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A

ABFS_DNS_PREFIX - Static variable in class org.apache.hadoop.fs.azurebfs.constants.FileSystemUriSchemes
 
ABFS_SCHEME - Static variable in class org.apache.hadoop.fs.azurebfs.constants.FileSystemUriSchemes
 
ABFS_SECURE_SCHEME - Static variable in class org.apache.hadoop.fs.azurebfs.constants.FileSystemUriSchemes
 
AbfsDriverException - Exception in org.apache.hadoop.fs.azurebfs.contracts.exceptions
如果发生任何运行时异常,则抛出此异常。
AbfsDriverException(Exception) - Constructor for exception org.apache.hadoop.fs.azurebfs.contracts.exceptions.AbfsDriverException
 
AbfsDriverException(Exception, String) - Constructor for exception org.apache.hadoop.fs.azurebfs.contracts.exceptions.AbfsDriverException
 
AbfsErrors - Class in org.apache.hadoop.fs.azurebfs.services
ABFS错误常量。
AbfsHttpConstants - Class in org.apache.hadoop.fs.azurebfs.constants
负责将所有在abfs rest客户端中使用的常量键值维护在此处。
AbfsInvalidChecksumException - Exception in org.apache.hadoop.fs.azurebfs.contracts.exceptions
用于封装客户端无效校验和验证的异常。
AbfsInvalidChecksumException(AbfsRestOperationException) - Constructor for exception org.apache.hadoop.fs.azurebfs.contracts.exceptions.AbfsInvalidChecksumException
 
AbfsInvalidChecksumException(String) - Constructor for exception org.apache.hadoop.fs.azurebfs.contracts.exceptions.AbfsInvalidChecksumException
 
AbfsRestOperationException - Exception in org.apache.hadoop.fs.azurebfs.contracts.exceptions
用于封装Azure服务错误响应的异常。
AbfsRestOperationException(int, String, String, Exception) - Constructor for exception org.apache.hadoop.fs.azurebfs.contracts.exceptions.AbfsRestOperationException
 
AbfsRestOperationException(int, String, String, Exception, AbfsHttpOperation) - Constructor for exception org.apache.hadoop.fs.azurebfs.contracts.exceptions.AbfsRestOperationException
 
AbfsRestOperationException(AzureADAuthenticator.HttpException) - Constructor for exception org.apache.hadoop.fs.azurebfs.contracts.exceptions.AbfsRestOperationException
 
abort() - Method in interface org.apache.hadoop.fs.Abortable
中止当前操作而不显示输出结果。
abort() - Method in class org.apache.hadoop.fs.FSDataOutputStream
Invoke abort() on the wrapped stream if it is Abortable, otherwise raise an UnsupportedOperationException.
abort(UploadHandle, Path) - Method in interface org.apache.hadoop.fs.MultipartUploader
中止一个多部分上传。
可中止的 - Interface in org.apache.hadoop.fs
中止正在写入流的数据,这样close()就不会写入数据。
ABORTABLE_STREAM - Static variable in interface org.apache.hadoop.fs.StreamCapabilities
Stream abort() capability implemented by Abortable.abort().
ABORTED - Static variable in class org.apache.hadoop.yarn.api.records.ContainerExitStatus
由框架终止的容器,可能是由于应用程序释放或节点故障等原因导致容器“丢失”。
abortJob(JobContext, int) - Method in class org.apache.hadoop.mapred.FileOutputCommitter
 
abortJob(JobContext, int) - Method in class org.apache.hadoop.mapred.OutputCommitter
用于中止一个失败作业的输出。
abortJob(JobContext, JobStatus.State) - Method in class org.apache.hadoop.mapred.OutputCommitter
该方法通过调用旧方法实现了新接口。
abortJob(JobContext, JobStatus.State) - Method in class org.apache.hadoop.mapreduce.lib.output.BindingPathOutputCommitter
 
abortJob(JobContext, JobStatus.State) - Method in class org.apache.hadoop.mapreduce.lib.output.committer.manifest.ManifestCommitter
中止作业。
abortJob(JobContext, JobStatus.State) - Method in class org.apache.hadoop.mapreduce.lib.output.FileOutputCommitter
删除临时目录,包括所有工作目录。
abortJob(JobContext, JobStatus.State) - Method in class org.apache.hadoop.mapreduce.OutputCommitter
用于中止一个失败作业的输出。
abortTask(TaskAttemptContext) - Method in class org.apache.hadoop.fs.s3a.commit.magic.MagicS3GuardCommitter
中止一个任务。
abortTask(TaskAttemptContext) - Method in class org.apache.hadoop.mapred.FileOutputCommitter
 
abortTask(TaskAttemptContext) - Method in class org.apache.hadoop.mapred.OutputCommitter
丢弃任务输出。
abortTask(TaskAttemptContext) - Method in class org.apache.hadoop.mapred.OutputCommitter
该方法通过调用旧方法实现了新接口。
abortTask(TaskAttemptContext) - Method in class org.apache.hadoop.mapreduce.lib.output.BindingPathOutputCommitter
 
abortTask(TaskAttemptContext) - Method in class org.apache.hadoop.mapreduce.lib.output.committer.manifest.ManifestCommitter
中止一个任务。
abortTask(TaskAttemptContext) - Method in class org.apache.hadoop.mapreduce.lib.output.FileOutputCommitter
删除工作目录
abortTask(TaskAttemptContext) - Method in class org.apache.hadoop.mapreduce.OutputCommitter
丢弃任务输出。
abortUploadsUnderPath(Path) - Method in interface org.apache.hadoop.fs.MultipartUploader
尽力尝试中止指定路径下的多部分上传。
AbstractCounters<C extends Counter,G extends CounterGroupBase<C>> - Class in org.apache.hadoop.mapreduce.counters
一个抽象类,为mapred和mapreduce包中的计数器容器提供通用实现。
AbstractCounters(CounterGroupFactory) - Constructor for class org.apache.hadoop.mapreduce.counters.AbstractCounters
 
AbstractCounters(AbstractCounters, CounterGroupFactory) - Constructor for class org.apache.hadoop.mapreduce.counters.AbstractCounters
从另一个计数器对象构造。
AbstractDelegationTokenIdentifier - Class in org.apache.hadoop.security.token.delegation
 
AbstractDelegationTokenIdentifier() - Constructor for class org.apache.hadoop.security.token.delegation.AbstractDelegationTokenIdentifier
 
AbstractDelegationTokenIdentifier(Text, Text, Text) - Constructor for class org.apache.hadoop.security.token.delegation.AbstractDelegationTokenIdentifier
 
AbstractDelegationTokenSecretManager<TokenIdent extends AbstractDelegationTokenIdentifier> - Class in org.apache.hadoop.security.token.delegation
 
AbstractDelegationTokenSecretManager(long, long, long, long) - Constructor for class org.apache.hadoop.security.token.delegation.AbstractDelegationTokenSecretManager
创建密钥管理器
AbstractDNSToSwitchMapping - Class in org.apache.hadoop.net
这是DNS到交换机映射的基类。
AbstractDNSToSwitchMapping() - Constructor for class org.apache.hadoop.net.AbstractDNSToSwitchMapping
创建一个未配置的实例
AbstractDNSToSwitchMapping(Configuration) - Constructor for class org.apache.hadoop.net.AbstractDNSToSwitchMapping
创建一个实例,缓存配置文件。
AbstractEvent<TYPE extends Enum<TYPE>> - Class in org.apache.hadoop.yarn.event
所有事件的父类。
AbstractEvent(TYPE) - Constructor for class org.apache.hadoop.yarn.event.AbstractEvent
 
AbstractEvent(TYPE, long) - Constructor for class org.apache.hadoop.yarn.event.AbstractEvent
 
AbstractFileSystem - Class in org.apache.hadoop.fs
该类为Hadoop文件系统的实现者提供了一个接口(类似于Unix的VFS)。
AbstractFileSystem(URI, String, boolean, int) - Constructor for class org.apache.hadoop.fs.AbstractFileSystem
供子类调用的构造函数。
AbstractFSBuilderImpl<S,B extends FSBuilder<S,B>> - Class in org.apache.hadoop.fs.impl
用于构建各种文件系统/文件上下文操作的生成器,支持选项配置。
AbstractFSBuilderImpl(Optional, Optional) - Constructor for class org.apache.hadoop.fs.impl.AbstractFSBuilderImpl
带有可选路径和路径句柄的构造函数。
AbstractFSBuilderImpl(Path) - Constructor for class org.apache.hadoop.fs.impl.AbstractFSBuilderImpl
 
AbstractFSBuilderImpl(PathHandle) - Constructor for class org.apache.hadoop.fs.impl.AbstractFSBuilderImpl
 
AbstractLaunchableService - Class in org.apache.hadoop.service.launcher
Subclass of AbstractService that provides basic implementations of the LaunchableService methods.
AbstractLaunchableService(String) - Constructor for class org.apache.hadoop.service.launcher.AbstractLaunchableService
使用给定的名称构造一个实例。
AbstractLivelinessMonitor<O> - Class in org.apache.hadoop.yarn.util
一个简单的活跃度监控器,客户端可以注册,信任该组件来监控活跃度,在到期时获得回调,最后取消注册。
AbstractLivelinessMonitor(String, Clock) - Constructor for class org.apache.hadoop.yarn.util.AbstractLivelinessMonitor
 
AbstractLivelinessMonitor(String) - Constructor for class org.apache.hadoop.yarn.util.AbstractLivelinessMonitor
 
AbstractMapWritable - Class in org.apache.hadoop.io
MapWritable和SortedMapWritable的抽象基类 与org.apache.nutch.crawl.MapWritable不同,该类允许创建 MapWritable,因此CLASS_TO_ID和ID_TO_CLASS 映射会随类一起传递,而不是静态存在。
AbstractMapWritable() - Constructor for class org.apache.hadoop.io.AbstractMapWritable
构造函数。
AbstractMetric - Class in org.apache.hadoop.metrics2
不可变的指标
AbstractMetric(MetricsInfo) - Constructor for class org.apache.hadoop.metrics2.AbstractMetric
构建指标
AbstractService - Class in org.apache.hadoop.service
这是服务的基础实现类。
AbstractService(String) - Constructor for class org.apache.hadoop.service.AbstractService
构建服务。
ACCEPT - Static variable in class org.apache.hadoop.fs.azurebfs.constants.HttpHeaderConfigurations
 
accept(Path) - Method in class org.apache.hadoop.fs.GlobFilter
 
accept(Path) - Method in interface org.apache.hadoop.fs.PathFilter
测试指定的抽象路径名是否应包含在路径名列表中。
accept(long) - Method in class org.apache.hadoop.hdfs.server.namenode.TreePath
 
accept(CompositeRecordReader.JoinCollector, K) - Method in interface org.apache.hadoop.mapred.join.ComposableRecordReader
当来自此RecordReader的键值对与给定键匹配时,将它们注册到提供的JoinCollector中。
accept(CompositeRecordReader.JoinCollector, K) - Method in class org.apache.hadoop.mapred.join.CompositeRecordReader
如果提供的键与该复合键匹配,则向JoinCollector提供可能发出的值的迭代器。
accept(CompositeRecordReader.JoinCollector, K) - Method in class org.apache.hadoop.mapred.join.WrappedRecordReader
在由该RecordReader占据的位置向收集器添加一个迭代器,用于遍历此流中的值与提供的键配对(即注册一个来自此源的与键K匹配的值流到收集器)。
accept(Path) - Method in class org.apache.hadoop.mapred.OutputLogFilter
 
accept(CompositeRecordReader.JoinCollector, K) - Method in class org.apache.hadoop.mapreduce.lib.join.CompositeRecordReader
如果提供的键与该复合键匹配,则向JoinCollector提供可能发出的值的迭代器。
accept(CompositeRecordReader.JoinCollector, K) - Method in class org.apache.hadoop.mapreduce.lib.join.WrappedRecordReader
在由该RecordReader占据的位置向收集器添加一个迭代器,用于遍历此流中的值与提供的键配对(即注册一个来自此源的与键K匹配的值流到收集器)。
ACCEPT_CHARSET - Static variable in class org.apache.hadoop.fs.azurebfs.constants.HttpHeaderConfigurations
 
accepts(String) - Method in class org.apache.hadoop.metrics2.MetricsFilter
是否接受该名称
accepts(MetricsTag) - Method in class org.apache.hadoop.metrics2.MetricsFilter
是否接受该标签
accepts(Iterable) - Method in class org.apache.hadoop.metrics2.MetricsFilter
是否接受标签
accepts(MetricsRecord) - Method in class org.apache.hadoop.metrics2.MetricsFilter
是否接受该记录
access(Path, FsAction) - Method in class org.apache.hadoop.fs.adl.AdlFileSystem
检查用户是否可以访问路径。
access(Path, FsAction) - Method in class org.apache.hadoop.fs.azure.NativeAzureFileSystem
 
access(Path, FsAction, TracingContext) - Method in class org.apache.hadoop.fs.azurebfs.AzureBlobFileSystemStore
 
access(Path, FsAction) - Method in class org.apache.hadoop.fs.FilterFileSystem
 
access(Path, FsAction) - Method in class org.apache.hadoop.fs.viewfs.ViewFileSystem
 
access(Path, FsAction) - Method in class org.apache.hadoop.fs.viewfs.ViewFs
 
ACCESS_DENIED - Static variable in exception org.apache.hadoop.fs.s3a.impl.MultiObjectDeleteException
如果删除操作被拒绝访问,这是异常退出代码。
ACCESS_DENIED - Static variable in class org.apache.hadoop.yarn.api.records.timeline.TimelinePutResponse.TimelinePutError
如果用户被拒绝访问时间线数据,则返回此错误代码
ACCESS_GROUP - Static variable in class org.apache.hadoop.fs.azurebfs.constants.AbfsHttpConstants
 
ACCESS_KEY - Static variable in class org.apache.hadoop.fs.s3a.常量
 
ACCESS_MASK - Static variable in class org.apache.hadoop.fs.azurebfs.constants.AbfsHttpConstants
 
ACCESS_OTHER - Static variable in class org.apache.hadoop.fs.azurebfs.constants.AbfsHttpConstants
 
ACCESS_TOKEN - Static variable in class org.apache.hadoop.hdfs.web.oauth2.OAuth2Constants
 
ACCESS_USER - Static variable in class org.apache.hadoop.fs.azurebfs.constants.AbfsHttpConstants
 
AccessControlException - Exception in org.apache.hadoop.security
一个用于访问控制相关问题的异常类。
AccessControlException() - Constructor for exception org.apache.hadoop.security.AccessControlException
Default constructor is needed for unwrapping from RemoteException.
AccessControlException(String) - Constructor for exception org.apache.hadoop.security.AccessControlException
Constructs an AccessControlException with the specified detail message.
AccessControlException(Throwable) - Constructor for exception org.apache.hadoop.security.AccessControlException
Constructs a new exception with the specified cause and a detail message of (cause==null ? null : cause.toString()) (which typically contains the class and detail message of cause).
AccessControlList - Class in org.apache.hadoop.security.authorize
表示已配置访问控制列表的类。
AccessControlList() - Constructor for class org.apache.hadoop.security.authorize.AccessControlList
此构造函数的存在主要是为了让AccessControlList可写。
AccessControlList(String) - Constructor for class org.apache.hadoop.security.authorize.AccessControlList
根据相同的字符串表示构造一个新的ACL。
AccessControlList(String, String) - Constructor for class org.apache.hadoop.security.authorize.AccessControlList
从用户和组的字符串表示构建新的ACL 参数为逗号分隔的列表
AccessRequest - Class in org.apache.hadoop.yarn.security
该请求对象包含用于确定用户是否有权限访问目标实体的所有上下文信息。
AccessRequest(PrivilegedEntity, UserGroupInformation, AccessType, String, String, String, List) - Constructor for class org.apache.hadoop.yarn.security.AccessRequest
 
AccessTokenProvider - Class in org.apache.hadoop.hdfs.web.oauth2
提供一个OAuth2访问令牌,用于在WebHDFS中进行HTTP调用的身份验证。
AccessTokenProvider() - Constructor for class org.apache.hadoop.hdfs.web.oauth2.AccessTokenProvider
 
AccessTokenTimer - Class in org.apache.hadoop.hdfs.web.oauth2
访问令牌通常会过期。
AccessTokenTimer() - Constructor for class org.apache.hadoop.hdfs.web.oauth2.AccessTokenTimer
 
AccessTokenTimer(Timer) - Constructor for class org.apache.hadoop.hdfs.web.oauth2.AccessTokenTimer
 
accountProperty(String, String) - Static method in class org.apache.hadoop.fs.azurebfs.constants.ConfigurationKeys
 
AclEntry - Class in org.apache.hadoop.fs.permission
定义ACL中的单个条目。
AclEntryScope - Enum in org.apache.hadoop.fs.permission
指定ACL条目的范围或预期用途。
AclEntryType - Enum in org.apache.hadoop.fs.permission
指定ACL条目的类型。
aclSpecToString(List) - Static method in class org.apache.hadoop.fs.permission.AclEntry
将AclEntries列表转换为字符串 - 这是parseAclSpec的逆操作。
AclStatus - Class in org.apache.hadoop.fs.permission
一个AclStatus包含特定文件的ACL信息。
ACQUIRE_LEASE_ACTION - Static variable in class org.apache.hadoop.fs.azurebfs.constants.AbfsHttpConstants
 
acquireLease(Path) - Method in class org.apache.hadoop.fs.azure.NativeAzureFileSystem
获取指定文件的自动续租租约。
ACTION_EXECUTOR_ACQUIRED - Static variable in class org.apache.hadoop.fs.statistics.StoreStatisticNames
如果在构造函数中传入了一个持续时间跟踪器工厂,则为执行器获取所收集的统计量名称。
ACTION_FILE_OPENED - Static variable in class org.apache.hadoop.fs.statistics.StoreStatisticNames
已打开文件:"action_file_opened"。
ACTION_HTTP_DELETE_REQUEST - Static variable in class org.apache.hadoop.fs.statistics.StoreStatisticNames
发起了一个HTTP DELETE请求:"action_http_delete_request"。
ACTION_HTTP_GET_REQUEST - Static variable in class org.apache.hadoop.fs.statistics.StoreStatisticNames
发起了一个HTTP GET请求:"action_http_get_request"。
ACTION_HTTP_HEAD_REQUEST - Static variable in class org.apache.hadoop.fs.statistics.StoreStatisticNames
发起了一个HTTP HEAD请求:"action_http_head_request"。
ACTION_HTTP_PATCH_REQUEST - Static variable in class org.apache.hadoop.fs.statistics.StoreStatisticNames
发起了一个HTTP PATCH请求:"action_http_patch_request"。
ACTION_HTTP_POST_REQUEST - Static variable in class org.apache.hadoop.fs.statistics.StoreStatisticNames
发起了一个HTTP POST请求:"action_http_post_request"。
ACTION_HTTP_PUT_REQUEST - Static variable in class org.apache.hadoop.fs.statistics.StoreStatisticNames
发起了一个HTTP PUT请求:"action_http_put_request"。
actionBuild(Service) - Method in class org.apache.hadoop.yarn.service.client.ServiceClient
 
actionCancelUpgrade(String) - Method in class org.apache.hadoop.yarn.client.api.AppAdminClient
取消服务的升级。
actionCancelUpgrade(String) - Method in class org.apache.hadoop.yarn.service.client.ServiceClient
 
actionCleanUp(String, String) - Method in class org.apache.hadoop.yarn.client.api.AppAdminClient
在应用程序完成后由RM执行的操作。
actionCleanUp(String, String) - Method in class org.apache.hadoop.yarn.service.client.ServiceClient
 
actionCreate(Service) - Method in class org.apache.hadoop.yarn.service.client.ServiceClient
 
actionDecommissionInstances(String, List) - Method in class org.apache.hadoop.yarn.client.api.AppAdminClient
停用长期运行服务的组件实例。
actionDecommissionInstances(String, List) - Method in class org.apache.hadoop.yarn.service.client.ServiceClient
 
actionDependency(String, boolean) - Method in class org.apache.hadoop.yarn.service.client.ServiceClient
 
actionDestroy(String) - Method in class org.apache.hadoop.yarn.client.api.AppAdminClient
移除YARN应用程序的规范及所有应用数据。
actionDestroy(String) - Method in class org.apache.hadoop.yarn.service.client.ServiceClient
 
actionFlex(String, Map) - Method in class org.apache.hadoop.yarn.client.api.AppAdminClient
更改YARN应用程序/长期运行服务组件的运行容器数量。
actionFlex(String, Map) - Method in class org.apache.hadoop.yarn.service.client.ServiceClient
 
actionLaunch(String, String, Long, String) - Method in class org.apache.hadoop.yarn.client.api.AppAdminClient
启动一个新的YARN应用程序。
actionLaunch(String, String, Long, String) - Method in class org.apache.hadoop.yarn.service.client.ServiceClient
 
actionSave(String, String, Long, String) - Method in class org.apache.hadoop.yarn.client.api.AppAdminClient
保存YARN应用程序/长期运行服务的规范。
actionSave(String, String, Long, String) - Method in class org.apache.hadoop.yarn.service.client.ServiceClient
 
actionStart(String) - Method in class org.apache.hadoop.yarn.client.api.AppAdminClient
从之前保存的规范启动一个YARN应用程序。
actionStart(String) - Method in class org.apache.hadoop.yarn.service.client.ServiceClient
 
actionStartAndGetId(String) - Method in class org.apache.hadoop.yarn.service.client.ServiceClient
 
actionStop(String) - Method in class org.apache.hadoop.yarn.client.api.AppAdminClient
停止一个YARN应用程序(在强制终止前尝试优雅停止)。
actionStop(String) - Method in class org.apache.hadoop.yarn.service.client.ServiceClient
 
actionStop(String, boolean) - Method in class org.apache.hadoop.yarn.service.client.ServiceClient
 
actionUpgrade(Service, List) - Method in class org.apache.hadoop.yarn.service.client.ServiceClient
 
actionUpgradeComponents(String, List) - Method in class org.apache.hadoop.yarn.client.api.AppAdminClient
升级长期运行服务的组件。
actionUpgradeComponents(String, List) - Method in class org.apache.hadoop.yarn.service.client.ServiceClient
 
actionUpgradeExpress(String, File) - Method in class org.apache.hadoop.yarn.client.api.AppAdminClient
快速升级长期运行的服务。
actionUpgradeExpress(String, File) - Method in class org.apache.hadoop.yarn.service.client.ServiceClient
 
actionUpgradeExpress(Service) - Method in class org.apache.hadoop.yarn.service.client.ServiceClient
 
actionUpgradeInstances(String, List) - Method in class org.apache.hadoop.yarn.client.api.AppAdminClient
升级长期运行服务的组件实例。
actionUpgradeInstances(String, List) - Method in class org.apache.hadoop.yarn.service.client.ServiceClient
 
activateOptions() - Method in class org.apache.hadoop.yarn.ContainerLogAppender
 
activateOptions() - Method in class org.apache.hadoop.yarn.ContainerRollingLogAppender
 
add(MeanStatistic) - Method in class org.apache.hadoop.fs.statistics.MeanStatistic
添加另一个MeanStatistic。
add(E) - Method in class org.apache.hadoop.io.EnumSetWritable
 
add(InputSplit) - Method in class org.apache.hadoop.mapred.join.CompositeInputSplit
向此集合添加一个InputSplit。
add(ComposableRecordReader) - Method in class org.apache.hadoop.mapred.join.CompositeRecordReader
向此集合添加一个RecordReader。
add(X) - Method in class org.apache.hadoop.mapreduce.lib.join.ArrayListBackedIterator
 
add(InputSplit) - Method in class org.apache.hadoop.mapreduce.lib.join.CompositeInputSplit
向此集合添加一个InputSplit。
add(ComposableRecordReader) - Method in class org.apache.hadoop.mapreduce.lib.join.CompositeRecordReader
向此集合添加一个RecordReader。
add(T) - Method in interface org.apache.hadoop.mapreduce.lib.join.ResetableIterator
向要遍历的元素集合中添加一个元素。
add(X) - Method in class org.apache.hadoop.mapreduce.lib.join.StreamBackedIterator
 
add(String, long) - Method in class org.apache.hadoop.metrics2.lib.MetricsRegistry
按名称向统计指标添加样本。
add(long) - Method in class org.apache.hadoop.metrics2.lib.MutableQuantiles
 
add(String, long) - Method in class org.apache.hadoop.metrics2.lib.MutableRates
为速率指标添加速率样本
add(String, long) - Method in class org.apache.hadoop.metrics2.lib.MutableRatesWithAggregation
为速率指标添加速率样本。
add(String, long) - Method in class org.apache.hadoop.metrics2.lib.MutableRollingAverages
 
add(long, long) - Method in class org.apache.hadoop.metrics2.lib.MutableStat
向运行统计中添加若干样本及其总和 请注意,虽然使用此方法可以保持准确的均值, 但由于方差计算仅采用单步Welford方法,当numSamples取值较大时可能导致方差值不准确。
add(long) - Method in class org.apache.hadoop.metrics2.lib.MutableStat
向指标添加一个快照。
add(MetricsTag) - Method in class org.apache.hadoop.metrics2.MetricsJsonBuilder
 
add(AbstractMetric) - Method in class org.apache.hadoop.metrics2.MetricsJsonBuilder
 
add(MetricsTag) - Method in class org.apache.hadoop.metrics2.MetricsRecordBuilder
添加一个不可变的指标标签对象
add(AbstractMetric) - Method in class org.apache.hadoop.metrics2.MetricsRecordBuilder
添加一个预制的不可变指标对象
add(MetricsInfo, Object) - Method in class org.apache.hadoop.metrics2.MetricStringBuilder
 
add(MetricsTag) - Method in class org.apache.hadoop.metrics2.MetricStringBuilder
 
add(AbstractMetric) - Method in class org.apache.hadoop.metrics2.MetricStringBuilder
 
add(Key) - Method in class org.apache.hadoop.util.bloom.BloomFilter
 
add(Key) - Method in class org.apache.hadoop.util.bloom.CountingBloomFilter
 
add(Key) - Method in class org.apache.hadoop.util.bloom.DynamicBloomFilter
 
add(Key) - Method in class org.apache.hadoop.util.bloom.RetouchedBloomFilter
 
addAll(Credentials) - Method in class org.apache.hadoop.security.Credentials
将一个凭证对象中的所有凭证复制到另一个凭证对象中。
addAMEnv() - Method in class org.apache.hadoop.yarn.service.client.ServiceClient
 
addArchiveToClassPath(Path) - Method in class org.apache.hadoop.mapreduce.Job
向当前类路径条目集合中添加一个归档路径。
addArchiveToClassPath(Path, Configuration, FileSystem) - Static method in class org.apache.hadoop.mapreduce.Job
向当前类路径条目集合中添加一个归档路径。
addArchiveToSharedCache(URI, Configuration) - Static method in class org.apache.hadoop.mapreduce.Job
向作业配置添加一个归档文件,用于共享缓存处理。
addAuxiliaryListener(int) - Method in class org.apache.hadoop.ipc.Server
 
addCacheArchive(URI) - Method in class org.apache.hadoop.mapreduce.Job
添加需要本地化的归档文件
addCacheArchive(URI, Configuration) - Static method in class org.apache.hadoop.mapreduce.Job
向配置中添加需要本地化的归档文件。
addCacheDirective(CacheDirectiveInfo, EnumSet) - Method in class org.apache.hadoop.hdfs.client.HdfsAdmin
添加一个新的CacheDirectiveInfo。
addCacheFile(URI) - Method in class org.apache.hadoop.mapreduce.Job
添加要本地化的文件
addCacheFile(URI, Configuration) - Static method in class org.apache.hadoop.mapreduce.Job
向配置中添加一个需要本地化的文件。
addCachePool(CachePoolInfo) - Method in class org.apache.hadoop.hdfs.client.HdfsAdmin
添加一个缓存池。
addChild(TimelineEntity.Identifier) - Method in class org.apache.hadoop.yarn.api.records.timelineservice.HierarchicalTimelineEntity
 
addChild(String, String) - Method in class org.apache.hadoop.yarn.api.records.timelineservice.HierarchicalTimelineEntity
 
addChildren(Set) - Method in class org.apache.hadoop.yarn.api.records.timelineservice.HierarchicalTimelineEntity
 
addComponent(Component) - Method in class org.apache.hadoop.yarn.service.api.records.Service
 
addConfig(String, String) - Method in class org.apache.hadoop.yarn.api.records.timelineservice.TimelineEntity
 
addConfigs(Map) - Method in class org.apache.hadoop.yarn.api.records.timelineservice.TimelineEntity
 
addContainer(Container) - Method in class org.apache.hadoop.yarn.service.api.records.组件
 
addContainer(Container) - Method in class org.apache.hadoop.yarn.service.api.records.ComponentContainers
添加一个容器。
addContainerRequest(T) - Method in class org.apache.hadoop.yarn.client.api.AMRMClient
Request containers for resources before calling allocate
addContainerRequest(T) - Method in class org.apache.hadoop.yarn.client.api.async.AMRMClientAsync
Request containers for resources before calling allocate
addCounter(Counters.Counter) - Method in class org.apache.hadoop.mapred.Counters.Group
 
addCounter(String, String, long) - Method in class org.apache.hadoop.mapred.Counters.Group
 
addCounter(T) - Method in interface org.apache.hadoop.mapreduce.counters.CounterGroupBase
向该组添加一个计数器。
addCounter(String, String, long) - Method in interface org.apache.hadoop.mapreduce.counters.CounterGroupBase
向此组添加计数器
addCounter(MetricsInfo, int) - Method in class org.apache.hadoop.metrics2.MetricsJsonBuilder
 
addCounter(MetricsInfo, long) - Method in class org.apache.hadoop.metrics2.MetricsJsonBuilder
 
addCounter(MetricsInfo, int) - Method in class org.apache.hadoop.metrics2.MetricsRecordBuilder
添加一个整数指标
addCounter(MetricsInfo, long) - Method in class org.apache.hadoop.metrics2.MetricsRecordBuilder
添加一个长整型指标
addCounter(MetricsInfo, int) - Method in class org.apache.hadoop.metrics2.MetricStringBuilder
 
addCounter(MetricsInfo, long) - Method in class org.apache.hadoop.metrics2.MetricStringBuilder
 
addCredentials(Credentials) - Method in class org.apache.hadoop.security.UserGroupInformation
将给定的凭据添加到此用户。
addDecommissionedInstance(String) - Method in class org.apache.hadoop.yarn.service.api.records.组件
 
addDefaultResource(String) - Static method in class org.apache.hadoop.conf.配置
添加默认资源。
addDefaults() - Method in class org.apache.hadoop.mapred.join.CompositeInputFormat
向解析器添加默认的标识符集合。
addDefaults() - Method in class org.apache.hadoop.mapreduce.lib.join.CompositeInputFormat
向解析器添加默认的标识符集合。
addDependingJob(Job) - Method in class org.apache.hadoop.mapred.jobcontrol.Job
向此作业的依赖列表中添加一个作业。
addDependingJob(ControlledJob) - Method in class org.apache.hadoop.mapreduce.lib.jobcontrol.ControlledJob
向该作业的依赖列表中添加一个作业。
addDeprecatedKeys() - Static method in class org.apache.hadoop.fs.adl.AdlConfKeys
 
addDeprecation(String, String[], String) - Static method in class org.apache.hadoop.conf.配置
addDeprecation(String, String, String) - Static method in class org.apache.hadoop.conf.配置
将已弃用的键添加到全局弃用映射中。
addDeprecation(String, String[]) - Static method in class org.apache.hadoop.conf.配置
addDeprecation(String, String) - Static method in class org.apache.hadoop.conf.配置
当未提供自定义消息时,将已弃用的键添加到全局弃用映射中。
addDeprecations(Configuration.DeprecationDelta[]) - Static method in class org.apache.hadoop.conf.配置
向全局弃用列表添加一组已弃用的键。
addDomain(TimelineDomain) - Method in class org.apache.hadoop.yarn.api.records.timeline.TimelineDomains
将单个域添加到现有域列表中
addDomains(List) - Method in class org.apache.hadoop.yarn.api.records.timeline.TimelineDomains
将所有域名列表添加到现有域名列表中
addEntities(List) - Method in class org.apache.hadoop.yarn.api.records.timeline.TimelineEntities
将所有实体列表合并到现有实体列表中
addEntities(List) - Method in class org.apache.hadoop.yarn.api.records.timelineservice.TimelineEntities
 
addEntity(TimelineEntity) - Method in class org.apache.hadoop.yarn.api.records.timeline.TimelineEntities
将单个实体添加到现有实体列表中
addEntity(TimelineEntity) - Method in class org.apache.hadoop.yarn.api.records.timelineservice.TimelineEntities
 
addErasureCodingPolicies(ErasureCodingPolicy[]) - Method in class org.apache.hadoop.hdfs.client.HdfsAdmin
向HDFS添加擦除编码策略。
addError(TimelinePutResponse.TimelinePutError) - Method in class org.apache.hadoop.yarn.api.records.timeline.TimelinePutResponse
Add a single TimelinePutResponse.TimelinePutError instance into the existing list
addError(TimelineWriteResponse.TimelineWriteError) - Method in class org.apache.hadoop.yarn.api.records.timelineservice.TimelineWriteResponse
Add a single TimelineWriteResponse.TimelineWriteError instance into the existing list.
addErrors(List) - Method in class org.apache.hadoop.yarn.api.records.timeline.TimelinePutResponse
Add a list of TimelinePutResponse.TimelinePutError instances into the existing list
addErrors(List) - Method in class org.apache.hadoop.yarn.api.records.timelineservice.TimelineWriteResponse
Add a list of TimelineWriteResponse.TimelineWriteError instances into the existing list.
addEvent(TimelineEvent) - Method in class org.apache.hadoop.yarn.api.records.timeline.TimelineEntity
向现有事件列表中添加与实体相关的单个事件
addEvent(TimelineEvents.EventsOfOneEntity) - Method in class org.apache.hadoop.yarn.api.records.timeline.TimelineEvents
Add a single TimelineEvents.EventsOfOneEntity instance into the existing list
addEvent(TimelineEvent) - Method in class org.apache.hadoop.yarn.api.records.timeline.TimelineEvents.EventsOfOneEntity
向现有事件列表中添加单个事件
addEvent(TimelineEvent) - Method in class org.apache.hadoop.yarn.api.records.timelineservice.TimelineEntity
 
addEventInfo(String, Object) - Method in class org.apache.hadoop.yarn.api.records.timeline.TimelineEvent
将事件的一条信息添加到现有的信息映射中
addEventInfo(Map) - Method in class org.apache.hadoop.yarn.api.records.timeline.TimelineEvent
将事件信息映射添加到现有信息映射中
addEvents(List) - Method in class org.apache.hadoop.yarn.api.records.timeline.TimelineEntity
将与该实体相关的事件列表添加到现有事件列表中
addEvents(List) - Method in class org.apache.hadoop.yarn.api.records.timeline.TimelineEvents
Add a list of TimelineEvents.EventsOfOneEntity instances into the existing list
addEvents(List) - Method in class org.apache.hadoop.yarn.api.records.timeline.TimelineEvents.EventsOfOneEntity
向现有事件列表中添加一系列事件
addEvents(Set) - Method in class org.apache.hadoop.yarn.api.records.timelineservice.TimelineEntity
 
addExternalEndpoint(Endpoint) - Method in class org.apache.hadoop.registry.client.types.ServiceRecord
添加外部端点
addFalsePositive(Key) - Method in class org.apache.hadoop.util.bloom.RetouchedBloomFilter
Adds a false positive information to this retouched Bloom filter.
addFalsePositive(Collection) - Method in class org.apache.hadoop.util.bloom.RetouchedBloomFilter
Adds a collection of false positive information to this retouched Bloom filter.
addFalsePositive(List) - Method in class org.apache.hadoop.util.bloom.RetouchedBloomFilter
Adds a list of false positive information to this retouched Bloom filter.
addFalsePositive(Key[]) - Method in class org.apache.hadoop.util.bloom.RetouchedBloomFilter
Adds an array of false positive information to this retouched Bloom filter.
addFencingParameters(Map) - Method in class org.apache.hadoop.ha.HAServiceTarget
钩子允许子类添加它们希望暴露给隔离实现/脚本的任何参数。
addFileToClassPath(Path) - Method in class org.apache.hadoop.mapreduce.Job
向当前类路径条目集合中添加一个文件路径。它还会将该文件添加到缓存中。
addFileToClassPath(Path, Configuration, FileSystem) - Static method in class org.apache.hadoop.mapreduce.Job
向当前类路径条目集合中添加一个文件路径。
addFileToClassPath(Path, Configuration, FileSystem, boolean) - Static method in class org.apache.hadoop.mapreduce.Job
向当前类路径条目集合中添加一个文件路径。
addFileToSharedCache(URI, Configuration) - Static method in class org.apache.hadoop.mapreduce.Job
向作业配置添加文件以进行共享缓存处理。
addFileToSharedCacheAndClasspath(URI, Configuration) - Static method in class org.apache.hadoop.mapreduce.Job
向作业配置添加文件以进行共享缓存处理。
addFlowRun(FlowRunEntity) - Method in class org.apache.hadoop.yarn.api.records.timelineservice.FlowActivityEntity
 
addFlowRuns(Collection) - Method in class org.apache.hadoop.yarn.api.records.timelineservice.FlowActivityEntity
 
addGauge(MetricsInfo, int) - Method in class org.apache.hadoop.metrics2.MetricsJsonBuilder
 
addGauge(MetricsInfo, long) - Method in class org.apache.hadoop.metrics2.MetricsJsonBuilder
 
addGauge(MetricsInfo, float) - Method in class org.apache.hadoop.metrics2.MetricsJsonBuilder
 
addGauge(MetricsInfo, double) - Method in class org.apache.hadoop.metrics2.MetricsJsonBuilder
 
addGauge(MetricsInfo, int) - Method in class org.apache.hadoop.metrics2.MetricsRecordBuilder
添加一个整数计量指标
addGauge(MetricsInfo, long) - Method in class org.apache.hadoop.metrics2.MetricsRecordBuilder
添加一个长型计量指标
addGauge(MetricsInfo, float) - Method in class org.apache.hadoop.metrics2.MetricsRecordBuilder
添加一个浮点型计量指标
addGauge(MetricsInfo, double) - Method in class org.apache.hadoop.metrics2.MetricsRecordBuilder
添加一个双计量器指标
addGauge(MetricsInfo, int) - Method in class org.apache.hadoop.metrics2.MetricStringBuilder
 
addGauge(MetricsInfo, long) - Method in class org.apache.hadoop.metrics2.MetricStringBuilder
 
addGauge(MetricsInfo, float) - Method in class org.apache.hadoop.metrics2.MetricStringBuilder
 
addGauge(MetricsInfo, double) - Method in class org.apache.hadoop.metrics2.MetricStringBuilder
 
addGroup(String) - Method in class org.apache.hadoop.hdfs.server.namenode.FsUGIResolver
 
addGroup(String) - Method in class org.apache.hadoop.hdfs.server.namenode.SingleUGIResolver
 
addGroup(String) - Method in class org.apache.hadoop.hdfs.server.namenode.UGIResolver
 
addGroup(String, int) - Method in class org.apache.hadoop.hdfs.server.namenode.UGIResolver
 
addGroup(String) - Method in class org.apache.hadoop.security.authorize.AccessControlList
将组名添加到允许使用此服务的组列表中。
addIdentifier(String, Class[], Class, Class) - Static method in class org.apache.hadoop.mapred.join.Parser.Node
对于给定的标识符,向解析树的节点类型和待创建的ComposableRecordReader添加映射,包括调用构造函数所需的形参。
addIdentifier(String, Class[], Class, Class) - Static method in class org.apache.hadoop.mapreduce.lib.join.Parser.Node
对于给定的标识符,向解析树的节点类型和待创建的ComposableRecordReader添加映射,包括调用构造函数所需的形参。
addIfService(Object) - Method in class org.apache.hadoop.service.CompositeService
If the passed object is an instance of Service, add it to the list of services managed by this CompositeService
addInfo(Map) - Method in class org.apache.hadoop.yarn.api.records.timelineservice.TimelineEntity
 
addInfo(String, Object) - Method in class org.apache.hadoop.yarn.api.records.timelineservice.TimelineEntity
 
addInfo(Map) - Method in class org.apache.hadoop.yarn.api.records.timelineservice.TimelineEvent
 
addInfo(String, Object) - Method in class org.apache.hadoop.yarn.api.records.timelineservice.TimelineEvent
 
AddingCompositeService - Class in org.apache.hadoop.registry.server.services
导出添加/删除方法的组合服务。
AddingCompositeService(String) - Constructor for class org.apache.hadoop.registry.server.services.AddingCompositeService
 
addInputPath(JobConf, Path) - Static method in class org.apache.hadoop.mapred.FileInputFormat
Add a Path to the list of inputs for the map-reduce job.
addInputPath(JobConf, Path, Class) - Static method in class org.apache.hadoop.mapred.lib.MultipleInputs
Add a Path with a custom InputFormat to the list of inputs for the map-reduce job.
addInputPath(JobConf, Path, Class, Class) - Static method in class org.apache.hadoop.mapred.lib.MultipleInputs
Add a Path with a custom InputFormat and Mapper to the list of inputs for the map-reduce job.
addInputPath(Job, Path) - Static method in class org.apache.hadoop.mapreduce.lib.input.FileInputFormat
Add a Path to the list of inputs for the map-reduce job.
addInputPath(Job, Path, Class) - Static method in class org.apache.hadoop.mapreduce.lib.input.MultipleInputs
Add a Path with a custom InputFormat to the list of inputs for the map-reduce job.
addInputPath(Job, Path, Class, Class) - Static method in class org.apache.hadoop.mapreduce.lib.input.MultipleInputs
Add a Path with a custom InputFormat and Mapper to the list of inputs for the map-reduce job.
addInputPathRecursively(List, FileSystem, Path, PathFilter) - Method in class org.apache.hadoop.mapred.FileInputFormat
递归地将输入路径中的文件添加到结果中。
addInputPathRecursively(List, FileSystem, Path, PathFilter) - Method in class org.apache.hadoop.mapreduce.lib.input.FileInputFormat
递归地将输入路径中的文件添加到结果中。
addInputPaths(JobConf, String) - Static method in class org.apache.hadoop.mapred.FileInputFormat
将给定的逗号分隔路径添加到map-reduce作业的输入列表中。
addInputPaths(Job, String) - Static method in class org.apache.hadoop.mapreduce.lib.input.FileInputFormat
将给定的逗号分隔路径添加到map-reduce作业的输入列表中。
addInternalEndpoint(Endpoint) - Method in class org.apache.hadoop.registry.client.types.ServiceRecord
添加内部端点
addIsRelatedToEntities(Map>) - Method in class org.apache.hadoop.yarn.api.records.timelineservice.TimelineEntity
 
addIsRelatedToEntity(String, String) - Method in class org.apache.hadoop.yarn.api.records.timelineservice.TimelineEntity
 
addJarResource(String, Map) - Method in class org.apache.hadoop.yarn.service.client.ServiceClient
 
addJob(ControlledJob) - Method in class org.apache.hadoop.mapreduce.lib.jobcontrol.JobControl
添加一个新的受控作业。
addJob(Job) - Method in class org.apache.hadoop.mapreduce.lib.jobcontrol.JobControl
添加一个新任务。
addJobCollection(Collection) - Method in class org.apache.hadoop.mapreduce.lib.jobcontrol.JobControl
添加一组作业
addJobs(Collection) - Method in class org.apache.hadoop.mapred.jobcontrol.JobControl
添加一组作业
addKey(DelegationKey) - Method in class org.apache.hadoop.security.token.delegation.AbstractDelegationTokenSecretManager
将之前使用过的主密钥添加到缓存中(当NN重启时),应在activate()之前调用。
addLocalArchives(Configuration, String) - Static method in class org.apache.hadoop.filecache.DistributedCache
Deprecated.
addLocalFiles(Configuration, String) - Static method in class org.apache.hadoop.filecache.DistributedCache
Deprecated.
addMapper(JobConf, Class>, Class, Class, Class, Class, boolean, JobConf) - Static method in class org.apache.hadoop.mapred.lib.ChainMapper
向链式作业的JobConf添加一个Mapper类。
addMapper(JobConf, Class>, Class, Class, Class, Class, boolean, JobConf) - Static method in class org.apache.hadoop.mapred.lib.ChainReducer
向链式作业的JobConf添加一个Mapper类。
addMapper(Job, Class, Class, Class, Class, Class, Configuration) - Static method in class org.apache.hadoop.mapreduce.lib.chain.ChainMapper
Adds a Mapper class to the chain mapper.
addMapper(Job, Class, Class, Class, Class, Class, Configuration) - Static method in class org.apache.hadoop.mapreduce.lib.chain.ChainReducer
Adds a Mapper class to the chain reducer.
addMetric(TimelineMetric) - Method in class org.apache.hadoop.yarn.api.records.timelineservice.TimelineEntity
 
addMetrics(Set) - Method in class org.apache.hadoop.yarn.api.records.timelineservice.TimelineEntity
 
addMetrics(EventTypeMetrics, Class) - Method in class org.apache.hadoop.yarn.event.AsyncDispatcher
 
addMultiNamedOutput(JobConf, String, Class, Class, Class) - Static method in class org.apache.hadoop.mapred.lib.MultipleOutputs
为作业添加一个多命名输出。
addNamedOutput(JobConf, String, Class, Class, Class) - Static method in class org.apache.hadoop.mapred.lib.MultipleOutputs
为作业添加一个命名输出。
addNamedOutput(Job, String, Class, Class, Class) - Static method in class org.apache.hadoop.mapreduce.lib.output.MultipleOutputs
为作业添加一个命名输出。
addNextValue(Object) - Method in class org.apache.hadoop.mapreduce.lib.aggregate.DoubleValueSum
向聚合器添加一个值
addNextValue(double) - Method in class org.apache.hadoop.mapreduce.lib.aggregate.DoubleValueSum
向聚合器添加一个值
addNextValue(Object) - Method in class org.apache.hadoop.mapreduce.lib.aggregate.LongValueMax
向聚合器添加一个值
addNextValue(long) - Method in class org.apache.hadoop.mapreduce.lib.aggregate.LongValueMax
向聚合器添加一个值
addNextValue(Object) - Method in class org.apache.hadoop.mapreduce.lib.aggregate.LongValueMin
向聚合器添加一个值
addNextValue(long) - Method in class org.apache.hadoop.mapreduce.lib.aggregate.LongValueMin
向聚合器添加一个值
addNextValue(Object) - Method in class org.apache.hadoop.mapreduce.lib.aggregate.LongValueSum
向聚合器添加一个值
addNextValue(long) - Method in class org.apache.hadoop.mapreduce.lib.aggregate.LongValueSum
向聚合器添加一个值
addNextValue(Object) - Method in class org.apache.hadoop.mapreduce.lib.aggregate.StringValueMax
向聚合器添加一个值
addNextValue(Object) - Method in class org.apache.hadoop.mapreduce.lib.aggregate.StringValueMin
向聚合器添加一个值
addNextValue(Object) - Method in class org.apache.hadoop.mapreduce.lib.aggregate.UniqValueCount
向聚合器添加一个值
addNextValue(Object) - Method in interface org.apache.hadoop.mapreduce.lib.aggregate.ValueAggregator
向聚合器添加一个值
addNextValue(Object) - Method in class org.apache.hadoop.mapreduce.lib.aggregate.ValueHistogram
将给定值添加到聚合器。
addOtherInfo(String, Object) - Method in class org.apache.hadoop.yarn.api.records.timeline.TimelineEntity
向现有的其他信息映射中添加实体的另一条其他信息
addOtherInfo(Map) - Method in class org.apache.hadoop.yarn.api.records.timeline.TimelineEntity
将实体的其他信息映射添加到现有的其他信息映射中
addPersistedDelegationToken(TokenIdent, long) - Method in class org.apache.hadoop.security.token.delegation.AbstractDelegationTokenSecretManager
此方法旨在用于恢复持久化的委托令牌。
addPrimaryFilter(String, Object) - Method in class org.apache.hadoop.yarn.api.records.timeline.TimelineEntity
向现有的主过滤器映射中添加单个主过滤器
addPrimaryFilters(Map>) - Method in class org.apache.hadoop.yarn.api.records.timeline.TimelineEntity
将主过滤器映射添加到现有的主过滤器映射中
addQuantileInfo(int, MetricsInfo) - Method in class org.apache.hadoop.metrics2.lib.MutableQuantiles
向quantileInfos数组添加条目。
addRecord(String) - Method in interface org.apache.hadoop.metrics2.MetricsCollector
添加一条指标记录
addRecord(MetricsInfo) - Method in interface org.apache.hadoop.metrics2.MetricsCollector
添加一条指标记录
addRelatedEntities(Map>) - Method in class org.apache.hadoop.yarn.api.records.timeline.TimelineEntity
将相关实体的映射添加到现有的相关实体映射中
addRelatedEntity(String, String) - Method in class org.apache.hadoop.yarn.api.records.timeline.TimelineEntity
向现有的关联实体映射中添加一个实体
addRelatesToEntities(Map>) - Method in class org.apache.hadoop.yarn.api.records.timelineservice.TimelineEntity
 
addRelatesToEntity(String, String) - Method in class org.apache.hadoop.yarn.api.records.timelineservice.TimelineEntity
 
addResource(String) - Method in class org.apache.hadoop.conf.配置
添加一个配置资源。
addResource(String, boolean) - Method in class org.apache.hadoop.conf.配置
 
addResource(URL) - Method in class org.apache.hadoop.conf.配置
添加一个配置资源。
addResource(URL, boolean) - Method in class org.apache.hadoop.conf.配置
 
addResource(Path) - Method in class org.apache.hadoop.conf.配置
添加一个配置资源。
addResource(Path, boolean) - Method in class org.apache.hadoop.conf.配置
 
addResource(InputStream) - Method in class org.apache.hadoop.conf.配置
添加配置资源。
addResource(InputStream, boolean) - Method in class org.apache.hadoop.conf.配置
 
addResource(InputStream, String) - Method in class org.apache.hadoop.conf.配置
添加一个配置资源。
addResource(InputStream, String, boolean) - Method in class org.apache.hadoop.conf.配置
 
addResource(Configuration) - Method in class org.apache.hadoop.conf.配置
添加一个配置资源。
ADDRESS_HOSTNAME_AND_PORT - Static variable in interface org.apache.hadoop.registry.client.types.AddressTypes
主机名/完全限定域名与端口对:"主机/端口"。
ADDRESS_HOSTNAME_FIELD - Static variable in interface org.apache.hadoop.registry.client.types.AddressTypes
 
ADDRESS_OTHER - Static variable in interface org.apache.hadoop.registry.client.types.AddressTypes
其他任何地址: "".
ADDRESS_PATH - Static variable in interface org.apache.hadoop.registry.client.types.AddressTypes
Path /a/b/c style: "path".
ADDRESS_PORT_FIELD - Static variable in interface org.apache.hadoop.registry.client.types.AddressTypes
 
ADDRESS_URI - Static variable in interface org.apache.hadoop.registry.client.types.AddressTypes
URI条目: "uri".
ADDRESS_ZOOKEEPER - Static variable in interface org.apache.hadoop.registry.client.types.AddressTypes
Zookeeper地址以三元组形式表示:"zktriple"。
addresses - Variable in class org.apache.hadoop.registry.client.types.Endpoint
地址元组列表 —— 元组的格式取决于地址类型
addressType - Variable in class org.apache.hadoop.registry.client.types.Endpoint
地址类型。
AddressTypes - Interface in org.apache.hadoop.registry.client.types
地址类型的枚举 - 以整数形式表示。
addSample(long) - Method in class org.apache.hadoop.fs.statistics.MeanStatistic
添加一个示例。
addSchedulingRequests(Collection) - Method in class org.apache.hadoop.yarn.client.api.AMRMClient
添加一组调度请求。
addSchedulingRequests(Collection) - Method in class org.apache.hadoop.yarn.client.api.async.AMRMClientAsync
添加一组调度请求。
addSecretKey(Text, byte[]) - Method in class org.apache.hadoop.security.Credentials
设置别名的键。
addService(Service) - Method in class org.apache.hadoop.registry.server.services.AddingCompositeService
 
addService(Service) - Method in class org.apache.hadoop.service.CompositeService
Add the passed Service to the list of services managed by this CompositeService
addShutdownHook(Runnable, int) - Method in class org.apache.hadoop.util.ShutdownHookManager
添加一个带优先级的shutdownHook,优先级越高则越早运行。
addShutdownHook(Runnable, int, long, TimeUnit) - Method in class org.apache.hadoop.util.ShutdownHookManager
添加一个带有优先级和超时的shutdownHook,优先级越高,运行越早。
addSuppressedLoggingExceptions(Class...) - Method in class org.apache.hadoop.ipc.Server
添加服务器完全不会记录的异常类。
addTags(Properties) - Method in class org.apache.hadoop.conf.配置
添加在HADOOP_TAGS_SYSTEM和HADOOP_TAGS_CUSTOM中定义的标签。
addTerseExceptions(Class...) - Method in class org.apache.hadoop.ipc.Server
添加服务器不会记录堆栈跟踪的异常类。
addTo(int, int, float) - Method in class org.apache.hadoop.yarn.api.records.ResourceUtilization
将利用率添加到当前值。
addTo(int, int, float, String, float) - Method in class org.apache.hadoop.yarn.api.records.ResourceUtilization
将利用率添加到当前值。
addToken(Text, Token) - Method in class org.apache.hadoop.security.Credentials
在存储中(内存中)添加一个令牌。
addToken(Token) - Method in class org.apache.hadoop.security.UserGroupInformation
向此UGI添加令牌
addToken(Text, Token) - Method in class org.apache.hadoop.security.UserGroupInformation
向此UGI添加一个命名令牌
addTokenForOwnerStats(TokenIdent) - Method in class org.apache.hadoop.security.token.delegation.AbstractDelegationTokenSecretManager
将令牌统计信息添加到所有者到令牌计数的映射中。
addTokenIdentifier(TokenIdentifier) - Method in class org.apache.hadoop.security.UserGroupInformation
向此UGI添加一个TokenIdentifier。
addToMap(Class) - Method in class org.apache.hadoop.io.AbstractMapWritable
如果类尚未存在,则将其添加到映射中。
addTransition(STATE, STATE, EVENTTYPE) - Method in class org.apache.hadoop.yarn.state.StateMachineFactory
 
addTransition(STATE, STATE, Set) - Method in class org.apache.hadoop.yarn.state.StateMachineFactory
 
addTransition(STATE, STATE, Set, SingleArcTransition) - Method in class org.apache.hadoop.yarn.state.StateMachineFactory
 
addTransition(STATE, STATE, EVENTTYPE, SingleArcTransition) - Method in class org.apache.hadoop.yarn.state.StateMachineFactory
 
addTransition(STATE, Set, EVENTTYPE, MultipleArcTransition) - Method in class org.apache.hadoop.yarn.state.StateMachineFactory
 
addUser(String) - Method in class org.apache.hadoop.hdfs.server.namenode.FsUGIResolver
 
addUser(String) - Method in class org.apache.hadoop.hdfs.server.namenode.SingleUGIResolver
 
addUser(String) - Method in class org.apache.hadoop.hdfs.server.namenode.UGIResolver
 
addUser(String, int) - Method in class org.apache.hadoop.hdfs.server.namenode.UGIResolver
 
addUser(String) - Method in class org.apache.hadoop.security.authorize.AccessControlList
将用户添加到此服务允许的用户名单中。
addValue(long, Number) - Method in class org.apache.hadoop.yarn.api.records.timelineservice.TimelineMetric
 
addValues(Map) - Method in class org.apache.hadoop.yarn.api.records.timelineservice.TimelineMetric
 
addWriteAccessor(String, String) - Method in interface org.apache.hadoop.registry.client.api.RegistryOperations
添加一个新的写入访问条目,该条目将被添加到安全注册表连接的会话的所有未来写入操作中的节点权限中。
Adl - Class in org.apache.hadoop.fs.adl
公开adl://协议以访问ADL文件系统。
ADL_HTTP_TIMEOUT - Static variable in class org.apache.hadoop.fs.adl.AdlConfKeys
 
ADL_SSL_CHANNEL_MODE - Static variable in class org.apache.hadoop.fs.adl.AdlConfKeys
 
AdlConfKeys - Class in org.apache.hadoop.fs.adl
常量。
AdlFileSystem - Class in org.apache.hadoop.fs.adl
一个用于访问Azure Data Lake Store的文件系统。
AdlFileSystem() - Constructor for class org.apache.hadoop.fs.adl.AdlFileSystem
 
AdminSecurityInfo - Class in org.apache.hadoop.yarn.security.admin
 
AdminSecurityInfo() - Constructor for class org.apache.hadoop.yarn.security.admin.AdminSecurityInfo
 
aggregate(IOStatistics) - Method in interface org.apache.hadoop.fs.statistics.IOStatisticsAggregator
将提供的统计数据聚合到当前集合中。
aggregate(IOStatistics) - Method in class org.apache.hadoop.fs.statistics.IOStatisticsSnapshot
将当前统计数据与传入的源引用进行聚合。
AggregatedLogFormat - Class in org.apache.hadoop.yarn.logaggregation
 
AggregatedLogFormat() - Constructor for class org.apache.hadoop.yarn.logaggregation.AggregatedLogFormat
 
AggregatedLogFormat.LogKey - Class in org.apache.hadoop.yarn.logaggregation
 
AggregatedLogFormat.LogReader - Class in org.apache.hadoop.yarn.logaggregation
 
aggregatedLogSuffix(String) - Method in class org.apache.hadoop.yarn.logaggregation.filecontroller.LogAggregationFileController
创建聚合日志后缀。
aggregateTo(TimelineMetric, TimelineMetric) - Static method in class org.apache.hadoop.yarn.api.records.timelineservice.TimelineMetric
以无状态方式将传入指标与给定的操作状态聚合到基础聚合指标中。
aggregateTo(TimelineMetric, TimelineMetric, Map) - Static method in class org.apache.hadoop.yarn.api.records.timelineservice.TimelineMetric
将传入的指标与给定的操作状态聚合到基础聚合指标中。
aggregatorDescriptorList - Variable in class org.apache.hadoop.mapred.lib.aggregate.ValueAggregatorJobBase
 
aggregatorDescriptorList - Static variable in class org.apache.hadoop.mapreduce.lib.aggregate.ValueAggregatorJobBase
 
AHSClient - Class in org.apache.hadoop.yarn.client.api
 
AHSClient(String) - Constructor for class org.apache.hadoop.yarn.client.api.AHSClient
 
AHSProxy<T> - Class in org.apache.hadoop.yarn.client
 
AHSProxy() - Constructor for class org.apache.hadoop.yarn.client.AHSProxy
 
allFinished() - Method in class org.apache.hadoop.mapreduce.lib.jobcontrol.JobControl
 
allKeys - Variable in class org.apache.hadoop.security.token.delegation.AbstractDelegationTokenSecretManager
访问allKeys受此对象锁保护
allocate(AllocateRequest) - Method in interface org.apache.hadoop.yarn.api.ApplicationMasterProtocol
The main interface between an ApplicationMaster and the ResourceManager.
allocate(float) - Method in class org.apache.hadoop.yarn.client.api.AMRMClient
请求额外的容器并接收新的容器分配。
AllocateRequest - Class in org.apache.hadoop.yarn.api.protocolrecords
The core request sent by the ApplicationMaster to the ResourceManager to obtain resources in the cluster.
AllocateRequest() - Constructor for class org.apache.hadoop.yarn.api.protocolrecords.AllocateRequest
 
AllocateRequest.AllocateRequestBuilder - Class in org.apache.hadoop.yarn.api.protocolrecords
Class to construct instances of AllocateRequest with specific options.
AllocateResponse - Class in org.apache.hadoop.yarn.api.protocolrecords
The response sent by the ResourceManager the ApplicationMaster during resource negotiation.
AllocateResponse() - Constructor for class org.apache.hadoop.yarn.api.protocolrecords.AllocateResponse
 
allocationRequestId(long) - Method in class org.apache.hadoop.yarn.api.records.ResourceRequest.ResourceRequestBuilder
Set the allocationRequestId of the request.
allocationRequestId(long) - Method in class org.apache.hadoop.yarn.api.records.SchedulingRequest.SchedulingRequestBuilder
Set the allocationRequestId of the request.
allocationTags(Set) - Method in class org.apache.hadoop.yarn.api.records.SchedulingRequest.SchedulingRequestBuilder
Set the allocationTags of the request.
ALLOW_REQUESTER_PAYS - Static variable in class org.apache.hadoop.fs.s3a.常量
S3请求者付费功能的配置选项:"fs.s3a.requester.pays.enabled"。
allowAppend - Variable in class org.apache.hadoop.metrics2.sink.RollingFileSystemSink
 
allowSameDiskTiering(StorageType) - Static method in enum org.apache.hadoop.fs.StorageType
 
allowSnapshot(Path) - Method in class org.apache.hadoop.hdfs.client.HdfsAdmin
允许对目录进行快照。
AM_ALLOW_NON_EXCLUSIVE_ALLOCATION - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
AM_DEFAULT_NODE_LABEL - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
AM_SCHEDULING_NODE_BLACKLISTING_DISABLE_THRESHOLD - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
AM_SCHEDULING_NODE_BLACKLISTING_ENABLED - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
AMCommand - Enum in org.apache.hadoop.yarn.api.records
Resource Manager发送给Application Master的命令,位于AllocateResponse中
AMRM_PROXY_ADDRESS - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
AMRM_PROXY_CLIENT_THREAD_COUNT - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
AMRM_PROXY_ENABLED - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
控制是否启用AMRMProxy的设置。
AMRM_PROXY_HA_ENABLED - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
AMRM_PROXY_INTERCEPTOR_CLASS_PIPELINE - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
AMRM_PROXY_WAIT_UAM_REGISTER_DONE - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
AMRMClient<T extends org.apache.hadoop.yarn.client.api.AMRMClient.ContainerRequest> - Class in org.apache.hadoop.yarn.client.api
 
AMRMClient(String) - Constructor for class org.apache.hadoop.yarn.client.api.AMRMClient
 
AMRMClientAsync<T extends org.apache.hadoop.yarn.client.api.AMRMClient.ContainerRequest> - Class in org.apache.hadoop.yarn.client.api.async
AMRMClientAsync handles communication with the ResourceManager and provides asynchronous updates on events such as container allocations and completions.
AMRMClientAsync(int, AMRMClientAsync.AbstractCallbackHandler) - Constructor for class org.apache.hadoop.yarn.client.api.async.AMRMClientAsync
 
AMRMClientAsync(AMRMClient, int, AMRMClientAsync.AbstractCallbackHandler) - Constructor for class org.apache.hadoop.yarn.client.api.async.AMRMClientAsync
 
AMRMClientAsync(int, AMRMClientAsync.CallbackHandler) - Constructor for class org.apache.hadoop.yarn.client.api.async.AMRMClientAsync
Deprecated.
AMRMClientAsync(AMRMClient, int, AMRMClientAsync.CallbackHandler) - Constructor for class org.apache.hadoop.yarn.client.api.async.AMRMClientAsync
Deprecated.
AMRMTokenIdentifier - Class in org.apache.hadoop.yarn.security
AMRMTokenIdentifier是ApplicationMasters用于向ResourceManager进行身份验证的TokenIdentifier。
AMRMTokenIdentifier() - Constructor for class org.apache.hadoop.yarn.security.AMRMTokenIdentifier
 
AMRMTokenIdentifier(ApplicationAttemptId, int) - Constructor for class org.apache.hadoop.yarn.security.AMRMTokenIdentifier
 
AMRMTokenSelector - Class in org.apache.hadoop.yarn.security
 
AMRMTokenSelector() - Constructor for class org.apache.hadoop.yarn.security.AMRMTokenSelector
 
and(FsAction) - Method in enum org.apache.hadoop.fs.permission.FsAction
AND 操作。
and(Filter) - Method in class org.apache.hadoop.util.bloom.BloomFilter
 
and(Filter) - Method in class org.apache.hadoop.util.bloom.CountingBloomFilter
 
and(Filter) - Method in class org.apache.hadoop.util.bloom.DynamicBloomFilter
 
and(PlacementConstraint.AbstractConstraint...) - Static method in class org.apache.hadoop.yarn.api.resource.PlacementConstraints
约束条件的联合。
AND_MARK - Static variable in class org.apache.hadoop.fs.azurebfs.constants.AbfsHttpConstants
 
ANY - Static variable in class org.apache.hadoop.yarn.api.records.ResourceRequest
表示无本地性的常量字符串。
APACHE_IMPL - Static variable in class org.apache.hadoop.fs.azurebfs.constants.AbfsHttpConstants
 
api - Variable in class org.apache.hadoop.registry.client.types.Endpoint
API在绑定结束时实现
APN_VERSION - Static variable in class org.apache.hadoop.fs.azurebfs.constants.AbfsHttpConstants
 
APP_ATTEMPT_DIAGNOSTICS_LIMIT_KC - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
APP_DIR_PERMISSIONS - Static variable in class org.apache.hadoop.yarn.logaggregation.filecontroller.LogAggregationFileController
应用程序目录的权限。
APP_FINAL_VALUE_RETENTION_THRESHOLD - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
该设置项用于控制在合并到流程总和之前,已完成应用程序的指标最终值保留的时长。
APP_LOG_FILE_UMASK - Static variable in class org.apache.hadoop.yarn.logaggregation.filecontroller.LogAggregationFileController
日志文件的Umask权限。
APP_NAME_PLACEMENT_RULE - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
APP_SUBMIT_TIME_ENV - Static variable in interface org.apache.hadoop.yarn.api.ApplicationConstants
APP_SUBMIT_TIME的环境变量。
AppAdminClient - Class in org.apache.hadoop.yarn.client.api
用于管理应用程序的客户端。
AppAdminClient() - Constructor for class org.apache.hadoop.yarn.client.api.AppAdminClient
 
appAttemptID - Variable in class org.apache.hadoop.yarn.applications.distributedshell.ApplicationMaster
 
appAttemptIdStrPrefix - Static variable in class org.apache.hadoop.yarn.api.records.ApplicationAttemptId
 
append(Path, int, Progressable) - Method in class org.apache.hadoop.fs.adl.AdlFileSystem
追加到现有文件(可选操作)。
append(Path, int, Progressable) - Method in class org.apache.hadoop.fs.azure.NativeAzureFileSystem
此可选操作目前尚不支持。
append(Path, int, Progressable) - Method in class org.apache.hadoop.fs.ChecksumFileSystem
 
append(Path) - Method in class org.apache.hadoop.fs.FileSystem
追加到现有文件(可选操作)。
append(Path, int) - Method in class org.apache.hadoop.fs.FileSystem
追加到现有文件(可选操作)。
append(Path, int, Progressable) - Method in class org.apache.hadoop.fs.FileSystem
追加到现有文件(可选操作)。
append(Path, boolean) - Method in class org.apache.hadoop.fs.FileSystem
追加到现有文件(可选操作)。
append(Path, int, Progressable, boolean) - Method in class org.apache.hadoop.fs.FileSystem
追加到现有文件(可选操作)。
append(Path, int, Progressable) - Method in class org.apache.hadoop.fs.FilterFileSystem
 
append() - Method in class org.apache.hadoop.fs.FSDataOutputStreamBuilder
追加到现有文件(可选操作)。
append(Path, int, Progressable) - Method in class org.apache.hadoop.fs.ftp.FTPFileSystem
此可选操作目前尚未支持。
append() - Method in class org.apache.hadoop.fs.impl.MultipartUploaderBuilderImpl
追加到现有文件(可选操作)。
append(Path, int, Progressable) - Method in class org.apache.hadoop.fs.RawLocalFileSystem
 
append(Path, int, Progressable) - Method in class org.apache.hadoop.fs.s3native.NativeS3FileSystem
Deprecated.
 
append(Path, int, Progressable) - Method in class org.apache.hadoop.fs.viewfs.ViewFileSystem
 
append(byte[], int, int) - Method in class org.apache.hadoop.io.Text
将一段字节范围追加到给定文本的末尾。
append(byte[], int, int) - Method in class org.apache.hadoop.record.Buffer
Deprecated.
将指定的字节追加到缓冲区。
append(byte[]) - Method in class org.apache.hadoop.record.Buffer
Deprecated.
将指定字节追加到缓冲区
append(LoggingEvent) - Method in class org.apache.hadoop.yarn.ContainerLogAppender
 
append(CharSequence) - Method in class org.apache.hadoop.yarn.util.BoundedAppender
Append a CharSequence considering BoundedAppender.limit, truncating from the head of csq or BoundedAppender.messages when necessary.
APPEND_ACTION - Static variable in class org.apache.hadoop.fs.azurebfs.constants.AbfsHttpConstants
 
APPEND_BLOB_TYPE - Static variable in class org.apache.hadoop.fs.azurebfs.constants.AbfsHttpConstants
 
APPEND_SUPPORT_ENABLE_PROPERTY_NAME - Static variable in class org.apache.hadoop.fs.azure.NativeAzureFileSystem
 
APPENDBLOB_MAX_WRITE_BUFFER_SIZE - Static variable in class org.apache.hadoop.fs.azurebfs.constants.FileSystemConfigurations
 
appendFile(Path) - Method in class org.apache.hadoop.fs.ChecksumFileSystem
这里被重写以确保最终会调用该类的create()方法。
appendFile(Path) - Method in class org.apache.hadoop.fs.FileSystem
创建一个Builder来追加文件。
appendFile(Path) - Method in class org.apache.hadoop.fs.FilterFileSystem
 
appendScriptExtension(File, String) - Static method in class org.apache.hadoop.util.Shell
返回一个引用指定父目录下具有给定基本名称的脚本的File对象。
appendScriptExtension(String) - Static method in class org.apache.hadoop.util.Shell
返回具有给定基名的脚本文件名。
appendTo(StringBuilder) - Method in class org.apache.hadoop.mapreduce.JobID
将"job"前缀后的内容添加到给定的构建器中。
appendTo(StringBuilder) - Method in class org.apache.hadoop.mapreduce.TaskAttemptID
向StringBuilder添加唯一字符串
appendTo(StringBuilder) - Method in class org.apache.hadoop.mapreduce.TaskID
将唯一字符串添加到给定的构建器中。
appendToConf(Configuration) - Method in class org.apache.hadoop.tools.DistCpOptions
向配置中添加选项。
appIdStrPrefix - Static variable in class org.apache.hadoop.yarn.api.records.ApplicationId
 
APPLICATION_ATTEMPT_PREFIX - Static variable in class org.apache.hadoop.yarn.util.ConverterUtils
 
APPLICATION_HISTORY_ENABLED - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
控制是否启用应用程序历史服务的设置。
APPLICATION_HISTORY_MAX_APPS - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
定义可通过REST API或应用程序历史协议获取并在时间轴服务器Web界面中显示的最大应用程序数量。
APPLICATION_HISTORY_PREFIX - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
APPLICATION_HISTORY_SAVE_NON_AM_CONTAINER_META_INFO - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
在应用程序历史存储中保存容器元信息。
APPLICATION_HISTORY_STORE - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
应用程序历史存储类
APPLICATION_JSON - Static variable in class org.apache.hadoop.fs.azurebfs.constants.AbfsHttpConstants
 
APPLICATION_OCTET_STREAM - Static variable in class org.apache.hadoop.fs.azurebfs.constants.AbfsHttpConstants
 
APPLICATION_PLACEMENT_TYPE_CLASS - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
配置默认应用程序放置分配器。
APPLICATION_PREFIX - Static variable in class org.apache.hadoop.yarn.util.ConverterUtils
 
APPLICATION_TAG_BASED_PLACEMENT_ENABLED - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
APPLICATION_TAG_BASED_PLACEMENT_USER_WHITELIST - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
APPLICATION_TAG_FORCE_LOWERCASE_CONVERSION - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
APPLICATION_TYPE_LENGTH - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
默认应用类型长度
APPLICATION_WEB_PROXY_BASE_ENV - Static variable in interface org.apache.hadoop.yarn.api.ApplicationConstants
APPLICATION_WEB_PROXY_BASE的环境变量。
ApplicationAccessType - Enum in org.apache.hadoop.yarn.api.records
应用程序访问类型。
ApplicationAttemptEntity - Class in org.apache.hadoop.yarn.api.records.timelineservice
该实体表示一个应用程序尝试。
ApplicationAttemptEntity() - Constructor for class org.apache.hadoop.yarn.api.records.timelineservice.ApplicationAttemptEntity
 
ApplicationAttemptEntity(TimelineEntity) - Constructor for class org.apache.hadoop.yarn.api.records.timelineservice.ApplicationAttemptEntity
 
ApplicationAttemptId - Class in org.apache.hadoop.yarn.api.records
ApplicationAttemptId denotes the particular attempt of an ApplicationMaster for a given ApplicationId.
ApplicationAttemptId() - Constructor for class org.apache.hadoop.yarn.api.records.ApplicationAttemptId
 
ApplicationAttemptNotFoundException - Exception in org.apache.hadoop.yarn.exceptions
This exception is thrown on (GetApplicationAttemptReportRequest) API when the Application Attempt doesn't exist in Application History Server or ApplicationMasterProtocol.allocate(AllocateRequest) if application doesn't exist in RM.
ApplicationAttemptNotFoundException(Throwable) - Constructor for exception org.apache.hadoop.yarn.exceptions.ApplicationAttemptNotFoundException
 
ApplicationAttemptNotFoundException(String) - Constructor for exception org.apache.hadoop.yarn.exceptions.ApplicationAttemptNotFoundException
 
ApplicationAttemptNotFoundException(String, Throwable) - Constructor for exception org.apache.hadoop.yarn.exceptions.ApplicationAttemptNotFoundException
 
ApplicationAttemptReport - Class in org.apache.hadoop.yarn.api.records
ApplicationAttemptReport is a report of an application attempt.
ApplicationAttemptReport() - Constructor for class org.apache.hadoop.yarn.api.records.ApplicationAttemptReport
 
ApplicationClassLoader - Class in org.apache.hadoop.util
A URLClassLoader for application isolation.
ApplicationClassLoader(URL[], ClassLoader, List) - Constructor for class org.apache.hadoop.util.ApplicationClassLoader
 
ApplicationClassLoader(String, ClassLoader, List) - Constructor for class org.apache.hadoop.util.ApplicationClassLoader
 
ApplicationClassLoader - Class in org.apache.hadoop.yarn.util
Deprecated.
ApplicationClassLoader(URL[], ClassLoader, List) - Constructor for class org.apache.hadoop.yarn.util.ApplicationClassLoader
Deprecated.
 
ApplicationClassLoader(String, ClassLoader, List) - Constructor for class org.apache.hadoop.yarn.util.ApplicationClassLoader
Deprecated.
 
ApplicationClientProtocol - Interface in org.apache.hadoop.yarn.api
The protocol between clients and the ResourceManager to submit/abort jobs and to get information on applications, cluster metrics, nodes, queues and ACLs.
ApplicationConstants - Interface in org.apache.hadoop.yarn.api
这是为应用程序提供的API,包含YARN为应用程序和容器设置的常量。
ApplicationConstants.ContainerLaunchType - Enum in org.apache.hadoop.yarn.api
容器的启动类型。
ApplicationEntity - Class in org.apache.hadoop.yarn.api.records.timelineservice
该实体代表一个应用程序。
ApplicationEntity() - Constructor for class org.apache.hadoop.yarn.api.records.timelineservice.ApplicationEntity
 
ApplicationEntity(TimelineEntity) - Constructor for class org.apache.hadoop.yarn.api.records.timelineservice.ApplicationEntity
 
ApplicationHistoryProtocol - Interface in org.apache.hadoop.yarn.api
The protocol between clients and the ApplicationHistoryServer to get the information of completed applications etc.
ApplicationId - Class in org.apache.hadoop.yarn.api.records
ApplicationId represents the globally unique identifier for an application.
ApplicationId() - Constructor for class org.apache.hadoop.yarn.api.records.ApplicationId
 
ApplicationIdNotProvidedException - Exception in org.apache.hadoop.yarn.exceptions
Exception to be thrown when Client submit an application without providing ApplicationId in ApplicationSubmissionContext.
ApplicationIdNotProvidedException(Throwable) - Constructor for exception org.apache.hadoop.yarn.exceptions.ApplicationIdNotProvidedException
 
ApplicationIdNotProvidedException(String) - Constructor for exception org.apache.hadoop.yarn.exceptions.ApplicationIdNotProvidedException
 
ApplicationIdNotProvidedException(String, Throwable) - Constructor for exception org.apache.hadoop.yarn.exceptions.ApplicationIdNotProvidedException
 
ApplicationMaster - Class in org.apache.hadoop.tools.dynamometer
Dynamometer的ApplicationMaster。
ApplicationMaster() - Constructor for class org.apache.hadoop.tools.dynamometer.ApplicationMaster
 
ApplicationMaster - Class in org.apache.hadoop.yarn.applications.distributedshell
一个ApplicationMaster,用于在使用YARN框架启动的一组容器上执行shell命令。
ApplicationMaster() - Constructor for class org.apache.hadoop.yarn.applications.distributedshell.ApplicationMaster
 
ApplicationMasterProtocol - Interface in org.apache.hadoop.yarn.api
The protocol between a live instance of ApplicationMaster and the ResourceManager.
ApplicationNotFoundException - Exception in org.apache.hadoop.yarn.exceptions
This exception is thrown on (GetApplicationReportRequest) API when the Application doesn't exist in RM and AHS
ApplicationNotFoundException(Throwable) - Constructor for exception org.apache.hadoop.yarn.exceptions.ApplicationNotFoundException
 
ApplicationNotFoundException(String) - Constructor for exception org.apache.hadoop.yarn.exceptions.ApplicationNotFoundException
 
ApplicationNotFoundException(String, Throwable) - Constructor for exception org.apache.hadoop.yarn.exceptions.ApplicationNotFoundException
 
ApplicationReport - Class in org.apache.hadoop.yarn.api.records
ApplicationReport is a report of an application.
ApplicationReport() - Constructor for class org.apache.hadoop.yarn.api.records.ApplicationReport
 
ApplicationResourceUsageReport - Class in org.apache.hadoop.yarn.api.records
包含由用户界面和命令行界面报告的各种调度指标。
ApplicationResourceUsageReport() - Constructor for class org.apache.hadoop.yarn.api.records.ApplicationResourceUsageReport
 
ApplicationsRequestScope - Enum in org.apache.hadoop.yarn.api.protocolrecords
控制获取应用程序范围的枚举
ApplicationSubmissionContext - Class in org.apache.hadoop.yarn.api.records
ApplicationSubmissionContext represents all of the information needed by the ResourceManager to launch the ApplicationMaster for an application.
ApplicationSubmissionContext() - Constructor for class org.apache.hadoop.yarn.api.records.ApplicationSubmissionContext
 
ApplicationTimeout - Class in org.apache.hadoop.yarn.api.records
ApplicationTimeout is a report for configured application timeouts.
ApplicationTimeout() - Constructor for class org.apache.hadoop.yarn.api.records.ApplicationTimeout
 
ApplicationTimeoutType - Enum in org.apache.hadoop.yarn.api.records
应用程序超时类型。
applyToIOStatisticsSnapshot(Serializable, FunctionRaisingIOE) - Static method in class org.apache.hadoop.io.wrappedio.WrappedStatistics
对可能为IOStatisticsSnapshot的对象应用一个函数。
applyUMask(FsPermission, FsPermission) - Static method in class org.apache.hadoop.fs.permission.FsCreateModes
从未屏蔽模式及umask创建。
applyUMask(FsPermission) - Method in class org.apache.hadoop.fs.permission.FsPermission
对此权限应用umask并返回一个新的权限。
APPNAME_ARG - Static variable in class org.apache.hadoop.tools.dynamometer.Client
 
APPNAME_DEFAULT - Static variable in class org.apache.hadoop.tools.dynamometer.Client
 
approximateCount(Key) - Method in class org.apache.hadoop.util.bloom.CountingBloomFilter
该方法计算键的近似计数,即
APPS_CACHE_ENABLE - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
APPS_CACHE_EXPIRE - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
APPS_CACHE_SIZE - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
areSymlinksEnabled() - Static method in class org.apache.hadoop.fs.FileSystem
 
ArrayFile - Class in org.apache.hadoop.io
一个基于文件的密集映射,将整数映射到值。
ArrayFile() - Constructor for class org.apache.hadoop.io.ArrayFile
 
ArrayListBackedIterator<X extends Writable> - Class in org.apache.hadoop.mapred.join
该类提供了ResetableIterator的实现。
ArrayListBackedIterator() - Constructor for class org.apache.hadoop.mapred.join.ArrayListBackedIterator
 
ArrayListBackedIterator(ArrayList) - Constructor for class org.apache.hadoop.mapred.join.ArrayListBackedIterator
 
ArrayListBackedIterator<X extends Writable> - Class in org.apache.hadoop.mapreduce.lib.join
该类提供了ResetableIterator的实现。
ArrayListBackedIterator() - Constructor for class org.apache.hadoop.mapreduce.lib.join.ArrayListBackedIterator
 
ArrayListBackedIterator(ArrayList) - Constructor for class org.apache.hadoop.mapreduce.lib.join.ArrayListBackedIterator
 
ArrayPrimitiveWritable - Class in org.apache.hadoop.io
这是一个包装类。
ArrayPrimitiveWritable() - Constructor for class org.apache.hadoop.io.ArrayPrimitiveWritable
构造一个空实例,用于Writable读取期间
ArrayPrimitiveWritable(Class) - Constructor for class org.apache.hadoop.io.ArrayPrimitiveWritable
构造一个已知类型但尚未赋值的实例,用于特定类型的包装类。
ArrayPrimitiveWritable(Object) - Constructor for class org.apache.hadoop.io.ArrayPrimitiveWritable
封装一个现有的基本类型数组
ArrayWritable - Class in org.apache.hadoop.io
一个用于包含类实例数组的Writable。
ArrayWritable(Class) - Constructor for class org.apache.hadoop.io.ArrayWritable
 
ArrayWritable(Class, Writable[]) - Constructor for class org.apache.hadoop.io.ArrayWritable
 
ArrayWritable(String[]) - Constructor for class org.apache.hadoop.io.ArrayWritable
 
Artifact - Class in org.apache.hadoop.yarn.service.api.records
服务组件的工件。
Artifact() - Constructor for class org.apache.hadoop.yarn.service.api.records.Artifact
 
artifact(Artifact) - Method in class org.apache.hadoop.yarn.service.api.records.组件
组件的工件(可选)。
artifact(Artifact) - Method in class org.apache.hadoop.yarn.service.api.records.Container
用于此容器的工件。
artifact(Artifact) - Method in class org.apache.hadoop.yarn.service.api.records.ReadinessCheck
可插拔就绪检查辅助容器的工件(可选)。
artifact(Artifact) - Method in class org.apache.hadoop.yarn.service.api.records.Service
单组件服务的工件。
asDuration() - Method in class org.apache.hadoop.util.OperationDuration
获取操作的持续时间,作为java Duration实例。
askList(List) - Method in class org.apache.hadoop.yarn.api.protocolrecords.AllocateRequest.AllocateRequestBuilder
Set the askList of the request.
asList() - Static method in enum org.apache.hadoop.fs.StorageType
 
ASSUMED_ROLE_ARN - Static variable in class org.apache.hadoop.fs.s3a.常量
请求的AWS角色ARN: "fs.s3a.assumed.role.arn"。
ASSUMED_ROLE_CREDENTIALS_DEFAULT - Static variable in class org.apache.hadoop.fs.s3a.常量
 
ASSUMED_ROLE_CREDENTIALS_PROVIDER - Static variable in class org.apache.hadoop.fs.s3a.常量
用于假定角色认证的提供者列表:"fs.s3a.assumed.role.credentials.provider"。
ASSUMED_ROLE_EXTERNAL_ID - Static variable in class org.apache.hadoop.fs.s3a.常量
假设角色请求的外部ID:"fs.s3a.assumed.role.external.id"。
ASSUMED_ROLE_POLICY - Static variable in class org.apache.hadoop.fs.s3a.常量
包含要应用于角色的策略的JSON策略:"fs.s3a.assumed.role.policy"。
ASSUMED_ROLE_SESSION_DURATION - Static variable in class org.apache.hadoop.fs.s3a.常量
在尝试刷新之前,假定角色的持续时间。
ASSUMED_ROLE_SESSION_DURATION_DEFAULT - Static variable in class org.apache.hadoop.fs.s3a.常量
默认的假定角色持续时间:"1h"。
ASSUMED_ROLE_SESSION_NAME - Static variable in class org.apache.hadoop.fs.s3a.常量
假设角色的会话名称,必须符合AWS API的有效字符要求:"fs.s3a.assumed.role.session.name"。
ASSUMED_ROLE_STS_ENDPOINT - Static variable in class org.apache.hadoop.fs.s3a.常量
安全令牌服务端点: "fs.s3a.assumed.role.sts.endpoint".
ASSUMED_ROLE_STS_ENDPOINT_REGION - Static variable in class org.apache.hadoop.fs.s3a.常量
STS端点的区域;如果端点未设置为中央端点,则需要设置:"fs.s3a.assumed.role.sts.endpoint.region"。
ASSUMED_ROLE_STS_ENDPOINT_REGION_DEFAULT - Static variable in class org.apache.hadoop.fs.s3a.常量
STS终端节点区域的默认值;v4签名所需:""。
AssumedRoleCredentialProvider - Class in org.apache.hadoop.fs.s3a.auth
Support IAM Assumed roles by instantiating an instance of STSAssumeRoleSessionCredentialsProvider from configuration properties, including wiring up the inner authenticator, and, unless overridden, creating a session name from the current user.
AssumedRoleCredentialProvider(URI, Configuration) - Constructor for class org.apache.hadoop.fs.s3a.auth.AssumedRoleCredentialProvider
实例化。
ASYNC_DRAIN_THRESHOLD - Static variable in class org.apache.hadoop.fs.s3a.常量
当排空操作的开销与同步操作相比达到此阈值时,将切换为异步调度/等待模式。
AsyncDispatcher - Class in org.apache.hadoop.yarn.event
Dispatches Events in a separate thread.
AsyncDispatcher() - Constructor for class org.apache.hadoop.yarn.event.AsyncDispatcher
 
AsyncDispatcher(BlockingQueue) - Constructor for class org.apache.hadoop.yarn.event.AsyncDispatcher
 
AsyncDispatcher(String) - Constructor for class org.apache.hadoop.yarn.event.AsyncDispatcher
设置此调度器线程的名称。
AT - Static variable in class org.apache.hadoop.fs.azurebfs.constants.AbfsHttpConstants
 
ATS_APP_COLLECTOR_LINGER_PERIOD_IN_MS - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
ATTEMPT - Static variable in class org.apache.hadoop.mapreduce.TaskAttemptID
 
attemptCleanup() - Method in class org.apache.hadoop.tools.dynamometer.Client
尽力尝试清理任何剩余的应用程序(基础设施或工作负载)。
attributes(boolean, boolean, boolean, boolean) - Static method in class org.apache.hadoop.fs.FileStatus
将布尔属性转换为一组标志。
attributes() - Method in class org.apache.hadoop.registry.client.types.ServiceRecord
解析时设置的"其他"属性映射。
AUDITLOG - Static variable in class org.apache.hadoop.ipc.Server
 
AuditLogger - Interface in org.apache.hadoop.hdfs.server.namenode
定义审计日志记录器的接口。
AUTH_GROUP - Static variable in class org.apache.hadoop.fs.s3a.audit.S3LogParser
日志组"auth"。
AuthConfigurations - Class in org.apache.hadoop.fs.azurebfs.constants
负责维护所有与Azure Blob文件系统认证相关的配置。
authenticate(URL, AuthenticatedURL.Token) - Method in class org.apache.hadoop.security.token.delegation.web.DelegationTokenAuthenticator
 
AUTHORITATIVE_PATH - Static variable in class org.apache.hadoop.fs.s3a.常量
被视为"权威"的路径。
AUTHORIZATION - Static variable in class org.apache.hadoop.fs.azurebfs.constants.HttpHeaderConfigurations
 
AuthorizationException - Exception in org.apache.hadoop.security.authorize
一个用于处理授权相关问题的异常类。
AuthorizationException() - Constructor for exception org.apache.hadoop.security.authorize.AuthorizationException
 
AuthorizationException(String) - Constructor for exception org.apache.hadoop.security.authorize.AuthorizationException
 
AuthorizationException(Throwable) - Constructor for exception org.apache.hadoop.security.authorize.AuthorizationException
Constructs a new exception with the specified cause and a detail message of (cause==null ? null : cause.toString()) (which typically contains the class and detail message of cause).
authorize(UserGroupInformation, InetAddress) - Method in class org.apache.hadoop.security.authorize.DefaultImpersonationProvider
 
authorize(UserGroupInformation, String) - Method in interface org.apache.hadoop.security.authorize.ImpersonationProvider
授权执行doAs操作的管理员用户。
authorize(UserGroupInformation, InetAddress) - Method in interface org.apache.hadoop.security.authorize.ImpersonationProvider
授权执行doAs操作的管理员用户。
AUTO_FAILOVER_EMBEDDED - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
Deprecated.
This property should never be set to false.
AUTO_FAILOVER_ENABLED - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
AUTO_FAILOVER_PREFIX - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
AUTO_FAILOVER_ZK_BASE_PATH - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
AUTOMATICALLY_DISCOVER_GPU_DEVICES - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
available() - Method in class org.apache.hadoop.io.compress.DecompressorStream
 
AVRO_REFLECT_PACKAGES - Static variable in class org.apache.hadoop.io.serializer.avro.AvroReflectSerialization
配置包含需要使用此类进行序列化和反序列化的类的包的关键。
AVRO_SCHEMA_KEY - Static variable in class org.apache.hadoop.io.serializer.avro.AvroSerialization
 
AvroFSInput - Class in org.apache.hadoop.fs
Adapts an FSDataInputStream to Avro's SeekableInput interface.
AvroFSInput(FSDataInputStream, long) - Constructor for class org.apache.hadoop.fs.AvroFSInput
Construct given an FSDataInputStream and its length.
AvroFSInput(FileContext, Path) - Constructor for class org.apache.hadoop.fs.AvroFSInput
Construct given a FileContext and a Path.
AvroReflectSerializable - Interface in org.apache.hadoop.io.serializer.avro
Avro 'reflect'可序列化类的标记接口。
AvroReflectSerialization - Class in org.apache.hadoop.io.serializer.avro
Avro反射类的序列化。
AvroReflectSerialization() - Constructor for class org.apache.hadoop.io.serializer.avro.AvroReflectSerialization
 
AvroSerialization<T> - Class in org.apache.hadoop.io.serializer.avro
为Avro类型提供序列化的基类。
AvroSerialization() - Constructor for class org.apache.hadoop.io.serializer.avro.AvroSerialization
 
AvroSpecificSerialization - Class in org.apache.hadoop.io.serializer.avro
Avro特定类的序列化。
AvroSpecificSerialization() - Constructor for class org.apache.hadoop.io.serializer.avro.AvroSpecificSerialization
 
awaitAllFutures(Collection>) - Static method in class org.apache.hadoop.util.functional.FutureIO
评估一组future对象,并将它们的结果作为列表返回。
awaitAllFutures(Collection>, Duration) - Static method in class org.apache.hadoop.util.functional.FutureIO
评估一组future并将它们的结果作为列表返回,但每个future最多只等待指定的超时时间来完成。
awaitFuture(Future) - Static method in class org.apache.hadoop.util.functional.FutureIO
给定一个未来,对其进行评估。
awaitFuture(Future, long, TimeUnit) - Static method in class org.apache.hadoop.util.functional.FutureIO
给定一个未来,对其进行评估。
AWS_AUTH_CLASS_PREFIX - Static variable in class org.apache.hadoop.fs.s3a.常量
AWS SDK V1中认证类的前缀。
AWS_CREDENTIALS_PROVIDER - Static variable in class org.apache.hadoop.fs.s3a.常量
 
AWS_CREDENTIALS_PROVIDER_MAPPING - Static variable in class org.apache.hadoop.fs.s3a.常量
AWS凭证提供者与键/值对的映射关系。
AWS_LOG_REGEXP_GROUPS - Static variable in class org.apache.hadoop.fs.s3a.audit.S3LogParser
正则表达式组名的有序列表。
AWS_REGION - Static variable in class org.apache.hadoop.fs.s3a.常量
AWS S3存储桶的区域。
AWS_S3_ACCESSPOINT_REQUIRED - Static variable in class org.apache.hadoop.fs.s3a.常量
要求所有S3访问都必须通过接入点进行。
AWS_S3_CENTRAL_REGION - Static variable in class org.apache.hadoop.fs.s3a.常量
特殊的S3区域,可用于与任何存储桶通信。
AWS_S3_CLASSLOADER_ISOLATION - Static variable in class org.apache.hadoop.fs.s3a.常量
Are extensions classes, such as fs.s3a.aws.credentials.provider, going to be loaded from the same classloader that loaded the S3AFileSystem? It is useful to turn classloader isolation off for Apache Spark applications that might load S3AFileSystem from the Spark distribution (Launcher classloader) while users might want to provide custom extensions (loaded by Spark MutableClassloader).
AWS_S3_DEFAULT_REGION - Static variable in class org.apache.hadoop.fs.s3a.常量
使用跨区域客户端时的默认S3区域。
AWS_S3_VECTOR_ACTIVE_RANGE_READS - Static variable in class org.apache.hadoop.fs.s3a.常量
单个输入流可以同时进行(正在下载或排队中)的范围读取操作的最大数量,这些操作将进入中央文件系统实例的排队操作池。
AWS_S3_VECTOR_READS_MAX_MERGED_READ_SIZE - Static variable in class org.apache.hadoop.fs.s3a.常量
在向量化读取过程中,我们将范围分组合并时的最大合并读取大小是多少(以字节为单位)。
AWS_S3_VECTOR_READS_MIN_SEEK_SIZE - Static variable in class org.apache.hadoop.fs.s3a.常量
在向量化读取操作中,我们将范围分组的最小合理寻址字节数是多少。
AWS_SERVICE_IDENTIFIER_DDB - Static variable in class org.apache.hadoop.fs.s3a.常量
Deprecated.
AWS_SERVICE_IDENTIFIER_S3 - Static variable in class org.apache.hadoop.fs.s3a.常量
 
AWS_SERVICE_IDENTIFIER_STS - Static variable in class org.apache.hadoop.fs.s3a.常量
 
AWSERRORCODE_GROUP - Static variable in class org.apache.hadoop.fs.s3a.audit.S3LogParser
日志组 "awserrorcode"。
awsErrorDetails() - Method in exception org.apache.hadoop.fs.s3a.AWSServiceIOException
 
AWSS3IOException - Exception in org.apache.hadoop.fs.s3a
Wrap a S3Exception as an IOE, relaying all getters.
AWSS3IOException(String, S3Exception) - Constructor for exception org.apache.hadoop.fs.s3a.AWSS3IOException
实例化。
AWSServiceIOException - Exception in org.apache.hadoop.fs.s3a
AWS操作中的特定异常。
AWSServiceIOException(String, AwsServiceException) - Constructor for exception org.apache.hadoop.fs.s3a.AWSServiceIOException
实例化。
AZURE_ABFS_ENDPOINT - Static variable in class org.apache.hadoop.fs.azurebfs.constants.ConfigurationKeys
ABFS账户的终结点:"fs.azure.abfs.endpoint"。
AZURE_AD_ACCOUNT_PREFIX - Static variable in class org.apache.hadoop.fs.adl.AdlConfKeys
 
AZURE_AD_CLIENT_ID_KEY - Static variable in class org.apache.hadoop.fs.adl.AdlConfKeys
 
AZURE_AD_CLIENT_SECRET_KEY - Static variable in class org.apache.hadoop.fs.adl.AdlConfKeys
 
AZURE_AD_PREFIX - Static variable in class org.apache.hadoop.fs.adl.AdlConfKeys
 
AZURE_AD_REFRESH_TOKEN_KEY - Static variable in class org.apache.hadoop.fs.adl.AdlConfKeys
 
AZURE_AD_REFRESH_URL_KEY - Static variable in class org.apache.hadoop.fs.adl.AdlConfKeys
 
AZURE_AD_TOKEN_PROVIDER_CLASS_KEY - Static variable in class org.apache.hadoop.fs.adl.AdlConfKeys
 
AZURE_AD_TOKEN_PROVIDER_TYPE_DEFAULT - Static variable in class org.apache.hadoop.fs.adl.AdlConfKeys
 
AZURE_AD_TOKEN_PROVIDER_TYPE_KEY - Static variable in class org.apache.hadoop.fs.adl.AdlConfKeys
 
AZURE_BACKOFF_INTERVAL - Static variable in class org.apache.hadoop.fs.azurebfs.constants.ConfigurationKeys
 
AZURE_BLOCK_LOCATION_HOST_DEFAULT - Static variable in class org.apache.hadoop.fs.azurebfs.constants.FileSystemConfigurations
 
AZURE_BLOCK_LOCATION_HOST_PROPERTY_NAME - Static variable in class org.apache.hadoop.fs.azurebfs.constants.ConfigurationKeys
 
AZURE_BLOCK_SIZE_PROPERTY_NAME - Static variable in class org.apache.hadoop.fs.azurebfs.constants.ConfigurationKeys
 
AZURE_CHMOD_USERLIST_PROPERTY_NAME - Static variable in class org.apache.hadoop.fs.azure.NativeAzureFileSystem
用于指定在WASB启用授权时可以执行chmod操作的用户列表的配置属性。
AZURE_CHOWN_USERLIST_PROPERTY_NAME - Static variable in class org.apache.hadoop.fs.azure.NativeAzureFileSystem
用于指定在WASB中启用授权时可以执行chown操作的用户列表的配置属性。
AZURE_CONCURRENT_CONNECTION_VALUE_IN - Static variable in class org.apache.hadoop.fs.azurebfs.constants.ConfigurationKeys
 
AZURE_CONCURRENT_CONNECTION_VALUE_OUT - Static variable in class org.apache.hadoop.fs.azurebfs.constants.ConfigurationKeys
 
AZURE_CREATE_REMOTE_FILESYSTEM_DURING_INITIALIZATION - Static variable in class org.apache.hadoop.fs.azurebfs.constants.ConfigurationKeys
 
AZURE_CUSTOM_TOKEN_FETCH_RETRY_COUNT - Static variable in class org.apache.hadoop.fs.azurebfs.constants.ConfigurationKeys
 
AZURE_DAEMON_USERLIST_PROPERTY_NAME - Static variable in class org.apache.hadoop.fs.azure.NativeAzureFileSystem
用于指定在WASB启用授权时可以执行chmod操作的守护进程用户列表的配置属性。
AZURE_DELETE_THREADS - Static variable in class org.apache.hadoop.fs.azure.NativeAzureFileSystem
用于设置删除操作所用线程数的配置属性。
AZURE_DISTRIBUTED_FILE_SYSTEM_AUTHORITY_DELIMITER - Static variable in class org.apache.hadoop.fs.azurebfs.constants.AbfsHttpConstants
 
AZURE_ENABLE_SMALL_WRITE_OPTIMIZATION - Static variable in class org.apache.hadoop.fs.azurebfs.constants.ConfigurationKeys
如果Hadoop应用写入的数据量较小,即
AZURE_FOOTER_READ_BUFFER_SIZE - Static variable in class org.apache.hadoop.fs.azurebfs.constants.ConfigurationKeys
如果页脚显示不需要读取完整的缓冲区大小。
AZURE_HTTP_CONNECTION_TIMEOUT - Static variable in class org.apache.hadoop.fs.azurebfs.constants.ConfigurationKeys
设置REST操作HTTP连接超时值的配置。
AZURE_HTTP_READ_TIMEOUT - Static variable in class org.apache.hadoop.fs.azurebfs.constants.ConfigurationKeys
设置REST操作HTTP读取超时值的配置。
AZURE_KEY_ACCOUNT_KEYPROVIDER - Static variable in class org.apache.hadoop.fs.azurebfs.constants.ConfigurationKeys
 
AZURE_KEY_ACCOUNT_SHELLKEYPROVIDER_SCRIPT - Static variable in class org.apache.hadoop.fs.azurebfs.constants.ConfigurationKeys
 
AZURE_LIST_MAX_RESULTS - Static variable in class org.apache.hadoop.fs.azurebfs.constants.ConfigurationKeys
 
AZURE_MAX_BACKOFF_INTERVAL - Static variable in class org.apache.hadoop.fs.azurebfs.constants.ConfigurationKeys
 
AZURE_MAX_IO_RETRIES - Static variable in class org.apache.hadoop.fs.azurebfs.constants.ConfigurationKeys
 
AZURE_MIN_BACKOFF_INTERVAL - Static variable in class org.apache.hadoop.fs.azurebfs.constants.ConfigurationKeys
 
AZURE_OAUTH_TOKEN_FETCH_RETRY_COUNT - Static variable in class org.apache.hadoop.fs.azurebfs.constants.ConfigurationKeys
 
AZURE_OAUTH_TOKEN_FETCH_RETRY_DELTA_BACKOFF - Static variable in class org.apache.hadoop.fs.azurebfs.constants.ConfigurationKeys
 
AZURE_OAUTH_TOKEN_FETCH_RETRY_MAX_BACKOFF - Static variable in class org.apache.hadoop.fs.azurebfs.constants.ConfigurationKeys
 
AZURE_OAUTH_TOKEN_FETCH_RETRY_MIN_BACKOFF - Static variable in class org.apache.hadoop.fs.azurebfs.constants.ConfigurationKeys
 
AZURE_READ_AHEAD_RANGE - Static variable in class org.apache.hadoop.fs.azurebfs.constants.ConfigurationKeys
用户可设置的预读范围参数。
AZURE_READ_BUFFER_SIZE - Static variable in class org.apache.hadoop.fs.azurebfs.constants.ConfigurationKeys
 
AZURE_READ_OPTIMIZE_FOOTER_READ - Static variable in class org.apache.hadoop.fs.azurebfs.constants.ConfigurationKeys
读取parquet文件时,前几次读取是元数据读取,之后才会读取实际数据。
AZURE_READ_SMALL_FILES_COMPLETELY - Static variable in class org.apache.hadoop.fs.azurebfs.constants.ConfigurationKeys
 
AZURE_RENAME_THREADS - Static variable in class org.apache.hadoop.fs.azure.NativeAzureFileSystem
用于设置重命名操作线程数的配置属性。
AZURE_SKIP_USER_GROUP_METADATA_DURING_INITIALIZATION - Static variable in class org.apache.hadoop.fs.azurebfs.constants.ConfigurationKeys
 
AZURE_STATIC_RETRY_FOR_CONNECTION_TIMEOUT_ENABLED - Static variable in class org.apache.hadoop.fs.azurebfs.constants.ConfigurationKeys
 
AZURE_STATIC_RETRY_INTERVAL - Static variable in class org.apache.hadoop.fs.azurebfs.constants.ConfigurationKeys
 
AZURE_TOLERATE_CONCURRENT_APPEND - Static variable in class org.apache.hadoop.fs.azurebfs.constants.ConfigurationKeys
 
AZURE_WRITE_BUFFER_SIZE - Static variable in class org.apache.hadoop.fs.azurebfs.constants.ConfigurationKeys
 
AZURE_WRITE_MAX_CONCURRENT_REQUESTS - Static variable in class org.apache.hadoop.fs.azurebfs.constants.ConfigurationKeys
 
AZURE_WRITE_MAX_REQUESTS_TO_QUEUE - Static variable in class org.apache.hadoop.fs.azurebfs.constants.ConfigurationKeys
 
AzureADTokenProvider - Class in org.apache.hadoop.fs.adl.oauth2
Provide an Azure Active Directory supported OAuth2 access token to be used to authenticate REST calls against Azure data lake file system AdlFileSystem.
AzureADTokenProvider() - Constructor for class org.apache.hadoop.fs.adl.oauth2.AzureADTokenProvider
 
AzureBlobFileSystemException - Exception in org.apache.hadoop.fs.azurebfs.contracts.exceptions
Azure Blob 文件系统驱动异常的基类异常。
AzureBlobFileSystemException(String) - Constructor for exception org.apache.hadoop.fs.azurebfs.contracts.exceptions.AzureBlobFileSystemException
 
AzureBlobFileSystemException(String, Exception) - Constructor for exception org.apache.hadoop.fs.azurebfs.contracts.exceptions.AzureBlobFileSystemException
 
AzureBlobFileSystemException(String, Throwable) - Constructor for exception org.apache.hadoop.fs.azurebfs.contracts.exceptions.AzureBlobFileSystemException
 
AzureBlobFileSystemStore - Class in org.apache.hadoop.fs.azurebfs
提供Hadoop抽象文件系统与Azure存储之间的桥接逻辑。
AzureBlobFileSystemStore(AzureBlobFileSystemStore.AzureBlobFileSystemStoreBuilder) - Constructor for class org.apache.hadoop.fs.azurebfs.AzureBlobFileSystemStore
FileSystem Store for AzureBlobFileSystem for Abfs operations.
AzureException - Exception in org.apache.hadoop.fs.azure
如果与Azure存储服务通信时出现问题,则抛出此异常。
AzureException(String) - Constructor for exception org.apache.hadoop.fs.azure.AzureException
 
AzureException(String, Throwable) - Constructor for exception org.apache.hadoop.fs.azure.AzureException
 
AzureException(Throwable) - Constructor for exception org.apache.hadoop.fs.azure.AzureException
 
AzureFileSystemInstrumentation - Class in org.apache.hadoop.fs.azure.metrics
一个用于WASB文件系统的指标源,用于跟踪我们关心的所有指标,以便清晰了解Hadoop集群与Azure存储之间的性能/可靠性/交互情况。
AzureFileSystemInstrumentation(Configuration) - Constructor for class org.apache.hadoop.fs.azure.metrics.AzureFileSystemInstrumentation
 
AzureManifestCommitterFactory - Class in org.apache.hadoop.fs.azurebfs.commit
一个针对manifest committer的提交器,执行所有与abfs最佳配合所需的绑定操作。
AzureManifestCommitterFactory() - Constructor for class org.apache.hadoop.fs.azurebfs.commit.AzureManifestCommitterFactory
 
AzureServiceErrorCode - Enum in org.apache.hadoop.fs.azurebfs.contracts.services
Azure 服务错误代码。

B

BadFencingConfigurationException - Exception in org.apache.hadoop.ha
表示操作员为隔离方法指定了无效的配置。
BadFencingConfigurationException(String) - Constructor for exception org.apache.hadoop.ha.BadFencingConfigurationException
 
BadFencingConfigurationException(String, Throwable) - Constructor for exception org.apache.hadoop.ha.BadFencingConfigurationException
 
bareHost(String) - Method in class org.apache.hadoop.yarn.service.api.records.Container
运行容器的裸节点或主机,例如
BASE - Static variable in class org.apache.hadoop.fs.s3a.commit.CommitConstants
用于计算最终路径名的目录树起始标记:"__base"。
Base64StringConfigurationBasicValidator - Class in org.apache.hadoop.fs.azurebfs.diagnostics
Base64配置值字符串验证器。
Base64StringConfigurationBasicValidator(String, String, boolean) - Constructor for class org.apache.hadoop.fs.azurebfs.diagnostics.Base64StringConfigurationBasicValidator
 
BASE_OUTPUT_NAME - Static variable in class org.apache.hadoop.mapreduce.lib.output.FileOutputFormat
 
BaseClientToAMTokenSecretManager - Class in org.apache.hadoop.yarn.security.client
A base SecretManager for AMs to extend and validate Client-RM tokens issued to clients by the RM using the underlying master-key shared by RM to the AMs on their launch.
BaseClientToAMTokenSecretManager() - Constructor for class org.apache.hadoop.yarn.security.client.BaseClientToAMTokenSecretManager
 
baseOut - Variable in class org.apache.hadoop.mapred.lib.FilterOutputFormat
 
baseOut - Variable in class org.apache.hadoop.mapreduce.lib.output.FilterOutputFormat
 
basePath() - Method in interface org.apache.hadoop.fs.BulkDelete
批量删除操作的基础路径。
basePath - Variable in class org.apache.hadoop.metrics2.sink.RollingFileSystemSink
 
BaseResource - Class in org.apache.hadoop.yarn.service.api.records
 
BaseResource() - Constructor for class org.apache.hadoop.yarn.service.api.records.BaseResource
 
batchedListLocatedStatusIterator(List) - Method in interface org.apache.hadoop.fs.BatchListingOperations
Batched listing API that returns PartialListings for the passed Paths.
batchedListStatusIterator(List) - Method in interface org.apache.hadoop.fs.BatchListingOperations
Batched listing API that returns PartialListings for the passed Paths.
BatchListingOperations - Interface in org.apache.hadoop.fs
接口文件系统可以实现以提供批量列表。
BEARER - Static variable in class org.apache.hadoop.hdfs.web.oauth2.OAuth2Constants
 
belongsToAppAttempt(ApplicationAttemptId, String) - Method in class org.apache.hadoop.yarn.logaggregation.filecontroller.LogAggregationFileController
 
BigDecimalSplitter - Class in org.apache.hadoop.mapreduce.lib.db
在BigDecimal值上实现DBSplitter。
BigDecimalSplitter() - Constructor for class org.apache.hadoop.mapreduce.lib.db.BigDecimalSplitter
 
BinaryComparable - Class in org.apache.hadoop.io
Interface supported by WritableComparable types supporting ordering/permutation by a representative set of bytes.
BinaryComparable() - Constructor for class org.apache.hadoop.io.BinaryComparable
 
BinaryPartitioner<V> - Class in org.apache.hadoop.mapred.lib
Partition BinaryComparable keys using a configurable part of the bytes array returned by BinaryComparable.getBytes().
BinaryPartitioner() - Constructor for class org.apache.hadoop.mapred.lib.BinaryPartitioner
 
BinaryPartitioner<V> - Class in org.apache.hadoop.mapreduce.lib.partition
Partition BinaryComparable keys using a configurable part of the bytes array returned by BinaryComparable.getBytes().
BinaryPartitioner() - Constructor for class org.apache.hadoop.mapreduce.lib.partition.BinaryPartitioner
 
BinaryRecordInput - Class in org.apache.hadoop.record
Deprecated.
Replaced by Avro.
BinaryRecordInput(InputStream) - Constructor for class org.apache.hadoop.record.BinaryRecordInput
Deprecated.
创建BinaryRecordInput的新实例
BinaryRecordInput(DataInput) - Constructor for class org.apache.hadoop.record.BinaryRecordInput
Deprecated.
创建BinaryRecordInput的新实例
BinaryRecordOutput - Class in org.apache.hadoop.record
Deprecated.
Replaced by Avro.
BinaryRecordOutput(OutputStream) - Constructor for class org.apache.hadoop.record.BinaryRecordOutput
Deprecated.
创建BinaryRecordOutput的新实例
BinaryRecordOutput(DataOutput) - Constructor for class org.apache.hadoop.record.BinaryRecordOutput
Deprecated.
创建BinaryRecordOutput的新实例
bind(ServerSocket, InetSocketAddress, int) - Static method in class org.apache.hadoop.ipc.Server
一个便捷方法,用于绑定到指定地址,并在地址不是有效主机时提供更清晰的异常报告。
bind(ServerSocket, InetSocketAddress, int, Configuration, String) - Static method in class org.apache.hadoop.ipc.Server
 
bind(String, ServiceRecord, int) - Method in interface org.apache.hadoop.registry.client.api.RegistryOperations
将注册表中的路径绑定到服务记录
bind(String, ServiceRecord, int) - Method in class org.apache.hadoop.registry.client.impl.zk.RegistryOperationsService
 
bindArgs(Configuration, List) - Method in class org.apache.hadoop.service.launcher.AbstractLaunchableService
传播命令行参数。
bindArgs(Configuration, List) - Method in interface org.apache.hadoop.service.launcher.LaunchableService
传播命令行参数。
BindFlags - Interface in org.apache.hadoop.registry.client.api
创建服务条目时可组合使用的标志。
绑定信息 - Class in org.apache.hadoop.registry.client.impl.zk
Binding information provided by a RegistryBindingSource
BindingInformation() - Constructor for class org.apache.hadoop.registry.client.impl.zk.BindingInformation
 
BindingPathOutputCommitter - Class in org.apache.hadoop.mapreduce.lib.output
这是一个特殊的提交器,它创建提交器的工厂并基于此运行。
BindingPathOutputCommitter(Path, TaskAttemptContext) - Constructor for class org.apache.hadoop.mapreduce.lib.output.BindingPathOutputCommitter
实例化。
BLOCK_LIST_PATH_ARG - Static variable in class org.apache.hadoop.tools.dynamometer.Client
 
BLOCK_UPLOAD_ACTIVE_BLOCKS_DEFAULT - Static variable in class org.apache.hadoop.fs.azurebfs.constants.FileSystemConfigurations
在OutputStream写入阻塞之前,排队的块上传操作限制。
BlockAlias - Interface in org.apache.hadoop.hdfs.server.common
用于加载所提供块的接口。
BlockAliasMap<T extends BlockAlias> - Class in org.apache.hadoop.hdfs.server.common.blockaliasmap
一个抽象类,用于读取和写入所提供块的块映射。
BlockAliasMap() - Constructor for class org.apache.hadoop.hdfs.server.common.blockaliasmap.BlockAliasMap
 
BlockCompressorStream - Class in org.apache.hadoop.io.compress
A CompressorStream which works with 'block-based' based compression algorithms, as opposed to 'stream-based' compression algorithms.
BlockCompressorStream(OutputStream, Compressor, int, int) - Constructor for class org.apache.hadoop.io.compress.BlockCompressorStream
BlockCompressorStream(OutputStream, Compressor) - Constructor for class org.apache.hadoop.io.compress.BlockCompressorStream
Create a BlockCompressorStream with given output-stream and compressor.
BlockDecompressorStream - Class in org.apache.hadoop.io.compress
A DecompressorStream which works with 'block-based' based compression algorithms, as opposed to 'stream-based' compression algorithms.
BlockDecompressorStream(InputStream, Decompressor, int) - Constructor for class org.apache.hadoop.io.compress.BlockDecompressorStream
BlockDecompressorStream(InputStream, Decompressor) - Constructor for class org.apache.hadoop.io.compress.BlockDecompressorStream
BlockDecompressorStream(InputStream) - Constructor for class org.apache.hadoop.io.compress.BlockDecompressorStream
 
blockDownloaded(long) - Method in class org.apache.hadoop.fs.azure.metrics.AzureFileSystemInstrumentation
表明我们刚刚下载了一个块并记录其延迟。
blockLengths(FileStatus) - Method in class org.apache.hadoop.hdfs.server.namenode.BlockResolver
 
blockLengths(FileStatus) - Method in class org.apache.hadoop.hdfs.server.namenode.FixedBlockResolver
 
BlockLocation - Class in org.apache.hadoop.fs
表示一个块的网络位置,包含块副本的主机信息,以及其他块元数据(例如。
BlockLocation() - Constructor for class org.apache.hadoop.fs.BlockLocation
默认构造函数。
BlockLocation(BlockLocation) - Constructor for class org.apache.hadoop.fs.BlockLocation
复制构造函数。
BlockLocation(String[], String[], long, long) - Constructor for class org.apache.hadoop.fs.BlockLocation
带有主机、名称、偏移量和长度的构造函数。
BlockLocation(String[], String[], long, long, boolean) - Constructor for class org.apache.hadoop.fs.BlockLocation
构造函数,包含主机、名称、偏移量、长度和损坏标志。
BlockLocation(String[], String[], String[], long, long) - Constructor for class org.apache.hadoop.fs.BlockLocation
构造函数,包含主机、名称、网络拓扑、偏移量和长度。
BlockLocation(String[], String[], String[], long, long, boolean) - Constructor for class org.apache.hadoop.fs.BlockLocation
构造函数包含主机、名称、网络拓扑、偏移量、长度以及损坏标志。
BlockLocation(String[], String[], String[], String[], long, long, boolean) - Constructor for class org.apache.hadoop.fs.BlockLocation
 
BlockLocation(String[], String[], String[], String[], String[], StorageType[], long, long, boolean) - Constructor for class org.apache.hadoop.fs.BlockLocation
 
blockPoolIDFromFileName(Path) - Static method in class org.apache.hadoop.hdfs.server.common.blockaliasmap.impl.TextFileRegionAliasMap
 
BlockReportOptions - Class in org.apache.hadoop.hdfs.client
手动触发块报告时可以指定的选项。
BlockResolver - Class in org.apache.hadoop.hdfs.server.namenode
给定一个外部引用,创建一系列区块及其关联的元数据。
BlockResolver() - Constructor for class org.apache.hadoop.hdfs.server.namenode.BlockResolver
 
BLOCKS_ALLOCATED - Static variable in class org.apache.hadoop.fs.statistics.StreamStatisticNames
由outputStream分配的数据块总数。
BLOCKS_RELEASED - Static variable in class org.apache.hadoop.fs.statistics.StreamStatisticNames
由outputStream释放的数据块总数。
blockSize(long) - Method in class org.apache.hadoop.fs.FSDataOutputStreamBuilder
设置块大小。
blockSize(long) - Method in class org.apache.hadoop.fs.impl.MultipartUploaderBuilderImpl
设置块大小。
BLOCKSIZE - Static variable in class org.apache.hadoop.hdfs.server.namenode.FixedBlockResolver
 
BLOCKSIZE_DEFAULT - Static variable in class org.apache.hadoop.hdfs.server.namenode.FixedBlockResolver
 
BlockStoragePolicySpi - Interface in org.apache.hadoop.fs
存储策略指定了块副本在特定存储类型上的放置位置。
blockUploaded(long) - Method in class org.apache.hadoop.fs.azure.metrics.AzureFileSystemInstrumentation
表明我们刚刚上传了一个块并记录其延迟。
BLOOM_FILE_NAME - Static variable in class org.apache.hadoop.io.BloomMapFile
 
BloomFilter - Class in org.apache.hadoop.util.bloom
Implements a Bloom filter, as defined by Bloom in 1970.
BloomFilter() - Constructor for class org.apache.hadoop.util.bloom.BloomFilter
默认构造函数 - 与readFields一起使用
BloomFilter(int, int, int) - Constructor for class org.apache.hadoop.util.bloom.BloomFilter
构造函数
BloomMapFile - Class in org.apache.hadoop.io
This class extends MapFile and provides very much the same functionality.
BloomMapFile() - Constructor for class org.apache.hadoop.io.BloomMapFile
 
BooleanConfigurationBasicValidator - Class in org.apache.hadoop.fs.azurebfs.diagnostics
布尔配置值验证器。
BooleanConfigurationBasicValidator(String, boolean, boolean) - Constructor for class org.apache.hadoop.fs.azurebfs.diagnostics.BooleanConfigurationBasicValidator
 
BooleanSplitter - Class in org.apache.hadoop.mapreduce.lib.db
在布尔值上实现DBSplitter。
BooleanSplitter() - Constructor for class org.apache.hadoop.mapreduce.lib.db.BooleanSplitter
 
BooleanWritable - Class in org.apache.hadoop.io
一个用于布尔值的可写可比较对象。
BooleanWritable() - Constructor for class org.apache.hadoop.io.BooleanWritable
 
BooleanWritable(boolean) - Constructor for class org.apache.hadoop.io.BooleanWritable
 
BoundedAppender - Class in org.apache.hadoop.yarn.util
A CharSequence appender that considers its BoundedAppender.limit as upper bound.
BoundedAppender(int) - Constructor for class org.apache.hadoop.yarn.util.BoundedAppender
 
BREAK_LEASE_ACTION - Static variable in class org.apache.hadoop.fs.azurebfs.constants.AbfsHttpConstants
 
breakLease(Path, TracingContext) - Method in class org.apache.hadoop.fs.azurebfs.AzureBlobFileSystemStore
解除ABFS文件上的任何当前租约。
BROKER_LIST - Static variable in class org.apache.hadoop.metrics2.sink.KafkaSink
 
BROWSER_USER_AGENT_PARAM - Static variable in class org.apache.hadoop.security.http.RestCsrfPreventionFilter
 
BUCKET_GROUP - Static variable in class org.apache.hadoop.fs.s3a.audit.S3LogParser
日志组 "bucket"。
BUCKET_REGION_HEADER - Static variable in class org.apache.hadoop.fs.s3a.常量
存储桶区域标头。
buffer - Variable in class org.apache.hadoop.io.compress.CompressorStream
 
buffer - Variable in class org.apache.hadoop.io.compress.DecompressorStream
 
buffer() - Method in interface org.apache.hadoop.io.file.tfile.RawComparable
获取底层字节数组。
缓冲区 - Class in org.apache.hadoop.record
Deprecated.
Replaced by Avro.
Buffer() - Constructor for class org.apache.hadoop.record.Buffer
Deprecated.
创建一个零计数序列。
Buffer(byte[]) - Constructor for class org.apache.hadoop.record.Buffer
Deprecated.
使用字节数组作为初始值创建一个Buffer。
Buffer(byte[], int, int) - Constructor for class org.apache.hadoop.record.Buffer
Deprecated.
使用字节范围作为初始值创建一个Buffer。
BUFFER_DIR - Static variable in class org.apache.hadoop.fs.s3a.常量
 
bufferSize(int) - Method in class org.apache.hadoop.fs.FSDataOutputStreamBuilder
设置要使用的缓冲区大小。
bufferSize(int) - Method in class org.apache.hadoop.fs.impl.FutureDataInputStreamBuilderImpl
设置要使用的缓冲区大小。
bufferSize(int) - Method in class org.apache.hadoop.fs.impl.MultipartUploaderBuilderImpl
设置要使用的缓冲区大小。
build() - Method in interface org.apache.hadoop.fs.FSBuilder
实例化正在构建的对象。
build() - Method in class org.apache.hadoop.fs.FSDataOutputStreamBuilder
创建FSDataOutputStream以写入文件系统。
build() - Method in interface org.apache.hadoop.fs.FutureDataInputStreamBuilder
 
build() - Method in class org.apache.hadoop.hdfs.ReplicaAccessorBuilder
构建一个新的ReplicaAccessor。
build() - Method in class org.apache.hadoop.yarn.api.protocolrecords.AllocateRequest.AllocateRequestBuilder
Return generated AllocateRequest object.
build() - Method in class org.apache.hadoop.yarn.api.records.ApplicationAttemptId
 
build() - Method in class org.apache.hadoop.yarn.api.records.ApplicationId
 
build() - Method in class org.apache.hadoop.yarn.api.records.ContainerId
 
build() - Method in class org.apache.hadoop.yarn.api.records.NodeId
 
build() - Method in class org.apache.hadoop.yarn.api.records.ReservationId
 
build() - Method in class org.apache.hadoop.yarn.api.records.ResourceRequest.ResourceRequestBuilder
Return generated ResourceRequest object.
build() - Method in class org.apache.hadoop.yarn.api.records.SchedulingRequest.SchedulingRequestBuilder
Return generated SchedulingRequest object.
build(PlacementConstraint.AbstractConstraint) - Static method in class org.apache.hadoop.yarn.api.resource.PlacementConstraints
Creates a PlacementConstraint given a constraint expression.
buildBlock(long, long) - Method in class org.apache.hadoop.hdfs.server.namenode.BlockResolver
 
buildBlock(long, long, long) - Method in class org.apache.hadoop.hdfs.server.namenode.BlockResolver
 
buildCacheKey() - Method in class org.apache.hadoop.security.token.Token
 
buildDTServiceName(URI, int) - Static method in class org.apache.hadoop.security.SecurityUtil
为委托令牌创建服务名称
builder() - Method in class org.apache.hadoop.fs.impl.FutureDataInputStreamBuilderImpl
获取构建器。
buildPermissionStatus(String, String, short) - Method in class org.apache.hadoop.hdfs.server.namenode.UGIResolver
权限被序列化为一个64位长整型。
buildTimelineTokenService(Configuration) - Static method in class org.apache.hadoop.yarn.util.timeline.TimelineUtils
 
buildTokenService(InetSocketAddress) - Static method in class org.apache.hadoop.security.SecurityUtil
为令牌构建服务密钥
buildTokenService(URI) - Static method in class org.apache.hadoop.security.SecurityUtil
为令牌构建服务密钥
buildVersionName(String, int) - Static method in class org.apache.hadoop.crypto.key.KeyProvider
根据基础名称和版本号构建版本字符串。
BULK_DELETE_PAGE_SIZE - Static variable in class org.apache.hadoop.fs.s3a.常量
单次多对象删除操作中要删除的对象数量 "fs.s3a.bulk.delete.page.size"。
BULK_DELETE_PAGE_SIZE_DEFAULT - Static variable in class org.apache.hadoop.fs.s3a.常量
单次多对象删除的默认对象数量:250。
BulkDelete - Interface in org.apache.hadoop.fs
API for bulk deletion of objects/files, but not directories.
bulkDelete(Collection) - Method in interface org.apache.hadoop.fs.BulkDelete
删除文件/对象列表。
bulkDelete_delete(FileSystem, Path, Collection) - Static method in class org.apache.hadoop.io.wrappedio.WrappedIO
删除文件/对象列表。
bulkDelete_pageSize(FileSystem, Path) - Static method in class org.apache.hadoop.io.wrappedio.WrappedIO
获取单个请求中可删除的对象/文件的最大数量。
BulkDeleteSource - Interface in org.apache.hadoop.fs
批量删除的接口。
ByteBufferPool - Interface in org.apache.hadoop.io
 
ByteBufferPositionedReadable - Interface in org.apache.hadoop.fs
Implementers of this interface provide a positioned read API that writes to a ByteBuffer rather than a byte[].
byteBufferPositionedReadable_readFully(InputStream, long, ByteBuffer) - Static method in class org.apache.hadoop.io.wrappedio.WrappedIO
byteBufferPositionedReadable_readFullyAvailable(InputStream) - Static method in class org.apache.hadoop.io.wrappedio.WrappedIO
探测输入流是否为ByteBufferPositionedReadable的实例。
ByteBufferReadable - Interface in org.apache.hadoop.fs
该接口的实现者提供了一个读取API,它将数据写入ByteBuffer,而非byte[]。
bytes() - Method in interface org.apache.hadoop.fs.PartHandle
 
bytes() - Method in interface org.apache.hadoop.fs.PathHandle
获取此路径句柄的字节数。
bytes() - Method in interface org.apache.hadoop.fs.UploadHandle
 
BYTES_READ_BUFFER - Static variable in class org.apache.hadoop.fs.statistics.StreamStatisticNames
从缓冲区读取的字节数。
BYTES_TO_UPLOAD - Static variable in class org.apache.hadoop.fs.statistics.StreamStatisticNames
从OutputStream上传的字节数。
BYTES_UPLOAD_FAILED - Static variable in class org.apache.hadoop.fs.statistics.StreamStatisticNames
上传到对象存储失败的字节数。
BYTES_UPLOAD_SUCCESSFUL - Static variable in class org.apache.hadoop.fs.statistics.StreamStatisticNames
成功上传到对象存储的字节数。
BYTESSENT_GROUP - Static variable in class org.apache.hadoop.fs.s3a.audit.S3LogParser
日志组 "bytessent"。
bytesToCodePoint(ByteBuffer) - Static method in class org.apache.hadoop.io.Text
 
BytesWritable - Class in org.apache.hadoop.io
可用作键或值的字节序列。
BytesWritable() - Constructor for class org.apache.hadoop.io.BytesWritable
创建一个零长度的序列。
BytesWritable(byte[]) - Constructor for class org.apache.hadoop.io.BytesWritable
使用字节数组作为初始值创建一个BytesWritable。
BytesWritable(byte[], int) - Constructor for class org.apache.hadoop.io.BytesWritable
使用字节数组作为初始值,长度作为长度创建一个BytesWritable。
ByteWritable - Class in org.apache.hadoop.io
用于单个字节的WritableComparable。
ByteWritable() - Constructor for class org.apache.hadoop.io.ByteWritable
 
ByteWritable(byte) - Constructor for class org.apache.hadoop.io.ByteWritable
 
BZIP2_CODEC_EXTENSION - Static variable in class org.apache.hadoop.io.compress.CodecConstants
Default extension for BZip2Codec.
BZip2Codec - Class in org.apache.hadoop.io.compress
该类为bzip2压缩和解压提供了输出和输入流。
BZip2Codec() - Constructor for class org.apache.hadoop.io.compress.BZip2Codec
创建一个新的BZip2Codec实例。

C

CACHE_ARCHIVES - Static variable in class org.apache.hadoop.filecache.DistributedCache
Deprecated.
CACHE_ARCHIVES_SIZES - Static variable in class org.apache.hadoop.filecache.DistributedCache
Deprecated.
CACHE_ARCHIVES_TIMESTAMPS - Static variable in class org.apache.hadoop.filecache.DistributedCache
Deprecated.
CACHE_FILES - Static variable in class org.apache.hadoop.filecache.DistributedCache
Deprecated.
CACHE_FILES_SIZES - Static variable in class org.apache.hadoop.filecache.DistributedCache
Deprecated.
CACHE_FILES_TIMESTAMPS - Static variable in class org.apache.hadoop.filecache.DistributedCache
Deprecated.
CACHE_LOCALARCHIVES - Static variable in class org.apache.hadoop.filecache.DistributedCache
Deprecated.
CACHE_LOCALFILES - Static variable in class org.apache.hadoop.filecache.DistributedCache
Deprecated.
CACHE_SYMLINK - Static variable in class org.apache.hadoop.filecache.DistributedCache
Deprecated.
CachedDNSToSwitchMapping - Class in org.apache.hadoop.net
DNSToSwitchMapping的一个缓存实现,它接收原始DNSToSwitchMapping并将解析后的网络位置存储在缓存中。
CachedDNSToSwitchMapping(DNSToSwitchMapping) - Constructor for class org.apache.hadoop.net.CachedDNSToSwitchMapping
缓存原始DNS映射
CacheDirectiveEntry - Class in org.apache.hadoop.hdfs.protocol
描述一个基于路径的缓存指令条目。
CacheDirectiveEntry(CacheDirectiveInfo, CacheDirectiveStats) - Constructor for class org.apache.hadoop.hdfs.protocol.CacheDirectiveEntry
 
CacheDirectiveInfo - Class in org.apache.hadoop.hdfs.protocol
描述一个基于路径的缓存指令。
CacheDirectiveStats - Class in org.apache.hadoop.hdfs.protocol
描述一个基于路径的缓存指令。
CacheFlag - Enum in org.apache.hadoop.fs
为CacheDirective操作指定语义。
cacheGroupsAdd(List) - Method in interface org.apache.hadoop.security.GroupMappingServiceProvider
缓存组用户信息
cacheGroupsRefresh() - Method in interface org.apache.hadoop.security.GroupMappingServiceProvider
刷新组和用户映射的缓存
CachePoolEntry - Class in org.apache.hadoop.hdfs.protocol
描述一个缓存池条目。
CachePoolEntry(CachePoolInfo, CachePoolStats) - Constructor for class org.apache.hadoop.hdfs.protocol.CachePoolEntry
 
CachePoolInfo - Class in org.apache.hadoop.hdfs.protocol
CachePoolInfo 描述了一个缓存池。
CachePoolInfo(String) - Constructor for class org.apache.hadoop.hdfs.protocol.CachePoolInfo
 
CachePoolStats - Class in org.apache.hadoop.hdfs.protocol
CachePoolStats 描述缓存池的统计信息。
calcMemoryMB() - Method in class org.apache.hadoop.yarn.service.api.records.Resource
 
call(RPC.RpcKind, Writable, Client.ConnectionId, AtomicBoolean) - Method in class org.apache.hadoop.ipc.Client
Make a call, passing rpcRequest, to the IPC server defined by remoteId, returning the rpc respond.
call(RPC.RpcKind, Writable, Client.ConnectionId, AtomicBoolean, AlignmentContext) - Method in class org.apache.hadoop.ipc.Client
 
call(Writable, long) - Method in class org.apache.hadoop.ipc.Server
call(RPC.RpcKind, String, Writable, long) - Method in class org.apache.hadoop.ipc.Server
每次调用时触发。
callbackHandler - Variable in class org.apache.hadoop.yarn.client.api.async.NMClientAsync
 
CallerContext - Class in org.apache.hadoop.ipc
一个定义调用者上下文的类,用于审计粗粒度操作。
callerContextMaxLen - Variable in class org.apache.hadoop.hdfs.server.namenode.DefaultAuditLogger
调用者上下文字符串的最大字节数。
callerSignatureMaxLen - Variable in class org.apache.hadoop.hdfs.server.namenode.DefaultAuditLogger
 
CAN_UNBUFFER_NOT_IMPLEMENTED_MESSAGE - Static variable in class org.apache.hadoop.fs.StreamCapabilitiesPolicy
 
cancel(Configuration) - Method in class org.apache.hadoop.security.token.Token
取消此委托令牌。
cancel(Token, Configuration) - Method in class org.apache.hadoop.security.token.Token.TrivialRenewer
 
cancel(Token, Configuration) - Method in class org.apache.hadoop.security.token.TokenRenewer
取消给定的令牌。
cancelAllFuturesAndAwaitCompletion(Collection>, boolean, Duration) - Static method in class org.apache.hadoop.util.functional.FutureIO
取消一组future并等待指定时间以完成它们。
cancelDelegationToken(Token) - Method in class org.apache.hadoop.mapred.JobClient
cancelDelegationToken(Token) - Method in class org.apache.hadoop.mapreduce.集群
cancelDelegationToken(URL, DelegationTokenAuthenticatedURL.Token) - Method in class org.apache.hadoop.security.token.delegation.web.DelegationTokenAuthenticatedURL
从服务器端点取消一个委托令牌。
cancelDelegationToken(URL, DelegationTokenAuthenticatedURL.Token, String) - Method in class org.apache.hadoop.security.token.delegation.web.DelegationTokenAuthenticatedURL
从服务器端点取消一个委托令牌。
cancelDelegationToken(URL, AuthenticatedURL.Token, Token) - Method in class org.apache.hadoop.security.token.delegation.web.DelegationTokenAuthenticator
从服务器端点取消一个委托令牌。
cancelDelegationToken(URL, AuthenticatedURL.Token, Token, String) - Method in class org.apache.hadoop.security.token.delegation.web.DelegationTokenAuthenticator
从服务器端点取消一个委托令牌。
cancelDelegationToken(Token) - Method in class org.apache.hadoop.yarn.client.api.TimelineClient
取消时间轴委托令牌。
CancelDelegationTokenRequest - Interface in org.apache.hadoop.mapreduce.v2.api.protocolrecords
The request issued by the client to the ResourceManager to cancel a delegation token.
CancelDelegationTokenResponse - Interface in org.apache.hadoop.mapreduce.v2.api.protocolrecords
The response from the ResourceManager to a cancelDelegationToken request.
cancelDeleteOnExit(Path) - Method in class org.apache.hadoop.fs.FileSystem
当FileSystem关闭时取消路径的预定删除。
cancelToken(Token, String) - Method in class org.apache.hadoop.security.token.delegation.AbstractDelegationTokenSecretManager
通过从缓存中移除令牌来取消它。
canExecute(File) - Static method in class org.apache.hadoop.fs.FileUtil
Platform independent implementation for File.canExecute()
CANNED_ACL - Static variable in class org.apache.hadoop.fs.s3a.常量
 
CannotObtainBlockLengthException - Exception in org.apache.hadoop.hdfs
当无法获取LocatedBlock实例的长度时,会抛出此异常。
CannotObtainBlockLengthException() - Constructor for exception org.apache.hadoop.hdfs.CannotObtainBlockLengthException
 
CannotObtainBlockLengthException(String) - Constructor for exception org.apache.hadoop.hdfs.CannotObtainBlockLengthException
 
CannotObtainBlockLengthException(LocatedBlock) - Constructor for exception org.apache.hadoop.hdfs.CannotObtainBlockLengthException
Constructs an CannotObtainBlockLengthException with the specified LocatedBlock that failed to obtain block length.
CannotObtainBlockLengthException(LocatedBlock, String) - Constructor for exception org.apache.hadoop.hdfs.CannotObtainBlockLengthException
Constructs an CannotObtainBlockLengthException with the specified LocatedBlock and file that failed to obtain block length.
canonicalizeUri(URI) - Method in class org.apache.hadoop.fs.FileSystem
规范化给定的URI。
canonicalizeUri(URI) - Method in class org.apache.hadoop.fs.FilterFileSystem
 
canRead(File) - Static method in class org.apache.hadoop.fs.FileUtil
Platform independent implementation for File.canRead()
CanSetDropBehind - Interface in org.apache.hadoop.fs
 
CanSetReadahead - Interface in org.apache.hadoop.fs
 
CanUnbuffer - Interface in org.apache.hadoop.fs
FSDataInputStreams 实现了此接口,以表明它们可以根据请求清除缓冲区。
canWrite(File) - Static method in class org.apache.hadoop.fs.FileUtil
Platform independent implementation for File.canWrite()
capability(Resource) - Method in class org.apache.hadoop.yarn.api.records.ResourceRequest.ResourceRequestBuilder
Set the capability of the request.
CAPABILITY_DYNAMIC_PARTITIONING - Static variable in class org.apache.hadoop.mapreduce.lib.output.committer.manifest.ManifestCommitterConstants
针对spark动态分区兼容性的流能力探测。
cardinality(String, int, int, String...) - Static method in class org.apache.hadoop.yarn.api.resource.PlacementConstraints
创建一个约束,限制给定范围(例如节点或机架)内的分配数量。
cardinality(String, String, int, int, String...) - Static method in class org.apache.hadoop.yarn.api.resource.PlacementConstraints
Similar to PlacementConstraints.cardinality(String, int, int, String...), but let you attach a namespace to the given allocation tags.
castToIntSafely(long) - Static method in class org.apache.hadoop.yarn.api.records.Resource
安全地将长整型转换为整型以获取资源值。
CENTRAL_ENDPOINT - Static variable in class org.apache.hadoop.fs.s3a.常量
中心端点:"s3.amazonaws.com"。
CENTRALIZED_NODELABEL_CONFIGURATION_TYPE - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
ChainMapper - Class in org.apache.hadoop.mapred.lib
ChainMapper类允许在单个Map任务中使用多个Mapper类。
ChainMapper() - Constructor for class org.apache.hadoop.mapred.lib.ChainMapper
构造函数。
ChainMapper<KEYIN,VALUEIN,KEYOUT,VALUEOUT> - Class in org.apache.hadoop.mapreduce.lib.chain
ChainMapper类允许在单个Map任务中使用多个Mapper类。
ChainMapper() - Constructor for class org.apache.hadoop.mapreduce.lib.chain.ChainMapper
 
ChainReducer - Class in org.apache.hadoop.mapred.lib
ChainReducer类允许在Reducer任务中的Reducer之后串联多个Mapper类。
ChainReducer() - Constructor for class org.apache.hadoop.mapred.lib.ChainReducer
构造函数。
ChainReducer<KEYIN,VALUEIN,KEYOUT,VALUEOUT> - Class in org.apache.hadoop.mapreduce.lib.chain
ChainReducer类允许在Reducer任务中的Reducer之后串联多个Mapper类。
ChainReducer() - Constructor for class org.apache.hadoop.mapreduce.lib.chain.ChainReducer
 
CHANGE_DETECT_MODE - Static variable in class org.apache.hadoop.fs.s3a.常量
运行变更检测的模式。
CHANGE_DETECT_MODE_CLIENT - Static variable in class org.apache.hadoop.fs.s3a.常量
通过在客户端比较返回的ID与预期ID来检测变更。
CHANGE_DETECT_MODE_DEFAULT - Static variable in class org.apache.hadoop.fs.s3a.常量
默认变更检测模式:服务器。
CHANGE_DETECT_MODE_NONE - Static variable in class org.apache.hadoop.fs.s3a.常量
变更检测已关闭。
CHANGE_DETECT_MODE_SERVER - Static variable in class org.apache.hadoop.fs.s3a.常量
通过GetObject请求中传递预期值来检测变更。
CHANGE_DETECT_MODE_WARN - Static variable in class org.apache.hadoop.fs.s3a.常量
通过在客户端比较返回的ID与预期ID来检测变更。
CHANGE_DETECT_REQUIRE_VERSION - Static variable in class org.apache.hadoop.fs.s3a.常量
If true, raises a RemoteFileChangedException exception when S3 doesn't provide the attribute defined by fs.s3a.change.detection.source.
CHANGE_DETECT_REQUIRE_VERSION_DEFAULT - Static variable in class org.apache.hadoop.fs.s3a.常量
默认变更检测需要版本: true。
CHANGE_DETECT_SOURCE - Static variable in class org.apache.hadoop.fs.s3a.常量
在变更检测中获取要使用的值的来源。
CHANGE_DETECT_SOURCE_DEFAULT - Static variable in class org.apache.hadoop.fs.s3a.常量
默认变更检测机制:eTag。
CHANGE_DETECT_SOURCE_ETAG - Static variable in class org.apache.hadoop.fs.s3a.常量
eTag作为变更检测机制。
CHANGE_DETECT_SOURCE_VERSION_ID - Static variable in class org.apache.hadoop.fs.s3a.常量
对象版本ID作为变更检测机制。
changed() - Method in class org.apache.hadoop.metrics2.lib.MutableMetric
 
CHAR_EQUALS - Static variable in class org.apache.hadoop.fs.azurebfs.constants.AbfsHttpConstants
 
CHAR_EXCLAMATION_POINT - Static variable in class org.apache.hadoop.fs.azurebfs.constants.AbfsHttpConstants
 
CHAR_FORWARD_SLASH - Static variable in class org.apache.hadoop.fs.azurebfs.constants.AbfsHttpConstants
 
CHAR_HYPHEN - Static variable in class org.apache.hadoop.fs.azurebfs.constants.AbfsHttpConstants
 
CHAR_PLUS - Static variable in class org.apache.hadoop.fs.azurebfs.constants.AbfsHttpConstants
 
CHAR_STAR - Static variable in class org.apache.hadoop.fs.azurebfs.constants.AbfsHttpConstants
 
CHAR_UNDERSCORE - Static variable in class org.apache.hadoop.fs.azurebfs.constants.AbfsHttpConstants
 
charAt(int) - Method in class org.apache.hadoop.io.Text
Returns the Unicode Scalar Value (32-bit integer value) for the character at position.
CHECK_ACCESS - Static variable in class org.apache.hadoop.fs.azurebfs.constants.AbfsHttpConstants
 
checkArgs(String) - Method in interface org.apache.hadoop.ha.FenceMethod
验证给定的隔离方法的参数是否有效。
checkAvailableForRead() - Method in class org.apache.hadoop.security.token.SecretManager
如果密钥管理器可用于读取令牌则不执行任何操作,否则抛出StandbyException。
checkExists(FileSystem, Path, FsPermission) - Method in class org.apache.hadoop.yarn.logaggregation.filecontroller.LogAggregationFileController
 
checkFencingConfigured() - Method in class org.apache.hadoop.ha.HAServiceTarget
 
checkIsBashSupported() - Static method in class org.apache.hadoop.util.Shell
 
checkOutputSpecs(FileSystem, JobConf) - Method in class org.apache.hadoop.mapred.FileOutputFormat
 
checkOutputSpecs(FileSystem, JobConf) - Method in class org.apache.hadoop.mapred.lib.db.DBOutputFormat
检查作业的输出规范是否有效。
checkOutputSpecs(FileSystem, JobConf) - Method in class org.apache.hadoop.mapred.lib.FilterOutputFormat
 
checkOutputSpecs(FileSystem, JobConf) - Method in class org.apache.hadoop.mapred.lib.LazyOutputFormat
 
checkOutputSpecs(FileSystem, JobConf) - Method in class org.apache.hadoop.mapred.lib.NullOutputFormat
 
checkOutputSpecs(FileSystem, JobConf) - Method in interface org.apache.hadoop.mapred.OutputFormat
检查作业的输出规范是否有效。
checkOutputSpecs(FileSystem, JobConf) - Method in class org.apache.hadoop.mapred.SequenceFileAsBinaryOutputFormat
 
checkOutputSpecs(JobContext) - Method in class org.apache.hadoop.mapreduce.lib.db.DBOutputFormat
 
checkOutputSpecs(JobContext) - Method in class org.apache.hadoop.mapreduce.lib.output.FileOutputFormat
 
checkOutputSpecs(JobContext) - Method in class org.apache.hadoop.mapreduce.lib.output.FilterOutputFormat
 
checkOutputSpecs(JobContext) - Method in class org.apache.hadoop.mapreduce.lib.output.LazyOutputFormat
 
checkOutputSpecs(JobContext) - Method in class org.apache.hadoop.mapreduce.lib.output.NullOutputFormat
 
checkOutputSpecs(JobContext) - Method in class org.apache.hadoop.mapreduce.lib.output.SequenceFileAsBinaryOutputFormat
 
checkOutputSpecs(JobContext) - Method in class org.apache.hadoop.mapreduce.OutputFormat
检查作业的输出规范是否有效。
checkPath(Path) - Method in class org.apache.hadoop.fs.AbstractFileSystem
检查路径是否属于此文件系统。
checkPath(Path) - Method in class org.apache.hadoop.fs.azure.NativeAzureFileSystem
 
checkPath(Path) - Method in class org.apache.hadoop.fs.FileSystem
检查路径是否属于此文件系统。
checkPath(Path) - Method in class org.apache.hadoop.fs.FilterFileSystem
检查路径是否属于此文件系统。
checkPidPgrpidForMatch() - Method in class org.apache.hadoop.yarn.util.ResourceCalculatorProcessTree
验证树进程ID是否与其进程组ID相同。
checkpoint() - Method in class org.apache.hadoop.fs.回收站
创建一个垃圾检查点。
可检查点 - Annotation Type in org.apache.hadoop.mapreduce.task.annotation
该合约向框架表示,任务可以在用户定义函数的调用之间安全地抢占和重启。
checkScheme(URI, String) - Method in class org.apache.hadoop.fs.AbstractFileSystem
检查Uri的方案是否匹配。
checkStateTransition(String, Service.STATE, Service.STATE) - Static method in class org.apache.hadoop.service.ServiceStateModel
检查状态转换是否有效,如果无效则抛出异常
checkStream() - Method in class org.apache.hadoop.io.compress.DecompressorStream
 
CHECKSUM_VALIDATION - Static variable in class org.apache.hadoop.fs.s3a.常量
下载时是否应验证校验和? 这会较慢且在TLS连接上不需要。
CHECKSUM_VALIDATION_DEFAULT - Static variable in class org.apache.hadoop.fs.s3a.常量
ChecksumException - Exception in org.apache.hadoop.fs
抛出校验和错误。
ChecksumException(String, long) - Constructor for exception org.apache.hadoop.fs.ChecksumException
 
ChecksumFileSystem - Class in org.apache.hadoop.fs
抽象校验文件系统。
ChecksumFileSystem(FileSystem) - Constructor for class org.apache.hadoop.fs.ChecksumFileSystem
 
checksumOpt(Options.ChecksumOpt) - Method in class org.apache.hadoop.fs.FSDataOutputStreamBuilder
设置校验和选项。
checksumOpt(Options.ChecksumOpt) - Method in class org.apache.hadoop.fs.impl.MultipartUploaderBuilderImpl
设置校验和选项。
checkTGTAndReloginFromKeytab() - Method in class org.apache.hadoop.security.UserGroupInformation
如果TGT已过期或即将过期,则从keytab重新登录用户。
checkToken(TokenIdent) - Method in class org.apache.hadoop.security.token.delegation.AbstractDelegationTokenSecretManager
查找给定令牌ID的DelegationTokenInformation,并验证该令牌是否已过期。
checkWindowsCommandLineLength(String...) - Static method in class org.apache.hadoop.util.Shell
检查给定的命令(String[])是否符合Windows的最大命令行长度限制。请注意,输入预期已包含空格分隔符,不会额外计算分隔符的长度。
children - Variable in class org.apache.hadoop.registry.client.types.RegistryPathStatus
子节点数量
CHILDREN_INFO_KEY - Static variable in class org.apache.hadoop.yarn.api.records.timelineservice.HierarchicalTimelineEntity
 
chmod(String, String) - Static method in class org.apache.hadoop.fs.FileUtil
更改文件名的权限。
chmod(String, String, boolean) - Static method in class org.apache.hadoop.fs.FileUtil
根据需要递归更改文件/目录的权限。
CLASS_PATH_SEPARATOR - Static variable in interface org.apache.hadoop.yarn.api.ApplicationConstants
该常量用于构建类路径,在容器启动时会被NodeManager替换为实际的类路径分隔符(Linux系统使用':',Windows系统使用';')。
CLASSNAME - Static variable in class org.apache.hadoop.io.compress.PassthroughCodec
编解码器的类名:"org.apache.hadoop.io.compress.PassthroughCodec"。
cleanOldLogs(Path, NodeId, UserGroupInformation) - Method in class org.apache.hadoop.yarn.logaggregation.filecontroller.LogAggregationFileController
 
cleanup(Mapper.Context) - Method in class org.apache.hadoop.mapreduce.Mapper
在任务结束时调用一次。
cleanup(Reducer.Context) - Method in class org.apache.hadoop.mapreduce.Reducer
在任务结束时调用一次。
cleanup() - Method in class org.apache.hadoop.tools.DistCp
清理由distcp创建的暂存文件夹。
cleanup() - Method in class org.apache.hadoop.yarn.applications.distributedshell.ApplicationMaster
 
cleanupJob(JobContext) - Method in class org.apache.hadoop.mapred.FileOutputCommitter
Deprecated.
cleanupJob(JobContext) - Method in class org.apache.hadoop.mapred.OutputCommitter
cleanupJob(JobContext) - Method in class org.apache.hadoop.mapred.OutputCommitter
cleanupJob(JobContext) - Method in class org.apache.hadoop.mapreduce.lib.output.BindingPathOutputCommitter
 
cleanupJob(JobContext) - Method in class org.apache.hadoop.mapreduce.lib.output.committer.manifest.ManifestCommitter
Execute the CleanupJobStage to remove the job attempt dir.
cleanupJob(JobContext) - Method in class org.apache.hadoop.mapreduce.lib.output.FileOutputCommitter
Deprecated.
cleanupJob(JobContext) - Method in class org.apache.hadoop.mapreduce.OutputCommitter
cleanUpPartialOutputForTask(TaskAttemptContext) - Method in class org.apache.hadoop.mapreduce.lib.output.PartialFileOutputCommitter
 
cleanUpPartialOutputForTask(TaskAttemptContext) - Method in interface org.apache.hadoop.mapreduce.lib.output.PartialOutputCommitter
移除该任务之前执行过程中所有已提交的输出。
cleanupProgress() - Method in class org.apache.hadoop.mapred.JobStatus
 
cleanupProgress() - Method in interface org.apache.hadoop.mapred.RunningJob
Get the progress of the job's cleanup-tasks, as a float between 0.0 and 1.0.
cleanupProgress() - Method in class org.apache.hadoop.mapreduce.Job
Get the progress of the job's cleanup-tasks, as a float between 0.0 and 1.0.
cleanupRemoteIterator(RemoteIterator) - Static method in class org.apache.hadoop.util.functional.RemoteIterators
在迭代后进行清理。
cleanupRunningContainersOnStop(boolean) - Method in class org.apache.hadoop.yarn.client.api.NMClient
设置当客户端停止时,是否应停止由该客户端启动且仍在运行的容器。
cleanupStagingDirs() - Method in class org.apache.hadoop.fs.s3a.commit.magic.MagicS3GuardCommitter
删除magic目录。
cleanUpTokenReferral(Configuration) - Static method in class org.apache.hadoop.mapreduce.security.TokenCache
移除在任务执行上下文中没有意义的jobtoken引用。
cleanupWithLogger(Logger, Closeable...) - Static method in class org.apache.hadoop.io.IOUtils
Close the Closeable objects and ignore any Throwable or null pointers.
clear() - Method in class org.apache.hadoop.conf.配置
清除配置中的所有键。
clear() - Method in class org.apache.hadoop.fs.statistics.IOStatisticsSnapshot
清除所有映射。
clear() - Method in class org.apache.hadoop.fs.statistics.MeanStatistic
将值设置为0。
clear() - Method in class org.apache.hadoop.io.MapWritable
 
clear() - Method in class org.apache.hadoop.io.SortedMapWritable
 
clear() - Method in class org.apache.hadoop.io.Text
将字符串清空。
clear() - Method in class org.apache.hadoop.mapreduce.lib.join.ArrayListBackedIterator
 
clear() - Method in interface org.apache.hadoop.mapreduce.lib.join.ResetableIterator
关闭数据源,但不释放内部资源。
clear() - Method in class org.apache.hadoop.mapreduce.lib.join.StreamBackedIterator
 
clear() - Method in class org.apache.hadoop.util.bloom.HashFunction
Clears this hash function.
CLEAR_TEXT_FALLBACK - Static variable in class org.apache.hadoop.security.alias.CredentialProvider
 
clearChanged() - Method in class org.apache.hadoop.metrics2.lib.MutableMetric
清除快照操作中的变更标志
clearMark() - Method in class org.apache.hadoop.mapreduce.MarkableIterator
 
clearQuota(Path) - Method in class org.apache.hadoop.hdfs.client.HdfsAdmin
清除目录的命名空间配额(文件、目录和符号链接的数量)。
clearQuotaByStorageType(Path, StorageType) - Method in class org.apache.hadoop.hdfs.client.HdfsAdmin
清除目录按存储类型设置的空间配额。
clearReadStatistics() - Method in class org.apache.hadoop.hdfs.client.HdfsDataInputStream
 
clearShutdownHooks() - Method in class org.apache.hadoop.util.ShutdownHookManager
清除所有已注册的shutdownHooks。
clearSpaceQuota(Path) - Method in class org.apache.hadoop.hdfs.client.HdfsAdmin
清除目录的存储空间配额(文件大小)。
clearStatistics() - Static method in class org.apache.hadoop.fs.AbstractFileSystem
 
clearStatistics() - Static method in class org.apache.hadoop.fs.FileContext
清除所有文件系统中存储在AbstractFileSystem里的统计信息。
clearStatistics() - Static method in class org.apache.hadoop.fs.FileSystem
重置所有文件系统的所有统计信息。
clearWriteAccessors() - Method in interface org.apache.hadoop.registry.client.api.RegistryOperations
清除所有写入访问器。
CLI - Class in org.apache.hadoop.mapreduce.tools
解析map reduce命令行选项
CLI() - Constructor for class org.apache.hadoop.mapreduce.tools.CLI
 
CLI(配置) - Constructor for class org.apache.hadoop.mapreduce.tools.CLI
 
客户端 - Class in org.apache.hadoop.ipc
IPC服务的客户端。
Client(Class, Configuration, SocketFactory) - Constructor for class org.apache.hadoop.ipc.Client
Construct an IPC client whose values are of the given Writable class.
Client(Class, Configuration) - Constructor for class org.apache.hadoop.ipc.Client
使用默认的SocketFactory构建一个IPC客户端。
客户端 - Class in org.apache.hadoop.tools.dynamometer
用于提交Dynamometer YARN应用程序的客户端,可选择性地提交工作负载MapReduce作业。
Client(String...) - Constructor for class org.apache.hadoop.tools.dynamometer.Client
 
客户端 - Class in org.apache.hadoop.yarn.applications.distributedshell
用于向YARN提交分布式Shell应用程序的客户端。
Client(Configuration) - Constructor for class org.apache.hadoop.yarn.applications.distributedshell.Client
 
Client() - Constructor for class org.apache.hadoop.yarn.applications.distributedshell.Client
 
client - Variable in class org.apache.hadoop.yarn.client.api.async.AMRMClientAsync
 
client - Variable in class org.apache.hadoop.yarn.client.api.async.NMClientAsync
 
CLIENT_CALL_ID_STR - Static variable in class org.apache.hadoop.ipc.CallerContext
 
CLIENT_CREDENTIALS - Static variable in class org.apache.hadoop.hdfs.web.oauth2.OAuth2Constants
 
CLIENT_FAILOVER_MAX_ATTEMPTS - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
CLIENT_FAILOVER_NO_HA_PROXY_PROVIDER - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
CLIENT_FAILOVER_PREFIX - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
CLIENT_FAILOVER_PROXY_PROVIDER - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
CLIENT_FAILOVER_RETRIES - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
CLIENT_FAILOVER_RETRIES_ON_SOCKET_TIMEOUTS - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
CLIENT_FAILOVER_SLEEPTIME_BASE_MS - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
CLIENT_FAILOVER_SLEEPTIME_MAX_MS - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
CLIENT_ID - Static variable in class org.apache.hadoop.hdfs.web.oauth2.OAuth2Constants
 
CLIENT_ID_STR - Static variable in class org.apache.hadoop.ipc.CallerContext
 
CLIENT_IP_STR - Static variable in class org.apache.hadoop.ipc.CallerContext
 
CLIENT_NM_CONNECT_MAX_WAIT_MS - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
等待与节点管理器建立连接的最长时间
CLIENT_NM_CONNECT_RETRY_INTERVAL_MS - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
每次尝试连接到节点管理器的间隔时间
CLIENT_PORT_STR - Static variable in class org.apache.hadoop.ipc.CallerContext
 
CLIENT_SECRET - Static variable in class org.apache.hadoop.hdfs.web.oauth2.OAuth2Constants
 
CLIENT_VERSION - Static variable in class org.apache.hadoop.fs.azurebfs.constants.AbfsHttpConstants
 
clientErrorEncountered() - Method in class org.apache.hadoop.fs.azure.metrics.AzureFileSystemInstrumentation
表示我们刚刚遇到了一个客户端错误。
ClientRMProxy<T> - Class in org.apache.hadoop.yarn.client
 
ClientRMSecurityInfo - Class in org.apache.hadoop.yarn.security.client
 
ClientRMSecurityInfo() - Constructor for class org.apache.hadoop.yarn.security.client.ClientRMSecurityInfo
 
ClientSCMProtocol - Interface in org.apache.hadoop.yarn.api
The protocol between clients and the SharedCacheManager to claim and release resources in the shared cache.
ClientTimelineSecurityInfo - Class in org.apache.hadoop.yarn.security.client
 
ClientTimelineSecurityInfo() - Constructor for class org.apache.hadoop.yarn.security.client.ClientTimelineSecurityInfo
 
ClientToAMTokenIdentifier - Class in org.apache.hadoop.yarn.security.client
 
ClientToAMTokenIdentifier() - Constructor for class org.apache.hadoop.yarn.security.client.ClientToAMTokenIdentifier
 
ClientToAMTokenIdentifier(ApplicationAttemptId, String) - Constructor for class org.apache.hadoop.yarn.security.client.ClientToAMTokenIdentifier
 
ClientToAMTokenSecretManager - Class in org.apache.hadoop.yarn.security.client
A simple SecretManager for AMs to validate Client-RM tokens issued to clients by the RM using the underlying master-key shared by RM to the AMs on their launch.
ClientToAMTokenSecretManager(ApplicationAttemptId, byte[]) - Constructor for class org.apache.hadoop.yarn.security.client.ClientToAMTokenSecretManager
 
时钟 - Interface in org.apache.hadoop.yarn.util
一个简单的时钟界面,为您提供时间。
clone() - Method in class org.apache.hadoop.fs.statistics.MeanStatistic
 
clone(T, Configuration) - Static method in class org.apache.hadoop.io.WritableUtils
通过序列化到缓冲区来复制可写对象。
clone() - Method in class org.apache.hadoop.mapreduce.JobStatus
 
clone() - Method in class org.apache.hadoop.record.Buffer
Deprecated.
 
clone() - Method in class org.apache.hadoop.registry.client.types.Endpoint
浅克隆:地址列表是共享的
clone() - Method in class org.apache.hadoop.registry.client.types.ServiceRecord
浅克隆:所有端点将在实例间共享
clone(ResourceRequest) - Static method in class org.apache.hadoop.yarn.api.records.ResourceRequest
克隆一个ResourceRequest对象(浅拷贝)。
clone() - Method in class org.apache.hadoop.yarn.service.api.records.Resource
 
cloneInto(Writable, Writable) - Static method in class org.apache.hadoop.io.WritableUtils
Deprecated.
use ReflectionUtils.cloneInto instead.
cloneWritableInto(Writable, Writable) - Static method in class org.apache.hadoop.util.ReflectionUtils
Deprecated.
close() - Method in class org.apache.hadoop.crypto.key.KeyProvider
实现类可用于关闭任何需要关闭的资源
close() - Method in class org.apache.hadoop.fs.AvroFSInput
 
close() - Method in class org.apache.hadoop.fs.azure.NativeAzureFileSystem
 
close() - Method in class org.apache.hadoop.fs.azurebfs.AzureBlobFileSystemStore
 
close() - Method in class org.apache.hadoop.fs.FileSystem
关闭此FileSystem实例。
close() - Method in class org.apache.hadoop.fs.FilterFileSystem
 
close() - Method in class org.apache.hadoop.fs.FSDataOutputStream
关闭底层输出流。
close() - Method in class org.apache.hadoop.fs.RawLocalFileSystem
 
close() - Method in class org.apache.hadoop.fs.s3a.auth.AssumedRoleCredentialProvider
将close()调用传播到内部的stsProvider。
close() - Method in class org.apache.hadoop.fs.s3a.auth.IAMInstanceCredentialsProvider
 
close() - Method in class org.apache.hadoop.fs.viewfs.ViewFileSystem
 
close() - Method in class org.apache.hadoop.hdfs.ReplicaAccessor
释放与ReplicaAccessor关联的资源。
close() - Method in class org.apache.hadoop.hdfs.server.aliasmap.InMemoryAliasMap
 
close() - Method in class org.apache.hadoop.hdfs.server.common.blockaliasmap.BlockAliasMap
 
close() - Method in class org.apache.hadoop.hdfs.server.common.blockaliasmap.impl.LevelDBFileRegionAliasMap
 
close() - Method in class org.apache.hadoop.hdfs.server.common.blockaliasmap.impl.TextFileRegionAliasMap
 
close() - Method in class org.apache.hadoop.hdfs.server.federation.store.driver.StateStoreDriver
关闭状态存储驱动连接。
close() - Method in class org.apache.hadoop.hdfs.server.namenode.NullBlockAliasMap
 
close() - Method in class org.apache.hadoop.io.compress.CompressionInputStream
 
close() - Method in class org.apache.hadoop.io.compress.CompressionOutputStream
 
close() - Method in class org.apache.hadoop.io.compress.CompressorStream
 
close() - Method in class org.apache.hadoop.io.compress.DecompressorStream
 
close() - Method in class org.apache.hadoop.io.DefaultStringifier
 
close() - Method in interface org.apache.hadoop.io.Stringifier
关闭此对象。
close() - Method in class org.apache.hadoop.ipc.Client
 
close() - Method in class org.apache.hadoop.mapred.JobClient
Close the JobClient.
close() - Method in class org.apache.hadoop.mapred.join.CompositeRecordReader
关闭所有子资源记录。
close() - Method in class org.apache.hadoop.mapred.join.WrappedRecordReader
将关闭请求转发至代理的RR。
close() - Method in class org.apache.hadoop.mapred.KeyValueLineRecordReader
 
close() - Method in class org.apache.hadoop.mapred.lib.aggregate.ValueAggregatorCombiner
不执行任何操作。
close() - Method in class org.apache.hadoop.mapred.lib.aggregate.ValueAggregatorJobBase
 
close() - Method in class org.apache.hadoop.mapred.lib.ChainMapper
关闭ChainMapper和链中的所有Mapper。
close() - Method in class org.apache.hadoop.mapred.lib.ChainReducer
关闭ChainReducer、Reducer以及链中的所有Mapper。
close() - Method in class org.apache.hadoop.mapred.lib.CombineFileRecordReader
 
close() - Method in class org.apache.hadoop.mapred.lib.CombineFileRecordReaderWrapper
 
close() - Method in class org.apache.hadoop.mapred.lib.FieldSelectionMapReduce
 
close() - Method in class org.apache.hadoop.mapred.lib.MultipleOutputs
关闭所有已打开的命名输出。
close() - Method in class org.apache.hadoop.mapred.MapReduceBase
默认实现,不执行任何操作。
close() - Method in interface org.apache.hadoop.mapred.RecordReader
Close this InputSplit to future operations.
close(Reporter) - Method in interface org.apache.hadoop.mapred.RecordWriter
Close this RecordWriter to future operations.
close() - Method in class org.apache.hadoop.mapred.SequenceFileAsTextRecordReader
 
close() - Method in class org.apache.hadoop.mapred.SequenceFileRecordReader
 
close() - Method in class org.apache.hadoop.mapreduce.集群
Close the Cluster.
close() - Method in class org.apache.hadoop.mapreduce.Job
Close the Job.
close() - Method in class org.apache.hadoop.mapreduce.lib.db.DBRecordReader
关闭记录读取器。
close() - Method in class org.apache.hadoop.mapreduce.lib.input.CombineFileRecordReader
 
close() - Method in class org.apache.hadoop.mapreduce.lib.input.CombineFileRecordReaderWrapper
 
close() - Method in class org.apache.hadoop.mapreduce.lib.input.KeyValueLineRecordReader
 
close() - Method in class org.apache.hadoop.mapreduce.lib.input.SequenceFileAsTextRecordReader
 
close() - Method in class org.apache.hadoop.mapreduce.lib.input.SequenceFileRecordReader
 
close() - Method in class org.apache.hadoop.mapreduce.lib.join.ArrayListBackedIterator
 
close() - Method in class org.apache.hadoop.mapreduce.lib.join.CompositeRecordReader
关闭所有子RR。
close() - Method in interface org.apache.hadoop.mapreduce.lib.join.ResetableIterator
关闭数据源并释放资源。
close() - Method in class org.apache.hadoop.mapreduce.lib.join.StreamBackedIterator
 
close() - Method in class org.apache.hadoop.mapreduce.lib.join.WrappedRecordReader
将关闭请求转发至代理的RR。
close() - Method in class org.apache.hadoop.mapreduce.lib.output.MultipleOutputs
关闭所有已打开的输出。
close() - Method in class org.apache.hadoop.mapreduce.RecordReader
关闭记录读取器。
close(TaskAttemptContext) - Method in class org.apache.hadoop.mapreduce.RecordWriter
Close this RecordWriter to future operations.
close() - Method in class org.apache.hadoop.metrics2.lib.MutableRollingAverages
 
close() - Method in class org.apache.hadoop.metrics2.sink.FileSink
 
close() - Method in class org.apache.hadoop.metrics2.sink.GraphiteSink
 
close() - Method in class org.apache.hadoop.metrics2.sink.KafkaSink
 
close() - Method in class org.apache.hadoop.metrics2.sink.RollingFileSystemSink
 
close() - Method in class org.apache.hadoop.metrics2.sink.StatsDSink
 
close() - Method in class org.apache.hadoop.service.AbstractService
close() - Method in interface org.apache.hadoop.service.Service
一个专为在Java7闭包子句中可用而设计的stop()版本。
close() - Method in class org.apache.hadoop.util.DurationInfo
 
close() - Method in class org.apache.hadoop.util.functional.CloseableTaskPoolSubmitter
关闭池。
close() - Method in class org.apache.hadoop.yarn.ContainerLogAppender
 
close() - Method in class org.apache.hadoop.yarn.logaggregation.AggregatedLogFormat.LogReader
 
Closeable - Interface in org.apache.hadoop.io
Deprecated.
use java.io.Closeable
CloseableTaskPoolSubmitter - Class in org.apache.hadoop.util.functional
一个可关闭的任务提交器,其close()调用会关闭线程池。
CloseableTaskPoolSubmitter(ExecutorService) - Constructor for class org.apache.hadoop.util.functional.CloseableTaskPoolSubmitter
构造函数。
closeAll() - Static method in class org.apache.hadoop.fs.FileSystem
关闭所有缓存的FileSystem实例。
closeAllForUGI(UserGroupInformation) - Static method in class org.apache.hadoop.fs.FileSystem
关闭给定UGI的所有缓存文件系统实例。
closeConnection() - Method in class org.apache.hadoop.mapreduce.lib.db.DBInputFormat
 
closed - Variable in class org.apache.hadoop.io.compress.CompressorStream
 
closed - Variable in class org.apache.hadoop.io.compress.DecompressorStream
 
ClosedIOException - Exception in org.apache.hadoop.fs
异常表示底层流、缓存或其他可关闭资源是否已关闭。
ClosedIOException(String, String) - Constructor for exception org.apache.hadoop.fs.ClosedIOException
将自定义错误信息附加到默认错误消息中。
CloseEvent(String, long, long) - Constructor for class org.apache.hadoop.hdfs.inotify.Event.CloseEvent
 
closePrintStream(OutputStream) - Method in class org.apache.hadoop.yarn.logaggregation.filecontroller.LogAggregationFileController
 
closeSocket(Socket) - Static method in class org.apache.hadoop.io.IOUtils
Closes the socket ignoring IOException
closeStream(Closeable) - Static method in class org.apache.hadoop.io.IOUtils
Closes the stream ignoring Throwable.
closeStreams(Closeable...) - Static method in class org.apache.hadoop.io.IOUtils
Closes the streams ignoring Throwable.
closeWriter() - Method in class org.apache.hadoop.yarn.logaggregation.filecontroller.LogAggregationFileController
关闭写入器。
closingRemoteIterator(RemoteIterator, Closeable) - Static method in class org.apache.hadoop.util.functional.RemoteIterators
这会在源迭代器支持的Closeable.close()方法之外,额外添加一个关闭操作。
集群 - Class in org.apache.hadoop.mapreduce
提供了一种访问有关map/reduce集群信息的方式。
集群(配置) - Constructor for class org.apache.hadoop.mapreduce.集群
 
Cluster(InetSocketAddress, Configuration) - Constructor for class org.apache.hadoop.mapreduce.集群
 
cluster - Variable in class org.apache.hadoop.mapreduce.tools.CLI
 
CLUSTER_FS_HOST - Static variable in interface org.apache.hadoop.yarn.service.api.ServiceApiConstants
 
CLUSTER_FS_URI - Static variable in interface org.apache.hadoop.yarn.service.api.ServiceApiConstants
 
CLUSTER_INFO_KEY - Static variable in class org.apache.hadoop.yarn.api.records.timelineservice.FlowActivityEntity
 
CLUSTER_ZK_QUORUM - Static variable in interface org.apache.hadoop.yarn.service.api.ServiceApiConstants
 
ClusterEntity - Class in org.apache.hadoop.yarn.api.records.timelineservice
该实体代表一个YARN集群。
ClusterEntity() - Constructor for class org.apache.hadoop.yarn.api.records.timelineservice.ClusterEntity
 
ClusterEntity(TimelineEntity) - Constructor for class org.apache.hadoop.yarn.api.records.timelineservice.ClusterEntity
 
ClusterMetrics - Class in org.apache.hadoop.mapreduce
关于Map-Reduce集群当前运行状态的监控信息。
ClusterMetrics() - Constructor for class org.apache.hadoop.mapreduce.ClusterMetrics
 
ClusterMetrics(int, int, int, int, int, int, int, int, int, int, int, int) - Constructor for class org.apache.hadoop.mapreduce.ClusterMetrics
 
ClusterMetrics(int, int, int, int, int, int, int, int, int, int, int, int, int) - Constructor for class org.apache.hadoop.mapreduce.ClusterMetrics
 
ClusterStatus - Class in org.apache.hadoop.mapred
关于Map-Reduce集群当前运行状态的监控信息。
ClusterStorageCapacityExceededException - Exception in org.apache.hadoop.fs
HDFS抛出的异常,表示集群文件系统中的存储容量已超出限制。
ClusterStorageCapacityExceededException() - Constructor for exception org.apache.hadoop.fs.ClusterStorageCapacityExceededException
 
ClusterStorageCapacityExceededException(String) - Constructor for exception org.apache.hadoop.fs.ClusterStorageCapacityExceededException
 
ClusterStorageCapacityExceededException(String, Throwable) - Constructor for exception org.apache.hadoop.fs.ClusterStorageCapacityExceededException
 
ClusterStorageCapacityExceededException(Throwable) - Constructor for exception org.apache.hadoop.fs.ClusterStorageCapacityExceededException
 
clusterTimestamp - Variable in class org.apache.hadoop.yarn.api.records.ReservationId
 
cmp - Variable in class org.apache.hadoop.mapreduce.lib.join.WrappedRecordReader
 
cmpcl - Variable in class org.apache.hadoop.mapred.join.Parser.Node
 
cmpcl - Variable in class org.apache.hadoop.mapreduce.lib.join.Parser.Node
 
code(Integer) - Method in class org.apache.hadoop.yarn.service.api.records.错误
 
code(Integer) - Method in class org.apache.hadoop.yarn.service.api.records.ServiceStatus
一个特定于场景的错误代码,服务所有者除了诊断信息外,还应能够使用该代码来理解故障。
CODEC_NAME_KEY - Static variable in class org.apache.hadoop.io.erasurecode.ECSchema
 
CodecConstants - Class in org.apache.hadoop.io.compress
编解码器相关常量。
CodecPool - Class in org.apache.hadoop.io.compress
一个全局的压缩/解压缩池,用于保存和复用(可能是原生的)压缩/解压缩编解码器。
CodecPool() - Constructor for class org.apache.hadoop.io.compress.CodecPool
 
collect(K, V) - Method in interface org.apache.hadoop.mapred.OutputCollector
向输出中添加一个键/值对。
CollectorInfo - Class in org.apache.hadoop.yarn.api.records
收集器信息,包含从资源管理器(RM)传递到应用管理器(AM)的分配响应中的收集器地址和收集器令牌。
CollectorInfo() - Constructor for class org.apache.hadoop.yarn.api.records.CollectorInfo
 
collectThreadLocalStates() - Method in class org.apache.hadoop.metrics2.lib.MutableRollingAverages
Collects states maintained in ThreadLocal, if any.
COLON - Static variable in class org.apache.hadoop.fs.azurebfs.constants.AbfsHttpConstants
 
COLON_MARK - Static variable in class org.apache.hadoop.hdfs.server.federation.store.driver.impl.StateStoreSerializableImpl
标记路径名中的冒号。
combine(Object[], TupleWritable) - Method in class org.apache.hadoop.mapred.join.CompositeRecordReader
 
combine(Object[], TupleWritable) - Method in class org.apache.hadoop.mapred.join.InnerJoinRecordReader
当且仅当元组已满(所有数据源都包含此键)时返回true。
combine(Object[], TupleWritable) - Method in class org.apache.hadoop.mapred.join.MultiFilterRecordReader
Default implementation offers MultiFilterRecordReader.emit(org.apache.hadoop.mapred.join.TupleWritable) every Tuple from the collector (the outer join of child RRs).
combine(Object[], TupleWritable) - Method in class org.apache.hadoop.mapred.join.OuterJoinRecordReader
从收集器发射所有内容。
combine(Object[], TupleWritable) - Method in class org.apache.hadoop.mapreduce.lib.join.CompositeRecordReader
 
combine(Object[], TupleWritable) - Method in class org.apache.hadoop.mapreduce.lib.join.InnerJoinRecordReader
当且仅当元组完整时返回true(所有数据源都包含此键)。
combine(Object[], TupleWritable) - Method in class org.apache.hadoop.mapreduce.lib.join.MultiFilterRecordReader
Default implementation offers MultiFilterRecordReader.emit(org.apache.hadoop.mapreduce.lib.join.TupleWritable) every Tuple from the collector (the outer join of child RRs).
combine(Object[], TupleWritable) - Method in class org.apache.hadoop.mapreduce.lib.join.OuterJoinRecordReader
从收集器发射所有内容。
CombineFileInputFormat<K,V> - Class in org.apache.hadoop.mapred.lib
CombineFileInputFormat() - Constructor for class org.apache.hadoop.mapred.lib.CombineFileInputFormat
默认构造函数
CombineFileInputFormat<K,V> - Class in org.apache.hadoop.mapreduce.lib.input
An abstract InputFormat that returns CombineFileSplit's in InputFormat.getSplits(JobContext) method.
CombineFileInputFormat() - Constructor for class org.apache.hadoop.mapreduce.lib.input.CombineFileInputFormat
默认构造函数
CombineFileRecordReader<K,V> - Class in org.apache.hadoop.mapred.lib
A generic RecordReader that can hand out different recordReaders for each chunk in a CombineFileSplit.
CombineFileRecordReader(JobConf, CombineFileSplit, Reporter, Class>) - Constructor for class org.apache.hadoop.mapred.lib.CombineFileRecordReader
一个通用的RecordReader,可以为CombineFileSplit中的每个数据块分配不同的recordReader。
CombineFileRecordReader<K,V> - Class in org.apache.hadoop.mapreduce.lib.input
A generic RecordReader that can hand out different recordReaders for each chunk in a CombineFileSplit.
CombineFileRecordReader(CombineFileSplit, TaskAttemptContext, Class>) - Constructor for class org.apache.hadoop.mapreduce.lib.input.CombineFileRecordReader
一个通用的RecordReader,可以为CombineFileSplit中的每个数据块分配不同的记录读取器。
CombineFileRecordReaderWrapper<K,V> - Class in org.apache.hadoop.mapred.lib
用于处理单个文件分片的记录读取器的包装类。
CombineFileRecordReaderWrapper(FileInputFormat, CombineFileSplit, Configuration, Reporter, Integer) - Constructor for class org.apache.hadoop.mapred.lib.CombineFileRecordReaderWrapper
 
CombineFileRecordReaderWrapper<K,V> - Class in org.apache.hadoop.mapreduce.lib.input
一个包装类,用于处理单个文件分片的记录读取器。
CombineFileRecordReaderWrapper(FileInputFormat, CombineFileSplit, TaskAttemptContext, Integer) - Constructor for class org.apache.hadoop.mapreduce.lib.input.CombineFileRecordReaderWrapper
 
CombineFileSplit - Class in org.apache.hadoop.mapred.lib
 
CombineFileSplit() - Constructor for class org.apache.hadoop.mapred.lib.CombineFileSplit
 
CombineFileSplit(JobConf, Path[], long[], long[], String[]) - Constructor for class org.apache.hadoop.mapred.lib.CombineFileSplit
 
CombineFileSplit(JobConf, Path[], long[]) - Constructor for class org.apache.hadoop.mapred.lib.CombineFileSplit
 
CombineFileSplit(CombineFileSplit) - Constructor for class org.apache.hadoop.mapred.lib.CombineFileSplit
复制构造函数
CombineFileSplit - Class in org.apache.hadoop.mapreduce.lib.input
输入文件的子集合。
CombineFileSplit() - Constructor for class org.apache.hadoop.mapreduce.lib.input.CombineFileSplit
默认构造函数
CombineFileSplit(Path[], long[], long[], String[]) - Constructor for class org.apache.hadoop.mapreduce.lib.input.CombineFileSplit
 
CombineFileSplit(Path[], long[]) - Constructor for class org.apache.hadoop.mapreduce.lib.input.CombineFileSplit
 
CombineFileSplit(CombineFileSplit) - Constructor for class org.apache.hadoop.mapreduce.lib.input.CombineFileSplit
复制构造函数
CombineSequenceFileInputFormat<K,V> - Class in org.apache.hadoop.mapred.lib
Input format that is a CombineFileInputFormat-equivalent for SequenceFileInputFormat.
CombineSequenceFileInputFormat() - Constructor for class org.apache.hadoop.mapred.lib.CombineSequenceFileInputFormat
 
CombineSequenceFileInputFormat<K,V> - Class in org.apache.hadoop.mapreduce.lib.input
Input format that is a CombineFileInputFormat-equivalent for SequenceFileInputFormat.
CombineSequenceFileInputFormat() - Constructor for class org.apache.hadoop.mapreduce.lib.input.CombineSequenceFileInputFormat
 
CombineTextInputFormat - Class in org.apache.hadoop.mapred.lib
Input format that is a CombineFileInputFormat-equivalent for TextInputFormat.
CombineTextInputFormat() - Constructor for class org.apache.hadoop.mapred.lib.CombineTextInputFormat
 
CombineTextInputFormat - Class in org.apache.hadoop.mapreduce.lib.input
Input format that is a CombineFileInputFormat-equivalent for TextInputFormat.
CombineTextInputFormat() - Constructor for class org.apache.hadoop.mapreduce.lib.input.CombineTextInputFormat
 
COMMA - Static variable in class org.apache.hadoop.fs.azurebfs.constants.AbfsHttpConstants
 
CommitConstants - Class in org.apache.hadoop.fs.s3a.commit
用于与提交器一起工作的常量。
commitJob(JobContext) - Method in class org.apache.hadoop.mapred.FileOutputCommitter
 
commitJob(JobContext) - Method in class org.apache.hadoop.mapred.OutputCommitter
在作业成功完成后提交作业的输出。
commitJob(JobContext) - Method in class org.apache.hadoop.mapred.OutputCommitter
该方法通过调用旧方法实现了新接口。
commitJob(JobContext) - Method in class org.apache.hadoop.mapreduce.lib.output.BindingPathOutputCommitter
 
commitJob(JobContext) - Method in class org.apache.hadoop.mapreduce.lib.output.committer.manifest.ManifestCommitter
这是大型作业提交阶段。
commitJob(JobContext) - Method in class org.apache.hadoop.mapreduce.lib.output.FileOutputCommitter
作业已完成,因此在commitJobInternal()中执行工作。
commitJob(JobContext) - Method in class org.apache.hadoop.mapreduce.OutputCommitter
在作业成功完成后提交作业的输出。
commitJobInternal(JobContext) - Method in class org.apache.hadoop.mapreduce.lib.output.FileOutputCommitter
任务已完成,因此执行以下提交操作,包括: 将所有已提交的任务移动到最终输出目录(仅限算法1)。
commitLastReInitialization(ContainerId) - Method in interface org.apache.hadoop.yarn.api.ContainerManagementProtocol
如果可能,提交最后一次重新初始化。
commitLastReInitialization(ContainerId) - Method in class org.apache.hadoop.yarn.client.api.NMClient
提交指定容器的最后一次重新初始化。
commitLastReInitializationAsync(ContainerId) - Method in class org.apache.hadoop.yarn.client.api.async.NMClientAsync
提交指定容器的最后一次重新初始化。
CommitResponse - Class in org.apache.hadoop.yarn.api.protocolrecords
对提交容器请求的响应。
CommitResponse() - Constructor for class org.apache.hadoop.yarn.api.protocolrecords.CommitResponse
 
commitTask(TaskAttemptContext) - Method in class org.apache.hadoop.fs.s3a.commit.magic.MagicS3GuardCommitter
 
commitTask(TaskAttemptContext) - Method in class org.apache.hadoop.mapred.FileOutputCommitter
 
commitTask(TaskAttemptContext) - Method in class org.apache.hadoop.mapred.OutputCommitter
将任务的临时输出提升至最终输出位置。
commitTask(TaskAttemptContext) - Method in class org.apache.hadoop.mapred.OutputCommitter
该方法通过调用旧方法实现了新接口。
commitTask(TaskAttemptContext) - Method in class org.apache.hadoop.mapreduce.lib.output.BindingPathOutputCommitter
 
commitTask(TaskAttemptContext) - Method in class org.apache.hadoop.mapreduce.lib.output.committer.manifest.ManifestCommitter
提交任务。
commitTask(TaskAttemptContext) - Method in class org.apache.hadoop.mapreduce.lib.output.FileOutputCommitter
将文件从工作目录移动到作业输出目录
commitTask(TaskAttemptContext) - Method in class org.apache.hadoop.mapreduce.OutputCommitter
将任务的临时输出提升至最终输出位置。
COMMITTER_BYTES_COMMITTED_COUNT - Static variable in class org.apache.hadoop.fs.s3a.commit.CommitterStatisticNames
已提交的数据量: "committer_bytes_committed".
COMMITTER_BYTES_COMMITTED_COUNT - Static variable in class org.apache.hadoop.mapreduce.lib.output.committer.manifest.ManifestCommitter统计指标名称
已提交的数据量: "committer_bytes_committed".
COMMITTER_COMMIT_JOB - Static variable in class org.apache.hadoop.fs.s3a.commit.CommitterStatisticNames
跟踪整个作业提交所需时间的持续时间:"committer_commit_job"。
COMMITTER_COMMIT_JOB - Static variable in class org.apache.hadoop.mapreduce.lib.output.committer.manifest.ManifestCommitter统计指标名称
跟踪整个作业提交所需时间的持续时间:"committer_commit_job"。
COMMITTER_COMMITS_ABORTED_COUNT - Static variable in class org.apache.hadoop.fs.s3a.commit.CommitterStatisticNames
中止的提交次数: "committer_commits_aborted".
COMMITTER_COMMITS_ABORTED_COUNT - Static variable in class org.apache.hadoop.mapreduce.lib.output.committer.manifest.ManifestCommitter统计指标名称
中止的提交次数: "committer_commits_aborted".
COMMITTER_COMMITS_FAILED - Static variable in class org.apache.hadoop.fs.s3a.commit.CommitterStatisticNames
提交失败的次数: "committer_commits.failures".
COMMITTER_COMMITS_FAILED - Static variable in class org.apache.hadoop.mapreduce.lib.output.committer.manifest.ManifestCommitter统计指标名称
提交失败的次数: "committer_commits.failures".
COMMITTER_COMMITS_REVERTED_COUNT - Static variable in class org.apache.hadoop.fs.s3a.commit.CommitterStatisticNames
被回退的提交次数: "committer_commits_reverted".
COMMITTER_COMMITS_REVERTED_COUNT - Static variable in class org.apache.hadoop.mapreduce.lib.output.committer.manifest.ManifestCommitter统计指标名称
被还原的提交次数: "committer_commits_reverted".
COMMITTER_FACTORY_CLASS - Static variable in class org.apache.hadoop.mapreduce.lib.output.PathOutputCommitterFactory
用于配置输出提交器工厂的配置选项名称,除非特定模式有专属配置。
COMMITTER_FACTORY_DEFAULT - Static variable in class org.apache.hadoop.mapreduce.lib.output.PathOutputCommitterFactory
默认提交器工厂名称: "org.apache.hadoop.mapreduce.lib.output.FileOutputCommitterFactory".
COMMITTER_FACTORY_SCHEME - Static variable in class org.apache.hadoop.mapreduce.lib.output.PathOutputCommitterFactory
用于每个文件系统方案提交器的Scheme前缀。
COMMITTER_FACTORY_SCHEME_PATTERN - Static variable in class org.apache.hadoop.mapreduce.lib.output.PathOutputCommitterFactory
每个文件系统方案的提交器所使用的字符串格式模式。
COMMITTER_FILE_COUNT_MEAN - Static variable in class org.apache.hadoop.fs.s3a.commit.CommitterStatisticNames
任务中的文件数量。
COMMITTER_FILE_COUNT_MEAN - Static variable in class org.apache.hadoop.mapreduce.lib.output.committer.manifest.ManifestCommitter统计指标名称
任务中的文件数量。
COMMITTER_FILE_SIZE_MEAN - Static variable in class org.apache.hadoop.fs.s3a.commit.CommitterStatisticNames
文件大小。
COMMITTER_FILE_SIZE_MEAN - Static variable in class org.apache.hadoop.mapreduce.lib.output.committer.manifest.ManifestCommitter统计指标名称
文件大小。
COMMITTER_FILES_COMMITTED_COUNT - Static variable in class org.apache.hadoop.fs.s3a.commit.CommitterStatisticNames
已提交的文件数量: "committer_files_committed".
COMMITTER_FILES_COMMITTED_COUNT - Static variable in class org.apache.hadoop.mapreduce.lib.output.committer.manifest.ManifestCommitter统计指标名称
已提交的文件数量: "committer_files_committed".
COMMITTER_NAME_DIRECTORY - Static variable in class org.apache.hadoop.fs.s3a.commit.CommitConstants
Option for CommitConstants.FS_S3A_COMMITTER_NAME: directory output committer: "directory".
COMMITTER_NAME_FILE - Static variable in class org.apache.hadoop.fs.s3a.commit.CommitConstants
Option for CommitConstants.FS_S3A_COMMITTER_NAME: classic/file output committer: "file".
COMMITTER_NAME_MAGIC - Static variable in class org.apache.hadoop.fs.s3a.commit.CommitConstants
Option for CommitConstants.FS_S3A_COMMITTER_NAME: magic output committer: "magic".
COMMITTER_NAME_PARTITIONED - Static variable in class org.apache.hadoop.fs.s3a.commit.CommitConstants
Option for CommitConstants.FS_S3A_COMMITTER_NAME: partition output committer: "partitioned".
COMMITTER_TASK_DIRECTORY_COUNT_MEAN - Static variable in class org.apache.hadoop.fs.s3a.commit.CommitterStatisticNames
任务尝试的目录计数是什么。
COMMITTER_TASK_DIRECTORY_COUNT_MEAN - Static variable in class org.apache.hadoop.mapreduce.lib.output.committer.manifest.ManifestCommitter统计指标名称
任务尝试的目录计数是什么。
COMMITTER_TASK_DIRECTORY_DEPTH_MEAN - Static variable in class org.apache.hadoop.fs.s3a.commit.CommitterStatisticNames
任务尝试的目录树深度是多少。
COMMITTER_TASK_DIRECTORY_DEPTH_MEAN - Static variable in class org.apache.hadoop.mapreduce.lib.output.committer.manifest.ManifestCommitter统计指标名称
任务尝试的目录树深度是多少。
COMMITTER_TASK_FILE_COUNT_MEAN - Static variable in class org.apache.hadoop.fs.s3a.commit.CommitterStatisticNames
任务中的文件数量。
COMMITTER_TASK_FILE_COUNT_MEAN - Static variable in class org.apache.hadoop.mapreduce.lib.output.committer.manifest.ManifestCommitter统计指标名称
任务中的文件数量。
COMMITTER_TASK_FILE_SIZE_MEAN - Static variable in class org.apache.hadoop.fs.s3a.commit.CommitterStatisticNames
任务中的文件数量。
COMMITTER_TASK_FILE_SIZE_MEAN - Static variable in class org.apache.hadoop.mapreduce.lib.output.committer.manifest.ManifestCommitter统计指标名称
任务中的文件数量。
COMMITTER_TASK_MANIFEST_FILE_SIZE - Static variable in class org.apache.hadoop.mapreduce.lib.output.committer.manifest.ManifestCommitter统计指标名称
清单文件的大小。
COMMITTER_TASKS_COMPLETED_COUNT - Static variable in class org.apache.hadoop.fs.s3a.commit.CommitterStatisticNames
"成功任务计数:: "committer_tasks_completed".
COMMITTER_TASKS_COMPLETED_COUNT - Static variable in class org.apache.hadoop.mapreduce.lib.output.committer.manifest.ManifestCommitter统计指标名称
"成功任务计数:: "committer_tasks_completed".
COMMITTER_TASKS_FAILED_COUNT - Static variable in class org.apache.hadoop.fs.s3a.commit.CommitterStatisticNames
失败任务计数: "committer_tasks_failed".
COMMITTER_TASKS_FAILED_COUNT - Static variable in class org.apache.hadoop.mapreduce.lib.output.committer.manifest.ManifestCommitter统计指标名称
失败任务计数: "committer_tasks_failed".
CommitterStatisticNames - Class in org.apache.hadoop.fs.s3a.commit
提交者的统计名称。
CommonAuditContext - Class in org.apache.hadoop.fs.audit
通用审计上下文是一个包含通用上下文信息的映射,可用于任何审计范围。
CommonConfigurationKeysPublic - Class in org.apache.hadoop.fs
该类包含公共代码中使用的配置键常量。
CommonConfigurationKeysPublic() - Constructor for class org.apache.hadoop.fs.CommonConfigurationKeysPublic
 
comparator() - Method in class org.apache.hadoop.io.SortedMapWritable
 
COMPARATOR_JCLASS - Static variable in class org.apache.hadoop.io.file.tfile.TFile
比较器前缀:java类
COMPARATOR_MEMCMP - Static variable in class org.apache.hadoop.io.file.tfile.TFile
comparator: memcmp
COMPARATOR_OPTIONS - Static variable in class org.apache.hadoop.mapreduce.lib.partition.KeyFieldBasedComparator
 
compare(byte[], int, int, byte[], int, int) - Method in interface org.apache.hadoop.io.RawComparator
以二进制形式比较两个对象。
compare(byte[], int, int, byte[], int, int) - Method in class org.apache.hadoop.io.WritableComparator
优化钩子。
compare(WritableComparable, WritableComparable) - Method in class org.apache.hadoop.io.WritableComparator
比较两个WritableComparables。
compare(Object, Object) - Method in class org.apache.hadoop.io.WritableComparator
比较两个对象。
compare(byte[], int, int, byte[], int, int) - Method in class org.apache.hadoop.mapreduce.lib.partition.KeyFieldBasedComparator
 
compare(byte[], int, int, byte[], int, int) - Method in class org.apache.hadoop.record.RecordComparator
Deprecated.
 
compare(ReservationRequest, ReservationRequest) - Method in class org.apache.hadoop.yarn.api.records.ReservationRequest.ReservationRequestComparator
 
compare(ResourceRequest, ResourceRequest) - Method in class org.apache.hadoop.yarn.api.records.ResourceRequest.ResourceRequestComparator
 
compareBytes(byte[], int, int, byte[], int, int) - Static method in class org.apache.hadoop.io.WritableComparator
二进制数据的字典序。
compareBytes(byte[], int, int, byte[], int, int) - Static method in class org.apache.hadoop.record.Utils
Deprecated.
二进制数据的字典序。
compareFs(FileSystem, FileSystem) - Static method in class org.apache.hadoop.fs.FileUtil
 
compareTo(FileStatus) - Method in class org.apache.hadoop.fs.FileStatus
根据路径的字典顺序将此FileStatus与另一个FileStatus进行比较。
compareTo(Object) - Method in class org.apache.hadoop.fs.FileStatus
根据路径的字典顺序将此FileStatus与另一个FileStatus进行比较。
compareTo(FileStatus) - Method in class org.apache.hadoop.fs.LocatedFileStatus
将此FileStatus与另一个FileStatus进行比较
compareTo(Path) - Method in class org.apache.hadoop.fs.Path
 
compareTo(BinaryComparable) - Method in class org.apache.hadoop.io.BinaryComparable
比较来自{#getBytes()}的字节。
compareTo(byte[], int, int) - Method in class org.apache.hadoop.io.BinaryComparable
将{#getBytes()}的字节与提供的字节进行比较。
compareTo(BooleanWritable) - Method in class org.apache.hadoop.io.BooleanWritable
 
compareTo(ByteWritable) - Method in class org.apache.hadoop.io.ByteWritable
比较两个ByteWritable。
compareTo(DoubleWritable) - Method in class org.apache.hadoop.io.DoubleWritable
 
compareTo(FloatWritable) - Method in class org.apache.hadoop.io.FloatWritable
比较两个FloatWritable。
compareTo(IntWritable) - Method in class org.apache.hadoop.io.IntWritable
比较两个IntWritable类型。
compareTo(LongWritable) - Method in class org.apache.hadoop.io.LongWritable
比较两个LongWritable类型。
compareTo(MD5Hash) - Method in class org.apache.hadoop.io.MD5Hash
将此对象与指定对象进行比较以确定顺序。
compareTo(NullWritable) - Method in class org.apache.hadoop.io.NullWritable
 
compareTo(ShortWritable) - Method in class org.apache.hadoop.io.ShortWritable
比较两个ShortWritable。
compareTo(VIntWritable) - Method in class org.apache.hadoop.io.VIntWritable
比较两个VIntWritables。
compareTo(VLongWritable) - Method in class org.apache.hadoop.io.VLongWritable
比较两个VLongWritable。
compareTo(ComposableRecordReader) - Method in class org.apache.hadoop.mapred.join.CompositeRecordReader
实现Comparable契约(将连接键或堆顶元素与另一个进行比较)。
compareTo(ComposableRecordReader) - Method in class org.apache.hadoop.mapred.join.WrappedRecordReader
实现Comparable合约(比较代理RR头部的键与另一个的键)。
compareTo(ID) - Method in class org.apache.hadoop.mapreduce.ID
通过关联数字比较ID
compareTo(ID) - Method in class org.apache.hadoop.mapreduce.JobID
首先通过jtIdentifiers比较JobIds,然后通过作业编号比较
compareTo(ComposableRecordReader) - Method in class org.apache.hadoop.mapreduce.lib.join.CompositeRecordReader
实现Comparable契约(比较连接键或堆顶元素与另一个元素的键)。
compareTo(ComposableRecordReader) - Method in class org.apache.hadoop.mapreduce.lib.join.WrappedRecordReader
实现Comparable合约(比较代理RR头部的键与另一个的键)。
compareTo(ID) - Method in class org.apache.hadoop.mapreduce.TaskAttemptID
通过首先比较tipIds,然后比较任务编号来对比TaskIds。
compareTo(ID) - Method in class org.apache.hadoop.mapreduce.TaskID
首先按作业ID比较TaskInProgressIds,然后按任务编号比较。
compareTo(Object) - Method in class org.apache.hadoop.record.Buffer
Deprecated.
定义缓冲区的排序顺序。
compareTo(Object) - Method in class org.apache.hadoop.record.Record
Deprecated.
 
compareTo(ApplicationAttemptId) - Method in class org.apache.hadoop.yarn.api.records.ApplicationAttemptId
 
compareTo(ApplicationId) - Method in class org.apache.hadoop.yarn.api.records.ApplicationId
 
compareTo(ContainerId) - Method in class org.apache.hadoop.yarn.api.records.ContainerId
 
compareTo(NodeId) - Method in class org.apache.hadoop.yarn.api.records.NodeId
 
compareTo(NodeLabel) - Method in class org.apache.hadoop.yarn.api.records.NodeLabel
 
compareTo(Priority) - Method in class org.apache.hadoop.yarn.api.records.优先级
 
compareTo(ReservationId) - Method in class org.apache.hadoop.yarn.api.records.ReservationId
 
compareTo(ReservationRequest) - Method in class org.apache.hadoop.yarn.api.records.ReservationRequest
 
compareTo(Resource) - Method in class org.apache.hadoop.yarn.api.records.Resource
 
compareTo(ResourceRequest) - Method in class org.apache.hadoop.yarn.api.records.ResourceRequest
 
compareTo(TimelineEntity) - Method in class org.apache.hadoop.yarn.api.records.timeline.TimelineEntity
 
compareTo(TimelineEntityGroupId) - Method in class org.apache.hadoop.yarn.api.records.timeline.TimelineEntityGroupId
 
compareTo(TimelineEvent) - Method in class org.apache.hadoop.yarn.api.records.timeline.TimelineEvent
 
compareTo(TimelineEntity) - Method in class org.apache.hadoop.yarn.api.records.timelineservice.FlowActivityEntity
 
compareTo(TimelineEntity) - Method in class org.apache.hadoop.yarn.api.records.timelineservice.TimelineEntity
 
compareTo(TimelineEvent) - Method in class org.apache.hadoop.yarn.api.records.timelineservice.TimelineEvent
 
compile(String) - Method in class org.apache.hadoop.metrics2.filter.GlobFilter
 
compile(String) - Method in class org.apache.hadoop.metrics2.filter.RegexFilter
 
complete(UploadHandle, Path, Map) - Method in interface org.apache.hadoop.fs.MultipartUploader
完成一个多部分上传。
completeBootstrapTransfer(File) - Static method in class org.apache.hadoop.hdfs.server.aliasmap.InMemoryAliasMap
解压别名映射归档文件以完成引导过程。
completeLocalOutput(Path, Path) - Method in class org.apache.hadoop.fs.ChecksumFileSystem
 
completeLocalOutput(Path, Path) - Method in class org.apache.hadoop.fs.FileSystem
在所有写入目标操作完成后调用。
completeLocalOutput(Path, Path) - Method in class org.apache.hadoop.fs.FilterFileSystem
在所有写入目标操作完成后调用。
completeLocalOutput(Path, Path) - Method in class org.apache.hadoop.fs.RawLocalFileSystem
 
COMPLETION_POLL_INTERVAL_KEY - Static variable in class org.apache.hadoop.mapreduce.Job
设置 completionPollInvervalMillis 的 mapred-*.xml 中的键
组件 - Static variable in class org.apache.hadoop.fs.s3a.TemporaryAWSCredentialsProvider
 
Component - Class in org.apache.hadoop.yarn.service.api.records
服务的一个或多个组件。
Component() - Constructor for class org.apache.hadoop.yarn.service.api.records.组件
 
COMPONENT_ID - Static variable in interface org.apache.hadoop.yarn.service.api.ServiceApiConstants
 
COMPONENT_INSTANCE_HOST - Static variable in interface org.apache.hadoop.yarn.service.api.ServiceApiConstants
 
COMPONENT_INSTANCE_IP - Static variable in interface org.apache.hadoop.yarn.service.api.ServiceApiConstants
 
COMPONENT_INSTANCE_NAME - Static variable in interface org.apache.hadoop.yarn.service.api.ServiceApiConstants
 
COMPONENT_NAME - Static variable in interface org.apache.hadoop.yarn.service.api.ServiceApiConstants
 
COMPONENT_NAME_LC - Static variable in interface org.apache.hadoop.yarn.service.api.ServiceApiConstants
 
组件容器 - Class in org.apache.hadoop.yarn.service.api.records
组件的容器。
ComponentContainers() - Constructor for class org.apache.hadoop.yarn.service.api.records.ComponentContainers
 
componentInstanceName(String) - Method in class org.apache.hadoop.yarn.service.api.records.Container
该容器实例所属的组件实例名称。
componentListPath(String, String, String) - Static method in class org.apache.hadoop.registry.client.binding.RegistryUtils
为服务下的组件列表创建路径
componentPath(String, String, String, String) - Static method in class org.apache.hadoop.registry.client.binding.RegistryUtils
为组件创建服务记录的路径
components(List) - Method in class org.apache.hadoop.yarn.service.api.records.Service
服务的组成部分。
ComponentState - Enum in org.apache.hadoop.yarn.service.api.records
 
ComposableInputFormat<K extends WritableComparable,V extends Writable> - Interface in org.apache.hadoop.mapred.join
对InputFormat的改进,要求实现者提供ComposableRecordReader而非RecordReader。
ComposableInputFormat<K extends WritableComparable<?>,V extends Writable> - Class in org.apache.hadoop.mapreduce.lib.join
对InputFormat的改进,要求实现者提供ComposableRecordReader而非RecordReader。
ComposableInputFormat() - Constructor for class org.apache.hadoop.mapreduce.lib.join.ComposableInputFormat
 
ComposableRecordReader<K extends WritableComparable,V extends Writable> - Interface in org.apache.hadoop.mapred.join
参与连接操作时,RecordReader需要执行的额外操作。
ComposableRecordReader<K extends WritableComparable<?>,V extends Writable> - Class in org.apache.hadoop.mapreduce.lib.join
参与连接操作时,RecordReader需要执行的额外操作。
ComposableRecordReader() - Constructor for class org.apache.hadoop.mapreduce.lib.join.ComposableRecordReader
 
compose(Class, String) - Static method in class org.apache.hadoop.mapred.join.CompositeInputFormat
用于构建复合格式的便捷方法。
compose(String, Class, String...) - Static method in class org.apache.hadoop.mapred.join.CompositeInputFormat
用于构建复合格式的便捷方法。
compose(String, Class, Path...) - Static method in class org.apache.hadoop.mapred.join.CompositeInputFormat
用于构建复合格式的便捷方法。
compose(Class, String) - Static method in class org.apache.hadoop.mapreduce.lib.join.CompositeInputFormat
用于构建复合格式的便捷方法。
compose(String, Class, String...) - Static method in class org.apache.hadoop.mapreduce.lib.join.CompositeInputFormat
用于构建复合格式的便捷方法。
compose(String, Class, Path...) - Static method in class org.apache.hadoop.mapreduce.lib.join.CompositeInputFormat
用于构建复合格式的便捷方法。
CompositeInputFormat<K extends WritableComparable> - Class in org.apache.hadoop.mapred.join
一种能够对按相同方式排序和分区的数据源集合执行连接的InputFormat。
CompositeInputFormat() - Constructor for class org.apache.hadoop.mapred.join.CompositeInputFormat
 
CompositeInputFormat<K extends WritableComparable> - Class in org.apache.hadoop.mapreduce.lib.join
一种能够对一组按相同方式排序和分区的数据源执行连接的InputFormat。
CompositeInputFormat() - Constructor for class org.apache.hadoop.mapreduce.lib.join.CompositeInputFormat
 
CompositeInputSplit - Class in org.apache.hadoop.mapred.join
此InputSplit包含一组子InputSplits。
CompositeInputSplit() - Constructor for class org.apache.hadoop.mapred.join.CompositeInputSplit
 
CompositeInputSplit(int) - Constructor for class org.apache.hadoop.mapred.join.CompositeInputSplit
 
CompositeInputSplit - Class in org.apache.hadoop.mapreduce.lib.join
此InputSplit包含一组子InputSplit。
CompositeInputSplit() - Constructor for class org.apache.hadoop.mapreduce.lib.join.CompositeInputSplit
 
CompositeInputSplit(int) - Constructor for class org.apache.hadoop.mapreduce.lib.join.CompositeInputSplit
 
CompositeRecordReader<K extends WritableComparable,V extends Writable,X extends Writable> - Class in org.apache.hadoop.mapred.join
一个RecordReader,能够对共享相同键类型和分区的RecordReader执行连接操作。
CompositeRecordReader(int, int, Class) - Constructor for class org.apache.hadoop.mapred.join.CompositeRecordReader
Create a RecordReader with capacity children to position id in the parent reader.
CompositeRecordReader<K extends WritableComparable<?>,V extends Writable,X extends Writable> - Class in org.apache.hadoop.mapreduce.lib.join
一个RecordReader,能够对共享相同键类型和分区的RecordReader执行连接操作。
CompositeRecordReader(int, int, Class) - Constructor for class org.apache.hadoop.mapreduce.lib.join.CompositeRecordReader
Create a RecordReader with capacity children to position id in the parent reader.
CompositeService - Class in org.apache.hadoop.service
服务组合。
CompositeService(String) - Constructor for class org.apache.hadoop.service.CompositeService
 
compress() - Method in class org.apache.hadoop.io.compress.BlockCompressorStream
 
compress(byte[], int, int) - Method in interface org.apache.hadoop.io.compress.Compressor
用压缩数据填充指定的缓冲区。
compress() - Method in class org.apache.hadoop.io.compress.CompressorStream
 
COMPRESS - Static variable in class org.apache.hadoop.mapreduce.lib.output.FileOutputFormat
配置选项:输出是否应压缩?"mapreduce.output.fileoutputformat.compress"。
COMPRESS_CODEC - Static variable in class org.apache.hadoop.mapreduce.lib.output.FileOutputFormat
如果启用了压缩,编解码器名称:"mapreduce.output.fileoutputformat.compress.codec"。
COMPRESS_TYPE - Static variable in class org.apache.hadoop.mapreduce.lib.output.FileOutputFormat
压缩类型 "mapreduce.output.fileoutputformat.compress.type": NONE, RECORD, BLOCK.
CompressedWritable - Class in org.apache.hadoop.io
一个用于Writable的基类,它以压缩形式存储自身,并在字段访问时惰性解压。
CompressedWritable() - Constructor for class org.apache.hadoop.io.CompressedWritable
 
compressFiles(Collection, File, String) - Static method in class org.apache.hadoop.yarn.service.client.ServiceClient
将输入文件压缩(tar)到输出文件。
COMPRESSION_GZ - Static variable in class org.apache.hadoop.io.file.tfile.TFile
压缩方式: gzip
COMPRESSION_LZO - Static variable in class org.apache.hadoop.io.file.tfile.TFile
压缩: lzo
COMPRESSION_NONE - Static variable in class org.apache.hadoop.io.file.tfile.TFile
压缩: 无
COMPRESSION_OPT_GZIP - Static variable in class org.apache.hadoop.fs.s3a.select.SelectConstants
Deprecated.
Gzipped压缩格式。
COMPRESSION_OPT_NONE - Static variable in class org.apache.hadoop.fs.s3a.select.SelectConstants
Deprecated.
无压缩。
CompressionCodec - Interface in org.apache.hadoop.io.compress
该类封装了一个流式压缩/解压缩对。
CompressionCodecFactory - Class in org.apache.hadoop.io.compress
一个能够为给定文件名找到正确编解码器的工厂。
CompressionCodecFactory(Configuration) - Constructor for class org.apache.hadoop.io.compress.CompressionCodecFactory
查找配置值 io.compression.codecs 中指定的编解码器并进行注册。
CompressionInputStream - Class in org.apache.hadoop.io.compress
一个压缩输入流。
CompressionInputStream(InputStream) - Constructor for class org.apache.hadoop.io.compress.CompressionInputStream
创建一个压缩输入流,从给定的流中读取解压后的字节。
CompressionOutputStream - Class in org.apache.hadoop.io.compress
一个压缩输出流。
CompressionOutputStream(OutputStream) - Constructor for class org.apache.hadoop.io.compress.CompressionOutputStream
创建一个压缩输出流,将压缩后的字节写入给定的流。
压缩器 - Interface in org.apache.hadoop.io.compress
Specification of a stream-based 'compressor' which can be plugged into a CompressionOutputStream to compress data.
compressor - Variable in class org.apache.hadoop.io.compress.CompressorStream
 
CompressorStream - Class in org.apache.hadoop.io.compress
 
CompressorStream(OutputStream, Compressor, int) - Constructor for class org.apache.hadoop.io.compress.CompressorStream
 
CompressorStream(OutputStream, Compressor) - Constructor for class org.apache.hadoop.io.compress.CompressorStream
 
CompressorStream(OutputStream) - Constructor for class org.apache.hadoop.io.compress.CompressorStream
允许派生类直接设置底层流。
computeChecksum(InputStream) - Method in interface org.apache.hadoop.yarn.sharedcache.SharedCacheChecksum
计算传入输入流的校验和。
computeSplitSize(long, long, long) - Method in class org.apache.hadoop.mapred.FileInputFormat
 
computeSplitSize(long, long, long) - Method in class org.apache.hadoop.mapreduce.lib.input.FileInputFormat
 
concat(Path, Path[]) - Method in class org.apache.hadoop.fs.adl.AdlFileSystem
将现有文件连接在一起。
concat(Path, Path[]) - Method in class org.apache.hadoop.fs.ChecksumFileSystem
 
concat(Path, Path[]) - Method in class org.apache.hadoop.fs.FileSystem
将现有文件连接在一起。
concat(Path, Path[]) - Method in class org.apache.hadoop.fs.FilterFileSystem
 
concat(Path, Path[]) - Method in class org.apache.hadoop.fs.RawLocalFileSystem
 
ConcurrentWriteOperationDetectedException - Exception in org.apache.hadoop.fs.azurebfs.contracts.exceptions
当检测到并发写入操作时抛出。
ConcurrentWriteOperationDetectedException(String) - Constructor for exception org.apache.hadoop.fs.azurebfs.contracts.exceptions.ConcurrentWriteOperationDetectedException
 
conditions - Variable in class org.apache.hadoop.mapreduce.lib.db.DBInputFormat
 
conf - Variable in class org.apache.hadoop.mapred.SequenceFileRecordReader
 
conf - Variable in class org.apache.hadoop.mapreduce.lib.input.SequenceFileRecordReader
 
conf - Variable in class org.apache.hadoop.mapreduce.lib.join.CompositeRecordReader
 
conf - Variable in class org.apache.hadoop.yarn.logaggregation.filecontroller.LogAggregationFileController
 
CONF_KEY_HEADER - Static variable in enum org.apache.hadoop.fs.StorageType
 
CONF_PATH_ARG - Static variable in class org.apache.hadoop.tools.dynamometer.Client
 
ConfCredentialBasedAccessTokenProvider - Class in org.apache.hadoop.hdfs.web.oauth2
Obtain an access token via a a credential (provided through the Configuration) using the 客户端凭证授权工作流.
ConfCredentialBasedAccessTokenProvider() - Constructor for class org.apache.hadoop.hdfs.web.oauth2.ConfCredentialBasedAccessTokenProvider
 
ConfCredentialBasedAccessTokenProvider(Timer) - Constructor for class org.apache.hadoop.hdfs.web.oauth2.ConfCredentialBasedAccessTokenProvider
 
CONFIG_NODE_DESCRIPTOR_PROVIDER - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
ConfigFile - Class in org.apache.hadoop.yarn.service.api.records
需要创建并作为卷在服务组件容器中提供的配置文件。
ConfigFile() - Constructor for class org.apache.hadoop.yarn.service.api.records.ConfigFile
 
ConfigFormat - Enum in org.apache.hadoop.yarn.service.api.records
 
可配置 - Interface in org.apache.hadoop.conf
Something that may be configured with a Configuration.
配置 - Class in org.apache.hadoop.conf
提供对配置参数的访问。
Configuration() - Constructor for class org.apache.hadoop.conf.配置
一个新的配置。
配置(布尔值) - Constructor for class org.apache.hadoop.conf.配置
一个新的配置选项,可以关闭从默认资源读取的行为。
配置(Configuration) - Constructor for class org.apache.hadoop.conf.配置
从另一个配置克隆而来,具有相同设置的新配置。
configuration(Configuration) - Method in class org.apache.hadoop.yarn.service.api.records.组件
该组件的配置属性。
配置 - Class in org.apache.hadoop.yarn.service.api.records
一组可通过环境变量、文件和自定义可插拔辅助docker容器注入到服务组件中的配置属性。
Configuration() - Constructor for class org.apache.hadoop.yarn.service.api.records.配置
 
configuration(Configuration) - Method in class org.apache.hadoop.yarn.service.api.records.Service
服务的配置属性。
ConfigurationException - Exception in org.apache.hadoop.yarn.exceptions
此异常在遇到不可恢复的配置错误时抛出。
ConfigurationException(Throwable) - Constructor for exception org.apache.hadoop.yarn.exceptions.ConfigurationException
 
ConfigurationException(String) - Constructor for exception org.apache.hadoop.yarn.exceptions.ConfigurationException
 
ConfigurationException(String, Throwable) - Constructor for exception org.apache.hadoop.yarn.exceptions.ConfigurationException
 
ConfigurationKeys - Class in org.apache.hadoop.fs.azurebfs.constants
负责在Hadoop配置文件中维护所有Azure Blob文件系统配置键。
ConfigurationPropertyNotFoundException - Exception in org.apache.hadoop.fs.azurebfs.contracts.exceptions
当搜索的元素未找到时抛出
ConfigurationPropertyNotFoundException(String) - Constructor for exception org.apache.hadoop.fs.azurebfs.contracts.exceptions.ConfigurationPropertyNotFoundException
 
configure(HttpURLConnection) - Method in class org.apache.hadoop.hdfs.web.oauth2.OAuth2ConnectionConfigurator
 
configure(HttpURLConnection) - Method in class org.apache.hadoop.hdfs.web.SSLConnectionConfigurator
 
configure(JobConf) - Method in class org.apache.hadoop.mapred.FixedLengthInputFormat
 
configure(JobConf) - Method in interface org.apache.hadoop.mapred.JobConfigurable
Initializes a new instance from a JobConf.
configure(JobConf) - Method in class org.apache.hadoop.mapred.KeyValueTextInputFormat
 
configure(JobConf) - Method in class org.apache.hadoop.mapred.lib.aggregate.UserDefinedValueAggregatorDescriptor
不执行任何操作。
configure(JobConf) - Method in class org.apache.hadoop.mapred.lib.aggregate.ValueAggregatorBaseDescriptor
获取输入文件名。
configure(JobConf) - Method in class org.apache.hadoop.mapred.lib.aggregate.ValueAggregatorCombiner
Combiner无需配置。
configure(JobConf) - Method in interface org.apache.hadoop.mapred.lib.aggregate.ValueAggregatorDescriptor
配置对象
configure(JobConf) - Method in class org.apache.hadoop.mapred.lib.aggregate.ValueAggregatorJobBase
 
configure(JobConf) - Method in class org.apache.hadoop.mapred.lib.BinaryPartitioner
 
configure(JobConf) - Method in class org.apache.hadoop.mapred.lib.ChainMapper
配置ChainMapper以及链中的所有Mapper。
configure(JobConf) - Method in class org.apache.hadoop.mapred.lib.ChainReducer
配置ChainReducer、Reducer以及链中的所有Mapper。
configure(JobConf) - Method in class org.apache.hadoop.mapred.lib.db.DBInputFormat
Initializes a new instance from a JobConf.
configure(JobConf) - Method in class org.apache.hadoop.mapred.lib.FieldSelectionMapReduce
 
configure(JobConf) - Method in class org.apache.hadoop.mapred.lib.HashPartitioner
 
configure(JobConf) - Method in class org.apache.hadoop.mapred.lib.KeyFieldBasedComparator
 
configure(JobConf) - Method in class org.apache.hadoop.mapred.lib.KeyFieldBasedPartitioner
 
configure(JobConf) - Method in class org.apache.hadoop.mapred.lib.MultithreadedMapRunner
 
configure(JobConf) - Method in class org.apache.hadoop.mapred.lib.NLineInputFormat
 
configure(JobConf) - Method in class org.apache.hadoop.mapred.lib.RegexMapper
 
configure(JobConf) - Method in class org.apache.hadoop.mapred.lib.TotalOrderPartitioner
 
configure(JobConf) - Method in class org.apache.hadoop.mapred.MapReduceBase
默认实现,不执行任何操作。
configure(JobConf) - Method in class org.apache.hadoop.mapred.MapRunner
 
configure(JobConf) - Method in class org.apache.hadoop.mapred.TextInputFormat
 
configure(Configuration) - Method in class org.apache.hadoop.mapreduce.lib.aggregate.UserDefinedValueAggregatorDescriptor
不执行任何操作。
configure(Configuration) - Method in class org.apache.hadoop.mapreduce.lib.aggregate.ValueAggregatorBaseDescriptor
获取输入文件名。
configure(Configuration) - Method in interface org.apache.hadoop.mapreduce.lib.aggregate.ValueAggregatorDescriptor
配置对象
已配置 - Class in org.apache.hadoop.conf
Base class for things that may be configured with a Configuration.
Configured() - Constructor for class org.apache.hadoop.conf.已配置
构建一个配置对象。
已配置(配置) - Constructor for class org.apache.hadoop.conf.已配置
构建一个配置对象。
configureDB(JobConf, String, String, String, String) - Static method in class org.apache.hadoop.mapred.lib.db.DBConfiguration
在JobConf中设置与数据库访问相关的字段。
configureDB(JobConf, String, String) - Static method in class org.apache.hadoop.mapred.lib.db.DBConfiguration
在JobConf中设置与数据库访问相关的字段。
configureDB(Configuration, String, String, String, String) - Static method in class org.apache.hadoop.mapreduce.lib.db.DBConfiguration
Sets the DB access related fields in the Configuration.
configureDB(Configuration, String, String) - Static method in class org.apache.hadoop.mapreduce.lib.db.DBConfiguration
在JobConf中设置与数据库访问相关的字段。
confirmPrompt(String) - Static method in class org.apache.hadoop.util.ToolRunner
向用户显示提示信息,如果用户响应为"y"或"yes"则返回true。
CONFLICT_MODE_APPEND - Static variable in class org.apache.hadoop.fs.s3a.commit.CommitConstants
冲突模式: "append"。
CONFLICT_MODE_FAIL - Static variable in class org.apache.hadoop.fs.s3a.commit.CommitConstants
冲突模式:"失败"。
CONFLICT_MODE_REPLACE - Static variable in class org.apache.hadoop.fs.s3a.commit.CommitConstants
冲突模式:"替换"。
ConfRefreshTokenBasedAccessTokenProvider - Class in org.apache.hadoop.hdfs.web.oauth2
Supply a access token obtained via a refresh token (provided through the Configuration using the second half of the 授权码授予工作流程.
ConfRefreshTokenBasedAccessTokenProvider() - Constructor for class org.apache.hadoop.hdfs.web.oauth2.ConfRefreshTokenBasedAccessTokenProvider
 
ConfRefreshTokenBasedAccessTokenProvider(Timer) - Constructor for class org.apache.hadoop.hdfs.web.oauth2.ConfRefreshTokenBasedAccessTokenProvider
 
connection - Variable in class org.apache.hadoop.mapreduce.lib.db.DBInputFormat
 
CONNECTION_ACQUISITION_TIMEOUT - Static variable in class org.apache.hadoop.fs.s3a.常量
从连接池获取连接的超时时间: "fs.s3a.connection.acquisition.timeout"。
CONNECTION_IDLE_TIME - Static variable in class org.apache.hadoop.fs.s3a.常量
连接池中连接的最大空闲时间:"fs.s3a.connection.idle.time"。
CONNECTION_KEEPALIVE - Static variable in class org.apache.hadoop.fs.s3a.常量
是否应在套接字上启用TCP Keepalive? 这会增加一些网络IO,但能更快发现故障。
CONNECTION_TTL - Static variable in class org.apache.hadoop.fs.s3a.常量
配置选项,用于设置从连接池中S3 HTTP连接的过期时间:"fs.s3a.connection.ttl"。
ConnectTimeoutException - Exception in org.apache.hadoop.net
Thrown by NetUtils.connect(java.net.Socket, java.net.SocketAddress, int) if it times out while connecting to the remote host.
ConnectTimeoutException(String) - Constructor for exception org.apache.hadoop.net.ConnectTimeoutException
 
常量 - Class in org.apache.hadoop.fs.s3a
Constants used with the S3AFileSystem.
constraints(List) - Method in class org.apache.hadoop.yarn.service.api.records.PlacementPolicy
放置约束详情。
constructOutputStream(DataOutput) - Static method in class org.apache.hadoop.io.DataOutputOutputStream
从给定的DataOutput构造一个OutputStream。
constructQuery(String, String[]) - Method in class org.apache.hadoop.mapreduce.lib.db.DBOutputFormat
构建用作插入数据的预处理语句的查询。
Container - Class in org.apache.hadoop.yarn.api.records
Container represents an allocated resource in the cluster.
Container() - Constructor for class org.apache.hadoop.yarn.api.records.Container
 
Container - Class in org.apache.hadoop.yarn.service.api.records
一个正在运行的服务容器的实例。
Container() - Constructor for class org.apache.hadoop.yarn.service.api.records.Container
 
CONTAINER_ID - Static variable in interface org.apache.hadoop.yarn.service.api.ServiceApiConstants
 
CONTAINER_ID_BITMASK - Static variable in class org.apache.hadoop.yarn.api.records.ContainerId
 
CONTAINER_PREFIX - Static variable in class org.apache.hadoop.yarn.util.ConverterUtils
 
CONTAINER_TOKEN_FILE_ENV_NAME - Static variable in interface org.apache.hadoop.yarn.api.ApplicationConstants
容器令牌写入的缓存文件
ContainerEntity - Class in org.apache.hadoop.yarn.api.records.timelineservice
该实体表示属于某个应用程序尝试的容器。
ContainerEntity() - Constructor for class org.apache.hadoop.yarn.api.records.timelineservice.ContainerEntity
 
ContainerEntity(TimelineEntity) - Constructor for class org.apache.hadoop.yarn.api.records.timelineservice.ContainerEntity
 
ContainerExitStatus - Class in org.apache.hadoop.yarn.api.records
容器退出状态码,表示特殊的退出情况。
ContainerExitStatus() - Constructor for class org.apache.hadoop.yarn.api.records.ContainerExitStatus
 
ContainerId - Class in org.apache.hadoop.yarn.api.records
ContainerId represents a globally unique identifier for a Container in the cluster.
ContainerId() - Constructor for class org.apache.hadoop.yarn.api.records.ContainerId
 
ContainerLaunchContext - Class in org.apache.hadoop.yarn.api.records
ContainerLaunchContext represents all of the information needed by the NodeManager to launch a container.
ContainerLaunchContext() - Constructor for class org.apache.hadoop.yarn.api.records.ContainerLaunchContext
 
ContainerLogAppender - Class in org.apache.hadoop.yarn
一个简单的log4j附加器,用于容器的日志记录。
ContainerLogAppender() - Constructor for class org.apache.hadoop.yarn.ContainerLogAppender
 
ContainerManagementProtocol - Interface in org.apache.hadoop.yarn.api
The protocol between an ApplicationMaster and a NodeManager to start/stop and increase resource of containers and to get status of running containers.
ContainerManagerSecurityInfo - Class in org.apache.hadoop.yarn.security
 
ContainerManagerSecurityInfo() - Constructor for class org.apache.hadoop.yarn.security.ContainerManagerSecurityInfo
 
ContainerNotFoundException - Exception in org.apache.hadoop.yarn.exceptions
This exception is thrown on (GetContainerReportRequest) API when the container doesn't exist in AHS
ContainerNotFoundException(Throwable) - Constructor for exception org.apache.hadoop.yarn.exceptions.ContainerNotFoundException
 
ContainerNotFoundException(String) - Constructor for exception org.apache.hadoop.yarn.exceptions.ContainerNotFoundException
 
ContainerNotFoundException(String, Throwable) - Constructor for exception org.apache.hadoop.yarn.exceptions.ContainerNotFoundException
 
ContainerReport - Class in org.apache.hadoop.yarn.api.records
ContainerReport is a report of an container.
ContainerReport() - Constructor for class org.apache.hadoop.yarn.api.records.ContainerReport
 
ContainerRetryContext - Class in org.apache.hadoop.yarn.api.records
ContainerRetryContext indicates how container retry after it fails to run.
ContainerRetryContext() - Constructor for class org.apache.hadoop.yarn.api.records.ContainerRetryContext
 
ContainerRetryPolicy - Enum in org.apache.hadoop.yarn.api.records
Retry policy for relaunching a Container.
ContainerRollingLogAppender - Class in org.apache.hadoop.yarn
一个简单的log4j附加器,用于容器的日志。
ContainerRollingLogAppender() - Constructor for class org.apache.hadoop.yarn.ContainerRollingLogAppender
 
containers(List) - Method in class org.apache.hadoop.yarn.service.api.records.ComponentContainers
设置容器。
ContainerState - Enum in org.apache.hadoop.yarn.api.records
State of a Container.
ContainerState - Enum in org.apache.hadoop.yarn.service.api.records
应用程序容器的当前状态。
ContainerStatus - Class in org.apache.hadoop.yarn.api.records
ContainerStatus represents the current status of a Container.
ContainerStatus() - Constructor for class org.apache.hadoop.yarn.api.records.ContainerStatus
 
ContainerSubState - Enum in org.apache.hadoop.yarn.api.records
容器子状态。
ContainerTokenIdentifier - Class in org.apache.hadoop.yarn.security
容器的TokenIdentifier。
ContainerTokenIdentifier(ContainerId, String, String, Resource, long, int, long, Priority, long) - Constructor for class org.apache.hadoop.yarn.security.ContainerTokenIdentifier
 
ContainerTokenIdentifier(ContainerId, String, String, Resource, long, int, long, Priority, long, LogAggregationContext) - Constructor for class org.apache.hadoop.yarn.security.ContainerTokenIdentifier
Deprecated.
Use one of the other constructors instead.
ContainerTokenIdentifier(ContainerId, String, String, Resource, long, int, long, Priority, long, LogAggregationContext, String) - Constructor for class org.apache.hadoop.yarn.security.ContainerTokenIdentifier
 
ContainerTokenIdentifier(ContainerId, String, String, Resource, long, int, long, Priority, long, LogAggregationContext, String, ContainerType) - Constructor for class org.apache.hadoop.yarn.security.ContainerTokenIdentifier
 
ContainerTokenIdentifier(ContainerId, int, String, String, Resource, long, int, long, Priority, long, LogAggregationContext, String, ContainerType, ExecutionType) - Constructor for class org.apache.hadoop.yarn.security.ContainerTokenIdentifier
 
ContainerTokenIdentifier(ContainerId, int, String, String, Resource, long, int, long, Priority, long, LogAggregationContext, String, ContainerType, ExecutionType, long) - Constructor for class org.apache.hadoop.yarn.security.ContainerTokenIdentifier
为现有客户端提供的便捷构造函数。
ContainerTokenIdentifier(ContainerId, int, String, String, Resource, long, int, long, Priority, long, LogAggregationContext, String, ContainerType, ExecutionType, long, Set) - Constructor for class org.apache.hadoop.yarn.security.ContainerTokenIdentifier
创建一个容器令牌标识符。
ContainerTokenIdentifier() - Constructor for class org.apache.hadoop.yarn.security.ContainerTokenIdentifier
RPC层/SecretManager所需的默认构造函数。
ContainerTokenSelector - Class in org.apache.hadoop.yarn.security
 
ContainerTokenSelector() - Constructor for class org.apache.hadoop.yarn.security.ContainerTokenSelector
 
ContainerUpdateRequest - Class in org.apache.hadoop.yarn.api.protocolrecords
The request sent by Application Master to the Node Manager to change the resource quota of a container.
ContainerUpdateRequest() - Constructor for class org.apache.hadoop.yarn.api.protocolrecords.ContainerUpdateRequest
 
ContainerUpdateResponse - Class in org.apache.hadoop.yarn.api.protocolrecords
The response sent by the NodeManager to the ApplicationMaster when asked to update container resource.
ContainerUpdateResponse() - Constructor for class org.apache.hadoop.yarn.api.protocolrecords.ContainerUpdateResponse
 
ContainerUpdateType - Enum in org.apache.hadoop.yarn.api.records
编码容器更新的类型。
containsKey(String) - Method in class org.apache.hadoop.fs.audit.CommonAuditContext
上下文是否包含特定的键?
containsKey(Object) - Method in class org.apache.hadoop.io.MapWritable
 
containsKey(Object) - Method in class org.apache.hadoop.io.SortedMapWritable
 
containsValue(Object) - Method in class org.apache.hadoop.io.MapWritable
 
containsValue(Object) - Method in class org.apache.hadoop.io.SortedMapWritable
 
CONTENT_ENCODING - Static variable in class org.apache.hadoop.fs.azurebfs.constants.HttpHeaderConfigurations
 
CONTENT_ENCODING - Static variable in class org.apache.hadoop.fs.s3a.常量
内容编码:gzip、deflate、compress、br等
CONTENT_LANGUAGE - Static variable in class org.apache.hadoop.fs.azurebfs.constants.HttpHeaderConfigurations
 
CONTENT_LENGTH - Static variable in class org.apache.hadoop.fs.azurebfs.constants.HttpHeaderConfigurations
 
CONTENT_MD5 - Static variable in class org.apache.hadoop.fs.azurebfs.constants.HttpHeaderConfigurations
 
CONTENT_TYPE - Static variable in class org.apache.hadoop.fs.azurebfs.constants.HttpHeaderConfigurations
 
contentEquals(Counters.Counter) - Method in class org.apache.hadoop.mapred.Counters.Counter
Deprecated. 
ContentSummary - Class in org.apache.hadoop.fs
存储内容(目录或文件)的摘要。
ContentSummary() - Constructor for class org.apache.hadoop.fs.ContentSummary
Deprecated.
ContentSummary(long, long, long) - Constructor for class org.apache.hadoop.fs.ContentSummary
Deprecated.
ContentSummary(long, long, long, long, long, long) - Constructor for class org.apache.hadoop.fs.ContentSummary
Deprecated.
context - Variable in class org.apache.hadoop.mapreduce.lib.input.CombineFileRecordReader
 
context() - Method in interface org.apache.hadoop.metrics2.MetricsRecord
 
CONTEXT_ATTR_STAGE - Static variable in class org.apache.hadoop.mapreduce.lib.output.committer.manifest.ManifestCommitterConstants
审计上下文中的阶段属性:"st"。
CONTEXT_ATTR_TASK_ATTEMPT_ID - Static variable in class org.apache.hadoop.mapreduce.lib.output.committer.manifest.ManifestCommitterConstants
审计上下文中的任务ID属性:"ta"。
ControlledJob - Class in org.apache.hadoop.mapreduce.lib.jobcontrol
该类封装了一个MapReduce作业及其依赖项。
ControlledJob(Job, List) - Constructor for class org.apache.hadoop.mapreduce.lib.jobcontrol.ControlledJob
构建一个作业。
ControlledJob(Configuration) - Constructor for class org.apache.hadoop.mapreduce.lib.jobcontrol.ControlledJob
构建一个作业。
convert(Throwable) - Static method in exception org.apache.hadoop.service.ServiceStateException
Convert any exception into a RuntimeException.
convert(String, Throwable) - Static method in exception org.apache.hadoop.service.ServiceStateException
Convert any exception into a RuntimeException.
ConverterUtils - Class in org.apache.hadoop.yarn.util
该类包含一组实用工具,用于帮助在'serializableFormat'与hadoop/原生Java数据结构之间进行相互转换。
ConverterUtils() - Constructor for class org.apache.hadoop.yarn.util.ConverterUtils
 
convertFromYarn(Token, InetSocketAddress) - Static method in class org.apache.hadoop.yarn.util.ConverterUtils
将protobuf令牌转换为rpc令牌并设置其服务。
convertFromYarn(Token, Text) - Static method in class org.apache.hadoop.yarn.util.ConverterUtils
将protobuf令牌转换为rpc令牌并设置其服务。
convertState(YarnApplicationState) - Method in class org.apache.hadoop.yarn.service.client.ServiceClient
 
convertUsername(String) - Static method in class org.apache.hadoop.registry.client.binding.RegistryUtils
将用户名转换为可用于注册表项的形式。
copy(FileSystem, Path, FileSystem, Path, boolean, Configuration) - Static method in class org.apache.hadoop.fs.FileUtil
在文件系统之间复制文件。
copy(FileSystem, Path[], FileSystem, Path, boolean, boolean, Configuration) - Static method in class org.apache.hadoop.fs.FileUtil
 
copy(FileSystem, Path, FileSystem, Path, boolean, boolean, Configuration) - Static method in class org.apache.hadoop.fs.FileUtil
在文件系统之间复制文件。
copy(FileSystem, FileStatus, FileSystem, Path, boolean, boolean, Configuration) - Static method in class org.apache.hadoop.fs.FileUtil
在文件系统内部或之间复制文件/目录树。
copy(File, FileSystem, Path, boolean, Configuration) - Static method in class org.apache.hadoop.fs.FileUtil
将本地文件复制到FileSystem。
copy(FileSystem, Path, File, boolean, Configuration) - Static method in class org.apache.hadoop.fs.FileUtil
将FileSystem文件复制到本地文件。
copy() - Method in class org.apache.hadoop.fs.statistics.MeanStatistic
创建此实例的副本。
copy(Writable) - Method in class org.apache.hadoop.io.AbstractMapWritable
被子级拷贝构造函数使用。
copy(byte[], int, int) - Method in class org.apache.hadoop.record.Buffer
Deprecated.
将指定的字节数组复制到缓冲区。
copy(Configuration, T, T) - Static method in class org.apache.hadoop.util.ReflectionUtils
通过序列化到缓冲区来复制可写对象。
copy() - Method in class org.apache.hadoop.yarn.service.api.records.ConfigFile
 
copyBytes() - Method in class org.apache.hadoop.io.BytesWritable
获取一份与数据长度完全相同的字节副本。
copyBytes(InputStream, OutputStream, int, boolean) - Static method in class org.apache.hadoop.io.IOUtils
从一个流复制到另一个流。
copyBytes(InputStream, OutputStream, int) - Static method in class org.apache.hadoop.io.IOUtils
从一个流复制到另一个流。
copyBytes(InputStream, OutputStream, Configuration) - Static method in class org.apache.hadoop.io.IOUtils
从一个流复制到另一个流。
copyBytes(InputStream, OutputStream, Configuration, boolean) - Static method in class org.apache.hadoop.io.IOUtils
从一个流复制到另一个流。
copyBytes(InputStream, OutputStream, long, boolean) - Static method in class org.apache.hadoop.io.IOUtils
将一个流中的count字节数复制到另一个流。
copyBytes() - Method in class org.apache.hadoop.io.Text
 
copyFromLocalFile(boolean, Path, Path) - Method in class org.apache.hadoop.fs.ChecksumFileSystem
 
copyFromLocalFile(Path, Path) - Method in class org.apache.hadoop.fs.FileSystem
源文件位于本地磁盘上。
copyFromLocalFile(boolean, Path, Path) - Method in class org.apache.hadoop.fs.FileSystem
源文件位于本地磁盘上。
copyFromLocalFile(boolean, boolean, Path[], Path) - Method in class org.apache.hadoop.fs.FileSystem
源文件位于本地磁盘上。
copyFromLocalFile(boolean, boolean, Path, Path) - Method in class org.apache.hadoop.fs.FileSystem
源文件位于本地磁盘上。
copyFromLocalFile(boolean, Path, Path) - Method in class org.apache.hadoop.fs.FilterFileSystem
源文件位于本地磁盘上。
copyFromLocalFile(boolean, boolean, Path[], Path) - Method in class org.apache.hadoop.fs.FilterFileSystem
源文件位于本地磁盘上。
copyFromLocalFile(boolean, boolean, Path, Path) - Method in class org.apache.hadoop.fs.FilterFileSystem
源文件位于本地磁盘上。
copyFromLocalFile(boolean, Path, Path) - Method in class org.apache.hadoop.fs.LocalFileSystem
 
copyToken() - Method in class org.apache.hadoop.security.token.Token
 
copyToLocalFile(boolean, Path, Path) - Method in class org.apache.hadoop.fs.ChecksumFileSystem
源文件位于FS下,目标文件在本地磁盘上。
copyToLocalFile(Path, Path, boolean) - Method in class org.apache.hadoop.fs.ChecksumFileSystem
源文件位于FS下,目标文件在本地磁盘上。
copyToLocalFile(Path, Path) - Method in class org.apache.hadoop.fs.FileSystem
将文件从远程文件系统复制到本地文件系统。
copyToLocalFile(boolean, Path, Path) - Method in class org.apache.hadoop.fs.FileSystem
将文件从远程文件系统复制到本地文件系统。
copyToLocalFile(boolean, Path, Path, boolean) - Method in class org.apache.hadoop.fs.FileSystem
源文件位于此文件系统下,目标文件在本地磁盘上。
copyToLocalFile(boolean, Path, Path) - Method in class org.apache.hadoop.fs.FilterFileSystem
源文件位于FS下,目标文件在本地磁盘上。
copyToLocalFile(boolean, Path, Path) - Method in class org.apache.hadoop.fs.LocalFileSystem
 
CORE_SITE_CONFIGURATION_FILE - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
count - Variable in exception org.apache.hadoop.hdfs.protocol.QuotaExceededException
 
countCounters() - Method in class org.apache.hadoop.mapreduce.counters.AbstractCounters
返回计数器总数,通过对每组中的计数器数量求和得出。
Counter() - Constructor for class org.apache.hadoop.mapred.Counters.Counter
 
计数器 - Interface in org.apache.hadoop.mapreduce
一个命名的计数器,用于跟踪map/reduce作业的进度。
counter(MetricsInfo, int) - Method in interface org.apache.hadoop.metrics2.MetricsVisitor
整数计数器的回调函数
counter(MetricsInfo, long) - Method in interface org.apache.hadoop.metrics2.MetricsVisitor
长整型计数器的回调函数
COUNTER_GROUP - Static variable in class org.apache.hadoop.mapred.SkipBadRecords
由应用程序写入并由框架用于检测不良记录的特殊计数器。
COUNTER_MAP_PROCESSED_RECORDS - Static variable in class org.apache.hadoop.mapred.SkipBadRecords
已处理的映射记录数量。
COUNTER_REDUCE_PROCESSED_GROUPS - Static variable in class org.apache.hadoop.mapred.SkipBadRecords
已处理的reduce组数量。
CounterGroup - Interface in org.apache.hadoop.mapreduce
A group of Counters that logically belong together.
CounterGroupBase<T extends Counter> - Interface in org.apache.hadoop.mapreduce.counters
通用计数器组接口。
counters() - Method in interface org.apache.hadoop.fs.statistics.IOStatistics
计数器映射表。
counters() - Method in class org.apache.hadoop.fs.statistics.IOStatisticsSnapshot
 
计数器 - Class in org.apache.hadoop.mapred
一组命名的计数器。
Counters() - Constructor for class org.apache.hadoop.mapred.计数器
 
计数器(Counters) - Constructor for class org.apache.hadoop.mapred.计数器
 
计数器 - Class in org.apache.hadoop.mapreduce
Counters holds per job/task counters, defined either by the Map-Reduce framework or applications.
Counters() - Constructor for class org.apache.hadoop.mapreduce.计数器
默认构造函数
计数器(抽象计数器) - Constructor for class org.apache.hadoop.mapreduce.计数器
从另一个计数器对象构建计数器对象
Counters.Counter - Class in org.apache.hadoop.mapred
计数器记录,包含其名称和值。
Counters.Group - Class in org.apache.hadoop.mapred
Group of counters, comprising of counters from a particular counter Enum class.
CountingBloomFilter - Class in org.apache.hadoop.util.bloom
Implements a counting Bloom filter, as defined by Fan et al.
CountingBloomFilter() - Constructor for class org.apache.hadoop.util.bloom.CountingBloomFilter
默认构造函数 - 与readFields一起使用
CountingBloomFilter(int, int, int) - Constructor for class org.apache.hadoop.util.bloom.CountingBloomFilter
构造函数
CPK_IN_NON_HNS_ACCOUNT_ERROR_MESSAGE - Static variable in class org.apache.hadoop.fs.azurebfs.constants.AbfsHttpConstants
当为非分层命名空间账户提供客户提供密钥配置时,文件系统初始化出现的异常消息:"非分层命名空间账户无法启用客户提供密钥配置。以下配置不能与非分层命名空间账户一起使用:fs.azure.encryption.context.provider.type, fs.azure.encryption.encoded.client-provided-key, fs.azure.encryption.encoded.client-provided-key-sha"
cpus(Integer) - Method in class org.apache.hadoop.yarn.service.api.records.Resource
分配给每个容器的虚拟核心数量(可选,但如果指定,将覆盖配置文件中的cpus设置)。
create(Path, EnumSet, Options.CreateOpts...) - Method in class org.apache.hadoop.fs.AbstractFileSystem
The specification of this method matches that of FileContext.create(Path, EnumSet, Options.CreateOpts...) except that the Path f must be fully qualified and the permission is absolute (i.e.
create(Path, FsPermission, boolean, int, short, long, Progressable) - Method in class org.apache.hadoop.fs.adl.AdlFileSystem
在ADL的情况下,创建调用的语义处理方式有所不同。
create(Path, FsPermission, boolean, int, short, long, Progressable) - Method in class org.apache.hadoop.fs.azure.NativeAzureFileSystem
 
create(Path, FsPermission, boolean, int, short, long, Progressable) - Method in class org.apache.hadoop.fs.ChecksumFileSystem
 
create(Path, FsPermission, EnumSet, int, short, long, Progressable, Options.ChecksumOpt) - Method in class org.apache.hadoop.fs.ChecksumFileSystem
 
create(Path, EnumSet, Options.CreateOpts...) - Method in class org.apache.hadoop.fs.FileContext
在指定路径上创建或覆盖文件,并返回用于写入文件的输出流。
create(Path) - Method in class org.apache.hadoop.fs.FileContext
Create a FSDataOutputStreamBuilder for creating or overwriting a file on indicated path.
create(FileSystem, Path, FsPermission) - Static method in class org.apache.hadoop.fs.FileSystem
使用提供的权限创建一个文件。
create(Path) - Method in class org.apache.hadoop.fs.FileSystem
在指定的路径创建一个FSDataOutputStream。
create(Path, boolean) - Method in class org.apache.hadoop.fs.FileSystem
在指定的路径创建一个FSDataOutputStream。
create(Path, Progressable) - Method in class org.apache.hadoop.fs.FileSystem
在指定的Path路径上创建一个FSDataOutputStream,并支持写入进度报告。
create(Path, short) - Method in class org.apache.hadoop.fs.FileSystem
在指定的路径创建一个FSDataOutputStream。
create(Path, short, Progressable) - Method in class org.apache.hadoop.fs.FileSystem
在指定的Path路径上创建一个FSDataOutputStream,并支持写入进度报告。
create(Path, boolean, int) - Method in class org.apache.hadoop.fs.FileSystem
在指定的路径创建一个FSDataOutputStream。
create(Path, boolean, int, Progressable) - Method in class org.apache.hadoop.fs.FileSystem
Create an FSDataOutputStream at the indicated Path with write-progress reporting.
create(Path, boolean, int, short, long) - Method in class org.apache.hadoop.fs.FileSystem
在指定的路径创建一个FSDataOutputStream。
create(Path, boolean, int, short, long, Progressable) - Method in class org.apache.hadoop.fs.FileSystem
在指定的Path路径上创建一个FSDataOutputStream,并支持写入进度报告。
create(Path, FsPermission, boolean, int, short, long, Progressable) - Method in class org.apache.hadoop.fs.FileSystem
在指定的Path路径上创建一个FSDataOutputStream,并支持写入进度报告。
create(Path, FsPermission, EnumSet, int, short, long, Progressable) - Method in class org.apache.hadoop.fs.FileSystem
在指定的Path路径上创建一个FSDataOutputStream,并支持写入进度报告。
create(Path, FsPermission, EnumSet, int, short, long, Progressable, Options.ChecksumOpt) - Method in class org.apache.hadoop.fs.FileSystem
在指定路径创建一个带有自定义校验和选项的FSDataOutputStream。
create(Path, FsPermission, boolean, int, short, long, Progressable) - Method in class org.apache.hadoop.fs.FilterFileSystem
 
create(Path, FsPermission, EnumSet, int, short, long, Progressable, Options.ChecksumOpt) - Method in class org.apache.hadoop.fs.FilterFileSystem
 
create() - Method in class org.apache.hadoop.fs.FSDataOutputStreamBuilder
在指定路径创建一个FSDataOutputStream。
create(Path, FsPermission, boolean, int, short, long, Progressable) - Method in class org.apache.hadoop.fs.ftp.FTPFileSystem
通过此调用获取的流在使用该类的其他API之前必须关闭,否则调用将被阻塞。
create() - Method in class org.apache.hadoop.fs.impl.MultipartUploaderBuilderImpl
在指定路径创建一个FSDataOutputStream。
create(FsPermission, FsPermission) - Static method in class org.apache.hadoop.fs.permission.FsCreateModes
从掩码和非掩码模式创建。
create(Path, boolean, int, short, long, Progressable) - Method in class org.apache.hadoop.fs.RawLocalFileSystem
 
create(Path, FsPermission, boolean, int, short, long, Progressable) - Method in class org.apache.hadoop.fs.RawLocalFileSystem
 
create(Path, FsPermission, boolean, int, short, long, Progressable) - Method in class org.apache.hadoop.fs.s3native.NativeS3FileSystem
Deprecated.
 
create(Path, FsPermission, boolean, int, short, long, Progressable) - Method in class org.apache.hadoop.fs.viewfs.ViewFileSystem
 
CREATE - Static variable in interface org.apache.hadoop.registry.client.api.BindFlags
创建条目..
CREATE_DIR - Static variable in class org.apache.hadoop.mapreduce.lib.jobcontrol.ControlledJob
 
CREATE_SUCCESSFUL_JOB_OUTPUT_DIR_MARKER - Static variable in class org.apache.hadoop.fs.s3a.commit.CommitConstants
用于触发在作业完成时创建标记文件的标志。
createAHSClient() - Static method in class org.apache.hadoop.yarn.client.api.AHSClient
创建AHSClient的新实例。
createAHSProxy(Configuration, Class, InetSocketAddress) - Static method in class org.apache.hadoop.yarn.client.AHSProxy
 
createAHSv2Client() - Static method in class org.apache.hadoop.yarn.client.api.AHSClient
 
createAllSymlink(Configuration, File, File) - Static method in class org.apache.hadoop.filecache.DistributedCache
Deprecated.
Internal to MapReduce framework. Use DistributedCacheManager instead.
createAMProxy(String, ApplicationReport) - Method in class org.apache.hadoop.yarn.service.client.ServiceClient
 
createAMRMClient() - Static method in class org.apache.hadoop.yarn.client.api.AMRMClient
创建AMRMClient的新实例。
createAMRMClientAsync(int, AMRMClientAsync.AbstractCallbackHandler) - Static method in class org.apache.hadoop.yarn.client.api.async.AMRMClientAsync
创建AMRMClientAsync的新实例。
createAMRMClientAsync(AMRMClient, int, AMRMClientAsync.AbstractCallbackHandler) - Static method in class org.apache.hadoop.yarn.client.api.async.AMRMClientAsync
创建AMRMClientAsync的新实例。
createAMRMClientAsync(int, AMRMClientAsync.CallbackHandler) - Static method in class org.apache.hadoop.yarn.client.api.async.AMRMClientAsync
createAMRMClientAsync(AMRMClient, int, AMRMClientAsync.CallbackHandler) - Static method in class org.apache.hadoop.yarn.client.api.async.AMRMClientAsync
createAndSubmitJob() - Method in class org.apache.hadoop.tools.DistCp
创建并提交mapreduce作业。
createAppAdminClient(String, Configuration) - Static method in class org.apache.hadoop.yarn.client.api.AppAdminClient
创建一个新的AppAdminClient实例。
createAppDir(String, ApplicationId, UserGroupInformation) - Method in class org.apache.hadoop.yarn.logaggregation.filecontroller.LogAggregationFileController
为日志聚合创建远程应用程序目录。
createApplication() - Method in class org.apache.hadoop.yarn.client.api.YarnClient
Obtain a YarnClientApplication for a new application, which in turn contains the ApplicationSubmissionContext and GetNewApplicationResponse objects.
createBulkDelete(Path) - Method in interface org.apache.hadoop.fs.BulkDeleteSource
创建一个批量删除操作。
createBulkDelete(Path) - Method in class org.apache.hadoop.fs.FileSystem
创建一个批量删除操作。
createCheckpoint() - Method in class org.apache.hadoop.fs.TrashPolicy
创建一个垃圾检查点。
createCommitter(Path, TaskAttemptContext) - Static method in class org.apache.hadoop.mapreduce.lib.output.PathOutputCommitterFactory
为任务尝试和目标创建提交器工厂,然后从中创建提交器。
createCompressor() - Method in class org.apache.hadoop.io.compress.BZip2Codec
Create a new Compressor for use by this CompressionCodec.
createCompressor() - Method in interface org.apache.hadoop.io.compress.CompressionCodec
Create a new Compressor for use by this CompressionCodec.
createCompressor() - Method in class org.apache.hadoop.io.compress.DefaultCodec
 
createCompressor() - Method in class org.apache.hadoop.io.compress.GzipCodec
 
createCompressor() - Method in class org.apache.hadoop.io.compress.PassthroughCodec
 
createConnection() - Method in class org.apache.hadoop.mapreduce.lib.db.DBInputFormat
 
createCredentialEntry(String, char[]) - Method in class org.apache.hadoop.security.alias.CredentialProvider
创建新的凭证。
createCredentials(Configuration) - Method in class org.apache.hadoop.fs.s3a.TemporaryAWSCredentialsProvider
这里的凭证必须包含会话令牌,否则此操作将引发异常。
createDataOutputStreamBuilder(FileSystem, Path) - Static method in class org.apache.hadoop.fs.FileSystem
为给定的文件系统和路径创建标准FSDataOutputStreamBuilder的实例。
createDBRecordReader(DBInputFormat.DBInputSplit, Configuration) - Method in class org.apache.hadoop.mapreduce.lib.db.DataDrivenDBInputFormat
 
createDBRecordReader(DBInputFormat.DBInputSplit, Configuration) - Method in class org.apache.hadoop.mapreduce.lib.db.DBInputFormat
 
createDBRecordReader(DBInputFormat.DBInputSplit, Configuration) - Method in class org.apache.hadoop.mapreduce.lib.db.OracleDataDrivenDBInputFormat
 
createDecompressor() - Method in class org.apache.hadoop.io.compress.BZip2Codec
Create a new Decompressor for use by this CompressionCodec.
createDecompressor() - Method in interface org.apache.hadoop.io.compress.CompressionCodec
Create a new Decompressor for use by this CompressionCodec.
createDecompressor() - Method in class org.apache.hadoop.io.compress.DefaultCodec
 
createDecompressor() - Method in class org.apache.hadoop.io.compress.GzipCodec
 
createDecompressor() - Method in class org.apache.hadoop.io.compress.PassthroughCodec
 
createDir(FileSystem, Path, FsPermission) - Method in class org.apache.hadoop.yarn.logaggregation.filecontroller.LogAggregationFileController
 
createDirectDecompressor() - Method in class org.apache.hadoop.io.compress.DefaultCodec
Create a new DirectDecompressor for use by this DirectDecompressionCodec.
createDirectDecompressor() - Method in interface org.apache.hadoop.io.compress.DirectDecompressionCodec
Create a new DirectDecompressor for use by this DirectDecompressionCodec.
createDirectDecompressor() - Method in class org.apache.hadoop.io.compress.GzipCodec
 
createDirectory(Path, FsPermission, FsPermission, TracingContext) - Method in class org.apache.hadoop.fs.azurebfs.AzureBlobFileSystemStore
 
createEncryptionZone(Path, String) - Method in class org.apache.hadoop.hdfs.client.HdfsAdmin
Deprecated.
createEncryptionZone(Path, String, EnumSet) - Method in class org.apache.hadoop.hdfs.client.HdfsAdmin
在空的现有目录下创建一个加密区域,使用指定的加密密钥。
CreateEncryptionZoneFlag - Enum in org.apache.hadoop.hdfs.client
CreateEncryptionZoneFlag is used in HdfsAdmin.createEncryptionZone(Path, String, EnumSet) to indicate what should be done when creating an encryption zone.
createFile(Path, FileSystem.Statistics, boolean, FsPermission, FsPermission, TracingContext) - Method in class org.apache.hadoop.fs.azurebfs.AzureBlobFileSystemStore
 
createFile(Path) - Method in class org.apache.hadoop.fs.ChecksumFileSystem
这里被重写以确保最终会调用该类的create()方法。
createFile(Path) - Method in class org.apache.hadoop.fs.FileSystem
为指定路径的文件创建一个新的FSDataOutputStreamBuilder。
createFile(Path) - Method in class org.apache.hadoop.fs.FilterFileSystem
 
createFileOutputCommitter(Path, TaskAttemptContext) - Method in class org.apache.hadoop.mapreduce.lib.output.PathOutputCommitterFactory
Create an instance of the default committer, a FileOutputCommitter for a task.
createFileSplit(Path, long, long) - Static method in class org.apache.hadoop.mapred.lib.NLineInputFormat
NLineInputFormat使用LineRecordReader,它总是读取(并消耗)至少一个超出其上层分割边界的字符。
createFileSplit(Path, long, long) - Static method in class org.apache.hadoop.mapreduce.lib.input.NLineInputFormat
NLineInputFormat使用LineRecordReader,它总是读取(并消耗)至少一个超出其上层分割边界的字符。
createFileSystem(URI, Configuration) - Static method in class org.apache.hadoop.fs.AbstractFileSystem
使用配置为指定的URI创建一个文件系统实例。
createFilesystem(TracingContext) - Method in class org.apache.hadoop.fs.azurebfs.AzureBlobFileSystemStore
 
CreateFlag - Enum in org.apache.hadoop.fs
CreateFlag 指定文件创建语义。
createHistoryFileInfo(Path, Path, Path, JobIndexInfo, boolean) - Method in class org.apache.hadoop.mapreduce.v2.hs.HistoryFileManager
 
createIdentifier() - Method in class org.apache.hadoop.security.token.SecretManager
创建一个空的令牌标识符。
createImmutable(short) - Static method in class org.apache.hadoop.fs.permission.FsPermission
Create an immutable FsPermission object.
createInputFileListing(Job) - Method in class org.apache.hadoop.tools.DistCp
通过调用适当的复制列表实现来创建输入列表。
createInputStream(InputStream) - Method in class org.apache.hadoop.io.compress.BZip2Codec
Create a CompressionInputStream that will read from the given input stream and return a stream for uncompressed data.
createInputStream(InputStream, Decompressor) - Method in class org.apache.hadoop.io.compress.BZip2Codec
Create a CompressionInputStream that will read from the given InputStream with the given Decompressor, and return a stream for uncompressed data.
createInputStream(InputStream, Decompressor, long, long, SplittableCompressionCodec.READ_MODE) - Method in class org.apache.hadoop.io.compress.BZip2Codec
创建CompressionInputStream,用于在两种读取模式之一中读取未压缩数据。
createInputStream(InputStream) - Method in interface org.apache.hadoop.io.compress.CompressionCodec
Create a CompressionInputStream that will read from the given input stream.
createInputStream(InputStream, Decompressor) - Method in interface org.apache.hadoop.io.compress.CompressionCodec
Create a CompressionInputStream that will read from the given InputStream with the given Decompressor.
createInputStream(InputStream) - Method in class org.apache.hadoop.io.compress.DefaultCodec
 
createInputStream(InputStream, Decompressor) - Method in class org.apache.hadoop.io.compress.DefaultCodec
 
createInputStream(InputStream) - Method in class org.apache.hadoop.io.compress.GzipCodec
 
createInputStream(InputStream, Decompressor) - Method in class org.apache.hadoop.io.compress.GzipCodec
 
createInputStream(InputStream) - Method in class org.apache.hadoop.io.compress.PassthroughCodec
 
createInputStream(InputStream, Decompressor) - Method in class org.apache.hadoop.io.compress.PassthroughCodec
 
createInputStream(InputStream, Decompressor, long, long, SplittableCompressionCodec.READ_MODE) - Method in interface org.apache.hadoop.io.compress.SplittableCompressionCodec
根据readMode指示创建一个流。
createInstance(String) - Static method in class org.apache.hadoop.mapred.lib.aggregate.UserDefinedValueAggregatorDescriptor
创建给定类的实例
createInstance(String) - Static method in class org.apache.hadoop.mapreduce.lib.aggregate.UserDefinedValueAggregatorDescriptor
创建给定类的实例
createInternal(Path, EnumSet, FsPermission, int, short, long, Progressable, Options.ChecksumOpt, boolean) - Method in class org.apache.hadoop.fs.AbstractFileSystem
The specification of this method matches that of AbstractFileSystem.create(Path, EnumSet, Options.CreateOpts...) except that the opts have been declared explicitly.
createInternal(Path, FsPermission, boolean, SelfRenewingLease) - Method in class org.apache.hadoop.fs.azure.NativeAzureFileSystem
这是供内部使用的创建调用版本。
createInternal(Path, EnumSet, FsPermission, int, short, long, Progressable, Options.ChecksumOpt, boolean) - Method in class org.apache.hadoop.fs.viewfs.ViewFs
 
createInternalValue() - Method in class org.apache.hadoop.mapred.join.CompositeRecordReader
创建一个用于内部连接的值。
createIOException(List) - Static method in exception org.apache.hadoop.io.MultipleIOException
A convenient method to create an IOException.
createJarWithClassPath(String, Path, Map) - Static method in class org.apache.hadoop.fs.FileUtil
 
createJarWithClassPath(String, Path, Path, Map) - Static method in class org.apache.hadoop.fs.FileUtil
在指定路径创建一个jar文件,其中包含一个引用所有指定条目的类路径清单。
createJobListCache() - Method in class org.apache.hadoop.mapreduce.v2.hs.HistoryFileManager
 
createKey(String, byte[], KeyProvider.Options) - Method in class org.apache.hadoop.crypto.key.KeyProvider
创建新密钥。
createKey(String, KeyProvider.Options) - Method in class org.apache.hadoop.crypto.key.KeyProvider
创建一个新密钥并生成其材料。
createKey() - Method in class org.apache.hadoop.mapred.join.CompositeRecordReader
创建一个对所有子RR通用的新键值。
createKey() - Method in class org.apache.hadoop.mapred.join.WrappedRecordReader
从代理的RR请求新密钥。
createKey() - Method in class org.apache.hadoop.mapred.KeyValueLineRecordReader
 
createKey() - Method in class org.apache.hadoop.mapred.lib.CombineFileRecordReader
 
createKey() - Method in class org.apache.hadoop.mapred.lib.CombineFileRecordReaderWrapper
 
createKey() - Method in interface org.apache.hadoop.mapred.RecordReader
创建一个适当类型的对象用作键。
createKey() - Method in class org.apache.hadoop.mapred.SequenceFileAsTextRecordReader
 
createKey() - Method in class org.apache.hadoop.mapred.SequenceFileRecordReader
 
createKey() - Method in class org.apache.hadoop.mapreduce.lib.join.CompositeRecordReader
创建一个所有子RR共用的新密钥。
createKey() - Method in class org.apache.hadoop.mapreduce.lib.join.WrappedRecordReader
从代理的RR请求新密钥。
createLocalTempFile(File, String, boolean) - Static method in class org.apache.hadoop.fs.FileUtil
为基本文件创建一个临时文件。
createManifestStoreOperations() - Method in class org.apache.hadoop.mapreduce.lib.output.committer.manifest.ManifestCommitter
为目标存储创建清单存储操作。
createMoveToDoneThreadPool(int) - Method in class org.apache.hadoop.mapreduce.v2.hs.HistoryFileManager
 
createMultipartUploader(Path) - Method in class org.apache.hadoop.fs.AbstractFileSystem
创建一个多部分上传器。
createMultipartUploader(Path) - Method in class org.apache.hadoop.fs.FileContext
创建一个多部分上传器。
createMultipartUploader(Path) - Method in class org.apache.hadoop.fs.FileSystem
创建一个多部分上传器。
createNewFile(Path) - Method in class org.apache.hadoop.fs.FileSystem
将给定的路径创建为一个全新的零长度文件。
createNMClient() - Static method in class org.apache.hadoop.yarn.client.api.NMClient
创建NMClient的新实例。
createNMClient(String) - Static method in class org.apache.hadoop.yarn.client.api.NMClient
创建NMClient的新实例。
createNMClientAsync(NMClientAsync.AbstractCallbackHandler) - Static method in class org.apache.hadoop.yarn.client.api.async.NMClientAsync
 
createNMClientAsync(NMClientAsync.CallbackHandler) - Static method in class org.apache.hadoop.yarn.client.api.async.NMClientAsync
createNMProxy(Configuration, Class, UserGroupInformation, YarnRPC, InetSocketAddress) - Static method in class org.apache.hadoop.yarn.client.NMProxy
 
createNonRecursive(Path, FsPermission, EnumSet, int, short, long, Progressable) - Method in class org.apache.hadoop.fs.adl.AdlFileSystem
Deprecated.
API only for 0.20-append
createNonRecursive(Path, FsPermission, boolean, int, short, long, Progressable) - Method in class org.apache.hadoop.fs.azure.NativeAzureFileSystem
 
createNonRecursive(Path, FsPermission, EnumSet, int, short, long, Progressable) - Method in class org.apache.hadoop.fs.azure.NativeAzureFileSystem
 
createNonRecursive(Path, boolean, int, short, long, Progressable) - Method in class org.apache.hadoop.fs.azure.NativeAzureFileSystem
 
createNonRecursive(Path, FsPermission, boolean, int, short, long, Progressable) - Method in class org.apache.hadoop.fs.ChecksumFileSystem
 
createNonRecursive(Path, FsPermission, EnumSet, int, short, long, Progressable) - Method in class org.apache.hadoop.fs.ChecksumFileSystem
 
createNonRecursive(Path, boolean, int, short, long, Progressable) - Method in class org.apache.hadoop.fs.FileSystem
在指定的Path路径上打开一个FSDataOutputStream输出流,并支持写入进度报告。
createNonRecursive(Path, FsPermission, boolean, int, short, long, Progressable) - Method in class org.apache.hadoop.fs.FileSystem
在指定的Path路径上打开一个FSDataOutputStream输出流,并支持写入进度报告。
createNonRecursive(Path, FsPermission, EnumSet, int, short, long, Progressable) - Method in class org.apache.hadoop.fs.FileSystem
在指定的Path路径上打开一个FSDataOutputStream输出流,并支持写入进度报告。
createNonRecursive(Path, FsPermission, EnumSet, int, short, long, Progressable) - Method in class org.apache.hadoop.fs.FilterFileSystem
 
createNonRecursive(Path, FsPermission, EnumSet, int, short, long, Progressable) - Method in class org.apache.hadoop.fs.RawLocalFileSystem
 
createNonRecursive(Path, FsPermission, boolean, int, short, long, Progressable) - Method in class org.apache.hadoop.fs.RawLocalFileSystem
 
createNonRecursive(Path, FsPermission, EnumSet, int, short, long, Progressable) - Method in class org.apache.hadoop.fs.viewfs.ViewFileSystem
 
createOutputCommitter(Path, TaskAttemptContext) - Method in class org.apache.hadoop.fs.azurebfs.commit.AzureManifestCommitterFactory
 
createOutputCommitter(Path, TaskAttemptContext) - Method in class org.apache.hadoop.mapreduce.lib.output.committer.manifest.ManifestCommitterFactory
 
createOutputCommitter(Path, TaskAttemptContext) - Method in class org.apache.hadoop.mapreduce.lib.output.PathOutputCommitterFactory
为任务尝试创建一个输出提交器。
createOutputStream(Path, boolean) - Method in class org.apache.hadoop.fs.RawLocalFileSystem
 
createOutputStream(OutputStream) - Method in class org.apache.hadoop.io.compress.BZip2Codec
Create a CompressionOutputStream that will write to the given OutputStream.
createOutputStream(OutputStream, Compressor) - Method in class org.apache.hadoop.io.compress.BZip2Codec
Create a CompressionOutputStream that will write to the given OutputStream with the given Compressor.
createOutputStream(OutputStream) - Method in interface org.apache.hadoop.io.compress.CompressionCodec
Create a CompressionOutputStream that will write to the given OutputStream.
createOutputStream(OutputStream, Compressor) - Method in interface org.apache.hadoop.io.compress.CompressionCodec
Create a CompressionOutputStream that will write to the given OutputStream with the given Compressor.
createOutputStream(OutputStream) - Method in class org.apache.hadoop.io.compress.DefaultCodec
 
createOutputStream(OutputStream, Compressor) - Method in class org.apache.hadoop.io.compress.DefaultCodec
 
createOutputStream(OutputStream) - Method in class org.apache.hadoop.io.compress.GzipCodec
 
createOutputStream(OutputStream, Compressor) - Method in class org.apache.hadoop.io.compress.GzipCodec
 
createOutputStream(OutputStream) - Method in class org.apache.hadoop.io.compress.PassthroughCodec
 
createOutputStream(OutputStream, Compressor) - Method in class org.apache.hadoop.io.compress.PassthroughCodec
 
createOutputStreamWithMode(Path, boolean, FsPermission) - Method in class org.apache.hadoop.fs.RawLocalFileSystem
 
createPassword(TokenIdent) - Method in class org.apache.hadoop.security.token.delegation.AbstractDelegationTokenSecretManager
 
createPassword(T) - Method in class org.apache.hadoop.security.token.SecretManager
为给定的标识符创建密码。
createPassword(byte[], SecretKey) - Static method in class org.apache.hadoop.security.token.SecretManager
使用密钥计算标识符的HMAC,并将输出作为密码返回
createPathHandle(FileStatus, Options.HandleOpt...) - Method in class org.apache.hadoop.fs.FileSystem
Hook to implement support for PathHandle operations.
createPathHandle(FileStatus, Options.HandleOpt...) - Method in class org.apache.hadoop.fs.FilterFileSystem
 
createPathHandle(FileStatus, Options.HandleOpt...) - Method in class org.apache.hadoop.fs.RawLocalFileSystem
Hook to implement support for PathHandle operations.
createPool(JobConf, List) - Method in class org.apache.hadoop.mapred.lib.CombineFileInputFormat
createPool(JobConf, PathFilter...) - Method in class org.apache.hadoop.mapred.lib.CombineFileInputFormat
createPool(List) - Method in class org.apache.hadoop.mapreduce.lib.input.CombineFileInputFormat
创建一个新池并向其中添加过滤器。
createPool(PathFilter...) - Method in class org.apache.hadoop.mapreduce.lib.input.CombineFileInputFormat
创建一个新池并向其中添加过滤器。
createProvider(URI, Configuration) - Method in class org.apache.hadoop.crypto.key.KeyProviderFactory
 
createProvider(URI, Configuration) - Method in class org.apache.hadoop.security.alias.CredentialProviderFactory
 
createProxyUser(String, UserGroupInformation) - Static method in class org.apache.hadoop.security.UserGroupInformation
使用有效用户的用户名和真实用户的UGI创建一个代理用户。
createProxyUserForTesting(String, UserGroupInformation, String[]) - Static method in class org.apache.hadoop.security.UserGroupInformation
为测试HDFS和MapReduce创建一个代理用户UGI
createRecordReader(InputSplit, TaskAttemptContext) - Method in class org.apache.hadoop.mapred.lib.CombineFileInputFormat
 
createRecordReader(InputSplit, TaskAttemptContext) - Method in class org.apache.hadoop.mapreduce.InputFormat
为给定的分片创建记录读取器。
createRecordReader(InputSplit, TaskAttemptContext) - Method in class org.apache.hadoop.mapreduce.lib.db.DBInputFormat
为给定的分片创建记录读取器。
createRecordReader(InputSplit, TaskAttemptContext) - Method in class org.apache.hadoop.mapreduce.lib.input.CombineFileInputFormat
此功能尚未实现。
createRecordReader(InputSplit, TaskAttemptContext) - Method in class org.apache.hadoop.mapreduce.lib.input.CombineSequenceFileInputFormat
 
createRecordReader(InputSplit, TaskAttemptContext) - Method in class org.apache.hadoop.mapreduce.lib.input.CombineTextInputFormat
 
createRecordReader(InputSplit, TaskAttemptContext) - Method in class org.apache.hadoop.mapreduce.lib.input.FixedLengthInputFormat
 
createRecordReader(InputSplit, TaskAttemptContext) - Method in class org.apache.hadoop.mapreduce.lib.input.KeyValueTextInputFormat
 
createRecordReader(InputSplit, TaskAttemptContext) - Method in class org.apache.hadoop.mapreduce.lib.input.NLineInputFormat
 
createRecordReader(InputSplit, TaskAttemptContext) - Method in class org.apache.hadoop.mapreduce.lib.input.SequenceFileAsBinaryInputFormat
 
createRecordReader(InputSplit, TaskAttemptContext) - Method in class org.apache.hadoop.mapreduce.lib.input.SequenceFileAsTextInputFormat
 
createRecordReader(InputSplit, TaskAttemptContext) - Method in class org.apache.hadoop.mapreduce.lib.input.SequenceFileInputFilter
为给定的分片创建记录读取器
createRecordReader(InputSplit, TaskAttemptContext) - Method in class org.apache.hadoop.mapreduce.lib.input.SequenceFileInputFormat
 
createRecordReader(InputSplit, TaskAttemptContext) - Method in class org.apache.hadoop.mapreduce.lib.input.TextInputFormat
 
createRecordReader(InputSplit, TaskAttemptContext) - Method in class org.apache.hadoop.mapreduce.lib.join.ComposableInputFormat
 
createRecordReader(InputSplit, TaskAttemptContext) - Method in class org.apache.hadoop.mapreduce.lib.join.CompositeInputFormat
为这个InputFormat的子节点构建一个CompositeRecordReader,如初始化表达式中所定义。
createRemoteUser(String) - Static method in class org.apache.hadoop.security.UserGroupInformation
根据登录名创建用户。
createRemoteUser(String, SaslRpcServer.AuthMethod) - Static method in class org.apache.hadoop.security.UserGroupInformation
根据登录名创建用户。
createReservation() - Method in class org.apache.hadoop.yarn.client.api.YarnClient
Obtain a GetNewReservationResponse for a new reservation, which contains the ReservationId object.
createRetriableProxy(Configuration, Class, UserGroupInformation, YarnRPC, InetSocketAddress, RetryPolicy) - Static method in class org.apache.hadoop.yarn.client.ServerProxy
 
createRetryPolicy(Configuration, long, long, boolean) - Static method in class org.apache.hadoop.yarn.client.RMProxy
从配置中获取重试策略,并使用指定的重试时间和重试间隔创建重试策略。
createRetryPolicy(Configuration, String, long, String, long) - Static method in class org.apache.hadoop.yarn.client.ServerProxy
 
createRMProxy(Configuration, Class) - Static method in class org.apache.hadoop.yarn.client.ClientRMProxy
为指定协议创建到ResourceManager的代理。
createRMProxyFederation(Configuration, Class) - Static method in class org.apache.hadoop.yarn.client.ClientRMProxy
为指定协议创建到ResourceManager的代理。
createRMProxyFederation(Configuration, Class, RMProxy) - Static method in class org.apache.hadoop.yarn.client.RMProxy
此功能仅用于NodeManager且仅在非HA模式下使用。
createSecretKey(byte[]) - Static method in class org.apache.hadoop.security.token.delegation.AbstractDelegationTokenSecretManager
将byte[]转换为密钥
createSecretKey(byte[]) - Static method in class org.apache.hadoop.security.token.SecretManager
将字节数组转换为密钥
createSerializer() - Method in class org.apache.hadoop.mapreduce.lib.output.committer.manifest.files.ManifestSuccessData
 
createSharedCacheClient() - Static method in class org.apache.hadoop.yarn.client.api.SharedCacheClient
 
createSnapshot(Path, String) - Method in class org.apache.hadoop.fs.AbstractFileSystem
The specification of this method matches that of FileContext.createSnapshot(Path, String).
createSnapshot(Path) - Method in class org.apache.hadoop.fs.FileContext
使用默认名称创建快照。
createSnapshot(Path, String) - Method in class org.apache.hadoop.fs.FileContext
创建快照。
createSnapshot(Path) - Method in class org.apache.hadoop.fs.FileSystem
使用默认名称创建快照。
createSnapshot(Path, String) - Method in class org.apache.hadoop.fs.FileSystem
创建快照。
createSnapshot(Path, String) - Method in class org.apache.hadoop.fs.FilterFileSystem
 
createSnapshot(Path, String) - Method in class org.apache.hadoop.fs.viewfs.ViewFileSystem
 
createSnapshot(Path, String) - Method in class org.apache.hadoop.fs.viewfs.ViewFs
 
createSocket() - Method in class org.apache.hadoop.net.SocksSocketFactory
 
createSocket(InetAddress, int) - Method in class org.apache.hadoop.net.SocksSocketFactory
 
createSocket(InetAddress, int, InetAddress, int) - Method in class org.apache.hadoop.net.SocksSocketFactory
 
createSocket(String, int) - Method in class org.apache.hadoop.net.SocksSocketFactory
 
createSocket(String, int, InetAddress, int) - Method in class org.apache.hadoop.net.SocksSocketFactory
 
createSocket() - Method in class org.apache.hadoop.net.StandardSocketFactory
 
createSocket(InetAddress, int) - Method in class org.apache.hadoop.net.StandardSocketFactory
 
createSocket(InetAddress, int, InetAddress, int) - Method in class org.apache.hadoop.net.StandardSocketFactory
 
createSocket(String, int) - Method in class org.apache.hadoop.net.StandardSocketFactory
 
createSocket(String, int, InetAddress, int) - Method in class org.apache.hadoop.net.StandardSocketFactory
 
createSymlink(Path, Path, boolean) - Method in class org.apache.hadoop.fs.AbstractFileSystem
The specification of this method matches that of FileContext.createSymlink(Path, Path, boolean);
createSymlink(Path, Path, boolean) - Method in class org.apache.hadoop.fs.FileContext
创建一个指向现有文件的符号链接。
createSymlink(Path, Path, boolean) - Method in class org.apache.hadoop.fs.FileSystem
createSymlink(Path, Path, boolean) - Method in class org.apache.hadoop.fs.FilterFileSystem
 
createSymlink(Path, Path, boolean) - Method in class org.apache.hadoop.fs.LocalFileSystem
 
createSymlink(Path, Path, boolean) - Method in class org.apache.hadoop.fs.RawLocalFileSystem
 
createSymlink(Path, Path, boolean) - Method in class org.apache.hadoop.fs.viewfs.ViewFs
 
createSymlink() - Method in class org.apache.hadoop.mapreduce.Job
Deprecated.
createTimelineAbout(String) - Static method in class org.apache.hadoop.yarn.util.timeline.TimelineUtils
 
createTimelineClient() - Static method in class org.apache.hadoop.yarn.client.api.TimelineClient
创建一个时间轴v.1.x客户端的实例。
createTimelineReaderClient() - Static method in class org.apache.hadoop.yarn.client.api.TimelineReaderClient
创建Timeline Reader Client的新实例。
createTupleWritable() - Method in class org.apache.hadoop.mapreduce.lib.join.CompositeRecordReader
创建一个用于内部连接的值。
createUserForTesting(String, String[]) - Static method in class org.apache.hadoop.security.UserGroupInformation
为测试HDFS和MapReduce创建UGI
createValue() - Method in class org.apache.hadoop.mapred.join.JoinRecordReader
创建一个适当类型的对象作为值使用。
createValue() - Method in class org.apache.hadoop.mapred.join.MultiFilterRecordReader
创建一个适当类型的对象用作值。
createValue() - Method in class org.apache.hadoop.mapred.join.WrappedRecordReader
从代理RR请求新值。
createValue() - Method in class org.apache.hadoop.mapred.KeyValueLineRecordReader
 
createValue() - Method in class org.apache.hadoop.mapred.lib.CombineFileRecordReader
 
createValue() - Method in class org.apache.hadoop.mapred.lib.CombineFileRecordReaderWrapper
 
createValue() - Method in interface org.apache.hadoop.mapred.RecordReader
创建一个适当类型的对象作为值使用。
createValue() - Method in class org.apache.hadoop.mapred.SequenceFileAsTextRecordReader
 
createValue() - Method in class org.apache.hadoop.mapred.SequenceFileRecordReader
 
createValue() - Method in class org.apache.hadoop.mapreduce.lib.db.DBRecordReader
Deprecated. 
createValue() - Method in class org.apache.hadoop.mapreduce.lib.join.JoinRecordReader
 
createValue() - Method in class org.apache.hadoop.mapreduce.lib.join.OverrideRecordReader
 
createValue() - Method in class org.apache.hadoop.mapreduce.lib.join.WrappedRecordReader
 
createValueAggregatorJob(String[], Class) - Static method in class org.apache.hadoop.mapred.lib.aggregate.ValueAggregatorJob
创建一个基于聚合的map/reduce作业。
createValueAggregatorJob(String[]) - Static method in class org.apache.hadoop.mapred.lib.aggregate.ValueAggregatorJob
创建一个基于聚合的map/reduce作业。
createValueAggregatorJob(String[], Class[]) - Static method in class org.apache.hadoop.mapred.lib.aggregate.ValueAggregatorJob
 
createValueAggregatorJob(String[], Class[], Class) - Static method in class org.apache.hadoop.mapred.lib.aggregate.ValueAggregatorJob
 
createValueAggregatorJob(Configuration, String[]) - Static method in class org.apache.hadoop.mapreduce.lib.aggregate.ValueAggregatorJob
创建一个基于聚合的map/reduce作业。
createValueAggregatorJob(String[], Class[]) - Static method in class org.apache.hadoop.mapreduce.lib.aggregate.ValueAggregatorJob
 
createValueAggregatorJobs(String[], Class[]) - Static method in class org.apache.hadoop.mapred.lib.aggregate.ValueAggregatorJob
 
createValueAggregatorJobs(String[]) - Static method in class org.apache.hadoop.mapred.lib.aggregate.ValueAggregatorJob
 
createValueAggregatorJobs(String[], Class[]) - Static method in class org.apache.hadoop.mapreduce.lib.aggregate.ValueAggregatorJob
 
createValueAggregatorJobs(String[]) - Static method in class org.apache.hadoop.mapreduce.lib.aggregate.ValueAggregatorJob
 
createWriter(Configuration, SequenceFile.Writer.Option...) - Static method in class org.apache.hadoop.io.SequenceFile
使用给定的选项创建一个新的写入器。
createWriter(FileSystem, Configuration, Path, Class, Class) - Static method in class org.apache.hadoop.io.SequenceFile
createWriter(FileSystem, Configuration, Path, Class, Class, SequenceFile.CompressionType) - Static method in class org.apache.hadoop.io.SequenceFile
createWriter(FileSystem, Configuration, Path, Class, Class, SequenceFile.CompressionType, Progressable) - Static method in class org.apache.hadoop.io.SequenceFile
createWriter(FileSystem, Configuration, Path, Class, Class, SequenceFile.CompressionType, CompressionCodec) - Static method in class org.apache.hadoop.io.SequenceFile
createWriter(FileSystem, Configuration, Path, Class, Class, SequenceFile.CompressionType, CompressionCodec, Progressable, SequenceFile.Metadata) - Static method in class org.apache.hadoop.io.SequenceFile
createWriter(FileSystem, Configuration, Path, Class, Class, int, short, long, SequenceFile.CompressionType, CompressionCodec, Progressable, SequenceFile.Metadata) - Static method in class org.apache.hadoop.io.SequenceFile
createWriter(FileSystem, Configuration, Path, Class, Class, int, short, long, boolean, SequenceFile.CompressionType, CompressionCodec, SequenceFile.Metadata) - Static method in class org.apache.hadoop.io.SequenceFile
Deprecated.
createWriter(FileContext, Configuration, Path, Class, Class, SequenceFile.CompressionType, CompressionCodec, SequenceFile.Metadata, EnumSet, Options.CreateOpts...) - Static method in class org.apache.hadoop.io.SequenceFile
构建首选的SequenceFile Writer类型。
createWriter(FileSystem, Configuration, Path, Class, Class, SequenceFile.CompressionType, CompressionCodec, Progressable) - Static method in class org.apache.hadoop.io.SequenceFile
createWriter(Configuration, FSDataOutputStream, Class, Class, SequenceFile.CompressionType, CompressionCodec, SequenceFile.Metadata) - Static method in class org.apache.hadoop.io.SequenceFile
createWriter(Configuration, FSDataOutputStream, Class, Class, SequenceFile.CompressionType, CompressionCodec) - Static method in class org.apache.hadoop.io.SequenceFile
createYarnClient() - Static method in class org.apache.hadoop.yarn.client.api.YarnClient
创建一个新的YarnClient实例。
createYarnClient() - Method in class org.apache.hadoop.yarn.client.cli.LogsCLI
 
CREDENTIAL_PROVIDER_PATH - Static variable in class org.apache.hadoop.security.alias.CredentialProviderFactory
 
CredentialBasedAccessTokenProvider - Class in org.apache.hadoop.hdfs.web.oauth2
通过基于凭证的OAuth2工作流程获取访问令牌。
CredentialInitializationException - Exception in org.apache.hadoop.fs.s3a
Hadoop的AWSCredentialsProvider实现类在凭证设置出现问题时应该抛出的异常。
CredentialInitializationException(String, Throwable) - Constructor for exception org.apache.hadoop.fs.s3a.CredentialInitializationException
 
CredentialInitializationException(String) - Constructor for exception org.apache.hadoop.fs.s3a.CredentialInitializationException
 
CredentialProvider - Class in org.apache.hadoop.security.alias
为Hadoop应用程序提供凭据或密码的提供者。
CredentialProvider() - Constructor for class org.apache.hadoop.security.alias.CredentialProvider
 
CredentialProviderFactory - Class in org.apache.hadoop.security.alias
一个工厂,用于根据配置中给定的路径创建CredentialProvider列表。
CredentialProviderFactory() - Constructor for class org.apache.hadoop.security.alias.CredentialProviderFactory
 
凭据 - Class in org.apache.hadoop.security
一个提供读写密钥和令牌功能的类。
Credentials() - Constructor for class org.apache.hadoop.security.Credentials
创建一个空的凭据实例。
凭据(Credentials) - Constructor for class org.apache.hadoop.security.Credentials
创建给定凭据的副本。
CS_CONFIGURATION_FILE - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
csi.v0 - package csi.v0
 
CSV_HEADER_OPT_IGNORE - Static variable in class org.apache.hadoop.fs.s3a.select.SelectConstants
Deprecated.
忽略标题。
CSV_HEADER_OPT_NONE - Static variable in class org.apache.hadoop.fs.s3a.select.SelectConstants
Deprecated.
无标题行:第一行即为数据。
CSV_HEADER_OPT_USE - Static variable in class org.apache.hadoop.fs.s3a.select.SelectConstants
Deprecated.
使用头部。
CSV_INPUT_COMMENT_MARKER - Static variable in class org.apache.hadoop.fs.s3a.select.SelectConstants
Deprecated.
表示该行实际上是注释的字符串。
CSV_INPUT_COMMENT_MARKER_DEFAULT - Static variable in class org.apache.hadoop.fs.s3a.select.SelectConstants
Deprecated.
默认标记。
CSV_INPUT_FIELD_DELIMITER_DEFAULT - Static variable in class org.apache.hadoop.fs.s3a.select.SelectConstants
Deprecated.
默认字段分隔符。
CSV_INPUT_HEADER - Static variable in class org.apache.hadoop.fs.s3a.select.SelectConstants
Deprecated.
应如何使用标头? 值: "fs.s3a.select.input.csv.header".
CSV_INPUT_HEADER_OPT_DEFAULT - Static variable in class org.apache.hadoop.fs.s3a.select.SelectConstants
Deprecated.
默认头部模式:"ignore"。
CSV_INPUT_INPUT_FIELD_DELIMITER - Static variable in class org.apache.hadoop.fs.s3a.select.SelectConstants
Deprecated.
字段分隔符。
CSV_INPUT_QUOTE_CHARACTER - Static variable in class org.apache.hadoop.fs.s3a.select.SelectConstants
Deprecated.
引号字符。
CSV_INPUT_QUOTE_CHARACTER_DEFAULT - Static variable in class org.apache.hadoop.fs.s3a.select.SelectConstants
Deprecated.
默认引用字符。
CSV_INPUT_QUOTE_ESCAPE_CHARACTER - Static variable in class org.apache.hadoop.fs.s3a.select.SelectConstants
Deprecated.
用于转义引号的字符。
CSV_INPUT_QUOTE_ESCAPE_CHARACTER_DEFAULT - Static variable in class org.apache.hadoop.fs.s3a.select.SelectConstants
Deprecated.
默认的引号转义字符。
CSV_INPUT_RECORD_DELIMITER - Static variable in class org.apache.hadoop.fs.s3a.select.SelectConstants
Deprecated.
记录分隔符。
CSV_INPUT_RECORD_DELIMITER_DEFAULT - Static variable in class org.apache.hadoop.fs.s3a.select.SelectConstants
Deprecated.
默认分隔符 值: "\n".
CSV_OUTPUT_FIELD_DELIMITER - Static variable in class org.apache.hadoop.fs.s3a.select.SelectConstants
Deprecated.
字段分隔符。
CSV_OUTPUT_FIELD_DELIMITER_DEFAULT - Static variable in class org.apache.hadoop.fs.s3a.select.SelectConstants
Deprecated.
默认字段分隔符。
CSV_OUTPUT_QUOTE_CHARACTER - Static variable in class org.apache.hadoop.fs.s3a.select.SelectConstants
Deprecated.
引号字符。
CSV_OUTPUT_QUOTE_CHARACTER_DEFAULT - Static variable in class org.apache.hadoop.fs.s3a.select.SelectConstants
Deprecated.
默认引用字符。
CSV_OUTPUT_QUOTE_ESCAPE_CHARACTER - Static variable in class org.apache.hadoop.fs.s3a.select.SelectConstants
Deprecated.
用于转义引号的字符。
CSV_OUTPUT_QUOTE_ESCAPE_CHARACTER_DEFAULT - Static variable in class org.apache.hadoop.fs.s3a.select.SelectConstants
Deprecated.
默认的引号转义字符。
CSV_OUTPUT_QUOTE_FIELDS - Static variable in class org.apache.hadoop.fs.s3a.select.SelectConstants
Deprecated.
CSV字段是否需要加引号? 可选值之一:ALWAYS(始终)、ASNEEDED(按需) 参数值:"fs.s3a.select.output.csv.quote.fields"。
CSV_OUTPUT_QUOTE_FIELDS_ALWAYS - Static variable in class org.apache.hadoop.fs.s3a.select.SelectConstants
Deprecated.
输出引用策略(默认): "always".
CSV_OUTPUT_QUOTE_FIELDS_AS_NEEEDED - Static variable in class org.apache.hadoop.fs.s3a.select.SelectConstants
Deprecated.
输出引用策略:"按需"。
CSV_OUTPUT_RECORD_DELIMITER - Static variable in class org.apache.hadoop.fs.s3a.select.SelectConstants
Deprecated.
记录分隔符。
CSV_OUTPUT_RECORD_DELIMITER_DEFAULT - Static variable in class org.apache.hadoop.fs.s3a.select.SelectConstants
Deprecated.
默认分隔符 值: "\n".
CsvRecordOutput - Class in org.apache.hadoop.record
Deprecated.
Replaced by Avro.
CsvRecordOutput(OutputStream) - Constructor for class org.apache.hadoop.record.CsvRecordOutput
Deprecated.
创建CsvRecordOutput的新实例
CUR_DIR - Static variable in class org.apache.hadoop.fs.Path
当前目录,"."。
CURATOR_LEADER_ELECTOR - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
Deprecated.
Eventually, we want to default to the curator-based implementation and remove the ActiveStandbyElector based implementation. We should remove this config then.
curReader - Variable in class org.apache.hadoop.mapred.lib.CombineFileRecordReader
 
curReader - Variable in class org.apache.hadoop.mapreduce.lib.input.CombineFileRecordReader
 
currentAuditContext() - Static method in class org.apache.hadoop.fs.audit.CommonAuditContext
获取当前的通用审计上下文。
currentConfig() - Method in interface org.apache.hadoop.metrics2.MetricsSystemMXBean
 
currentDownloadBytesPerSecond(long) - Method in class org.apache.hadoop.fs.azure.metrics.AzureFileSystemInstrumentation
记录当前观察到的每秒下载字节速率。
currentId - Variable in class org.apache.hadoop.security.token.delegation.AbstractDelegationTokenSecretManager
访问currentId受此对象锁保护。
currentThreadID() - Static method in class org.apache.hadoop.fs.audit.CommonAuditContext
一个线程ID,对于该进程是唯一的,并且在同一个线程上的所有S3A客户端之间共享,即使这些客户端使用不同的文件系统实例。
currentTokens - Variable in class org.apache.hadoop.security.token.delegation.AbstractDelegationTokenSecretManager
当前有效令牌的缓存,从DelegationTokenIdentifier映射到DelegationTokenInformation。
currentUploadBytesPerSecond(long) - Method in class org.apache.hadoop.fs.azure.metrics.AzureFileSystemInstrumentation
记录当前观察到的每秒上传字节速率。
currentUser() - Static method in class org.apache.hadoop.registry.client.binding.RegistryUtils
获取当前用户路径,格式化为注册表格式
CUSTOM_HEADER_PARAM - Static variable in class org.apache.hadoop.security.http.RestCsrfPreventionFilter
 
CUSTOM_HEADER_PARAM - Static variable in class org.apache.hadoop.security.http.XFrameOptionsFilter
 
CUSTOM_METHODS_TO_IGNORE_PARAM - Static variable in class org.apache.hadoop.security.http.RestCsrfPreventionFilter
 
CUSTOM_SIGNERS - Static variable in class org.apache.hadoop.fs.s3a.常量
自定义签名者列表。
CYPHER_GROUP - Static variable in class org.apache.hadoop.fs.s3a.audit.S3LogParser
记录日志组 "cypher"。

D

DATA_BLOCKS_BUFFER - Static variable in class org.apache.hadoop.fs.azurebfs.constants.ConfigurationKeys
使用什么数据块缓冲区。
DATA_BLOCKS_BUFFER_DEFAULT - Static variable in class org.apache.hadoop.fs.azurebfs.constants.FileSystemConfigurations
默认缓冲区选项:"bytebuffer"。
DATA_BLOCKS_BUFFER_DISK - Static variable in class org.apache.hadoop.fs.azurebfs.constants.FileSystemConfigurations
将缓冲块写入磁盘。
DATA_BLOCKS_BYTEBUFFER - Static variable in class org.apache.hadoop.fs.azurebfs.constants.FileSystemConfigurations
 
DATA_FIELD_SEPARATOR - Static variable in class org.apache.hadoop.mapreduce.lib.fieldsel.FieldSelectionHelper
 
DATA_FIELD_SEPERATOR - Static variable in class org.apache.hadoop.mapreduce.lib.fieldsel.FieldSelectionHelper
DATA_FILE_NAME - Static variable in class org.apache.hadoop.io.MapFile
数据文件的名称。
DataDrivenDBInputFormat<T extends DBWritable> - Class in org.apache.hadoop.mapreduce.lib.db
一种从SQL表中读取输入数据的InputFormat。
DataDrivenDBInputFormat() - Constructor for class org.apache.hadoop.mapreduce.lib.db.DataDrivenDBInputFormat
 
DataDrivenDBRecordReader<T extends DBWritable> - Class in org.apache.hadoop.mapreduce.lib.db
一个从SQL表读取记录的RecordReader,使用数据驱动的WHERE子句分割。
DataDrivenDBRecordReader(DBInputFormat.DBInputSplit, Class, Configuration, Connection, DBConfiguration, String, String[], String, String) - Constructor for class org.apache.hadoop.mapreduce.lib.db.DataDrivenDBRecordReader
 
DataOutputOutputStream - Class in org.apache.hadoop.io
实现包装DataOutput的OutputStream。
dataPattern - Static variable in class org.apache.hadoop.mapreduce.tools.CLI
 
DATE_INFO_KEY - Static variable in class org.apache.hadoop.yarn.api.records.timelineservice.FlowActivityEntity
 
DateSplitter - Class in org.apache.hadoop.mapreduce.lib.db
在日期/时间值上实现DBSplitter。
DateSplitter() - Constructor for class org.apache.hadoop.mapreduce.lib.db.DateSplitter
 
dateToString(Date) - Method in class org.apache.hadoop.mapreduce.lib.db.DateSplitter
给定一个日期'd',将其格式化为字符串以便在SQL日期比较操作中使用。
dateToString(Date) - Method in class org.apache.hadoop.mapreduce.lib.db.OracleDateSplitter
 
dbConf - Variable in class org.apache.hadoop.mapreduce.lib.db.DBInputFormat
 
DBConfiguration - Class in org.apache.hadoop.mapred.lib.db
 
DBConfiguration - Class in org.apache.hadoop.mapreduce.lib.db
用于配置具有数据库输入/输出作业的属性名称的容器。
DBConfiguration(Configuration) - Constructor for class org.apache.hadoop.mapreduce.lib.db.DBConfiguration
 
DBInputFormat<T extends DBWritable> - Class in org.apache.hadoop.mapred.lib.db
 
DBInputFormat() - Constructor for class org.apache.hadoop.mapred.lib.db.DBInputFormat
 
DBInputFormat<T extends DBWritable> - Class in org.apache.hadoop.mapreduce.lib.db
一种从SQL表中读取输入数据的InputFormat。
DBInputFormat() - Constructor for class org.apache.hadoop.mapreduce.lib.db.DBInputFormat
 
DBOutputFormat<K extends DBWritable,V> - Class in org.apache.hadoop.mapred.lib.db
 
DBOutputFormat() - Constructor for class org.apache.hadoop.mapred.lib.db.DBOutputFormat
 
DBOutputFormat<K extends DBWritable,V> - Class in org.apache.hadoop.mapreduce.lib.db
一种将reduce输出发送到SQL表的OutputFormat。
DBOutputFormat() - Constructor for class org.apache.hadoop.mapreduce.lib.db.DBOutputFormat
 
dbProductName - Variable in class org.apache.hadoop.mapreduce.lib.db.DBInputFormat
 
dbProductName - Variable in class org.apache.hadoop.mapreduce.lib.db.DBOutputFormat
 
DBRecordReader<T extends DBWritable> - Class in org.apache.hadoop.mapreduce.lib.db
一个从SQL表读取记录的RecordReader。
DBRecordReader(DBInputFormat.DBInputSplit, Class, Configuration, Connection, DBConfiguration, String, String[], String) - Constructor for class org.apache.hadoop.mapreduce.lib.db.DBRecordReader
 
DBSplitter - Interface in org.apache.hadoop.mapreduce.lib.db
DBSplitter将生成DBInputSplits以便与DataDrivenDBInputFormat一起使用。
DBWritable - Interface in org.apache.hadoop.mapred.lib.db
 
DBWritable - Interface in org.apache.hadoop.mapreduce.lib.db
Objects that are read from/written to a database should implement DBWritable.
DEBUG_NM_DELETE_DELAY_SEC - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
删除资源前的延迟时间,便于调试NM问题
debugCmdSet - Variable in class org.apache.hadoop.hdfs.server.namenode.DefaultAuditLogger
提供调试消息的命令列表。
DECEMBER_2019_API_VERSION - Static variable in class org.apache.hadoop.fs.azurebfs.constants.AbfsHttpConstants
Deprecated.
decode(byte[]) - Static method in class org.apache.hadoop.io.Text
 
decode(byte[], int, int) - Static method in class org.apache.hadoop.io.Text
 
decode(byte[], int, int, boolean) - Static method in class org.apache.hadoop.io.Text
 
decodeFromUrlString(String) - Method in class org.apache.hadoop.security.token.Token
将给定的URL安全字符串解码为此令牌。
decodeIdentifier() - Method in class org.apache.hadoop.security.token.Token
获取令牌标识符对象,如果无法构造则返回null(例如,因为无法加载类)。
decodeTokenIdentifier(Token) - Method in class org.apache.hadoop.security.token.delegation.AbstractDelegationTokenSecretManager
解码令牌标识符。
decodeValue(String) - Static method in enum org.apache.hadoop.fs.XAttrCodec
解码值的字符串表示并检查其是否已编码。
decodeVIntSize(byte) - Static method in class org.apache.hadoop.io.WritableUtils
解析vint/vlong的第一个字节以确定字节数
decommissionedInstances(List) - Method in class org.apache.hadoop.yarn.service.api.records.组件
已停用的组件实例列表。
decompress(byte[], int, int) - Method in class org.apache.hadoop.io.compress.BlockDecompressorStream
 
decompress(byte[], int, int) - Method in interface org.apache.hadoop.io.compress.Decompressor
用未压缩的数据填充指定的缓冲区。
decompress(byte[], int, int) - Method in class org.apache.hadoop.io.compress.DecompressorStream
 
decompress(ByteBuffer, ByteBuffer) - Method in interface org.apache.hadoop.io.compress.DirectDecompressor
 
解压缩器 - Interface in org.apache.hadoop.io.compress
Specification of a stream-based 'de-compressor' which can be plugged into a CompressionInputStream to compress data.
decompressor - Variable in class org.apache.hadoop.io.compress.DecompressorStream
 
DecompressorStream - Class in org.apache.hadoop.io.compress
 
DecompressorStream(InputStream, Decompressor, int) - Constructor for class org.apache.hadoop.io.compress.DecompressorStream
 
DecompressorStream(InputStream, Decompressor) - Constructor for class org.apache.hadoop.io.compress.DecompressorStream
 
DecompressorStream(InputStream) - Constructor for class org.apache.hadoop.io.compress.DecompressorStream
允许派生类直接设置底层流。
decr() - Method in class org.apache.hadoop.metrics2.lib.MutableGauge
将指标值减1
decr() - Method in class org.apache.hadoop.metrics2.lib.MutableGaugeInt
 
decr(int) - Method in class org.apache.hadoop.metrics2.lib.MutableGaugeInt
按delta递减
decr() - Method in class org.apache.hadoop.metrics2.lib.MutableGaugeLong
 
decr(long) - Method in class org.apache.hadoop.metrics2.lib.MutableGaugeLong
按delta递减
DEFALUT_RM_PROXY_TIMEOUT_ENABLED - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT - Static variable in enum org.apache.hadoop.fs.StorageType
 
DEFAULT_ABFS_LATENCY_TRACK - Static variable in class org.apache.hadoop.fs.azurebfs.constants.FileSystemConfigurations
 
DEFAULT_ACCOUNT_OPERATION_IDLE_TIMEOUT_MS - Static variable in class org.apache.hadoop.fs.azurebfs.constants.FileSystemConfigurations
 
DEFAULT_ALLOW_REQUESTER_PAYS - Static variable in class org.apache.hadoop.fs.s3a.常量
Default configuration for "fs.s3a.requester.pays.enabled": false.
DEFAULT_ALWAYS_READ_BUFFER_SIZE - Static variable in class org.apache.hadoop.fs.azurebfs.constants.FileSystemConfigurations
 
DEFAULT_AM_SCHEDULING_NODE_BLACKLISTING_DISABLE_THRESHOLD - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_AM_SCHEDULING_NODE_BLACKLISTING_ENABLED - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_AMRM_PROXY_ADDRESS - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_AMRM_PROXY_CLIENT_THREAD_COUNT - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_AMRM_PROXY_ENABLED - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_AMRM_PROXY_HA_ENABLED - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_AMRM_PROXY_INTERCEPTOR_CLASS_PIPELINE - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_AMRM_PROXY_PORT - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_AMRM_PROXY_WAIT_UAM_REGISTER_DONE - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_ANALYSIS_PERIOD_MS - Static variable in class org.apache.hadoop.fs.azurebfs.constants.FileSystemConfigurations
 
DEFAULT_APACHE_HTTP_CLIENT_MAX_IO_EXCEPTION_RETRIES - Static variable in class org.apache.hadoop.fs.azurebfs.constants.FileSystemConfigurations
 
DEFAULT_APP_ATTEMPT_DIAGNOSTICS_LIMIT_KC - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_APP_FINAL_VALUE_RETENTION_THRESHOLD - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
该设置控制已完成应用程序的指标最终值在合并到流量总和之前保留的时长。
DEFAULT_APPLICATION_HISTORY_ENABLED - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_APPLICATION_HISTORY_MAX_APPS - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_APPLICATION_HISTORY_SAVE_NON_AM_CONTAINER_META_INFO - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_APPLICATION_NAME - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
默认应用程序名称
DEFAULT_APPLICATION_TAG_BASED_PLACEMENT_ENABLED - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_APPLICATION_TAG_FORCE_LOWERCASE_CONVERSION - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_APPLICATION_TYPE - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
默认应用程序类型
DEFAULT_APPS_CACHE_ENABLE - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_APPS_CACHE_EXPIRE - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_APPS_CACHE_SIZE - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_ASSUMED_ROLE_STS_ENDPOINT - Static variable in class org.apache.hadoop.fs.s3a.常量
会话令牌的默认端点:""。
DEFAULT_ASYNC_DRAIN_THRESHOLD - Static variable in class org.apache.hadoop.fs.s3a.常量
This is a number based purely on experimentation in ITestS3AInputStreamPerformance.
DEFAULT_ATS_APP_COLLECTOR_LINGER_PERIOD_IN_MS - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_AUTHORITATIVE_PATH - Static variable in class org.apache.hadoop.fs.s3a.常量
 
DEFAULT_AUTO_FAILOVER_EMBEDDED - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
Deprecated.
The YarnConfiguration.AUTO_FAILOVER_EMBEDDED property is deprecated.
DEFAULT_AUTO_FAILOVER_ENABLED - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_AUTO_FAILOVER_ZK_BASE_PATH - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_AWS_S3_CLASSLOADER_ISOLATION - Static variable in class org.apache.hadoop.fs.s3a.常量
DEFAULT_AWS_S3_VECTOR_ACTIVE_RANGE_READS - Static variable in class org.apache.hadoop.fs.s3a.常量
在向量化读取期间排队的范围数据下载操作限制。
DEFAULT_AWS_S3_VECTOR_READS_MAX_MERGED_READ_SIZE - Static variable in class org.apache.hadoop.fs.s3a.常量
向量化读取期间的默认最大读取大小(字节):1048576。
DEFAULT_AWS_S3_VECTOR_READS_MIN_SEEK_SIZE - Static variable in class org.apache.hadoop.fs.s3a.常量
向量读取期间的默认最小寻址字节数:4096。
DEFAULT_AZURE_CREATE_REMOTE_FILESYSTEM_DURING_INITIALIZATION - Static variable in class org.apache.hadoop.fs.azurebfs.constants.FileSystemConfigurations
 
DEFAULT_AZURE_DELETE_THREADS - Static variable in class org.apache.hadoop.fs.azure.NativeAzureFileSystem
用于删除操作的默认线程数。
DEFAULT_AZURE_ENABLE_SMALL_WRITE_OPTIMIZATION - Static variable in class org.apache.hadoop.fs.azurebfs.constants.FileSystemConfigurations
 
DEFAULT_AZURE_LIST_MAX_RESULTS - Static variable in class org.apache.hadoop.fs.azurebfs.constants.FileSystemConfigurations
 
DEFAULT_AZURE_OAUTH_TOKEN_FETCH_RETRY_DELTA_BACKOFF - Static variable in class org.apache.hadoop.fs.azurebfs.constants.FileSystemConfigurations
 
DEFAULT_AZURE_OAUTH_TOKEN_FETCH_RETRY_MAX_ATTEMPTS - Static variable in class org.apache.hadoop.fs.azurebfs.constants.FileSystemConfigurations
 
DEFAULT_AZURE_OAUTH_TOKEN_FETCH_RETRY_MAX_BACKOFF_INTERVAL - Static variable in class org.apache.hadoop.fs.azurebfs.constants.FileSystemConfigurations
 
DEFAULT_AZURE_OAUTH_TOKEN_FETCH_RETRY_MIN_BACKOFF_INTERVAL - Static variable in class org.apache.hadoop.fs.azurebfs.constants.FileSystemConfigurations
 
DEFAULT_AZURE_RENAME_THREADS - Static variable in class org.apache.hadoop.fs.azure.NativeAzureFileSystem
用于重命名操作的默认线程数。
DEFAULT_AZURE_SKIP_USER_GROUP_METADATA_DURING_INITIALIZATION - Static variable in class org.apache.hadoop.fs.azurebfs.constants.FileSystemConfigurations
 
DEFAULT_BACKOFF_INTERVAL - Static variable in class org.apache.hadoop.fs.azurebfs.constants.FileSystemConfigurations
 
DEFAULT_BITLENGTH - Static variable in class org.apache.hadoop.crypto.key.KeyProvider
 
DEFAULT_BITLENGTH_NAME - Static variable in class org.apache.hadoop.crypto.key.KeyProvider
 
DEFAULT_BLOCK_SIZE - Static variable in class org.apache.hadoop.fs.ftp.FTPFileSystem
 
DEFAULT_BUFFER_SIZE - Static variable in class org.apache.hadoop.fs.ftp.FTPFileSystem
 
DEFAULT_CANNED_ACL - Static variable in class org.apache.hadoop.fs.s3a.常量
 
DEFAULT_CIPHER - Static variable in class org.apache.hadoop.crypto.key.KeyProvider
 
DEFAULT_CIPHER_NAME - Static variable in class org.apache.hadoop.crypto.key.KeyProvider
 
DEFAULT_CLASS_NAME - Static variable in class org.apache.hadoop.yarn.client.api.AppAdminClient
 
DEFAULT_CLIENT_FAILOVER_NO_HA_PROXY_PROVIDER - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_CLIENT_FAILOVER_PROXY_PROVIDER - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_CLIENT_FAILOVER_RETRIES - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_CLIENT_FAILOVER_RETRIES_ON_SOCKET_TIMEOUTS - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_CLIENT_NM_CONNECT_MAX_WAIT_MS - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_CLIENT_NM_CONNECT_RETRY_INTERVAL_MS - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_CLIENTRM_SUBMIT_INTERVAL_TIME - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_CLOCK_SKEW_WITH_SERVER_IN_MS - Static variable in class org.apache.hadoop.fs.azurebfs.constants.FileSystemConfigurations
 
DEFAULT_CLUSTER_LEVEL_APPLICATION_PRIORITY - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_CODEC_EXTENSION - Static variable in class org.apache.hadoop.io.compress.CodecConstants
Default extension for DefaultCodec.
DEFAULT_COMMITTER_THREADS - Static variable in class org.apache.hadoop.fs.s3a.commit.CommitConstants
DEFAULT_CONFIGURATION_STORE - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_CONFLICT_MODE - Static variable in class org.apache.hadoop.fs.s3a.commit.CommitConstants
默认冲突模式:"append"。
DEFAULT_CONNECTION_ACQUISITION_TIMEOUT_DURATION - Static variable in class org.apache.hadoop.fs.s3a.常量
默认采集超时时间:60秒。
DEFAULT_CONNECTION_IDLE_TIME_DURATION - Static variable in class org.apache.hadoop.fs.s3a.常量
默认空闲时间:60秒。
DEFAULT_CONNECTION_KEEPALIVE - Static variable in class org.apache.hadoop.fs.s3a.常量
Default value of Constants.CONNECTION_KEEPALIVE: false.
DEFAULT_CONNECTION_TTL - Static variable in class org.apache.hadoop.fs.s3a.常量
DEFAULT_CONNECTION_TTL_DURATION - Static variable in class org.apache.hadoop.fs.s3a.常量
Default duration for Constants.CONNECTION_TTL: 5 minutes.
DEFAULT_CONTAINER_TEMP_DIR - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
容器临时目录
DEFAULT_CREATE_SUCCESSFUL_JOB_DIR_MARKER - Static variable in class org.apache.hadoop.fs.s3a.commit.CommitConstants
默认作业标记选项:true。
DEFAULT_CREATE_SUCCESSFUL_JOB_DIR_MARKER - Static variable in class org.apache.hadoop.mapreduce.lib.output.committer.manifest.ManifestCommitterConstants
默认作业标记选项:true。
DEFAULT_CURATOR_LEADER_ELECTOR_ENABLED - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_CUSTOM_TOKEN_FETCH_RETRY_COUNT - Static variable in class org.apache.hadoop.fs.azurebfs.constants.FileSystemConfigurations
 
DEFAULT_DELEGATION_TOKEN_BINDING - Static variable in class org.apache.hadoop.fs.s3a.auth.delegation.DelegationConstants
默认令牌绑定 ""。
DEFAULT_DELEGATION_TOKEN_DURATION - Static variable in class org.apache.hadoop.fs.s3a.auth.delegation.DelegationConstants
委托令牌的默认持续时间:"1h"。
DEFAULT_DELEGATION_TOKEN_ENDPOINT - Static variable in class org.apache.hadoop.fs.s3a.auth.delegation.DelegationConstants
会话令牌的默认端点:""。
DEFAULT_DELEGATION_TOKEN_REGION - Static variable in class org.apache.hadoop.fs.s3a.auth.delegation.DelegationConstants
Region 默认值: "".
DEFAULT_DELETE_CONSIDERED_IDEMPOTENT - Static variable in class org.apache.hadoop.fs.azurebfs.constants.FileSystemConfigurations
 
DEFAULT_DIRECTORY_MARKER_POLICY - Static variable in class org.apache.hadoop.fs.s3a.常量
默认保留策略:"keep"。
DEFAULT_DISABLE_OUTPUTSTREAM_FLUSH - Static variable in class org.apache.hadoop.fs.azurebfs.constants.FileSystemConfigurations
 
DEFAULT_DISK_VALIDATOR - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_DISPATCHER_DRAIN_EVENTS_TIMEOUT - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_DISPLAY_APPS_FOR_LOGGED_IN_USER - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_DIST_SCHEDULING_ENABLED - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_DNS_ENABLED - Static variable in interface org.apache.hadoop.registry.client.api.RegistryConstants
Registry中启用DNS的默认值:false。
DEFAULT_DNS_PORT - Static variable in interface org.apache.hadoop.registry.client.api.RegistryConstants
默认DNS端口号。
DEFAULT_DNS_SPLIT_REVERSE_ZONE - Static variable in interface org.apache.hadoop.registry.client.api.RegistryConstants
反向区域分割的默认值。
DEFAULT_DNSSEC_PRIVATE_KEY_FILE - Static variable in interface org.apache.hadoop.registry.client.api.RegistryConstants
默认DNSSEC私钥文件路径。
DEFAULT_ENABLE_ABFS_CHECKSUM_VALIDATION - Static variable in class org.apache.hadoop.fs.azurebfs.constants.FileSystemConfigurations
 
DEFAULT_ENABLE_ABFS_LIST_ITERATOR - Static variable in class org.apache.hadoop.fs.azurebfs.constants.FileSystemConfigurations
 
DEFAULT_ENABLE_ABFS_RENAME_RESILIENCE - Static variable in class org.apache.hadoop.fs.azurebfs.constants.FileSystemConfigurations
 
DEFAULT_ENABLE_AUTOTHROTTLING - Static variable in class org.apache.hadoop.fs.azurebfs.constants.FileSystemConfigurations
 
DEFAULT_ENABLE_CHECK_ACCESS - Static variable in class org.apache.hadoop.fs.azurebfs.constants.FileSystemConfigurations
 
DEFAULT_ENABLE_DELEGATION_TOKEN - Static variable in class org.apache.hadoop.fs.azurebfs.constants.FileSystemConfigurations
 
DEFAULT_ENABLE_FLUSH - Static variable in class org.apache.hadoop.fs.azurebfs.constants.FileSystemConfigurations
 
DEFAULT_ENABLE_HTTPS - Static variable in class org.apache.hadoop.fs.azurebfs.constants.FileSystemConfigurations
 
DEFAULT_ENABLE_PAGINATED_DELETE - Static variable in class org.apache.hadoop.fs.azurebfs.constants.FileSystemConfigurations
 
DEFAULT_ENABLE_READAHEAD - Static variable in class org.apache.hadoop.fs.azurebfs.constants.FileSystemConfigurations
 
DEFAULT_ENABLE_REST_APP_SUBMISSIONS - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_ENDPOINT - Static variable in class org.apache.hadoop.fs.s3a.常量
s3端点的默认值:""。
DEFAULT_ENTITY_PREFIX - Static variable in class org.apache.hadoop.yarn.api.records.timelineservice.TimelineEntity
 
DEFAULT_ESTABLISH_TIMEOUT - Static variable in class org.apache.hadoop.fs.s3a.常量
DEFAULT_ESTABLISH_TIMEOUT_DURATION - Static variable in class org.apache.hadoop.fs.s3a.常量
默认TCP/(和TLS?)建立超时时间:30秒。
DEFAULT_EXECUTOR_CAPACITY - Static variable in class org.apache.hadoop.fs.s3a.常量
The capacity of executor queues for operations other than block upload, where Constants.FAST_UPLOAD_ACTIVE_BLOCKS is used instead.
DEFAULT_EXPIRE - Static variable in class org.apache.hadoop.yarn.util.AbstractLivelinessMonitor
 
DEFAULT_EXTENSION - Static variable in class org.apache.hadoop.io.compress.PassthroughCodec
这个默认扩展的存在是为了在未定义任何扩展时,仍能返回一个值:".passthrough"。
DEFAULT_FAST_BUFFER_SIZE - Static variable in class org.apache.hadoop.fs.s3a.常量
 
DEFAULT_FAST_UPLOAD - Static variable in class org.apache.hadoop.fs.s3a.常量
Deprecated.
DEFAULT_FAST_UPLOAD_ACTIVE_BLOCKS - Static variable in class org.apache.hadoop.fs.s3a.常量
写入块之前排队的块上传操作限制。
DEFAULT_FAST_UPLOAD_BUFFER - Static variable in class org.apache.hadoop.fs.s3a.常量
默认缓冲区选项:"disk"。
DEFAULT_FEDERATION_ALLOCATION_HISTORY_MAX_ENTRY - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_FEDERATION_AMRMPROXY_HB_MAX_WAIT_MS - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_FEDERATION_AMRMPROXY_REGISTER_UAM_RETRY_COUNT - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_FEDERATION_AMRMPROXY_REGISTER_UAM_RETRY_INTERVAL - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_FEDERATION_AMRMPROXY_SUBCLUSTER_TIMEOUT - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_FEDERATION_BLACKLIST_SUBCLUSTERS - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_FEDERATION_CACHE_ENTITY_NUMS - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_FEDERATION_CACHE_TIME_TO_LIVE_SECS - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_FEDERATION_CLUSTER_RESOLVER_CLASS - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_FEDERATION_ENABLED - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_FEDERATION_FACADE_CACHE_CLASS - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_FEDERATION_FAILOVER_ENABLED - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_FEDERATION_FLUSH_CACHE_FOR_RM_ADDR - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_FEDERATION_GPG_LOAD_BASED_MAX_EDIT - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_FEDERATION_GPG_LOAD_BASED_MAX_PENDING - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_FEDERATION_GPG_LOAD_BASED_MIN_PENDING - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_FEDERATION_GPG_LOAD_BASED_MIN_WEIGHT - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_FEDERATION_GPG_LOAD_BASED_SCALING - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_FEDERATION_NON_HA_ENABLED - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_FEDERATION_POLICY_KEY - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_FEDERATION_POLICY_MANAGER - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_FEDERATION_POLICY_MANAGER_PARAMS - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_FEDERATION_REGISTRY_BASE_KEY - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_FEDERATION_STATESTORE_CLEANUP_RETRY_COUNT - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_FEDERATION_STATESTORE_CLEANUP_RETRY_SLEEP_TIME - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_FEDERATION_STATESTORE_CLIENT_CLASS - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_FEDERATION_STATESTORE_CONN_IDLE_TIMEOUT_TIME - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_FEDERATION_STATESTORE_CONN_MAX_LIFE_TIME - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
数据库连接的最大生命周期。
DEFAULT_FEDERATION_STATESTORE_CONNECTION_TIMEOUT_TIME - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_FEDERATION_STATESTORE_HEARTBEAT_INITIAL_DELAY - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_FEDERATION_STATESTORE_HEARTBEAT_INTERVAL_SECS - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_FEDERATION_STATESTORE_MAX_APPLICATIONS - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_FEDERATION_STATESTORE_POOL_NAME - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
数据库连接池的默认名称。
DEFAULT_FEDERATION_STATESTORE_SQL_JDBC_CLASS - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_FEDERATION_STATESTORE_SQL_MAXCONNECTIONS - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_FEDERATION_STATESTORE_SQL_MINIMUMIDLE - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
数据库连接池中最小连接数的默认值。
DEFAULT_FEDERATION_STATESTORE_ZK_PARENT_PATH - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_FEDERATION_YARN_CLIENT_FAILOVER_RANDOM_ORDER - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_FILTER_INVALID_XML_CHARS - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_FLOW_VERSION - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
任何流程的默认版本。
DEFAULT_FLOW_VERSION - Static variable in class org.apache.hadoop.yarn.util.timeline.TimelineUtils
 
DEFAULT_FOOTER_READ_BUFFER_SIZE - Static variable in class org.apache.hadoop.fs.azurebfs.constants.FileSystemConfigurations
 
DEFAULT_FS - Static variable in class org.apache.hadoop.fs.FileSystem
 
DEFAULT_FS_APPLICATION_HISTORY_STORE_COMPRESSION_TYPE - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_FS_AZURE_ACCOUNT_IS_EXPECT_HEADER_ENABLED - Static variable in class org.apache.hadoop.fs.azurebfs.constants.FileSystemConfigurations
 
DEFAULT_FS_AZURE_ACCOUNT_IS_HNS_ENABLED - Static variable in class org.apache.hadoop.fs.azurebfs.constants.FileSystemConfigurations
 
DEFAULT_FS_AZURE_ACCOUNT_LEVEL_THROTTLING_ENABLED - Static variable in class org.apache.hadoop.fs.azurebfs.constants.FileSystemConfigurations
 
DEFAULT_FS_AZURE_ACCOUNT_OAUTH_MSI_AUTHORITY - Static variable in class org.apache.hadoop.fs.azurebfs.constants.AuthConfigurations
MSI流程的默认权限值。
DEFAULT_FS_AZURE_ACCOUNT_OAUTH_MSI_ENDPOINT - Static variable in class org.apache.hadoop.fs.azurebfs.constants.AuthConfigurations
MSI流程的默认OAuth令牌端点。
DEFAULT_FS_AZURE_ACCOUNT_OAUTH_REFRESH_TOKEN_ENDPOINT - Static variable in class org.apache.hadoop.fs.azurebfs.constants.AuthConfigurations
刷新令牌流程的默认OAuth令牌端点。
DEFAULT_FS_AZURE_ACCOUNT_OAUTH_TOKEN_FILE - Static variable in class org.apache.hadoop.fs.azurebfs.constants.AuthConfigurations
工作负载身份流程的默认OAuth令牌文件路径。
DEFAULT_FS_AZURE_APPEND_BLOB_DIRECTORIES - Static variable in class org.apache.hadoop.fs.azurebfs.constants.FileSystemConfigurations
 
DEFAULT_FS_AZURE_ATOMIC_RENAME_DIRECTORIES - Static variable in class org.apache.hadoop.fs.azurebfs.constants.FileSystemConfigurations
 
DEFAULT_FS_AZURE_ENABLE_CONDITIONAL_CREATE_OVERWRITE - Static variable in class org.apache.hadoop.fs.azurebfs.constants.FileSystemConfigurations
 
DEFAULT_FS_AZURE_ENABLE_MKDIR_OVERWRITE - Static variable in class org.apache.hadoop.fs.azurebfs.constants.FileSystemConfigurations
 
DEFAULT_FS_AZURE_INFINITE_LEASE_DIRECTORIES - Static variable in class org.apache.hadoop.fs.azurebfs.constants.FileSystemConfigurations
 
DEFAULT_FS_AZURE_SSL_CHANNEL_MODE - Static variable in class org.apache.hadoop.fs.azurebfs.constants.FileSystemConfigurations
 
DEFAULT_FS_AZURE_USER_AGENT_PREFIX - Static variable in class org.apache.hadoop.fs.azurebfs.constants.FileSystemConfigurations
 
DEFAULT_FS_BASED_RM_CONF_STORE - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_FS_NODE_LABELS_STORE_IMPL_CLASS - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_FS_RM_STATE_STORE_NUM_RETRIES - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_FS_RM_STATE_STORE_RETRY_INTERVAL_MS - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_FS_S3A_COMMITTER_ABORT_PENDING_UPLOADS - Static variable in class org.apache.hadoop.fs.s3a.commit.CommitConstants
DEFAULT_FS_STORE_FILE_REPLICATION - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_GPG_APPCLEANER_CLASS - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_GPG_APPCLEANER_CONTACT_ROUTER_SPEC - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_GPG_APPCLEANER_INTERVAL_MS - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_GPG_GLOBAL_POLICY_CLASS - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_GPG_POLICY_GENERATOR_INTERVAL - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_GPG_POLICY_GENERATOR_READONLY - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_GPG_SCHEDULED_EXECUTOR_THREADS - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_GPG_SUBCLUSTER_CLEANER_INTERVAL_MS - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_GPG_SUBCLUSTER_EXPIRATION_MS - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_GPG_WEBAPP_ADDRESS - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_GPG_WEBAPP_CONNECT_TIMEOUT - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_GPG_WEBAPP_ENABLE_CORS_FILTER - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_GPG_WEBAPP_HTTPS_ADDRESS - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_GPG_WEBAPP_HTTPS_PORT - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_GPG_WEBAPP_PORT - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_GPG_WEBAPP_READ_TIMEOUT - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_GROUP - Static variable in class org.apache.hadoop.fs.azurebfs.constants.AbfsHttpConstants
 
DEFAULT_HDFS_LOCATION_FLOW_RUN_COPROCESSOR_JAR - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
flowrun coprocessor jar 的默认 hdfs 存储位置。
DEFAULT_HTTP_CLIENT_CONN_MAX_CACHED_CONNECTIONS - Static variable in class org.apache.hadoop.fs.azurebfs.constants.FileSystemConfigurations
 
DEFAULT_HTTP_CLIENT_CONN_MAX_IDLE_TIME - Static variable in class org.apache.hadoop.fs.azurebfs.constants.FileSystemConfigurations
 
DEFAULT_HTTP_CONNECTION_TIMEOUT - Static variable in class org.apache.hadoop.fs.azurebfs.constants.FileSystemConfigurations
设置HTTP连接时使用的连接超时默认值。
DEFAULT_HTTP_READ_TIMEOUT - Static variable in class org.apache.hadoop.fs.azurebfs.constants.FileSystemConfigurations
设置HTTP连接时使用的读取超时默认值。
DEFAULT_IN_MEMORY_CHECK_PERIOD_MINS - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_IN_MEMORY_INITIAL_DELAY_MINS - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_IN_MEMORY_STALENESS_PERIOD_MINS - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_IPC_CLIENT_FACTORY_CLASS - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_IPC_RECORD_FACTORY_CLASS - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_IPC_RPC_IMPL - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_IPC_SERVER_FACTORY_CLASS - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_KEEPALIVE_TIME - Static variable in class org.apache.hadoop.fs.s3a.常量
DEFAULT_KEEPALIVE_TIME_DURATION - Static variable in class org.apache.hadoop.fs.s3a.常量
Default value of Constants.KEEPALIVE_TIME: 60s.
DEFAULT_LEASE_BREAK_PERIOD - Static variable in class org.apache.hadoop.fs.azurebfs.constants.AbfsHttpConstants
 
DEFAULT_LEASE_DURATION - Static variable in class org.apache.hadoop.fs.azurebfs.constants.FileSystemConfigurations
 
DEFAULT_LEASE_THREADS - Static variable in class org.apache.hadoop.fs.azurebfs.constants.FileSystemConfigurations
 
DEFAULT_LIMIT - Static variable in class org.apache.hadoop.hdfs.protocol.CachePoolInfo
 
DEFAULT_LINUX_CONTAINER_RUNTIME_ALLOWED_RUNTIMES - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
使用LinuxContainerExecutor时允许的默认运行时列表。
DEFAULT_LIST_STATUS_NUM_THREADS - Static variable in class org.apache.hadoop.mapreduce.lib.input.FileInputFormat
 
DEFAULT_LIST_VERSION - Static variable in class org.apache.hadoop.fs.s3a.常量
 
DEFAULT_LOAD_BASED_SC_SELECTOR_ENABLED - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_LOAD_BASED_SC_SELECTOR_FAIL_ON_ERROR - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_LOAD_BASED_SC_SELECTOR_MULTIPLIER - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_LOAD_BASED_SC_SELECTOR_THRESHOLD - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_LOAD_BASED_SC_SELECTOR_USE_ACTIVE_CORE - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_LOG_AGGREGATION_DEBUG_FILESIZE - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_LOG_AGGREGATION_ENABLE_LOCAL_CLEANUP - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_LOG_AGGREGATION_ENABLED - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_LOG_AGGREGATION_RETAIN_CHECK_INTERVAL_SECONDS - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_LOG_AGGREGATION_RETAIN_SECONDS - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_LOG_AGGREGATION_STATUS_TIME_OUT_MS - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_LOG_LEVEL - Static variable in class org.apache.hadoop.mapred.JobConf
map/reduce任务的默认日志级别。
DEFAULT_MAGIC_COMMITTER_ENABLED - Static variable in class org.apache.hadoop.fs.s3a.commit.CommitConstants
默认情况下是否启用提交者:true。
DEFAULT_MAPRED_TASK_JAVA_OPTS - Static variable in class org.apache.hadoop.mapred.JobConf
 
DEFAULT_MAPREDUCE_RECOVER_JOB - Static variable in class org.apache.hadoop.mapred.JobConf
Deprecated.
DEFAULT_MASK - Static variable in class org.apache.hadoop.fs.azurebfs.constants.AbfsHttpConstants
 
DEFAULT_MAX_BACKOFF_INTERVAL - Static variable in class org.apache.hadoop.fs.azurebfs.constants.FileSystemConfigurations
 
DEFAULT_MAX_ERROR_RETRIES - Static variable in class org.apache.hadoop.fs.s3a.常量
AWS客户端库在将错误升级到S3A代码之前默认重试次数:5。
DEFAULT_MAX_LEN - Static variable in class org.apache.hadoop.io.Text
 
DEFAULT_MAX_PAGING_KEYS - Static variable in class org.apache.hadoop.fs.s3a.常量
 
DEFAULT_MAX_RELATIVE_EXPIRY - Static variable in class org.apache.hadoop.hdfs.protocol.CachePoolInfo
缓存池的默认最大相对过期时间。
DEFAULT_MAX_RETRY_ATTEMPTS - Static variable in class org.apache.hadoop.fs.azurebfs.constants.FileSystemConfigurations
 
DEFAULT_MAX_THREADS - Static variable in class org.apache.hadoop.fs.s3a.常量
Default value of Constants.MAX_THREADS: 96.
DEFAULT_MAX_TOTAL_TASKS - Static variable in class org.apache.hadoop.fs.s3a.常量
Default value for Constants.MAX_TOTAL_TASKS: 32.
DEFAULT_MAXIMUM_CONNECTIONS - Static variable in class org.apache.hadoop.fs.s3a.常量
Default value for Constants.MAXIMUM_CONNECTIONS: 500.
DEFAULT_METADATASTORE_AUTHORITATIVE - Static variable in class org.apache.hadoop.fs.s3a.常量
Deprecated.
DEFAULT_METADATASTORE_METADATA_TTL - Static variable in class org.apache.hadoop.fs.s3a.常量
Deprecated.
DEFAULT_MIN_BACKOFF_INTERVAL - Static variable in class org.apache.hadoop.fs.azurebfs.constants.FileSystemConfigurations
 
DEFAULT_MIN_MULTIPART_THRESHOLD - Static variable in class org.apache.hadoop.fs.s3a.常量
 
DEFAULT_MULTIPART_SIZE - Static variable in class org.apache.hadoop.fs.s3a.常量
 
DEFAULT_MULTIPART_UPLOAD_ENABLED - Static variable in class org.apache.hadoop.fs.s3a.常量
多部分上传的默认值。
DEFAULT_NETWORKING_LIBRARY - Static variable in class org.apache.hadoop.fs.azurebfs.constants.FileSystemConfigurations
 
DEFAULT_NM_ADDRESS - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_NM_ADMIN_FORCE_PATH - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_NM_ADMIN_USER_ENV - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_NM_AUX_SERVICES_MANIFEST_ENABLED - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_NM_AUX_SERVICES_MANIFEST_RELOAD_MS - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_NM_CLIENT_ASYNC_THREAD_POOL_MAX_SIZE - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_NM_CLIENT_MAX_NM_PROXIES - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_NM_COLLECTOR_SERVICE_ADDRESS - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_NM_COLLECTOR_SERVICE_PORT - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_NM_COLLECTOR_SERVICE_THREAD_COUNT - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_NM_CONTAINER_DIAGNOSTICS_MAXIMUM_SIZE - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_NM_CONTAINER_EXECUTOR_EXIT_FILE_TIMEOUT - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_NM_CONTAINER_EXECUTOR_SCHED_PRIORITY - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_NM_CONTAINER_LOG_DIR_SIZE_LIMIT_BYTES - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_NM_CONTAINER_LOG_MON_INTERVAL_MS - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_NM_CONTAINER_LOG_MONITOR_ENABLED - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_NM_CONTAINER_LOG_TOTAL_SIZE_LIMIT_BYTES - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_NM_CONTAINER_METRICS_ENABLE - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_NM_CONTAINER_METRICS_PERIOD_MS - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_NM_CONTAINER_METRICS_UNREGISTER_DELAY_MS - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_NM_CONTAINER_MGR_THREAD_COUNT - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_NM_CONTAINER_MON_INTERVAL_MS - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
Deprecated.
DEFAULT_NM_CONTAINER_MONITOR_ENABLED - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_NM_CONTAINER_QUEUING_LIMIT_STDEV - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_NM_CONTAINER_QUEUING_LOAD_COMPARATOR - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_NM_CONTAINER_QUEUING_MAX_QUEUE_LENGTH - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_NM_CONTAINER_QUEUING_MAX_QUEUE_WAIT_TIME_MS - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_NM_CONTAINER_QUEUING_MIN_QUEUE_LENGTH - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_NM_CONTAINER_QUEUING_MIN_QUEUE_WAIT_TIME_MS - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_NM_CONTAINER_QUEUING_SORTING_NODES_INTERVAL_MS - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_NM_CONTAINER_QUEUING_USE_PAUSE_FOR_PREEMPTION - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_NM_CONTAINER_RETRY_MINIMUM_INTERVAL_MS - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_NM_CONTAINER_STDERR_BYTES - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_NM_CONTAINER_STDERR_PATTERN - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_NM_COUNT_LOGICAL_PROCESSORS_AS_CORES - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_NM_CPU_RESOURCE_ENABLED - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_NM_DELETE_THREAD_COUNT - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_NM_DISK_FREE_SPACE_THRESHOLD_ENABLED - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_NM_DISK_HEALTH_CHECK_INTERVAL_MS - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
默认情况下,每2分钟检查一次磁盘的健康状态。
DEFAULT_NM_DISK_RESOURCE_ENABLED - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
默认情况下,磁盘作为资源是禁用的。
DEFAULT_NM_DISK_UTILIZATION_THRESHOLD_ENABLED - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_NM_DISPATCHER_METRIC_ENABLED - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_NM_DOCKER_ALLOW_DELAYED_REMOVAL - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
用户是否可以请求Docker容器遵循调试删除延迟的默认值。
DEFAULT_NM_DOCKER_ALLOW_HOST_PID_NAMESPACE - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
默认情况下,容器的宿主进程ID命名空间是禁用的。
DEFAULT_NM_DOCKER_ALLOW_PRIVILEGED_CONTAINERS - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
默认情况下,特权容器处于禁用状态。
DEFAULT_NM_DOCKER_ALLOWED_CONTAINER_NETWORKS - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
使用DockerContainerRuntime启动容器时允许的网络集合。
DEFAULT_NM_DOCKER_ALLOWED_CONTAINER_RUNTIMES - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
使用DockerContainerRuntime启动容器时允许的运行时集合。
DEFAULT_NM_DOCKER_CONTAINER_CAPABILITIES - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
这些是docker添加的默认功能。
DEFAULT_NM_DOCKER_DEFAULT_CONTAINER_NETWORK - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
当使用DockerContainerRuntime启动容器时,如果请求中未指定网络且未配置默认网络,将使用的网络。
DEFAULT_NM_DOCKER_ENABLE_USER_REMAPPING - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
默认将用户重映射功能设置为禁用。
DEFAULT_NM_DOCKER_PRIVILEGED_CONTAINERS_ACL - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
允许运行特权容器的用户默认列表为空。
DEFAULT_NM_DOCKER_STOP_GRACE_PERIOD - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
Deprecated.
DEFAULT_NM_DOCKER_USER_REMAPPING_GID_THRESHOLD - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
默认将用户重新映射的gid下限设置为1。
DEFAULT_NM_DOCKER_USER_REMAPPING_UID_THRESHOLD - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
默认将用户重映射的最低用户ID下限设置为1。
DEFAULT_NM_ELASTIC_MEMORY_CONTROL_ENABLED - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_NM_ELASTIC_MEMORY_CONTROL_OOM_TIMEOUT_SEC - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_NM_ENABLE_HARDWARE_CAPABILITY_DETECTION - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_NM_ENV_WHITELIST - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_NM_FPGA_VENDOR_PLUGIN - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_NM_GPU_DOCKER_PLUGIN_IMPL - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_NM_HEALTH_CHECK_INTERVAL_MS - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_NM_HEALTH_CHECK_RUN_BEFORE_STARTUP - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_NM_HEALTH_CHECK_SCRIPTS - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_NM_HEALTH_CHECK_TIMEOUT_MS - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_NM_LINUX_CONTAINER_CGROUPS_DELETE_DELAY - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_NM_LINUX_CONTAINER_CGROUPS_DELETE_TIMEOUT - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_NM_LINUX_CONTAINER_CGROUPS_STRICT_RESOURCE_USAGE - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_NM_LOCAL_CACHE_MAX_FILES_PER_DIRECTORY - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_NM_LOCAL_DIRS - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_NM_LOCALIZER_ADDRESS - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_NM_LOCALIZER_CACHE_CLEANUP_INTERVAL_MS - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_NM_LOCALIZER_CACHE_TARGET_SIZE_MB - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_NM_LOCALIZER_CLIENT_THREAD_COUNT - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_NM_LOCALIZER_FETCH_THREAD_COUNT - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_NM_LOCALIZER_PORT - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_NM_LOG_AGG_COMPRESSION_TYPE - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_NM_LOG_AGGREGATION_NUM_LOG_FILES_SIZE_PER_APP - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_NM_LOG_AGGREGATION_ROLL_MONITORING_INTERVAL_SECONDS - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_NM_LOG_AGGREGATION_THREAD_POOL_SIZE - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_NM_LOG_CONTAINER_DEBUG_INFO - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_NM_LOG_CONTAINER_DEBUG_INFO_ON_ERROR - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_NM_LOG_DELETE_THREAD_COUNT - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_NM_LOG_DELETE_THRESHOLD - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_NM_LOG_DIRS - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_NM_LOG_RETAIN_SECONDS - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_NM_LOG_TRIGGER_DELETE_BY_SIZE_ENABLED - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_NM_MAX_PER_DISK_UTILIZATION_PERCENTAGE - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
默认情况下,磁盘90%的空间被使用后才会被标记为离线状态。
DEFAULT_NM_MEMORY_RESOURCE_CGROUPS_SOFT_LIMIT_PERCENTAGE - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_NM_MEMORY_RESOURCE_CGROUPS_SWAPPINESS - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_NM_MEMORY_RESOURCE_ENABLED - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_NM_MEMORY_RESOURCE_ENFORCED - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_NM_MIN_HEALTHY_DISKS_FRACTION - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
默认情况下,至少25%的磁盘处于健康状态才能判定该节点在磁盘方面是健康的。
DEFAULT_NM_MIN_PER_DISK_FREE_SPACE_MB - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
默认情况下,磁盘在被标记为离线之前可以全部使用。
DEFAULT_NM_NETWORK_RESOURCE_ENABLED - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
默认情况下,网络作为资源的功能是禁用的。
DEFAULT_NM_NETWORK_RESOURCE_INTERFACE - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_NM_NETWORK_RESOURCE_OUTBOUND_BANDWIDTH_MBIT - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_NM_NETWORK_RESOURCE_TAG_MAPPING_FILE_PATH - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_NM_NETWORK_TAG_HANDLER_ENABLED - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_NM_NODE_ATTRIBUTES_PROVIDER_FETCH_INTERVAL_MS - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_NM_NODE_ATTRIBUTES_PROVIDER_FETCH_TIMEOUT_MS - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_NM_NODE_ATTRIBUTES_RESYNC_INTERVAL - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_NM_NODE_LABELS_PROVIDER_FETCH_INTERVAL_MS - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_NM_NODE_LABELS_PROVIDER_FETCH_TIMEOUT_MS - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_NM_NODE_LABELS_RESYNC_INTERVAL - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_NM_NONSECURE_MODE_LIMIT_USERS - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_NM_NONSECURE_MODE_LOCAL_USER - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_NM_NONSECURE_MODE_USER_PATTERN - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_NM_NUMA_AWARENESS_ENABLED - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_NM_NUMA_AWARENESS_NUMACTL_CMD - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_NM_NUMA_AWARENESS_READ_TOPOLOGY - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_NM_OPPORTUNISTIC_CONTAINERS_MAX_QUEUE_LENGTH - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_NM_PCORES_VCORES_MULTIPLIER - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_NM_PLUGGABLE_DEVICE_FRAMEWORK_ENABLED - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
可插拔设备插件框架默认处于禁用状态
DEFAULT_NM_PMEM_CHECK_ENABLED - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_NM_PMEM_MB - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_NM_PORT - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_NM_PROCESS_KILL_WAIT_MS - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_NM_PUBLISH_CONTAINER_EVENTS_ENABLED - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_NM_REAP_RUNC_LAYER_MOUNTS_INTERVAL - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_NM_RECOVERY_COMPACTION_INTERVAL_SECS - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_NM_RECOVERY_ENABLED - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_NM_RECOVERY_SUPERVISED - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_NM_REMOTE_APP_LOG_DIR - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_NM_REMOTE_APP_LOG_DIR_INCLUDE_OLDER - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_NM_REMOTE_APP_LOG_DIR_SUFFIX - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_NM_RESOURCE_MON_INTERVAL_MS - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_NM_RESOURCE_PERCENTAGE_PHYSICAL_CPU_LIMIT - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_NM_RESOURCE_PLUGINS_FAIL_FAST - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_NM_RESOURCEMANAGER_MINIMUM_VERSION - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_NM_RUNC_ALLOW_HOST_PID_NAMESPACE - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
默认情况下,容器的宿主进程ID命名空间是禁用的。
DEFAULT_NM_RUNC_ALLOW_PRIVILEGED_CONTAINERS - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
默认情况下,特权容器处于禁用状态。
DEFAULT_NM_RUNC_ALLOWED_CONTAINER_NETWORKS - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
使用RuncContainerRuntime启动容器时允许的默认网络集。
DEFAULT_NM_RUNC_ALLOWED_CONTAINER_RUNTIMES - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
使用RuncContainerRuntime启动容器时允许的默认运行时集。
DEFAULT_NM_RUNC_CACHE_REFRESH_INTERVAL - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
默认的HDFS镜像标签刷新到哈希缓存的间隔时间(以秒为单位)。
DEFAULT_NM_RUNC_IMAGE_TAG_TO_MANIFEST_PLUGIN - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
默认的runc镜像标签到清单插件类。
DEFAULT_NM_RUNC_IMAGE_TOPLEVEL_DIR - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
HDFS 默认位置,用于存放 OCI 镜像清单、镜像层和配置目录。
DEFAULT_NM_RUNC_LAYER_MOUNTS_TO_KEEP - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_NM_RUNC_MANIFEST_TO_RESOURCES_PLUGIN - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
默认的runc清单到资源插件类。
DEFAULT_NM_RUNC_PRIVILEGED_CONTAINERS_ACL - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
允许运行特权容器的用户默认列表为空。
DEFAULT_NM_RUNC_STAT_CACHE_TIMEOUT - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
状态缓存中值的默认超时时间(以秒为单位)。
DEFAULT_NM_SLEEP_DELAY_BEFORE_SIGKILL_MS - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_NM_USER_HOME_DIR - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_NM_VCORES - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_NM_VMEM_CHECK_ENABLED - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_NM_VMEM_PMEM_RATIO - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_NM_WEBAPP_ADDRESS - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_NM_WEBAPP_ENABLE_CORS_FILTER - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_NM_WEBAPP_HTTPS_ADDRESS - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_NM_WEBAPP_HTTPS_PORT - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_NM_WEBAPP_PORT - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_NM_WINDOWS_CONTAINER_CPU_LIMIT_ENABLED - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_NM_WINDOWS_CONTAINER_MEMORY_LIMIT_ENABLED - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_NODE_LABEL_EXCLUSIVITY - Static variable in class org.apache.hadoop.yarn.api.records.NodeLabel
默认情况下,节点标签是独占的或非独占的
DEFAULT_NODE_LABEL_PARTITION - Static variable in class org.apache.hadoop.yarn.api.records.NodeLabel
用于显示的默认节点标签分区。
DEFAULT_NODE_LABELS_ENABLED - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_NODELABEL_CONFIGURATION_TYPE - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_NUM_MANIFESTS_TO_CACHE - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
在镜像标签到哈希缓存中默认缓存的清单数量。
DEFAULT_NUMBER_OF_ASYNC_ENTITIES_TO_MERGE - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_NVIDIA_DOCKER_PLUGIN_V1_ENDPOINT - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_OPP_CONTAINER_ALLOCATION_NODES_NUMBER_USED - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_OPP_CONTAINER_MAX_ALLOCATIONS_PER_AM_HEARTBEAT - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_OPPORTUNISTIC_CONTAINER_ALLOCATION_ENABLED - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_OPTIMIZE_FOOTER_READ - Static variable in class org.apache.hadoop.fs.azurebfs.constants.FileSystemConfigurations
 
DEFAULT_OTHER - Static variable in class org.apache.hadoop.fs.azurebfs.constants.AbfsHttpConstants
 
DEFAULT_PART_UPLOAD_TIMEOUT - Static variable in class org.apache.hadoop.fs.s3a.常量
默认部分上传超时:15分钟。
DEFAULT_PATH - Static variable in class org.apache.hadoop.mapreduce.lib.partition.TotalOrderPartitioner
 
DEFAULT_PERM - Static variable in class org.apache.hadoop.fs.FileContext
目录和符号链接的默认权限 在之前的版本中,此默认权限也用于 创建文件,因此最终创建的文件具有ugo+x权限。
DEFAULT_PREFETCH_MAX_BLOCKS_COUNT - Static variable in class org.apache.hadoop.fs.s3a.常量
max blocks count配置的默认值。
DEFAULT_PROCFS_USE_SMAPS_BASED_RSS_ENABLED - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_PROXY_ADDRESS - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_PROXY_PORT - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_PURGE_EXISTING_MULTIPART - Static variable in class org.apache.hadoop.fs.s3a.常量
 
DEFAULT_PURGE_EXISTING_MULTIPART_AGE - Static variable in class org.apache.hadoop.fs.s3a.常量
默认年龄。
DEFAULT_QUEUE_FULL_NAME - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_QUEUE_NAME - Static variable in class org.apache.hadoop.mapred.JobConf
如果未指定队列名称,作业将提交到的默认队列名称。
DEFAULT_QUEUE_NAME - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
默认队列名称
DEFAULT_READ_AHEAD_BLOCK_SIZE - Static variable in class org.apache.hadoop.fs.azurebfs.constants.FileSystemConfigurations
 
DEFAULT_READ_AHEAD_QUEUE_DEPTH - Static variable in class org.apache.hadoop.fs.azurebfs.constants.FileSystemConfigurations
 
DEFAULT_READ_AHEAD_RANGE - Static variable in class org.apache.hadoop.fs.azurebfs.constants.FileSystemConfigurations
 
DEFAULT_READ_BUFFER_SIZE - Static variable in class org.apache.hadoop.fs.azurebfs.constants.FileSystemConfigurations
 
DEFAULT_READ_SMALL_FILES_COMPLETELY - Static variable in class org.apache.hadoop.fs.azurebfs.constants.FileSystemConfigurations
 
DEFAULT_READ_TOLERATE_CONCURRENT_APPEND - Static variable in class org.apache.hadoop.fs.azurebfs.constants.FileSystemConfigurations
 
DEFAULT_READAHEAD_RANGE - Static variable in class org.apache.hadoop.fs.s3a.常量
 
DEFAULT_REGISTRY_CLIENT_JAAS_CONTEXT - Static variable in interface org.apache.hadoop.registry.client.api.RegistryConstants
默认客户端注册JAAS上下文:"Client"。
DEFAULT_REGISTRY_SECURE - Static variable in interface org.apache.hadoop.registry.client.api.RegistryConstants
默认注册表安全策略:false。
DEFAULT_REGISTRY_SYSTEM_ACCOUNTS - Static variable in interface org.apache.hadoop.registry.client.api.RegistryConstants
授予注册表全局访问权限的默认系统账户:"sasl:yarn@, sasl:mapred@, sasl:hdfs@, sasl:hadoop@"。
DEFAULT_REGISTRY_USER_ACCOUNTS - Static variable in interface org.apache.hadoop.registry.client.api.RegistryConstants
默认系统访问控制列表(ACL): ""。
DEFAULT_REGISTRY_ZK_QUORUM - Static variable in interface org.apache.hadoop.registry.client.api.RegistryConstants
注册表的默认zookeeper仲裁绑定地址:"localhost:2181"。
DEFAULT_REPLICATION_NUM - Static variable in class org.apache.hadoop.hdfs.protocol.CachePoolInfo
 
DEFAULT_REQUEST_TIMEOUT - Static variable in class org.apache.hadoop.fs.s3a.常量
DEFAULT_REQUEST_TIMEOUT_DURATION - Static variable in class org.apache.hadoop.fs.s3a.常量
请求超时的默认持续时间:60秒。
DEFAULT_RESOURCEMANAGER_CONNECT_MAX_WAIT_MS - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_RESOURCEMANAGER_CONNECT_RETRY_INTERVAL_MS - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_RETRY_HTTP_5XX_ERRORS - Static variable in class org.apache.hadoop.fs.s3a.常量
Default value for Constants.RETRY_HTTP_5XX_ERRORS: true.
DEFAULT_RM_ACTIVITIES_MANAGER_APP_ACTIVITIES_MAX_QUEUE_LENGTH - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_RM_ACTIVITIES_MANAGER_APP_ACTIVITIES_TTL_MS - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_RM_ACTIVITIES_MANAGER_CLEANUP_INTERVAL_MS - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_RM_ACTIVITIES_MANAGER_SCHEDULER_ACTIVITIES_TTL_MS - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_RM_ADDRESS - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_RM_ADMIN_ADDRESS - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_RM_ADMIN_CLIENT_THREAD_COUNT - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_RM_ADMIN_PORT - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_RM_AM_EXPIRY_INTERVAL_MS - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_RM_AM_MAX_ATTEMPTS - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_RM_AMLAUNCHER_THREAD_COUNT - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_RM_AMRM_TOKEN_MASTER_KEY_ROLLING_INTERVAL_SECS - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_RM_APPLICATION_HTTPS_POLICY - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_RM_APPLICATION_MAX_TAG_LENGTH - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_RM_APPLICATION_MAX_TAGS - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_RM_APPLICATION_MONITOR_INTERVAL_MS - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_RM_AUTO_UPDATE_CONTAINERS - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_RM_CLIENT_THREAD_COUNT - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_RM_CLUSTER_ID - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_RM_CONFIGURATION_PROVIDER_CLASS - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_RM_CONTAINER_ALLOC_EXPIRY_INTERVAL_MS - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_RM_CONTAINER_TOKEN_MASTER_KEY_ROLLING_INTERVAL_SECS - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_RM_DECOMMISSIONING_NODES_WATCHER_POLL_INTERVAL - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_RM_DELAYED_DELEGATION_TOKEN_REMOVAL_INTERVAL_MS - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_RM_DELEGATION_TOKEN_ALWAYS_CANCEL - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_RM_DELEGATION_TOKEN_MAX_CONF_SIZE_BYTES - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_RM_DELEGATION_TOKEN_RENEWER_THREAD_COUNT - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_RM_DT_RENEWER_THREAD_RETRY_INTERVAL - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_RM_DT_RENEWER_THREAD_RETRY_MAX_ATTEMPTS - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_RM_DT_RENEWER_THREAD_TIMEOUT - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_RM_ENABLE_NODE_UNTRACKED_WITHOUT_INCLUDE_PATH - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_RM_EPOCH - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_RM_EPOCH_RANGE - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_RM_HA_ENABLED - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_RM_HISTORY_WRITER_MULTI_THREADED_DISPATCHER_POOL_SIZE - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_RM_LEVELDB_COMPACTION_INTERVAL_SECS - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_RM_MAX_COMPLETED_APPLICATIONS - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_RM_MAX_LOG_AGGREGATION_DIAGNOSTICS_IN_MEMORY - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_RM_METRICS_RUNTIME_BUCKETS - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
运行时指标桶的默认大小(以分钟为单位)。
DEFAULT_RM_NM_EXPIRY_INTERVAL_MS - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_RM_NM_HEARTBEAT_INTERVAL_MAX_MS - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_RM_NM_HEARTBEAT_INTERVAL_MIN_MS - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_RM_NM_HEARTBEAT_INTERVAL_MS - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_RM_NM_HEARTBEAT_INTERVAL_SCALING_ENABLE - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_RM_NM_HEARTBEAT_INTERVAL_SLOWDOWN_FACTOR - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_RM_NM_HEARTBEAT_INTERVAL_SPEEDUP_FACTOR - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_RM_NM_REGISTRATION_IP_HOSTNAME_CHECK_KEY - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_RM_NMTOKEN_MASTER_KEY_ROLLING_INTERVAL_SECS - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_RM_NODE_GRACEFUL_DECOMMISSION_TIMEOUT - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_RM_NODE_IP_CACHE_EXPIRY_INTERVAL_SECS - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_RM_NODE_LABELS_PROVIDER_FETCH_INTERVAL_MS - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_RM_NODE_LABELS_PROVIDER_UPDATE_NEWLY_REGISTERED_INTERVAL_MS - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_RM_NODEMANAGER_CONNECT_RETRIES - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_RM_NODEMANAGER_MINIMUM_VERSION - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_RM_NODEMANAGER_UNTRACKED_NODE_SELECTIVE_STATES_TO_REMOVE - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_RM_NODEMANAGER_UNTRACKED_REMOVAL_TIMEOUT_MSEC - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_RM_NODES_EXCLUDE_FILE_PATH - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_RM_NODES_INCLUDE_FILE_PATH - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_RM_PLACEMENT_CONSTRAINTS_ALGORITHM_POOL_SIZE - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_RM_PLACEMENT_CONSTRAINTS_RETRY_ATTEMPTS - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_RM_PLACEMENT_CONSTRAINTS_SCHEDULER_POOL_SIZE - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_RM_PORT - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_RM_PROXY_CONNECTION_TIMEOUT - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_RM_PROXY_USER_PRIVILEGES_ENABLED - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_RM_PUBLISH_CONTAINER_EVENTS_ENABLED - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_RM_RECOVERY_ENABLED - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_RM_RESERVATION_SYSTEM_ENABLE - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_RM_RESERVATION_SYSTEM_MAX_PERIODICITY - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_RM_RESERVATION_SYSTEM_PLAN_FOLLOWER_TIME_STEP - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_RM_RESOURCE_PROFILES_ENABLED - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_RM_RESOURCE_PROFILES_SOURCE_FILE - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_RM_RESOURCE_TRACKER_ADDRESS - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_RM_RESOURCE_TRACKER_CLIENT_THREAD_COUNT - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_RM_RESOURCE_TRACKER_PORT - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_RM_SCHEDCONF_LEVELDB_COMPACTION_INTERVAL_SECS - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_RM_SCHEDCONF_LEVELDB_MAX_LOGS - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_RM_SCHEDCONF_STORE_ZK_PARENT_PATH - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_RM_SCHEDCONF_ZK_MAX_LOGS - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_RM_SCHEDULER - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_RM_SCHEDULER_ADDRESS - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_RM_SCHEDULER_CLIENT_THREAD_COUNT - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_RM_SCHEDULER_ENABLE_MONITORS - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_RM_SCHEDULER_MAXIMUM_ALLOCATION_MB - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_RM_SCHEDULER_MAXIMUM_ALLOCATION_VCORES - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_RM_SCHEDULER_MINIMUM_ALLOCATION_MB - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_RM_SCHEDULER_MINIMUM_ALLOCATION_VCORES - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_RM_SCHEDULER_PORT - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_RM_SCHEDULER_USE_PORT_FOR_NODE_NAME - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_RM_STATE_STORE_MAX_COMPLETED_APPLICATIONS - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
Deprecated.
This default value is ignored and will be removed in a future release. The default value of yarn.resourcemanager.state-store.max-completed-applications is the value of YarnConfiguration.RM_MAX_COMPLETED_APPLICATIONS.
DEFAULT_RM_SUBMISSION_PREPROCESSOR_ENABLED - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_RM_SUBMISSION_PREPROCESSOR_FILE_PATH - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_RM_SUBMISSION_PREPROCESSOR_REFRESH_INTERVAL_MS - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_RM_SYSTEM_METRICS_PUBLISHER_DISPATCHER_POOL_SIZE - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_RM_SYSTEM_METRICS_PUBLISHER_ENABLED - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_RM_TIMELINE_SERVER_V1_PUBLISHER_BATCH_ENABLED - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_RM_TIMELINE_SERVER_V1_PUBLISHER_DISPATCHER_BATCH_SIZE - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_RM_TIMELINE_SERVER_V1_PUBLISHER_INTERVAL - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_RM_WEBAPP_ADDRESS - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_RM_WEBAPP_DELEGATION_TOKEN_AUTH_FILTER - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_RM_WEBAPP_ENABLE_CORS_FILTER - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_RM_WEBAPP_HTTPS_ADDRESS - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_RM_WEBAPP_HTTPS_PORT - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_RM_WEBAPP_PORT - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_RM_WEBAPP_UI_ACTIONS_ENABLED - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_RM_WORK_PRESERVING_RECOVERY_ENABLED - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_RM_WORK_PRESERVING_RECOVERY_SCHEDULING_WAIT_MS - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_RM_ZK_ACL - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_RM_ZK_CLIENT_SSL_ENABLED - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_RM_ZK_RETRY_INTERVAL_MS - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_RM_ZK_TIMEOUT_MS - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_RM_ZK_ZNODE_SIZE_LIMIT_BYTES - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_ROUTER_APPSINFO_CACHED_COUNT - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_ROUTER_APPSINFO_ENABLED - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_ROUTER_ASC_INTERCEPTOR_MAX_SIZE - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_ROUTER_CLIENTRM_ADDRESS - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_ROUTER_CLIENTRM_INTERCEPTOR_CLASS - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_ROUTER_CLIENTRM_PARTIAL_RESULTS_ENABLED - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_ROUTER_CLIENTRM_PORT - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_ROUTER_CLIENTRM_SUBMIT_RETRY - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_ROUTER_DEREGISTER_SUBCLUSTER_ENABLED - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_ROUTER_INTERCEPTOR_ALLOW_PARTIAL_RESULT_ENABLED - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_ROUTER_PIPELINE_CACHE_MAX_SIZE - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_ROUTER_RMADMIN_ADDRESS - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_ROUTER_RMADMIN_INTERCEPTOR_CLASS - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_ROUTER_RMADMIN_PORT - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_ROUTER_SCHEDULED_EXECUTOR_THREADS - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_ROUTER_SUBCLUSTER_CLEANER_INTERVAL_TIME - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_ROUTER_SUBCLUSTER_EXPIRATION_TIME - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_ROUTER_USER_CLIENT_THREAD_POOL_ALLOW_CORE_THREAD_TIMEOUT - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_ROUTER_USER_CLIENT_THREAD_POOL_KEEP_ALIVE_TIME - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
此配置项用于设置拦截器线程池的默认keepAliveTime时间。
DEFAULT_ROUTER_USER_CLIENT_THREAD_POOL_MAXIMUM_POOL_SIZE - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
此配置用于设置拦截器线程池中maximumPoolSize的默认值。
DEFAULT_ROUTER_USER_CLIENT_THREAD_POOL_MINIMUM_POOL_SIZE - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
此配置用于设置拦截器线程池的corePoolSize(最小线程池大小)默认值。
DEFAULT_ROUTER_USER_CLIENT_THREADS_SIZE - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
默认值为5。
DEFAULT_ROUTER_WEBAPP_ADDRESS - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_ROUTER_WEBAPP_CONNECT_TIMEOUT - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_ROUTER_WEBAPP_DEFAULT_INTERCEPTOR_CLASS - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_ROUTER_WEBAPP_ENABLE_CORS_FILTER - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_ROUTER_WEBAPP_HTTPS_ADDRESS - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_ROUTER_WEBAPP_HTTPS_PORT - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_ROUTER_WEBAPP_INTERCEPTOR_CLASS - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_ROUTER_WEBAPP_PARTIAL_RESULTS_ENABLED - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_ROUTER_WEBAPP_PORT - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_ROUTER_WEBAPP_PROXY_ENABLE - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_ROUTER_WEBAPP_READ_TIMEOUT - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_RUNC_STAT_CACHE_SIZE - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
存储层和配置统计信息的默认统计缓存大小。
DEFAULT_S3_CLIENT_FACTORY_IMPL - Static variable in class org.apache.hadoop.fs.s3a.常量
Default factory: org.apache.hadoop.fs.s3a.DefaultS3ClientFactory.
DEFAULT_S3A_COMMITTER_GENERATE_UUID - Static variable in class org.apache.hadoop.fs.s3a.commit.CommitConstants
DEFAULT_S3A_COMMITTER_REQUIRE_UUID - Static variable in class org.apache.hadoop.fs.s3a.commit.CommitConstants
DEFAULT_S3A_IO_RATE_LIMIT - Static variable in class org.apache.hadoop.fs.s3a.常量
Default value for Constants.S3A_IO_RATE_LIMIT.
DEFAULT_S3GUARD_DISABLED_WARN_LEVEL - Static variable in class org.apache.hadoop.fs.s3a.常量
Deprecated.
DEFAULT_S3GUARD_METASTORE_LOCAL_ENTRY_TTL - Static variable in class org.apache.hadoop.fs.s3a.常量
Deprecated.
DEFAULT_S3GUARD_METASTORE_LOCAL_MAX_RECORDS - Static variable in class org.apache.hadoop.fs.s3a.常量
Deprecated.
DEFAULT_SAS_TOKEN_RENEW_PERIOD_FOR_STREAMS_IN_SECONDS - Static variable in class org.apache.hadoop.fs.azurebfs.constants.FileSystemConfigurations
 
DEFAULT_SCHEDULER_CONFIGURATION_FS_MAX_VERSION - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_SCHEDULER_SKIP_NODE_MULTIPLIER - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_SCM_ADMIN_ADDRESS - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_SCM_ADMIN_CLIENT_THREAD_COUNT - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_SCM_ADMIN_PORT - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_SCM_APP_CHECKER_CLASS - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_SCM_CLEANER_INITIAL_DELAY_MINS - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_SCM_CLEANER_PERIOD_MINS - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_SCM_CLEANER_RESOURCE_SLEEP_MS - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_SCM_CLIENT_SERVER_ADDRESS - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_SCM_CLIENT_SERVER_PORT - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_SCM_CLIENT_SERVER_THREAD_COUNT - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_SCM_STORE_CLASS - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_SCM_UPLOADER_SERVER_ADDRESS - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_SCM_UPLOADER_SERVER_PORT - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_SCM_UPLOADER_SERVER_THREAD_COUNT - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_SCM_WEBAPP_ADDRESS - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_SCM_WEBAPP_PORT - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_SCOPE - Static variable in class org.apache.hadoop.fs.azurebfs.constants.AbfsHttpConstants
 
DEFAULT_SECURE_CONNECTIONS - Static variable in class org.apache.hadoop.fs.s3a.常量
 
DEFAULT_SHARED_CACHE_CHECKSUM_ALGO_IMPL - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_SHARED_CACHE_ENABLED - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_SHARED_CACHE_NESTED_LEVEL - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_SHARED_CACHE_NM_UPLOADER_REPLICATION_FACTOR - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_SHARED_CACHE_NM_UPLOADER_THREAD_COUNT - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_SHARED_CACHE_ROOT - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_SOCKET_RECV_BUFFER - Static variable in class org.apache.hadoop.fs.s3a.常量
 
DEFAULT_SOCKET_SEND_BUFFER - Static variable in class org.apache.hadoop.fs.s3a.常量
 
DEFAULT_SOCKET_TIMEOUT - Static variable in class org.apache.hadoop.fs.s3a.常量
DEFAULT_SOCKET_TIMEOUT_DURATION - Static variable in class org.apache.hadoop.fs.s3a.常量
默认套接字超时时间:200秒。
DEFAULT_SSL_CHANNEL_MODE - Static variable in class org.apache.hadoop.fs.s3a.常量
 
DEFAULT_STAGING_COMMITTER_UNIQUE_FILENAMES - Static variable in class org.apache.hadoop.fs.s3a.commit.CommitConstants
DEFAULT_STATIC_RETRY_FOR_CONNECTION_TIMEOUT_ENABLED - Static variable in class org.apache.hadoop.fs.azurebfs.constants.FileSystemConfigurations
 
DEFAULT_STATIC_RETRY_INTERVAL - Static variable in class org.apache.hadoop.fs.azurebfs.constants.FileSystemConfigurations
 
DEFAULT_SUBMIT_REPLICATION - Static variable in class org.apache.hadoop.mapreduce.Job
 
DEFAULT_SYSTEM_METRICS_PUBLISHER_ENABLED - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_TIMELINE_DELEGATION_KEY_UPDATE_INTERVAL - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_TIMELINE_DELEGATION_TOKEN_MAX_LIFETIME - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_TIMELINE_DELEGATION_TOKEN_RENEW_INTERVAL - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_TIMELINE_SERVICE_ADDRESS - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_TIMELINE_SERVICE_AGGREGATION_INTERVAL_SECS - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_TIMELINE_SERVICE_BIND_HOST - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_TIMELINE_SERVICE_CLIENT_BEST_EFFORT - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_TIMELINE_SERVICE_CLIENT_INTERNAL_ATTEMPT_DIR_CACHE_SIZE - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_TIMELINE_SERVICE_CLIENT_MAX_RETRIES - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_TIMELINE_SERVICE_CLIENT_RETRY_INTERVAL_MS - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_TIMELINE_SERVICE_CLIENT_THREAD_COUNT - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_TIMELINE_SERVICE_COLLECTOR_WEBAPP_ADDRESS - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_TIMELINE_SERVICE_COLLECTOR_WEBAPP_HTTPS_ADDRESS - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_TIMELINE_SERVICE_ENABLED - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_TIMELINE_SERVICE_HBASE_SCHEMA_PREFIX - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
HBase表的默认模式前缀。
DEFAULT_TIMELINE_SERVICE_LEVELDB_CACHE_READ_CACHE_SIZE - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_TIMELINE_SERVICE_LEVELDB_MAX_OPEN_FILES - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
如果未指定配置,默认的leveldb最大打开文件数。
DEFAULT_TIMELINE_SERVICE_LEVELDB_READ_CACHE_SIZE - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
如果未指定配置,默认的leveldb读取缓存大小。
DEFAULT_TIMELINE_SERVICE_LEVELDB_START_TIME_READ_CACHE_SIZE - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_TIMELINE_SERVICE_LEVELDB_START_TIME_WRITE_CACHE_SIZE - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_TIMELINE_SERVICE_LEVELDB_TTL_INTERVAL_MS - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_TIMELINE_SERVICE_LEVELDB_WRITE_BATCH_SIZE - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
如果未指定配置,默认的leveldb写入批处理大小
DEFAULT_TIMELINE_SERVICE_LEVELDB_WRITE_BUFFER_SIZE - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
如果未指定配置,默认的leveldb写入缓冲区大小。
DEFAULT_TIMELINE_SERVICE_PORT - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_TIMELINE_SERVICE_READ_ALLOWED_USERS - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
允许读取时间线服务v2数据的用户列表的默认值。
DEFAULT_TIMELINE_SERVICE_READ_AUTH_ENABLED - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
读取时间线服务v2数据时身份验证的默认设置。
DEFAULT_TIMELINE_SERVICE_READER_CLASS - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_TIMELINE_SERVICE_READER_WEBAPP_ADDRESS - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_TIMELINE_SERVICE_READER_WEBAPP_HTTPS_ADDRESS - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_TIMELINE_SERVICE_RECOVERY_ENABLED - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_TIMELINE_SERVICE_ROLLING_PERIOD - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
每小时滚动创建一个新数据库。
DEFAULT_TIMELINE_SERVICE_SCHEMA_CREATOR_CLASS - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_TIMELINE_SERVICE_STORAGE_MONITOR_INTERVAL_MS - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_TIMELINE_SERVICE_TTL_MS - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_TIMELINE_SERVICE_VERSION - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_TIMELINE_SERVICE_WEBAPP_ADDRESS - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_TIMELINE_SERVICE_WEBAPP_HTTPS_ADDRESS - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_TIMELINE_SERVICE_WEBAPP_HTTPS_PORT - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_TIMELINE_SERVICE_WEBAPP_PORT - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_TIMELINE_SERVICE_WRITER_ASYNC_QUEUE_CAPACITY - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_TIMELINE_SERVICE_WRITER_CLASS - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_TIMELINE_SERVICE_WRITER_FLUSH_INTERVAL_SECONDS - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_TIMELINE_V2_CLIENT_DRAIN_TIME_MILLIS - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_TIMEOUT - Static variable in class org.apache.hadoop.fs.azurebfs.constants.AbfsHttpConstants
 
DEFAULT_TIMEOUT - Static variable in class org.apache.hadoop.fs.ftp.FTPFileSystem
 
DEFAULT_TIMESTAMP_VALUE - Static variable in class org.apache.hadoop.yarn.api.records.CollectorInfo
 
DEFAULT_TYPE - Static variable in class org.apache.hadoop.yarn.client.api.AppAdminClient
 
DEFAULT_UMASK - Static variable in class org.apache.hadoop.fs.permission.FsPermission
 
DEFAULT_USE_UPN - Static variable in class org.apache.hadoop.fs.azurebfs.constants.FileSystemConfigurations
 
DEFAULT_USE_WILDCARD_FOR_LIBJARS - Static variable in class org.apache.hadoop.mapreduce.Job
 
DEFAULT_USER - Static variable in class org.apache.hadoop.fs.azurebfs.constants.AbfsHttpConstants
 
DEFAULT_VALUE_UNKNOWN - Static variable in class org.apache.hadoop.fs.azurebfs.constants.FileSystemConfigurations
 
DEFAULT_WRITE_BUFFER_SIZE - Static variable in class org.apache.hadoop.fs.azurebfs.constants.FileSystemConfigurations
 
DEFAULT_WRITER_QUEUE_CAPACITY - Static variable in class org.apache.hadoop.mapreduce.lib.output.committer.manifest.ManifestCommitterConstants
DEFAULT_YARN_ACL_ENABLE - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_YARN_ADMIN_ACL - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_YARN_API_SYSTEM_SERVICES_CLASS - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_YARN_APP_ACL - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
未找到ACL时使用的默认ACL。
DEFAULT_YARN_APPLICATION_CLASSPATH - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
YARN应用程序的默认平台特定CLASSPATH。
DEFAULT_YARN_CLIENT_APPLICATION_CLIENT_PROTOCOL_POLL_INTERVAL_MS - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_YARN_CLIENT_APPLICATION_CLIENT_PROTOCOL_POLL_TIMEOUT_MS - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_YARN_CLIENT_LOAD_RESOURCETYPES_FROM_SERVER - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_YARN_CONTAINER_SANDBOX - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_YARN_CONTAINER_SANDBOX_FILE_PERMISSIONS - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_YARN_CROSS_PLATFORM_APPLICATION_CLASSPATH - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
YARN应用程序的默认平台无关CLASSPATH。
DEFAULT_YARN_DISPATCHER_CPU_MONITOR_SAMPLES_PER_MIN - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_YARN_DISPATCHER_PRINT_EVENTS_INFO_THRESHOLD - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_YARN_DISPATCHER_PRINT_THREAD_POOL_CORE_POOL_SIZE - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
Resource Manager调度器的最小核心线程数为1。
DEFAULT_YARN_DISPATCHER_PRINT_THREAD_POOL_KEEP_ALIVE_TIME - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
资源管理器调度器的核心线程保活时间为10秒。
DEFAULT_YARN_DISPATCHER_PRINT_THREAD_POOL_MAXIMUM_POOL_SIZE - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
资源管理器调度器的最大核心线程数为5。
DEFAULT_YARN_FAIL_FAST - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_YARN_INTERMEDIATE_DATA_ENCRYPTION - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_YARN_MINICLUSTER_CONTROL_RESOURCE_MONITORING - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_YARN_MINICLUSTER_FIXED_PORTS - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
默认值为false,以便能够并发运行测试而不会出现端口冲突。
DEFAULT_YARN_MINICLUSTER_NM_PMEM_MB - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_YARN_MINICLUSTER_USE_RPC - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_YARN_REGISTRY_CLASS - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_YARN_RESERVATION_ACL_ENABLE - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_YARN_WEBAPP_UI2_ENABLE - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_YARN_WORKFLOW_ID_TAG_PREFIX - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_ZK_APPID_NODE_SPLIT_INDEX - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_ZK_CONNECTION_TIMEOUT - Static variable in interface org.apache.hadoop.registry.client.api.RegistryConstants
默认的ZK连接超时时间:15000。
DEFAULT_ZK_DELEGATION_TOKEN_NODE_SPLIT_INDEX - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_ZK_REGISTRY_ROOT - Static variable in interface org.apache.hadoop.registry.client.api.RegistryConstants
Hadoop注册表的默认根目录:"/registry"。
DEFAULT_ZK_RETRY_CEILING - Static variable in interface org.apache.hadoop.registry.client.api.RegistryConstants
默认重试次数限制:60000。
DEFAULT_ZK_RETRY_INTERVAL - Static variable in interface org.apache.hadoop.registry.client.api.RegistryConstants
默认的连接重试间隔:1000。
DEFAULT_ZK_RETRY_TIMES - Static variable in interface org.apache.hadoop.registry.client.api.RegistryConstants
默认的ZooKeeper连接重试次数:5。
DEFAULT_ZK_RM_NUM_RETRIES - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_ZK_RM_STATE_STORE_PARENT_PATH - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DEFAULT_ZK_SESSION_TIMEOUT - Static variable in interface org.apache.hadoop.registry.client.api.RegistryConstants
默认的ZK会话超时时间:60000。
DefaultAuditLogger - Class in org.apache.hadoop.hdfs.server.namenode
该类为Namenode和Router提供审计事件信息的接口。
DefaultAuditLogger() - Constructor for class org.apache.hadoop.hdfs.server.namenode.DefaultAuditLogger
 
DefaultCodec - Class in org.apache.hadoop.io.compress
 
DefaultCodec() - Constructor for class org.apache.hadoop.io.compress.DefaultCodec
 
DefaultImpersonationProvider - Class in org.apache.hadoop.security.authorize
 
DefaultImpersonationProvider() - Constructor for class org.apache.hadoop.security.authorize.DefaultImpersonationProvider
 
DefaultMetricsSystem - Enum in org.apache.hadoop.metrics2.lib
默认的指标系统单例。
DefaultSerializer - Class in org.apache.hadoop.mapred.nativetask.serde
 
DefaultSerializer() - Constructor for class org.apache.hadoop.mapred.nativetask.serde.DefaultSerializer
 
DefaultStringifier<T> - Class in org.apache.hadoop.io
DefaultStringifier is the default implementation of the Stringifier interface which stringifies the objects using base64 encoding of the serialized version of the objects.
DefaultStringifier(Configuration, Class) - Constructor for class org.apache.hadoop.io.DefaultStringifier
 
define(Class, WritableComparator) - Static method in class org.apache.hadoop.io.WritableComparator
Register an optimized comparator for a WritableComparable implementation.
define(Class) - Method in class org.apache.hadoop.mapred.nativetask.Platform
无论是平台定义了自定义的Java比较器 NativeTask不支持自定义Java比较器 (通过mapreduce.job.output.key.comparator.class设置) 但平台(如Pig)也可以设置该配置并实现原生 比较器,因此我们不应直接放弃。
define(Class, RecordComparator) - Static method in class org.apache.hadoop.record.RecordComparator
Deprecated.
Register an optimized comparator for a Record implementation.
delayedOr(PlacementConstraint.TimedPlacementConstraint...) - Static method in class org.apache.hadoop.yarn.api.resource.PlacementConstraints
创建一个复合约束,其中包含一系列定时放置约束。
DELEGATED_CENTALIZED_NODELABEL_CONFIGURATION_TYPE - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DELEGATION_PARAM - Static variable in class org.apache.hadoop.security.token.delegation.web.DelegationTokenAuthenticator
 
DELEGATION_TOKEN_BINDING - Static variable in class org.apache.hadoop.fs.s3a.auth.delegation.DelegationConstants
包含令牌绑定类名的属性:"fs.s3a.delegation.token.binding"。
DELEGATION_TOKEN_CREDENTIALS_PROVIDER - Static variable in class org.apache.hadoop.fs.s3a.auth.delegation.DelegationConstants
列出用于Session/role凭证的AWS凭证提供者的关键:"fs.s3a.aws.credentials.provider"。
DELEGATION_TOKEN_DURATION - Static variable in class org.apache.hadoop.fs.s3a.auth.delegation.DelegationConstants
令牌持续时间(单位:时间):"fs.s3a.assumed.role.session.duration"。
DELEGATION_TOKEN_ENDPOINT - Static variable in class org.apache.hadoop.fs.s3a.auth.delegation.DelegationConstants
会话令牌的端点,用于构建委托令牌时:"fs.s3a.assumed.role.sts.endpoint"。
DELEGATION_TOKEN_FULL_CREDENTIALS_BINDING - Static variable in class org.apache.hadoop.fs.s3a.auth.delegation.DelegationConstants
传递完整凭据的令牌绑定:"org.apache.hadoop.fs.s3a.auth.delegation.FullCredentialsTokenBinding"。
DELEGATION_TOKEN_HEADER - Static variable in class org.apache.hadoop.security.token.delegation.web.DelegationTokenAuthenticator
 
DELEGATION_TOKEN_JSON - Static variable in class org.apache.hadoop.security.token.delegation.web.DelegationTokenAuthenticator
 
DELEGATION_TOKEN_REGION - Static variable in class org.apache.hadoop.fs.s3a.auth.delegation.DelegationConstants
颁发DT的区域;如果设置了端点"fs.s3a.assumed.role.sts.endpoint.region",则必须非空。
DELEGATION_TOKEN_ROLE_ARN - Static variable in class org.apache.hadoop.fs.s3a.auth.delegation.DelegationConstants
委托令牌的ARN:"fs.s3a.assumed.role.arn"。
DELEGATION_TOKEN_ROLE_BINDING - Static variable in class org.apache.hadoop.fs.s3a.auth.delegation.DelegationConstants
角色DTs: "org.apache.hadoop.fs.s3a.auth.delegation.RoleTokenBinding".
DELEGATION_TOKEN_SESSION_BINDING - Static variable in class org.apache.hadoop.fs.s3a.auth.delegation.DelegationConstants
会话令牌绑定类名:"org.apache.hadoop.fs.s3a.auth.delegation.SessionTokenBinding"。
DELEGATION_TOKEN_URL_STRING_JSON - Static variable in class org.apache.hadoop.security.token.delegation.web.DelegationTokenAuthenticator
 
DELEGATION_TOKENS_ISSUED - Static variable in class org.apache.hadoop.fs.statistics.StoreStatisticNames
"已颁发的委托令牌"。
DelegationConstants - Class in org.apache.hadoop.fs.s3a.auth.delegation
所有与委托令牌相关的常量。
DelegationTokenAuthenticatedURL - Class in org.apache.hadoop.security.token.delegation.web
The DelegationTokenAuthenticatedURL is a AuthenticatedURL sub-class with built-in Hadoop Delegation Token functionality.
DelegationTokenAuthenticatedURL() - Constructor for class org.apache.hadoop.security.token.delegation.web.DelegationTokenAuthenticatedURL
Creates an DelegationTokenAuthenticatedURL.
DelegationTokenAuthenticatedURL(DelegationTokenAuthenticator) - Constructor for class org.apache.hadoop.security.token.delegation.web.DelegationTokenAuthenticatedURL
Creates an DelegationTokenAuthenticatedURL.
DelegationTokenAuthenticatedURL(ConnectionConfigurator) - Constructor for class org.apache.hadoop.security.token.delegation.web.DelegationTokenAuthenticatedURL
Creates an DelegationTokenAuthenticatedURL using the default DelegationTokenAuthenticator class.
DelegationTokenAuthenticatedURL(DelegationTokenAuthenticator, ConnectionConfigurator) - Constructor for class org.apache.hadoop.security.token.delegation.web.DelegationTokenAuthenticatedURL
Creates an DelegationTokenAuthenticatedURL.
DelegationTokenAuthenticatedURL.Token - Class in org.apache.hadoop.security.token.delegation.web
处理委托令牌的客户端认证令牌。
DelegationTokenAuthenticator - Class in org.apache.hadoop.security.token.delegation.web
Authenticator wrapper that enhances an Authenticator with Delegation Token support.
DelegationTokenAuthenticator(Authenticator) - Constructor for class org.apache.hadoop.security.token.delegation.web.DelegationTokenAuthenticator
 
delegationTokenSequenceNumber - Variable in class org.apache.hadoop.security.token.delegation.AbstractDelegationTokenSecretManager
创建DelegationTokenIdentifier的序列号。
delete(Path, boolean) - Method in class org.apache.hadoop.fs.AbstractFileSystem
The specification of this method matches that of FileContext.delete(Path, boolean) except that Path f must be for this file system.
delete(Path, boolean) - Method in class org.apache.hadoop.fs.adl.AdlFileSystem
删除一个文件。
delete(Path) - Method in class org.apache.hadoop.fs.azure.NativeAzureFileSystem
Deprecated.
delete(Path, boolean) - Method in class org.apache.hadoop.fs.azure.NativeAzureFileSystem
 
delete(Path, boolean, boolean) - Method in class org.apache.hadoop.fs.azure.NativeAzureFileSystem
删除指定的文件或文件夹。
delete(Path, boolean, TracingContext) - Method in class org.apache.hadoop.fs.azurebfs.AzureBlobFileSystemStore
 
delete(Path, boolean) - Method in class org.apache.hadoop.fs.ChecksumFileSystem
在checksum文件系统中实现delete(Path, boolean)方法。
delete(Path, boolean) - Method in class org.apache.hadoop.fs.FileContext
删除一个文件。
delete(Path) - Method in class org.apache.hadoop.fs.FileSystem
Deprecated.
delete(Path, boolean) - Method in class org.apache.hadoop.fs.FileSystem
删除一个文件。
delete(Path, boolean) - Method in class org.apache.hadoop.fs.FilterFileSystem
删除文件
delete(Path, boolean) - Method in class org.apache.hadoop.fs.ftp.FTPFileSystem
 
delete(Path, boolean) - Method in class org.apache.hadoop.fs.RawLocalFileSystem
删除指定路径下的文件或目录。
delete(Path, boolean) - Method in class org.apache.hadoop.fs.s3native.NativeS3FileSystem
Deprecated.
 
delete(Path, boolean) - Method in class org.apache.hadoop.fs.viewfs.ViewFileSystem
 
delete(Path) - Method in class org.apache.hadoop.fs.viewfs.ViewFileSystem
 
delete(Path, boolean) - Method in class org.apache.hadoop.fs.viewfs.ViewFs
 
delete(FileSystem, String) - Static method in class org.apache.hadoop.io.BloomMapFile
 
delete(FileSystem, String) - Static method in class org.apache.hadoop.io.MapFile
删除指定的映射文件。
delete(String, ServiceRecord) - Method in interface org.apache.hadoop.registry.client.api.DNSOperations
删除服务的注册端点。
delete(String, boolean) - Method in interface org.apache.hadoop.registry.client.api.RegistryOperations
删除路径。
delete(String, boolean) - Method in class org.apache.hadoop.registry.client.impl.zk.RegistryOperationsService
 
delete(Key) - Method in class org.apache.hadoop.util.bloom.CountingBloomFilter
Removes a specified key from this counting Bloom filter.
deleteCheckpoint() - Method in class org.apache.hadoop.fs.TrashPolicy
删除旧的垃圾检查点。
deleteCheckpointsImmediately() - Method in class org.apache.hadoop.fs.TrashPolicy
立即删除所有检查点,即清空回收站。
deleteCredentialEntry(String) - Method in class org.apache.hadoop.security.alias.CredentialProvider
删除给定的凭证。
deleteDir(FileStatus) - Method in class org.apache.hadoop.mapreduce.v2.hs.HistoryFileManager
 
deleteFilesWithDanglingTempData(Path) - Method in class org.apache.hadoop.fs.azure.NativeAzureFileSystem
在给定的根路径下查找任何"悬空"的blob, 这意味着它们是我们在上传数据到临时blob时创建的占位blob, 但由于某些原因我们在上传过程中崩溃并遗留了它们。
deleteFilesystem(TracingContext) - Method in class org.apache.hadoop.fs.azurebfs.AzureBlobFileSystemStore
 
deleteKey(String) - Method in class org.apache.hadoop.crypto.key.KeyProvider
删除给定的键。
deleteLocalFiles() - Method in class org.apache.hadoop.mapred.JobConf
Deprecated.
deleteLocalFiles(String) - Method in class org.apache.hadoop.mapred.JobConf
 
deleteOnExit(Path) - Method in class org.apache.hadoop.fs.FileContext
标记一个路径,在JVM关闭时删除。
deleteOnExit(Path) - Method in class org.apache.hadoop.fs.FileSystem
标记一个路径,在其所属的FileSystem关闭时将被删除。
deleteReservation(ReservationDeleteRequest) - Method in interface org.apache.hadoop.yarn.api.ApplicationClientProtocol
客户端用于移除现有预订的接口。
deleteReservation(ReservationDeleteRequest) - Method in class org.apache.hadoop.yarn.client.api.YarnClient
客户端用于移除现有预订的接口。
deleteSnapshot(Path, String) - Method in class org.apache.hadoop.fs.AbstractFileSystem
The specification of this method matches that of FileContext.deleteSnapshot(Path, String).
deleteSnapshot(Path, String) - Method in class org.apache.hadoop.fs.FileContext
删除目录的快照。
deleteSnapshot(Path, String) - Method in class org.apache.hadoop.fs.FileSystem
删除目录的快照。
deleteSnapshot(Path, String) - Method in class org.apache.hadoop.fs.FilterFileSystem
 
deleteSnapshot(Path, String) - Method in class org.apache.hadoop.fs.viewfs.ViewFileSystem
 
deleteSnapshot(Path, String) - Method in class org.apache.hadoop.fs.viewfs.ViewFs
 
deletionInterval - Variable in class org.apache.hadoop.fs.TrashPolicy
 
demandStringifyIOStatistics(IOStatistics) - Static method in class org.apache.hadoop.fs.statistics.IOStatisticsLogging
按需将IOStatistics实例字符串化的工具。
demandStringifyIOStatisticsSource(IOStatisticsSource) - Static method in class org.apache.hadoop.fs.statistics.IOStatisticsLogging
IOStatisticsSource实例的按需字符串化工具。
dependencies(List) - Method in class org.apache.hadoop.yarn.service.api.records.组件
在启动该组件之前,应处于就绪状态(由就绪检查定义)的一系列服务组件。
DEPENDENT_FAILED - Static variable in class org.apache.hadoop.mapred.jobcontrol.Job
 
depth() - Method in class org.apache.hadoop.fs.Path
返回此路径中的元素数量。
description() - Method in class org.apache.hadoop.metrics2.AbstractMetric
 
description() - Method in interface org.apache.hadoop.metrics2.MetricsInfo
Typically the description corresponds to annotation Metric.about() or the name of the class.
description() - Method in interface org.apache.hadoop.metrics2.MetricsRecord
 
description() - Method in class org.apache.hadoop.metrics2.MetricsTag
 
描述 - Variable in class org.apache.hadoop.registry.client.impl.zk.BindingInformation
任何可能对诊断有用的信息
描述 - Variable in class org.apache.hadoop.registry.client.types.ServiceRecord
描述字符串
description(String) - Method in class org.apache.hadoop.yarn.service.api.records.Service
服务描述。
DESCRIPTOR - Static variable in class org.apache.hadoop.mapreduce.lib.aggregate.ValueAggregatorJobBase
 
DESCRIPTOR_NUM - Static variable in class org.apache.hadoop.mapreduce.lib.aggregate.ValueAggregatorJobBase
 
deserialize(DataInput, int, Writable) - Method in class org.apache.hadoop.mapred.nativetask.serde.DefaultSerializer
 
deserialize(DataInput, int, T) - Method in interface org.apache.hadoop.mapred.nativetask.serde.INativeSerializer
 
deserialize(RecordInput, String) - Method in class org.apache.hadoop.record.Record
Deprecated.
反序列化带有标签(通常是字段名)的记录
deserialize(RecordInput) - Method in class org.apache.hadoop.record.Record
Deprecated.
反序列化无标签的记录
destFile(String) - Method in class org.apache.hadoop.yarn.service.api.records.ConfigFile
该配置文件在服务容器中应挂载的绝对路径。
destFile(String) - Method in class org.apache.hadoop.yarn.service.api.records.LocalizationStatus
设置目标文件并返回本地化状态。
destroy() - Method in class org.apache.hadoop.security.http.RestCsrfPreventionFilter
 
destroy() - Method in class org.apache.hadoop.security.http.XFrameOptionsFilter
 
destroyAllShellProcesses() - Static method in class org.apache.hadoop.util.Shell
Static method to destroy all running Shell processes.
DEVICE_CODE_CLIENT_APP_ID - Static variable in class org.apache.hadoop.fs.adl.AdlConfKeys
 
DFSInotifyEventInputStream - Class in org.apache.hadoop.hdfs
用于读取inotify事件的流。
诊断键 - Class in org.apache.hadoop.mapreduce.lib.output.committer.manifest.files
清单中的诊断键。
diagnostics(String) - Method in class org.apache.hadoop.yarn.service.api.records.LocalizationStatus
设置诊断信息并返回本地化状态。
diagnostics(String) - Method in class org.apache.hadoop.yarn.service.api.records.ServiceStatus
诊断信息(如有)说明服务当前状态的原因。
digest(byte[]) - Static method in class org.apache.hadoop.io.MD5Hash
为字节数组构造哈希值。
digest(InputStream) - Static method in class org.apache.hadoop.io.MD5Hash
为来自InputStream的内容构造一个哈希值。
digest(byte[], int, int) - Static method in class org.apache.hadoop.io.MD5Hash
为字节数组构造哈希值。
digest(byte[][], int, int) - Static method in class org.apache.hadoop.io.MD5Hash
为字节数组构建哈希值。
digest(String) - Static method in class org.apache.hadoop.io.MD5Hash
为字符串构造哈希值。
digest(UTF8) - Static method in class org.apache.hadoop.io.MD5Hash
为字符串构造哈希值。
DIR_DEFAULT_PERM - Static variable in class org.apache.hadoop.fs.FileContext
目录的默认权限
DIR_FORMATS - Static variable in class org.apache.hadoop.mapreduce.lib.input.MultipleInputs
 
DIR_MAPPERS - Static variable in class org.apache.hadoop.mapreduce.lib.input.MultipleInputs
 
DirectDecompressionCodec - Interface in org.apache.hadoop.io.compress
该类封装了一个能够解压缩直接字节缓冲区的编解码器。
DirectDecompressor - Interface in org.apache.hadoop.io.compress
直接ByteBuffer解压缩器的规范说明。
DIRECTORY - Static variable in class org.apache.hadoop.fs.azurebfs.constants.AbfsHttpConstants
 
DIRECTORY_MARKER_POLICY - Static variable in class org.apache.hadoop.fs.s3a.常量
目录标记策略。
DIRECTORY_MARKER_POLICY_AUTHORITATIVE - Static variable in class org.apache.hadoop.fs.s3a.常量
仅在权威目录树中保留目录标记。
DIRECTORY_MARKER_POLICY_DELETE - Static variable in class org.apache.hadoop.fs.s3a.常量
删除目录标记。
DIRECTORY_MARKER_POLICY_KEEP - Static variable in class org.apache.hadoop.fs.s3a.常量
保留目录标记。
DIRECTORY_OPERATIONS_PURGE_UPLOADS - Static variable in class org.apache.hadoop.fs.s3a.常量
目录操作是否应清除上传内容? 这至少会在调用中添加一个并行化的列表操作, 以及删除操作的开销。
DIRECTORY_OPERATIONS_PURGE_UPLOADS_DEFAULT - Static variable in class org.apache.hadoop.fs.s3a.常量
directoryCreated() - Method in class org.apache.hadoop.fs.azure.metrics.AzureFileSystemInstrumentation
表明我们刚刚通过WASB创建了一个目录。
directoryDeleted() - Method in class org.apache.hadoop.fs.azure.metrics.AzureFileSystemInstrumentation
表明我们刚刚通过WASB删除了一个目录。
DirEntry - Class in org.apache.hadoop.mapreduce.lib.output.committer.manifest.files
任务清单中的一个目录条目。
DirEntry(String, int, int) - Constructor for class org.apache.hadoop.mapreduce.lib.output.committer.manifest.files.DirEntry
构造一个条目。
DirEntry(Path, int, int) - Constructor for class org.apache.hadoop.mapreduce.lib.output.committer.manifest.files.DirEntry
构造一个条目。
dirEntry(Path, int, int) - Static method in class org.apache.hadoop.mapreduce.lib.output.committer.manifest.files.DirEntry
一个目录条目。
dirEntry(Path, EntryStatus, int) - Static method in class org.apache.hadoop.mapreduce.lib.output.committer.manifest.files.DirEntry
一个目录条目。
DISABLED_MEMORY_LIMIT - Static variable in class org.apache.hadoop.mapred.JobConf
Deprecated.
DISABLED_RM_PLACEMENT_CONSTRAINTS_HANDLER - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
This handler rejects all allocate calls made by an application, if they contain a SchedulingRequest.
disableErasureCodingPolicy(String) - Method in class org.apache.hadoop.hdfs.client.HdfsAdmin
禁用擦除编码策略。
disableExitOnDispatchException() - Method in class org.apache.hadoop.yarn.event.AsyncDispatcher
 
disallowSnapshot(Path) - Method in class org.apache.hadoop.hdfs.client.HdfsAdmin
禁止对目录进行快照。
DISK_VALIDATOR - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
磁盘验证器。
DISKS_FAILED - Static variable in class org.apache.hadoop.yarn.api.records.ContainerExitStatus
当达到nodemanager-local-directories或nodemanager-log-directories的故障目录数量阈值时。
dispatch(Event) - Method in class org.apache.hadoop.yarn.event.AsyncDispatcher
 
调度器 - Interface in org.apache.hadoop.yarn.event
事件分发器接口。
DISPATCHER_DRAIN_EVENTS_TIMEOUT - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DISPLAY_APPS_FOR_LOGGED_IN_USER - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
Deprecated.
displayByteArray(byte[]) - Static method in class org.apache.hadoop.io.WritableUtils
 
displayJobList(JobStatus[]) - Method in class org.apache.hadoop.mapreduce.tools.CLI
 
displayTasks(JobID, String, String) - Method in class org.apache.hadoop.mapred.JobClient
显示特定类型和特定状态下作业任务的信息
displayTasks(Job, String, String) - Method in class org.apache.hadoop.mapreduce.tools.CLI
显示特定类型和特定状态下作业任务的信息
DIST_SCHEDULING_ENABLED - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
控制是否启用分布式调度的设置。
DistCp - Class in org.apache.hadoop.tools
DistCp是DistCpV2的主要驱动类。
DistCp(Configuration, DistCpOptions) - Constructor for class org.apache.hadoop.tools.DistCp
公共构造函数。
DistCpOptions - Class in org.apache.hadoop.tools
Options类封装了所有DistCp选项。
DISTRIBUTED_NODELABEL_CONFIGURATION_TYPE - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DistributedCache - Class in org.apache.hadoop.filecache
Deprecated.
DistributedCache() - Constructor for class org.apache.hadoop.filecache.DistributedCache
Deprecated.
 
DISTRIBUTEDSHELLSCRIPTLEN - Static variable in class org.apache.hadoop.yarn.applications.distributedshell.DSConstants
表示shell脚本文件内容长度的环境变量键名。
DISTRIBUTEDSHELLSCRIPTLOCATION - Static variable in class org.apache.hadoop.yarn.applications.distributedshell.DSConstants
环境变量键名指向shell脚本的位置
DISTRIBUTEDSHELLSCRIPTTIMESTAMP - Static variable in class org.apache.hadoop.yarn.applications.distributedshell.DSConstants
表示shell脚本文件时间戳的环境变量键名。
DISTRIBUTEDSHELLTIMELINEDOMAIN - Static variable in class org.apache.hadoop.yarn.applications.distributedshell.DSConstants
表示时间线域ID的环境键名。
DNS_PREFIX - Static variable in interface org.apache.hadoop.registry.client.api.RegistryConstants
DNS特定选项的前缀:"hadoop.registry.dns."
DNS操作 - Interface in org.apache.hadoop.registry.client.api
DNS操作。
DNSToSwitchMapping - Interface in org.apache.hadoop.net
一个必须实现的接口,用于支持可插拔的DNS名称/IP地址到RackID解析器。
doAs(PrivilegedAction) - Method in class org.apache.hadoop.security.UserGroupInformation
以用户身份运行给定的操作。
doAs(PrivilegedExceptionAction) - Method in class org.apache.hadoop.security.UserGroupInformation
以用户身份运行给定操作,可能会抛出异常。
doAsCurrentUser(PrivilegedExceptionAction) - Static method in class org.apache.hadoop.security.SecurityUtil
以守护进程当前用户的身份执行指定操作。
doAsLoginUser(PrivilegedExceptionAction) - Static method in class org.apache.hadoop.security.SecurityUtil
以守护进程的登录用户身份执行指定操作。
doAsLoginUserOrFatal(PrivilegedAction) - Static method in class org.apache.hadoop.security.SecurityUtil
以守护进程的登录用户身份执行指定操作。
DOCKER_CONTAINER_RUNTIME_PREFIX - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
dockerClientConfig(String) - Method in class org.apache.hadoop.yarn.service.api.records.Service
 
doFilter(ServletRequest, ServletResponse, FilterChain) - Method in class org.apache.hadoop.security.http.RestCsrfPreventionFilter
 
doFilter(ServletRequest, ServletResponse, FilterChain) - Method in class org.apache.hadoop.security.http.XFrameOptionsFilter
 
doGetUri(URI, String, MultivaluedMap) - Method in class org.apache.hadoop.yarn.client.api.impl.TimelineReaderClientImpl
 
DOMAIN - Static variable in interface org.apache.hadoop.yarn.service.api.ServiceApiConstants
 
done() - Method in interface org.apache.hadoop.record.Index
Deprecated.
 
DOT - Static variable in class org.apache.hadoop.fs.azurebfs.constants.AbfsHttpConstants
 
doTransition(EVENTTYPE, EVENT) - Method in interface org.apache.hadoop.yarn.state.StateMachine
 
DOUBLE_VALUE_SUM - Static variable in class org.apache.hadoop.mapred.lib.aggregate.ValueAggregatorBaseDescriptor
 
DOUBLE_VALUE_SUM - Static variable in class org.apache.hadoop.mapreduce.lib.aggregate.ValueAggregatorBaseDescriptor
 
DoubleValueSum - Class in org.apache.hadoop.mapred.lib.aggregate
该类实现了一个值聚合器,用于对一系列双精度值进行求和。
DoubleValueSum() - Constructor for class org.apache.hadoop.mapred.lib.aggregate.DoubleValueSum
 
DoubleValueSum - Class in org.apache.hadoop.mapreduce.lib.aggregate
该类实现了一个值聚合器,用于对一系列双精度值进行求和。
DoubleValueSum() - Constructor for class org.apache.hadoop.mapreduce.lib.aggregate.DoubleValueSum
默认构造函数
DoubleWritable - Class in org.apache.hadoop.io
用于Double值的可写类型。
DoubleWritable() - Constructor for class org.apache.hadoop.io.DoubleWritable
 
DoubleWritable(double) - Constructor for class org.apache.hadoop.io.DoubleWritable
 
downgrade(JobID) - Static method in class org.apache.hadoop.mapred.JobID
将新的JobID降级为旧的JobID
downgrade(JobStatus) - Static method in class org.apache.hadoop.mapred.JobStatus
 
downgrade(TaskAttemptID) - Static method in class org.apache.hadoop.mapred.TaskAttemptID
将新的TaskAttemptID降级为旧版本
downgrade(TaskID) - Static method in class org.apache.hadoop.mapred.TaskID
将新的TaskID降级为旧的TaskID
DOWNGRADE_SYNCABLE_EXCEPTIONS - Static variable in class org.apache.hadoop.fs.s3a.常量
当尝试调用Syncable API时,不抛出异常,而是发出警告并降级处理。
DOWNGRADE_SYNCABLE_EXCEPTIONS_DEFAULT - Static variable in class org.apache.hadoop.fs.s3a.常量
可同步调用的默认值。
DR_CONFIGURATION_FILE - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
DRIVER_CLASS_PROPERTY - Static variable in class org.apache.hadoop.mapred.lib.db.DBConfiguration
JDBC驱动类名称
DRIVER_CLASS_PROPERTY - Static variable in class org.apache.hadoop.mapreduce.lib.db.DBConfiguration
JDBC驱动类名称
DROPBEHIND - Static variable in interface org.apache.hadoop.fs.StreamCapabilities
Stream setDropBehind capability implemented by CanSetDropBehind.setDropBehind(Boolean).
DSConstants - Class in org.apache.hadoop.yarn.applications.distributedshell
客户端和Application Master中使用的常量
DSConstants() - Constructor for class org.apache.hadoop.yarn.applications.distributedshell.DSConstants
 
DSQuotaExceededException - Exception in org.apache.hadoop.hdfs.protocol
 
DSQuotaExceededException() - Constructor for exception org.apache.hadoop.hdfs.protocol.DSQuotaExceededException
 
DSQuotaExceededException(String) - Constructor for exception org.apache.hadoop.hdfs.protocol.DSQuotaExceededException
 
DSQuotaExceededException(long, long) - Constructor for exception org.apache.hadoop.hdfs.protocol.DSQuotaExceededException
 
dumpConfiguration(Configuration, String, Writer) - Static method in class org.apache.hadoop.conf.配置
Writes properties and their attributes (final and resource) to the given Writer.
dumpConfiguration(Configuration, Writer) - Static method in class org.apache.hadoop.conf.配置
Writes out all properties and their attributes (final and resource) to the given Writer, the format of the output would be,
dumpDeprecatedKeys() - Static method in class org.apache.hadoop.conf.配置
 
dumpDiagnostics(String, String, String) - Method in class org.apache.hadoop.mapreduce.lib.output.committer.manifest.files.ManifestSuccessData
将诊断信息(如果有的话)转储为字符串。
dumpMetrics(String, String, String) - Method in class org.apache.hadoop.mapreduce.lib.output.committer.manifest.files.ManifestSuccessData
将指标(如果有的话)转储为字符串。
dumpTimelineRecordtoJSON(Object) - Static method in class org.apache.hadoop.yarn.util.timeline.TimelineUtils
将POJO对象序列化为非格式化JSON字符串
dumpTimelineRecordtoJSON(Object, boolean) - Static method in class org.apache.hadoop.yarn.util.timeline.TimelineUtils
将POJO对象序列化为JSON字符串
dumpTopology() - Method in class org.apache.hadoop.net.AbstractDNSToSwitchMapping
生成一个字符串,列出交换机映射实现、每个已知节点的映射以及已知节点和唯一交换机的数量 - 每个条目单独一行。
DurationInfo - Class in org.apache.hadoop.util
A duration with logging of final state at info or debug in the close() call.
DurationInfo(Logger, String, Object...) - Constructor for class org.apache.hadoop.util.DurationInfo
Create the duration text from a String.format() code call; log output at info level.
DurationInfo(Logger, boolean, String, Object...) - Constructor for class org.apache.hadoop.util.DurationInfo
Create the duration text from a String.format() code call and log either at info or debug.
DurationStatisticSummary - Class in org.apache.hadoop.fs.statistics
从IOStatistics实例中提取的持续时间跟踪统计摘要。
DurationStatisticSummary(String, boolean, long, long, long, MeanStatistic) - Constructor for class org.apache.hadoop.fs.statistics.DurationStatisticSummary
构造函数。
DynamicBloomFilter - Class in org.apache.hadoop.util.bloom
Implements a dynamic Bloom filter, as defined in the INFOCOM 2006 paper.
DynamicBloomFilter() - Constructor for class org.apache.hadoop.util.bloom.DynamicBloomFilter
用于序列化的无参构造函数。
DynamicBloomFilter(int, int, int, int) - Constructor for class org.apache.hadoop.util.bloom.DynamicBloomFilter
构造函数。

E

E_NO_ROLE - Static variable in class org.apache.hadoop.fs.s3a.auth.AssumedRoleCredentialProvider
 
E_NO_SESSION_TOKENS_FOR_ROLE_BINDING - Static variable in class org.apache.hadoop.fs.s3a.auth.delegation.DelegationConstants
如果令牌绑定认证链仅为会话级别认证,则无法使用角色绑定:"没有完整的AWS凭证,无法颁发S3A角色委派令牌"。
E_SAME_DIRECTORY_ONLY - Static variable in class org.apache.hadoop.fs.ftp.FTPFileSystem
 
ECBlockGroupStats - Class in org.apache.hadoop.hdfs.protocol
Get statistics pertaining to blocks of type BlockType.STRIPED in the filesystem.
ECBlockGroupStats(long, long, long, long, long) - Constructor for class org.apache.hadoop.hdfs.protocol.ECBlockGroupStats
 
ECBlockGroupStats(long, long, long, long, long, Long) - Constructor for class org.apache.hadoop.hdfs.protocol.ECBlockGroupStats
 
ECSchema - Class in org.apache.hadoop.io.erasurecode
用于存储管家相关信息的纠删码方案。
ECSchema(Map) - Constructor for class org.apache.hadoop.io.erasurecode.ECSchema
构造函数,包含模式名称及提供的所有选项。
ECSchema(String, int, int) - Constructor for class org.apache.hadoop.io.erasurecode.ECSchema
提供关键参数的构造函数。
ECSchema(String, int, int, Map) - Constructor for class org.apache.hadoop.io.erasurecode.ECSchema
提供关键参数的构造函数。
ElasticByteBufferPool - Class in org.apache.hadoop.io
这是一个简单的ByteBufferPool,它仅在需要时创建ByteBuffer。
ElasticByteBufferPool() - Constructor for class org.apache.hadoop.io.ElasticByteBufferPool
 
emit(TupleWritable) - Method in class org.apache.hadoop.mapred.join.MultiFilterRecordReader
对于每个发出的元组,返回一个值(通常是元组中的某个值)。
emit(TupleWritable) - Method in class org.apache.hadoop.mapred.join.OverrideRecordReader
发射元组中位置最高的值。
emit(TupleWritable) - Method in class org.apache.hadoop.mapreduce.lib.join.MultiFilterRecordReader
对于每个发出的元组,返回一个值(通常是元组中的某个值)。
emit(TupleWritable) - Method in class org.apache.hadoop.mapreduce.lib.join.OverrideRecordReader
发射元组中位置最高的值。
empty - Variable in class org.apache.hadoop.mapreduce.lib.join.WrappedRecordReader
 
EMPTY_ARRAY - Static variable in enum org.apache.hadoop.fs.StorageType
 
EMPTY_ARRAY - Static variable in class org.apache.hadoop.mapred.TaskCompletionEvent
 
EMPTY_ARRAY - Static variable in class org.apache.hadoop.mapreduce.TaskCompletionEvent
 
EMPTY_STRING - Static variable in class org.apache.hadoop.fs.azurebfs.constants.AbfsHttpConstants
 
emptyText - Static variable in class org.apache.hadoop.mapreduce.lib.fieldsel.FieldSelectionHelper
 
ENABLE_MULTI_DELETE - Static variable in class org.apache.hadoop.fs.s3a.常量
 
ENABLE_REST_APP_SUBMISSIONS - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
enableErasureCodingPolicy(String) - Method in class org.apache.hadoop.hdfs.client.HdfsAdmin
启用擦除编码策略。
enableFastLaunch(String) - Method in class org.apache.hadoop.yarn.client.api.AppAdminClient
将AM依赖项上传到HDFS。
enableFastLaunch(String) - Method in class org.apache.hadoop.yarn.service.client.ServiceClient
 
enableSymlinks() - Static method in class org.apache.hadoop.fs.FileSystem
 
encode(String) - Static method in class org.apache.hadoop.io.Text
使用UTF-8编码将提供的字符串转换为字节。
encode(String, boolean) - Static method in class org.apache.hadoop.io.Text
使用UTF-8编码将提供的字符串转换为字节。
encodeToUrlString() - Method in class org.apache.hadoop.security.token.Token
将此令牌编码为URL安全字符串。
encodeValue(byte[], XAttrCodec) - Static method in enum org.apache.hadoop.fs.XAttrCodec
将byte[]值编码为带有编码的字符串表示形式。
encodeValue(String) - Method in class org.apache.hadoop.yarn.client.api.impl.TimelineReaderClientImpl
 
加密区域 - Class in org.apache.hadoop.hdfs.protocol
一个用于表示加密区域的简单类。
EncryptionZone(long, String, CipherSuite, CryptoProtocolVersion, String) - Constructor for class org.apache.hadoop.hdfs.protocol.EncryptionZone
 
end() - Method in interface org.apache.hadoop.io.compress.Compressor
关闭压缩器并丢弃任何未处理的输入。
end() - Method in interface org.apache.hadoop.io.compress.Decompressor
关闭解压缩器并丢弃任何未处理的输入。
endMap(String) - Method in class org.apache.hadoop.record.BinaryRecordInput
Deprecated.
 
endMap(TreeMap, String) - Method in class org.apache.hadoop.record.BinaryRecordOutput
Deprecated.
 
endMap(TreeMap, String) - Method in class org.apache.hadoop.record.CsvRecordOutput
Deprecated.
 
endMap(String) - Method in interface org.apache.hadoop.record.RecordInput
Deprecated.
检查序列化映射结束的标记。
endMap(TreeMap, String) - Method in interface org.apache.hadoop.record.RecordOutput
Deprecated.
标记序列化映射的结束。
ENDPOINT - Static variable in class org.apache.hadoop.fs.s3a.常量
端点。
Endpoint - Class in org.apache.hadoop.registry.client.types
单个服务/组件端点的描述。
Endpoint() - Constructor for class org.apache.hadoop.registry.client.types.Endpoint
创建一个空实例。
端点(Endpoint) - Constructor for class org.apache.hadoop.registry.client.types.Endpoint
从另一个端点创建端点。
Endpoint(String, String, String, List>) - Constructor for class org.apache.hadoop.registry.client.types.Endpoint
构建一个包含地址列表的端点
Endpoint(String, String, String) - Constructor for class org.apache.hadoop.registry.client.types.Endpoint
构建一个地址列表为空的端点
Endpoint(String, String, String, Map) - Constructor for class org.apache.hadoop.registry.client.types.Endpoint
构建一个包含单个地址条目的端点。
Endpoint(String, String, String, Map...) - Constructor for class org.apache.hadoop.registry.client.types.Endpoint
构建一个包含地址列表的端点
Endpoint(String, String, URI...) - Constructor for class org.apache.hadoop.registry.client.types.Endpoint
从URI列表构建一个端点;每个URI经过ASCII编码后添加到地址列表中。
ENDPOINT_FIPS_DEFAULT - Static variable in class org.apache.hadoop.fs.s3a.常量
 
ENDPOINT_GROUP - Static variable in class org.apache.hadoop.fs.s3a.audit.S3LogParser
记录组"endpoint"。
endRecord() - Method in class org.apache.hadoop.metrics2.MetricsRecordBuilder
语法糖,用于在收集器中以单行方式添加多条记录。
endRecord(String) - Method in class org.apache.hadoop.record.BinaryRecordInput
Deprecated.
 
endRecord(Record, String) - Method in class org.apache.hadoop.record.BinaryRecordOutput
Deprecated.
 
endRecord(Record, String) - Method in class org.apache.hadoop.record.CsvRecordOutput
Deprecated.
 
endRecord(String) - Method in interface org.apache.hadoop.record.RecordInput
Deprecated.
检查序列化记录结束的标记。
endRecord(Record, String) - Method in interface org.apache.hadoop.record.RecordOutput
Deprecated.
标记序列化记录的结束。
endVector(String) - Method in class org.apache.hadoop.record.BinaryRecordInput
Deprecated.
 
endVector(ArrayList, String) - Method in class org.apache.hadoop.record.BinaryRecordOutput
Deprecated.
 
endVector(ArrayList, String) - Method in class org.apache.hadoop.record.CsvRecordOutput
Deprecated.
 
endVector(String) - Method in interface org.apache.hadoop.record.RecordInput
Deprecated.
检查序列化向量结束的标记。
endVector(ArrayList, String) - Method in interface org.apache.hadoop.record.RecordOutput
Deprecated.
标记序列化向量的结束。
ensembleProvider - Variable in class org.apache.hadoop.registry.client.impl.zk.BindingInformation
策展人集合提供者
ensureCurrentState(Service.STATE) - Method in class org.apache.hadoop.service.ServiceStateModel
验证服务是否处于给定状态。
ensureInflated() - Method in class org.apache.hadoop.io.CompressedWritable
所有访问字段的方法都必须调用此方法,以确保数据已解压。
enterStage(String) - Method in class org.apache.hadoop.mapreduce.lib.output.committer.manifest.ManifestCommitter
阶段进入时的回调。
enterState(Service.STATE) - Method in class org.apache.hadoop.service.ServiceStateModel
输入一个状态 - 线程安全。
entrySet() - Method in class org.apache.hadoop.io.MapWritable
 
entrySet() - Method in class org.apache.hadoop.io.SortedMapWritable
 
EnumSetWritable<E extends Enum<E>> - Class in org.apache.hadoop.io
EnumSet的可写包装器。
EnumSetWritable(EnumSet, Class) - Constructor for class org.apache.hadoop.io.EnumSetWritable
构造一个新的EnumSetWritable。
EnumSetWritable(EnumSet) - Constructor for class org.apache.hadoop.io.EnumSetWritable
构造一个新的EnumSetWritable。
env(Map) - Method in class org.apache.hadoop.yarn.service.api.records.配置
一组键值对,将被附加到默认系统属性中,并在启动时传递给服务。
ENV_HADOOP_HOME - Static variable in class org.apache.hadoop.util.Shell
Hadoop主目录的环境变量:"HADOOP_HOME"。
ENV_NAME_REGEX - Static variable in class org.apache.hadoop.util.Shell
环境变量的正则表达式: "[A-Za-z_][A-Za-z0-9_]*".
eof - Variable in class org.apache.hadoop.io.compress.DecompressorStream
 
EQUAL - Static variable in class org.apache.hadoop.fs.azurebfs.constants.AbfsHttpConstants
 
equals(Object) - Method in class org.apache.hadoop.fs.AbstractFileSystem
 
equals(Object) - Method in class org.apache.hadoop.fs.ContentSummary
 
equals(Object) - Method in class org.apache.hadoop.fs.FileChecksum
如果算法和值都相同,则返回true。
equals(Object) - Method in class org.apache.hadoop.fs.FileStatus
比较此对象是否与另一个对象相等
equals(Object) - Method in class org.apache.hadoop.fs.LocatedFileStatus
比较此对象是否与另一个对象相等
equals(Object) - Method in interface org.apache.hadoop.fs.PartHandle
 
equals(Object) - Method in class org.apache.hadoop.fs.Path
 
equals(Object) - Method in interface org.apache.hadoop.fs.PathHandle
 
equals(Object) - Method in class org.apache.hadoop.fs.permission.AclEntry
 
equals(Object) - Method in class org.apache.hadoop.fs.permission.AclStatus
 
equals(Object) - Method in class org.apache.hadoop.fs.permission.FsCreateModes
 
equals(Object) - Method in class org.apache.hadoop.fs.permission.FsPermission
 
equals(Object) - Method in class org.apache.hadoop.fs.QuotaUsage
 
equals(Object) - Method in class org.apache.hadoop.fs.statistics.MeanStatistic
 
equals(Object) - Method in interface org.apache.hadoop.fs.UploadHandle
 
equals(Object) - Method in class org.apache.hadoop.hdfs.protocol.CacheDirectiveInfo
 
equals(Object) - Method in class org.apache.hadoop.hdfs.protocol.CachePoolInfo
 
equals(Object) - Method in class org.apache.hadoop.hdfs.protocol.ECBlockGroupStats
 
equals(Object) - Method in class org.apache.hadoop.hdfs.protocol.EncryptionZone
 
equals(Object) - Method in class org.apache.hadoop.hdfs.server.common.FileRegion
 
equals(Object) - Method in class org.apache.hadoop.hdfs.server.namenode.TreePath
 
equals(Object) - Method in class org.apache.hadoop.io.BinaryComparable
如果来自{#getBytes()}的字节匹配则返回true。
equals(Object) - Method in class org.apache.hadoop.io.BooleanWritable
 
equals(Object) - Method in class org.apache.hadoop.io.BytesWritable
这两个字节序列是否相等?
equals(Object) - Method in class org.apache.hadoop.io.ByteWritable
Returns true iff o is a ByteWritable with the same value.
equals(Object) - Method in class org.apache.hadoop.io.DoubleWritable
Returns true iff o is a DoubleWritable with the same value.
equals(Object) - Method in class org.apache.hadoop.io.EnumSetWritable
Returns true if o is an EnumSetWritable with the same value, or both are null.
equals(Object) - Method in class org.apache.hadoop.io.erasurecode.ECSchema
 
equals(Object) - Method in class org.apache.hadoop.io.FloatWritable
Returns true iff o is a FloatWritable with the same value.
equals(Object) - Method in class org.apache.hadoop.io.IntWritable
Returns true iff o is a IntWritable with the same value.
equals(Object) - Method in class org.apache.hadoop.io.LongWritable
Returns true iff o is a LongWritable with the same value.
equals(Object) - Method in class org.apache.hadoop.io.MapWritable
 
equals(Object) - Method in class org.apache.hadoop.io.MD5Hash
Returns true iff o is an MD5Hash whose digest contains the same values.
equals(Object) - Method in class org.apache.hadoop.io.NullWritable
 
equals(Object) - Method in class org.apache.hadoop.io.ShortWritable
Returns true iff o is a ShortWritable with the same value.
equals(Object) - Method in class org.apache.hadoop.io.SortedMapWritable
 
equals(Object) - Method in class org.apache.hadoop.io.Text
Returns true iff o is a Text with the same length and same contents.
equals(Object) - Method in class org.apache.hadoop.io.VIntWritable
Returns true iff o is a VIntWritable with the same value.
equals(Object) - Method in class org.apache.hadoop.io.VLongWritable
Returns true iff o is a VLongWritable with the same value.
equals(Object) - Method in class org.apache.hadoop.ipc.CallerContext
 
equals(Object) - Method in class org.apache.hadoop.mapred.Counters.Counter
 
equals(Object) - Method in class org.apache.hadoop.mapred.Counters.Group
 
equals(Object) - Method in class org.apache.hadoop.mapred.join.WrappedRecordReader
当且仅当compareTo(other)返回true时返回true。
equals(Object) - Method in class org.apache.hadoop.mapreduce.counters.AbstractCounters
 
equals(Object) - Method in class org.apache.hadoop.mapreduce.ID
 
equals(Object) - Method in class org.apache.hadoop.mapreduce.JobID
 
equals(Object) - Method in class org.apache.hadoop.mapreduce.lib.join.TupleWritable
equals(Object) - Method in class org.apache.hadoop.mapreduce.lib.join.WrappedRecordReader
当且仅当compareTo(other)返回true时返回true。
equals(Object) - Method in class org.apache.hadoop.mapreduce.lib.output.committer.manifest.files.DirEntry
 
equals(Object) - Method in class org.apache.hadoop.mapreduce.TaskAttemptID
 
equals(Object) - Method in class org.apache.hadoop.mapreduce.TaskCompletionEvent
 
equals(Object) - Method in class org.apache.hadoop.mapreduce.TaskID
 
equals(Object) - Method in class org.apache.hadoop.metrics2.AbstractMetric
 
equals(Object) - Method in class org.apache.hadoop.metrics2.MetricsTag
 
equals(Object) - Method in class org.apache.hadoop.net.SocksSocketFactory
 
equals(Object) - Method in class org.apache.hadoop.net.StandardSocketFactory
 
equals(Object) - Method in class org.apache.hadoop.record.Buffer
Deprecated.
 
equals(Object) - Method in class org.apache.hadoop.registry.client.types.RegistryPathStatus
等值运算符检查条目的大小、时间和路径。
equals(Object) - Method in class org.apache.hadoop.registry.client.types.ServiceRecord
 
equals(Object) - Method in class org.apache.hadoop.security.token.delegation.AbstractDelegationTokenIdentifier
 
equals(Object) - Method in class org.apache.hadoop.security.token.Token
 
equals(Object) - Method in class org.apache.hadoop.security.UserGroupInformation
比较这些主题,看看它们是否彼此相等。
equals(Object) - Method in class org.apache.hadoop.yarn.api.protocolrecords.GetAllResourceProfilesResponse
 
equals(Object) - Method in class org.apache.hadoop.yarn.api.protocolrecords.GetAllResourceTypeInfoResponse
 
equals(Object) - Method in class org.apache.hadoop.yarn.api.protocolrecords.GetResourceProfileRequest
 
equals(Object) - Method in class org.apache.hadoop.yarn.api.protocolrecords.GetResourceProfileResponse
 
equals(Object) - Method in class org.apache.hadoop.yarn.api.records.ApplicationAttemptId
 
equals(Object) - Method in class org.apache.hadoop.yarn.api.records.ApplicationId
 
equals(Object) - Method in class org.apache.hadoop.yarn.api.records.ContainerId
 
equals(Object) - Method in class org.apache.hadoop.yarn.api.records.ExecutionTypeRequest
 
equals(Object) - Method in class org.apache.hadoop.yarn.api.records.NMToken
 
equals(Object) - Method in class org.apache.hadoop.yarn.api.records.NodeId
 
equals(Object) - Method in class org.apache.hadoop.yarn.api.records.NodeLabel
 
equals(Object) - Method in class org.apache.hadoop.yarn.api.records.优先级
 
equals(Object) - Method in class org.apache.hadoop.yarn.api.records.ReservationId
 
equals(Object) - Method in class org.apache.hadoop.yarn.api.records.ReservationRequest
 
equals(Object) - Method in class org.apache.hadoop.yarn.api.records.Resource
 
equals(Object) - Method in class org.apache.hadoop.yarn.api.records.ResourceRequest
 
equals(Object) - Method in class org.apache.hadoop.yarn.api.records.ResourceSizing
 
equals(Object) - Method in class org.apache.hadoop.yarn.api.records.ResourceUtilization
 
equals(Object) - Method in class org.apache.hadoop.yarn.api.records.timeline.TimelineEntity
 
equals(Object) - Method in class org.apache.hadoop.yarn.api.records.timeline.TimelineEntityGroupId
 
equals(Object) - Method in class org.apache.hadoop.yarn.api.records.timeline.TimelineEvent
 
equals(Object) - Method in class org.apache.hadoop.yarn.api.records.timelineservice.FlowActivityEntity
复用基类的equals方法。
equals(Object) - Method in class org.apache.hadoop.yarn.api.records.timelineservice.TimelineEntity
 
equals(Object) - Method in class org.apache.hadoop.yarn.api.records.timelineservice.TimelineEvent
 
equals(Object) - Method in class org.apache.hadoop.yarn.api.records.timelineservice.TimelineMetric
 
equals(Object) - Method in class org.apache.hadoop.yarn.api.records.UpdateContainerError
 
equals(Object) - Method in class org.apache.hadoop.yarn.api.records.UpdateContainerRequest
 
equals(Object) - Method in class org.apache.hadoop.yarn.api.records.UpdatedContainer
 
equals(Object) - Method in class org.apache.hadoop.yarn.api.resource.PlacementConstraint
 
equals(Object) - Method in class org.apache.hadoop.yarn.logaggregation.AggregatedLogFormat.LogKey
 
equals(Object) - Method in class org.apache.hadoop.yarn.security.AMRMTokenIdentifier
 
equals(Object) - Method in class org.apache.hadoop.yarn.security.client.ClientToAMTokenIdentifier
 
equals(Object) - Method in class org.apache.hadoop.yarn.security.ContainerTokenIdentifier
 
equals(Object) - Method in class org.apache.hadoop.yarn.security.NMTokenIdentifier
 
equals(Object) - Method in class org.apache.hadoop.yarn.service.api.records.Artifact
 
equals(Object) - Method in class org.apache.hadoop.yarn.service.api.records.组件
 
equals(Object) - Method in class org.apache.hadoop.yarn.service.api.records.ConfigFile
 
equals(Object) - Method in class org.apache.hadoop.yarn.service.api.records.配置
 
equals(Object) - Method in class org.apache.hadoop.yarn.service.api.records.Container
 
equals(Object) - Method in class org.apache.hadoop.yarn.service.api.records.错误
 
equals(Object) - Method in class org.apache.hadoop.yarn.service.api.records.KerberosPrincipal
 
equals(Object) - Method in class org.apache.hadoop.yarn.service.api.records.PlacementConstraint
 
equals(Object) - Method in class org.apache.hadoop.yarn.service.api.records.PlacementPolicy
 
equals(Object) - Method in class org.apache.hadoop.yarn.service.api.records.ReadinessCheck
 
equals(Object) - Method in class org.apache.hadoop.yarn.service.api.records.Resource
 
equals(Object) - Method in class org.apache.hadoop.yarn.service.api.records.Service
 
equals(Object) - Method in class org.apache.hadoop.yarn.service.api.records.ServiceStatus
 
ERR_ACQUIRING_LEASE - Static variable in class org.apache.hadoop.fs.azurebfs.services.AbfsErrors
 
ERR_CREATE_ON_ROOT - Static variable in class org.apache.hadoop.fs.azurebfs.services.AbfsErrors
 
ERR_LEASE_ALREADY_PRESENT - Static variable in class org.apache.hadoop.fs.azurebfs.services.AbfsErrors
 
ERR_LEASE_BROKEN - Static variable in class org.apache.hadoop.fs.azurebfs.services.AbfsErrors
 
ERR_LEASE_DID_NOT_MATCH - Static variable in class org.apache.hadoop.fs.azurebfs.services.AbfsErrors
 
ERR_LEASE_EXPIRED - Static variable in class org.apache.hadoop.fs.azurebfs.services.AbfsErrors
 
ERR_LEASE_FUTURE_EXISTS - Static variable in class org.apache.hadoop.fs.azurebfs.services.AbfsErrors
 
ERR_LEASE_ID_NOT_PRESENT - Static variable in class org.apache.hadoop.fs.azurebfs.services.AbfsErrors
 
ERR_LEASE_NOT_PRESENT - Static variable in class org.apache.hadoop.fs.azurebfs.services.AbfsErrors
 
ERR_NO_LEASE_ID_SPECIFIED - Static variable in class org.apache.hadoop.fs.azurebfs.services.AbfsErrors
 
ERR_NO_LEASE_THREADS - Static variable in class org.apache.hadoop.fs.azurebfs.services.AbfsErrors
 
ERR_PARALLEL_ACCESS_DETECTED - Static variable in class org.apache.hadoop.fs.azurebfs.services.AbfsErrors
 
ERR_WRITE_WITHOUT_LEASE - Static variable in class org.apache.hadoop.fs.azurebfs.services.AbfsErrors
 
错误 - Class in org.apache.hadoop.yarn.service.api.records
 
Error() - Constructor for class org.apache.hadoop.yarn.service.api.records.错误
 
errors() - Method in exception org.apache.hadoop.fs.s3a.impl.MultiObjectDeleteException
 
errorToString(S3Error) - Static method in exception org.apache.hadoop.fs.s3a.impl.MultiObjectDeleteException
将错误转换为字符串。
ESTABLISH_TIMEOUT - Static variable in class org.apache.hadoop.fs.s3a.常量
建立连接前的毫秒数:"fs.s3a.connection.establish.timeout"。
ETAG - Static variable in class org.apache.hadoop.fs.azurebfs.constants.HttpHeaderConfigurations
 
ETAG_CHECKSUM_ENABLED - Static variable in class org.apache.hadoop.fs.s3a.常量
是否应将etags作为校验和公开?
ETAG_CHECKSUM_ENABLED_DEFAULT - Static variable in class org.apache.hadoop.fs.s3a.常量
默认值: false.
eval(CallableRaisingIOE) - Static method in class org.apache.hadoop.util.functional.FutureIO
在当前线程中评估一个CallableRaisingIOE,将IOEs转换为RTEs并传播。
事件 - Class in org.apache.hadoop.hdfs.inotify
由inotify系统发送的事件。
Event(Event.EventType) - Constructor for class org.apache.hadoop.hdfs.inotify.Event
 
事件<TYPE extends Enum<TYPE>> - Interface in org.apache.hadoop.yarn.event
定义事件API的接口。
Event.AppendEvent - Class in org.apache.hadoop.hdfs.inotify
当现有文件被打开以进行追加时发送。
Event.CloseEvent - Class in org.apache.hadoop.hdfs.inotify
在追加或创建操作后关闭文件时发送。
Event.CreateEvent - Class in org.apache.hadoop.hdfs.inotify
当创建新文件时发送(包括覆盖)。
Event.MetadataUpdateEvent - Class in org.apache.hadoop.hdfs.inotify
当目录或文件(此处跟踪的元数据均不适用于符号链接)发生更新且未关联其他inotify事件时发送。
Event.RenameEvent - Class in org.apache.hadoop.hdfs.inotify
当文件、目录或符号链接被重命名时发送。
Event.TruncateEvent - Class in org.apache.hadoop.hdfs.inotify
在文件被截断时发送。
Event.UnlinkEvent - Class in org.apache.hadoop.hdfs.inotify
当文件、目录或符号链接被删除时发送。
EventBatch - Class in org.apache.hadoop.hdfs.inotify
同一事务ID下发生的一批事件。
EventBatch(long, Event[]) - Constructor for class org.apache.hadoop.hdfs.inotify.EventBatch
 
eventDispatchers - Variable in class org.apache.hadoop.yarn.event.AsyncDispatcher
 
EventHandler<T extends Event> - Interface in org.apache.hadoop.yarn.event
用于处理类型T事件的接口
EventsOfOneEntity() - Constructor for class org.apache.hadoop.yarn.api.records.timeline.TimelineEvents.EventsOfOneEntity
 
EXCEPTION - Static variable in class org.apache.hadoop.mapreduce.lib.output.committer.manifest.files.DiagnosticKeys
 
EXCLUSIVE_ENFORCED_PARTITIONS - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
EXCLUSIVE_ENFORCED_PARTITIONS_SUFFIX - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
execCommand(String...) - Static method in class org.apache.hadoop.util.Shell
执行shell命令的静态方法。
execCommand(Map, String[], long) - Static method in class org.apache.hadoop.util.Shell
执行shell命令的静态方法。
execCommand(Map, String...) - Static method in class org.apache.hadoop.util.Shell
执行shell命令的静态方法。
EXECUTABLE - Static variable in class org.apache.hadoop.mapred.pipes.Submitter
 
execute() - Method in class org.apache.hadoop.service.launcher.AbstractLaunchableService
运行一个服务。
execute() - Method in interface org.apache.hadoop.service.launcher.LaunchableService
运行一个服务。
execute() - Method in class org.apache.hadoop.tools.DistCp
实现核心执行功能。
executeQuery(String) - Method in class org.apache.hadoop.mapreduce.lib.db.DBRecordReader
 
executeQuery(String) - Method in class org.apache.hadoop.mapreduce.lib.db.MySQLDataDrivenDBRecordReader
 
executeQuery(String) - Method in class org.apache.hadoop.mapreduce.lib.db.MySQLDBRecordReader
 
ExecutionType - Enum in org.apache.hadoop.yarn.api.records
容器属性编码执行语义。
executionType(ExecutionType) - Method in class org.apache.hadoop.yarn.api.records.ResourceRequest.ResourceRequestBuilder
Set the executionTypeRequest of the request with 'ensure execution type' flag set to true.
executionType(ExecutionTypeRequest) - Method in class org.apache.hadoop.yarn.api.records.SchedulingRequest.SchedulingRequestBuilder
Set the executionType of the request.
ExecutionTypeRequest - Class in org.apache.hadoop.yarn.api.records
该类的对象表示与ResourceRequest关联的容器执行保证的规范。
ExecutionTypeRequest() - Constructor for class org.apache.hadoop.yarn.api.records.ExecutionTypeRequest
 
executionTypeRequest(ExecutionTypeRequest) - Method in class org.apache.hadoop.yarn.api.records.ResourceRequest.ResourceRequestBuilder
Set the executionTypeRequest of the request.
EXECUTOR_CAPACITY - Static variable in class org.apache.hadoop.fs.s3a.常量
The capacity of executor queues for operations other than block upload, where Constants.FAST_UPLOAD_ACTIVE_BLOCKS is used instead.
exists(Path) - Method in class org.apache.hadoop.fs.FileSystem
检查路径是否存在。
exists(Path) - Method in class org.apache.hadoop.fs.RawLocalFileSystem
 
exists(String) - Method in interface org.apache.hadoop.registry.client.api.RegistryOperations
探测路径是否存在。
exists(String) - Method in class org.apache.hadoop.registry.client.impl.zk.RegistryOperationsService
 
existsInternal(Path) - Method in class org.apache.hadoop.fs.azure.NativeAzureFileSystem
检查文件系统中是否存在给定路径。
EXIT_BAD_CONFIGURATION - Static variable in interface org.apache.hadoop.service.launcher.LauncherExitCodes
当配置有效/不完整时的退出代码:49。
EXIT_CLIENT_INITIATED_SHUTDOWN - Static variable in interface org.apache.hadoop.service.launcher.LauncherExitCodes
客户端请求服务终止时的退出代码:1。
EXIT_COMMAND_ARGUMENT_ERROR - Static variable in interface org.apache.hadoop.service.launcher.LauncherExitCodes
当命令行无法解析时退出代码:40,或当命令行无效时退出代码:40。
EXIT_CONNECTIVITY_PROBLEM - Static variable in interface org.apache.hadoop.service.launcher.LauncherExitCodes
连接问题时的退出代码:48。
EXIT_EXCEPTION_THROWN - Static variable in interface org.apache.hadoop.service.launcher.LauncherExitCodes
服务抛出异常时的退出代码:50。
EXIT_FAIL - Static variable in interface org.apache.hadoop.service.launcher.LauncherExitCodes
通用“错误/失败”响应:-1。
EXIT_FORBIDDEN - Static variable in interface org.apache.hadoop.service.launcher.LauncherExitCodes
禁止操作:43。
EXIT_INTERRUPTED - Static variable in interface org.apache.hadoop.service.launcher.LauncherExitCodes
当接收到control-C、kill -3信号时的退出代码:3。
EXIT_NOT_ACCEPTABLE - Static variable in interface org.apache.hadoop.service.launcher.LauncherExitCodes
该命令以某种方式不可接受:46。
EXIT_NOT_FOUND - Static variable in interface org.apache.hadoop.service.launcher.LauncherExitCodes
未找到内容:44。
EXIT_OPERATION_NOT_ALLOWED - Static variable in interface org.apache.hadoop.service.launcher.LauncherExitCodes
该操作不被允许: 45.
EXIT_OTHER_FAILURE - Static variable in interface org.apache.hadoop.service.launcher.LauncherExitCodes
发生某些情况但无法具体说明时的退出代码:5。
EXIT_SERVICE_CREATION_FAILURE - Static variable in interface org.apache.hadoop.service.launcher.LauncherExitCodes
无法创建服务实例:56。
EXIT_SERVICE_LIFECYCLE_EXCEPTION - Static variable in interface org.apache.hadoop.service.launcher.LauncherExitCodes
无法创建服务实例:57。
EXIT_SERVICE_UNAVAILABLE - Static variable in interface org.apache.hadoop.service.launcher.LauncherExitCodes
服务不可用;稍后可能会恢复:53。
EXIT_SUCCESS - Static variable in interface org.apache.hadoop.service.launcher.LauncherExitCodes
成功: 0.
EXIT_TASK_LAUNCH_FAILURE - Static variable in interface org.apache.hadoop.service.launcher.LauncherExitCodes
无法启动目标时的退出代码:2。
EXIT_UNAUTHORIZED - Static variable in interface org.apache.hadoop.service.launcher.LauncherExitCodes
该请求需要用户认证:41。
EXIT_UNIMPLEMENTED - Static variable in interface org.apache.hadoop.service.launcher.LauncherExitCodes
未实现的功能:51。
EXIT_UNSUPPORTED_VERSION - Static variable in interface org.apache.hadoop.service.launcher.LauncherExitCodes
该应用程序不支持或拒绝支持此版本:55。
EXIT_USAGE - Static variable in interface org.apache.hadoop.service.launcher.LauncherExitCodes
打印使用说明信息时的退出代码:42。
exitStage(String) - Method in class org.apache.hadoop.mapreduce.lib.output.committer.manifest.ManifestCommitter
从公共审计上下文中移除阶段。
EXPECT - Static variable in class org.apache.hadoop.fs.azurebfs.constants.HttpHeaderConfigurations
 
EXPECT_100_JDK_ERROR - Static variable in class org.apache.hadoop.fs.azurebfs.constants.AbfsHttpConstants
 
EXPERIMENTAL_AWS_INTERNAL_THROTTLING - Static variable in class org.apache.hadoop.fs.s3a.常量
实验性/不稳定功能:AWS客户端库是否应在升级到S3A代码前重试节流响应:"fs.s3a.experimental.aws.s3.throttling"。
EXPERIMENTAL_AWS_INTERNAL_THROTTLING_DEFAULT - Static variable in class org.apache.hadoop.fs.s3a.常量
Default value of Constants.EXPERIMENTAL_AWS_INTERNAL_THROTTLING, value: true.
expire(O) - Method in class org.apache.hadoop.yarn.util.AbstractLivelinessMonitor
 
EXPIRE_BUFFER_MS - Static variable in class org.apache.hadoop.hdfs.web.oauth2.AccessTokenTimer
 
EXPIRED_ENTITY - Static variable in class org.apache.hadoop.yarn.api.records.timeline.TimelinePutResponse.TimelinePutError
如果实体开始时间早于旧数据的驱逐周期,则返回此错误代码。
EXPIRES_IN - Static variable in class org.apache.hadoop.hdfs.web.oauth2.OAuth2Constants
 
EXPRESSION_VAL_DELIM - Static variable in class org.apache.hadoop.yarn.util.constraint.PlacementConstraintParser
 
expunge() - Method in class org.apache.hadoop.fs.回收站
删除旧的检查点。
expungeImmediately() - Method in class org.apache.hadoop.fs.回收站
立即删除所有垃圾。
extendedRequestId() - Method in exception org.apache.hadoop.fs.s3a.AWSServiceIOException
 
external - Variable in class org.apache.hadoop.registry.client.types.ServiceRecord
供外部调用者使用的端点列表
extractEtagHeader(AbfsHttpOperation) - Static method in class org.apache.hadoop.fs.azurebfs.AzureBlobFileSystemStore
从响应中获取etag标头,去除所有引号。
extractOutputKeyValue(String, String, String, List, List, int, boolean, boolean) - Method in class org.apache.hadoop.mapreduce.lib.fieldsel.FieldSelectionHelper
 
extractServiceRecords(RegistryOperations, String, Collection) - Static method in class org.apache.hadoop.registry.client.binding.RegistryUtils
提取统计操作列表下的所有服务记录...此操作会跳过过短或完全不匹配的条目
extractServiceRecords(RegistryOperations, String, Map) - Static method in class org.apache.hadoop.registry.client.binding.RegistryUtils
提取统计操作列表下的所有服务记录...这个非原子操作会跳过过短或完全不匹配的条目。
extractServiceRecords(RegistryOperations, String) - Static method in class org.apache.hadoop.registry.client.binding.RegistryUtils
提取统计操作列表下的所有服务记录...这个非原子操作会跳过过短或完全不匹配的条目。

F

FAIL_INJECT_CLIENT_FACTORY - Static variable in class org.apache.hadoop.fs.s3a.常量
 
FAIL_INJECT_INCONSISTENCY_KEY - Static variable in class org.apache.hadoop.fs.s3a.常量
Deprecated.
FAIL_INJECT_INCONSISTENCY_MSEC - Static variable in class org.apache.hadoop.fs.s3a.常量
Deprecated.
FAIL_INJECT_INCONSISTENCY_PROBABILITY - Static variable in class org.apache.hadoop.fs.s3a.常量
Deprecated.
FAIL_INJECT_THROTTLE_PROBABILITY - Static variable in class org.apache.hadoop.fs.s3a.常量
 
FAIL_ON_METADATA_WRITE_ERROR - Static variable in class org.apache.hadoop.fs.s3a.常量
Deprecated.
FAIL_ON_METADATA_WRITE_ERROR_DEFAULT - Static variable in class org.apache.hadoop.fs.s3a.常量
Deprecated.
failApplicationAttempt(FailApplicationAttemptRequest) - Method in interface org.apache.hadoop.yarn.api.ApplicationClientProtocol
The interface used by clients to request the ResourceManager to fail an application attempt.
failApplicationAttempt(ApplicationAttemptId) - Method in class org.apache.hadoop.yarn.client.api.YarnClient
终止指定ID的应用程序尝试。
FailApplicationAttemptRequest - Class in org.apache.hadoop.yarn.api.protocolrecords
The request sent by the client to the ResourceManager to fail an application attempt.
FailApplicationAttemptRequest() - Constructor for class org.apache.hadoop.yarn.api.protocolrecords.FailApplicationAttemptRequest
 
FailApplicationAttemptResponse - Class in org.apache.hadoop.yarn.api.protocolrecords
The response sent by the ResourceManager to the client failing an application attempt.
FailApplicationAttemptResponse() - Constructor for class org.apache.hadoop.yarn.api.protocolrecords.FailApplicationAttemptResponse
 
FAILED - Static variable in class org.apache.hadoop.mapred.jobcontrol.Job
 
FAILED - Static variable in class org.apache.hadoop.mapred.JobStatus
 
FAILED_TO_GET_UGI_MSG_HEADER - Static variable in class org.apache.hadoop.security.SecurityUtil
 
failJob(String) - Method in class org.apache.hadoop.mapreduce.lib.jobcontrol.ControlledJob
 
FailoverFailedException - Exception in org.apache.hadoop.ha
抛出异常以指示服务故障转移失败。
FailoverFailedException(String) - Constructor for exception org.apache.hadoop.ha.FailoverFailedException
 
FailoverFailedException(String, Throwable) - Constructor for exception org.apache.hadoop.ha.FailoverFailedException
 
failTask(TaskAttemptID) - Method in class org.apache.hadoop.mapreduce.Job
标记失败的任务尝试。
FAST_BUFFER_SIZE - Static variable in class org.apache.hadoop.fs.s3a.常量
Deprecated.
FAST_UPLOAD - Static variable in class org.apache.hadoop.fs.s3a.常量
Deprecated.
FAST_UPLOAD_ACTIVE_BLOCKS - Static variable in class org.apache.hadoop.fs.s3a.常量
单个输出流可拥有的最大块数(正在上传或排队等待中央FileSystem实例的操作队列池)。
FAST_UPLOAD_BUFFER - Static variable in class org.apache.hadoop.fs.s3a.常量
使用什么缓冲区。
FAST_UPLOAD_BUFFER_ARRAY - Static variable in class org.apache.hadoop.fs.s3a.常量
使用内存中的数组。
FAST_UPLOAD_BUFFER_DISK - Static variable in class org.apache.hadoop.fs.s3a.常量
将缓冲块写入磁盘:"disk"。
FAST_UPLOAD_BYTEBUFFER - Static variable in class org.apache.hadoop.fs.s3a.常量
使用字节缓冲区。
FEDERATION_ALLOCATION_HISTORY_MAX_ENTRY - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
FEDERATION_AMRMPROXY_HB_MAX_WAIT_MS - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
FEDERATION_AMRMPROXY_REGISTER_UAM_RETRY_COUNT - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
FEDERATION_AMRMPROXY_REGISTER_UAM_RETRY_INTERVAL - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
FEDERATION_AMRMPROXY_SUBCLUSTER_TIMEOUT - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
FEDERATION_BLACKLIST_SUBCLUSTERS - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
FEDERATION_CACHE_ENTITY_NUMS - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
FEDERATION_CACHE_TIME_TO_LIVE_SECS - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
FEDERATION_CLUSTER_RESOLVER_CLASS - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
FEDERATION_ENABLED - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
FEDERATION_FACADE_CACHE_CLASS - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
FEDERATION_FAILOVER_ENABLED - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
FEDERATION_FLUSH_CACHE_FOR_RM_ADDR - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
FEDERATION_GPG_LOAD_BASED_MAX_EDIT - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
FEDERATION_GPG_LOAD_BASED_MAX_PENDING - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
FEDERATION_GPG_LOAD_BASED_MIN_PENDING - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
FEDERATION_GPG_LOAD_BASED_MIN_WEIGHT - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
FEDERATION_GPG_LOAD_BASED_SCALING - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
FEDERATION_GPG_POLICY_PREFIX - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
FEDERATION_MACHINE_LIST - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
FEDERATION_NON_HA_ENABLED - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
FEDERATION_POLICY_MANAGER - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
FEDERATION_POLICY_MANAGER_PARAMS - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
FEDERATION_PREFIX - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
FEDERATION_REGISTRY_BASE_KEY - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
FEDERATION_STATESTORE_CLEANUP_RETRY_COUNT - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
FEDERATION_STATESTORE_CLEANUP_RETRY_SLEEP_TIME - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
FEDERATION_STATESTORE_CLIENT_CLASS - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
FEDERATION_STATESTORE_CONN_IDLE_TIMEOUT_TIME - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
数据库连接空闲超时时间。
FEDERATION_STATESTORE_CONN_MAX_LIFE_TIME - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
数据库连接的最大生命周期。
FEDERATION_STATESTORE_CONNECTION_TIMEOUT - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
数据库连接超时时间。
FEDERATION_STATESTORE_HEARTBEAT_INITIAL_DELAY - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
FEDERATION_STATESTORE_HEARTBEAT_INTERVAL_SECS - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
FEDERATION_STATESTORE_MAX_APPLICATIONS - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
FEDERATION_STATESTORE_POOL_NAME - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
数据库连接池的名称。
FEDERATION_STATESTORE_SQL_JDBC_CLASS - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
FEDERATION_STATESTORE_SQL_MAXCONNECTIONS - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
FEDERATION_STATESTORE_SQL_MINIMUMIDLE - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
数据库连接池最小连接数。
FEDERATION_STATESTORE_SQL_PASSWORD - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
FEDERATION_STATESTORE_SQL_URL - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
FEDERATION_STATESTORE_SQL_USERNAME - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
FEDERATION_STATESTORE_ZK_PARENT_PATH - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
ZKRMStateStore 将在其下创建 znode 的父 znode 路径。
FEDERATION_STATESTORE_ZK_PREFIX - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
FEDERATION_YARN_CLIENT_FAILOVER_RANDOM_ORDER - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
FenceMethod - Interface in org.apache.hadoop.ha
隔离方法是一种允许一个节点强制阻止另一个节点继续执行的方法。
fetchDurationSummary(IOStatistics, String, boolean) - Static method in class org.apache.hadoop.fs.statistics.DurationStatisticSummary
从一个IO统计源获取成功或失败操作的持续时间计时摘要。
fetchSuccessSummary(IOStatistics, String) - Static method in class org.apache.hadoop.fs.statistics.DurationStatisticSummary
从IOStatistics源获取持续时间计时摘要。
fieldNames - Variable in class org.apache.hadoop.mapreduce.lib.db.DBInputFormat
 
fields(String) - Method in class org.apache.hadoop.yarn.service.api.records.错误
 
FieldSelectionHelper - Class in org.apache.hadoop.mapreduce.lib.fieldsel
该类实现了一个mapper/reducer类,可用于以类似于Unix cut命令的方式执行字段选择。
FieldSelectionHelper() - Constructor for class org.apache.hadoop.mapreduce.lib.fieldsel.FieldSelectionHelper
 
FieldSelectionHelper(Text, Text) - Constructor for class org.apache.hadoop.mapreduce.lib.fieldsel.FieldSelectionHelper
 
FieldSelectionMapper<K,V> - Class in org.apache.hadoop.mapreduce.lib.fieldsel
该类实现了一个映射器类,可用于以类似于Unix cut命令的方式进行字段选择。
FieldSelectionMapper() - Constructor for class org.apache.hadoop.mapreduce.lib.fieldsel.FieldSelectionMapper
 
FieldSelectionMapReduce<K,V> - Class in org.apache.hadoop.mapred.lib
该类实现了一个mapper/reducer类,可用于以类似于Unix cut命令的方式进行字段选择。
FieldSelectionMapReduce() - Constructor for class org.apache.hadoop.mapred.lib.FieldSelectionMapReduce
 
FieldSelectionReducer<K,V> - Class in org.apache.hadoop.mapreduce.lib.fieldsel
该类实现了一个reducer类,可用于执行字段选择,其方式类似于Unix的cut命令。
FieldSelectionReducer() - Constructor for class org.apache.hadoop.mapreduce.lib.fieldsel.FieldSelectionReducer
 
FILE - Static variable in class org.apache.hadoop.fs.azurebfs.constants.AbfsHttpConstants
 
FILE_COMMITTER_FACTORY - Static variable in class org.apache.hadoop.mapreduce.lib.output.PathOutputCommitterFactory
The FileOutputCommitter factory.
FILE_CONFIGURATION_STORE - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
FILE_DEFAULT_PERM - Static variable in class org.apache.hadoop.fs.FileContext
文件的默认权限
FILE_NOT_FOUND_SINGLE_ATTEMPT - Static variable in exception org.apache.hadoop.fs.s3a.RemoteFileChangedException
文件在LIST和COPY之间的重命名过程中消失了。
FileAlreadyExistsException - Exception in org.apache.hadoop.fs
当目标文件已存在且未配置为覆盖时,用于任何操作。
FileAlreadyExistsException() - Constructor for exception org.apache.hadoop.fs.FileAlreadyExistsException
 
FileAlreadyExistsException(String) - Constructor for exception org.apache.hadoop.fs.FileAlreadyExistsException
 
FileAlreadyExistsException - Exception in org.apache.hadoop.mapred
当目标文件已存在且未配置为覆盖时,用于任何操作。
FileAlreadyExistsException() - Constructor for exception org.apache.hadoop.mapred.FileAlreadyExistsException
 
FileAlreadyExistsException(String) - Constructor for exception org.apache.hadoop.mapred.FileAlreadyExistsException
 
FileChecksum - Class in org.apache.hadoop.fs
一个表示文件校验和的抽象类。
FileChecksum() - Constructor for class org.apache.hadoop.fs.FileChecksum
 
FileContext - Class in org.apache.hadoop.fs
FileContext类为Hadoop文件系统的用户提供了一个接口。
fileControllerName - Variable in class org.apache.hadoop.yarn.logaggregation.filecontroller.LogAggregationFileController
 
fileCreated() - Method in class org.apache.hadoop.fs.azure.metrics.AzureFileSystemInstrumentation
表明我们刚刚通过WASB创建了一个文件。
fileDeleted() - Method in class org.apache.hadoop.fs.azure.metrics.AzureFileSystemInstrumentation
表明我们刚刚通过WASB删除了一个文件。
FileInputFormat<K,V> - Class in org.apache.hadoop.mapred
A base class for file-based InputFormat.
FileInputFormat() - Constructor for class org.apache.hadoop.mapred.FileInputFormat
 
FileInputFormat<K,V> - Class in org.apache.hadoop.mapreduce.lib.input
A base class for file-based InputFormats.
FileInputFormat() - Constructor for class org.apache.hadoop.mapreduce.lib.input.FileInputFormat
 
FileInputFormatCounter - Enum in org.apache.hadoop.mapreduce.lib.input
 
fileNameFromBlockPoolID(String) - Static method in class org.apache.hadoop.hdfs.server.common.blockaliasmap.impl.TextFileRegionAliasMap
 
FileOutputCommitter - Class in org.apache.hadoop.mapred
An OutputCommitter that commits files specified in job output directory i.e.
FileOutputCommitter() - Constructor for class org.apache.hadoop.mapred.FileOutputCommitter
 
FileOutputCommitter - Class in org.apache.hadoop.mapreduce.lib.output
An OutputCommitter that commits files specified in job output directory i.e.
FileOutputCommitter(Path, TaskAttemptContext) - Constructor for class org.apache.hadoop.mapreduce.lib.output.FileOutputCommitter
创建一个文件输出提交器
FileOutputCommitter(Path, JobContext) - Constructor for class org.apache.hadoop.mapreduce.lib.output.FileOutputCommitter
创建一个文件输出提交器
FILEOUTPUTCOMMITTER_ALGORITHM_VERSION - Static variable in class org.apache.hadoop.mapreduce.lib.output.FileOutputCommitter
 
FILEOUTPUTCOMMITTER_ALGORITHM_VERSION_DEFAULT - Static variable in class org.apache.hadoop.mapreduce.lib.output.FileOutputCommitter
 
FILEOUTPUTCOMMITTER_CLEANUP_FAILURES_IGNORED - Static variable in class org.apache.hadoop.mapreduce.lib.output.FileOutputCommitter
 
FILEOUTPUTCOMMITTER_CLEANUP_FAILURES_IGNORED_DEFAULT - Static variable in class org.apache.hadoop.mapreduce.lib.output.FileOutputCommitter
 
FILEOUTPUTCOMMITTER_CLEANUP_SKIPPED - Static variable in class org.apache.hadoop.mapreduce.lib.output.FileOutputCommitter
 
FILEOUTPUTCOMMITTER_CLEANUP_SKIPPED_DEFAULT - Static variable in class org.apache.hadoop.mapreduce.lib.output.FileOutputCommitter
 
FILEOUTPUTCOMMITTER_FAILURE_ATTEMPTS - Static variable in class org.apache.hadoop.mapreduce.lib.output.FileOutputCommitter
 
FILEOUTPUTCOMMITTER_FAILURE_ATTEMPTS_DEFAULT - Static variable in class org.apache.hadoop.mapreduce.lib.output.FileOutputCommitter
 
FILEOUTPUTCOMMITTER_TASK_CLEANUP_ENABLED - Static variable in class org.apache.hadoop.mapreduce.lib.output.FileOutputCommitter
 
FILEOUTPUTCOMMITTER_TASK_CLEANUP_ENABLED_DEFAULT - Static variable in class org.apache.hadoop.mapreduce.lib.output.FileOutputCommitter
 
FileOutputFormat<K,V> - Class in org.apache.hadoop.mapred
A base class for OutputFormat.
FileOutputFormat() - Constructor for class org.apache.hadoop.mapred.FileOutputFormat
 
FileOutputFormat<K,V> - Class in org.apache.hadoop.mapreduce.lib.output
A base class for OutputFormats that read from FileSystems.
FileOutputFormat() - Constructor for class org.apache.hadoop.mapreduce.lib.output.FileOutputFormat
 
FileOutputFormatCounter - Enum in org.apache.hadoop.mapreduce.lib.output
 
FileRegion - Class in org.apache.hadoop.hdfs.server.common
该类用于表示提供的文件区域块,即可以使用(路径、偏移量、长度)来描述。
FileRegion(long, Path, long, long, long) - Constructor for class org.apache.hadoop.hdfs.server.common.FileRegion
 
FileRegion(long, Path, long, long, long, byte[]) - Constructor for class org.apache.hadoop.hdfs.server.common.FileRegion
 
FileRegion(long, Path, long, long) - Constructor for class org.apache.hadoop.hdfs.server.common.FileRegion
 
FileRegion(Block, ProvidedStorageLocation) - Constructor for class org.apache.hadoop.hdfs.server.common.FileRegion
 
files(List) - Method in class org.apache.hadoop.yarn.service.api.records.配置
需要在服务组件容器中创建并作为卷提供的文件列表数组。
FileSink - Class in org.apache.hadoop.metrics2.sink
一个将指标写入文件的指标接收器
FileSink() - Constructor for class org.apache.hadoop.metrics2.sink.FileSink
 
FileSplit - Class in org.apache.hadoop.mapred
输入文件的一个部分。
FileSplit() - Constructor for class org.apache.hadoop.mapred.FileSplit
 
FileSplit(Path, long, long, JobConf) - Constructor for class org.apache.hadoop.mapred.FileSplit
Deprecated. 
FileSplit(Path, long, long, String[]) - Constructor for class org.apache.hadoop.mapred.FileSplit
构建一个包含主机信息的分片
FileSplit(Path, long, long, String[], String[]) - Constructor for class org.apache.hadoop.mapred.FileSplit
构建一个包含主机信息的分片
FileSplit(FileSplit) - Constructor for class org.apache.hadoop.mapred.FileSplit
 
FileSplit - Class in org.apache.hadoop.mapreduce.lib.input
输入文件的一个部分。
FileSplit() - Constructor for class org.apache.hadoop.mapreduce.lib.input.FileSplit
 
FileSplit(Path, long, long, String[]) - Constructor for class org.apache.hadoop.mapreduce.lib.input.FileSplit
构建一个包含主机信息的分片
FileSplit(Path, long, long, String[], String[]) - Constructor for class org.apache.hadoop.mapreduce.lib.input.FileSplit
构建一个包含主机和缓存块信息的分片
FileStatus - Class in org.apache.hadoop.fs
表示文件客户端信息的接口。
FileStatus() - Constructor for class org.apache.hadoop.fs.FileStatus
 
FileStatus(long, boolean, int, long, long, Path) - Constructor for class org.apache.hadoop.fs.FileStatus
 
FileStatus(long, boolean, int, long, long, long, FsPermission, String, String, Path) - Constructor for class org.apache.hadoop.fs.FileStatus
不支持符号链接的文件系统的构造函数
FileStatus(long, boolean, int, long, long, long, FsPermission, String, String, Path, Path) - Constructor for class org.apache.hadoop.fs.FileStatus
 
FileStatus(long, boolean, int, long, long, long, FsPermission, String, String, Path, Path, boolean, boolean, boolean) - Constructor for class org.apache.hadoop.fs.FileStatus
 
FileStatus(long, boolean, int, long, long, long, FsPermission, String, String, Path, Path, Set) - Constructor for class org.apache.hadoop.fs.FileStatus
 
FileStatus(FileStatus) - Constructor for class org.apache.hadoop.fs.FileStatus
复制构造函数。
FILESYSTEM - Static variable in class org.apache.hadoop.fs.azurebfs.constants.AbfsHttpConstants
 
FileSystem - Class in org.apache.hadoop.fs
一个相当通用的文件系统的抽象基类。
FileSystem() - Constructor for class org.apache.hadoop.fs.FileSystem
 
FILESYSTEM_CLOSE - Static variable in class org.apache.hadoop.fs.statistics.FileSystemStatisticNames
文件系统关闭耗时多久?
fileSystem_getEnclosingRoot(FileSystem, Path) - Static method in class org.apache.hadoop.io.wrappedio.WrappedIO
返回给定路径的封闭根路径。
FILESYSTEM_INITIALIZATION - Static variable in class org.apache.hadoop.fs.statistics.FileSystemStatisticNames
文件系统初始化耗时多久?
fileSystem_openFile(FileSystem, Path, String, FileStatus, Long, Map) - Static method in class org.apache.hadoop.io.wrappedio.WrappedIO
OpenFile assistant, easy reflection-based access to FileSystem.openFile(Path) and blocks awaiting the operation completion.
文件系统配置 - Class in org.apache.hadoop.fs.azurebfs.constants
负责维护所有与Azure Blob文件系统相关的配置。
FileSystemImage - Class in org.apache.hadoop.hdfs.server.namenode
从外部命名空间创建FSImage。
FileSystemImage() - Constructor for class org.apache.hadoop.hdfs.server.namenode.FileSystemImage
 
FileSystemOperationUnhandledException - Exception in org.apache.hadoop.fs.azurebfs.contracts.exceptions
当文件系统操作期间发生未处理的异常时抛出。
FileSystemOperationUnhandledException(Exception) - Constructor for exception org.apache.hadoop.fs.azurebfs.contracts.exceptions.FileSystemOperationUnhandledException
 
FileSystemStatisticNames - Class in org.apache.hadoop.fs.statistics
文件系统级别统计的常见统计名称,包括内部统计。
FileSystemUriSchemes - Class in org.apache.hadoop.fs.azurebfs.constants
负责维护所有Azure Blob文件系统的有效URI方案。
FileUtil - Class in org.apache.hadoop.fs
一组文件处理实用方法
FileUtil() - Constructor for class org.apache.hadoop.fs.FileUtil
 
fillJoinCollector(K) - Method in class org.apache.hadoop.mapred.join.CompositeRecordReader
对于所有提供指定键的子RR,获取JoinCollector中该位置的迭代器。
fillJoinCollector(K) - Method in class org.apache.hadoop.mapred.join.OverrideRecordReader
不要用来自所有数据源的迭代器填充JoinCollector,只为当前键填充最右侧的数据源。
fillJoinCollector(K) - Method in class org.apache.hadoop.mapreduce.lib.join.CompositeRecordReader
对于所有提供指定键的子RR,获取JoinCollector中该位置的迭代器。
fillJoinCollector(K) - Method in class org.apache.hadoop.mapreduce.lib.join.OverrideRecordReader
不要用来自所有数据源的迭代器填充JoinCollector,而只需为此键填充最右侧的迭代器。
FILTER_CLASS - Static variable in class org.apache.hadoop.mapreduce.lib.input.SequenceFileInputFilter
 
FILTER_ENTITY_LIST_BY_USER - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
FILTER_FREQUENCY - Static variable in class org.apache.hadoop.mapreduce.lib.input.SequenceFileInputFilter
 
FILTER_INVALID_XML_CHARS - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
FILTER_REGEX - Static variable in class org.apache.hadoop.mapreduce.lib.input.SequenceFileInputFilter
 
FilterFileSystem - Class in org.apache.hadoop.fs
A FilterFileSystem contains some other file system, which it uses as its basic file system, possibly transforming the data along the way or providing additional functionality.
FilterFileSystem() - Constructor for class org.apache.hadoop.fs.FilterFileSystem
 
FilterFileSystem(FileSystem) - Constructor for class org.apache.hadoop.fs.FilterFileSystem
 
filteringRemoteIterator(RemoteIterator, FunctionRaisingIOE) - Static method in class org.apache.hadoop.util.functional.RemoteIterators
从RemoteIterator和过滤函数创建一个RemoteIterator,该函数对每个需要传递的元素返回true。
FilterOutputFormat<K,V> - Class in org.apache.hadoop.mapred.lib
FilterOutputFormat是一个封装OutputFormat的便捷类。
FilterOutputFormat() - Constructor for class org.apache.hadoop.mapred.lib.FilterOutputFormat
 
FilterOutputFormat(OutputFormat) - Constructor for class org.apache.hadoop.mapred.lib.FilterOutputFormat
基于提供的输出格式创建一个FilterOutputFormat。
FilterOutputFormat<K,V> - Class in org.apache.hadoop.mapreduce.lib.output
FilterOutputFormat是一个封装OutputFormat的便捷类。
FilterOutputFormat() - Constructor for class org.apache.hadoop.mapreduce.lib.output.FilterOutputFormat
 
FilterOutputFormat(OutputFormat) - Constructor for class org.apache.hadoop.mapreduce.lib.output.FilterOutputFormat
基于底层输出格式创建一个FilterOutputFormat。
最终应用状态 - Enum in org.apache.hadoop.yarn.api.records
Enumeration of various final states of an Application.
finalize() - Method in class org.apache.hadoop.fs.azure.NativeAzureFileSystem
 
finalize() - Method in class org.apache.hadoop.fs.s3a.S3A
关闭文件系统;FileContext API没有显式的关闭方法。
find(String) - Method in class org.apache.hadoop.io.Text
 
find(String, int) - Method in class org.apache.hadoop.io.Text
Finds any occurrence of what in the backing buffer, starting as position start.
findContainingJar(Class) - Static method in class org.apache.hadoop.mapred.JobConf
查找包含同名类的jar文件(如果有的话)。
findCounter(String, String) - Method in class org.apache.hadoop.mapred.计数器
 
findCounter(String, int, String) - Method in class org.apache.hadoop.mapred.计数器
Deprecated.
findCounter(String, String) - Method in class org.apache.hadoop.mapred.Counters.Group
 
findCounter(String, boolean) - Method in class org.apache.hadoop.mapred.Counters.Group
 
findCounter(String) - Method in class org.apache.hadoop.mapred.Counters.Group
 
findCounter(String, String) - Method in class org.apache.hadoop.mapreduce.counters.AbstractCounters
查找计数器,必要时创建一个
findCounter(Enum) - Method in class org.apache.hadoop.mapreduce.counters.AbstractCounters
查找给定枚举的计数器。
findCounter(String, String) - Method in interface org.apache.hadoop.mapreduce.counters.CounterGroupBase
在组内查找计数器。
findCounter(String, boolean) - Method in interface org.apache.hadoop.mapreduce.counters.CounterGroupBase
在组内查找计数器
findCounter(String) - Method in interface org.apache.hadoop.mapreduce.counters.CounterGroupBase
在组内查找计数器。
findProvider(List, String) - Static method in class org.apache.hadoop.crypto.key.KeyProvider
查找具有给定键的提供程序。
findSeparator(byte[], int, int, byte) - Static method in class org.apache.hadoop.mapred.KeyValueLineRecordReader
 
findSeparator(byte[], int, int, byte) - Static method in class org.apache.hadoop.mapreduce.lib.input.KeyValueLineRecordReader
 
findTimestampedDirectories() - Method in class org.apache.hadoop.mapreduce.v2.hs.HistoryFileManager
通过扫描文件系统,查找所有带有时间戳组件的历史目录。
finish() - Method in class org.apache.hadoop.io.compress.BlockCompressorStream
 
finish() - Method in class org.apache.hadoop.io.compress.CompressionOutputStream
完成将压缩数据写入输出流,而不关闭底层流。
finish() - Method in interface org.apache.hadoop.io.compress.Compressor
当被调用时,表示压缩应结束,并使用输入缓冲区的当前内容。
finish() - Method in class org.apache.hadoop.io.compress.CompressorStream
 
finish() - Method in class org.apache.hadoop.yarn.applications.distributedshell.ApplicationMaster
 
finishApplicationMaster(FinishApplicationMasterRequest) - Method in interface org.apache.hadoop.yarn.api.ApplicationMasterProtocol
The interface used by an ApplicationMaster to notify the ResourceManager about its completion (success or failed).
FinishApplicationMasterRequest - Class in org.apache.hadoop.yarn.api.protocolrecords
The finalization request sent by the ApplicationMaster to inform the ResourceManager about its completion.
FinishApplicationMasterRequest() - Constructor for class org.apache.hadoop.yarn.api.protocolrecords.FinishApplicationMasterRequest
 
FinishApplicationMasterResponse - Class in org.apache.hadoop.yarn.api.protocolrecords
The response sent by the ResourceManager to a ApplicationMaster on it's completion.
FinishApplicationMasterResponse() - Constructor for class org.apache.hadoop.yarn.api.protocolrecords.FinishApplicationMasterResponse
 
finished() - Method in interface org.apache.hadoop.io.compress.Compressor
如果已到达压缩数据输出流的末尾,则返回true。
finished() - Method in interface org.apache.hadoop.io.compress.Decompressor
Returns true if the end of the decompressed data output stream has been reached.
finished() - Method in class org.apache.hadoop.util.OperationDuration
使用当前系统时间更新完成时间。
FIPS_ENDPOINT - Static variable in class org.apache.hadoop.fs.s3a.常量
该端点是否为FIPS端点? 可作为路径功能进行查询。
firstKey() - Method in class org.apache.hadoop.io.SortedMapWritable
 
fix(FileSystem, Path, Class, Class, boolean, Configuration) - Static method in class org.apache.hadoop.io.MapFile
该方法尝试通过重新创建索引来修复损坏的MapFile。
FIXED_RECORD_LENGTH - Static variable in class org.apache.hadoop.mapred.FixedLengthInputFormat
 
FIXED_RECORD_LENGTH - Static variable in class org.apache.hadoop.mapreduce.lib.input.FixedLengthInputFormat
 
FixedBlockMultiReplicaResolver - Class in org.apache.hadoop.hdfs.server.namenode
解析器将所有文件映射为可配置的统一块大小和副本数。
FixedBlockMultiReplicaResolver() - Constructor for class org.apache.hadoop.hdfs.server.namenode.FixedBlockMultiReplicaResolver
 
FixedBlockResolver - Class in org.apache.hadoop.hdfs.server.namenode
将所有文件映射到可配置的统一块大小的解析器。
FixedBlockResolver() - Constructor for class org.apache.hadoop.hdfs.server.namenode.FixedBlockResolver
 
FixedLengthInputFormat - Class in org.apache.hadoop.mapred
FixedLengthInputFormat是一种用于读取包含固定长度记录的输入文件的输入格式。
FixedLengthInputFormat() - Constructor for class org.apache.hadoop.mapred.FixedLengthInputFormat
 
FixedLengthInputFormat - Class in org.apache.hadoop.mapreduce.lib.input
FixedLengthInputFormat是一种用于读取包含固定长度记录的输入文件的输入格式。
FixedLengthInputFormat() - Constructor for class org.apache.hadoop.mapreduce.lib.input.FixedLengthInputFormat
 
fixRelativePart(Path) - Method in class org.apache.hadoop.fs.FileSystem
flexByRestService(String, Map) - Method in class org.apache.hadoop.yarn.service.client.ServiceClient
 
FloatSplitter - Class in org.apache.hadoop.mapreduce.lib.db
在浮点数值上实现DBSplitter。
FloatSplitter() - Constructor for class org.apache.hadoop.mapreduce.lib.db.FloatSplitter
 
FloatWritable - Class in org.apache.hadoop.io
一个用于浮点数的WritableComparable。
FloatWritable() - Constructor for class org.apache.hadoop.io.FloatWritable
 
FloatWritable(float) - Constructor for class org.apache.hadoop.io.FloatWritable
 
FLOW_NAME_DEFAULT_MAX_SIZE - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
默认设置下,流程名称长度在移除UUID(如存在)后不受限制。
FLOW_NAME_INFO_KEY - Static variable in class org.apache.hadoop.yarn.api.records.timelineservice.FlowActivityEntity
 
FLOW_NAME_INFO_KEY - Static variable in class org.apache.hadoop.yarn.api.records.timelineservice.FlowRunEntity
 
FLOW_NAME_MAX_SIZE - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
此设置控制在移除UUID(如果存在)后,ATSv2中生成的流程名称的最大长度。
FLOW_NAME_TAG_PREFIX - Static variable in class org.apache.hadoop.yarn.util.timeline.TimelineUtils
 
FLOW_RUN_COPROCESSOR_JAR_HDFS_LOCATION - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
HDFS上协处理器jar文件位置设置的名称。
FLOW_RUN_END_TIME - Static variable in class org.apache.hadoop.yarn.api.records.timelineservice.FlowRunEntity
 
FLOW_RUN_ID_INFO_KEY - Static variable in class org.apache.hadoop.yarn.api.records.timelineservice.FlowRunEntity
 
FLOW_RUN_ID_TAG_PREFIX - Static variable in class org.apache.hadoop.yarn.util.timeline.TimelineUtils
 
FLOW_VERSION_INFO_KEY - Static variable in class org.apache.hadoop.yarn.api.records.timelineservice.FlowRunEntity
 
FLOW_VERSION_TAG_PREFIX - Static variable in class org.apache.hadoop.yarn.util.timeline.TimelineUtils
 
FlowActivityEntity - Class in org.apache.hadoop.yarn.api.records.timelineservice
表示流程活动记录的实体。
FlowActivityEntity() - Constructor for class org.apache.hadoop.yarn.api.records.timelineservice.FlowActivityEntity
 
FlowActivityEntity(String, long, String, String) - Constructor for class org.apache.hadoop.yarn.api.records.timelineservice.FlowActivityEntity
 
FlowActivityEntity(TimelineEntity) - Constructor for class org.apache.hadoop.yarn.api.records.timelineservice.FlowActivityEntity
 
FlowRunEntity - Class in org.apache.hadoop.yarn.api.records.timelineservice
该实体代表一个流程运行。
FlowRunEntity() - Constructor for class org.apache.hadoop.yarn.api.records.timelineservice.FlowRunEntity
 
FlowRunEntity(TimelineEntity) - Constructor for class org.apache.hadoop.yarn.api.records.timelineservice.FlowRunEntity
 
flush() - Method in class org.apache.hadoop.crypto.key.KeyProvider
确保对密钥的任何更改都被写入持久存储。
flush() - Method in class org.apache.hadoop.io.compress.CompressionOutputStream
 
flush() - Method in interface org.apache.hadoop.metrics2.MetricsSink
刷新所有缓冲的指标数据
flush() - Method in class org.apache.hadoop.metrics2.sink.FileSink
 
flush() - Method in class org.apache.hadoop.metrics2.sink.GraphiteSink
 
flush() - Method in class org.apache.hadoop.metrics2.sink.KafkaSink
 
flush() - Method in class org.apache.hadoop.metrics2.sink.RollingFileSystemSink
 
flush() - Method in class org.apache.hadoop.metrics2.sink.StatsDSink
 
flush() - Method in class org.apache.hadoop.security.alias.CredentialProvider
确保对凭据的任何更改都被写入持久存储。
flush() - Method in class org.apache.hadoop.yarn.ContainerLogAppender
 
flush() - Method in class org.apache.hadoop.yarn.ContainerRollingLogAppender
 
FLUSH_ACTION - Static variable in class org.apache.hadoop.fs.azurebfs.constants.AbfsHttpConstants
 
FORBIDDEN_RELATION - Static variable in class org.apache.hadoop.yarn.api.records.timeline.TimelinePutResponse.TimelinePutError
如果用户被禁止将实体关联到不同域中的另一个实体,则返回此错误代码
forceFlush - Static variable in class org.apache.hadoop.metrics2.sink.RollingFileSystemSink
 
forceKillApplication(KillApplicationRequest) - Method in interface org.apache.hadoop.yarn.api.ApplicationClientProtocol
The interface used by clients to request the ResourceManager to abort submitted application.
forceReloginFromKeytab() - Method in class org.apache.hadoop.security.UserGroupInformation
强制用户从密钥表文件重新登录,无论上次登录时间如何。
forceReloginFromTicketCache() - Method in class org.apache.hadoop.security.UserGroupInformation
强制用户从票据缓存重新登录,忽略上次登录时间。
foreach(RemoteIterator, ConsumerRaisingIOE) - Static method in class org.apache.hadoop.util.functional.RemoteIterators
对RemoteIterator的所有值应用一个操作。
forName(String) - Static method in class org.apache.hadoop.mapred.JobID
从给定字符串构造一个JobId对象
forName(String) - Static method in class org.apache.hadoop.mapred.TaskAttemptID
从给定字符串构造一个TaskAttemptID对象
forName(String) - Static method in class org.apache.hadoop.mapred.TaskID
 
forName(String) - Static method in class org.apache.hadoop.mapreduce.JobID
从给定字符串构造一个JobId对象
forName(String) - Static method in class org.apache.hadoop.mapreduce.TaskAttemptID
从给定字符串构造一个TaskAttemptID对象
forName(String) - Static method in class org.apache.hadoop.mapreduce.TaskID
从给定字符串构造一个TaskID对象。
FORWARD_SLASH - Static variable in class org.apache.hadoop.fs.azurebfs.constants.AbfsHttpConstants
 
FORWARD_SLASH_ENCODE - Static variable in class org.apache.hadoop.fs.azurebfs.constants.AbfsHttpConstants
 
FREE_MEMORY - Static variable in class org.apache.hadoop.mapreduce.lib.output.committer.manifest.files.DiagnosticKeys
 
FREEBSD - Static variable in class org.apache.hadoop.util.Shell
 
fromBlockBytes(byte[]) - Static method in class org.apache.hadoop.hdfs.server.aliasmap.InMemoryAliasMap
 
fromEscapedCompactString(String) - Static method in class org.apache.hadoop.mapred.计数器
Convert a stringified (by Counters.makeEscapedCompactString() counter representation into a counter object.
fromPath(Path) - Static method in class org.apache.hadoop.yarn.api.records.URL
 
fromProvidedStorageLocationBytes(byte[]) - Static method in class org.apache.hadoop.hdfs.server.aliasmap.InMemoryAliasMap
 
fromShort(short) - Method in class org.apache.hadoop.fs.permission.FsPermission
 
fromString(String) - Method in class org.apache.hadoop.io.DefaultStringifier
 
fromString(String) - Method in interface org.apache.hadoop.io.Stringifier
从字符串表示形式恢复对象。
fromString(String) - Static method in class org.apache.hadoop.yarn.api.records.ApplicationAttemptId
 
fromString(String) - Static method in class org.apache.hadoop.yarn.api.records.ApplicationId
 
fromString(String) - Static method in class org.apache.hadoop.yarn.api.records.ContainerId
 
fromString(String) - Static method in class org.apache.hadoop.yarn.api.records.NodeId
 
fromString(String) - Static method in class org.apache.hadoop.yarn.api.records.timeline.TimelineEntityGroupId
 
fromURI(URI) - Static method in class org.apache.hadoop.yarn.api.records.URL
 
fs - Variable in class org.apache.hadoop.fs.FilterFileSystem
 
fs - Variable in class org.apache.hadoop.fs.TrashPolicy
 
FS_APPLICATION_HISTORY_STORE_COMPRESSION_TYPE - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
用于压缩历史数据的T文件压缩类型。
FS_APPLICATION_HISTORY_STORE_URI - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
FileSystemApplicationHistoryStore的URI
FS_AUTOMATIC_CLOSE_DEFAULT - Static variable in class org.apache.hadoop.fs.CommonConfigurationKeysPublic
FS_AUTOMATIC_CLOSE_KEY的默认值
FS_AUTOMATIC_CLOSE_KEY - Static variable in class org.apache.hadoop.fs.CommonConfigurationKeysPublic
 
FS_AZURE_ABFS_ENABLE_CHECKSUM_VALIDATION - Static variable in class org.apache.hadoop.fs.azurebfs.constants.ConfigurationKeys
在传输过程中增加额外的请求内容完整性验证层:"fs.azure.enable.checksum.validation"。
FS_AZURE_ABFS_IO_RATE_LIMIT - Static variable in class org.apache.hadoop.fs.azurebfs.constants.ConfigurationKeys
用于IO操作限流速率的键值,这些操作会尝试自我节流。
FS_AZURE_ABFS_LATENCY_TRACK - Static variable in class org.apache.hadoop.fs.azurebfs.constants.ConfigurationKeys
用于启用跟踪ABFS API延迟并将延迟数据发送到ABFS API服务的关键配置
FS_AZURE_ABFS_RENAME_RESILIENCE - Static variable in class org.apache.hadoop.fs.azurebfs.constants.ConfigurationKeys
为重命名失败增加额外的恢复能力,但会牺牲性能。
FS_AZURE_ACCOUNT_AUTH_TYPE_PROPERTY_NAME - Static variable in class org.apache.hadoop.fs.azurebfs.constants.ConfigurationKeys
认证类型属性的键:"fs.azure.account.auth.type"。
FS_AZURE_ACCOUNT_IS_EXPECT_HEADER_ENABLED - Static variable in class org.apache.hadoop.fs.azurebfs.constants.ConfigurationKeys
启用或禁用期望的百位继续头。
FS_AZURE_ACCOUNT_IS_HNS_ENABLED - Static variable in class org.apache.hadoop.fs.azurebfs.constants.ConfigurationKeys
配置用于指定所配置的账户是否启用了HNS。
FS_AZURE_ACCOUNT_KEY_PROPERTY_NAME - Static variable in class org.apache.hadoop.fs.azurebfs.constants.ConfigurationKeys
 
FS_AZURE_ACCOUNT_KEY_PROPERTY_NAME_REGX - Static variable in class org.apache.hadoop.fs.azurebfs.constants.ConfigurationKeys
 
FS_AZURE_ACCOUNT_LEVEL_THROTTLING_ENABLED - Static variable in class org.apache.hadoop.fs.azurebfs.constants.ConfigurationKeys
 
FS_AZURE_ACCOUNT_OAUTH_CLIENT_ENDPOINT - Static variable in class org.apache.hadoop.fs.azurebfs.constants.ConfigurationKeys
OAuth AAD客户端端点的密钥:"fs.azure.account.oauth2.client.endpoint"。
FS_AZURE_ACCOUNT_OAUTH_CLIENT_ID - Static variable in class org.apache.hadoop.fs.azurebfs.constants.ConfigurationKeys
用于AAD客户端ID的OAuth密钥:"fs.azure.account.oauth2.client.id"。
FS_AZURE_ACCOUNT_OAUTH_CLIENT_SECRET - Static variable in class org.apache.hadoop.fs.azurebfs.constants.ConfigurationKeys
oauth AAD客户端密钥的键名:"fs.azure.account.oauth2.client.secret"。
FS_AZURE_ACCOUNT_OAUTH_MSI_AUTHORITY - Static variable in class org.apache.hadoop.fs.azurebfs.constants.ConfigurationKeys
oauth msi权限的密钥:"fs.azure.account.oauth2.msi.authority"。
FS_AZURE_ACCOUNT_OAUTH_MSI_ENDPOINT - Static variable in class org.apache.hadoop.fs.azurebfs.constants.ConfigurationKeys
OAuth MSI端点的密钥:"fs.azure.account.oauth2.msi.endpoint"。
FS_AZURE_ACCOUNT_OAUTH_MSI_TENANT - Static variable in class org.apache.hadoop.fs.azurebfs.constants.ConfigurationKeys
OAuth MSI租户ID的键值:"fs.azure.account.oauth2.msi.tenant"。
FS_AZURE_ACCOUNT_OAUTH_REFRESH_TOKEN - Static variable in class org.apache.hadoop.fs.azurebfs.constants.ConfigurationKeys
OAuth刷新令牌的键值:"fs.azure.account.oauth2.refresh.token"。
FS_AZURE_ACCOUNT_OAUTH_REFRESH_TOKEN_ENDPOINT - Static variable in class org.apache.hadoop.fs.azurebfs.constants.ConfigurationKeys
用于AAD OAuth刷新令牌端点的键:"fs.azure.account.oauth2.refresh.token.endpoint"。
FS_AZURE_ACCOUNT_OAUTH_TOKEN_FILE - Static variable in class org.apache.hadoop.fs.azurebfs.constants.ConfigurationKeys
用于AAD工作负载身份令牌文件路径的密钥:"fs.azure.account.oauth2.token.file"。
FS_AZURE_ACCOUNT_OAUTH_USER_NAME - Static variable in class org.apache.hadoop.fs.azurebfs.constants.ConfigurationKeys
OAuth用户名的键值:"fs.azure.account.oauth2.user.name"。
FS_AZURE_ACCOUNT_OAUTH_USER_PASSWORD - Static variable in class org.apache.hadoop.fs.azurebfs.constants.ConfigurationKeys
OAuth用户密码的密钥:"fs.azure.account.oauth2.user.password"。
FS_AZURE_ACCOUNT_OPERATION_IDLE_TIMEOUT - Static variable in class org.apache.hadoop.fs.azurebfs.constants.ConfigurationKeys
 
FS_AZURE_ACCOUNT_TOKEN_PROVIDER_TYPE_PROPERTY_NAME - Static variable in class org.apache.hadoop.fs.azurebfs.constants.ConfigurationKeys
OAuth令牌提供者类型的关键字:"fs.azure.account.oauth.provider.type"。
FS_AZURE_ALWAYS_READ_BUFFER_SIZE - Static variable in class org.apache.hadoop.fs.azurebfs.constants.ConfigurationKeys
 
FS_AZURE_ALWAYS_USE_HTTPS - Static variable in class org.apache.hadoop.fs.azurebfs.constants.ConfigurationKeys
 
FS_AZURE_ANALYSIS_PERIOD - Static variable in class org.apache.hadoop.fs.azurebfs.constants.ConfigurationKeys
 
FS_AZURE_APACHE_HTTP_CLIENT_IDLE_CONNECTION_TTL - Static variable in class org.apache.hadoop.fs.azurebfs.constants.ConfigurationKeys
ApacheHttpClient连接的最大空闲时间:"fs.azure.apache.http.client.idle.connection.ttl"
FS_AZURE_APACHE_HTTP_CLIENT_MAX_CACHE_CONNECTION_SIZE - Static variable in class org.apache.hadoop.fs.azurebfs.constants.ConfigurationKeys
文件系统级别的最大ApacheHttpClient连接缓存大小:"fs.azure.apache.http.client.max.cache.connection.size"
FS_AZURE_APACHE_HTTP_CLIENT_MAX_IO_EXCEPTION_RETRIES - Static variable in class org.apache.hadoop.fs.azurebfs.constants.ConfigurationKeys
ApacheHttpClient上单个服务器调用的最大IOExceptions重试次数。
FS_AZURE_APPEND_BLOB_KEY - Static variable in class org.apache.hadoop.fs.azurebfs.constants.ConfigurationKeys
提供一个配置,用于指定基于Appendblob创建文件时的逗号分隔路径前缀,默认为空。
FS_AZURE_ATOMIC_RENAME_KEY - Static variable in class org.apache.hadoop.fs.azurebfs.constants.ConfigurationKeys
 
FS_AZURE_BLOCK_UPLOAD_ACTIVE_BLOCKS - Static variable in class org.apache.hadoop.fs.azurebfs.constants.ConfigurationKeys
单个输出流可拥有的最大块数(正在上传或排队等待中央FileSystem实例的操作队列池)。
FS_AZURE_BLOCK_UPLOAD_BUFFER_DIR - Static variable in class org.apache.hadoop.fs.azurebfs.constants.ConfigurationKeys
用于上传AbfsOutputStream数据块的缓冲目录路径。
FS_AZURE_BUFFERED_PREAD_DISABLE - Static variable in class org.apache.hadoop.fs.azurebfs.constants.ConfigurationKeys
可选配置,用于启用无锁预读取功能,该功能将绕过AbfsInputStream中的缓冲区。
FS_AZURE_CLIENT_CORRELATIONID - Static variable in class org.apache.hadoop.fs.azurebfs.constants.ConfigurationKeys
客户端通过配置提供的关联ID,该ID将被添加到x-ms-client-request-Id头部。
FS_AZURE_CLUSTER_NAME - Static variable in class org.apache.hadoop.fs.azurebfs.constants.ConfigurationKeys
 
FS_AZURE_CLUSTER_TYPE - Static variable in class org.apache.hadoop.fs.azurebfs.constants.ConfigurationKeys
 
FS_AZURE_DELEGATION_TOKEN_PROVIDER_TYPE - Static variable in class org.apache.hadoop.fs.azurebfs.constants.ConfigurationKeys
 
FS_AZURE_DISABLE_OUTPUTSTREAM_FLUSH - Static variable in class org.apache.hadoop.fs.azurebfs.constants.ConfigurationKeys
提供一个配置控制选项,用于在AbfsOutputStream中禁用或启用OutputStream Flush API操作。
FS_AZURE_ENABLE_ABFS_LIST_ITERATOR - Static variable in class org.apache.hadoop.fs.azurebfs.constants.ConfigurationKeys
将此设置为true将使驱动程序使用其自己的RemoteIterator实现
FS_AZURE_ENABLE_AUTOTHROTTLING - Static variable in class org.apache.hadoop.fs.azurebfs.constants.ConfigurationKeys
 
FS_AZURE_ENABLE_CHECK_ACCESS - Static variable in class org.apache.hadoop.fs.azurebfs.constants.ConfigurationKeys
提供一个配置选项来启用/禁用checkAccess API。
FS_AZURE_ENABLE_CONDITIONAL_CREATE_OVERWRITE - Static variable in class org.apache.hadoop.fs.azurebfs.constants.ConfigurationKeys
此配置确保在创建覆盖时,仅当现有文件的eTag匹配时才会覆盖现有文件。
FS_AZURE_ENABLE_DELEGATION_TOKEN - Static variable in class org.apache.hadoop.fs.azurebfs.constants.ConfigurationKeys
 
FS_AZURE_ENABLE_FLUSH - Static variable in class org.apache.hadoop.fs.azurebfs.constants.ConfigurationKeys
提供一个配置控制选项,用于启用或禁用ABFS刷新操作 - HFlush和HSync。
FS_AZURE_ENABLE_MKDIR_OVERWRITE - Static variable in class org.apache.hadoop.fs.azurebfs.constants.ConfigurationKeys
 
FS_AZURE_ENABLE_PAGINATED_DELETE - Static variable in class org.apache.hadoop.fs.azurebfs.constants.ConfigurationKeys
指定在删除路径中是否预期会有分页行为。
FS_AZURE_ENABLE_READAHEAD - Static variable in class org.apache.hadoop.fs.azurebfs.constants.ConfigurationKeys
在AbfsInputStream中启用或禁用预读缓冲区。
FS_AZURE_ENCRYPTION_CONTEXT_PROVIDER_TYPE - Static variable in class org.apache.hadoop.fs.azurebfs.constants.ConfigurationKeys
自定义EncryptionContextProvider类型
FS_AZURE_ENCRYPTION_ENCODED_CLIENT_PROVIDED_KEY - Static variable in class org.apache.hadoop.fs.azurebfs.constants.ConfigurationKeys
服务器端加密密钥,采用Base64格式编码 "fs.azure.encryption.encoded.client-provided-key"。
FS_AZURE_ENCRYPTION_ENCODED_CLIENT_PROVIDED_KEY_SHA - Static variable in class org.apache.hadoop.fs.azurebfs.constants.ConfigurationKeys
Base64格式编码的加密密钥的SHA256哈希值
FS_AZURE_FILE_OWNER_DOMAINNAME - Static variable in class org.apache.hadoop.fs.azurebfs.constants.ConfigurationKeys
如果指定了域名且"fs.azure.identity.transformer.enable.short.name"为true,则UPN中的{alias}部分可以作为setOwner和setAcl等API的输入,它将被转换为UPN,方法是在其后追加@符号和此配置属性指定的域名。
FS_AZURE_FILE_OWNER_ENABLE_SHORTNAME - Static variable in class org.apache.hadoop.fs.azurebfs.constants.ConfigurationKeys
用户主体名称(UPN)的格式为“{别名}@{域名}”。
FS_AZURE_IDENTITY_TRANSFORM_CLASS - Static variable in class org.apache.hadoop.fs.azurebfs.constants.ConfigurationKeys
启用自定义身份转换的密钥。
FS_AZURE_INFINITE_LEASE_KEY - Static variable in class org.apache.hadoop.fs.azurebfs.constants.ConfigurationKeys
提供一个配置,用于指定支持无限租约的逗号分隔路径前缀。
FS_AZURE_LEASE_THREADS - Static variable in class org.apache.hadoop.fs.azurebfs.constants.ConfigurationKeys
为无限租约目录的租约操作提供多个线程使用。
FS_AZURE_LOCAL_GROUP_SG_MAPPING_FILE_PATH - Static variable in class org.apache.hadoop.fs.azurebfs.constants.ConfigurationKeys
本地组到服务组文件位置的关键路径。
FS_AZURE_LOCAL_USER_SP_MAPPING_FILE_PATH - Static variable in class org.apache.hadoop.fs.azurebfs.constants.ConfigurationKeys
本地用户到服务主体文件位置的关键路径。
FS_AZURE_NETWORKING_LIBRARY - Static variable in class org.apache.hadoop.fs.azurebfs.constants.ConfigurationKeys
定义用于服务器IO调用的网络库:"fs.azure.networking.library"
FS_AZURE_OVERRIDE_OWNER_SP - Static variable in class org.apache.hadoop.fs.azurebfs.constants.ConfigurationKeys
一个Azure Active Directory对象ID (oid),用于替代“fs.azure.identity.transformer.service.principal.substitution.list”指定列表中包含的名称。
FS_AZURE_OVERRIDE_OWNER_SP_LIST - Static variable in class org.apache.hadoop.fs.azurebfs.constants.ConfigurationKeys
一个以逗号分隔的名称列表,这些名称将被“fs.default.identity.transformer.service.principal.id”指定的服务主体ID替换。
FS_AZURE_READ_AHEAD_BLOCK_SIZE - Static variable in class org.apache.hadoop.fs.azurebfs.constants.ConfigurationKeys
 
FS_AZURE_READ_AHEAD_QUEUE_DEPTH - Static variable in class org.apache.hadoop.fs.azurebfs.constants.ConfigurationKeys
 
FS_AZURE_SAS_FIXED_TOKEN - Static variable in class org.apache.hadoop.fs.azurebfs.constants.ConfigurationKeys
固定SAS令牌的键值:"fs.azure.sas.fixed.token"。
FS_AZURE_SAS_TOKEN_PROVIDER_TYPE - Static variable in class org.apache.hadoop.fs.azurebfs.constants.ConfigurationKeys
SAS令牌提供者的键值:"fs.azure.sas.token.provider.type"。
FS_AZURE_SAS_TOKEN_RENEW_PERIOD_FOR_STREAMS - Static variable in class org.apache.hadoop.fs.azurebfs.constants.ConfigurationKeys
出于性能考虑,AbfsInputStream/AbfsOutputStream会重复使用SAS令牌,直到其过期时间在以下秒数范围内。
FS_AZURE_SECURE_MODE - Static variable in class org.apache.hadoop.fs.azurebfs.constants.ConfigurationKeys
 
FS_AZURE_SKIP_SUPER_USER_REPLACEMENT - Static variable in class org.apache.hadoop.fs.azurebfs.constants.ConfigurationKeys
默认情况下,此选项设置为false,因此当"$superuser"作为文件或目录的所有者或所属组出现时,会被替换为当前用户。
FS_AZURE_SSL_CHANNEL_MODE_KEY - Static variable in class org.apache.hadoop.fs.azurebfs.constants.ConfigurationKeys
 
FS_AZURE_TRACINGHEADER_FORMAT - Static variable in class org.apache.hadoop.fs.azurebfs.constants.ConfigurationKeys
 
FS_AZURE_USE_UPN - Static variable in class org.apache.hadoop.fs.azurebfs.constants.ConfigurationKeys
 
FS_AZURE_USER_AGENT_PREFIX_KEY - Static variable in class org.apache.hadoop.fs.azurebfs.constants.ConfigurationKeys
 
FS_BASED_RM_CONF_STORE - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
将相关配置文件存储在文件系统中
FS_CLIENT_RESOLVE_REMOTE_SYMLINKS_DEFAULT - Static variable in class org.apache.hadoop.fs.CommonConfigurationKeysPublic
FS_CLIENT_RESOLVE_REMOTE_SYMLINKS_KEY的默认值
FS_CLIENT_RESOLVE_REMOTE_SYMLINKS_KEY - Static variable in class org.apache.hadoop.fs.CommonConfigurationKeysPublic
 
FS_CLIENT_TOPOLOGY_RESOLUTION_ENABLED - Static variable in class org.apache.hadoop.fs.CommonConfigurationKeysPublic
 
FS_CLIENT_TOPOLOGY_RESOLUTION_ENABLED_DEFAULT - Static variable in class org.apache.hadoop.fs.CommonConfigurationKeysPublic
FS_CLIENT_TOPOLOGY_RESOLUTION_ENABLED的默认值。
FS_CONFIGURATION_STORE - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
FS_CREATION_PARALLEL_COUNT - Static variable in class org.apache.hadoop.fs.CommonConfigurationKeysPublic
可以并行创建的文件系统实例数量。
FS_CREATION_PARALLEL_COUNT_DEFAULT - Static variable in class org.apache.hadoop.fs.CommonConfigurationKeysPublic
FS_DEFAULT_NAME_DEFAULT - Static variable in class org.apache.hadoop.fs.CommonConfigurationKeysPublic
FS_DEFAULT_NAME_KEY 的默认值
FS_DEFAULT_NAME_KEY - Static variable in class org.apache.hadoop.fs.CommonConfigurationKeysPublic
 
FS_DEFAULT_NAME_KEY - Static variable in class org.apache.hadoop.fs.FileSystem
 
FS_DF_INTERVAL_DEFAULT - Static variable in class org.apache.hadoop.fs.CommonConfigurationKeysPublic
FS_DF_INTERVAL_KEY的默认值
FS_DF_INTERVAL_KEY - Static variable in class org.apache.hadoop.fs.CommonConfigurationKeysPublic
 
FS_DU_INTERVAL_DEFAULT - Static variable in class org.apache.hadoop.fs.CommonConfigurationKeysPublic
FS_DU_INTERVAL_KEY的默认值
FS_DU_INTERVAL_KEY - Static variable in class org.apache.hadoop.fs.CommonConfigurationKeysPublic
 
FS_FILE_IMPL_KEY - Static variable in class org.apache.hadoop.fs.CommonConfigurationKeysPublic
 
FS_FTP_DATA_CONNECTION_MODE - Static variable in class org.apache.hadoop.fs.ftp.FTPFileSystem
 
FS_FTP_HOST - Static variable in class org.apache.hadoop.fs.ftp.FTPFileSystem
 
FS_FTP_HOST_KEY - Static variable in class org.apache.hadoop.fs.CommonConfigurationKeysPublic
 
FS_FTP_HOST_PORT - Static variable in class org.apache.hadoop.fs.ftp.FTPFileSystem
 
FS_FTP_HOST_PORT_KEY - Static variable in class org.apache.hadoop.fs.CommonConfigurationKeysPublic
 
FS_FTP_PASSWORD_PREFIX - Static variable in class org.apache.hadoop.fs.ftp.FTPFileSystem
 
FS_FTP_TIMEOUT - Static variable in class org.apache.hadoop.fs.ftp.FTPFileSystem
 
FS_FTP_TRANSFER_MODE - Static variable in class org.apache.hadoop.fs.ftp.FTPFileSystem
 
FS_FTP_USER_PREFIX - Static variable in class org.apache.hadoop.fs.ftp.FTPFileSystem
 
FS_GETSPACEUSED_CLASSNAME - Static variable in class org.apache.hadoop.fs.CommonConfigurationKeysPublic
 
FS_GETSPACEUSED_JITTER_DEFAULT - Static variable in class org.apache.hadoop.fs.CommonConfigurationKeysPublic
FS_GETSPACEUSED_JITTER_KEY的默认值
FS_GETSPACEUSED_JITTER_KEY - Static variable in class org.apache.hadoop.fs.CommonConfigurationKeysPublic
 
FS_IMAGE_DIR_ARG - Static variable in class org.apache.hadoop.tools.dynamometer.Client
 
FS_LOCAL_BLOCK_SIZE_DEFAULT - Static variable in class org.apache.hadoop.fs.CommonConfigurationKeysPublic
未在任何地方使用,看起来是FS_LOCAL_BLOCK_SIZE的默认值
FS_NODE_ATTRIBUTE_STORE_IMPL_CLASS - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
节点属性存储实现类。
FS_NODE_ATTRIBUTE_STORE_ROOT_DIR - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
文件系统节点属性存储目录。
FS_NODE_LABELS_STORE_IMPL_CLASS - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
节点标签存储实现类
FS_NODE_LABELS_STORE_ROOT_DIR - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
NodeLabelManager的URI
FS_OPTION_OPENFILE - Static variable in class org.apache.hadoop.fs.Options.OpenFileOptions
所有openFile选项的前缀:"fs.option.openfile."。
FS_OPTION_OPENFILE_BUFFER_SIZE - Static variable in class org.apache.hadoop.fs.Options.OpenFileOptions
用于缓冲区大小的OpenFile选项:"fs.option.openfile.buffer.size"。
FS_OPTION_OPENFILE_FOOTER_CACHE - Static variable in class org.apache.hadoop.fs.Options.OpenFileOptions
OpenFile页脚缓存标志:"fs.option.openfile.footer.cache"。
FS_OPTION_OPENFILE_LENGTH - Static variable in class org.apache.hadoop.fs.Options.OpenFileOptions
文件长度的OpenFile选项:"fs.option.openfile.length"。
FS_OPTION_OPENFILE_READ_POLICIES - Static variable in class org.apache.hadoop.fs.Options.OpenFileOptions
当前所有读取策略的集合。
FS_OPTION_OPENFILE_READ_POLICY - Static variable in class org.apache.hadoop.fs.Options.OpenFileOptions
读取策略的OpenFile选项:"fs.option.openfile.read.policy"。
FS_OPTION_OPENFILE_READ_POLICY_ADAPTIVE - Static variable in class org.apache.hadoop.fs.Options.OpenFileOptions
自适应IO的读取策略:"adaptive"。
FS_OPTION_OPENFILE_READ_POLICY_AVRO - Static variable in class org.apache.hadoop.fs.Options.OpenFileOptions
我们是一个avro文件:"avro"。
FS_OPTION_OPENFILE_READ_POLICY_COLUMNAR - Static variable in class org.apache.hadoop.fs.Options.OpenFileOptions
这是一种列式文件格式。
FS_OPTION_OPENFILE_READ_POLICY_CSV - Static variable in class org.apache.hadoop.fs.Options.OpenFileOptions
这是一个CSV文件,包含纯文本或UTF-8编码文本,需要按顺序读取。
FS_OPTION_OPENFILE_READ_POLICY_DEFAULT - Static variable in class org.apache.hadoop.fs.Options.OpenFileOptions
读取策略"default" - 无论默认实现执行什么操作。
FS_OPTION_OPENFILE_READ_POLICY_HBASE - Static variable in class org.apache.hadoop.fs.Options.OpenFileOptions
这是Apache HBase的表格文件。
FS_OPTION_OPENFILE_READ_POLICY_JSON - Static variable in class org.apache.hadoop.fs.Options.OpenFileOptions
这是一个UTF-8文本的JSON文件,包含一个JSON行文件,其中每行都是一个JSON实体。
FS_OPTION_OPENFILE_READ_POLICY_ORC - Static variable in class org.apache.hadoop.fs.Options.OpenFileOptions
这是一个ORC文件。
FS_OPTION_OPENFILE_READ_POLICY_PARQUET - Static variable in class org.apache.hadoop.fs.Options.OpenFileOptions
这是一个带有v1/v3页脚的parquet文件:"parquet"。
FS_OPTION_OPENFILE_READ_POLICY_RANDOM - Static variable in class org.apache.hadoop.fs.Options.OpenFileOptions
随机IO的读取策略:"random"。
FS_OPTION_OPENFILE_READ_POLICY_SEQUENTIAL - Static variable in class org.apache.hadoop.fs.Options.OpenFileOptions
顺序IO的读取策略:"sequential"。
FS_OPTION_OPENFILE_READ_POLICY_VECTOR - Static variable in class org.apache.hadoop.fs.Options.OpenFileOptions
要使用的向量化IO API: "vector"。
FS_OPTION_OPENFILE_READ_POLICY_WHOLE_FILE - Static variable in class org.apache.hadoop.fs.Options.OpenFileOptions
需要完整读取的文件,端到端:"whole-file"。
FS_OPTION_OPENFILE_SPLIT_END - Static variable in class org.apache.hadoop.fs.Options.OpenFileOptions
用于分割结束的OpenFile选项:"fs.option.openfile.split.end"。
FS_OPTION_OPENFILE_SPLIT_START - Static variable in class org.apache.hadoop.fs.Options.OpenFileOptions
用于分割起始的OpenFile选项:"fs.option.openfile.split.start"。
FS_OPTION_OPENFILE_STANDARD_OPTIONS - Static variable in class org.apache.hadoop.fs.Options.OpenFileOptions
一组标准选项集,openFile实现必须识别这些选项,即使它们会忽略实际值。
FS_PROTECTED_DIRECTORIES - Static variable in class org.apache.hadoop.fs.CommonConfigurationKeysPublic
除非为空,否则即使是管理员也无法删除的目录。
FS_RM_STATE_STORE_NUM_RETRIES - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
FS_RM_STATE_STORE_RETRY_INTERVAL_MS - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
FS_RM_STATE_STORE_URI - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
FileSystemRMStateStore的URI
FS_S3A - Static variable in class org.apache.hadoop.fs.s3a.常量
 
FS_S3A_BLOCK_SIZE - Static variable in class org.apache.hadoop.fs.s3a.常量
 
FS_S3A_BUCKET_PREFIX - Static variable in class org.apache.hadoop.fs.s3a.常量
S3A存储桶特定属性的前缀:"fs.s3a.bucket."。
FS_S3A_COMMITTER_ABORT_PENDING_UPLOADS - Static variable in class org.apache.hadoop.fs.s3a.commit.CommitConstants
提交者是否应中止所有待处理的上传到目标目录的操作?
FS_S3A_COMMITTER_GENERATE_UUID - Static variable in class org.apache.hadoop.fs.s3a.commit.CommitConstants
在作业设置中生成UUID,而不是回退到YARN应用程序尝试ID。
FS_S3A_COMMITTER_MAGIC_TRACK_COMMITS_IN_MEMORY_ENABLED - Static variable in class org.apache.hadoop.fs.s3a.commit.CommitConstants
Magic committer是否应该在内存中跟踪所有待处理的提交?
FS_S3A_COMMITTER_MAGIC_TRACK_COMMITS_IN_MEMORY_ENABLED_DEFAULT - Static variable in class org.apache.hadoop.fs.s3a.commit.CommitConstants
FS_S3A_COMMITTER_NAME - Static variable in class org.apache.hadoop.fs.s3a.commit.CommitConstants
用于识别S3A提交器的选项: "fs.s3a.committer.name"。
FS_S3A_COMMITTER_REQUIRE_UUID - Static variable in class org.apache.hadoop.fs.s3a.commit.CommitConstants
要求传递spark UUID:"fs.s3a.committer.require.uuid"。
FS_S3A_COMMITTER_STAGING_ABORT_PENDING_UPLOADS - Static variable in class org.apache.hadoop.fs.s3a.commit.CommitConstants
Deprecated.
FS_S3A_COMMITTER_STAGING_CONFLICT_MODE - Static variable in class org.apache.hadoop.fs.s3a.commit.CommitConstants
暂存提交器冲突解决策略:"fs.s3a.committer.staging.conflict-mode"。
FS_S3A_COMMITTER_STAGING_TMP_PATH - Static variable in class org.apache.hadoop.fs.s3a.commit.CommitConstants
集群文件系统中临时数据的路径:"fs.s3a.committer.staging.tmp.path"。
FS_S3A_COMMITTER_STAGING_UNIQUE_FILENAMES - Static variable in class org.apache.hadoop.fs.s3a.commit.CommitConstants
最终文件通过作业尝试信息生成唯一名称的选项,如果没有可用的作业尝试信息,则回退到一个新的UUID。
FS_S3A_COMMITTER_THREADS - Static variable in class org.apache.hadoop.fs.s3a.commit.CommitConstants
文件并行操作(上传、提交、中止、删除等)的提交器线程数:"fs.s3a.committer.threads"。
FS_S3A_CREATE_HEADER - Static variable in class org.apache.hadoop.fs.s3a.常量
创建对象时添加标头的前缀。
FS_S3A_CREATE_PERFORMANCE - Static variable in class org.apache.hadoop.fs.s3a.常量
创建性能的标志。
FS_S3A_CREATE_PERFORMANCE_DEFAULT - Static variable in class org.apache.hadoop.fs.s3a.常量
S3A文件系统中创建性能的默认值。
FS_S3A_CREATE_PERFORMANCE_ENABLED - Static variable in class org.apache.hadoop.fs.s3a.常量
Capability to indicate that the FS has been instantiated with Constants.FS_S3A_CREATE_PERFORMANCE set to true.
FS_S3A_PERFORMANCE_FLAGS - Static variable in class org.apache.hadoop.fs.s3a.常量
逗号分隔的性能标志列表。
FS_S3A_PREFIX - Static variable in class org.apache.hadoop.fs.s3a.常量
所有S3A属性的前缀:"fs.s3a."。
FS_S3A_SELECT - Static variable in class org.apache.hadoop.fs.s3a.select.SelectConstants
Deprecated.
 
FS_S3A_SELECT_ENABLED - Static variable in class org.apache.hadoop.fs.s3a.select.SelectConstants
Deprecated.
标志:是否启用S3选择功能? 值:"fs.s3a.select.enabled"。
FS_S3A_SELECT_INPUT_CSV - Static variable in class org.apache.hadoop.fs.s3a.select.SelectConstants
Deprecated.
所有CSV输入选项的前缀。
FS_S3A_SELECT_OUTPUT_CSV - Static variable in class org.apache.hadoop.fs.s3a.select.SelectConstants
Deprecated.
所有CSV输出选项的前缀。
FS_STORE_FILE_REPLICATION - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
FS存储文件副本。
FS_TRASH_CHECKPOINT_INTERVAL_DEFAULT - Static variable in class org.apache.hadoop.fs.CommonConfigurationKeysPublic
FS_TRASH_CHECKPOINT_INTERVAL_KEY的默认值
FS_TRASH_CHECKPOINT_INTERVAL_KEY - Static variable in class org.apache.hadoop.fs.CommonConfigurationKeysPublic
 
FS_TRASH_CLEAN_TRASHROOT_ENABLE_DEFAULT - Static variable in class org.apache.hadoop.fs.CommonConfigurationKeysPublic
FS_TRASH_CLEAN_TRASHROOT_ENABLE_KEY的默认值。
FS_TRASH_CLEAN_TRASHROOT_ENABLE_KEY - Static variable in class org.apache.hadoop.fs.CommonConfigurationKeysPublic
 
FS_TRASH_INTERVAL_DEFAULT - Static variable in class org.apache.hadoop.fs.CommonConfigurationKeysPublic
FS_TRASH_INTERVAL_KEY的默认值
FS_TRASH_INTERVAL_KEY - Static variable in class org.apache.hadoop.fs.CommonConfigurationKeysPublic
 
FS_VIEWFS_OVERLOAD_SCHEME_TARGET_FS_IMPL_PATTERN - Static variable in interface org.apache.hadoop.fs.FsConstants
 
FsAction - Enum in org.apache.hadoop.fs.permission
文件系统操作,例如
FSBuilder<S,B extends FSBuilder<S,B>> - Interface in org.apache.hadoop.fs
这是各种FileSystem FileContext Builder接口可以扩展的基础接口,底层实现将基于此接口进行。
FsConstants - Interface in org.apache.hadoop.fs
与文件系统相关的常量。
FsCreateModes - Class in org.apache.hadoop.fs.permission
一个同时存储掩码和非掩码创建模式的类,可直接替代掩码权限。
FSDataInputStream - Class in org.apache.hadoop.fs
Utility that wraps a FSInputStream in a DataInputStream and buffers input through a BufferedInputStream.
FSDataInputStream(InputStream) - Constructor for class org.apache.hadoop.fs.FSDataInputStream
 
FSDataOutputStream - Class in org.apache.hadoop.fs
Utility that wraps a OutputStream in a DataOutputStream.
FSDataOutputStream(OutputStream, FileSystem.Statistics) - Constructor for class org.apache.hadoop.fs.FSDataOutputStream
 
FSDataOutputStream(OutputStream, FileSystem.Statistics, long) - Constructor for class org.apache.hadoop.fs.FSDataOutputStream
 
FSDataOutputStreamBuilder<S extends FSDataOutputStream,B extends FSDataOutputStreamBuilder<S,B>> - Class in org.apache.hadoop.fs
Builder for FSDataOutputStream and its subclasses.
FSDataOutputStreamBuilder(FileSystem, Path) - Constructor for class org.apache.hadoop.fs.FSDataOutputStreamBuilder
构造函数。
FSError - Error in org.apache.hadoop.fs
抛出此异常表示遇到意外的文件系统错误,通常反映本地文件系统中的磁盘错误。
fsGetter() - Method in class org.apache.hadoop.fs.viewfs.ViewFileSystem
获取文件系统创建器实例。
FSInputStream - Class in org.apache.hadoop.fs
FSInputStream是一个通用的旧式InputStream,具备少量类似RAF风格的寻址能力。
FSInputStream() - Constructor for class org.apache.hadoop.fs.FSInputStream
 
FSLimitException - Exception in org.apache.hadoop.hdfs.protocol
 
FSLimitException() - Constructor for exception org.apache.hadoop.hdfs.protocol.FSLimitException
 
FSLimitException(String) - Constructor for exception org.apache.hadoop.hdfs.protocol.FSLimitException
 
FSLimitException(long, long) - Constructor for exception org.apache.hadoop.hdfs.protocol.FSLimitException
 
FsPermission - Class in org.apache.hadoop.fs.permission
一个用于文件/目录权限的类。
FsPermission(FsAction, FsAction, FsAction) - Constructor for class org.apache.hadoop.fs.permission.FsPermission
Construct by the given FsAction.
FsPermission(FsAction, FsAction, FsAction, boolean) - Constructor for class org.apache.hadoop.fs.permission.FsPermission
 
FsPermission(short) - Constructor for class org.apache.hadoop.fs.permission.FsPermission
根据给定模式构建。
FsPermission(int) - Constructor for class org.apache.hadoop.fs.permission.FsPermission
根据给定模式构建。
FsPermission(FsPermission) - Constructor for class org.apache.hadoop.fs.permission.FsPermission
复制构造函数
FsPermission(String) - Constructor for class org.apache.hadoop.fs.permission.FsPermission
根据给定的模式构建,可以是八进制或符号格式。
FsServerDefaults - Class in org.apache.hadoop.fs
向客户端提供服务器默认配置值。
FsServerDefaults() - Constructor for class org.apache.hadoop.fs.FsServerDefaults
 
FsServerDefaults(long, int, int, short, int, boolean, long, DataChecksum.Type) - Constructor for class org.apache.hadoop.fs.FsServerDefaults
 
FsServerDefaults(long, int, int, short, int, boolean, long, DataChecksum.Type, String) - Constructor for class org.apache.hadoop.fs.FsServerDefaults
 
FsServerDefaults(long, int, int, short, int, boolean, long, DataChecksum.Type, String, byte) - Constructor for class org.apache.hadoop.fs.FsServerDefaults
 
FsServerDefaults(long, int, int, short, int, boolean, long, DataChecksum.Type, String, byte, boolean) - Constructor for class org.apache.hadoop.fs.FsServerDefaults
 
FsStatus - Class in org.apache.hadoop.fs
This class is used to represent the capacity, free and used space on a FileSystem.
FsStatus(long, long, long) - Constructor for class org.apache.hadoop.fs.FsStatus
使用指定的统计信息构造一个FsStatus对象。
fsSupportsChmod - Variable in class org.apache.hadoop.yarn.logaggregation.filecontroller.LogAggregationFileController
 
FSTreeWalk - Class in org.apache.hadoop.hdfs.server.namenode
遍历外部文件系统。
FSTreeWalk(Path, Configuration) - Constructor for class org.apache.hadoop.hdfs.server.namenode.FSTreeWalk
 
FsUGIResolver - Class in org.apache.hadoop.hdfs.server.namenode
动态地为外部文件系统中出现的用户/群组分配ID。
fsync(File) - Static method in class org.apache.hadoop.io.IOUtils
确保对给定文件的任何写入操作都能写入包含该文件的存储设备。
fsync(FileChannel, boolean) - Static method in class org.apache.hadoop.io.IOUtils
确保对给定文件的任何写入操作都能写入包含该文件的存储设备。
FTP_SCHEME - Static variable in interface org.apache.hadoop.fs.FsConstants
 
FTPException - Exception in org.apache.hadoop.fs.ftp
A class to wrap a Throwable into a Runtime Exception.
FTPException(String) - Constructor for exception org.apache.hadoop.fs.ftp.FTPException
 
FTPException(Throwable) - Constructor for exception org.apache.hadoop.fs.ftp.FTPException
 
FTPException(String, Throwable) - Constructor for exception org.apache.hadoop.fs.ftp.FTPException
 
FTPFileSystem - Class in org.apache.hadoop.fs.ftp
A FileSystem backed by an FTP client provided by Apache Commons Net.
FTPFileSystem() - Constructor for class org.apache.hadoop.fs.ftp.FTPFileSystem
 
FULL_TOKEN_KIND - Static variable in class org.apache.hadoop.fs.s3a.auth.delegation.DelegationConstants
Kind of the full token; value is DelegationConstants.FULL_TOKEN_NAME.
FULL_TOKEN_NAME - Static variable in class org.apache.hadoop.fs.s3a.auth.delegation.DelegationConstants
完整令牌名称:"S3ADelegationToken/Full"。
fullyDelete(File) - Static method in class org.apache.hadoop.fs.FileUtil
删除目录及其所有内容。
fullyDelete(File, boolean) - Static method in class org.apache.hadoop.fs.FileUtil
删除目录及其所有内容。
fullyDelete(FileSystem, Path) - Static method in class org.apache.hadoop.fs.FileUtil
fullyDeleteContents(File) - Static method in class org.apache.hadoop.fs.FileUtil
删除目录中的内容,但不删除目录本身。
fullyDeleteContents(File, boolean) - Static method in class org.apache.hadoop.fs.FileUtil
删除目录中的内容,但不删除目录本身。
fullyDeleteOnExit(File) - Static method in class org.apache.hadoop.fs.FileUtil
递归注册所有文件以便在退出时删除。
FutureDataInputStreamBuilder - Interface in org.apache.hadoop.fs
用于输入流及其子类的构建器,其返回值实际上是一个可完成的Future:这可以实现更好的异步操作。
FutureDataInputStreamBuilderImpl - Class in org.apache.hadoop.fs.impl
用于输入流及其子类的构建器,其返回值实际上是一个可完成的Future:这可以实现更好的异步操作。
FutureDataInputStreamBuilderImpl(FileContext, Path) - Constructor for class org.apache.hadoop.fs.impl.FutureDataInputStreamBuilderImpl
Construct from a FileContext.
FutureDataInputStreamBuilderImpl(FileSystem, Path) - Constructor for class org.apache.hadoop.fs.impl.FutureDataInputStreamBuilderImpl
构造函数。
FutureDataInputStreamBuilderImpl(FileSystem, PathHandle) - Constructor for class org.apache.hadoop.fs.impl.FutureDataInputStreamBuilderImpl
带有PathHandle的构造函数。
FutureIO - Class in org.apache.hadoop.util.functional
未来IO辅助方法。

G

gauge(MetricsInfo, int) - Method in interface org.apache.hadoop.metrics2.MetricsVisitor
整数值量表的回调函数
gauge(MetricsInfo, long) - Method in interface org.apache.hadoop.metrics2.MetricsVisitor
长值计量器的回调函数
gauge(MetricsInfo, float) - Method in interface org.apache.hadoop.metrics2.MetricsVisitor
浮点值仪表的回调函数
gauge(MetricsInfo, double) - Method in interface org.apache.hadoop.metrics2.MetricsVisitor
双值量规的回调函数
gauges() - Method in interface org.apache.hadoop.fs.statistics.IOStatistics
仪表盘映射。
gauges() - Method in class org.apache.hadoop.fs.statistics.IOStatisticsSnapshot
 
generateActualKey(K, V) - Method in class org.apache.hadoop.mapred.lib.MultipleOutputFormat
根据给定的键/值生成实际的键。
generateActualValue(K, V) - Method in class org.apache.hadoop.mapred.lib.MultipleOutputFormat
根据给定的键和值生成实际值。
generateDefaultFlowName(String, ApplicationId) - Static method in class org.apache.hadoop.yarn.util.timeline.TimelineUtils
 
generateEntry(String, String, Text) - Static method in class org.apache.hadoop.mapred.lib.aggregate.ValueAggregatorBaseDescriptor
 
generateEntry(String, String, Text) - Static method in class org.apache.hadoop.mapreduce.lib.aggregate.ValueAggregatorBaseDescriptor
 
generateFileNameForKeyValue(K, V, String) - Method in class org.apache.hadoop.mapred.lib.MultipleOutputFormat
根据给定的键和叶子文件名生成输出文件名。
generateFlowNameTag(String) - Static method in class org.apache.hadoop.yarn.util.timeline.TimelineUtils
生成流程名称标签。
generateFlowRunIdTag(long) - Static method in class org.apache.hadoop.yarn.util.timeline.TimelineUtils
生成流程运行ID标签。
generateFlowVersionTag(String) - Static method in class org.apache.hadoop.yarn.util.timeline.TimelineUtils
生成流程版本标签。
generateKey(int, String) - Method in class org.apache.hadoop.crypto.key.KeyProvider
生成密钥材料。
generateKeyValPairs(Object, Object) - Method in class org.apache.hadoop.mapreduce.lib.aggregate.UserDefinedValueAggregatorDescriptor
通过将调用委托给实际对象,为给定的键/值对生成一个聚合ID/值对的列表。
generateKeyValPairs(Object, Object) - Method in class org.apache.hadoop.mapreduce.lib.aggregate.ValueAggregatorBaseDescriptor
为给定的键/值对生成1或2个聚合ID/值对。
generateKeyValPairs(Object, Object) - Method in interface org.apache.hadoop.mapreduce.lib.aggregate.ValueAggregatorDescriptor
为给定的键/值对生成一个聚合ID/值对的列表。
generateLeafFileName(String) - Method in class org.apache.hadoop.mapred.lib.MultipleOutputFormat
为输出文件名生成叶子名称。
generateSecret() - Method in class org.apache.hadoop.security.token.SecretManager
生成一个新的随机密钥。
generateStateGraph(String) - Method in class org.apache.hadoop.yarn.state.StateMachineFactory
生成一个表示此状态机状态图的图表
generateValueAggregator(String) - Static method in class org.apache.hadoop.mapred.lib.aggregate.ValueAggregatorBaseDescriptor
 
generateValueAggregator(String, long) - Static method in class org.apache.hadoop.mapreduce.lib.aggregate.ValueAggregatorBaseDescriptor
 
GenericWritable - Class in org.apache.hadoop.io
Writable实例的包装器。
GenericWritable() - Constructor for class org.apache.hadoop.io.GenericWritable
 
get(String) - Method in class org.apache.hadoop.conf.配置
Get the value of the name property, null if no such property exists.
get(String, String) - Method in class org.apache.hadoop.conf.配置
Get the value of the name.
get(URI, Configuration) - Static method in class org.apache.hadoop.crypto.key.KeyProviderFactory
基于提供的URI创建一个KeyProvider。
get(URI, Configuration) - Static method in class org.apache.hadoop.fs.AbstractFileSystem
创建文件系统的主要工厂方法。
get(String) - Method in class org.apache.hadoop.fs.audit.CommonAuditContext
获取上下文条目。
get(URI, Configuration, String) - Static method in class org.apache.hadoop.fs.FileSystem
基于URI、传入的配置和用户获取一个FileSystem实例。
get(Configuration) - Static method in class org.apache.hadoop.fs.FileSystem
返回已配置的FileSystem实现。
get(URI, Configuration) - Static method in class org.apache.hadoop.fs.FileSystem
获取针对该URI方案和权限的FileSystem。
get(String) - Method in enum org.apache.hadoop.fs.GlobalStorageStatistics
获取具有给定名称的StorageStatistics对象。
get() - Method in class org.apache.hadoop.fs.PartialListing
正在列出的路径的部分清单。
get(Class, Query) - Method in class org.apache.hadoop.hdfs.server.federation.store.driver.impl.StateStoreBaseImpl
 
get() - Method in class org.apache.hadoop.io.ArrayPrimitiveWritable
获取原始数组。
get() - Method in class org.apache.hadoop.io.ArrayWritable
 
get() - Method in class org.apache.hadoop.io.BooleanWritable
返回BooleanWritable的值。
get() - Method in class org.apache.hadoop.io.BytesWritable
Deprecated.
get() - Method in class org.apache.hadoop.io.ByteWritable
返回此ByteWritable的值。
get() - Method in class org.apache.hadoop.io.DoubleWritable
 
get() - Method in class org.apache.hadoop.io.EnumSetWritable
返回此EnumSetWritable的值。
get() - Method in class org.apache.hadoop.io.FloatWritable
返回此FloatWritable的值。
get() - Method in class org.apache.hadoop.io.GenericWritable
返回包装后的实例。
get() - Method in class org.apache.hadoop.io.IntWritable
返回此IntWritable的值。
get() - Method in class org.apache.hadoop.io.LongWritable
返回此LongWritable的值。
get(Object) - Method in class org.apache.hadoop.io.MapWritable
 
get() - Static method in class org.apache.hadoop.io.NullWritable
返回该类的单一实例。
get() - Method in class org.apache.hadoop.io.ObjectWritable
返回实例,如果没有则返回null。
get() - Method in class org.apache.hadoop.io.ShortWritable
 
get(Object) - Method in class org.apache.hadoop.io.SortedMapWritable
 
get() - Method in class org.apache.hadoop.io.TwoDArrayWritable
 
get() - Method in class org.apache.hadoop.io.VIntWritable
 
get() - Method in class org.apache.hadoop.io.VLongWritable
 
get(Class) - Static method in class org.apache.hadoop.io.WritableComparator
为了向后兼容。
get(Class, Configuration) - Static method in class org.apache.hadoop.io.WritableComparator
Get a comparator for a WritableComparable implementation.
get() - Static method in class org.apache.hadoop.ipc.Server
 
get(int) - Method in class org.apache.hadoop.mapred.join.CompositeInputSplit
获取第i个子InputSplit。
get(int) - Method in class org.apache.hadoop.mapreduce.lib.join.CompositeInputSplit
获取第i个子InputSplit。
get(int) - Method in class org.apache.hadoop.mapreduce.lib.join.TupleWritable
从元组中获取第i个可写对象。
get(String) - Method in class org.apache.hadoop.metrics2.lib.MetricsRegistry
按名称获取指标
get(String, Collection) - Method in class org.apache.hadoop.metrics2.util.MetricsCache
获取缓存的记录
get(DataInput) - Static method in class org.apache.hadoop.record.BinaryRecordInput
Deprecated.
获取指定DataInput的线程本地记录输入。
get(DataOutput) - Static method in class org.apache.hadoop.record.BinaryRecordOutput
Deprecated.
获取指定DataOutput的线程本地记录输出。
get() - Method in class org.apache.hadoop.record.Buffer
Deprecated.
从缓冲区获取数据。
get(String) - Method in class org.apache.hadoop.registry.client.types.ServiceRecord
获取具有特定键的"other"属性
get(String, String) - Method in class org.apache.hadoop.registry.client.types.ServiceRecord
获取具有特定键的"other"属性。
get() - Static method in class org.apache.hadoop.util.ShutdownHookManager
Return ShutdownHookManager singleton.
GET_ACCESS_CONTROL - Static variable in class org.apache.hadoop.fs.azurebfs.constants.AbfsHttpConstants
 
GET_STATUS - Static variable in class org.apache.hadoop.fs.azurebfs.constants.AbfsHttpConstants
 
getAbfsConfiguration() - Method in class org.apache.hadoop.fs.azurebfs.AzureBlobFileSystemStore
 
getAbout() - Method in class org.apache.hadoop.yarn.api.records.timeline.TimelineAbout
 
getAcceptanceTime() - Method in class org.apache.hadoop.yarn.api.records.ReservationAllocationState
获取预约的接受时间。
getAccessibleNodeLabels() - Method in class org.apache.hadoop.yarn.api.records.QueueInfo
Get the accessible node labels of the queue.
getAccessTime() - Method in class org.apache.hadoop.fs.FileStatus
获取文件的访问时间。
getAccessToken() - Method in class org.apache.hadoop.fs.adl.oauth2.AzureADTokenProvider
获取应添加到HTTPS连接头部的访问令牌。
getAccessToken() - Method in class org.apache.hadoop.hdfs.web.oauth2.AccessTokenProvider
获取应添加到HTTP连接头部的访问令牌。
getAccessToken() - Method in class org.apache.hadoop.hdfs.web.oauth2.ConfRefreshTokenBasedAccessTokenProvider
 
getAccessToken() - Method in class org.apache.hadoop.hdfs.web.oauth2.CredentialBasedAccessTokenProvider
 
getAccessType() - Method in class org.apache.hadoop.yarn.security.AccessRequest
 
getAccountNameFromFQDN(String) - Static method in class org.apache.hadoop.fs.adl.AdlFileSystem
从ADL FQDN获取ADL账户名称。
getAclBit() - Method in class org.apache.hadoop.fs.permission.FsPermission
Deprecated.
Get acl bit from the FileStatus object.
getAcls() - Method in class org.apache.hadoop.hdfs.inotify.Event.MetadataUpdateEvent
当前与此文件或目录关联的完整ACL集合。
getAclStatus(Path) - Method in class org.apache.hadoop.fs.AbstractFileSystem
获取文件和目录的ACL权限。
getAclStatus(Path) - Method in class org.apache.hadoop.fs.adl.AdlFileSystem
获取文件或目录的访问控制列表(ACL)。
getAclStatus(Path, TracingContext) - Method in class org.apache.hadoop.fs.azurebfs.AzureBlobFileSystemStore
 
getAclStatus(Path) - Method in class org.apache.hadoop.fs.FileContext
获取文件和目录的ACLs。
getAclStatus(Path) - Method in class org.apache.hadoop.fs.FileSystem
获取文件或目录的访问控制列表(ACL)。
getAclStatus(Path) - Method in class org.apache.hadoop.fs.FilterFileSystem
 
getAclStatus(Path) - Method in class org.apache.hadoop.fs.viewfs.ViewFileSystem
 
getAclStatus(Path) - Method in class org.apache.hadoop.fs.viewfs.ViewFs
 
getAclStatus() - Method in class org.apache.hadoop.hdfs.server.namenode.TreePath
 
getAclString() - Method in class org.apache.hadoop.security.authorize.AccessControlList
Returns the access control list as a String that can be used for building a new instance by sending it to the constructor of AccessControlList.
getActiveTaskTrackers() - Method in class org.apache.hadoop.mapreduce.集群
获取集群中所有活跃的跟踪器。
getActiveTrackerNames() - Method in class org.apache.hadoop.mapred.ClusterStatus
获取集群中任务跟踪器的名称。
getActualTxid() - Method in exception org.apache.hadoop.hdfs.inotify.MissingEventsException
 
getAdditional() - Method in class org.apache.hadoop.yarn.service.api.records.Resource
资源名称到ResourceInformation的映射
getAddress() - Method in class org.apache.hadoop.ha.HAServiceTarget
 
getAddressField(Map, String) - Static method in class org.apache.hadoop.registry.client.binding.RegistryTypeUtils
从地址中获取特定字段 - 如果该字段不存在则抛出异常
getAdjustedEnd() - Method in class org.apache.hadoop.io.compress.SplitCompressionInputStream
调用createInputStream后,start或end的值可能会发生变化。
getAdjustedStart() - Method in class org.apache.hadoop.io.compress.SplitCompressionInputStream
调用createInputStream后,start或end的值可能会发生变化。
getAdlClient() - Method in class org.apache.hadoop.fs.adl.AdlFileSystem
 
getAggregatedContainersUtilization() - Method in class org.apache.hadoop.yarn.api.records.NodeReport
获取节点中容器的聚合资源利用率。
getAggregatorDescriptors(Configuration) - Static method in class org.apache.hadoop.mapreduce.lib.aggregate.ValueAggregatorJobBase
 
getAlgorithmName() - Method in class org.apache.hadoop.fs.FileChecksum
校验和算法名称。
getAliases() - Method in class org.apache.hadoop.security.alias.CredentialProvider
获取所有凭证的别名。
getAllBlocks() - Method in class org.apache.hadoop.hdfs.client.HdfsDataInputStream
获取已定位的块集合。
getAllcationTags() - Method in class org.apache.hadoop.yarn.security.ContainerTokenIdentifier
 
getAllEvents() - Method in class org.apache.hadoop.yarn.api.records.timeline.TimelineEvents
Get a list of TimelineEvents.EventsOfOneEntity instances
getAllFileInfo() - Method in class org.apache.hadoop.mapreduce.v2.hs.HistoryFileManager
 
getAllJobs() - Method in class org.apache.hadoop.mapred.JobClient
获取已提交的作业。
getAllJobs() - Method in class org.apache.hadoop.mapreduce.集群
Deprecated.
getAllJobStatuses() - Method in class org.apache.hadoop.mapreduce.集群
获取集群中所有作业的状态。
getAllKeys() - Method in class org.apache.hadoop.security.token.delegation.AbstractDelegationTokenSecretManager
 
getAllocatedContainers() - Method in class org.apache.hadoop.yarn.api.protocolrecords.AllocateResponse
Get the list of newly allocated Container by the ResourceManager.
getAllocatedContainers() - Method in class org.apache.hadoop.yarn.api.records.QueueStatistics
获取已分配的容器数量。
getAllocatedMemoryMB() - Method in class org.apache.hadoop.yarn.api.records.QueueStatistics
获取分配的内存大小(单位:MB)
getAllocatedResource() - Method in class org.apache.hadoop.yarn.api.records.ContainerReport
Get the allocated Resource of the container.
getAllocatedVCores() - Method in class org.apache.hadoop.yarn.api.records.QueueStatistics
获取已分配的虚拟核心数
getAllocationRequestId() - Method in class org.apache.hadoop.yarn.api.records.Container
Get the optional ID corresponding to the original ResourceRequest{@link #getAllocationRequestId()}s which is satisfied by this allocated Container.
getAllocationRequestId() - Method in class org.apache.hadoop.yarn.api.records.ResourceRequest
Get the optional ID corresponding to this allocation request.
getAllocationRequestId() - Method in class org.apache.hadoop.yarn.api.records.SchedulingRequest
 
getAllocationRequestId() - Method in class org.apache.hadoop.yarn.security.ContainerTokenIdentifier
 
getAllocationTags() - Method in class org.apache.hadoop.yarn.api.records.SchedulingRequest
 
getAllPartialJobs() - Method in interface org.apache.hadoop.mapreduce.v2.hs.HistoryStorage
获取所有缓存的任务。
getAllPropertiesByTag(String) - Method in class org.apache.hadoop.conf.配置
获取属于标签的所有属性。
getAllPropertiesByTags(List) - Method in class org.apache.hadoop.conf.配置
获取属于输入标签列表的所有属性。
getAllQueues() - Method in class org.apache.hadoop.yarn.client.api.YarnClient
Get information (QueueInfo) about all queues, recursively if there is a hierarchy
GetAllResourceProfilesRequest - Class in org.apache.hadoop.yarn.api.protocolrecords
从资源管理器(RM)获取所有资源配置文件的请求类。
GetAllResourceProfilesRequest() - Constructor for class org.apache.hadoop.yarn.api.protocolrecords.GetAllResourceProfilesRequest
 
GetAllResourceProfilesResponse - Class in org.apache.hadoop.yarn.api.protocolrecords
用于从资源管理器(RM)获取所有资源配置文件的响应类。
GetAllResourceProfilesResponse() - Constructor for class org.apache.hadoop.yarn.api.protocolrecords.GetAllResourceProfilesResponse
 
GetAllResourceTypeInfoRequest - Class in org.apache.hadoop.yarn.api.protocolrecords
从资源管理器(RM)获取所有资源配置文件的请求类。
GetAllResourceTypeInfoRequest() - Constructor for class org.apache.hadoop.yarn.api.protocolrecords.GetAllResourceTypeInfoRequest
 
GetAllResourceTypeInfoResponse - Class in org.apache.hadoop.yarn.api.protocolrecords
用于从资源管理器(RM)获取所有资源配置文件的响应类。
GetAllResourceTypeInfoResponse() - Constructor for class org.apache.hadoop.yarn.api.protocolrecords.GetAllResourceTypeInfoResponse
 
getAllSecretKeys() - Method in class org.apache.hadoop.security.Credentials
返回内存映射中的所有密钥条目。
getAllServicesMetaData() - Method in class org.apache.hadoop.yarn.api.protocolrecords.StartContainersResponse
Get the meta-data from all auxiliary services running on the NodeManager.
getAllShells() - Static method in class org.apache.hadoop.util.Shell
Static method to return a Set of all Shell objects.
getAllStatistics() - Static method in class org.apache.hadoop.fs.AbstractFileSystem
 
getAllStatistics() - Static method in class org.apache.hadoop.fs.FileContext
 
getAllStatistics() - Static method in class org.apache.hadoop.fs.FileSystem
getAllStoragePolicies() - Method in class org.apache.hadoop.fs.AbstractFileSystem
检索该文件系统支持的所有存储策略。
getAllStoragePolicies() - Method in class org.apache.hadoop.fs.FileContext
检索该文件系统支持的所有存储策略。
getAllStoragePolicies() - Method in class org.apache.hadoop.fs.FileSystem
检索该文件系统支持的所有存储策略。
getAllStoragePolicies() - Method in class org.apache.hadoop.fs.FilterFileSystem
 
getAllStoragePolicies() - Method in class org.apache.hadoop.fs.viewfs.ViewFileSystem
 
getAllStoragePolicies() - Method in class org.apache.hadoop.hdfs.client.HdfsAdmin
获取HDFS文件系统支持的所有存储策略。
getAllTaskTypes() - Static method in class org.apache.hadoop.mapreduce.TaskID
Returns a string of characters describing all possible TaskType values
getAllTokens() - Method in class org.apache.hadoop.security.Credentials
返回内存映射中的所有令牌。
getAMCommand() - Method in class org.apache.hadoop.yarn.api.protocolrecords.AllocateResponse
If the ResourceManager needs the ApplicationMaster to take some action then it will send an AMCommand to the ApplicationMaster.
getAMContainerId() - Method in class org.apache.hadoop.yarn.api.records.ApplicationAttemptReport
Get the ContainerId of AMContainer for this attempt
getAMContainerInfoForRMWebService(Configuration, String) - Method in class org.apache.hadoop.yarn.client.cli.LogsCLI
 
getAMContainerResourceRequest() - Method in class org.apache.hadoop.yarn.api.records.ApplicationSubmissionContext
getAMContainerResourceRequests() - Method in class org.apache.hadoop.yarn.api.records.ApplicationSubmissionContext
获取AM容器的资源请求。
getAMContainerSpec() - Method in class org.apache.hadoop.yarn.api.records.ApplicationSubmissionContext
Get the ContainerLaunchContext to describe the Container with which the ApplicationMaster is launched.
getAmNodeLabelExpression() - Method in class org.apache.hadoop.yarn.api.records.ApplicationReport
获取应用程序所有容器的默认节点标签表达式
getAMRMToken() - Method in class org.apache.hadoop.yarn.api.protocolrecords.AllocateResponse
属于此次尝试的AMRMToken
getAMRMToken() - Method in class org.apache.hadoop.yarn.api.records.ApplicationReport
获取应用程序的AMRM令牌。
getAMRMToken(ApplicationId) - Method in class org.apache.hadoop.yarn.client.api.YarnClient
获取应用程序的AMRM令牌。
getAMRMTokenService(Configuration) - Static method in class org.apache.hadoop.yarn.client.ClientRMProxy
 
getAppId() - Method in class org.apache.hadoop.yarn.api.protocolrecords.ReleaseSharedCacheResourceRequest
Get the ApplicationId of the resource to be released.
getAppId() - Method in class org.apache.hadoop.yarn.api.protocolrecords.UseSharedCacheResourceRequest
Get the ApplicationId of the resource to be used.
getAppId() - Method in class org.apache.hadoop.yarn.security.AccessRequest
 
getAppId(String) - Method in class org.apache.hadoop.yarn.service.client.ServiceClient
 
getApplicationACLs() - Method in class org.apache.hadoop.yarn.api.protocolrecords.RegisterApplicationMasterResponse
Get the ApplicationACLs for the application.
getApplicationACLs() - Method in class org.apache.hadoop.yarn.api.records.ContainerLaunchContext
Get the ApplicationACLs for the application.
getApplicationAcls() - Method in class org.apache.hadoop.yarn.logaggregation.AggregatedLogFormat.LogReader
返回应用程序的ACL列表。
getApplicationAcls(Path, ApplicationId) - Method in class org.apache.hadoop.yarn.logaggregation.filecontroller.LogAggregationFileController
返回应用程序的ACL列表。
getApplicationAttemptEntities(ApplicationId, String, Map, long, String) - Method in class org.apache.hadoop.yarn.client.api.impl.TimelineReaderClientImpl
 
getApplicationAttemptEntities(ApplicationId, String, Map, long, String) - Method in class org.apache.hadoop.yarn.client.api.TimelineReaderClient
获取应用程序尝试实体。
getApplicationAttemptEntity(ApplicationAttemptId, String, Map) - Method in class org.apache.hadoop.yarn.client.api.impl.TimelineReaderClientImpl
 
getApplicationAttemptEntity(ApplicationAttemptId, String, Map) - Method in class org.apache.hadoop.yarn.client.api.TimelineReaderClient
获取应用程序尝试实体。
getApplicationAttemptId() - Method in class org.apache.hadoop.yarn.api.protocolrecords.FailApplicationAttemptRequest
Get the ApplicationAttemptId of the attempt to be failed.
getApplicationAttemptId() - Method in class org.apache.hadoop.yarn.api.protocolrecords.GetApplicationAttemptReportRequest
Get the ApplicationAttemptId of an application attempt.
getApplicationAttemptId() - Method in class org.apache.hadoop.yarn.api.protocolrecords.GetContainersRequest
Get the ApplicationAttemptId of an application attempt.
getApplicationAttemptId() - Method in class org.apache.hadoop.yarn.api.records.ApplicationAttemptReport
Get the ApplicationAttemptId of this attempt of the application
getApplicationAttemptId() - Method in class org.apache.hadoop.yarn.api.records.ContainerId
Get the ApplicationAttemptId of the application to which the Container was assigned.
getApplicationAttemptID() - Method in class org.apache.hadoop.yarn.security.client.ClientToAMTokenIdentifier
 
getApplicationAttemptId() - Method in class org.apache.hadoop.yarn.security.NMTokenIdentifier
 
getApplicationAttemptList() - Method in class org.apache.hadoop.yarn.api.protocolrecords.GetApplicationAttemptsResponse
Get a list of ApplicationReport of an application.
getApplicationAttemptReport() - Method in class org.apache.hadoop.yarn.api.protocolrecords.GetApplicationAttemptReportResponse
Get the ApplicationAttemptReport for the application attempt.
getApplicationAttemptReport(ApplicationAttemptId) - Method in class org.apache.hadoop.yarn.client.api.AHSClient
获取给定ApplicationAttempt的报告。
getApplicationAttemptReport(ApplicationAttemptId) - Method in class org.apache.hadoop.yarn.client.api.YarnClient
获取给定ApplicationAttempt的报告。
GetApplicationAttemptReportRequest - Class in org.apache.hadoop.yarn.api.protocolrecords
The request sent by a client to the ResourceManager to get an ApplicationAttemptReport for an application attempt.
GetApplicationAttemptReportRequest() - Constructor for class org.apache.hadoop.yarn.api.protocolrecords.GetApplicationAttemptReportRequest
 
GetApplicationAttemptReportResponse - Class in org.apache.hadoop.yarn.api.protocolrecords
The response sent by the ResourceManager to a client requesting an application attempt report.
GetApplicationAttemptReportResponse() - Constructor for class org.apache.hadoop.yarn.api.protocolrecords.GetApplicationAttemptReportResponse
 
getApplicationAttempts(ApplicationId) - Method in class org.apache.hadoop.yarn.client.api.AHSClient
获取集群中应用程序的所有(ApplicationAttempts)报告。
getApplicationAttempts(ApplicationId) - Method in class org.apache.hadoop.yarn.client.api.YarnClient
获取集群中应用程序的所有(ApplicationAttempts)报告。
GetApplicationAttemptsRequest - Class in org.apache.hadoop.yarn.api.protocolrecords
The request from clients to get a list of application attempt reports of an application from the ResourceManager.
GetApplicationAttemptsRequest() - Constructor for class org.apache.hadoop.yarn.api.protocolrecords.GetApplicationAttemptsRequest
 
GetApplicationAttemptsResponse - Class in org.apache.hadoop.yarn.api.protocolrecords
The response sent by the ResourceManager to a client requesting a list of ApplicationAttemptReport for application attempts.
GetApplicationAttemptsResponse() - Constructor for class org.apache.hadoop.yarn.api.protocolrecords.GetApplicationAttemptsResponse
 
getApplicationDirectoriesOfUser(String) - Method in class org.apache.hadoop.yarn.logaggregation.filecontroller.LogAggregationFileController
获取用户的所有应用程序目录。
getApplicationEntity(ApplicationId, String, Map) - Method in class org.apache.hadoop.yarn.client.api.impl.TimelineReaderClientImpl
 
getApplicationEntity(ApplicationId, String, Map) - Method in class org.apache.hadoop.yarn.client.api.TimelineReaderClient
获取应用程序实体。
getApplicationEvent(TimelineEntity, String) - Static method in class org.apache.hadoop.yarn.api.records.timelineservice.ApplicationEntity
 
getApplicationId() - Method in class org.apache.hadoop.yarn.api.protocolrecords.GetApplicationAttemptsRequest
Get the ApplicationId of an application
getApplicationId() - Method in class org.apache.hadoop.yarn.api.protocolrecords.GetApplicationReportRequest
Get the ApplicationId of the application.
getApplicationId() - Method in class org.apache.hadoop.yarn.api.protocolrecords.GetNewApplicationResponse
Get the new ApplicationId allocated by the ResourceManager.
getApplicationId() - Method in class org.apache.hadoop.yarn.api.protocolrecords.KillApplicationRequest
Get the ApplicationId of the application to be aborted.
getApplicationId() - Method in class org.apache.hadoop.yarn.api.protocolrecords.MoveApplicationAcrossQueuesRequest
Get the ApplicationId of the application to be moved.
getApplicationId() - Method in class org.apache.hadoop.yarn.api.protocolrecords.UpdateApplicationPriorityRequest
Get the ApplicationId of the application.
getApplicationId() - Method in class org.apache.hadoop.yarn.api.protocolrecords.UpdateApplicationTimeoutsRequest
Get the ApplicationId of the application.
getApplicationId() - Method in class org.apache.hadoop.yarn.api.records.ApplicationAttemptId
Get the ApplicationId of the ApplicationAttempId.
getApplicationId() - Method in class org.apache.hadoop.yarn.api.records.ApplicationReport
Get the ApplicationId of the application.
getApplicationId() - Method in class org.apache.hadoop.yarn.api.records.ApplicationSubmissionContext
Get the ApplicationId of the submitted application.
getApplicationId() - Method in class org.apache.hadoop.yarn.api.records.timeline.TimelineEntityGroupId
Get the ApplicationId of the TimelineEntityGroupId.
getApplicationList() - Method in class org.apache.hadoop.yarn.api.protocolrecords.GetApplicationsResponse
Get ApplicationReport for applications.
getApplicationName() - Method in class org.apache.hadoop.yarn.api.records.ApplicationSubmissionContext
Get the application name.
getApplicationOwner() - Method in class org.apache.hadoop.yarn.logaggregation.AggregatedLogFormat.LogReader
返回应用程序的所有者。
getApplicationOwner(Path, ApplicationId) - Method in class org.apache.hadoop.yarn.logaggregation.filecontroller.LogAggregationFileController
返回应用程序的所有者。
getApplicationPriority() - Method in class org.apache.hadoop.yarn.api.protocolrecords.AllocateResponse
应用程序的优先级
getApplicationPriority() - Method in class org.apache.hadoop.yarn.api.protocolrecords.UpdateApplicationPriorityRequest
Get the Priority of the application to be set.
getApplicationPriority() - Method in class org.apache.hadoop.yarn.api.protocolrecords.UpdateApplicationPriorityResponse
Get the Priority of the application to be set.
getApplicationReport() - Method in class org.apache.hadoop.yarn.api.protocolrecords.GetApplicationReportResponse
Get the ApplicationReport for the application.
getApplicationReport(ApplicationId) - Method in class org.apache.hadoop.yarn.client.api.AHSClient
获取指定应用程序的报告。
getApplicationReport(ApplicationId) - Method in class org.apache.hadoop.yarn.client.api.YarnClient
获取给定应用程序的报告。
GetApplicationReportRequest - Class in org.apache.hadoop.yarn.api.protocolrecords
The request sent by a client to the ResourceManager to get an ApplicationReport for an application.
GetApplicationReportRequest() - Constructor for class org.apache.hadoop.yarn.api.protocolrecords.GetApplicationReportRequest
 
GetApplicationReportResponse - Class in org.apache.hadoop.yarn.api.protocolrecords
The response sent by the ResourceManager to a client requesting an application report.
GetApplicationReportResponse() - Constructor for class org.apache.hadoop.yarn.api.protocolrecords.GetApplicationReportResponse
 
getApplicationResourceUsageReport() - Method in class org.apache.hadoop.yarn.api.records.ApplicationReport
获取包含此应用程序作业资源的结构
getApplications() - Method in class org.apache.hadoop.yarn.api.records.QueueInfo
Get the running applications of the queue.
getApplications() - Method in class org.apache.hadoop.yarn.client.api.AHSClient
获取集群中所有应用程序的报告(ApplicationReport)。
getApplications() - Method in class org.apache.hadoop.yarn.client.api.YarnClient
获取集群中所有应用程序的报告(ApplicationReport)。
getApplications(Set) - Method in class org.apache.hadoop.yarn.client.api.YarnClient
获取集群中匹配给定应用类型的应用程序报告(ApplicationReport)。
getApplications(EnumSet) - Method in class org.apache.hadoop.yarn.client.api.YarnClient
获取集群中与给定应用状态匹配的应用报告(ApplicationReport)。
getApplications(Set, EnumSet) - Method in class org.apache.hadoop.yarn.client.api.YarnClient
获取集群中符合指定应用类型和应用状态的应用程序报告(ApplicationReport)。
getApplications(Set, EnumSet, Set) - Method in class org.apache.hadoop.yarn.client.api.YarnClient
获取集群中符合指定应用类型、应用状态和应用标签的应用程序报告(ApplicationReport)。
getApplications(Set, Set, Set, EnumSet) - Method in class org.apache.hadoop.yarn.client.api.YarnClient
获取集群中与给定用户、队列、应用类型和应用状态匹配的应用程序报告(ApplicationReport)。
getApplications(GetApplicationsRequest) - Method in class org.apache.hadoop.yarn.client.api.YarnClient
Get a list of ApplicationReports that match the given GetApplicationsRequest.
getApplicationSchedulingPropertiesMap() - Method in class org.apache.hadoop.yarn.api.records.ApplicationSubmissionContext
获取存储为键值对映射的应用调度环境变量。
GetApplicationsRequest - Class in org.apache.hadoop.yarn.api.protocolrecords
The request from clients to get a report of Applications in the cluster from the ResourceManager.
GetApplicationsRequest() - Constructor for class org.apache.hadoop.yarn.api.protocolrecords.GetApplicationsRequest
 
GetApplicationsResponse - Class in org.apache.hadoop.yarn.api.protocolrecords
The response sent by the ResourceManager to a client requesting an ApplicationReport for applications.
GetApplicationsResponse() - Constructor for class org.apache.hadoop.yarn.api.protocolrecords.GetApplicationsResponse
 
getApplicationStates() - Method in class org.apache.hadoop.yarn.api.protocolrecords.GetApplicationsRequest
获取应用程序状态以筛选应用程序
getApplicationSubmissionContext() - Method in class org.apache.hadoop.yarn.api.protocolrecords.SubmitApplicationRequest
Get the ApplicationSubmissionContext for the application.
getApplicationSubmissionContext() - Method in class org.apache.hadoop.yarn.client.api.YarnClientApplication
 
getApplicationSubmitter() - Method in class org.apache.hadoop.yarn.security.ContainerTokenIdentifier
 
getApplicationSubmitter() - Method in class org.apache.hadoop.yarn.security.NMTokenIdentifier
 
getApplicationTags() - Method in class org.apache.hadoop.yarn.api.records.ApplicationReport
获取与应用程序对应的所有标签
getApplicationTags() - Method in class org.apache.hadoop.yarn.api.records.ApplicationSubmissionContext
获取应用程序的标签
getApplicationTimeouts() - Method in class org.apache.hadoop.yarn.api.protocolrecords.UpdateApplicationTimeoutsRequest
Get ApplicationTimeouts of the application.
getApplicationTimeouts() - Method in class org.apache.hadoop.yarn.api.protocolrecords.UpdateApplicationTimeoutsResponse
Get ApplicationTimeouts of the application.
getApplicationTimeouts() - Method in class org.apache.hadoop.yarn.api.records.ApplicationReport
 
getApplicationTimeouts() - Method in class org.apache.hadoop.yarn.api.records.ApplicationSubmissionContext
Get ApplicationTimeouts of the application.
getApplicationType() - Method in class org.apache.hadoop.yarn.api.records.ApplicationReport
获取应用程序的类型
getApplicationType() - Method in class org.apache.hadoop.yarn.api.records.ApplicationSubmissionContext
获取应用程序类型
getApplicationTypes() - Method in class org.apache.hadoop.yarn.api.protocolrecords.GetApplicationsRequest
获取用于筛选应用程序的应用类型
getAppName() - Method in class org.apache.hadoop.yarn.security.AccessRequest
 
getAppNodeLabelExpression() - Method in class org.apache.hadoop.yarn.api.records.ApplicationReport
获取应用程序所有容器的默认节点标签表达式
getApproxChkSumLength(long) - Static method in class org.apache.hadoop.fs.ChecksumFileSystem
 
getArchiveClassPaths() - Method in interface org.apache.hadoop.mapreduce.JobContext
获取类路径中的归档条目作为Path数组
getArchiveSharedCacheUploadPolicies(Configuration) - Static method in class org.apache.hadoop.mapreduce.Job
这是为了获取共享缓存中归档文件的上传策略。
getArchiveTimestamps() - Method in interface org.apache.hadoop.mapreduce.JobContext
获取归档的时间戳。
getArrival() - Method in class org.apache.hadoop.yarn.api.records.ReservationDefinition
获取到达时间或资源可分配的最早时间。
getArtifact() - Method in class org.apache.hadoop.yarn.service.api.records.组件
 
getArtifact() - Method in class org.apache.hadoop.yarn.service.api.records.Container
 
getArtifact() - Method in class org.apache.hadoop.yarn.service.api.records.ReadinessCheck
 
getArtifact() - Method in class org.apache.hadoop.yarn.service.api.records.Service
 
getAskList() - Method in class org.apache.hadoop.yarn.api.protocolrecords.AllocateRequest
Get the list of ResourceRequest to update the ResourceManager about the application's resource requirements.
getAssignedJobID() - Method in class org.apache.hadoop.mapred.jobcontrol.Job
 
getAssignedNode() - Method in class org.apache.hadoop.yarn.api.records.ContainerReport
Get the allocated NodeId where container is running.
getAsyncRpcResponse() - Static method in class org.apache.hadoop.ipc.Client
 
getAtime() - Method in class org.apache.hadoop.hdfs.inotify.Event.MetadataUpdateEvent
 
getAtomicWorkPath() - Method in class org.apache.hadoop.tools.DistCpOptions
 
getAttemptFailuresValidityInterval() - Method in class org.apache.hadoop.yarn.api.records.ApplicationSubmissionContext
获取应用程序的attemptFailuresValidityInterval(以毫秒为单位)。
getAttemptId() - Method in class org.apache.hadoop.yarn.api.records.ApplicationAttemptId
Get the attempt id of the Application.
getAttemptsToStartSkipping(Configuration) - Static method in class org.apache.hadoop.mapred.SkipBadRecords
获取任务尝试次数,超过该次数后将启动跳过模式。
getAttributeKey() - Method in class org.apache.hadoop.yarn.api.records.NodeAttribute
 
getAttributeKey() - Method in class org.apache.hadoop.yarn.api.records.NodeAttributeInfo
 
getAttributeName() - Method in class org.apache.hadoop.yarn.api.records.NodeAttributeKey
 
getAttributePrefix() - Method in class org.apache.hadoop.yarn.api.records.NodeAttributeKey
 
getAttributes(String, INodeAttributes) - Method in class org.apache.hadoop.hdfs.server.namenode.INodeAttributeProvider
Deprecated.
getAttributes(String[], INodeAttributes) - Method in class org.apache.hadoop.hdfs.server.namenode.INodeAttributeProvider
 
getAttributes(byte[][], INodeAttributes) - Method in class org.apache.hadoop.hdfs.server.namenode.INodeAttributeProvider
 
getAttributesToNodes(GetAttributesToNodesRequest) - Method in interface org.apache.hadoop.yarn.api.ApplicationClientProtocol
客户端用于获取ResourceManager中可用节点属性映射的接口
getAttributesToNodes() - Method in class org.apache.hadoop.yarn.api.protocolrecords.GetAttributesToNodesResponse
获取NodeAttributeKey到其关联的NodeToAttributeValue列表映射的映射关系,这些值与属性相关联。
getAttributesToNodes(Set) - Method in class org.apache.hadoop.yarn.client.api.YarnClient
客户端使用的接口,用于获取集群中指定节点属性键的AttributeKey到关联的NodeToAttributeValue列表的映射。
GetAttributesToNodesRequest - Class in org.apache.hadoop.yarn.api.protocolrecords
The request from clients to get node to attribute value mapping for all or given set of Node AttributeKey's in the cluster from the ResourceManager.
GetAttributesToNodesRequest() - Constructor for class org.apache.hadoop.yarn.api.protocolrecords.GetAttributesToNodesRequest
 
GetAttributesToNodesResponse - Class in org.apache.hadoop.yarn.api.protocolrecords
The response sent by the ResourceManager to a client requesting node to attribute value mapping for all or given set of Node AttributeKey's.
GetAttributesToNodesResponse() - Constructor for class org.apache.hadoop.yarn.api.protocolrecords.GetAttributesToNodesResponse
 
getAttributeType() - Method in class org.apache.hadoop.yarn.api.records.NodeAttribute
 
getAttributeType() - Method in class org.apache.hadoop.yarn.api.records.NodeAttributeInfo
 
getAttributeValue() - Method in class org.apache.hadoop.yarn.api.records.NodeAttribute
 
getAttributeValue() - Method in class org.apache.hadoop.yarn.api.records.NodeToAttributeValue
 
getAuthenticationMethod(Configuration) - Static method in class org.apache.hadoop.security.SecurityUtil
 
getAuthenticationMethod() - Method in class org.apache.hadoop.security.UserGroupInformation
从主题中获取认证方法
getAuthMethod() - Method in enum org.apache.hadoop.security.UserGroupInformation.AuthenticationMethod
 
getAutoCommit() - Method in class org.apache.hadoop.yarn.api.protocolrecords.ReInitializeContainerRequest
检查是否为此次重新初始化设置了自动提交。
getAutoIncrMapperProcCount(Configuration) - Static method in class org.apache.hadoop.mapred.SkipBadRecords
Get the flag which if set to true, SkipBadRecords.COUNTER_MAP_PROCESSED_RECORDS is incremented by MapRunner after invoking the map function.
getAutoIncrReducerProcCount(Configuration) - Static method in class org.apache.hadoop.mapred.SkipBadRecords
Get the flag which if set to true, SkipBadRecords.COUNTER_REDUCE_PROCESSED_GROUPS is incremented by framework after invoking the reduce function.
getAuxiliaryListenerAddresses() - Method in class org.apache.hadoop.ipc.Server
返回所有已配置的辅助套接字地址集合,NameNode RPC正在监听这些地址。
getAuxiliaryPortEstablishedQOP() - Static method in class org.apache.hadoop.ipc.Server
返回当前调用的SASL qop(如果当前调用已设置且SASL协商已完成)。
getAvailableMemoryMB() - Method in class org.apache.hadoop.yarn.api.records.QueueStatistics
获取可用内存(单位:MB)
getAvailablePhysicalMemorySize() - Method in class org.apache.hadoop.util.SysInfo
获取系统中可用物理内存的总大小。
getAvailableResources() - Method in class org.apache.hadoop.yarn.api.protocolrecords.AllocateResponse
Get the available headroom for resources in the cluster for the application.
getAvailableResources() - Method in class org.apache.hadoop.yarn.client.api.AMRMClient
获取集群中当前可用的资源。
getAvailableResources() - Method in class org.apache.hadoop.yarn.client.api.async.AMRMClientAsync
获取集群中当前可用的资源。
getAvailableVCores() - Method in class org.apache.hadoop.yarn.api.records.QueueStatistics
获取可用的虚拟核心数
getAvailableVirtualMemorySize() - Method in class org.apache.hadoop.util.SysInfo
获取系统中可用虚拟内存的总大小。
getAzureServiceCode(int) - Static method in enum org.apache.hadoop.fs.azurebfs.contracts.services.AzureServiceErrorCode
 
getAzureServiceCode(int, String) - Static method in enum org.apache.hadoop.fs.azurebfs.contracts.services.AzureServiceErrorCode
 
getAzureServiceCode(int, String, String) - Static method in enum org.apache.hadoop.fs.azurebfs.contracts.services.AzureServiceErrorCode
 
getBareHost() - Method in class org.apache.hadoop.yarn.service.api.records.Container
 
getBaseName(String) - Static method in class org.apache.hadoop.crypto.key.KeyProvider
将版本名称拆分为基础名称。
getBaseRecordWriter(FileSystem, JobConf, String, Progressable) - Method in class org.apache.hadoop.mapred.lib.MultipleOutputFormat
 
getBaseRecordWriter(FileSystem, JobConf, String, Progressable) - Method in class org.apache.hadoop.mapred.lib.MultipleSequenceFileOutputFormat
 
getBaseRecordWriter(FileSystem, JobConf, String, Progressable) - Method in class org.apache.hadoop.mapred.lib.MultipleTextOutputFormat
 
getBaseTaskAttemptPath(TaskAttemptContext) - Method in class org.apache.hadoop.fs.s3a.commit.magic.MagicS3GuardCommitter
 
getBestUGI(String, String) - Static method in class org.apache.hadoop.security.UserGroupInformation
寻找最合适的UserGroupInformation来使用
getBlacklistAdditions() - Method in class org.apache.hadoop.yarn.api.records.ResourceBlacklistRequest
获取应添加到应用程序黑名单的资源名称列表。
getBlackListedTaskTrackerCount() - Method in class org.apache.hadoop.mapreduce.ClusterMetrics
获取集群中被列入黑名单的跟踪器数量。
getBlackListedTaskTrackers() - Method in class org.apache.hadoop.mapreduce.集群
获取黑名单跟踪器。
getBlacklistedTrackerNames() - Method in class org.apache.hadoop.mapred.ClusterStatus
获取集群中任务跟踪器的名称。
getBlacklistedTrackers() - Method in class org.apache.hadoop.mapred.ClusterStatus
获取集群中被列入黑名单的任务跟踪器数量。
getBlackListedTrackersInfo() - Method in class org.apache.hadoop.mapred.ClusterStatus
获取黑名单跟踪器列表及其被列入黑名单的原因。
getBlacklistRemovals() - Method in class org.apache.hadoop.yarn.api.records.ResourceBlacklistRequest
获取应从应用程序黑名单中移除的资源名称列表。
getBlacklistReport() - Method in class org.apache.hadoop.mapreduce.TaskTrackerInfo
获取关于任务跟踪器被列入黑名单原因的详细报告。
getBlock() - Method in interface org.apache.hadoop.hdfs.server.common.BlockAlias
 
getBlock() - Method in class org.apache.hadoop.hdfs.server.common.FileRegion
 
getBlockDownloadLatency() - Method in class org.apache.hadoop.fs.azure.metrics.AzureFileSystemInstrumentation
获取当前下载延迟的滚动平均值。
getBlockers() - Method in class org.apache.hadoop.service.AbstractService
 
getBlockers() - Method in interface org.apache.hadoop.service.Service
Get the blockers on a service -remote dependencies that are stopping the service from being live.
getBlockIndex(BlockLocation[], long) - Method in class org.apache.hadoop.mapred.FileInputFormat
 
getBlockIndex(BlockLocation[], long) - Method in class org.apache.hadoop.mapreduce.lib.input.FileInputFormat
 
getBlockLocations() - Method in class org.apache.hadoop.fs.LocatedFileStatus
获取文件的块位置信息 在HDFS中,返回的BlockLocation对于副本文件和纠删码文件会有不同的格式。
getBlockPoolId() - Method in class org.apache.hadoop.hdfs.server.aliasmap.InMemoryAliasMap
 
getBlockSize(Path) - Method in class org.apache.hadoop.fs.adl.AdlFileSystem
Deprecated.
Use getFileStatus() instead
getBlockSize() - Method in class org.apache.hadoop.fs.FileStatus
获取文件的块大小。
getBlockSize(Path) - Method in class org.apache.hadoop.fs.FileSystem
Deprecated.
getBlockSize() - Method in class org.apache.hadoop.fs.FSDataOutputStreamBuilder
 
getBlockSize() - Method in class org.apache.hadoop.fs.FsServerDefaults
 
getBlockSize() - Method in class org.apache.hadoop.fs.impl.MultipartUploaderBuilderImpl
 
getBlocksPerChunk() - Method in class org.apache.hadoop.tools.DistCpOptions
 
getBlockUploadLatency() - Method in class org.apache.hadoop.fs.azure.metrics.AzureFileSystemInstrumentation
获取当前上传延迟的滚动平均值。
getBoolean(String, boolean) - Method in class org.apache.hadoop.conf.配置
Get the value of the name property as a boolean.
getBoolean(String, boolean) - Method in class org.apache.hadoop.yarn.service.api.records.ConfigFile
 
getBoundingValsQuery() - Method in class org.apache.hadoop.mapreduce.lib.db.DataDrivenDBInputFormat
 
getBranch() - Static method in class org.apache.hadoop.util.VersionInfo
获取此分支的起源分支。
getBuffer(boolean, int) - Method in interface org.apache.hadoop.io.ByteBufferPool
获取一个新的直接字节缓冲区。
getBuffer(boolean, int) - Method in class org.apache.hadoop.io.ElasticByteBufferPool
 
getBufferSize() - Method in class org.apache.hadoop.fs.FSDataOutputStreamBuilder
 
getBufferSize() - Method in class org.apache.hadoop.fs.impl.FutureDataInputStreamBuilderImpl
 
getBufferSize() - Method in class org.apache.hadoop.fs.impl.MultipartUploaderBuilderImpl
 
getBuildVersion() - Static method in class org.apache.hadoop.util.VersionInfo
返回包含版本号、修订号、用户和日期的buildVersion。
getBytes() - Method in class org.apache.hadoop.fs.FileChecksum
校验和的字节值。
getBytes() - Method in class org.apache.hadoop.io.BinaryComparable
返回此实例的代表性字节数组。
getBytes() - Method in class org.apache.hadoop.io.BytesWritable
获取支持BytesWritable的数据。
getBytes() - Method in class org.apache.hadoop.io.Text
Returns the raw bytes; however, only data up to Text.getLength() is valid.
getBytes() - Method in class org.apache.hadoop.security.token.TokenIdentifier
获取令牌标识符的字节数据
getBytesCached() - Method in class org.apache.hadoop.hdfs.protocol.CacheDirectiveStats
 
getBytesCached() - Method in class org.apache.hadoop.hdfs.protocol.CachePoolStats
 
getBytesInFutureBlockGroups() - Method in class org.apache.hadoop.hdfs.protocol.ECBlockGroupStats
 
getBytesInFutureBlocks() - Method in class org.apache.hadoop.hdfs.protocol.ReplicatedBlockStats
 
getBytesNeeded() - Method in class org.apache.hadoop.hdfs.protocol.CacheDirectiveStats
 
getBytesNeeded() - Method in class org.apache.hadoop.hdfs.protocol.CachePoolStats
 
getBytesOverlimit() - Method in class org.apache.hadoop.hdfs.protocol.CachePoolStats
 
getBytesPerChecksum() - Method in class org.apache.hadoop.fs.FsServerDefaults
 
getBytesPerSum() - Method in class org.apache.hadoop.fs.ChecksumFileSystem
返回每个校验和的字节数。
getBytesRead() - Method in interface org.apache.hadoop.io.compress.Compressor
返回目前为止输入的未压缩字节数。
getBytesWritten() - Method in interface org.apache.hadoop.io.compress.Compressor
返回目前为止输出的压缩字节数。
getCacheArchives() - Method in interface org.apache.hadoop.mapreduce.JobContext
获取配置中设置的缓存归档文件
getCachedHosts() - Method in class org.apache.hadoop.fs.BlockLocation
获取托管块缓存副本的主机(主机名)列表。
getCacheFiles() - Method in interface org.apache.hadoop.mapreduce.JobContext
获取配置中设置的缓存文件集
getCachePoolDefault() - Static method in class org.apache.hadoop.fs.permission.FsPermission
获取缓存池的默认权限。
getCallbackHandler() - Method in class org.apache.hadoop.yarn.client.api.async.NMClientAsync
 
getCallId() - Static method in class org.apache.hadoop.ipc.Client
 
getCallId() - Static method in class org.apache.hadoop.ipc.Server
返回当前活跃RPC调用的序列ID号。
getCallQueueLen() - Method in class org.apache.hadoop.ipc.Server
队列中的RPC调用数量。
getCallRetryCount() - Static method in class org.apache.hadoop.ipc.Server
 
getCandidateTokensForCleanup() - Method in class org.apache.hadoop.security.token.delegation.AbstractDelegationTokenSecretManager
 
getCanonicalServiceName() - Method in class org.apache.hadoop.fs.AbstractFileSystem
获取该文件系统的规范名称。
getCanonicalServiceName() - Method in class org.apache.hadoop.fs.azure.NativeAzureFileSystem
如果 fs.azure.override.canonical.service.name 设置为 true,则返回 WASB 文件系统的 URI,否则使用默认实现。
getCanonicalServiceName() - Method in class org.apache.hadoop.fs.FileSystem
获取此文件系统的规范服务名称。
getCanonicalUri() - Method in class org.apache.hadoop.fs.FileSystem
返回此文件系统URI的规范化形式。
getCanonicalUri() - Method in class org.apache.hadoop.fs.FilterFileSystem
 
getCapability() - Method in class org.apache.hadoop.yarn.api.records.ContainerStatus
Get the Resource allocated to the container.
getCapability() - Method in class org.apache.hadoop.yarn.api.records.NodeReport
Get the total Resource on the node.
getCapability() - Method in class org.apache.hadoop.yarn.api.records.ReservationRequest
Get the Resource capability of the request.
getCapability() - Method in class org.apache.hadoop.yarn.api.records.ResourceAllocationRequest
获取已分配的资源。
getCapability() - Method in class org.apache.hadoop.yarn.api.records.ResourceRequest
Get the Resource capability of the request.
getCapability() - Method in class org.apache.hadoop.yarn.api.records.UpdateContainerRequest
Get the Resource capability of the request.
getCapacity() - Method in class org.apache.hadoop.fs.FsStatus
返回文件系统的容量(以字节为单位)。
getCapacity() - Method in class org.apache.hadoop.io.BytesWritable
获取容量,即在不调整后备存储大小的情况下可处理的最大尺寸。
getCapacity() - Method in class org.apache.hadoop.record.Buffer
Deprecated.
获取容量,即在不调整后备存储大小的情况下可处理的最大数量。
getCapacity() - Method in class org.apache.hadoop.yarn.api.records.QueueInfo
Get the configured capacity of the queue.
getCause() - Method in exception org.apache.hadoop.fs.s3a.AWSS3IOException
 
getCause() - Method in exception org.apache.hadoop.fs.s3a.AWSServiceIOException
 
getCheckProcessIsAliveCommand(String) - Static method in class org.apache.hadoop.util.Shell
返回一个用于检查指定pid进程是否存活的命令。
getChecksum(Configuration) - Static method in class org.apache.hadoop.yarn.sharedcache.SharedCacheChecksumFactory
Get a new SharedCacheChecksum object based on the configurable algorithm implementation (see yarn.sharedcache.checksum.algo.impl).
getChecksumFile(Path) - Method in class org.apache.hadoop.fs.ChecksumFileSystem
返回与文件关联的校验和文件的名称。
getChecksumFileLength(Path, long) - Method in class org.apache.hadoop.fs.ChecksumFileSystem
根据实际文件的大小返回校验和文件的长度。
getChecksumLength(long, int) - Static method in class org.apache.hadoop.fs.ChecksumFileSystem
计算校验和文件的字节长度。
getChecksumOpt() - Method in class org.apache.hadoop.fs.FileChecksum
 
getChecksumOpt() - Method in class org.apache.hadoop.fs.FSDataOutputStreamBuilder
 
getChecksumOpt() - Method in class org.apache.hadoop.fs.impl.MultipartUploaderBuilderImpl
 
getChecksumType() - Method in class org.apache.hadoop.fs.FsServerDefaults
 
getChildFileSystems() - Method in class org.apache.hadoop.fs.FilterFileSystem
 
getChildFileSystems() - Method in class org.apache.hadoop.fs.viewfs.ViewFileSystem
 
getChildQueueInfos(String) - Method in class org.apache.hadoop.yarn.client.api.YarnClient
Get information (QueueInfo) about all the immediate children queues of the given queue
getChildQueues(String) - Method in class org.apache.hadoop.mapred.JobClient
返回一个关于队列queueName的直接子队列信息的对象数组。
getChildQueues(String) - Method in class org.apache.hadoop.mapreduce.集群
返回queueName的直接子队列。
getChildQueues() - Method in class org.apache.hadoop.yarn.api.records.QueueInfo
Get the child queues of the queue.
getChildren(TreePath, long, TreeWalk.TreeIterator) - Method in class org.apache.hadoop.hdfs.server.namenode.FSTreeWalk
 
getChildren(TreePath, long, TreeWalk.TreeIterator) - Method in class org.apache.hadoop.hdfs.server.namenode.TreeWalk
 
getChildren() - Method in class org.apache.hadoop.mapred.JobQueueInfo
 
getChildren() - Method in class org.apache.hadoop.yarn.api.records.timelineservice.HierarchicalTimelineEntity
 
getClass(String, Class) - Method in class org.apache.hadoop.conf.配置
Get the value of the name property as a Class.
getClass(String, Class, Class) - Method in class org.apache.hadoop.conf.配置
Get the value of the name property as a Class implementing the interface specified by xface.
getClass(byte) - Method in class org.apache.hadoop.io.AbstractMapWritable
指定ID对应的类类。
getClass(T) - Static method in class org.apache.hadoop.util.ReflectionUtils
Return the correctly-typed Class of the given object.
getClassByName(String) - Method in class org.apache.hadoop.conf.配置
按名称加载类。
getClassByNameOrNull(String) - Method in class org.apache.hadoop.conf.配置
按名称加载类,如果无法加载则返回null,而不是抛出异常。
getClasses(String, Class...) - Method in class org.apache.hadoop.conf.配置
Get the value of the name property as an array of Class.
getClassLoader() - Method in class org.apache.hadoop.conf.配置
Get the ClassLoader for this job.
getCleanupProgress() - Method in class org.apache.hadoop.mapreduce.JobStatus
 
getCleanupTaskReports(JobID) - Method in class org.apache.hadoop.mapred.JobClient
获取作业清理任务当前状态的信息。
getClient() - Method in class org.apache.hadoop.fs.azurebfs.AzureBlobFileSystemStore
 
getClient() - Method in class org.apache.hadoop.yarn.client.api.async.NMClientAsync
 
getClientAcls() - Method in class org.apache.hadoop.registry.client.impl.zk.RegistryOperationsService
获取客户端在创建目录时应使用的ACL聚合集
getClientId() - Static method in class org.apache.hadoop.ipc.Server
 
getClientName() - Method in class org.apache.hadoop.yarn.security.client.ClientToAMTokenIdentifier
 
getClientPrincipal(Class, Configuration) - Static method in class org.apache.hadoop.security.SecurityUtil
查找给定协议的客户端主体。
getClientResponseFromTimelineReader(Configuration, String) - Method in class org.apache.hadoop.yarn.client.cli.LogsCLI
 
getClientRMFailoverProxyProvider(YarnConfiguration, Class) - Static method in class org.apache.hadoop.yarn.client.ClientRMProxy
 
getClientToAMToken() - Method in class org.apache.hadoop.yarn.api.records.ApplicationReport
Get the client token for communicating with the ApplicationMaster.
getClientToAMTokenMasterKey() - Method in class org.apache.hadoop.yarn.api.protocolrecords.RegisterApplicationMasterResponse
获取ClientToAMToken主密钥。
getCluster() - Method in class org.apache.hadoop.yarn.api.records.timelineservice.FlowActivityEntity
 
getClusterAttributes() - Method in class org.apache.hadoop.yarn.client.api.YarnClient
客户端用于获取集群中节点属性的接口。
getClusterHandle() - Method in class org.apache.hadoop.mapred.JobClient
获取集群的句柄
getClusterIds() - Method in interface org.apache.hadoop.hdfs.qjournal.server.JournalNodeMXBean
获取JournalNode日志的集群列表,因为一个JournalNode可能支持多个集群。
getClusterMetrics(GetClusterMetricsRequest) - Method in interface org.apache.hadoop.yarn.api.ApplicationClientProtocol
The interface used by clients to get metrics about the cluster from the ResourceManager.
getClusterMetrics() - Method in class org.apache.hadoop.yarn.api.protocolrecords.GetClusterMetricsResponse
Get the YarnClusterMetrics for the cluster.
GetClusterMetricsRequest - Class in org.apache.hadoop.yarn.api.protocolrecords
The request sent by clients to get cluster metrics from the ResourceManager.
GetClusterMetricsRequest() - Constructor for class org.apache.hadoop.yarn.api.protocolrecords.GetClusterMetricsRequest
 
GetClusterMetricsResponse - Class in org.apache.hadoop.yarn.api.protocolrecords
The response sent by the ResourceManager to a client requesting cluster metrics.
GetClusterMetricsResponse() - Constructor for class org.apache.hadoop.yarn.api.protocolrecords.GetClusterMetricsResponse
 
getClusterNodeAttributes(GetClusterNodeAttributesRequest) - Method in interface org.apache.hadoop.yarn.api.ApplicationClientProtocol
客户端用于获取ResourceManager中可用节点属性的接口。
GetClusterNodeAttributesRequest - Class in org.apache.hadoop.yarn.api.protocolrecords
The request from clients to get node attributes in the cluster from the ResourceManager.
GetClusterNodeAttributesRequest() - Constructor for class org.apache.hadoop.yarn.api.protocolrecords.GetClusterNodeAttributesRequest
 
GetClusterNodeAttributesResponse - Class in org.apache.hadoop.yarn.api.protocolrecords
The response sent by the ResourceManager to a client requesting a node attributes in cluster.
GetClusterNodeAttributesResponse() - Constructor for class org.apache.hadoop.yarn.api.protocolrecords.GetClusterNodeAttributesResponse
 
getClusterNodeCount() - Method in class org.apache.hadoop.yarn.client.api.AMRMClient
获取集群中当前的节点数量。
getClusterNodeCount() - Method in class org.apache.hadoop.yarn.client.api.async.AMRMClientAsync
获取集群中当前的节点数量。
getClusterNodeLabels(GetClusterNodeLabelsRequest) - Method in interface org.apache.hadoop.yarn.api.ApplicationClientProtocol
客户端用于获取集群中节点标签的接口
getClusterNodeLabels() - Method in class org.apache.hadoop.yarn.client.api.YarnClient
客户端用于获取集群中节点标签的接口
GetClusterNodeLabelsRequest - Class in org.apache.hadoop.yarn.api.protocolrecords
 
GetClusterNodeLabelsRequest() - Constructor for class org.apache.hadoop.yarn.api.protocolrecords.GetClusterNodeLabelsRequest
 
GetClusterNodeLabelsResponse - Class in org.apache.hadoop.yarn.api.protocolrecords
 
GetClusterNodeLabelsResponse() - Constructor for class org.apache.hadoop.yarn.api.protocolrecords.GetClusterNodeLabelsResponse
 
getClusterNodes(GetClusterNodesRequest) - Method in interface org.apache.hadoop.yarn.api.ApplicationClientProtocol
The interface used by clients to get a report of all nodes in the cluster from the ResourceManager.
GetClusterNodesRequest - Class in org.apache.hadoop.yarn.api.protocolrecords
The request from clients to get a report of all nodes in the cluster from the ResourceManager.
GetClusterNodesRequest() - Constructor for class org.apache.hadoop.yarn.api.protocolrecords.GetClusterNodesRequest
 
GetClusterNodesResponse - Class in org.apache.hadoop.yarn.api.protocolrecords
The response sent by the ResourceManager to a client requesting a NodeReport for all nodes.
GetClusterNodesResponse() - Constructor for class org.apache.hadoop.yarn.api.protocolrecords.GetClusterNodesResponse
 
getClusterStatus() - Method in class org.apache.hadoop.mapred.JobClient
获取有关Map-Reduce集群的状态信息。
getClusterStatus(boolean) - Method in class org.apache.hadoop.mapred.JobClient
获取有关Map-Reduce集群的状态信息。
getClusterStatus() - Method in class org.apache.hadoop.mapreduce.集群
获取当前集群状态。
getClusterTimestamp() - Method in class org.apache.hadoop.yarn.api.records.ApplicationId
Get the start time of the ResourceManager which is used to generate globally unique ApplicationId.
getClusterTimestamp() - Method in class org.apache.hadoop.yarn.api.records.ReservationId
Get the start time of the ResourceManager which is used to generate globally unique ReservationId.
getClusterUsagePercentage() - Method in class org.apache.hadoop.yarn.api.records.ApplicationResourceUsageReport
获取应用程序正在使用的集群资源百分比。
getCode() - Method in class org.apache.hadoop.yarn.service.api.records.错误
 
getCode() - Method in class org.apache.hadoop.yarn.service.api.records.ServiceStatus
 
getCodec(Path) - Method in class org.apache.hadoop.io.compress.CompressionCodecFactory
根据给定文件的文件名后缀查找相关的压缩编解码器。
getCodecByClassName(String) - Method in class org.apache.hadoop.io.compress.CompressionCodecFactory
查找编解码器规范类名对应的相关压缩编解码器。
getCodecByName(String) - Method in class org.apache.hadoop.io.compress.CompressionCodecFactory
根据编解码器的规范类名或编解码器别名查找相关的压缩编解码器。
getCodecClassByName(String) - Method in class org.apache.hadoop.io.compress.CompressionCodecFactory
根据编解码器的规范类名或编解码器别名查找相关的压缩编解码器,并返回其实现类。
getCodecClasses(Configuration) - Static method in class org.apache.hadoop.io.compress.CompressionCodecFactory
获取通过Java ServiceLoader发现的编解码器列表,或在配置中列出的编解码器。
getCodecName() - Method in class org.apache.hadoop.io.erasurecode.ECSchema
获取编解码器名称
getCollector(String, Reporter) - Method in class org.apache.hadoop.mapred.lib.MultipleOutputs
获取指定命名输出的收集器。
getCollector(String, String, Reporter) - Method in class org.apache.hadoop.mapred.lib.MultipleOutputs
获取多命名输出的输出收集器。
getCollectorAddr() - Method in class org.apache.hadoop.yarn.api.records.CollectorInfo
 
getCollectorInfo() - Method in class org.apache.hadoop.yarn.api.protocolrecords.AllocateResponse
与该应用所属收集器关联的数据。
getCollectorToken() - Method in class org.apache.hadoop.yarn.api.records.CollectorInfo
获取应用收集器的委托令牌,AM将使用该令牌发布实体。
getCombinerClass() - Method in class org.apache.hadoop.mapred.JobConf
Get the user-defined combiner class used to combine map-outputs before being sent to the reducers.
getCombinerClass() - Method in interface org.apache.hadoop.mapreduce.JobContext
获取作业的合并器类。
getCombinerKeyGroupingComparator() - Method in class org.apache.hadoop.mapred.JobConf
Get the user defined WritableComparable comparator for grouping keys of inputs to the combiner.
getCombinerKeyGroupingComparator() - Method in interface org.apache.hadoop.mapreduce.JobContext
Get the user defined RawComparator comparator for grouping keys of inputs to the combiner.
getCombinerOutput() - Method in class org.apache.hadoop.mapreduce.lib.aggregate.DoubleValueSum
 
getCombinerOutput() - Method in class org.apache.hadoop.mapreduce.lib.aggregate.LongValueMax
 
getCombinerOutput() - Method in class org.apache.hadoop.mapreduce.lib.aggregate.LongValueMin
 
getCombinerOutput() - Method in class org.apache.hadoop.mapreduce.lib.aggregate.LongValueSum
 
getCombinerOutput() - Method in class org.apache.hadoop.mapreduce.lib.aggregate.StringValueMax
 
getCombinerOutput() - Method in class org.apache.hadoop.mapreduce.lib.aggregate.StringValueMin
 
getCombinerOutput() - Method in class org.apache.hadoop.mapreduce.lib.aggregate.UniqValueCount
 
getCombinerOutput() - Method in interface org.apache.hadoop.mapreduce.lib.aggregate.ValueAggregator
 
getCombinerOutput() - Method in class org.apache.hadoop.mapreduce.lib.aggregate.ValueHistogram
 
getCommand() - Method in class org.apache.hadoop.yarn.api.protocolrecords.SignalContainerRequest
Get the SignalContainerCommand of the signal request.
getCommands() - Method in class org.apache.hadoop.yarn.api.records.ContainerLaunchContext
Get the list of commands for launching the container.
getCommittedTaskPath(TaskAttemptContext) - Method in class org.apache.hadoop.mapreduce.lib.output.FileOutputCommitter
计算已提交任务输出存储的路径,直到整个作业提交完成。
getCommittedTaskPath(TaskAttemptContext, Path) - Static method in class org.apache.hadoop.mapreduce.lib.output.FileOutputCommitter
 
getCommittedTaskPath(int, TaskAttemptContext) - Method in class org.apache.hadoop.mapreduce.lib.output.FileOutputCommitter
计算已提交任务输出结果的存储路径,该路径将保留至整个作业针对特定应用程序尝试提交完成。
getCommittedTaskPath(int, TaskAttemptContext) - Method in class org.apache.hadoop.mapreduce.lib.output.PartialFileOutputCommitter
 
getCommitter() - Method in class org.apache.hadoop.mapreduce.lib.output.BindingPathOutputCommitter
获取内部提交器。
getCommitter() - Method in class org.apache.hadoop.mapreduce.lib.output.committer.manifest.files.ManifestSuccessData
 
getCommitterFactory(Path, Configuration) - Static method in class org.apache.hadoop.mapreduce.lib.output.PathOutputCommitterFactory
获取配置的提交器工厂。
getComparator() - Method in class org.apache.hadoop.mapred.join.CompositeRecordReader
返回定义此复合记录读取器排序的比较器。
getComparator() - Method in class org.apache.hadoop.mapreduce.lib.join.CompositeRecordReader
返回定义此复合记录读取器排序的比较器。
getCompilePlatform() - Static method in class org.apache.hadoop.util.VersionInfo
返回用于构建的操作系统平台。
getCompletedContainersStatuses() - Method in class org.apache.hadoop.yarn.api.protocolrecords.AllocateResponse
Get the list of completed containers' statuses.
getCompletionPollInterval(Configuration) - Static method in class org.apache.hadoop.mapreduce.Job
waitForCompletion() 应该检查的时间间隔。
getComponent(String) - Method in class org.apache.hadoop.yarn.service.api.records.Service
 
getComponentInstance(String) - Method in class org.apache.hadoop.yarn.service.api.records.组件
 
getComponentInstanceName() - Method in class org.apache.hadoop.yarn.service.api.records.Container
 
getComponentName() - Method in class org.apache.hadoop.yarn.service.api.records.ComponentContainers
 
getComponents() - Method in class org.apache.hadoop.yarn.service.api.records.Service
 
getComponentType() - Method in class org.apache.hadoop.io.ArrayPrimitiveWritable
 
getCompressedData() - Method in class org.apache.hadoop.io.compress.BlockDecompressorStream
 
getCompressedData() - Method in class org.apache.hadoop.io.compress.DecompressorStream
 
getCompressMapOutput() - Method in class org.apache.hadoop.mapred.JobConf
map的输出是否会被压缩?
getCompressor(CompressionCodec, Configuration) - Static method in class org.apache.hadoop.io.compress.CodecPool
Get a Compressor for the given CompressionCodec from the pool or a new one.
getCompressor(CompressionCodec) - Static method in class org.apache.hadoop.io.compress.CodecPool
 
getCompressorType() - Method in class org.apache.hadoop.io.compress.BZip2Codec
Get the type of Compressor needed by this CompressionCodec.
getCompressorType() - Method in interface org.apache.hadoop.io.compress.CompressionCodec
Get the type of Compressor needed by this CompressionCodec.
getCompressorType() - Method in class org.apache.hadoop.io.compress.DefaultCodec
 
getCompressorType() - Method in class org.apache.hadoop.io.compress.GzipCodec
 
getCompressorType() - Method in class org.apache.hadoop.io.compress.PassthroughCodec
 
getCompressOutput(JobConf) - Static method in class org.apache.hadoop.mapred.FileOutputFormat
作业输出是否经过压缩?
getCompressOutput(JobContext) - Static method in class org.apache.hadoop.mapreduce.lib.output.FileOutputFormat
作业输出是否经过压缩?
getConcurrency() - Method in class org.apache.hadoop.yarn.api.records.ReservationRequest
获取需要并发调度的容器数量。
getConditions() - Method in class org.apache.hadoop.mapreduce.lib.db.DBRecordReader
 
getConf() - Method in interface org.apache.hadoop.conf.可配置
返回该对象使用的配置。
getConf() - Method in class org.apache.hadoop.conf.已配置
 
getConf() - Method in class org.apache.hadoop.crypto.key.KeyProvider
返回提供者配置。
getConf() - Method in class org.apache.hadoop.fs.FilterFileSystem
 
getConf(Configuration, StorageType, String) - Static method in enum org.apache.hadoop.fs.StorageType
获取不同存储类型的配置值。
getConf() - Method in class org.apache.hadoop.hdfs.server.aliasmap.InMemoryAliasMap
 
getConf() - Method in class org.apache.hadoop.hdfs.server.common.blockaliasmap.impl.LevelDBFileRegionAliasMap
 
getConf() - Method in class org.apache.hadoop.hdfs.server.common.blockaliasmap.impl.TextFileRegionAliasMap
 
getConf() - Method in class org.apache.hadoop.hdfs.server.federation.store.driver.StateStoreDriver
获取状态存储配置。
getConf() - Method in class org.apache.hadoop.hdfs.server.namenode.FileSystemImage
 
getConf() - Method in class org.apache.hadoop.hdfs.server.namenode.FixedBlockResolver
 
getConf() - Method in class org.apache.hadoop.hdfs.server.namenode.SingleUGIResolver
 
getConf() - Method in class org.apache.hadoop.hdfs.web.oauth2.AccessTokenProvider
返回配置。
getConf() - Method in class org.apache.hadoop.io.AbstractMapWritable
 
getConf() - Method in class org.apache.hadoop.io.compress.BZip2Codec
返回该对象使用的配置。
getConf() - Method in class org.apache.hadoop.io.compress.DefaultCodec
 
getConf() - Method in class org.apache.hadoop.io.compress.PassthroughCodec
 
getConf() - Method in class org.apache.hadoop.io.EnumSetWritable
 
getConf() - Method in class org.apache.hadoop.io.GenericWritable
 
getConf() - Method in class org.apache.hadoop.io.ObjectWritable
 
getConf() - Method in class org.apache.hadoop.io.WritableComparator
 
getConf() - Method in class org.apache.hadoop.mapred.join.CompositeRecordReader
返回该对象使用的配置。
getConf() - Method in class org.apache.hadoop.mapred.join.WrappedRecordReader
 
getConf() - Method in class org.apache.hadoop.mapreduce.lib.db.DBConfiguration
 
getConf() - Method in class org.apache.hadoop.mapreduce.lib.db.DBInputFormat
 
getConf() - Method in class org.apache.hadoop.mapreduce.lib.join.CompositeRecordReader
返回该对象使用的配置。
getConf() - Method in class org.apache.hadoop.mapreduce.lib.output.committer.manifest.ManifestCommitter
获取构建此实例时任务尝试的配置。
getConf() - Method in class org.apache.hadoop.mapreduce.lib.partition.BinaryPartitioner
 
getConf() - Method in class org.apache.hadoop.mapreduce.lib.partition.KeyFieldBasedComparator
 
getConf() - Method in class org.apache.hadoop.mapreduce.lib.partition.KeyFieldBasedPartitioner
 
getConf() - Method in class org.apache.hadoop.mapreduce.lib.partition.TotalOrderPartitioner
 
getConf() - Method in class org.apache.hadoop.net.AbstractDNSToSwitchMapping
 
getConf() - Method in class org.apache.hadoop.net.ScriptBasedMapping
 
getConf() - Method in class org.apache.hadoop.net.SocksSocketFactory
 
getConf() - Method in class org.apache.hadoop.net.TableMapping
 
getConf() - Method in class org.apache.hadoop.security.authorize.DefaultImpersonationProvider
 
getConfig() - Method in class org.apache.hadoop.service.AbstractService
 
getConfig() - Method in interface org.apache.hadoop.service.Service
获取此服务的配置。
getConfigs() - Method in class org.apache.hadoop.yarn.api.records.timelineservice.TimelineEntity
 
getConfiguration() - Method in interface org.apache.hadoop.mapred.RunningJob
获取底层作业配置
getConfiguration() - Method in interface org.apache.hadoop.mapreduce.JobContext
返回作业的配置。
getConfiguration() - Method in class org.apache.hadoop.yarn.service.api.records.组件
 
getConfiguration() - Method in class org.apache.hadoop.yarn.service.api.records.Service
 
getConfResourceAsInputStream(String) - Method in class org.apache.hadoop.conf.配置
Get an input stream attached to the configuration resource with the given name.
getConfResourceAsReader(String) - Method in class org.apache.hadoop.conf.配置
Get a Reader attached to the configuration resource with the given name.
getConnection() - Method in class org.apache.hadoop.mapreduce.lib.db.DBConfiguration
返回一个数据库连接对象
getConnection() - Method in class org.apache.hadoop.mapreduce.lib.db.DBInputFormat
 
getConnection() - Method in class org.apache.hadoop.mapreduce.lib.db.DBRecordReader
 
getConstraintExpr() - Method in class org.apache.hadoop.yarn.api.resource.PlacementConstraint
获取放置约束的约束表达式。
getConstraints() - Method in class org.apache.hadoop.yarn.service.api.records.PlacementPolicy
 
getContainer() - Method in class org.apache.hadoop.yarn.api.records.UpdatedContainer
Get the Container.
getContainer(String) - Method in class org.apache.hadoop.yarn.service.api.records.组件
 
getContainerEntities(ApplicationId, String, Map, long, String) - Method in class org.apache.hadoop.yarn.client.api.impl.TimelineReaderClientImpl
 
getContainerEntities(ApplicationId, String, Map, long, String) - Method in class org.apache.hadoop.yarn.client.api.TimelineReaderClient
获取应用程序的容器实体。
getContainerEntity(ContainerId, String, Map) - Method in class org.apache.hadoop.yarn.client.api.impl.TimelineReaderClientImpl
 
getContainerEntity(ContainerId, String, Map) - Method in class org.apache.hadoop.yarn.client.api.TimelineReaderClient
获取容器的Timeline实体。
getContainerExitStatus() - Method in class org.apache.hadoop.yarn.api.records.ContainerReport
Get the final exit status of the container.
getContainerId() - Method in class org.apache.hadoop.yarn.api.protocolrecords.GetContainerReportRequest
Get the ContainerId of the Container.
getContainerId() - Method in class org.apache.hadoop.yarn.api.protocolrecords.ReInitializeContainerRequest
Get the ContainerId of the container to re-initialize.
getContainerId() - Method in class org.apache.hadoop.yarn.api.protocolrecords.ResourceLocalizationRequest
Get the ContainerId of the container to localize resources.
getContainerId() - Method in class org.apache.hadoop.yarn.api.protocolrecords.SignalContainerRequest
Get the ContainerId of the container to signal.
getContainerId() - Method in class org.apache.hadoop.yarn.api.records.ContainerId
Get the identifier of the ContainerId.
getContainerId() - Method in class org.apache.hadoop.yarn.api.records.ContainerReport
Get the ContainerId of the container.
getContainerId() - Method in class org.apache.hadoop.yarn.api.records.ContainerStatus
Get the ContainerId of the container.
getContainerId() - Method in class org.apache.hadoop.yarn.api.records.UpdateContainerRequest
Get the ContainerId of the container.
getContainerID() - Method in class org.apache.hadoop.yarn.security.ContainerTokenIdentifier
 
getContainerIds() - Method in class org.apache.hadoop.yarn.api.protocolrecords.GetContainerStatusesRequest
Get the list of ContainerIds of containers for which to obtain the ContainerStatus.
getContainerIds() - Method in class org.apache.hadoop.yarn.api.protocolrecords.GetLocalizationStatusesRequest
获取需要本地化状态的容器的容器ID列表。
getContainerIds() - Method in class org.apache.hadoop.yarn.api.protocolrecords.StopContainersRequest
Get the ContainerIds of the containers to be stopped.
getContainerLaunchContext() - Method in class org.apache.hadoop.yarn.api.protocolrecords.ReInitializeContainerRequest
Get the ContainerLaunchContext to re-initialize the container with.
getContainerLaunchContext() - Method in class org.apache.hadoop.yarn.api.protocolrecords.StartContainerRequest
Get the ContainerLaunchContext for the container to be started by the NodeManager.
getContainerList() - Method in class org.apache.hadoop.yarn.api.protocolrecords.GetContainersResponse
Get a list of ContainerReport for all the containers of an application attempt.
getContainerLogDir() - Method in class org.apache.hadoop.yarn.ContainerLogAppender
用于log4j的Getter/Setter方法。
getContainerLogDir() - Method in class org.apache.hadoop.yarn.ContainerRollingLogAppender
用于log4j的Getter/Setter方法。
getContainerLogFile() - Method in class org.apache.hadoop.yarn.ContainerLogAppender
 
getContainerLogFile() - Method in class org.apache.hadoop.yarn.ContainerRollingLogAppender
 
getContainerReport() - Method in class org.apache.hadoop.yarn.api.protocolrecords.GetContainerReportResponse
Get the ContainerReport for the container.
getContainerReport(ContainerId) - Method in class org.apache.hadoop.yarn.client.api.AHSClient
获取指定容器的报告。
getContainerReport(ContainerId) - Method in class org.apache.hadoop.yarn.client.api.YarnClient
获取指定容器的报告。
GetContainerReportRequest - Class in org.apache.hadoop.yarn.api.protocolrecords
The request sent by a client to the ResourceManager to get an ContainerReport for a container.
GetContainerReportRequest() - Constructor for class org.apache.hadoop.yarn.api.protocolrecords.GetContainerReportRequest
 
GetContainerReportResponse - Class in org.apache.hadoop.yarn.api.protocolrecords
The response sent by the ResourceManager to a client requesting a container report.
GetContainerReportResponse() - Constructor for class org.apache.hadoop.yarn.api.protocolrecords.GetContainerReportResponse
 
getContainerRetryContext() - Method in class org.apache.hadoop.yarn.api.records.ContainerLaunchContext
Get the ContainerRetryContext to relaunch container.
getContainers() - Method in class org.apache.hadoop.yarn.api.records.PreemptionContract
Assign the set of PreemptionContainer specifying which containers owned by the ApplicationMaster that may be reclaimed by the ResourceManager.
getContainers() - Method in class org.apache.hadoop.yarn.api.records.StrictPreemptionContract
Get the set of PreemptionContainer specifying containers owned by the ApplicationMaster that may be reclaimed by the ResourceManager.
getContainers(ApplicationAttemptId) - Method in class org.apache.hadoop.yarn.client.api.AHSClient
获取集群中ApplicationAttempt的所有(容器)报告。
getContainers(ApplicationAttemptId) - Method in class org.apache.hadoop.yarn.client.api.YarnClient
获取集群中ApplicationAttempt的所有(容器)报告。
getContainers() - Method in class org.apache.hadoop.yarn.service.api.records.组件
 
getContainers() - Method in class org.apache.hadoop.yarn.service.api.records.ComponentContainers
返回该组件的容器。
getContainers(String, List, String, List) - Method in class org.apache.hadoop.yarn.service.client.ServiceClient
 
getContainersFromPreviousAttempts() - Method in class org.apache.hadoop.yarn.api.protocolrecords.AllocateResponse
Get the list of running containers as viewed by ResourceManager from previous application attempts which have not been reported to the Application Master yet.
getContainersFromPreviousAttempts() - Method in class org.apache.hadoop.yarn.api.protocolrecords.RegisterApplicationMasterResponse
Get the list of running containers as viewed by ResourceManager from previous application attempts.
GetContainersRequest - Class in org.apache.hadoop.yarn.api.protocolrecords
The request from clients to get a list of container reports, which belong to an application attempt from the ResourceManager.
GetContainersRequest() - Constructor for class org.apache.hadoop.yarn.api.protocolrecords.GetContainersRequest
 
GetContainersResponse - Class in org.apache.hadoop.yarn.api.protocolrecords
The response sent by the ResourceManager to a client requesting a list of ContainerReport for containers.
GetContainersResponse() - Constructor for class org.apache.hadoop.yarn.api.protocolrecords.GetContainersResponse
 
getContainerState() - Method in class org.apache.hadoop.yarn.api.records.ContainerReport
Get the final ContainerState of the container.
getContainerStatus(ContainerId, NodeId) - Method in class org.apache.hadoop.yarn.client.api.NMClient
查询容器的状态。
getContainerStatusAsync(ContainerId, NodeId) - Method in class org.apache.hadoop.yarn.client.api.async.NMClientAsync
 
getContainerStatuses(GetContainerStatusesRequest) - Method in interface org.apache.hadoop.yarn.api.ContainerManagementProtocol
The API used by the ApplicationMaster to request for current statuses of Containers from the NodeManager.
getContainerStatuses() - Method in class org.apache.hadoop.yarn.api.protocolrecords.GetContainerStatusesResponse
Get the ContainerStatuses of the requested containers.
GetContainerStatusesRequest - Class in org.apache.hadoop.yarn.api.protocolrecords
The request sent by the ApplicationMaster to the NodeManager to get ContainerStatus of requested containers.
GetContainerStatusesRequest() - Constructor for class org.apache.hadoop.yarn.api.protocolrecords.GetContainerStatusesRequest
 
GetContainerStatusesResponse - Class in org.apache.hadoop.yarn.api.protocolrecords
The response sent by the NodeManager to the ApplicationMaster when asked to obtain the ContainerStatus of requested containers.
GetContainerStatusesResponse() - Constructor for class org.apache.hadoop.yarn.api.protocolrecords.GetContainerStatusesResponse
 
getContainersToIncrease() - Method in class org.apache.hadoop.yarn.api.protocolrecords.IncreaseContainersResourceRequest
获取容器令牌列表,用于在增加容器资源时进行授权。
getContainersToUpdate() - Method in class org.apache.hadoop.yarn.api.protocolrecords.ContainerUpdateRequest
获取容器令牌列表,用于在容器资源更新期间进行授权。
getContainerToken() - Method in class org.apache.hadoop.yarn.api.protocolrecords.StartContainerRequest
获取容器令牌,用于在启动容器期间进行授权。
getContainerToken() - Method in class org.apache.hadoop.yarn.api.records.Container
Get the ContainerToken for the container.
getContainerType() - Method in class org.apache.hadoop.yarn.security.ContainerTokenIdentifier
获取待分配容器的ContainerType。
getContainerUpdateType() - Method in class org.apache.hadoop.yarn.api.records.UpdateContainerRequest
Get the ContainerUpdateType of the container.
getContainerVersion() - Method in class org.apache.hadoop.yarn.api.records.UpdateContainerRequest
Get the ContainerId of the container.
getContent() - Method in class org.apache.hadoop.yarn.api.records.timeline.TimelineDelegationTokenResponse
 
getContentSummary(Path) - Method in class org.apache.hadoop.fs.adl.AdlFileSystem
Return the ContentSummary of a given Path.
getContentSummary(Path) - Method in class org.apache.hadoop.fs.FileSystem
Return the ContentSummary of a given Path.
getContentSummary(Path) - Method in class org.apache.hadoop.fs.viewfs.ViewFileSystem
 
getContext() - Method in class org.apache.hadoop.ipc.CallerContext
 
getContext() - Method in class org.apache.hadoop.tools.DistCp
返回上下文。
getContract() - Method in class org.apache.hadoop.yarn.api.records.PreemptionMessage
 
getCopyBufferSize() - Method in class org.apache.hadoop.tools.DistCpOptions
 
getCopyStrategy() - Method in class org.apache.hadoop.tools.DistCpOptions
 
getCorruptBlockGroups() - Method in class org.apache.hadoop.hdfs.protocol.ECBlockGroupStats
 
getCorruptBlocks() - Method in class org.apache.hadoop.hdfs.protocol.ReplicatedBlockStats
 
getCount() - Method in class org.apache.hadoop.fs.statistics.DurationStatisticSummary
 
getCount() - Method in class org.apache.hadoop.record.Buffer
Deprecated.
获取缓冲区的当前计数。
getCounter() - Method in class org.apache.hadoop.mapred.Counters.Counter
 
getCounter(Enum) - Method in class org.apache.hadoop.mapred.计数器
返回指定计数器的当前值,如果计数器不存在则返回0。
getCounter(String) - Method in class org.apache.hadoop.mapred.Counters.Group
 
getCounter(int, String) - Method in class org.apache.hadoop.mapred.Counters.Group
Deprecated.
getCounter(Counters, String, String) - Method in class org.apache.hadoop.mapred.JobClient
 
getCounter(Enum) - Method in interface org.apache.hadoop.mapred.Reporter
Get the Counters.Counter of the given group with the given name.
getCounter(String, String) - Method in interface org.apache.hadoop.mapred.Reporter
Get the Counters.Counter of the given group with the given name.
getCounter(Enum) - Method in interface org.apache.hadoop.mapreduce.TaskAttemptContext
Get the Counter for the given counterName.
getCounter(String, String) - Method in interface org.apache.hadoop.mapreduce.TaskAttemptContext
Get the Counter for the given groupName and counterName.
getCounter(Counters, String, String) - Method in class org.apache.hadoop.mapreduce.tools.CLI
 
getCounterForName(String) - Method in class org.apache.hadoop.mapred.Counters.Group
获取指定名称的计数器,如果不存在则创建它。
getCounters() - Method in interface org.apache.hadoop.mapred.RunningJob
获取此作业的计数器。
getCounters() - Method in class org.apache.hadoop.mapred.TaskReport
 
getCounters() - Method in class org.apache.hadoop.mapreduce.Job
获取此作业的计数器。
getCountersEnabled(JobConf) - Static method in class org.apache.hadoop.mapred.lib.MultipleOutputs
返回指定输出的计数器是否已启用。
getCountersEnabled(JobContext) - Static method in class org.apache.hadoop.mapreduce.lib.output.MultipleOutputs
返回指定输出的计数器是否已启用。
getCountQuery() - Method in class org.apache.hadoop.mapreduce.lib.db.DBInputFormat
返回用于获取总行数的查询,子类可以重写此方法以实现自定义行为。
getCPU() - Method in class org.apache.hadoop.yarn.api.records.ResourceUtilization
Get CPU utilization (The amount of vcores used).
getCpuFrequency() - Method in class org.apache.hadoop.util.SysInfo
获取系统上的CPU频率。
getCpus() - Method in class org.apache.hadoop.yarn.service.api.records.Resource
 
getCpuUsagePercent() - Method in class org.apache.hadoop.yarn.util.ResourceCalculatorProcessTree
获取进程树中所有进程的CPU使用率,基于采样间的平均值,作为与top命令类似的总体CPU周期比率。
getCpuUsagePercentage() - Method in class org.apache.hadoop.util.SysInfo
获取机器的CPU使用百分比。
getCreatedTime() - Method in class org.apache.hadoop.yarn.api.records.timeline.TimelineDomain
获取域名的创建时间
getCreatedTime() - Method in class org.apache.hadoop.yarn.api.records.timelineservice.TimelineDomain
获取域的创建时间。
getCreatedTime() - Method in class org.apache.hadoop.yarn.api.records.timelineservice.TimelineEntity
 
getCreationFallbacks() - Method in interface org.apache.hadoop.fs.BlockStoragePolicySpi
获取用于创建新块副本的回退存储类型。
getCreationTime() - Method in class org.apache.hadoop.yarn.api.records.ContainerReport
获取容器的创建时间。
getCreationTime() - Method in class org.apache.hadoop.yarn.security.ContainerTokenIdentifier
 
getCredential() - Method in class org.apache.hadoop.hdfs.web.oauth2.ConfCredentialBasedAccessTokenProvider
 
getCredential() - Method in class org.apache.hadoop.hdfs.web.oauth2.CredentialBasedAccessTokenProvider
 
getCredentialEntry(String) - Method in class org.apache.hadoop.security.alias.CredentialProvider
获取特定别名的凭据条目。
getCredentials() - Method in class org.apache.hadoop.mapred.JobConf
获取作业的凭据。
getCredentials() - Method in interface org.apache.hadoop.mapreduce.JobContext
获取作业的凭证。
getCredentials() - Method in class org.apache.hadoop.security.UserGroupInformation
获取与该用户关联的凭据形式的令牌。
getCtime() - Method in class org.apache.hadoop.hdfs.inotify.Event.CreateEvent
文件、目录或符号链接的创建时间。
getCumulativeCpuTime() - Method in class org.apache.hadoop.util.SysInfo
获取系统启动以来的累计CPU时间。
getCumulativeCpuTime() - Method in class org.apache.hadoop.yarn.util.ResourceCalculatorProcessTree
获取自进程树创建以来,该进程树中所有进程所使用的CPU时间(以毫秒为单位)
getCurCall() - Static method in class org.apache.hadoop.ipc.Server
 
getCurrent() - Static method in class org.apache.hadoop.ipc.CallerContext
 
getCurrentApplicationAttemptId() - Method in class org.apache.hadoop.yarn.api.records.ApplicationReport
Get the ApplicationAttemptId of the current attempt of the application
getCurrentBlock() - Method in class org.apache.hadoop.hdfs.client.HdfsDataInputStream
获取包含目标位置的块。
getCurrentBlockReplication() - Method in class org.apache.hadoop.hdfs.client.HdfsDataOutputStream
获取当前块的实际副本数量。
getCurrentCapacity() - Method in class org.apache.hadoop.yarn.api.records.QueueInfo
Get the current capacity of the queue.
getCurrentContainerVersion() - Method in class org.apache.hadoop.yarn.api.records.UpdateContainerError
获取当前容器版本。
getCurrentDatanode() - Method in class org.apache.hadoop.hdfs.client.HdfsDataInputStream
获取当前正在读取数据流的数据节点。
getCurrentKey(String) - Method in class org.apache.hadoop.crypto.key.KeyProvider
获取密钥的当前版本,该版本应用于加密新数据。
getCurrentKey() - Method in class org.apache.hadoop.mapreduce.lib.db.DBRecordReader
获取当前键值
getCurrentKey() - Method in class org.apache.hadoop.mapreduce.lib.input.CombineFileRecordReader
 
getCurrentKey() - Method in class org.apache.hadoop.mapreduce.lib.input.CombineFileRecordReaderWrapper
 
getCurrentKey() - Method in class org.apache.hadoop.mapreduce.lib.input.KeyValueLineRecordReader
 
getCurrentKey() - Method in class org.apache.hadoop.mapreduce.lib.input.SequenceFileAsTextRecordReader
 
getCurrentKey() - Method in class org.apache.hadoop.mapreduce.lib.input.SequenceFileRecordReader
 
getCurrentKey() - Method in class org.apache.hadoop.mapreduce.lib.join.CompositeRecordReader
 
getCurrentKey() - Method in class org.apache.hadoop.mapreduce.lib.join.WrappedRecordReader
获取当前键
getCurrentKey() - Method in class org.apache.hadoop.mapreduce.RecordReader
获取当前键值
getCurrentKey() - Method in interface org.apache.hadoop.mapreduce.TaskInputOutputContext
获取当前键。
getCurrentKeyId() - Method in class org.apache.hadoop.security.token.delegation.AbstractDelegationTokenSecretManager
对于将存储外部化的子类,例如基于Zookeeper的实现。
getCurrentMaximumDownloadBandwidth() - Method in class org.apache.hadoop.fs.azure.metrics.AzureFileSystemInstrumentation
获取当前的最大下载带宽。
getCurrentMaximumUploadBandwidth() - Method in class org.apache.hadoop.fs.azure.metrics.AzureFileSystemInstrumentation
获取当前最大上传带宽。
getCurrentState() - Method in exception org.apache.hadoop.yarn.state.InvalidStateTransitonException
Deprecated.
 
getCurrentState() - Method in interface org.apache.hadoop.yarn.state.StateMachine
 
getCurrentTokensSize() - Method in class org.apache.hadoop.security.token.delegation.AbstractDelegationTokenSecretManager
活跃委托令牌的总计数。
getCurrentTrashDir(Path) - Method in class org.apache.hadoop.fs.回收站
 
getCurrentTrashDir() - Method in class org.apache.hadoop.fs.TrashPolicy
获取垃圾回收策略的当前工作目录 当启用HDFS静态数据加密功能时,此API不适用于从加密区域删除的文件,因为不允许在加密区域之间或加密区域与非加密区域之间重命名文件。
getCurrentTrashDir(Path) - Method in class org.apache.hadoop.fs.TrashPolicy
根据垃圾回收策略获取指定路径的当前垃圾目录
getCurrentUser() - Static method in class org.apache.hadoop.security.UserGroupInformation
返回当前用户,包括当前堆栈中的任何doAs操作。
getCurrentUsernameUnencoded(String) - Static method in class org.apache.hadoop.registry.client.binding.RegistryUtils
Get the current username, using the value of the parameter env_hadoop_username if it is set on an insecure cluster.
getCurrentValue(V) - Method in class org.apache.hadoop.mapred.SequenceFileRecordReader
 
getCurrentValue() - Method in class org.apache.hadoop.mapreduce.lib.db.DBRecordReader
获取当前值。
getCurrentValue() - Method in class org.apache.hadoop.mapreduce.lib.input.CombineFileRecordReader
 
getCurrentValue() - Method in class org.apache.hadoop.mapreduce.lib.input.CombineFileRecordReaderWrapper
 
getCurrentValue() - Method in class org.apache.hadoop.mapreduce.lib.input.KeyValueLineRecordReader
 
getCurrentValue() - Method in class org.apache.hadoop.mapreduce.lib.input.SequenceFileAsTextRecordReader
 
getCurrentValue() - Method in class org.apache.hadoop.mapreduce.lib.input.SequenceFileRecordReader
 
getCurrentValue() - Method in class org.apache.hadoop.mapreduce.lib.join.CompositeRecordReader
获取当前值。
getCurrentValue() - Method in class org.apache.hadoop.mapreduce.lib.join.WrappedRecordReader
获取当前值
getCurrentValue() - Method in class org.apache.hadoop.mapreduce.RecordReader
获取当前值。
getCurrentValue() - Method in interface org.apache.hadoop.mapreduce.TaskInputOutputContext
获取当前值。
getCurrentWebResponses() - Method in class org.apache.hadoop.fs.azure.metrics.AzureFileSystemInstrumentation
获取当前从Azure存储获取的Web响应数量。
getCustomAccessTokenProvider(Configuration) - Method in class org.apache.hadoop.fs.adl.AdlFileSystem
This method is provided for convenience for derived classes to define custom AzureADTokenProvider instance.
getCustomResource(String) - Method in class org.apache.hadoop.yarn.api.records.ResourceUtilization
Get custom resource utilization (The amount of custom resource used).
getCustomResources() - Method in class org.apache.hadoop.yarn.api.records.ResourceUtilization
 
getDate() - Method in class org.apache.hadoop.mapreduce.lib.output.committer.manifest.files.ManifestSuccessData
 
getDate() - Static method in class org.apache.hadoop.util.VersionInfo
Hadoop的编译日期。
getDate() - Method in class org.apache.hadoop.yarn.api.records.timelineservice.FlowActivityEntity
 
getDBConf() - Method in class org.apache.hadoop.mapreduce.lib.db.DBInputFormat
 
getDBConf() - Method in class org.apache.hadoop.mapreduce.lib.db.DBRecordReader
 
getDBProductName() - Method in class org.apache.hadoop.mapreduce.lib.db.DBInputFormat
 
getDeadline() - Method in class org.apache.hadoop.yarn.api.records.ReservationDefinition
获取资源必须分配的最后期限或最晚时间。
getDeclaredClass() - Method in class org.apache.hadoop.io.ObjectWritable
返回该类的预期类型。
getDeclaredComponentType() - Method in class org.apache.hadoop.io.ArrayPrimitiveWritable
 
getDeclaredFieldsIncludingInherited(Class) - Static method in class org.apache.hadoop.util.ReflectionUtils
获取一个类的所有声明字段,包括在父类中声明的字段。
getDeclaredMethodsIncludingInherited(Class) - Static method in class org.apache.hadoop.util.ReflectionUtils
获取一个类的所有声明方法,包括在父类中声明的方法。
getDecommissionedInstances() - Method in class org.apache.hadoop.yarn.service.api.records.组件
 
getDecommissionedTaskTrackerCount() - Method in class org.apache.hadoop.mapreduce.ClusterMetrics
获取集群中已退役跟踪器的数量。
getDecommissioningTimeout() - Method in class org.apache.hadoop.yarn.api.records.NodeReport
可选的退役超时时间(单位:秒),null表示无超时限制。
getDecompressor(CompressionCodec) - Static method in class org.apache.hadoop.io.compress.CodecPool
Get a Decompressor for the given CompressionCodec from the pool or a new one.
getDecompressorType() - Method in class org.apache.hadoop.io.compress.BZip2Codec
Get the type of Decompressor needed by this CompressionCodec.
getDecompressorType() - Method in interface org.apache.hadoop.io.compress.CompressionCodec
Get the type of Decompressor needed by this CompressionCodec.
getDecompressorType() - Method in class org.apache.hadoop.io.compress.DefaultCodec
 
getDecompressorType() - Method in class org.apache.hadoop.io.compress.GzipCodec
 
getDecompressorType() - Method in class org.apache.hadoop.io.compress.PassthroughCodec
 
getDefault() - Static method in class org.apache.hadoop.fs.permission.FsPermission
获取目录和符号链接的默认权限。
getDefaultBlockSize() - Method in class org.apache.hadoop.fs.adl.AdlFileSystem
getDefaultBlockSize(Path) - Method in class org.apache.hadoop.fs.adl.AdlFileSystem
返回大输入文件应被最优分割的字节数,以最小化I/O时间。
getDefaultBlockSize() - Method in class org.apache.hadoop.fs.FileSystem
Deprecated.
getDefaultBlockSize(Path) - Method in class org.apache.hadoop.fs.FileSystem
返回大输入文件应被最优分割的字节数,以最小化I/O时间。
getDefaultBlockSize() - Method in class org.apache.hadoop.fs.FilterFileSystem
 
getDefaultBlockSize(Path) - Method in class org.apache.hadoop.fs.FilterFileSystem
 
getDefaultBlockSize() - Method in class org.apache.hadoop.fs.viewfs.ViewFileSystem
 
getDefaultBlockSize(Path) - Method in class org.apache.hadoop.fs.viewfs.ViewFileSystem
 
getDefaultBlockSize() - Method in class org.apache.hadoop.hdfs.inotify.Event.CreateEvent
 
getDefaultCompressionType(Configuration) - Static method in class org.apache.hadoop.io.SequenceFile
获取reduce输出的压缩类型
getDefaultDelegationTokenAuthenticator() - Static method in class org.apache.hadoop.security.token.delegation.web.DelegationTokenAuthenticatedURL
Returns the default DelegationTokenAuthenticator class to use when an DelegationTokenAuthenticatedURL instance is created without specifying one.
getDefaultExtension() - Method in class org.apache.hadoop.io.compress.BZip2Codec
.bz2 被识别为压缩 BZip2 文件的默认扩展名
getDefaultExtension() - Method in interface org.apache.hadoop.io.compress.CompressionCodec
获取此类压缩的默认文件扩展名。
getDefaultExtension() - Method in class org.apache.hadoop.io.compress.DefaultCodec
 
getDefaultExtension() - Method in class org.apache.hadoop.io.compress.GzipCodec
 
getDefaultExtension() - Method in class org.apache.hadoop.io.compress.PassthroughCodec
 
getDefaultMaps() - Method in class org.apache.hadoop.mapred.JobClient
获取集群中最大可用Map任务的状态信息。
getDefaultNodeLabelExpression() - Method in class org.apache.hadoop.yarn.api.records.QueueInfo
Get the default node label expression of the queue, this takes affect only when the ApplicationSubmissionContext and ResourceRequest don't specify their NodeLabelExpression.
getDefaultPort() - Method in class org.apache.hadoop.fs.adl.AdlFileSystem
 
getDefaultPort() - Method in class org.apache.hadoop.fs.FileSystem
获取此文件系统的默认端口。
getDefaultPort() - Method in class org.apache.hadoop.fs.ftp.FTPFileSystem
获取此FTPFileSystem的默认端口。
getDefaultReduces() - Method in class org.apache.hadoop.mapred.JobClient
获取集群中最大可用Reduce任务的状态信息。
getDefaultReplication() - Method in class org.apache.hadoop.fs.FileSystem
getDefaultReplication(Path) - Method in class org.apache.hadoop.fs.FileSystem
获取路径的默认副本数。
getDefaultReplication() - Method in class org.apache.hadoop.fs.FilterFileSystem
 
getDefaultReplication(Path) - Method in class org.apache.hadoop.fs.FilterFileSystem
 
getDefaultReplication() - Method in class org.apache.hadoop.fs.viewfs.ViewFileSystem
 
getDefaultReplication(Path) - Method in class org.apache.hadoop.fs.viewfs.ViewFileSystem
 
getDefaultReplication() - Method in class org.apache.hadoop.hdfs.protocol.CachePoolInfo
 
getDefaultStoragePolicyId() - Method in class org.apache.hadoop.fs.FsServerDefaults
 
getDefaultUri(Configuration) - Static method in class org.apache.hadoop.fs.FileSystem
从配置中获取默认的FileSystem URI。
getDefaultWorkFile(TaskAttemptContext, String) - Method in class org.apache.hadoop.mapreduce.lib.output.FileOutputFormat
获取输出格式的默认路径和文件名。
getDelegate() - Method in class org.apache.hadoop.mapred.join.CompositeRecordReader
获取一个迭代器,用于遍历与本次join操作最终输出的值类型相关的子RRs。
getDelegate() - Method in class org.apache.hadoop.mapred.join.JoinRecordReader
返回一个包装了JoinCollector的迭代器。
getDelegate() - Method in class org.apache.hadoop.mapred.join.MultiFilterRecordReader
返回一个迭代器,从元组中返回单个值。
getDelegate() - Method in class org.apache.hadoop.mapreduce.lib.join.CompositeRecordReader
获取一个迭代器,用于遍历与本次连接最终输出的值类型相关的子RRs。
getDelegate() - Method in class org.apache.hadoop.mapreduce.lib.join.JoinRecordReader
返回一个包装了JoinCollector的迭代器。
getDelegate() - Method in class org.apache.hadoop.mapreduce.lib.join.MultiFilterRecordReader
返回一个迭代器,该迭代器从元组中返回单个值。
getDelegationKey(int) - Method in class org.apache.hadoop.security.token.delegation.AbstractDelegationTokenSecretManager
对于将存储外部化的子类,例如基于Zookeeper的实现。
getDelegationToken(String) - Method in class org.apache.hadoop.fs.azure.NativeAzureFileSystem
如果'fs.azure.enable.kerberos.support'设置为'true',则从远程服务端点获取委托令牌。
getDelegationToken(Text) - Method in class org.apache.hadoop.mapred.JobClient
从JobTracker获取用户的委托令牌。
getDelegationToken(Text) - Method in class org.apache.hadoop.mapreduce.集群
从JobTracker获取用户的委托令牌。
getDelegationToken() - Method in interface org.apache.hadoop.mapreduce.v2.api.protocolrecords.CancelDelegationTokenRequest
 
getDelegationToken() - Method in interface org.apache.hadoop.mapreduce.v2.api.protocolrecords.RenewDelegationTokenRequest
 
getDelegationToken(URL, DelegationTokenAuthenticatedURL.Token, String) - Method in class org.apache.hadoop.security.token.delegation.web.DelegationTokenAuthenticatedURL
Requests a delegation token using the configured Authenticator for authentication.
getDelegationToken(URL, DelegationTokenAuthenticatedURL.Token, String, String) - Method in class org.apache.hadoop.security.token.delegation.web.DelegationTokenAuthenticatedURL
Requests a delegation token using the configured Authenticator for authentication.
getDelegationToken() - Method in class org.apache.hadoop.security.token.delegation.web.DelegationTokenAuthenticatedURL.Token
 
getDelegationToken(URL, AuthenticatedURL.Token, String) - Method in class org.apache.hadoop.security.token.delegation.web.DelegationTokenAuthenticator
Requests a delegation token using the configured Authenticator for authentication.
getDelegationToken(URL, AuthenticatedURL.Token, String, String) - Method in class org.apache.hadoop.security.token.delegation.web.DelegationTokenAuthenticator
Requests a delegation token using the configured Authenticator for authentication.
getDelegationToken(String) - Method in class org.apache.hadoop.yarn.client.api.TimelineClient
获取一个委托令牌,以便能够以安全的方式与时间线服务器通信。
GetDelegationTokenRequest - Interface in org.apache.hadoop.mapreduce.v2.api.protocolrecords
 
GetDelegationTokenRequest - Class in org.apache.hadoop.yarn.api.protocolrecords
The request issued by the client to get a delegation token from the ResourceManager.
GetDelegationTokenRequest() - Constructor for class org.apache.hadoop.yarn.api.protocolrecords.GetDelegationTokenRequest
 
GetDelegationTokenResponse - Class in org.apache.hadoop.yarn.api.protocolrecords
Response to a GetDelegationTokenRequest request from the client.
GetDelegationTokenResponse() - Constructor for class org.apache.hadoop.yarn.api.protocolrecords.GetDelegationTokenResponse
 
getDelegationTokens(String) - Method in class org.apache.hadoop.fs.viewfs.ViewFs
 
getDelegationTokenSeqNum() - Method in class org.apache.hadoop.security.token.delegation.AbstractDelegationTokenSecretManager
对于将存储外部化的子类,例如基于Zookeeper的实现。
getDependencies() - Method in class org.apache.hadoop.yarn.service.api.records.组件
 
getDependencies() - Method in class org.apache.hadoop.yarn.service.api.records.Service
 
getDependentJobs() - Method in class org.apache.hadoop.mapreduce.lib.jobcontrol.ControlledJob
 
getDependingJobs() - Method in class org.apache.hadoop.mapred.jobcontrol.Job
 
getDescription() - Method in class org.apache.hadoop.mapreduce.lib.output.committer.manifest.files.ManifestSuccessData
 
getDescription() - Method in class org.apache.hadoop.yarn.api.records.timeline.TimelineDomain
获取域描述
getDescription() - Method in class org.apache.hadoop.yarn.api.records.timelineservice.TimelineDomain
获取域描述。
getDescription() - Method in class org.apache.hadoop.yarn.service.api.records.Service
 
getDestFile() - Method in class org.apache.hadoop.yarn.service.api.records.ConfigFile
 
getDestFile() - Method in class org.apache.hadoop.yarn.service.api.records.LocalizationStatus
目标文件。
getDestPath() - Method in class org.apache.hadoop.mapreduce.lib.output.committer.manifest.files.DirEntry
 
getDiagnostics() - Method in class org.apache.hadoop.mapreduce.lib.output.committer.manifest.files.ManifestSuccessData
 
getDiagnostics() - Method in class org.apache.hadoop.yarn.api.protocolrecords.FinishApplicationMasterRequest
Get diagnostic information on application failure.
getDiagnostics() - Method in class org.apache.hadoop.yarn.api.protocolrecords.KillApplicationRequest
Get the diagnostics to which the application is being killed.
getDiagnostics() - Method in class org.apache.hadoop.yarn.api.records.ApplicationAttemptReport
Get the diagnositic information of the application attempt in case of errors.
getDiagnostics() - Method in class org.apache.hadoop.yarn.api.records.ApplicationReport
Get the diagnositic information of the application in case of errors.
getDiagnostics() - Method in class org.apache.hadoop.yarn.api.records.ContainerStatus
Get diagnostic messages for failed containers.
getDiagnostics() - Method in class org.apache.hadoop.yarn.api.records.LocalizationStatus
获取诊断信息。
getDiagnostics() - Method in class org.apache.hadoop.yarn.service.api.records.LocalizationStatus
诊断。
getDiagnostics() - Method in class org.apache.hadoop.yarn.service.api.records.ServiceStatus
 
getDiagnosticsInfo() - Method in class org.apache.hadoop.yarn.api.records.ContainerReport
获取容器的诊断信息。
getDiagnosticsInfo() - Method in class org.apache.hadoop.yarn.api.records.timeline.TimelineHealth
 
getDigest() - Method in class org.apache.hadoop.io.MD5Hash
返回摘要字节。
getDigester() - Static method in class org.apache.hadoop.io.MD5Hash
创建一个线程本地的MD5摘要器。
getDir() - Method in class org.apache.hadoop.mapreduce.lib.output.committer.manifest.files.DirEntry
 
getDirDefault() - Static method in class org.apache.hadoop.fs.permission.FsPermission
获取目录的默认权限。
getDirectoryCount() - Method in class org.apache.hadoop.fs.ContentSummary
 
getDisplayName() - Method in class org.apache.hadoop.mapred.Counters.Counter
 
getDisplayName() - Method in class org.apache.hadoop.mapred.Counters.Group
 
getDisplayName() - Method in interface org.apache.hadoop.mapreduce.Counter
获取计数器的显示名称。
getDisplayName() - Method in interface org.apache.hadoop.mapreduce.counters.CounterGroupBase
获取组的显示名称。
getDockerClientConfig() - Method in class org.apache.hadoop.yarn.service.api.records.Service
该服务的Docker客户端配置。
getDomainId() - Method in class org.apache.hadoop.yarn.api.records.timeline.TimelineEntity
获取实体所属域的ID
getDomains() - Method in class org.apache.hadoop.yarn.api.records.timeline.TimelineDomains
获取域名列表
getDouble(String, double) - Method in class org.apache.hadoop.conf.配置
Get the value of the name property as a double.
getDstPath() - Method in class org.apache.hadoop.hdfs.inotify.Event.RenameEvent
 
getDU(File) - Static method in class org.apache.hadoop.fs.FileUtil
获取一个输入目录并返回该本地目录的磁盘使用情况。
getDuration() - Method in class org.apache.hadoop.yarn.api.records.ReservationRequest
获取资源所需的持续时间(以毫秒为单位)。
getDurationString() - Method in class org.apache.hadoop.util.OperationDuration
Return the duration as OperationDuration.humanTime(long).
getEffectivePermission(AclEntry) - Method in class org.apache.hadoop.fs.permission.AclStatus
获取AclEntry的有效权限
getEffectivePermission(AclEntry, FsPermission) - Method in class org.apache.hadoop.fs.permission.AclStatus
获取AclEntry的有效权限。
getElementType() - Method in class org.apache.hadoop.io.EnumSetWritable
返回底层EnumSetWritable中所有元素的类。
getEmptier() - Method in class org.apache.hadoop.fs.回收站
Return a Runnable that periodically empties the trash of all users, intended to be run by the superuser.
getEmptier() - Method in class org.apache.hadoop.fs.TrashPolicy
Return a Runnable that periodically empties the trash of all users, intended to be run by the superuser.
getEnclosingRoot(Path) - Method in class org.apache.hadoop.fs.AbstractFileSystem
返回给定路径的封闭根路径 封闭根路径是一个公共祖先路径,应用于临时目录、暂存目录 以及加密区域和其他受限目录中。
getEnclosingRoot(Path) - Method in class org.apache.hadoop.fs.FileSystem
返回给定路径的封闭根路径。
getEnclosingRoot(Path) - Method in class org.apache.hadoop.fs.FilterFileSystem
 
getEnclosingRoot(Path) - Method in class org.apache.hadoop.fs.viewfs.ViewFileSystem
 
getEncryptDataTransfer() - Method in class org.apache.hadoop.fs.FsServerDefaults
 
getEncryptedBit() - Method in class org.apache.hadoop.fs.permission.FsPermission
Deprecated.
Get encryption bit from the FileStatus object.
getEncryptionZoneForPath(Path) - Method in class org.apache.hadoop.hdfs.client.HdfsAdmin
获取给定文件或目录的加密区域路径。
getEndTime() - Method in class org.apache.hadoop.yarn.api.protocolrecords.ReservationListRequest
获取用于搜索预订的结束时间。
getEndTime() - Method in class org.apache.hadoop.yarn.api.records.ResourceAllocationRequest
获取资源分配的结束时间。
getEnforceExecutionType() - Method in class org.apache.hadoop.yarn.api.records.ExecutionTypeRequest
Get whether Scheduling Authority should return Containers of exactly the Execution Type requested for this ResourceRequest.
getEnhancedHeadroom() - Method in class org.apache.hadoop.yarn.api.protocolrecords.AllocateResponse
 
getEntities() - Method in class org.apache.hadoop.yarn.api.records.timeline.TimelineEntities
获取实体列表
getEntities() - Method in class org.apache.hadoop.yarn.api.records.timelineservice.TimelineEntities
 
getEntity() - Method in class org.apache.hadoop.yarn.security.AccessRequest
 
getEntityId() - Method in class org.apache.hadoop.yarn.api.records.timeline.TimelineEntity
获取实体ID
getEntityId() - Method in class org.apache.hadoop.yarn.api.records.timeline.TimelineEvents.EventsOfOneEntity
获取实体ID
getEntityId() - Method in class org.apache.hadoop.yarn.api.records.timeline.TimelinePutResponse.TimelinePutError
获取实体ID
getEntityId() - Method in class org.apache.hadoop.yarn.api.records.timelineservice.TimelineWriteResponse.TimelineWriteError
获取实体ID。
getEntityType() - Method in class org.apache.hadoop.yarn.api.records.timeline.TimelineEntity
获取实体类型
getEntityType() - Method in class org.apache.hadoop.yarn.api.records.timeline.TimelineEvents.EventsOfOneEntity
获取实体类型
getEntityType() - Method in class org.apache.hadoop.yarn.api.records.timeline.TimelinePutResponse.TimelinePutError
获取实体类型
getEntityType() - Method in class org.apache.hadoop.yarn.api.records.timelineservice.TimelineWriteResponse.TimelineWriteError
获取实体类型。
getEntries() - Method in class org.apache.hadoop.fs.permission.AclStatus
返回所有ACL条目的列表,按自然顺序排序。
getEntry(MapFile.Reader[], Partitioner, K, V) - Static method in class org.apache.hadoop.mapred.MapFileOutputFormat
从该类的输出中获取一个条目。
getEntry(MapFile.Reader[], Partitioner, K, V) - Static method in class org.apache.hadoop.mapreduce.lib.output.MapFileOutputFormat
从该类的输出中获取一个条目。
getEnum(String, T) - Method in class org.apache.hadoop.conf.配置
返回与此枚举类型匹配的值。
getEnumSet(String, Class, boolean) - Method in class org.apache.hadoop.conf.配置
从逗号分隔的值列表中构建一个枚举集合。
getEnv() - Method in class org.apache.hadoop.yarn.service.api.records.配置
 
getEnv(String) - Method in class org.apache.hadoop.yarn.service.api.records.配置
 
getEnvironment(String) - Method in class org.apache.hadoop.util.Shell
获取环境变量。
getEnvironment() - Method in class org.apache.hadoop.yarn.api.records.ContainerLaunchContext
Get environment variables for the container.
getEnvironmentVariableRegex() - Static method in class org.apache.hadoop.util.Shell
返回一个匹配环境变量的正则表达式字符串。
getErasureCodedBit() - Method in class org.apache.hadoop.fs.permission.FsPermission
Deprecated.
Get ec bit from the FileStatus object.
getErasureCodingPolicies() - Method in class org.apache.hadoop.hdfs.client.HdfsAdmin
获取支持的Erasure coding策略。
getErasureCodingPolicy() - Method in class org.apache.hadoop.fs.ContentSummary
 
getErasureCodingPolicy(Path) - Method in class org.apache.hadoop.hdfs.client.HdfsAdmin
获取指定路径的擦除编码策略信息
getErasureCodingPolicyHeader() - Static method in class org.apache.hadoop.fs.ContentSummary
 
getErrorCode() - Method in exception org.apache.hadoop.fs.azurebfs.contracts.exceptions.AbfsRestOperationException
 
getErrorCode() - Method in enum org.apache.hadoop.fs.azurebfs.contracts.services.AzureServiceErrorCode
 
getErrorCode() - Method in class org.apache.hadoop.yarn.api.records.timeline.TimelinePutResponse.TimelinePutError
获取错误代码
getErrorCode() - Method in class org.apache.hadoop.yarn.api.records.timelineservice.TimelineWriteResponse.TimelineWriteError
获取错误代码。
getErrorCodes() - Method in class org.apache.hadoop.yarn.api.records.ContainerRetryContext
 
getErrorMessage() - Method in exception org.apache.hadoop.fs.azurebfs.contracts.exceptions.AbfsRestOperationException
 
getErrorMessage() - Method in enum org.apache.hadoop.fs.azurebfs.contracts.services.AzureServiceErrorCode
 
getErrors() - Method in class org.apache.hadoop.yarn.api.records.timeline.TimelinePutResponse
Get a list of TimelinePutResponse.TimelinePutError instances
getErrors() - Method in class org.apache.hadoop.yarn.api.records.timelineservice.TimelineWriteResponse
getEstimator() - Method in class org.apache.hadoop.metrics2.lib.MutableQuantiles
获取分位数估计器。
getEvaluatedEntries() - Method in class org.apache.hadoop.fs.audit.CommonAuditContext
获取评估后的操作。
getEvent() - Method in exception org.apache.hadoop.yarn.state.InvalidStateTransitonException
Deprecated.
 
getEventHandler() - Method in class org.apache.hadoop.yarn.event.AsyncDispatcher
 
getEventHandler() - Method in interface org.apache.hadoop.yarn.event.Dispatcher
 
getEventId() - Method in class org.apache.hadoop.mapreduce.TaskCompletionEvent
返回事件ID。
getEventInfo() - Method in class org.apache.hadoop.yarn.api.records.timeline.TimelineEvent
设置事件的信息
getEventQueueSize() - Method in class org.apache.hadoop.yarn.event.AsyncDispatcher
 
getEvents() - Method in class org.apache.hadoop.hdfs.inotify.EventBatch
 
getEvents() - Method in class org.apache.hadoop.yarn.api.records.timeline.TimelineEntity
获取与实体相关的事件列表
getEvents() - Method in class org.apache.hadoop.yarn.api.records.timeline.TimelineEvents.EventsOfOneEntity
获取事件列表
getEvents() - Method in class org.apache.hadoop.yarn.api.records.timelineservice.TimelineEntity
 
getEventType() - Method in class org.apache.hadoop.hdfs.inotify.Event
 
getEventType() - Method in class org.apache.hadoop.yarn.api.records.timeline.TimelineEvent
获取事件类型
getExceptions() - Method in exception org.apache.hadoop.io.MultipleIOException
 
getExcludePattern() - Method in class org.apache.hadoop.yarn.api.records.LogAggregationContext
获取排除模式。
getExecString() - Method in class org.apache.hadoop.util.Shell
返回一个包含命令名称及其参数的数组。
getExecutable(JobConf) - Static method in class org.apache.hadoop.mapred.pipes.Submitter
获取应用程序可执行文件的URI。
getExecutionType() - Method in class org.apache.hadoop.yarn.api.records.ContainerReport
获取容器的执行类型。
getExecutionType() - Method in class org.apache.hadoop.yarn.api.records.ContainerStatus
Get the ExecutionType of the container.
getExecutionType() - Method in class org.apache.hadoop.yarn.api.records.ExecutionTypeRequest
Get ExecutionType.
getExecutionType() - Method in class org.apache.hadoop.yarn.api.records.SchedulingRequest
 
getExecutionType() - Method in class org.apache.hadoop.yarn.api.records.UpdateContainerRequest
Get the target ExecutionType of the container.
getExecutionType() - Method in class org.apache.hadoop.yarn.security.ContainerTokenIdentifier
获取要分配的容器的执行类型
getExecutionTypeRequest() - Method in class org.apache.hadoop.yarn.api.records.ResourceRequest
Get whether locality relaxation is enabled with this ResourceRequest.
getExitCode() - Method in exception org.apache.hadoop.service.ServiceStateException
 
getExitCode() - Method in class org.apache.hadoop.util.Shell
获取退出代码。
getExitStatus() - Method in class org.apache.hadoop.yarn.api.records.ContainerStatus
Get the exit status for the container.
getExpectedTxid() - Method in exception org.apache.hadoop.hdfs.inotify.MissingEventsException
 
getExpiration() - Method in class org.apache.hadoop.hdfs.protocol.CacheDirectiveInfo
 
getExpireInterval(O) - Method in class org.apache.hadoop.yarn.util.AbstractLivelinessMonitor
 
getExpiryTime() - Method in class org.apache.hadoop.fs.adl.oauth2.AzureADTokenProvider
获取令牌的过期时间。
getExpiryTime() - Method in class org.apache.hadoop.yarn.api.records.ApplicationTimeout
Get expiryTime for given timeout type.
getExpiryTimeStamp() - Method in class org.apache.hadoop.yarn.security.ContainerTokenIdentifier
 
getExposedPorts() - Method in class org.apache.hadoop.yarn.api.records.Container
获取容器所在节点暴露的端口。
getExposedPorts() - Method in class org.apache.hadoop.yarn.api.records.ContainerReport
获取容器的暴露端口。
getExposedPorts() - Method in class org.apache.hadoop.yarn.api.records.ContainerStatus
获取容器的暴露端口。
getExposedPorts() - Method in class org.apache.hadoop.yarn.service.api.records.Container
 
getExternalAccessControlEnforcer(INodeAttributeProvider.AccessControlEnforcer) - Method in class org.apache.hadoop.hdfs.server.namenode.INodeAttributeProvider
可以被实现覆盖,以提供一个自定义的访问控制执行器,该执行器可以提供默认权限检查逻辑的替代实现。
getExternalEndpoint(String) - Method in class org.apache.hadoop.registry.client.types.ServiceRecord
查找外部端点
getExternalHandler() - Static method in class org.apache.hadoop.ipc.Client
 
getExtraOptions() - Method in class org.apache.hadoop.io.erasurecode.ECSchema
获取特定于纠删码的额外选项。
getFactory(Class) - Static method in class org.apache.hadoop.io.WritableFactories
定义一个类的工厂。
getFailedJobList() - Method in class org.apache.hadoop.mapreduce.lib.jobcontrol.JobControl
 
getFailedJobs() - Method in class org.apache.hadoop.mapred.jobcontrol.JobControl
 
getFailedRequests() - Method in class org.apache.hadoop.yarn.api.protocolrecords.ContainerUpdateResponse
获取容器ID到异常的映射,其中异常表示每个失败请求容器的错误。
getFailedRequests() - Method in class org.apache.hadoop.yarn.api.protocolrecords.GetContainerStatusesResponse
获取容器ID到异常的映射,其中异常表示来自每个容器的失败请求的错误。
getFailedRequests() - Method in class org.apache.hadoop.yarn.api.protocolrecords.IncreaseContainersResourceResponse
获取容器ID到异常的映射,其中异常表示每个失败请求容器的错误。
getFailedRequests() - Method in class org.apache.hadoop.yarn.api.protocolrecords.StartContainersResponse
获取容器ID到异常的映射,其中异常表示来自每个容器的失败请求的错误
getFailedRequests() - Method in class org.apache.hadoop.yarn.api.protocolrecords.StopContainersResponse
获取容器ID到异常的映射,其中异常表示每个失败请求的容器中的错误。
getFailureCause() - Method in class org.apache.hadoop.service.AbstractService
 
getFailureCause() - Method in interface org.apache.hadoop.service.Service
获取服务故障期间引发的首个异常。
getFailureInfo() - Method in interface org.apache.hadoop.mapred.RunningJob
获取作业的失败信息。
getFailureInfo() - Method in class org.apache.hadoop.mapreduce.JobStatus
获取有关作业失败原因的任何可用信息。
getFailureState() - Method in class org.apache.hadoop.service.AbstractService
 
getFailureState() - Method in interface org.apache.hadoop.service.Service
Get the state in which the failure in Service.getFailureCause() occurred.
getFailuresValidityInterval() - Method in class org.apache.hadoop.yarn.api.records.ContainerRetryContext
 
getFencer() - Method in class org.apache.hadoop.ha.HAServiceTarget
 
getFencingParameters() - Method in class org.apache.hadoop.ha.HAServiceTarget
 
getFieldNames() - Method in class org.apache.hadoop.mapreduce.lib.db.DBRecordReader
 
getFields() - Method in class org.apache.hadoop.yarn.service.api.records.错误
 
getFile(String, String) - Method in class org.apache.hadoop.conf.配置
Get a local file name under a directory named in dirsProp with the given path.
getFile() - Method in class org.apache.hadoop.yarn.api.records.URL
获取URL对应的文件。
getFileAndDirectoryCount() - Method in class org.apache.hadoop.fs.QuotaUsage
返回目录数量。
getFileBlockLocations(Path, long, long) - Method in class org.apache.hadoop.fs.AbstractFileSystem
The specification of this method matches that of FileContext.getFileBlockLocations(Path, long, long) except that Path f must be for this file system.
getFileBlockLocations(FileStatus, long, long) - Method in class org.apache.hadoop.fs.FileSystem
返回一个包含给定文件各部分的主机名、偏移量和大小的数组。
getFileBlockLocations(Path, long, long) - Method in class org.apache.hadoop.fs.FileSystem
返回一个包含给定文件各部分的主机名、偏移量和大小的数组。
getFileBlockLocations(FileStatus, long, long) - Method in class org.apache.hadoop.fs.FilterFileSystem
 
getFileBlockLocations(FileStatus, long, long) - Method in class org.apache.hadoop.fs.viewfs.ViewFileSystem
 
getFileBlockLocations(Path, long, long) - Method in class org.apache.hadoop.fs.viewfs.ViewFs
 
getFileBlockLocations(FileSystem, FileStatus) - Method in class org.apache.hadoop.mapreduce.lib.input.CombineFileInputFormat
 
getFileBufferSize() - Method in class org.apache.hadoop.fs.FsServerDefaults
 
getFileChecksum(Path) - Method in class org.apache.hadoop.fs.AbstractFileSystem
The specification of this method matches that of FileContext.getFileChecksum(Path) except that Path f must be for this file system.
getFileChecksum(Path) - Method in class org.apache.hadoop.fs.FileContext
获取文件的校验和。
getFileChecksum(Path) - Method in class org.apache.hadoop.fs.FileSystem
获取文件的校验和(如果文件系统支持校验功能)。
getFileChecksum(Path, long) - Method in class org.apache.hadoop.fs.FileSystem
获取文件的校验和,从文件开头到指定长度。
getFileChecksum(Path) - Method in class org.apache.hadoop.fs.FilterFileSystem
 
getFileChecksum(Path, long) - Method in class org.apache.hadoop.fs.FilterFileSystem
 
getFileChecksum(Path) - Method in class org.apache.hadoop.fs.viewfs.ViewFileSystem
 
getFileChecksum(Path, long) - Method in class org.apache.hadoop.fs.viewfs.ViewFileSystem
 
getFileChecksum(Path) - Method in class org.apache.hadoop.fs.viewfs.ViewFs
 
getFileChecksum(Path) - Method in class org.apache.hadoop.yarn.client.api.SharedCacheClient
一个便捷方法,用于计算指定文件的校验和。
getFileClassPaths() - Method in interface org.apache.hadoop.mapreduce.JobContext
获取类路径中的文件条目作为Path数组
getFileContext(AbstractFileSystem, Configuration) - Static method in class org.apache.hadoop.fs.FileContext
使用指定的配置创建一个默认文件系统为FS的FileContext。
getFileContext(AbstractFileSystem) - Static method in class org.apache.hadoop.fs.FileContext
使用默认配置为指定文件系统创建一个FileContext。
getFileContext() - Static method in class org.apache.hadoop.fs.FileContext
使用从$HADOOP_CONFIG/core.xml读取的默认配置创建FileContext,配置中未指定的键值将从发布jar中的core-defaults.xml获取默认值。
getFileContext(URI) - Static method in class org.apache.hadoop.fs.FileContext
使用默认配置为指定URI创建一个FileContext。
getFileContext(URI, Configuration) - Static method in class org.apache.hadoop.fs.FileContext
使用指定的配置为默认URI创建一个FileContext。
getFileContext(Configuration) - Static method in class org.apache.hadoop.fs.FileContext
使用传入的配置创建一个FileContext。
getFileControllerName() - Method in class org.apache.hadoop.yarn.logaggregation.filecontroller.LogAggregationFileController
获取文件控制器的名称。
getFileCount() - Method in class org.apache.hadoop.fs.ContentSummary
 
getFileDefault() - Static method in class org.apache.hadoop.fs.permission.FsPermission
获取文件的默认权限。
getFileDescriptor() - Method in class org.apache.hadoop.fs.FSDataInputStream
 
getFileEncryptionInfo(Path) - Method in class org.apache.hadoop.hdfs.client.HdfsAdmin
返回给定路径上HdfsFileStatus的文件加密信息。
getFileInfo(JobId) - Method in class org.apache.hadoop.mapreduce.v2.hs.HistoryFileManager
 
getFileLinkStatus(Path) - Method in class org.apache.hadoop.fs.AbstractFileSystem
The specification of this method matches that of FileContext.getFileLinkStatus(Path) except that an UnresolvedLinkException may be thrown if a symlink is encountered in the path leading up to the final path component.
getFileLinkStatus(Path) - Method in class org.apache.hadoop.fs.FileContext
返回一个表示该路径的文件状态对象。
getFileLinkStatus(Path) - Method in class org.apache.hadoop.fs.FileSystem
getFileLinkStatus(Path) - Method in class org.apache.hadoop.fs.FilterFileSystem
 
getFileLinkStatus(Path) - Method in class org.apache.hadoop.fs.LocalFileSystem
 
getFileLinkStatus(Path) - Method in class org.apache.hadoop.fs.RawLocalFileSystem
返回表示给定路径的FileStatus对象。
getFileLinkStatus(Path) - Method in class org.apache.hadoop.fs.viewfs.ViewFs
 
getFileListingPath() - Method in class org.apache.hadoop.tools.DistCp
获取复制列表文件的默认名称。
getFilenamePaths() - Method in class org.apache.hadoop.mapreduce.lib.output.committer.manifest.files.ManifestSuccessData
获取文件名列表作为路径。
getFilenames() - Method in class org.apache.hadoop.mapreduce.lib.output.committer.manifest.files.ManifestSuccessData
 
getFiles() - Method in class org.apache.hadoop.yarn.service.api.records.配置
 
getFilesCached() - Method in class org.apache.hadoop.hdfs.protocol.CacheDirectiveStats
 
getFilesCached() - Method in class org.apache.hadoop.hdfs.protocol.CachePoolStats
 
getFileSharedCacheUploadPolicies(Configuration) - Static method in class org.apache.hadoop.mapreduce.Job
这是为了获取文件的共享缓存上传策略。
getFileSize() - Method in class org.apache.hadoop.hdfs.inotify.Event.CloseEvent
已关闭文件的大小(以字节为单位)。
getFileSize() - Method in class org.apache.hadoop.hdfs.inotify.Event.TruncateEvent
截断文件的字节大小。
getFilesNeeded() - Method in class org.apache.hadoop.hdfs.protocol.CacheDirectiveStats
 
getFilesNeeded() - Method in class org.apache.hadoop.hdfs.protocol.CachePoolStats
 
getFileStatus(Configuration, URI) - Static method in class org.apache.hadoop.filecache.DistributedCache
Deprecated.
getFileStatus(Path) - Method in class org.apache.hadoop.fs.AbstractFileSystem
The specification of this method matches that of FileContext.getFileStatus(Path) except that an UnresolvedLinkException may be thrown if a symlink is encountered in the path.
getFileStatus(Path) - Method in class org.apache.hadoop.fs.adl.AdlFileSystem
返回一个表示该路径的文件状态对象。
getFileStatus(Path) - Method in class org.apache.hadoop.fs.azure.NativeAzureFileSystem
 
getFileStatus(Path, TracingContext) - Method in class org.apache.hadoop.fs.azurebfs.AzureBlobFileSystemStore
 
getFileStatus(Path) - Method in class org.apache.hadoop.fs.FileContext
返回一个表示该路径的文件状态对象。
getFileStatus(Path) - Method in class org.apache.hadoop.fs.FileSystem
返回一个表示该路径的文件状态对象。
getFileStatus(Path) - Method in class org.apache.hadoop.fs.FilterFileSystem
获取文件状态。
getFileStatus(Path) - Method in class org.apache.hadoop.fs.ftp.FTPFileSystem
 
getFileStatus(Path) - Method in class org.apache.hadoop.fs.RawLocalFileSystem
 
getFileStatus(Path) - Method in class org.apache.hadoop.fs.s3native.NativeS3FileSystem
Deprecated.
 
getFileStatus(Path) - Method in class org.apache.hadoop.fs.viewfs.ViewFileSystem
返回一个表示该路径的文件状态对象。
getFileStatus(Path) - Method in class org.apache.hadoop.fs.viewfs.ViewFs
The specification of this method matches that of FileContext.getFileStatus(Path) except that an UnresolvedLinkException may be thrown if a symlink is encountered in the path.
getFileStatus() - Method in class org.apache.hadoop.hdfs.server.namenode.TreePath
 
getFileSystem(Configuration) - Method in class org.apache.hadoop.fs.Path
返回拥有此路径的FileSystem。
getFileSystem() - Method in class org.apache.hadoop.mapreduce.集群
获取存储作业特定文件的文件系统
getFileSystem(Configuration) - Method in class org.apache.hadoop.yarn.logaggregation.filecontroller.LogAggregationFileController
 
getFileSystemClass(String, Configuration) - Static method in class org.apache.hadoop.fs.FileSystem
获取文件系统的FileSystem实现类。
getFileSystemInstanceId() - Method in class org.apache.hadoop.fs.azure.metrics.AzureFileSystemInstrumentation
该文件系统在指标中的唯一标识符。
getFilesystemProperties(TracingContext) - Method in class org.apache.hadoop.fs.azurebfs.AzureBlobFileSystemStore
 
getFileTimestamps() - Method in interface org.apache.hadoop.mapreduce.JobContext
获取文件的时间戳。
getFilterParams(Configuration, String) - Static method in class org.apache.hadoop.security.http.RestCsrfPreventionFilter
构建一个用于过滤器初始化的配置属性映射。
getFilterParams(Configuration, String) - Static method in class org.apache.hadoop.security.http.XFrameOptionsFilter
构建一个用于过滤器初始化的配置属性映射。
getFiltersFile() - Method in class org.apache.hadoop.tools.DistCpOptions
 
getFinalApplicationStatus() - Method in class org.apache.hadoop.yarn.api.protocolrecords.FinishApplicationMasterRequest
Get final state of the ApplicationMaster.
getFinalApplicationStatus() - Method in class org.apache.hadoop.yarn.api.records.ApplicationReport
Get the final finish status of the application.
getFinalParameters() - Method in class org.apache.hadoop.conf.配置
获取标记为final的参数集。
getFinishTime() - Method in class org.apache.hadoop.mapreduce.Job
获取作业的完成时间。
getFinishTime() - Method in class org.apache.hadoop.mapreduce.JobStatus
获取作业的完成时间。
getFinishTime() - Method in class org.apache.hadoop.yarn.api.records.ApplicationAttemptReport
Get the finish time of the application.
getFinishTime() - Method in class org.apache.hadoop.yarn.api.records.ApplicationReport
Get the finish time of the application.
getFinishTime() - Method in class org.apache.hadoop.yarn.api.records.ContainerReport
获取容器的完成时间。
getFlags() - Method in class org.apache.hadoop.fs.FSDataOutputStreamBuilder
 
getFlags() - Method in class org.apache.hadoop.fs.impl.MultipartUploaderBuilderImpl
 
getFloat(String, float) - Method in class org.apache.hadoop.conf.配置
Get the value of the name property as a float.
getFlowName() - Method in class org.apache.hadoop.yarn.api.records.timelineservice.FlowActivityEntity
 
getFlowRuns() - Method in class org.apache.hadoop.yarn.api.records.timelineservice.FlowActivityEntity
 
getFormatMinSplitSize() - Method in class org.apache.hadoop.mapreduce.lib.input.FileInputFormat
获取该格式所施加的分片大小下限。
getFormatMinSplitSize() - Method in class org.apache.hadoop.mapreduce.lib.input.SequenceFileInputFormat
 
getFormattedString() - Method in class org.apache.hadoop.yarn.api.records.Resource
该方法用于以KB|MB|GB为单位获取内存。
getFormattedString(long) - Method in class org.apache.hadoop.yarn.api.records.Resource
 
getForwardedAddresses() - Method in class org.apache.hadoop.yarn.security.AccessRequest
 
getFromSnapshot() - Method in class org.apache.hadoop.tools.DistCpOptions
 
getFS() - Method in class org.apache.hadoop.fs.FSDataOutputStreamBuilder
 
getFS() - Method in class org.apache.hadoop.fs.impl.FutureDataInputStreamBuilderImpl
 
getFS() - Method in class org.apache.hadoop.fs.impl.MultipartUploaderBuilderImpl
 
getFs() - Method in class org.apache.hadoop.mapred.JobClient
获取一个文件系统句柄。
getFsAction(String) - Static method in enum org.apache.hadoop.fs.permission.FsAction
获取权限字符串表示对应的FsAction枚举
getFSofPath(Path) - Method in class org.apache.hadoop.fs.FileContext
获取指定路径的文件系统。
getFSofPath(Path, Configuration) - Static method in class org.apache.hadoop.fs.FileSystem
 
getFsStatus(Path) - Method in class org.apache.hadoop.fs.AbstractFileSystem
The specification of this method matches that of FileContext.getFsStatus(Path) except that Path f must be for this file system.
getFsStatus() - Method in class org.apache.hadoop.fs.AbstractFileSystem
The specification of this method matches that of FileContext.getFsStatus(Path).
getFsStatus(Path) - Method in class org.apache.hadoop.fs.FileContext
返回一个状态对象,描述由路径参数p表示的文件系统的使用情况和容量。
getFsStatus() - Method in class org.apache.hadoop.fs.viewfs.ViewFs
 
getFullJob(JobId) - Method in interface org.apache.hadoop.mapreduce.v2.hs.HistoryStorage
获取一个完全解析的任务。
getGetPermissionCommand() - Static method in class org.apache.hadoop.util.Shell
返回获取权限信息的命令。
getGid(String) - Method in interface org.apache.hadoop.security.IdMappingServiceProvider
 
getGidAllowingUnknown(String) - Method in interface org.apache.hadoop.security.IdMappingServiceProvider
 
getGlobalContextEntries() - Static method in class org.apache.hadoop.fs.audit.CommonAuditContext
获取全局条目的迭代器。
getGlobalContextEntry(String) - Static method in class org.apache.hadoop.fs.audit.CommonAuditContext
获取全局条目。
getGlobalStorageStatistics() - Static method in class org.apache.hadoop.fs.FileSystem
获取全局存储统计信息。
getGrayListedTaskTrackerCount() - Method in class org.apache.hadoop.mapreduce.ClusterMetrics
获取集群中灰名单跟踪器的数量。
getGraylistedTrackerNames() - Method in class org.apache.hadoop.mapred.ClusterStatus
Deprecated.
getGraylistedTrackers() - Method in class org.apache.hadoop.mapred.ClusterStatus
Deprecated.
getGroup() - Method in class org.apache.hadoop.fs.FileStatus
获取与文件关联的组。
getGroup() - Method in class org.apache.hadoop.fs.permission.AclStatus
返回文件组。
getGroup(String) - Method in class org.apache.hadoop.mapred.计数器
 
getGroup(String) - Method in class org.apache.hadoop.mapreduce.counters.AbstractCounters
返回指定名称的计数器组,如果没有找到该名称的组则返回空组。
getGroupAction() - Method in class org.apache.hadoop.fs.permission.FsPermission
 
getGroupingComparator() - Method in interface org.apache.hadoop.mapreduce.JobContext
Get the user defined RawComparator comparator for grouping keys of inputs to the reduce.
getGroupName() - Method in class org.apache.hadoop.hdfs.inotify.Event.CreateEvent
 
getGroupName() - Method in class org.apache.hadoop.hdfs.inotify.Event.MetadataUpdateEvent
 
getGroupName() - Method in class org.apache.hadoop.hdfs.protocol.CachePoolInfo
 
getGroupName(int, String) - Method in interface org.apache.hadoop.security.IdMappingServiceProvider
 
getGroupNames() - Method in class org.apache.hadoop.mapred.计数器
 
getGroupNames() - Method in class org.apache.hadoop.mapreduce.counters.AbstractCounters
返回所有计数器类的名称。
getGroupNames() - Method in class org.apache.hadoop.security.UserGroupInformation
获取该用户的组名。
getGroups() - Method in class org.apache.hadoop.security.authorize.AccessControlList
获取允许使用此服务的用户组名称。
getGroups(String) - Method in interface org.apache.hadoop.security.GroupMappingServiceProvider
获取指定用户的所有不同组成员身份。
getGroups() - Method in class org.apache.hadoop.security.UserGroupInformation
Deprecated.
getGroupsCommand() - Static method in class org.apache.hadoop.util.Shell
获取当前用户组列表的Unix命令。
getGroupsForUserCommand(String) - Static method in class org.apache.hadoop.util.Shell
获取指定用户组列表的命令。
getGroupsIDForUserCommand(String) - Static method in class org.apache.hadoop.util.Shell
获取指定用户组ID列表的命令。
getGroupsSet(String) - Method in interface org.apache.hadoop.security.GroupMappingServiceProvider
获取指定用户的所有不同组成员身份。
getGroupsSet() - Method in class org.apache.hadoop.security.UserGroupInformation
获取用户所属的组名集合。
getHadoopBuildVersion() - Method in class org.apache.hadoop.yarn.api.records.timeline.TimelineAbout
 
getHadoopHome() - Static method in class org.apache.hadoop.util.Shell
获取Hadoop主目录。
getHadoopVersion() - Method in class org.apache.hadoop.yarn.api.records.timeline.TimelineAbout
 
getHadoopVersionBuiltOn() - Method in class org.apache.hadoop.yarn.api.records.timeline.TimelineAbout
 
getHeader(boolean) - Static method in class org.apache.hadoop.fs.ContentSummary
返回输出的头部信息。
getHeader() - Static method in class org.apache.hadoop.fs.QuotaUsage
返回输出的头部信息。
getHeaderFields() - Static method in class org.apache.hadoop.fs.ContentSummary
返回摘要头部中的字段名称。
getHealthMonitorAddress() - Method in class org.apache.hadoop.ha.HAServiceTarget
返回目标节点上用于健康检查的可选独立RPC服务器地址。
getHealthMonitorProxy(Configuration, int) - Method in class org.apache.hadoop.ha.HAServiceTarget
返回一个代理,用于连接到目标HA服务以进行健康监控。
getHealthMonitorProxy(Configuration, int, int) - Method in class org.apache.hadoop.ha.HAServiceTarget
 
getHealthReport() - Method in class org.apache.hadoop.yarn.api.records.NodeReport
Get the diagnostic health report of the node.
getHealthStatus() - Method in class org.apache.hadoop.yarn.api.records.timeline.TimelineHealth
 
getHighestPriorityLowRedundancyBlocks() - Method in class org.apache.hadoop.hdfs.protocol.ECBlockGroupStats
 
getHighestPriorityLowRedundancyBlocks() - Method in class org.apache.hadoop.hdfs.protocol.ReplicatedBlockStats
 
getHistoryFile() - Method in class org.apache.hadoop.mapreduce.JobStatus
 
getHistoryUrl() - Method in interface org.apache.hadoop.mapred.RunningJob
获取历史文件归档的URL地址。
getHistoryUrl() - Method in class org.apache.hadoop.mapreduce.Job
 
getHomeDirectory() - Method in class org.apache.hadoop.fs.AbstractFileSystem
返回当前用户在此文件系统中的主目录。
getHomeDirectory() - Method in class org.apache.hadoop.fs.adl.AdlFileSystem
只要Hadoop本地用户名与ADL用户名关联关系尚未完全建立,在本地构建主目录是可以的。
getHomeDirectory() - Method in class org.apache.hadoop.fs.azure.NativeAzureFileSystem
 
getHomeDirectory() - Method in class org.apache.hadoop.fs.FileContext
返回当前用户在此文件系统中的主目录。
getHomeDirectory() - Method in class org.apache.hadoop.fs.FileSystem
返回当前用户在此FileSystem中的主目录。
getHomeDirectory() - Method in class org.apache.hadoop.fs.FilterFileSystem
 
getHomeDirectory() - Method in class org.apache.hadoop.fs.ftp.FTPFileSystem
 
getHomeDirectory() - Method in class org.apache.hadoop.fs.RawLocalFileSystem
 
getHomeDirectory() - Method in class org.apache.hadoop.fs.viewfs.ViewFileSystem
 
getHomeDirectory() - Method in class org.apache.hadoop.fs.viewfs.ViewFs
 
getHost() - Method in class org.apache.hadoop.yarn.api.protocolrecords.RegisterApplicationMasterRequest
Get the host on which the ApplicationMaster is running.
getHost() - Method in class org.apache.hadoop.yarn.api.records.ApplicationAttemptReport
Get the host on which this attempt of ApplicationMaster is running.
getHost() - Method in class org.apache.hadoop.yarn.api.records.ApplicationReport
Get the host on which the ApplicationMaster is running.
getHost() - Method in class org.apache.hadoop.yarn.api.records.ContainerStatus
获取容器运行所在的主机名。
getHost() - Method in class org.apache.hadoop.yarn.api.records.NodeId
Get the hostname of the node.
getHost() - Method in class org.apache.hadoop.yarn.api.records.URL
获取URL的主机名。
getHostAndPort() - Method in interface org.apache.hadoop.hdfs.qjournal.server.JournalNodeMXBean
获取JournalNode的主机和端口。
getHostFromPrincipal(String) - Static method in class org.apache.hadoop.security.SecurityUtil
从格式为<服务>/主机@领域的principal名称中获取主机名。
getHostname() - Method in class org.apache.hadoop.mapreduce.lib.output.committer.manifest.files.ManifestSuccessData
 
getHostname() - Method in class org.apache.hadoop.yarn.api.records.NodeToAttributeValue
 
getHostname() - Method in class org.apache.hadoop.yarn.service.api.records.Container
 
getHostNames() - Method in class org.apache.hadoop.yarn.api.protocolrecords.GetNodesToAttributesRequest
获取需要映射的主机名。
getHosts() - Method in class org.apache.hadoop.fs.BlockLocation
获取托管此块的主机列表(主机名)。
getHttpAddress() - Method in class org.apache.hadoop.yarn.api.records.NodeReport
Get the http address of the node.
getId() - Method in class org.apache.hadoop.hdfs.protocol.CacheDirectiveInfo
 
getId() - Method in class org.apache.hadoop.hdfs.protocol.EncryptionZone
 
getId() - Method in class org.apache.hadoop.hdfs.server.namenode.TreePath
 
getId(Class) - Method in class org.apache.hadoop.io.AbstractMapWritable
获取ID。
getID() - Method in interface org.apache.hadoop.mapred.RunningJob
获取作业标识符。
getId() - Method in class org.apache.hadoop.mapreduce.ID
返回表示标识符的整数值
getId() - Method in class org.apache.hadoop.yarn.api.records.ApplicationId
Get the short integer identifier of the ApplicationId which is unique for all applications started by a particular instance of the ResourceManager.
getId() - Method in class org.apache.hadoop.yarn.api.records.Container
获取容器的全局唯一标识符。
getId() - Method in class org.apache.hadoop.yarn.api.records.ContainerId
Deprecated.
getId() - Method in class org.apache.hadoop.yarn.api.records.PreemptionContainer
 
getId() - Method in class org.apache.hadoop.yarn.api.records.ReservationId
Get the long identifier of the ReservationId which is unique for all Reservations started by a particular instance of the ResourceManager.
getId() - Method in class org.apache.hadoop.yarn.api.records.timeline.TimelineDomain
获取域ID
getId() - Method in class org.apache.hadoop.yarn.api.records.timelineservice.FlowActivityEntity
 
getId() - Method in class org.apache.hadoop.yarn.api.records.timelineservice.FlowRunEntity
 
getId() - Method in class org.apache.hadoop.yarn.api.records.timelineservice.TimelineDomain
获取域ID。
getId() - Method in class org.apache.hadoop.yarn.api.records.timelineservice.TimelineEntity
 
getId() - Method in class org.apache.hadoop.yarn.api.records.timelineservice.TimelineEvent
 
getId() - Method in class org.apache.hadoop.yarn.api.records.timelineservice.TimelineMetric
 
getId() - Method in class org.apache.hadoop.yarn.service.api.records.Artifact
 
getId() - Method in class org.apache.hadoop.yarn.service.api.records.Container
 
getId() - Method in class org.apache.hadoop.yarn.service.api.records.Service
 
getIdentifier() - Method in class org.apache.hadoop.hdfs.server.federation.store.driver.StateStoreDriver
获取正在运行的任务/进程的唯一标识符。
getIdentifier() - Method in class org.apache.hadoop.security.token.Token
获取令牌标识符的字节表示形式。
getIdentifier() - Method in class org.apache.hadoop.yarn.api.records.timelineservice.TimelineEntity
 
getIdentifier() - Method in class org.apache.hadoop.yarn.api.records.Token
获取令牌标识符。
getIdPrefix() - Method in class org.apache.hadoop.yarn.api.records.timelineservice.TimelineEntity
 
getIncludeApplications() - Method in class org.apache.hadoop.yarn.api.protocolrecords.GetQueueInfoRequest
Is information about active applications required?
getIncludeChildQueues() - Method in class org.apache.hadoop.yarn.api.protocolrecords.GetQueueInfoRequest
Is information about child queues required?
getIncludePattern() - Method in class org.apache.hadoop.yarn.api.records.LogAggregationContext
获取包含模式。
getIncludeResourceAllocations() - Method in class org.apache.hadoop.yarn.api.protocolrecords.ReservationListRequest
获取表示用户是否请求完整资源分配的布尔值。
getInfo() - Method in class org.apache.hadoop.hdfs.protocol.CacheDirectiveEntry
 
getInfo() - Method in class org.apache.hadoop.hdfs.protocol.CachePoolEntry
 
getInfo() - Method in class org.apache.hadoop.yarn.api.records.timelineservice.TimelineEntity
 
getInfo() - Method in class org.apache.hadoop.yarn.api.records.timelineservice.TimelineEvent
 
getInitialMessage() - Method in exception org.apache.hadoop.security.KerberosAuthException
 
getInitialWorkingDirectory() - Method in class org.apache.hadoop.fs.AbstractFileSystem
某些文件系统(如LocalFileSystem)具有初始工作目录,该目录被用作起始工作目录。
getInitialWorkingDirectory() - Method in class org.apache.hadoop.fs.FileSystem
注意:随着新的FileContext类的引入,getWorkingDirectory()方法将被移除。
getInitialWorkingDirectory() - Method in class org.apache.hadoop.fs.FilterFileSystem
 
getInitialWorkingDirectory() - Method in class org.apache.hadoop.fs.RawLocalFileSystem
 
getiNodeType() - Method in class org.apache.hadoop.hdfs.inotify.Event.CreateEvent
 
getInotifyEventStream() - Method in class org.apache.hadoop.hdfs.client.HdfsAdmin
暴露命名系统事件流。
getInotifyEventStream(long) - Method in class org.apache.hadoop.hdfs.client.HdfsAdmin
A version of HdfsAdmin.getInotifyEventStream() meant for advanced users who are aware of HDFS edits up to lastReadTxid (e.g.
getInputBoundingQuery() - Method in class org.apache.hadoop.mapreduce.lib.db.DBConfiguration
 
getInputClass() - Method in class org.apache.hadoop.mapreduce.lib.db.DBConfiguration
 
getInputConditions() - Method in class org.apache.hadoop.mapreduce.lib.db.DBConfiguration
 
getInputCountQuery() - Method in class org.apache.hadoop.mapreduce.lib.db.DBConfiguration
 
getInputDirRecursive(JobContext) - Static method in class org.apache.hadoop.mapreduce.lib.input.FileInputFormat
 
getInputFieldNames() - Method in class org.apache.hadoop.mapreduce.lib.db.DBConfiguration
 
getInputFileBasedOutputFileName(JobConf, String) - Method in class org.apache.hadoop.mapred.lib.MultipleOutputFormat
基于给定名称和输入文件名生成输出文件名。
getInputFormat() - Method in class org.apache.hadoop.mapred.JobConf
Get the InputFormat implementation for the map-reduce job, defaults to TextInputFormat if not specified explicity.
getInputFormatClass() - Method in interface org.apache.hadoop.mapreduce.JobContext
Get the InputFormat class for the job.
getInputOrderBy() - Method in class org.apache.hadoop.mapreduce.lib.db.DBConfiguration
 
getInputPathFilter(JobConf) - Static method in class org.apache.hadoop.mapred.FileInputFormat
获取输入路径过滤器集的PathFilter实例。
getInputPathFilter(JobContext) - Static method in class org.apache.hadoop.mapreduce.lib.input.FileInputFormat
获取输入路径过滤器集的PathFilter实例。
getInputPaths(JobConf) - Static method in class org.apache.hadoop.mapred.FileInputFormat
Get the list of input Paths for the map-reduce job.
getInputPaths(JobContext) - Static method in class org.apache.hadoop.mapreduce.lib.input.FileInputFormat
Get the list of input Paths for the map-reduce job.
getInputQuery() - Method in class org.apache.hadoop.mapreduce.lib.db.DBConfiguration
 
getInputSplit() - Method in interface org.apache.hadoop.mapred.Reporter
Get the InputSplit object for a map.
getInputSplit() - Method in interface org.apache.hadoop.mapreduce.MapContext
获取此映射的输入分片。
getInputTableName() - Method in class org.apache.hadoop.mapreduce.lib.db.DBConfiguration
 
getInstance(Configuration, FileSystem, Path) - Static method in class org.apache.hadoop.fs.TrashPolicy
getInstance(Configuration, FileSystem) - Static method in class org.apache.hadoop.fs.TrashPolicy
根据配置参数fs.trash.classname的值,获取已配置的TrashPolicy实例。
getInstance() - Static method in class org.apache.hadoop.mapreduce.Job
Creates a new Job with no particular Cluster .
getInstance(Configuration) - Static method in class org.apache.hadoop.mapreduce.Job
Creates a new Job with no particular Cluster and a given Configuration.
getInstance(Configuration, String) - Static method in class org.apache.hadoop.mapreduce.Job
Creates a new Job with no particular Cluster and a given jobName.
getInstance(JobStatus, Configuration) - Static method in class org.apache.hadoop.mapreduce.Job
Creates a new Job with no particular Cluster and given Configuration and JobStatus.
getInstance(Cluster) - Static method in class org.apache.hadoop.mapreduce.Job
Deprecated.
getInstance(Cluster, Configuration) - Static method in class org.apache.hadoop.mapreduce.Job
getInstance() - Static method in class org.apache.hadoop.yarn.util.SystemClock
 
getInstances(String, Class) - Method in class org.apache.hadoop.conf.配置
Get the value of the name property as a List of objects implementing the interface specified by xface.
getInstances(String, List, String, List) - Method in class org.apache.hadoop.yarn.client.api.AppAdminClient
 
getInstances(String, List, String, List) - Method in class org.apache.hadoop.yarn.service.client.ServiceClient
 
getInstrumentation() - Method in class org.apache.hadoop.fs.azure.NativeAzureFileSystem
获取该文件系统的指标源。
getInt(String, int) - Method in class org.apache.hadoop.conf.配置
Get the value of the name property as an int.
getInternalEndpoint(String) - Method in class org.apache.hadoop.registry.client.types.ServiceRecord
查找内部端点
getInterpreter() - Method in class org.apache.hadoop.yarn.api.records.ReservationRequests
Get the ReservationRequestInterpreter, representing how the list of resources should be allocated, this captures temporal ordering and other constraints.
getInterval() - Method in class org.apache.hadoop.metrics2.lib.MutableQuantiles
获取估算器的滚动间隔(以秒为单位)。
getIntraQueuePreemptionDisabled() - Method in class org.apache.hadoop.yarn.api.records.QueueInfo
获取队列的队列内抢占状态。
getInts(String) - Method in class org.apache.hadoop.conf.配置
Get the value of the name property as a set of comma-delimited int values.
getIOStatistics() - Method in class org.apache.hadoop.fs.FSDataInputStream
Get the IO Statistics of the nested stream, falling back to null if the stream does not implement the interface IOStatisticsSource.
getIOStatistics() - Method in class org.apache.hadoop.fs.FSDataOutputStream
Get the IO Statistics of the nested stream, falling back to empty statistics if the stream does not implement the interface IOStatisticsSource.
getIOStatistics() - Method in class org.apache.hadoop.io.compress.CompressionInputStream
返回底层流提供的任何IO统计信息。
getIOStatistics() - Method in class org.apache.hadoop.io.compress.CompressionOutputStream
返回底层流提供的任何IO统计信息。
getIOStatistics() - Method in class org.apache.hadoop.mapreduce.lib.output.BindingPathOutputCommitter
 
getIOStatistics() - Method in class org.apache.hadoop.mapreduce.lib.output.committer.manifest.files.ManifestSuccessData
 
getIOStatistics() - Method in class org.apache.hadoop.mapreduce.lib.output.committer.manifest.ManifestCommitter
 
getIp() - Method in class org.apache.hadoop.yarn.service.api.records.Container
 
getIPs() - Method in class org.apache.hadoop.yarn.api.records.ContainerStatus
获取容器运行的所有IP地址。
getIsJavaMapper(JobConf) - Static method in class org.apache.hadoop.mapred.pipes.Submitter
检查作业是否使用了Java Mapper。
getIsJavaRecordReader(JobConf) - Static method in class org.apache.hadoop.mapred.pipes.Submitter
检查作业是否使用了Java RecordReader
getIsJavaRecordWriter(JobConf) - Static method in class org.apache.hadoop.mapred.pipes.Submitter
reduce会使用Java RecordWriter吗?
getIsJavaReducer(JobConf) - Static method in class org.apache.hadoop.mapred.pipes.Submitter
检查作业是否使用了Java Reducer。
getIsKillCompleted() - Method in class org.apache.hadoop.yarn.api.protocolrecords.KillApplicationResponse
获取标志,该标志指示应用程序终止过程是否已完成。
getIsNamespaceEnabled(TracingContext) - Method in class org.apache.hadoop.fs.azurebfs.AzureBlobFileSystemStore
Resolves namespace information of the filesystem from the state of AzureBlobFileSystemStore.isNamespaceEnabled.
getIsRelatedToEntities() - Method in class org.apache.hadoop.yarn.api.records.timelineservice.TimelineEntity
 
getIssueDate() - Method in class org.apache.hadoop.security.token.delegation.AbstractDelegationTokenIdentifier
 
getIsUnregistered() - Method in class org.apache.hadoop.yarn.api.protocolrecords.FinishApplicationMasterResponse
获取标志,该标志表示应用程序已成功从RM注销,应用程序可以安全停止。
getIterator() - Method in class org.apache.hadoop.hdfs.server.namenode.TreePath
 
getJar() - Method in class org.apache.hadoop.mapred.JobConf
获取用于MapReduce任务的用户jar包。
getJar() - Method in interface org.apache.hadoop.mapreduce.JobContext
获取作业jar文件的路径名。
getJarsInDirectory(String) - Static method in class org.apache.hadoop.fs.FileUtil
返回目录中的所有jar文件。
getJarsInDirectory(String, boolean) - Static method in class org.apache.hadoop.fs.FileUtil
返回目录中的所有jar文件。
getJarUnpackPattern() - Method in class org.apache.hadoop.mapred.JobConf
获取任务跟踪器上需要解压的jar内容模式
getJNStartedTimeInMillis() - Method in interface org.apache.hadoop.hdfs.qjournal.server.JournalNodeMXBean
获取JournalNode的启动时间。
getJob(JobID) - Method in class org.apache.hadoop.mapred.JobClient
Get an RunningJob object to track an ongoing job.
getJob(String) - Method in class org.apache.hadoop.mapred.JobClient
Deprecated.
Applications should rather use JobClient.getJob(JobID).
getJob() - Method in class org.apache.hadoop.mapred.lib.CombineFileSplit
 
getJob(JobID) - Method in class org.apache.hadoop.mapreduce.集群
获取与jobid对应的作业。
getJob() - Method in class org.apache.hadoop.mapreduce.lib.jobcontrol.ControlledJob
 
getJobACLs() - Method in class org.apache.hadoop.mapreduce.JobStatus
获取作业的访问控制列表。
getJobAttemptPath(int) - Method in class org.apache.hadoop.fs.s3a.commit.magic.MagicS3GuardCommitter
计算给定作业尝试的输出将被放置的路径。
getJobAttemptPath(JobContext) - Method in class org.apache.hadoop.mapreduce.lib.output.committer.manifest.ManifestCommitter
计算任务尝试输出存储的路径,直到该任务被提交。
getJobAttemptPath(JobContext) - Method in class org.apache.hadoop.mapreduce.lib.output.FileOutputCommitter
计算给定作业尝试的输出将被放置的路径。
getJobAttemptPath(JobContext, Path) - Static method in class org.apache.hadoop.mapreduce.lib.output.FileOutputCommitter
计算给定作业尝试的输出将被放置的路径。
getJobAttemptPath(int) - Method in class org.apache.hadoop.mapreduce.lib.output.FileOutputCommitter
计算给定作业尝试的输出将被放置的路径。
getJobClient() - Method in class org.apache.hadoop.mapred.jobcontrol.Job
 
getJobConf() - Method in interface org.apache.hadoop.mapred.JobContext
获取作业配置
getJobConf() - Method in class org.apache.hadoop.mapred.jobcontrol.Job
 
getJobConf() - Method in interface org.apache.hadoop.mapred.TaskAttemptContext
 
getJobEndNotificationCustomNotifierClass() - Method in class org.apache.hadoop.mapred.JobConf
返回作业完成后(成功/失败)需要调用的类以发送通知。
getJobEndNotificationURI() - Method in class org.apache.hadoop.mapred.JobConf
获取作业完成后(成功/失败)发送通知时需要调用的URI。
getJobFile() - Method in interface org.apache.hadoop.mapred.RunningJob
获取提交作业配置的路径。
getJobFile() - Method in class org.apache.hadoop.mapreduce.Job
获取提交作业配置的路径。
getJobFile() - Method in class org.apache.hadoop.mapreduce.JobStatus
获取作业的配置文件。
getJobHistoryUrl(JobID) - Method in class org.apache.hadoop.mapreduce.集群
获取给定作业ID的作业历史文件路径。
getJobId() - Method in class org.apache.hadoop.mapred.JobStatus
Deprecated.
use getJobID instead
getJobID() - Method in class org.apache.hadoop.mapred.JobStatus
 
getJobID() - Method in interface org.apache.hadoop.mapred.RunningJob
Deprecated.
This method is deprecated and will be removed. Applications should rather use RunningJob.getID().
getJobID() - Method in class org.apache.hadoop.mapred.TaskAttemptID
 
getJobID() - Method in class org.apache.hadoop.mapred.TaskID
 
getJobID() - Method in interface org.apache.hadoop.mapreduce.JobContext
获取该作业的唯一ID。
getJobID() - Method in class org.apache.hadoop.mapreduce.JobStatus
 
getJobID() - Method in class org.apache.hadoop.mapreduce.lib.jobcontrol.ControlledJob
 
getJobId() - Method in class org.apache.hadoop.mapreduce.lib.output.committer.manifest.files.ManifestSuccessData
 
getJobID() - Method in class org.apache.hadoop.mapreduce.TaskAttemptID
Returns the JobID object that this task attempt belongs to
getJobID() - Method in class org.apache.hadoop.mapreduce.TaskID
Returns the JobID object that this tip belongs to.
getJobIdSource() - Method in class org.apache.hadoop.mapreduce.lib.output.committer.manifest.files.ManifestSuccessData
 
getJobIDsPattern(String, Integer) - Static method in class org.apache.hadoop.mapred.JobID
Deprecated.
getJobInner(JobID) - Method in class org.apache.hadoop.mapred.JobClient
 
getJobLocalDir() - Method in class org.apache.hadoop.mapred.JobConf
获取作业特定的共享目录,用作临时工作空间
getJobName() - Method in class org.apache.hadoop.mapred.JobConf
获取用户指定的作业名称。
getJobName() - Method in interface org.apache.hadoop.mapred.RunningJob
获取作业的名称。
getJobName() - Method in class org.apache.hadoop.mapreduce.Job
用户指定的作业名称。
getJobName() - Method in interface org.apache.hadoop.mapreduce.JobContext
获取用户指定的作业名称。
getJobName() - Method in class org.apache.hadoop.mapreduce.JobStatus
获取用户指定的作业名称。
getJobName() - Method in class org.apache.hadoop.mapreduce.lib.jobcontrol.ControlledJob
 
getJobPath() - Method in class org.apache.hadoop.fs.s3a.commit.magic.MagicS3GuardCommitter
计算所有作业尝试将被放置的路径。
getJobPriority() - Method in class org.apache.hadoop.mapred.JobConf
Get the JobPriority for this job.
getJobPriority() - Method in class org.apache.hadoop.mapred.JobStatus
返回作业的优先级
getJobPriorityAsInteger() - Method in class org.apache.hadoop.mapred.JobConf
获取此作业的优先级。
getJobRunState(int) - Static method in class org.apache.hadoop.mapred.JobStatus
辅助方法,用于获取任务的人类可读状态。
getJobSetupCleanupNeeded() - Method in interface org.apache.hadoop.mapreduce.JobContext
获取作业是否需要作业设置和作业清理
getJobsFromQueue(String) - Method in class org.apache.hadoop.mapred.JobClient
获取所有被添加到特定作业队列的作业
getJobState() - Method in interface org.apache.hadoop.mapred.RunningJob
返回作业的当前状态。
getJobState() - Method in class org.apache.hadoop.mapreduce.Job
返回作业的当前状态。
getJobState() - Method in class org.apache.hadoop.mapreduce.lib.jobcontrol.ControlledJob
 
getJobStatus() - Method in interface org.apache.hadoop.mapred.RunningJob
Returns a snapshot of the current status, JobStatus, of the Job.
getJobStatuses() - Method in class org.apache.hadoop.mapreduce.QueueInfo
获取提交到队列的任务
getJobTrackerState() - Method in class org.apache.hadoop.mapred.ClusterStatus
Deprecated.
getJobTrackerStatus() - Method in class org.apache.hadoop.mapred.ClusterStatus
获取JobTracker的状态。
getJobTrackerStatus() - Method in class org.apache.hadoop.mapreduce.集群
获取JobTracker的状态。
getJobUniqueId() - Method in class org.apache.hadoop.mapreduce.lib.output.committer.manifest.ManifestCommitter
获取此任务的唯一ID。
getJournalsStatus() - Method in interface org.apache.hadoop.hdfs.qjournal.server.JournalNodeMXBean
获取JournalNode日志的状态信息(例如是否已格式化)。
getJtIdentifier() - Method in class org.apache.hadoop.mapreduce.JobID
 
getKeepCommandFile(JobConf) - Static method in class org.apache.hadoop.mapred.pipes.Submitter
用户是否希望保留命令文件用于调试?如果设为true,管道会将命令数据的副本写入任务目录下名为"downlink.data"的文件中,该文件可用于在调试器下运行C++程序。
getKeepContainersAcrossApplicationAttempts() - Method in class org.apache.hadoop.yarn.api.records.ApplicationSubmissionContext
获取标志,该标志指示是否在应用程序尝试之间保留容器。
getKeepFailedTaskFiles() - Method in class org.apache.hadoop.mapred.JobConf
是否保留失败任务的临时文件?
getKeepTaskFilesPattern() - Method in class org.apache.hadoop.mapred.JobConf
获取用于匹配任务名称的正则表达式,以判断是否需要保留文件。
getKerberosInfo(Class, Configuration) - Static method in class org.apache.hadoop.security.SecurityUtil
查找给定协议的Kerberos信息。
getKerberosInfo(Class, Configuration) - Method in class org.apache.hadoop.yarn.security.admin.AdminSecurityInfo
 
getKerberosInfo(Class, Configuration) - Method in class org.apache.hadoop.yarn.security.client.ClientRMSecurityInfo
 
getKerberosInfo(Class, Configuration) - Method in class org.apache.hadoop.yarn.security.client.ClientTimelineSecurityInfo
 
getKerberosInfo(Class, Configuration) - Method in class org.apache.hadoop.yarn.security.ContainerManagerSecurityInfo
 
getKerberosInfo(Class, Configuration) - Method in class org.apache.hadoop.yarn.security.SchedulerSecurityInfo
 
getKerberosPrincipal() - Method in class org.apache.hadoop.yarn.service.api.records.Service
服务的Kerberos主体。
getKey() - Method in class org.apache.hadoop.fs.statistics.DurationStatisticSummary
 
getKey() - Method in class org.apache.hadoop.mapreduce.lib.fieldsel.FieldSelectionHelper
 
getKeyClass() - Method in class org.apache.hadoop.io.WritableComparator
返回WritableComparable的实现类。
getKeyClass() - Method in class org.apache.hadoop.mapred.KeyValueLineRecordReader
 
getKeyClass() - Method in class org.apache.hadoop.mapred.SequenceFileRecordReader
The class of key that must be passed to SequenceFileRecordReader.next(Object, Object)..
getKeyClass() - Method in class org.apache.hadoop.mapreduce.lib.input.KeyValueLineRecordReader
 
getKeyFieldComparatorOption() - Method in class org.apache.hadoop.mapred.JobConf
Get the KeyFieldBasedComparator options
getKeyFieldComparatorOption(JobContext) - Static method in class org.apache.hadoop.mapreduce.lib.partition.KeyFieldBasedComparator
Get the KeyFieldBasedComparator options
getKeyFieldPartitionerOption() - Method in class org.apache.hadoop.mapred.JobConf
Get the KeyFieldBasedPartitioner options
getKeyFieldPartitionerOption(JobContext) - Method in class org.apache.hadoop.mapreduce.lib.partition.KeyFieldBasedPartitioner
Get the KeyFieldBasedPartitioner options
getKeyId() - Method in class org.apache.hadoop.yarn.security.AMRMTokenIdentifier
 
getKeyId() - Method in class org.apache.hadoop.yarn.security.NMTokenIdentifier
 
getKeyName() - Method in class org.apache.hadoop.hdfs.protocol.EncryptionZone
 
getKeyProvider() - Method in class org.apache.hadoop.hdfs.client.HdfsAdmin
如果存在则获取KeyProvider。
getKeyProviderUri() - Method in class org.apache.hadoop.fs.FsServerDefaults
 
getKeys() - Method in class org.apache.hadoop.crypto.key.KeyProvider
获取所有键的键名。
getKeysMetadata(String...) - Method in class org.apache.hadoop.crypto.key.KeyProvider
批量获取关键元数据。
getKeytab() - Method in class org.apache.hadoop.yarn.service.api.records.KerberosPrincipal
Kerberos密钥表文件的URI。
getKeytabFile() - Method in exception org.apache.hadoop.security.KerberosAuthException
 
getKeyVersion(String) - Method in class org.apache.hadoop.crypto.key.KeyProvider
获取特定版本密钥的密钥材料。
getKeyVersions(String) - Method in class org.apache.hadoop.crypto.key.KeyProvider
获取特定密钥名称所有版本的密钥材料。
getKind() - Method in class org.apache.hadoop.security.token.delegation.AbstractDelegationTokenIdentifier
 
getKind() - Method in class org.apache.hadoop.security.token.Token
获取令牌类型。
getKind() - Method in class org.apache.hadoop.security.token.Token.TrivialRenewer
 
getKind() - Method in class org.apache.hadoop.security.token.TokenIdentifier
获取令牌类型
getKind() - Method in class org.apache.hadoop.yarn.api.records.Token
获取令牌类型。
getKind() - Method in class org.apache.hadoop.yarn.security.AMRMTokenIdentifier
 
getKind() - Method in class org.apache.hadoop.yarn.security.client.ClientToAMTokenIdentifier
 
getKind() - Method in class org.apache.hadoop.yarn.security.client.RMDelegationTokenIdentifier
 
getKind() - Method in class org.apache.hadoop.yarn.security.client.TimelineDelegationTokenIdentifier
 
getKind() - Method in class org.apache.hadoop.yarn.security.ContainerTokenIdentifier
 
getKind() - Method in class org.apache.hadoop.yarn.security.NMTokenIdentifier
 
getLabelsToNodes(GetLabelsToNodesRequest) - Method in interface org.apache.hadoop.yarn.api.ApplicationClientProtocol
客户端用于获取现有集群中节点标签映射的接口。
getLabelsToNodes() - Method in class org.apache.hadoop.yarn.client.api.YarnClient
客户端用于获取现有集群中节点标签映射的接口
getLabelsToNodes(Set) - Method in class org.apache.hadoop.yarn.client.api.YarnClient
客户端用于获取现有集群中指定标签到节点映射的接口
getLastHealthReportTime() - Method in class org.apache.hadoop.yarn.api.records.NodeReport
Get the last timestamp at which the health report was received.
getLatestSingleValueMetric(TimelineMetric) - Static method in class org.apache.hadoop.yarn.api.records.timelineservice.TimelineMetric
获取最新的时间线指标作为单值类型。
getLaunchCommand() - Method in class org.apache.hadoop.yarn.service.api.records.组件
 
getLaunchTime() - Method in class org.apache.hadoop.yarn.api.records.ApplicationReport
 
getLaunchTime() - Method in class org.apache.hadoop.yarn.service.api.records.Container
 
getLaunchTime() - Method in class org.apache.hadoop.yarn.service.api.records.Service
 
getLeasedCompressorsCount(CompressionCodec) - Static method in class org.apache.hadoop.io.compress.CodecPool
Return the number of leased Compressors for this CompressionCodec.
getLeasedDecompressorsCount(CompressionCodec) - Static method in class org.apache.hadoop.io.compress.CodecPool
Return the number of leased Decompressors for this CompressionCodec.
getLen() - Method in class org.apache.hadoop.fs.FileStatus
获取该文件的长度,单位为字节。
getLength() - Method in class org.apache.hadoop.fs.BlockLocation
获取块的长度。
getLength() - Method in class org.apache.hadoop.fs.ContentSummary
 
getLength() - Method in class org.apache.hadoop.fs.FileChecksum
校验和的字节长度。
getLength(Path) - Method in class org.apache.hadoop.fs.FileSystem
Deprecated.
getLength() - Method in class org.apache.hadoop.io.BinaryComparable
返回前n个字节0..n-1,这些字节来自{#getBytes()}且是有效的。
getLength() - Method in class org.apache.hadoop.io.BytesWritable
获取缓冲区的当前大小。
getLength() - Method in class org.apache.hadoop.io.Text
返回字节数组中的字节数。
getLength() - Method in class org.apache.hadoop.mapred.FileSplit
要处理的文件字节数。
getLength() - Method in interface org.apache.hadoop.mapred.InputSplit
Get the total number of bytes in the data of the InputSplit.
getLength() - Method in class org.apache.hadoop.mapred.join.CompositeInputSplit
返回当前添加的所有子InputSplits的总长度。
getLength(int) - Method in class org.apache.hadoop.mapred.join.CompositeInputSplit
获取第i个子InputSplit的长度。
getLength(Writable) - Method in class org.apache.hadoop.mapred.nativetask.serde.DefaultSerializer
 
getLength(T) - Method in interface org.apache.hadoop.mapred.nativetask.serde.INativeSerializer
获取待序列化数据的长度。
getLength() - Method in class org.apache.hadoop.mapreduce.InputSplit
获取分片的大小,以便输入分片可以按大小排序。
getLength() - Method in class org.apache.hadoop.mapreduce.lib.input.CombineFileSplit
 
getLength(int) - Method in class org.apache.hadoop.mapreduce.lib.input.CombineFileSplit
Returns the length of the ith Path
getLength() - Method in class org.apache.hadoop.mapreduce.lib.input.FileSplit
要处理的文件字节数。
getLength() - Method in class org.apache.hadoop.mapreduce.lib.join.CompositeInputSplit
返回当前添加的所有子InputSplits的总长度。
getLength(int) - Method in class org.apache.hadoop.mapreduce.lib.join.CompositeInputSplit
获取第i个子InputSplit的长度。
getLengths() - Method in class org.apache.hadoop.mapreduce.lib.input.CombineFileSplit
返回一个包含分割中文件长度的数组
getLevel() - Method in class org.apache.hadoop.mapreduce.lib.output.committer.manifest.files.DirEntry
 
getLifecycleHistory() - Method in class org.apache.hadoop.service.AbstractService
 
getLifecycleHistory() - Method in interface org.apache.hadoop.service.Service
获取生命周期历史的快照;这是一个静态列表
getLifetime() - Method in class org.apache.hadoop.yarn.service.api.records.Service
 
getLimit() - Method in class org.apache.hadoop.hdfs.protocol.CachePoolInfo
 
getLimit() - Method in class org.apache.hadoop.yarn.util.BoundedAppender
 
getLinkTarget(Path) - Method in class org.apache.hadoop.fs.AbstractFileSystem
部分解析路径。
getLinkTarget(Path) - Method in class org.apache.hadoop.fs.FileContext
返回创建符号链接时指定的目标路径。
getLinkTarget(Path) - Method in class org.apache.hadoop.fs.FileSystem
getLinkTarget(Path) - Method in class org.apache.hadoop.fs.FilterFileSystem
 
getLinkTarget(Path) - Method in class org.apache.hadoop.fs.LocalFileSystem
 
getLinkTarget(Path) - Method in class org.apache.hadoop.fs.RawLocalFileSystem
 
getLinkTarget(Path) - Method in class org.apache.hadoop.fs.viewfs.ViewFileSystem
 
getLinkTarget(Path) - Method in class org.apache.hadoop.fs.viewfs.ViewFs
 
getListedPath() - Method in class org.apache.hadoop.fs.PartialListing
正在列出的路径。
getListenerAddress() - Method in class org.apache.hadoop.ipc.Server
返回RPC服务器正在监听的套接字(IP地址+端口)。
getLocal(Configuration) - Static method in class org.apache.hadoop.fs.FileSystem
获取本地文件系统。
getLocalCacheArchives() - Method in interface org.apache.hadoop.mapreduce.JobContext
Deprecated.
the array returned only includes the items the were downloaded. There is no way to map this to what is returned by JobContext.getCacheArchives().
getLocalCacheFiles() - Method in interface org.apache.hadoop.mapreduce.JobContext
Deprecated.
the array returned only includes the items the were downloaded. There is no way to map this to what is returned by JobContext.getCacheFiles().
getLocalDirs() - Method in class org.apache.hadoop.mapred.JobConf
 
getLocalFSFileContext() - Static method in class org.apache.hadoop.fs.FileContext
 
getLocalFSFileContext(Configuration) - Static method in class org.apache.hadoop.fs.FileContext
 
getLocalizationState() - Method in class org.apache.hadoop.yarn.api.records.LocalizationStatus
获取本地化状态。
getLocalizationStatuses(GetLocalizationStatusesRequest) - Method in interface org.apache.hadoop.yarn.api.ContainerManagementProtocol
用于向节点管理器请求所申请容器的本地化状态信息的API接口。
getLocalizationStatuses() - Method in class org.apache.hadoop.yarn.api.protocolrecords.GetLocalizationStatusesResponse
获取所有容器的本地化状态。
getLocalizationStatuses(ContainerId, NodeId) - Method in class org.apache.hadoop.yarn.client.api.NMClient
获取容器的本地化状态。
getLocalizationStatuses() - Method in class org.apache.hadoop.yarn.service.api.records.Container
本地化状态。
GetLocalizationStatusesRequest - Class in org.apache.hadoop.yarn.api.protocolrecords
The request sent by an application master to the node manager to get LocalizationStatuses of containers.
GetLocalizationStatusesRequest() - Constructor for class org.apache.hadoop.yarn.api.protocolrecords.GetLocalizationStatusesRequest
 
GetLocalizationStatusesResponse - Class in org.apache.hadoop.yarn.api.protocolrecords
当请求本地化状态时,节点管理器发送给应用管理器的响应。
GetLocalizationStatusesResponse() - Constructor for class org.apache.hadoop.yarn.api.protocolrecords.GetLocalizationStatusesResponse
 
getLocalPath(String, String) - Method in class org.apache.hadoop.conf.配置
Get a local file under a directory named by dirsProp with the given path.
getLocalPath(String) - Method in class org.apache.hadoop.mapred.JobConf
构建本地文件名。
getLocalResources() - Method in class org.apache.hadoop.yarn.api.protocolrecords.ResourceLocalizationRequest
Get LocalResource required by the container.
getLocalResources() - Method in class org.apache.hadoop.yarn.api.records.ContainerLaunchContext
Get LocalResource required by the container.
getLocation(int) - Method in class org.apache.hadoop.mapred.join.CompositeInputSplit
从第i个InputSplit获取位置信息。
getLocation() - Method in class org.apache.hadoop.mapred.SplitLocationInfo
 
getLocation(int) - Method in class org.apache.hadoop.mapreduce.lib.join.CompositeInputSplit
从第i个InputSplit获取位置信息。
getLocationInfo() - Method in class org.apache.hadoop.mapred.FileSplit
 
getLocationInfo() - Method in interface org.apache.hadoop.mapred.InputSplitWithLocationInfo
获取有关输入分片存储在哪些节点上以及每个位置的存储方式的信息。
getLocationInfo() - Method in class org.apache.hadoop.mapreduce.InputSplit
获取有关输入分片存储在哪些节点上以及每个位置的存储方式的信息。
getLocationInfo() - Method in class org.apache.hadoop.mapreduce.lib.input.FileSplit
 
getLocations() - Method in class org.apache.hadoop.mapred.FileSplit
 
getLocations() - Method in interface org.apache.hadoop.mapred.InputSplit
获取输入分片所在的主机名列表。
getLocations() - Method in class org.apache.hadoop.mapred.join.CompositeInputSplit
从所有子InputSplits中收集一组主机。
getLocations() - Method in class org.apache.hadoop.mapred.MultiFileSplit
 
getLocations() - Method in class org.apache.hadoop.mapreduce.InputSplit
按名称获取数据分片所在本地节点的列表。
getLocations() - Method in class org.apache.hadoop.mapreduce.lib.input.CombineFileSplit
返回此输入分片所在的所有路径
getLocations() - Method in class org.apache.hadoop.mapreduce.lib.input.FileSplit
 
getLocations() - Method in class org.apache.hadoop.mapreduce.lib.join.CompositeInputSplit
从所有子InputSplits中收集一组主机。
getLogAggregationContext() - Method in class org.apache.hadoop.yarn.api.records.ApplicationSubmissionContext
Get LogAggregationContext of the application
getLogAggregationContext() - Method in class org.apache.hadoop.yarn.security.ContainerTokenIdentifier
 
getLogAggregationPolicyClassName() - Method in class org.apache.hadoop.yarn.api.records.LogAggregationContext
获取日志聚合策略类。
getLogAggregationPolicyParameters() - Method in class org.apache.hadoop.yarn.api.records.LogAggregationContext
获取日志聚合策略参数。
getLogAggregationStatus() - Method in class org.apache.hadoop.yarn.api.records.ApplicationReport
获取应用程序的日志聚合状态
getLoginUser() - Static method in class org.apache.hadoop.security.UserGroupInformation
获取当前登录的用户。
getLogMetaFilesOfNode(ExtendedLogMetaRequest, FileStatus, ApplicationId) - Method in class org.apache.hadoop.yarn.logaggregation.filecontroller.LogAggregationFileController
返回按容器分组的节点日志文件元数据。
getLogParams(JobID, TaskAttemptID) - Method in class org.apache.hadoop.mapreduce.集群
获取指定jobID或taskAttemptID的日志参数
getLogPath() - Method in class org.apache.hadoop.tools.DistCpOptions
 
getLogSlowRPCThresholdTime() - Method in class org.apache.hadoop.ipc.Server
 
getLogUrl() - Method in class org.apache.hadoop.yarn.api.records.ContainerReport
获取容器的LogURL。
getLong(String, long) - Method in class org.apache.hadoop.conf.配置
Get the value of the name property as a long.
getLong(String) - Method in class org.apache.hadoop.fs.StorageStatistics
获取统计量的值。
getLong(String, long) - Method in class org.apache.hadoop.yarn.service.api.records.ConfigFile
 
getLongBytes(String, long) - Method in class org.apache.hadoop.conf.配置
Get the value of the name property as a long or human readable format.
getLongStatistics() - Method in class org.apache.hadoop.fs.StorageStatistics
获取一个迭代器,用于遍历所有当前跟踪的长统计信息。
getLowRedundancyBlockGroups() - Method in class org.apache.hadoop.hdfs.protocol.ECBlockGroupStats
 
getLowRedundancyBlocks() - Method in class org.apache.hadoop.hdfs.protocol.ReplicatedBlockStats
 
getMandatoryKeys() - Method in class org.apache.hadoop.fs.impl.AbstractFSBuilderImpl
获取所有被设置为必填项的键。
getMapBandwidth() - Method in class org.apache.hadoop.tools.DistCpOptions
 
getMapContext(MapContext) - Method in class org.apache.hadoop.mapreduce.lib.map.WrappedMapper
Get a wrapped Mapper.Context for custom implementations.
getMapDebugScript() - Method in class org.apache.hadoop.mapred.JobConf
获取map任务的调试脚本。
getMapOutputCompressorClass(Class) - Method in class org.apache.hadoop.mapred.JobConf
Get the CompressionCodec for compressing the map outputs.
getMapOutputKeyClass() - Method in class org.apache.hadoop.mapred.JobConf
获取映射输出数据的键类。
getMapOutputKeyClass() - Method in interface org.apache.hadoop.mapreduce.JobContext
获取映射输出数据的键类。
getMapOutputValueClass() - Method in class org.apache.hadoop.mapred.JobConf
获取map输出数据的值类。
getMapOutputValueClass() - Method in interface org.apache.hadoop.mapreduce.JobContext
获取map输出数据的值类。
getMapper() - Method in class org.apache.hadoop.mapred.MapRunner
 
getMapperClass() - Method in class org.apache.hadoop.mapred.JobConf
Get the Mapper class for the job.
getMapperClass() - Method in interface org.apache.hadoop.mapreduce.JobContext
Get the Mapper class for the job.
getMapperClass(JobContext) - Static method in class org.apache.hadoop.mapreduce.lib.map.MultithreadedMapper
获取应用程序的映射器类。
getMapperMaxSkipRecords(Configuration) - Static method in class org.apache.hadoop.mapred.SkipBadRecords
获取映射器中每个坏记录周围可接受的跳过记录数。
getMapProgress() - Method in class org.apache.hadoop.mapreduce.JobStatus
 
getMapredJobID() - Method in class org.apache.hadoop.mapred.jobcontrol.Job
 
getMapredJobId() - Method in class org.apache.hadoop.mapreduce.lib.jobcontrol.ControlledJob
 
getMapRunnerClass() - Method in class org.apache.hadoop.mapred.JobConf
Get the MapRunnable class for the job.
getMapSlotCapacity() - Method in class org.apache.hadoop.mapreduce.ClusterMetrics
获取集群中map槽位的总数。
getMapSpeculativeExecution() - Method in class org.apache.hadoop.mapred.JobConf
Should speculative execution be used for this job for map tasks? Defaults to true.
getMapTaskReports(JobID) - Method in class org.apache.hadoop.mapred.JobClient
获取作业中地图任务当前状态的信息。
getMapTaskReports(String) - Method in class org.apache.hadoop.mapred.JobClient
Deprecated.
Applications should rather use JobClient.getMapTaskReports(JobID)
getMapTasks() - Method in class org.apache.hadoop.mapred.ClusterStatus
获取集群中当前正在运行的map任务数量。
getMasked() - Method in class org.apache.hadoop.fs.permission.FsCreateModes
 
getMasked() - Method in class org.apache.hadoop.fs.permission.FsPermission
获取掩码权限(如果存在)。
getMasterKey(ApplicationAttemptId) - Method in class org.apache.hadoop.yarn.security.client.ClientToAMTokenSecretManager
 
getMasterKeyId() - Method in class org.apache.hadoop.security.token.delegation.AbstractDelegationTokenIdentifier
 
getMasterKeyId() - Method in class org.apache.hadoop.yarn.security.ContainerTokenIdentifier
 
getMatchedContainerLogFiles(ContainerLogsRequest, boolean, boolean) - Method in class org.apache.hadoop.yarn.client.cli.LogsCLI
 
getMatchingRequests(Priority, String, Resource) - Method in class org.apache.hadoop.yarn.client.api.AMRMClient
Get outstanding ContainerRequests matching the given parameters.
getMatchingRequests(Priority, String, ExecutionType, Resource) - Method in class org.apache.hadoop.yarn.client.api.AMRMClient
Get outstanding ContainerRequests matching the given parameters.
getMatchingRequests(Priority, String, ExecutionType, Resource, String) - Method in class org.apache.hadoop.yarn.client.api.AMRMClient
 
getMatchingRequests(long) - Method in class org.apache.hadoop.yarn.client.api.AMRMClient
Get outstanding ContainerRequests matching the given allocationRequestId.
getMatchingRequests(Priority, String, Resource) - Method in class org.apache.hadoop.yarn.client.api.async.AMRMClientAsync
 
getMatchingRequests(Priority, String, ExecutionType, Resource) - Method in class org.apache.hadoop.yarn.client.api.async.AMRMClientAsync
返回所有与给定优先级、资源名称、执行类型和能力匹配的ContainerRequests。
getMatchingRequests(long) - Method in class org.apache.hadoop.yarn.client.api.async.AMRMClientAsync
返回与给定AllocationRequestId匹配的所有ContainerRequests。
getMax() - Method in class org.apache.hadoop.fs.statistics.DurationStatisticSummary
 
getMaxAppAttempts() - Method in class org.apache.hadoop.yarn.api.records.ApplicationSubmissionContext
 
getMaxCardinality() - Method in class org.apache.hadoop.yarn.service.api.records.PlacementConstraint
 
getMaxDate() - Method in class org.apache.hadoop.security.token.delegation.AbstractDelegationTokenIdentifier
 
getMaxEndTime() - Method in class org.apache.hadoop.yarn.api.records.timelineservice.FlowRunEntity
 
getMaxIdleTime() - Method in class org.apache.hadoop.ipc.Server
 
getMaximumCapacity() - Method in class org.apache.hadoop.yarn.api.records.QueueInfo
Get the maximum capacity of the queue.
getMaximumResourceCapability() - Method in class org.apache.hadoop.yarn.api.protocolrecords.GetNewApplicationResponse
Get the maximum capability for any Resource allocated by the ResourceManager in the cluster.
getMaximumResourceCapability() - Method in class org.apache.hadoop.yarn.api.protocolrecords.RegisterApplicationMasterResponse
Get the maximum capability for any Resource allocated by the ResourceManager in the cluster.
getMaxMapAttempts() - Method in class org.apache.hadoop.mapred.JobConf
Get the configured number of maximum attempts that will be made to run a map task, as specified by the mapreduce.map.maxattempts property.
getMaxMapAttempts() - Method in interface org.apache.hadoop.mapreduce.JobContext
Get the configured number of maximum attempts that will be made to run a map task, as specified by the mapred.map.max.attempts property.
getMaxMaps() - Method in class org.apache.hadoop.tools.DistCpOptions
 
getMaxMapTaskFailuresPercent() - Method in class org.apache.hadoop.mapred.JobConf
获取在不导致作业中止的情况下可以失败的map任务的最大百分比。
getMaxMapTasks() - Method in class org.apache.hadoop.mapred.ClusterStatus
获取集群中运行map任务的最大容量。
getMaxMemory() - Method in class org.apache.hadoop.mapred.ClusterStatus
Deprecated.
getMaxParallelApps() - Method in class org.apache.hadoop.yarn.api.records.QueueInfo
Get the configured max parallel apps of the queue.
getMaxPhysicalMemoryForTask() - Method in class org.apache.hadoop.mapred.JobConf
Deprecated.
this variable is deprecated and nolonger in use.
getMaxQueueSize() - Method in class org.apache.hadoop.ipc.Server
该服务器RPC调用队列的最大容量。
getMaxReduceAttempts() - Method in class org.apache.hadoop.mapred.JobConf
Get the configured number of maximum attempts that will be made to run a reduce task, as specified by the mapreduce.reduce.maxattempts property.
getMaxReduceAttempts() - Method in interface org.apache.hadoop.mapreduce.JobContext
Get the configured number of maximum attempts that will be made to run a reduce task, as specified by the mapred.reduce.max.attempts property.
getMaxReduceTaskFailuresPercent() - Method in class org.apache.hadoop.mapred.JobConf
获取在不导致作业中止的情况下,reduce任务可以失败的最大百分比。
getMaxReduceTasks() - Method in class org.apache.hadoop.mapred.ClusterStatus
获取集群中运行reduce任务的最大容量。
getMaxRelativeExpiryMs() - Method in class org.apache.hadoop.hdfs.protocol.CachePoolInfo
 
getMaxResourceMemory() - Method in class org.apache.hadoop.yarn.api.records.QueueInfo
获取最大资源内存。
getMaxResourceVCore() - Method in class org.apache.hadoop.yarn.api.records.QueueInfo
获取最大资源虚拟核心数。
getMaxRetries() - Method in class org.apache.hadoop.yarn.api.records.ContainerRetryContext
 
getMaxRunningApp() - Method in class org.apache.hadoop.yarn.api.records.QueueInfo
获取MaxRunningApp。
getMaxSplitSize(JobContext) - Static method in class org.apache.hadoop.mapreduce.lib.input.FileInputFormat
获取最大分割大小。
getMaxTaskFailuresPerTracker() - Method in class org.apache.hadoop.mapred.JobConf
专家:获取最大编号
getMaxVirtualMemoryForTask() - Method in class org.apache.hadoop.mapred.JobConf
getMbeanNameName(ObjectName) - Static method in class org.apache.hadoop.metrics2.util.MBeans
 
getMbeanNameService(ObjectName) - Static method in class org.apache.hadoop.metrics2.util.MBeans
 
getMean() - Method in class org.apache.hadoop.fs.statistics.DurationStatisticSummary
 
getMemlockLimit(Long) - Static method in class org.apache.hadoop.util.Shell
静态方法,用于返回数据节点的内存锁定限制。
getMemory() - Method in class org.apache.hadoop.yarn.api.records.Resource
Deprecated.
getMemory() - Method in class org.apache.hadoop.yarn.service.api.records.Resource
 
getMemoryForMapTask() - Method in class org.apache.hadoop.mapred.JobConf
获取运行作业的map任务所需的内存,单位为MB。
getMemoryForReduceTask() - Method in class org.apache.hadoop.mapred.JobConf
获取运行作业的reduce任务所需的内存,单位为MB。
getMemorySeconds() - Method in class org.apache.hadoop.yarn.api.records.ApplicationResourceUsageReport
获取应用程序已分配的内存总量(以兆字节为单位)乘以应用程序运行的时间(秒)。
getMemorySize() - Method in class org.apache.hadoop.yarn.api.records.Resource
Get memory of the resource.
getMessage() - Method in exception org.apache.hadoop.fs.viewfs.NotInMountpointException
 
getMessage() - Method in exception org.apache.hadoop.hdfs.protocol.DSQuotaExceededException
 
getMessage() - Method in exception org.apache.hadoop.hdfs.protocol.NSQuotaExceededException
 
getMessage() - Method in exception org.apache.hadoop.hdfs.protocol.QuotaByStorageTypeExceededException
 
getMessage() - Method in exception org.apache.hadoop.hdfs.protocol.QuotaExceededException
 
getMessage() - Method in exception org.apache.hadoop.mapred.InvalidInputException
获取发现问题的摘要信息。
getMessage() - Method in exception org.apache.hadoop.mapreduce.lib.input.InvalidInputException
获取发现问题的摘要信息。
getMessage() - Method in class org.apache.hadoop.mapreduce.lib.jobcontrol.ControlledJob
 
getMessage() - Method in exception org.apache.hadoop.security.KerberosAuthException
 
getMessage() - Method in class org.apache.hadoop.yarn.service.api.records.错误
 
getMetadata(String) - Method in class org.apache.hadoop.crypto.key.KeyProvider
获取关于该键的元数据。
getMetadataType() - Method in class org.apache.hadoop.hdfs.inotify.Event.MetadataUpdateEvent
 
getMetrics(MetricsCollector, boolean) - Method in class org.apache.hadoop.fs.azure.metrics.AzureFileSystemInstrumentation
 
getMetrics() - Method in class org.apache.hadoop.hdfs.server.federation.store.driver.StateStoreDriver
获取状态存储的指标。
getMetrics() - Method in class org.apache.hadoop.mapreduce.lib.output.committer.manifest.files.ManifestSuccessData
 
getMetrics(MetricsCollector, boolean) - Method in interface org.apache.hadoop.metrics2.MetricsSource
从指标源获取指标
getMetrics() - Method in class org.apache.hadoop.security.token.delegation.AbstractDelegationTokenSecretManager
 
getMetrics() - Method in class org.apache.hadoop.yarn.api.records.timelineservice.TimelineEntity
 
getMetricsRegistryInfo() - Method in class org.apache.hadoop.fs.azure.metrics.AzureFileSystemInstrumentation
获取指标注册表信息。
getMin() - Method in class org.apache.hadoop.fs.statistics.DurationStatisticSummary
 
getMinCardinality() - Method in class org.apache.hadoop.yarn.service.api.records.PlacementConstraint
 
getMinResourceMemory() - Method in class org.apache.hadoop.yarn.api.records.QueueInfo
获取最小资源内存。
getMinResourceVCore() - Method in class org.apache.hadoop.yarn.api.records.QueueInfo
获取最小资源VCore。
getMinSplitSize(JobContext) - Static method in class org.apache.hadoop.mapreduce.lib.input.FileInputFormat
获取最小分割大小
getMissingBlockGroups() - Method in class org.apache.hadoop.hdfs.protocol.ECBlockGroupStats
 
getMissingReplicaBlocks() - Method in class org.apache.hadoop.hdfs.protocol.ReplicatedBlockStats
 
getMissingReplicationOneBlocks() - Method in class org.apache.hadoop.hdfs.protocol.ReplicatedBlockStats
 
getMode() - Method in enum org.apache.hadoop.hdfs.client.CreateEncryptionZoneFlag
 
getMode() - Method in class org.apache.hadoop.hdfs.protocol.CachePoolInfo
 
getModificationTime() - Method in class org.apache.hadoop.fs.FileStatus
获取文件的修改时间。
getModifiedTime() - Method in class org.apache.hadoop.yarn.api.records.timeline.TimelineDomain
获取域的修改时间
getModifiedTime() - Method in class org.apache.hadoop.yarn.api.records.timelineservice.TimelineDomain
获取该域的修改时间。
getMountPoints() - Method in class org.apache.hadoop.fs.viewfs.ViewFileSystem
 
getMountPoints() - Method in class org.apache.hadoop.fs.viewfs.ViewFs
 
getMovableTypes() - Static method in enum org.apache.hadoop.fs.StorageType
 
getMtime() - Method in class org.apache.hadoop.hdfs.inotify.Event.MetadataUpdateEvent
 
getMultiple(Class, Query) - Method in class org.apache.hadoop.hdfs.server.federation.store.driver.impl.StateStoreBaseImpl
 
getName() - Method in interface org.apache.hadoop.fs.BlockStoragePolicySpi
返回存储策略的名称。
getName() - Method in class org.apache.hadoop.fs.FileSystem
Deprecated.
call FileSystem.getUri() instead.
getName() - Method in class org.apache.hadoop.fs.Path
返回此路径的最终组件。
getName() - Method in class org.apache.hadoop.fs.permission.AclEntry
返回可选的ACL条目名称。
getName() - Method in class org.apache.hadoop.fs.s3a.commit.magic.MagicS3GuardCommitter
 
getName() - Method in class org.apache.hadoop.fs.StorageStatistics
获取此StorageStatistics对象的名称。
getName() - Method in class org.apache.hadoop.mapred.Counters.Counter
 
getName() - Method in class org.apache.hadoop.mapred.Counters.Group
 
getName() - Method in interface org.apache.hadoop.mapreduce.Counter
 
getName() - Method in interface org.apache.hadoop.mapreduce.counters.CounterGroupBase
获取组的内部名称
getName() - Method in class org.apache.hadoop.mapreduce.lib.output.committer.manifest.files.ManifestSuccessData
 
getName() - Method in class org.apache.hadoop.service.AbstractService
 
getName() - Method in interface org.apache.hadoop.service.Service
获取此服务的名称。
getName() - Method in class org.apache.hadoop.yarn.api.records.ApplicationReport
Get the user-defined name of the application.
getName() - Method in class org.apache.hadoop.yarn.api.records.NodeLabel
 
getName() - Method in class org.apache.hadoop.yarn.api.records.timelineservice.FlowRunEntity
 
getName() - Method in class org.apache.hadoop.yarn.service.api.records.组件
 
getName() - Method in class org.apache.hadoop.yarn.service.api.records.PlacementConstraint
 
getName() - Method in class org.apache.hadoop.yarn.service.api.records.Service
 
getNamed(String, Configuration) - Static method in class org.apache.hadoop.fs.FileSystem
Deprecated.
getNamedOutputFormatClass(JobConf, String) - Static method in class org.apache.hadoop.mapred.lib.MultipleOutputs
返回指定名称的输出OutputFormat。
getNamedOutputKeyClass(JobConf, String) - Static method in class org.apache.hadoop.mapred.lib.MultipleOutputs
返回指定输出的键类。
getNamedOutputs() - Method in class org.apache.hadoop.mapred.lib.MultipleOutputs
返回具有指定名称输出的迭代器。
getNamedOutputsList(JobConf) - Static method in class org.apache.hadoop.mapred.lib.MultipleOutputs
返回通道名称列表。
getNamedOutputValueClass(JobConf, String) - Static method in class org.apache.hadoop.mapred.lib.MultipleOutputs
返回指定输出的值类。
getNamenodeAddr() - Method in class org.apache.hadoop.hdfs.client.BlockReportOptions
 
getNames() - Method in class org.apache.hadoop.fs.BlockLocation
获取托管此块的主机名称列表(IP:xferPort)。
getNeededMem() - Method in class org.apache.hadoop.mapreduce.JobStatus
 
getNeededResources() - Method in class org.apache.hadoop.yarn.api.records.ApplicationResourceUsageReport
Get the needed Resource.
getNetworkBytesRead() - Method in class org.apache.hadoop.util.SysInfo
获取通过网络读取的聚合字节数。
getNetworkBytesWritten() - Method in class org.apache.hadoop.util.SysInfo
获取写入网络的聚合字节数。
getNetworkDistance() - Method in class org.apache.hadoop.hdfs.ReplicaAccessor
返回本地机器与远程机器之间的网络距离。
getNewApplication(GetNewApplicationRequest) - Method in interface org.apache.hadoop.yarn.api.ApplicationClientProtocol
The interface used by clients to obtain a new ApplicationId for submitting new applications.
GetNewApplicationRequest - Class in org.apache.hadoop.yarn.api.protocolrecords
The request sent by clients to get a new ApplicationId for submitting an application.
GetNewApplicationRequest() - Constructor for class org.apache.hadoop.yarn.api.protocolrecords.GetNewApplicationRequest
 
GetNewApplicationResponse - Class in org.apache.hadoop.yarn.api.protocolrecords
The response sent by the ResourceManager to the client for a request to get a new ApplicationId for submitting applications.
GetNewApplicationResponse() - Constructor for class org.apache.hadoop.yarn.api.protocolrecords.GetNewApplicationResponse
 
getNewApplicationResponse() - Method in class org.apache.hadoop.yarn.client.api.YarnClientApplication
 
getNewReservation(GetNewReservationRequest) - Method in interface org.apache.hadoop.yarn.api.ApplicationClientProtocol
The interface used by clients to obtain a new ReservationId for submitting new reservations.
GetNewReservationRequest - Class in org.apache.hadoop.yarn.api.protocolrecords
The request sent by clients to get a new ReservationId for submitting an reservation.
GetNewReservationRequest() - Constructor for class org.apache.hadoop.yarn.api.protocolrecords.GetNewReservationRequest
 
GetNewReservationResponse - Class in org.apache.hadoop.yarn.api.protocolrecords
The response sent by the ResourceManager to the client for a request to get a new ReservationId for submitting reservations.
GetNewReservationResponse() - Constructor for class org.apache.hadoop.yarn.api.protocolrecords.GetNewReservationResponse
 
getNextExpirationTime() - Method in interface org.apache.hadoop.mapreduce.v2.api.protocolrecords.RenewDelegationTokenResponse
 
getNextRefreshMSSinceEpoch() - Method in class org.apache.hadoop.hdfs.web.oauth2.AccessTokenTimer
获取下次我们应该刷新令牌的时间。
getNmHostAddress() - Method in class org.apache.hadoop.yarn.security.ContainerTokenIdentifier
 
getNMToken(String) - Static method in class org.apache.hadoop.yarn.client.api.NMTokenCache
返回NMToken,如果不存在则返回null。
getNMTokenCache() - Method in class org.apache.hadoop.yarn.client.api.AMRMClient
Get the NM token cache of the AMRMClient.
getNMTokenCache() - Method in class org.apache.hadoop.yarn.client.api.NMClient
Get the NM token cache of the NMClient.
getNMTokens() - Method in class org.apache.hadoop.yarn.api.protocolrecords.AllocateResponse
获取与节点管理器(NM)通信所需的NMTokens列表。
getNMTokensFromPreviousAttempts() - Method in class org.apache.hadoop.yarn.api.protocolrecords.RegisterApplicationMasterResponse
获取用于与运行先前应用程序尝试容器的节点管理器(NMs)通信的NMToken列表。
getNode() - Method in class org.apache.hadoop.mapred.join.Parser.NodeToken
 
getNode() - Method in class org.apache.hadoop.mapred.join.Parser.Token
 
getNode() - Method in class org.apache.hadoop.mapreduce.lib.join.Parser.NodeToken
 
getNode() - Method in class org.apache.hadoop.mapreduce.lib.join.Parser.Token
 
getNodeAttributes() - Method in class org.apache.hadoop.yarn.api.protocolrecords.GetAttributesToNodesRequest
获取需要将主机名映射到属性值的节点attributeKeys。
getNodeAttributes() - Method in class org.apache.hadoop.yarn.api.protocolrecords.GetClusterNodeAttributesResponse
从响应中获取节点属性。
getNodeAttributes() - Method in class org.apache.hadoop.yarn.api.records.NodeReport
获取节点的属性。
getNodeAttributes() - Method in class org.apache.hadoop.yarn.service.api.records.PlacementConstraint
 
getNodeFilesOfApplicationDirectory(FileStatus) - Method in class org.apache.hadoop.yarn.logaggregation.filecontroller.LogAggregationFileController
获取应用程序目录中的所有节点文件。
getNodeHttpAddress() - Method in class org.apache.hadoop.yarn.api.records.Container
获取容器所在节点的HTTP URI。
getNodeHttpAddress() - Method in class org.apache.hadoop.yarn.api.records.ContainerReport
获取容器的节点HTTP地址。
getNodeHttpAddressFromRMWebString(ContainerLogsRequest) - Method in class org.apache.hadoop.yarn.client.cli.LogsCLI
 
getNodeId() - Method in class org.apache.hadoop.yarn.api.records.Container
获取容器所在节点的标识符。
getNodeId() - Method in class org.apache.hadoop.yarn.api.records.NMToken
Get the NodeId of the NodeManager for which the NMToken is used to authenticate.
getNodeId() - Method in class org.apache.hadoop.yarn.api.records.NodeReport
Get the NodeId of the node.
getNodeId() - Method in class org.apache.hadoop.yarn.security.NMTokenIdentifier
 
getNodeIdOfStartedContainer(ContainerId) - Method in class org.apache.hadoop.yarn.client.api.NMClient
获取容器运行所在节点的NodeId。
getNodeLabelExpression() - Method in class org.apache.hadoop.yarn.api.records.ApplicationSubmissionContext
获取此应用的节点标签表达式。
getNodeLabelExpression() - Method in class org.apache.hadoop.yarn.api.records.ResourceRequest
获取此资源请求的节点标签表达式。
getNodeLabelExpression() - Method in class org.apache.hadoop.yarn.security.ContainerTokenIdentifier
获取原始ResourceRequest中的节点标签表达式。
getNodeLabelList() - Method in class org.apache.hadoop.yarn.api.protocolrecords.GetClusterNodeLabelsResponse
 
getNodeLabels() - Method in class org.apache.hadoop.yarn.api.protocolrecords.GetClusterNodeLabelsResponse
getNodeLabels() - Method in class org.apache.hadoop.yarn.api.records.NodeReport
获取此节点的标签。
getNodePartitions() - Method in class org.apache.hadoop.yarn.service.api.records.PlacementConstraint
 
getNodeReports() - Method in class org.apache.hadoop.yarn.api.protocolrecords.GetClusterNodesResponse
Get NodeReport for all nodes in the cluster.
getNodeReports(NodeState...) - Method in class org.apache.hadoop.yarn.client.api.YarnClient
Get a report of nodes (NodeReport) in the cluster.
getNodeState() - Method in class org.apache.hadoop.yarn.api.records.NodeReport
Get the NodeState of the node.
getNodeStates() - Method in class org.apache.hadoop.yarn.api.protocolrecords.GetClusterNodesRequest
用于筛选集群节点的状态。
getNodesToAttributes(GetNodesToAttributesRequest) - Method in interface org.apache.hadoop.yarn.api.ApplicationClientProtocol
客户端用于获取节点到属性映射的接口。
GetNodesToAttributesRequest - Class in org.apache.hadoop.yarn.api.protocolrecords
The request from clients to get nodes to attributes mapping in the cluster from the ResourceManager.
GetNodesToAttributesRequest() - Constructor for class org.apache.hadoop.yarn.api.protocolrecords.GetNodesToAttributesRequest
 
GetNodesToAttributesResponse - Class in org.apache.hadoop.yarn.api.protocolrecords
The response sent by the ResourceManager to a client requesting nodes to attributes mapping.
GetNodesToAttributesResponse() - Constructor for class org.apache.hadoop.yarn.api.protocolrecords.GetNodesToAttributesResponse
 
getNodeToAttributes() - Method in class org.apache.hadoop.yarn.api.protocolrecords.GetNodesToAttributesResponse
获取主机名到节点属性的映射。
getNodeToAttributes(Set) - Method in class org.apache.hadoop.yarn.client.api.YarnClient
客户端用于获取现有集群中所有节点到属性映射的接口。
getNodeToLabels(GetNodesToLabelsRequest) - Method in interface org.apache.hadoop.yarn.api.ApplicationClientProtocol
客户端用于获取现有集群中节点到标签映射的接口。
getNodeToLabels() - Method in class org.apache.hadoop.yarn.client.api.YarnClient
客户端用于获取现有集群中节点到标签映射的接口
getNodeUpdateType() - Method in class org.apache.hadoop.yarn.api.records.NodeReport
可选节点更新类型(null表示不存在更新类型)。
getNodeUtilization() - Method in class org.apache.hadoop.yarn.api.records.NodeReport
获取节点资源利用率。
getNum() - Method in class org.apache.hadoop.mapred.join.Parser.NumToken
 
getNum() - Method in class org.apache.hadoop.mapred.join.Parser.Token
 
getNum() - Method in class org.apache.hadoop.mapreduce.lib.join.Parser.NumToken
 
getNum() - Method in class org.apache.hadoop.mapreduce.lib.join.Parser.Token
 
getNumActiveNodeManagers() - Method in class org.apache.hadoop.yarn.api.records.YarnClusterMetrics
Get the number of ActiveNodeManagers in the cluster.
getNumActiveUsers() - Method in class org.apache.hadoop.yarn.api.records.QueueStatistics
获取活跃用户数量
getNumAllocations() - Method in class org.apache.hadoop.yarn.api.records.ResourceSizing
 
getNumAppsCompleted() - Method in class org.apache.hadoop.yarn.api.records.QueueStatistics
获取已完成应用的数量
getNumAppsFailed() - Method in class org.apache.hadoop.yarn.api.records.QueueStatistics
获取失败应用的数量
getNumAppsKilled() - Method in class org.apache.hadoop.yarn.api.records.QueueStatistics
获取被终止的应用数量
getNumAppsPending() - Method in class org.apache.hadoop.yarn.api.records.QueueStatistics
获取待处理应用的数量
getNumAppsRunning() - Method in class org.apache.hadoop.yarn.api.records.QueueStatistics
获取正在运行的应用程序数量
getNumAppsSubmitted() - Method in class org.apache.hadoop.yarn.api.records.QueueStatistics
获取已提交的应用数量
getNumberOfContainers() - Method in class org.apache.hadoop.yarn.service.api.records.组件
 
getNumberOfRunningContainers() - Method in class org.apache.hadoop.yarn.service.api.records.Service
 
getNumberOfRuns() - Method in class org.apache.hadoop.yarn.api.records.timelineservice.FlowActivityEntity
 
getNumberOfThreads(JobContext) - Static method in class org.apache.hadoop.mapreduce.lib.map.MultithreadedMapper
线程池中运行map函数的线程数量。
getNumClusterNodes() - Method in class org.apache.hadoop.yarn.api.protocolrecords.AllocateResponse
获取集群上可用的主机数量。
getNumContainers() - Method in class org.apache.hadoop.yarn.api.records.ReservationRequest
获取给定规格所需的容器数量。
getNumContainers() - Method in class org.apache.hadoop.yarn.api.records.ResourceRequest
获取给定规格所需的容器数量。
getNumCores() - Method in class org.apache.hadoop.util.SysInfo
获取系统中物理核心的总数。
getNumDataUnits() - Method in class org.apache.hadoop.io.erasurecode.ECSchema
获取编码组中所需的数据单元数量
getNumDecommissionedNodeManagers() - Method in class org.apache.hadoop.yarn.api.records.YarnClusterMetrics
Get the number of DecommissionedNodeManagers in the cluster.
getNumDecommissioningNodeManagers() - Method in class org.apache.hadoop.yarn.api.records.YarnClusterMetrics
Get the number of DecommissioningNodeManagers in the cluster.
getNumDroppedConnections() - Method in class org.apache.hadoop.ipc.Server
由于连接数过多而被丢弃的RPC连接数量。
getNumExcludedNodes() - Method in class org.apache.hadoop.mapred.ClusterStatus
获取集群中被排除的主机数量。
getNumInProcessHandler() - Method in class org.apache.hadoop.ipc.Server
 
getNumLinesPerSplit(JobContext) - Static method in class org.apache.hadoop.mapreduce.lib.input.NLineInputFormat
获取每个分片的行数
getNumListstatusThreads() - Method in class org.apache.hadoop.tools.DistCpOptions
 
getNumLostNodeManagers() - Method in class org.apache.hadoop.yarn.api.records.YarnClusterMetrics
Get the number of LostNodeManagers in the cluster.
getNumMapTasks() - Method in class org.apache.hadoop.mapred.JobConf
获取此作业配置的映射任务数量。
getNumNodeManagers() - Method in class org.apache.hadoop.yarn.api.records.YarnClusterMetrics
Get the number of NodeManagers in the cluster.
getNumOpenConnections() - Method in class org.apache.hadoop.ipc.Server
打开的RPC连接数量
getNumOpenConnectionsPerUser() - Method in class org.apache.hadoop.ipc.Server
 
getNumParityUnits() - Method in class org.apache.hadoop.io.erasurecode.ECSchema
获取编码组中所需的奇偶校验单元数量
getNumPaths() - Method in class org.apache.hadoop.mapreduce.lib.input.CombineFileSplit
返回分割中的路径数量
getNumProcessors() - Method in class org.apache.hadoop.util.SysInfo
获取系统中逻辑处理器的总数量。
getNumReaders() - Method in class org.apache.hadoop.ipc.Server
此服务器的读取器线程数量。
getNumRebootedNodeManagers() - Method in class org.apache.hadoop.yarn.api.records.YarnClusterMetrics
Get the number of RebootedNodeManagers in the cluster.
getNumReduceTasks() - Method in class org.apache.hadoop.mapred.JobConf
获取此作业配置的reduce任务数量。
getNumReduceTasks() - Method in interface org.apache.hadoop.mapreduce.JobContext
配置此作业的reduce任务数量。
getNumReservedSlots() - Method in class org.apache.hadoop.mapreduce.JobStatus
 
getNumShutdownNodeManagers() - Method in class org.apache.hadoop.yarn.api.records.YarnClusterMetrics
Get the number of ShutdownNodeManagers in the cluster.
getNumTasksToExecutePerJvm() - Method in class org.apache.hadoop.mapred.JobConf
获取一个生成的JVM应执行的任务数量
getNumUnhealthyNodeManagers() - Method in class org.apache.hadoop.yarn.api.records.YarnClusterMetrics
Get the number of UnhealthyNodeManagers in the cluster.
getNumUsedContainers() - Method in class org.apache.hadoop.yarn.api.records.ApplicationResourceUsageReport
获取已使用容器的数量。
getNumUsedSlots() - Method in class org.apache.hadoop.mapreduce.JobStatus
 
getNumVCoresUsed() - Method in class org.apache.hadoop.util.SysInfo
获取已使用的VCores数量。
getOccupiedMapSlots() - Method in class org.apache.hadoop.mapreduce.ClusterMetrics
获取集群中已占用的map槽位数量。
getOccupiedReduceSlots() - Method in class org.apache.hadoop.mapreduce.ClusterMetrics
获取集群中已占用的reduce槽位数量。
getOffset() - Method in class org.apache.hadoop.fs.BlockLocation
获取与此块关联的文件的起始偏移量。
getOffset(int) - Method in class org.apache.hadoop.mapreduce.lib.input.CombineFileSplit
Returns the start offset of the ith Path
getOlderRemoteAppLogDir(ApplicationId, String) - Method in class org.apache.hadoop.yarn.logaggregation.filecontroller.LogAggregationFileController
获取用于日志聚合的旧版远程应用程序目录。
getOperations() - Method in class org.apache.hadoop.mapreduce.QueueAclsInfo
获取队列允许的操作。
getOptionalKeys() - Method in class org.apache.hadoop.fs.impl.AbstractFSBuilderImpl
获取所有被设置为可选键的键。
getOptionalParentPath() - Method in class org.apache.hadoop.fs.Path
Returns the parent of a path as Optional or Optional.empty() i.e an empty Optional if at root.
getOptionalPath() - Method in class org.apache.hadoop.fs.impl.AbstractFSBuilderImpl
获取可选路径;可能为空。
getOptionalPathHandle() - Method in class org.apache.hadoop.fs.impl.AbstractFSBuilderImpl
获取可选的路径句柄;可能为空。
getOptions() - Method in class org.apache.hadoop.fs.impl.AbstractFSBuilderImpl
获取可变选项配置。
getOriginalPrimaryKey(String) - Static method in class org.apache.hadoop.hdfs.server.federation.store.driver.impl.StateStoreSerializableImpl
获取给定状态存储记录键的原始主键。
getOriginalTrackingUrl() - Method in class org.apache.hadoop.yarn.api.records.ApplicationAttemptReport
Get the original tracking url for the application attempt.
getOtherAction() - Method in class org.apache.hadoop.fs.permission.FsPermission
 
getOtherInfo() - Method in class org.apache.hadoop.yarn.api.records.timeline.TimelineEntity
获取实体的其他信息
getOutputCommitter() - Method in class org.apache.hadoop.mapred.JobConf
Get the OutputCommitter implementation for the map-reduce job, defaults to FileOutputCommitter if not specified explicitly.
getOutputCommitter(TaskAttemptContext) - Method in class org.apache.hadoop.mapreduce.lib.db.DBOutputFormat
 
getOutputCommitter(TaskAttemptContext) - Method in class org.apache.hadoop.mapreduce.lib.output.FileOutputFormat
 
getOutputCommitter(TaskAttemptContext) - Method in class org.apache.hadoop.mapreduce.lib.output.FilterOutputFormat
 
getOutputCommitter(TaskAttemptContext) - Method in class org.apache.hadoop.mapreduce.lib.output.LazyOutputFormat
 
getOutputCommitter(TaskAttemptContext) - Method in class org.apache.hadoop.mapreduce.lib.output.NullOutputFormat
 
getOutputCommitter(TaskAttemptContext) - Method in class org.apache.hadoop.mapreduce.OutputFormat
获取此输出格式的输出提交器。
getOutputCommitter() - Method in interface org.apache.hadoop.mapreduce.TaskInputOutputContext
Get the OutputCommitter for the task-attempt.
getOutputCompressionType(JobConf) - Static method in class org.apache.hadoop.mapred.SequenceFileOutputFormat
Get the SequenceFile.CompressionType for the output SequenceFile.
getOutputCompressionType(JobContext) - Static method in class org.apache.hadoop.mapreduce.lib.output.SequenceFileOutputFormat
Get the SequenceFile.CompressionType for the output SequenceFile.
getOutputCompressorClass(JobConf, Class) - Static method in class org.apache.hadoop.mapred.FileOutputFormat
Get the CompressionCodec for compressing the job outputs.
getOutputCompressorClass(JobContext, Class) - Static method in class org.apache.hadoop.mapreduce.lib.output.FileOutputFormat
Get the CompressionCodec for compressing the job outputs.
getOutputFieldCount() - Method in class org.apache.hadoop.mapreduce.lib.db.DBConfiguration
 
getOutputFieldNames() - Method in class org.apache.hadoop.mapreduce.lib.db.DBConfiguration
 
getOutputFormat() - Method in class org.apache.hadoop.mapred.JobConf
Get the OutputFormat implementation for the map-reduce job, defaults to TextOutputFormat if not specified explicity.
getOutputFormatClass() - Method in interface org.apache.hadoop.mapreduce.JobContext
Get the OutputFormat class for the job.
getOutputKeyClass() - Method in class org.apache.hadoop.mapred.JobConf
获取作业输出数据的键类。
getOutputKeyClass() - Method in interface org.apache.hadoop.mapreduce.JobContext
获取作业输出数据的键类。
getOutputKeyComparator() - Method in class org.apache.hadoop.mapred.JobConf
Get the RawComparator comparator used to compare keys.
getOutputName(JobContext) - Static method in class org.apache.hadoop.mapreduce.lib.output.FileOutputFormat
获取输出文件的基础输出名称。
getOutputPath(JobConf) - Static method in class org.apache.hadoop.mapred.FileOutputFormat
Get the Path to the output directory for the map-reduce job.
getOutputPath() - Method in class org.apache.hadoop.mapreduce.lib.output.BindingPathOutputCommitter
 
getOutputPath() - Method in class org.apache.hadoop.mapreduce.lib.output.committer.manifest.ManifestCommitter
输出路径:作业的目标目录。
getOutputPath() - Method in class org.apache.hadoop.mapreduce.lib.output.FileOutputCommitter
 
getOutputPath(JobContext) - Static method in class org.apache.hadoop.mapreduce.lib.output.FileOutputFormat
Get the Path to the output directory for the map-reduce job.
getOutputPath() - Method in class org.apache.hadoop.mapreduce.lib.output.PathOutputCommitter
获取作业提交后将放置工作结果的最终目录。
getOutputTableName() - Method in class org.apache.hadoop.mapreduce.lib.db.DBConfiguration
 
getOutputValueClass() - Method in class org.apache.hadoop.mapred.JobConf
获取作业输出的值类。
getOutputValueClass() - Method in interface org.apache.hadoop.mapreduce.JobContext
获取作业输出的值类。
getOutputValueGroupingComparator() - Method in class org.apache.hadoop.mapred.JobConf
Get the user defined WritableComparable comparator for grouping keys of inputs to the reduce.
getOverwrite() - Method in class org.apache.hadoop.hdfs.inotify.Event.CreateEvent
 
getOwner() - Method in class org.apache.hadoop.fs.FileStatus
获取文件的所有者。
getOwner() - Method in class org.apache.hadoop.fs.permission.AclStatus
返回文件所有者。
getOwner() - Method in class org.apache.hadoop.security.token.delegation.AbstractDelegationTokenIdentifier
 
getOwner() - Method in class org.apache.hadoop.yarn.api.records.timeline.TimelineDomain
获取域名所有者
getOwner() - Method in class org.apache.hadoop.yarn.api.records.timelineservice.TimelineDomain
获取域名所有者。
getOwnerForPath(Path) - Method in class org.apache.hadoop.fs.azure.NativeAzureFileSystem
 
getOwnerName() - Method in class org.apache.hadoop.hdfs.inotify.Event.CreateEvent
 
getOwnerName() - Method in class org.apache.hadoop.hdfs.inotify.Event.MetadataUpdateEvent
 
getOwnerName() - Method in class org.apache.hadoop.hdfs.protocol.CachePoolInfo
 
getParent() - Method in class org.apache.hadoop.fs.Path
返回路径的父级,如果位于根目录则返回null。
getParent() - Method in class org.apache.hadoop.yarn.api.records.timelineservice.HierarchicalTimelineEntity
 
getParentId() - Method in class org.apache.hadoop.hdfs.server.namenode.TreePath
 
getPartialJobs(Long, Long, String, String, Long, Long, Long, Long, JobState) - Method in interface org.apache.hadoop.mapreduce.v2.hs.HistoryStorage
查找一组部分作业。
getPartition(K2, V2, int) - Method in class org.apache.hadoop.mapred.lib.HashPartitioner
Use Object.hashCode() to partition.
getPartition(K2, V2, int) - Method in interface org.apache.hadoop.mapred.Partitioner
获取给定键(即记录)的分区编号,给定总分区数。
getPartition(BinaryComparable, V, int) - Method in class org.apache.hadoop.mapreduce.lib.partition.BinaryPartitioner
Use (the specified slice of the array returned by) BinaryComparable.getBytes() to partition.
getPartition(K, V, int) - Method in class org.apache.hadoop.mapreduce.lib.partition.HashPartitioner
Use Object.hashCode() to partition.
getPartition(K2, V2, int) - Method in class org.apache.hadoop.mapreduce.lib.partition.KeyFieldBasedPartitioner
 
getPartition(int, int) - Method in class org.apache.hadoop.mapreduce.lib.partition.KeyFieldBasedPartitioner
 
getPartition(K, V, int) - Method in class org.apache.hadoop.mapreduce.lib.partition.RehashPartitioner
Rehash Object.hashCode() to partition.
getPartition(K, V, int) - Method in class org.apache.hadoop.mapreduce.lib.partition.TotalOrderPartitioner
 
getPartition(KEY, VALUE, int) - Method in class org.apache.hadoop.mapreduce.Partitioner
根据给定的键(即记录)和总分区数获取对应的分区编号
getPartitionerClass() - Method in class org.apache.hadoop.mapred.JobConf
Get the Partitioner used to partition Mapper-outputs to be sent to the Reducers.
getPartitionerClass() - Method in interface org.apache.hadoop.mapreduce.JobContext
Get the Partitioner class for the job.
getPartitionFile(JobConf) - Static method in class org.apache.hadoop.mapred.lib.TotalOrderPartitioner
getPartitionFile(Configuration) - Static method in class org.apache.hadoop.mapreduce.lib.partition.TotalOrderPartitioner
获取存储已排序分区键集的SequenceFile路径。
getPassword(String) - Method in class org.apache.hadoop.conf.配置
获取已知密码配置元素的值。
getPassword() - Method in class org.apache.hadoop.security.token.Token
获取令牌密码/密钥。
getPassword() - Method in class org.apache.hadoop.yarn.api.records.Token
获取令牌密码
getPasswordFromConfig(String) - Method in class org.apache.hadoop.conf.配置
在配置中回退到明文密码。
getPasswordFromCredentialProviders(String) - Method in class org.apache.hadoop.conf.配置
尝试将提供的元素名称解析为凭据提供程序别名。
getPath() - Method in class org.apache.hadoop.fs.FileStatus
 
getPath() - Method in class org.apache.hadoop.fs.impl.AbstractFSBuilderImpl
获取路径:仅在通过路径构造时有效。
getPath() - Method in class org.apache.hadoop.hdfs.inotify.Event.AppendEvent
 
getPath() - Method in class org.apache.hadoop.hdfs.inotify.Event.CloseEvent
 
getPath() - Method in class org.apache.hadoop.hdfs.inotify.Event.CreateEvent
 
getPath() - Method in class org.apache.hadoop.hdfs.inotify.Event.MetadataUpdateEvent
 
getPath() - Method in class org.apache.hadoop.hdfs.inotify.Event.TruncateEvent
 
getPath() - Method in class org.apache.hadoop.hdfs.inotify.Event.UnlinkEvent
 
getPath() - Method in class org.apache.hadoop.hdfs.protocol.CacheDirectiveInfo
 
getPath() - Method in class org.apache.hadoop.hdfs.protocol.EncryptionZone
 
getPath() - Method in class org.apache.hadoop.mapred.FileSplit
包含此分割数据的文件。
getPath(int) - Method in class org.apache.hadoop.mapreduce.lib.input.CombineFileSplit
Returns the ith Path
getPath() - Method in class org.apache.hadoop.mapreduce.lib.input.FileSplit
包含此分割数据的文件。
getPath() - Method in class org.apache.hadoop.yarn.api.protocolrecords.UseSharedCacheResourceResponse
Get the Path corresponding to the requested resource in the shared cache.
getPathForCustomFile(JobConf, String) - Static method in class org.apache.hadoop.mapred.FileOutputFormat
Helper function to generate a Path for a file that is unique for the task within the job output directory.
getPathForWorkFile(TaskInputOutputContext, String, String) - Static method in class org.apache.hadoop.mapreduce.lib.output.FileOutputFormat
Helper function to generate a Path for a file that is unique for the task within the job output directory.
getPathFromYarnURL(URL) - Static method in class org.apache.hadoop.yarn.util.ConverterUtils
Deprecated.
getPathHandle(FileStatus, Options.HandleOpt...) - Method in class org.apache.hadoop.fs.FileSystem
为给定实体的引用创建一个持久化、可序列化的句柄。
getPathHandle() - Method in class org.apache.hadoop.fs.impl.AbstractFSBuilderImpl
获取PathHandle:仅在通过PathHandle构造时有效。
getPathNameWarning() - Method in class org.apache.hadoop.fs.azure.WasbFsck
 
getPaths() - Method in class org.apache.hadoop.mapreduce.lib.input.CombineFileSplit
返回分片中的所有路径
getPathStatus(Path, TracingContext) - Method in class org.apache.hadoop.fs.azurebfs.AzureBlobFileSystemStore
 
getPathWithoutSchemeAndAuthority(Path) - Static method in class org.apache.hadoop.fs.Path
返回给定路径的无协议信息版本。
getPattern(String, Pattern) - Method in class org.apache.hadoop.conf.配置
Get the value of the name property as a Pattern.
getPattern() - Method in class org.apache.hadoop.yarn.api.records.LocalResource
Get the pattern that should be used to extract entries from the archive (only used when type is PATTERN).
getPendingContainers() - Method in class org.apache.hadoop.yarn.api.records.QueueStatistics
获取待处理容器的数量。
getPendingDeletionBlocks() - Method in class org.apache.hadoop.hdfs.protocol.ECBlockGroupStats
 
getPendingDeletionBlocks() - Method in class org.apache.hadoop.hdfs.protocol.ReplicatedBlockStats
 
getPendingMemoryMB() - Method in class org.apache.hadoop.yarn.api.records.QueueStatistics
获取待处理内存(单位:MB)
getPendingVCores() - Method in class org.apache.hadoop.yarn.api.records.QueueStatistics
获取待处理的虚拟核心数
getPermission() - Method in class org.apache.hadoop.fs.FileStatus
获取与文件关联的FsPermission权限。
getPermission() - Method in class org.apache.hadoop.fs.FSDataOutputStreamBuilder
 
getPermission() - Method in class org.apache.hadoop.fs.impl.MultipartUploaderBuilderImpl
 
getPermission() - Method in class org.apache.hadoop.fs.permission.AclEntry
返回ACL条目中的权限集合。
getPermission() - Method in class org.apache.hadoop.fs.permission.AclStatus
返回路径的权限集
getPermissionsProto(FileStatus, AclStatus) - Method in class org.apache.hadoop.hdfs.server.namenode.UGIResolver
Get the serialized, local permissions for the external FileStatus or AclStatus.
getPerms() - Method in class org.apache.hadoop.hdfs.inotify.Event.CreateEvent
 
getPerms() - Method in class org.apache.hadoop.hdfs.inotify.Event.MetadataUpdateEvent
 
getPhysicalMemory() - Method in class org.apache.hadoop.yarn.api.records.ResourceUtilization
Get physical memory.
getPhysicalMemorySize() - Method in class org.apache.hadoop.util.SysInfo
获取系统中物理内存的总大小。
getPingInterval(Configuration) - Static method in class org.apache.hadoop.ipc.Client
从配置中获取ping间隔时间; 如果配置中未设置,则返回默认值。
getPlacementConstraint() - Method in class org.apache.hadoop.yarn.api.records.SchedulingRequest
 
getPlacementConstraints() - Method in class org.apache.hadoop.yarn.api.protocolrecords.RegisterApplicationMasterRequest
返回在应用级别指定的所有放置约束。
getPlacementPolicy() - Method in class org.apache.hadoop.yarn.service.api.records.组件
 
getPool() - Method in class org.apache.hadoop.hdfs.protocol.CacheDirectiveInfo
 
getPool() - Method in class org.apache.hadoop.util.functional.CloseableTaskPoolSubmitter
获取池。
getPoolName() - Method in class org.apache.hadoop.hdfs.protocol.CachePoolInfo
 
getPort() - Method in class org.apache.hadoop.ipc.Server
获取IPC服务器监听传入连接的端口。
getPort() - Method in class org.apache.hadoop.yarn.api.records.NodeId
Get the port for communicating with the node.
getPort() - Method in class org.apache.hadoop.yarn.api.records.URL
获取URL的端口。
getPos() - Method in exception org.apache.hadoop.fs.ChecksumException
 
getPos() - Method in class org.apache.hadoop.fs.FSDataInputStream
获取输入流中的当前位置。
getPos() - Method in class org.apache.hadoop.fs.FSDataOutputStream
获取输出流中的当前位置。
getPos() - Method in class org.apache.hadoop.fs.FSInputStream
返回当前距离文件起始位置的偏移量
getPos() - Method in interface org.apache.hadoop.fs.Seekable
返回当前距离文件起始位置的偏移量
getPos() - Method in class org.apache.hadoop.io.compress.CompressionInputStream
该方法返回流中的当前位置。
getPos() - Method in class org.apache.hadoop.mapred.join.CompositeRecordReader
不支持(所有情况下均返回零)。
getPos() - Method in class org.apache.hadoop.mapred.join.WrappedRecordReader
从代理RR请求位置。
getPos() - Method in class org.apache.hadoop.mapred.KeyValueLineRecordReader
 
getPos() - Method in class org.apache.hadoop.mapred.lib.CombineFileRecordReader
返回已处理的数据量
getPos() - Method in class org.apache.hadoop.mapred.lib.CombineFileRecordReaderWrapper
 
getPos() - Method in interface org.apache.hadoop.mapred.RecordReader
返回输入中的当前位置。
getPos() - Method in class org.apache.hadoop.mapred.SequenceFileAsTextRecordReader
 
getPos() - Method in class org.apache.hadoop.mapred.SequenceFileRecordReader
 
getPos() - Method in class org.apache.hadoop.mapreduce.lib.db.DBRecordReader
Deprecated. 
getPreemptedMemorySeconds() - Method in class org.apache.hadoop.yarn.api.records.ApplicationResourceUsageReport
获取应用程序抢占的内存总量(以兆字节为单位),即应用程序已分配的内存乘以应用程序运行的时间(秒)。
getPreemptedResourceSecondsMap() - Method in class org.apache.hadoop.yarn.api.records.ApplicationResourceUsageReport
获取应用程序已分配的被抢占资源的聚合数量乘以应用程序运行的时间(秒)。
getPreemptedVcoreSeconds() - Method in class org.apache.hadoop.yarn.api.records.ApplicationResourceUsageReport
获取应用程序已分配的抢占式虚拟核心(vcores)的聚合数量乘以应用程序运行的时间(秒)。
getPreemptionDisabled() - Method in class org.apache.hadoop.yarn.api.records.QueueInfo
Get the preemption status of the queue.
getPreemptionMessage() - Method in class org.apache.hadoop.yarn.api.protocolrecords.AllocateResponse
获取由AM拥有但被集群请求回收的容器描述。
getPreserveAttributes() - Method in class org.apache.hadoop.tools.DistCpOptions
 
getPreviousState() - Method in interface org.apache.hadoop.yarn.state.StateMachine
 
getPrimaryFilters() - Method in class org.apache.hadoop.yarn.api.records.timeline.TimelineEntity
获取主过滤器
getPrimaryGroup() - Method in class org.apache.hadoop.fs.azurebfs.AzureBlobFileSystemStore
 
getPrimaryGroupName() - Method in class org.apache.hadoop.security.UserGroupInformation
 
getPrimaryKey(BaseRecord) - Static method in class org.apache.hadoop.hdfs.server.federation.store.driver.impl.StateStoreSerializableImpl
获取记录的主键。
getPrincipal() - Method in exception org.apache.hadoop.security.KerberosAuthException
 
getPrincipalName() - Method in class org.apache.hadoop.yarn.service.api.records.KerberosPrincipal
服务的主体名称。
getPriority() - Method in class org.apache.hadoop.mapreduce.Job
获取作业的调度信息。
getPriority() - Method in class org.apache.hadoop.mapreduce.JobStatus
返回作业的优先级
getPriority() - Method in class org.apache.hadoop.yarn.api.records.ApplicationReport
获取应用程序的优先级
getPriority() - Method in class org.apache.hadoop.yarn.api.records.ApplicationSubmissionContext
Get the Priority of the application.
getPriority() - Method in class org.apache.hadoop.yarn.api.records.Container
Get the Priority at which the Container was allocated.
getPriority() - Method in class org.apache.hadoop.yarn.api.records.ContainerReport
Get the allocated Priority of the container.
getPriority() - Method in class org.apache.hadoop.yarn.api.records.优先级
获取分配的优先级
getPriority() - Method in class org.apache.hadoop.yarn.api.records.ReservationDefinition
获取此预订的优先级。
getPriority() - Method in class org.apache.hadoop.yarn.api.records.ResourceRequest
Get the Priority of the request.
getPriority() - Method in class org.apache.hadoop.yarn.api.records.SchedulingRequest
 
getPriority() - Method in class org.apache.hadoop.yarn.security.ContainerTokenIdentifier
 
getPriorityLevel() - Static method in class org.apache.hadoop.ipc.Server
 
getPrivilegedContainer() - Method in class org.apache.hadoop.yarn.service.api.records.Container
 
getProblems() - Method in exception org.apache.hadoop.mapred.InvalidInputException
获取已报告问题的完整列表。
getProblems() - Method in exception org.apache.hadoop.mapreduce.lib.input.InvalidInputException
获取已报告问题的完整列表。
getProcess() - Method in class org.apache.hadoop.util.Shell
获取当前正在执行给定命令的子进程。
getProcessTreeDump() - Method in class org.apache.hadoop.yarn.util.ResourceCalculatorProcessTree
获取进程树的转储信息。
getProfile() - Method in class org.apache.hadoop.yarn.service.api.records.Resource
 
getProfileEnabled() - Method in class org.apache.hadoop.mapred.JobConf
获取任务性能分析是否已启用。
getProfileEnabled() - Method in interface org.apache.hadoop.mapreduce.JobContext
获取任务性能分析是否已启用。
getProfileName() - Method in class org.apache.hadoop.yarn.api.protocolrecords.GetResourceProfileRequest
 
getProfileParams() - Method in class org.apache.hadoop.mapred.JobConf
获取性能分析器的配置参数。
getProfileParams() - Method in interface org.apache.hadoop.mapreduce.JobContext
获取性能分析器的配置参数。
getProfileTaskRange(boolean) - Method in class org.apache.hadoop.mapred.JobConf
获取要分析的map或reduce的范围。
getProfileTaskRange(boolean) - Method in interface org.apache.hadoop.mapreduce.JobContext
获取要分析的map或reduce的范围。
getProgress() - Method in class org.apache.hadoop.fs.FSDataOutputStreamBuilder
 
getProgress() - Method in class org.apache.hadoop.mapred.join.CompositeRecordReader
将所有子RR进度中的最小值作为进度报告。
getProgress() - Method in class org.apache.hadoop.mapred.join.WrappedRecordReader
从代理的RR请求进度。
getProgress() - Method in class org.apache.hadoop.mapred.KeyValueLineRecordReader
 
getProgress() - Method in class org.apache.hadoop.mapred.lib.CombineFileRecordReader
根据目前已处理的数据量返回进度。
getProgress() - Method in class org.apache.hadoop.mapred.lib.CombineFileRecordReaderWrapper
 
getProgress() - Method in interface org.apache.hadoop.mapred.RecordReader
How much of the input has the RecordReader consumed i.e.
getProgress() - Method in interface org.apache.hadoop.mapred.Reporter
获取任务的进度。
getProgress() - Method in class org.apache.hadoop.mapred.SequenceFileAsTextRecordReader
 
getProgress() - Method in class org.apache.hadoop.mapred.SequenceFileRecordReader
返回输入分片内的进度
getProgress() - Method in class org.apache.hadoop.mapreduce.lib.db.DBRecordReader
记录读取器处理其数据的当前进度。
getProgress() - Method in class org.apache.hadoop.mapreduce.lib.input.CombineFileRecordReader
根据目前已处理的数据量返回进度。
getProgress() - Method in class org.apache.hadoop.mapreduce.lib.input.CombineFileRecordReaderWrapper
 
getProgress() - Method in class org.apache.hadoop.mapreduce.lib.input.KeyValueLineRecordReader
 
getProgress() - Method in class org.apache.hadoop.mapreduce.lib.input.SequenceFileAsTextRecordReader
 
getProgress() - Method in class org.apache.hadoop.mapreduce.lib.input.SequenceFileRecordReader
返回输入分片内的进度
getProgress() - Method in class org.apache.hadoop.mapreduce.lib.join.CompositeRecordReader
将所有子RR进度的最小值报告为进度。
getProgress() - Method in class org.apache.hadoop.mapreduce.lib.join.WrappedRecordReader
从代理的RR请求进度。
getProgress() - Method in class org.apache.hadoop.mapreduce.RecordReader
记录读取器处理其数据的当前进度。
getProgress() - Method in interface org.apache.hadoop.mapreduce.TaskAttemptContext
任务尝试的当前进度。
getProgress() - Method in class org.apache.hadoop.yarn.api.protocolrecords.AllocateRequest
Get the current progress of application.
getProgress() - Method in class org.apache.hadoop.yarn.api.records.ApplicationReport
获取应用程序的进度(范围从0.0到1.0)
getProgressible() - Method in interface org.apache.hadoop.mapred.JobContext
获取用于报告进度的进度机制。
getProgressible() - Method in interface org.apache.hadoop.mapred.TaskAttemptContext
 
getProgressPollInterval(Configuration) - Static method in class org.apache.hadoop.mapreduce.Job
monitorAndPrintJob() 打印状态的间隔时间
getProperties() - Method in class org.apache.hadoop.mapreduce.QueueInfo
获取属性。
getProperties() - Method in class org.apache.hadoop.yarn.service.api.records.ConfigFile
 
getProperties() - Method in class org.apache.hadoop.yarn.service.api.records.配置
 
getProperties() - Method in class org.apache.hadoop.yarn.service.api.records.ReadinessCheck
用于配置检查的一组键值对。
getProperty(String, String) - Method in class org.apache.hadoop.yarn.service.api.records.配置
 
getProperty(String) - Method in class org.apache.hadoop.yarn.service.api.records.配置
 
getPropertyBool(String, boolean) - Method in class org.apache.hadoop.yarn.service.api.records.配置
 
getPropertyInt(String, int) - Method in class org.apache.hadoop.yarn.service.api.records.配置
 
getPropertyLong(String, long) - Method in class org.apache.hadoop.yarn.service.api.records.配置
 
getPropertySources(String) - Method in class org.apache.hadoop.conf.配置
获取有关属性设置原因的信息。
getProps() - Method in class org.apache.hadoop.conf.配置
 
getPropsWithPrefix(String) - Method in class org.apache.hadoop.conf.配置
构建一个配置映射,并包含所有以指定配置前缀开头的属性。
getProto() - Method in class org.apache.hadoop.yarn.security.AMRMTokenIdentifier
 
getProto() - Method in class org.apache.hadoop.yarn.security.client.ClientToAMTokenIdentifier
 
getProto() - Method in class org.apache.hadoop.yarn.security.ContainerTokenIdentifier
 
getProto() - Method in class org.apache.hadoop.yarn.security.NMTokenIdentifier
 
getProtocol() - Static method in class org.apache.hadoop.ipc.Server
 
getProtocVersion() - Static method in class org.apache.hadoop.util.VersionInfo
返回用于构建的协议版本。
getProvidedStorageLocation() - Method in class org.apache.hadoop.hdfs.server.common.FileRegion
 
getProviders(Configuration) - Static method in class org.apache.hadoop.crypto.key.KeyProviderFactory
 
getProviders(Configuration) - Static method in class org.apache.hadoop.security.alias.CredentialProviderFactory
 
getProxy(Configuration, int) - Method in class org.apache.hadoop.ha.HAServiceTarget
 
getProxy(Configuration, Class, InetSocketAddress) - Static method in class org.apache.hadoop.yarn.client.AHSProxy
 
getProxyGroups() - Method in class org.apache.hadoop.security.authorize.DefaultImpersonationProvider
 
getProxyHosts() - Method in class org.apache.hadoop.security.authorize.DefaultImpersonationProvider
 
getProxySuperuserGroupConfKey(String) - Method in class org.apache.hadoop.security.authorize.DefaultImpersonationProvider
返回超级用户允许的有效组的配置键
getProxySuperuserIpConfKey(String) - Method in class org.apache.hadoop.security.authorize.DefaultImpersonationProvider
返回超级用户IP地址的配置键
getProxySuperuserUserConfKey(String) - Method in class org.apache.hadoop.security.authorize.DefaultImpersonationProvider
返回超级用户有效用户组允许的配置键
getPurgeIntervalNanos() - Method in class org.apache.hadoop.ipc.Server
 
getQualifiedBin(String) - Static method in class org.apache.hadoop.util.Shell
完整指定一个二进制文件的路径,该文件应位于已知的hadoop bin目录中。
getQualifiedBinPath(String) - Static method in class org.apache.hadoop.util.Shell
完整指定一个二进制文件的路径,该文件应位于已知的hadoop bin目录中。
getQuantiles() - Method in class org.apache.hadoop.metrics2.lib.MutableInverseQuantiles
返回在MutableInverseQuantiles中声明的逆分位数数组。
getQuantiles() - Method in class org.apache.hadoop.metrics2.lib.MutableQuantiles
返回在MutableQuantiles中声明的分位数数组。
getQueue(String) - Method in class org.apache.hadoop.mapreduce.集群
获取指定名称的队列信息。
getQueue() - Method in class org.apache.hadoop.mapreduce.JobStatus
获取队列名称
getQueue() - Method in class org.apache.hadoop.yarn.api.protocolrecords.RegisterApplicationMasterResponse
获取应用程序被分配到的队列。
getQueue() - Method in class org.apache.hadoop.yarn.api.protocolrecords.ReservationListRequest
获取队列名称以用于查找预留资源。
getQueue() - Method in class org.apache.hadoop.yarn.api.protocolrecords.ReservationSubmissionRequest
Get the name of the Plan that corresponds to the name of the QueueInfo in the scheduler to which the reservation will be submitted to.
getQueue() - Method in class org.apache.hadoop.yarn.api.records.ApplicationReport
Get the queue to which the application was submitted.
getQueue() - Method in class org.apache.hadoop.yarn.api.records.ApplicationSubmissionContext
Get the queue to which the application is being submitted.
getQueue() - Method in class org.apache.hadoop.yarn.api.records.timelineservice.ApplicationEntity
 
getQueue() - Method in class org.apache.hadoop.yarn.service.api.records.Service
 
getQueueAclsForCurrentUser() - Method in class org.apache.hadoop.mapred.JobClient
获取当前用户的队列ACLs
getQueueAclsForCurrentUser() - Method in class org.apache.hadoop.mapreduce.集群
获取当前用户的队列ACLs
getQueueAclsInfo() - Method in class org.apache.hadoop.yarn.client.api.YarnClient
Get information about acls for current user on all the existing queues.
getQueueChildren() - Method in class org.apache.hadoop.mapreduce.QueueInfo
获取直接子节点。
getQueueConfigurations() - Method in class org.apache.hadoop.yarn.api.records.QueueInfo
获取队列的每个节点标签队列配置。
getQueueInfo(String) - Method in class org.apache.hadoop.mapred.JobClient
获取与特定作业队列关联的队列信息
getQueueInfo(GetQueueInfoRequest) - Method in interface org.apache.hadoop.yarn.api.ApplicationClientProtocol
The interface used by clients to get information about queues from the ResourceManager.
getQueueInfo() - Method in class org.apache.hadoop.yarn.api.protocolrecords.GetQueueInfoResponse
Get the QueueInfo for the specified queue.
getQueueInfo(String) - Method in class org.apache.hadoop.yarn.client.api.YarnClient
Get information (QueueInfo) about a given queue.
getQueueInfo(String, String) - Method in class org.apache.hadoop.yarn.client.api.YarnClient
Get information (QueueInfo) about a given queue.
GetQueueInfoRequest - Class in org.apache.hadoop.yarn.api.protocolrecords
The request sent by clients to get queue information from the ResourceManager.
GetQueueInfoRequest() - Constructor for class org.apache.hadoop.yarn.api.protocolrecords.GetQueueInfoRequest
 
GetQueueInfoResponse - Class in org.apache.hadoop.yarn.api.protocolrecords
The response sent by the ResourceManager to a client requesting information about queues in the system.
GetQueueInfoResponse() - Constructor for class org.apache.hadoop.yarn.api.protocolrecords.GetQueueInfoResponse
 
getQueueName() - Method in class org.apache.hadoop.mapred.JobConf
返回此作业提交到的队列名称。
getQueueName() - Method in class org.apache.hadoop.mapreduce.QueueAclsInfo
获取队列名称。
getQueueName() - Method in class org.apache.hadoop.mapreduce.QueueInfo
从JobQueueInfo获取队列名称
getQueueName() - Method in class org.apache.hadoop.yarn.api.protocolrecords.GetQueueInfoRequest
Get the queue name for which to get queue information.
getQueueName() - Method in class org.apache.hadoop.yarn.api.records.QueueInfo
Get the name of the queue.
getQueueName() - Method in class org.apache.hadoop.yarn.api.records.QueueUserACLInfo
Get the queue name of the queue.
getQueuePath() - Method in class org.apache.hadoop.yarn.api.records.QueueInfo
Get the path of the queue.
getQueues() - Method in class org.apache.hadoop.mapred.JobClient
返回一个包含所有已配置作业队列信息的对象数组。
getQueues() - Method in class org.apache.hadoop.mapreduce.集群
获取集群中的所有队列。
getQueueState() - Method in class org.apache.hadoop.mapred.JobQueueInfo
Deprecated.
getQueueState() - Method in class org.apache.hadoop.yarn.api.records.QueueInfo
Get the QueueState of the queue.
getQueueStatistics() - Method in class org.apache.hadoop.yarn.api.records.QueueInfo
Get the queue stats for the queue
getQueueUsagePercentage() - Method in class org.apache.hadoop.yarn.api.records.ApplicationResourceUsageReport
获取应用程序正在使用的队列资源百分比。
getQueueUserAcls(GetQueueUserAclsInfoRequest) - Method in interface org.apache.hadoop.yarn.api.ApplicationClientProtocol
The interface used by clients to get information about queue acls for current user from the ResourceManager.
GetQueueUserAclsInfoRequest - Class in org.apache.hadoop.yarn.api.protocolrecords
The request sent by clients to the ResourceManager to get queue acls for the current user.
GetQueueUserAclsInfoRequest() - Constructor for class org.apache.hadoop.yarn.api.protocolrecords.GetQueueUserAclsInfoRequest
 
GetQueueUserAclsInfoResponse - Class in org.apache.hadoop.yarn.api.protocolrecords
The response sent by the ResourceManager to clients seeking queue acls for the user.
GetQueueUserAclsInfoResponse() - Constructor for class org.apache.hadoop.yarn.api.protocolrecords.GetQueueUserAclsInfoResponse
 
getQuicklinks() - Method in class org.apache.hadoop.yarn.service.api.records.组件
 
getQuicklinks() - Method in class org.apache.hadoop.yarn.service.api.records.Service
 
getQuota() - Method in class org.apache.hadoop.fs.QuotaUsage
返回目录配额。
getQuotaHeaderFields() - Static method in class org.apache.hadoop.fs.ContentSummary
返回配额摘要中使用的字段名称。
getQuotaUsage(Path) - Method in class org.apache.hadoop.fs.FileSystem
Return the QuotaUsage of a given Path.
getQuotaUsage(boolean) - Method in class org.apache.hadoop.fs.QuotaUsage
 
getQuotaUsage(Path) - Method in class org.apache.hadoop.fs.viewfs.ViewFileSystem
 
getRackName() - Method in class org.apache.hadoop.yarn.api.records.NodeReport
Get the rack name for the node.
getRange(String, String) - Method in class org.apache.hadoop.conf.配置
将给定的属性解析为一组整数范围。
getRaw(String) - Method in class org.apache.hadoop.conf.配置
Get the value of the name property, without doing 变量扩展.If the key is deprecated, it returns the value of the first key which replaces the deprecated key and is not null.
getRaw() - Method in class org.apache.hadoop.fs.LocalFileSystem
 
getRawFileSystem() - Method in class org.apache.hadoop.fs.ChecksumFileSystem
获取原始文件系统
getRawFileSystem() - Method in class org.apache.hadoop.fs.FilterFileSystem
获取原始文件系统
getReader(BlockAliasMap.Reader.Options, String) - Method in class org.apache.hadoop.hdfs.server.common.blockaliasmap.BlockAliasMap
返回一个指向别名映射的读取器。
getReader(BlockAliasMap.Reader.Options, String) - Method in class org.apache.hadoop.hdfs.server.common.blockaliasmap.impl.LevelDBFileRegionAliasMap
 
getReader(BlockAliasMap.Reader.Options, String) - Method in class org.apache.hadoop.hdfs.server.common.blockaliasmap.impl.TextFileRegionAliasMap
 
getReader(BlockAliasMap.Reader.Options, String) - Method in class org.apache.hadoop.hdfs.server.namenode.NullBlockAliasMap
 
getReaders(FileSystem, Path, Configuration) - Static method in class org.apache.hadoop.mapred.MapFileOutputFormat
打开此格式生成的输出。
getReaders(Configuration, Path) - Static method in class org.apache.hadoop.mapred.SequenceFileOutputFormat
打开此格式生成的输出。
getReaders(Path, Configuration) - Static method in class org.apache.hadoop.mapreduce.lib.output.MapFileOutputFormat
打开此格式生成的输出。
getReaders() - Method in class org.apache.hadoop.yarn.api.records.timeline.TimelineDomain
获取读取器(和/或读取器组)列表字符串
getReaders() - Method in class org.apache.hadoop.yarn.api.records.timelineservice.TimelineDomain
获取读取器(和/或读取器组)列表字符串。
getReadinessCheck() - Method in class org.apache.hadoop.yarn.service.api.records.组件
 
getReadlinkCommand(String) - Static method in class org.apache.hadoop.util.Shell
返回用于读取符号链接目标的命令。
getReadStatistics() - Method in class org.apache.hadoop.hdfs.client.HdfsDataInputStream
获取此DFSInputStream已完成的读取操作的统计信息。
getReadyJobs() - Method in class org.apache.hadoop.mapred.jobcontrol.JobControl
 
getReadyJobsList() - Method in class org.apache.hadoop.mapreduce.lib.jobcontrol.JobControl
 
getReal() - Method in class org.apache.hadoop.yarn.api.records.timelineservice.TimelineEntity
 
getRealAuthenticationMethod() - Method in class org.apache.hadoop.security.UserGroupInformation
从真实用户的主题中获取认证方法。
getRealAuthenticationMethod(UserGroupInformation) - Static method in class org.apache.hadoop.security.UserGroupInformation
返回一个ugi的认证方法。
getRealtimeAggregationOp() - Method in class org.apache.hadoop.yarn.api.records.timelineservice.TimelineMetric
获取该指标的实时聚合操作。
getRealUser() - Method in class org.apache.hadoop.security.token.delegation.AbstractDelegationTokenIdentifier
 
getRealUser() - Method in class org.apache.hadoop.security.UserGroupInformation
获取真实用户 (对比
getRealUserOrSelf(UserGroupInformation) - Static method in class org.apache.hadoop.security.UserGroupInformation
如果这是一个代理用户,获取真实用户。
getReason() - Method in class org.apache.hadoop.yarn.api.records.RejectedSchedulingRequest
获取拒绝原因。
getReason() - Method in class org.apache.hadoop.yarn.api.records.UpdateContainerError
获取更新请求无法满足的原因。
getReasonForBlacklist() - Method in class org.apache.hadoop.mapreduce.TaskTrackerInfo
获取任务跟踪器被列入黑名单的原因。
getRecordLength(Configuration) - Static method in class org.apache.hadoop.mapred.FixedLengthInputFormat
获取记录长度值
getRecordLength(Configuration) - Static method in class org.apache.hadoop.mapreduce.lib.input.FixedLengthInputFormat
获取记录长度值
getRecordReader(InputSplit, JobConf, Reporter) - Method in class org.apache.hadoop.mapred.FileInputFormat
 
getRecordReader(InputSplit, JobConf, Reporter) - Method in class org.apache.hadoop.mapred.FixedLengthInputFormat
 
getRecordReader(InputSplit, JobConf, Reporter) - Method in interface org.apache.hadoop.mapred.InputFormat
Get the RecordReader for the given InputSplit.
getRecordReader(InputSplit, JobConf, Reporter) - Method in interface org.apache.hadoop.mapred.join.ComposableInputFormat
 
getRecordReader(InputSplit, JobConf, Reporter) - Method in class org.apache.hadoop.mapred.join.CompositeInputFormat
为这个InputFormat的子节点构建一个CompositeRecordReader,如初始化表达式中所定义。
getRecordReader(InputSplit, JobConf, Reporter) - Method in class org.apache.hadoop.mapred.KeyValueTextInputFormat
 
getRecordReader(InputSplit, JobConf, Reporter) - Method in class org.apache.hadoop.mapred.lib.CombineFileInputFormat
此功能尚未实现。
getRecordReader(InputSplit, JobConf, Reporter) - Method in class org.apache.hadoop.mapred.lib.CombineSequenceFileInputFormat
 
getRecordReader(InputSplit, JobConf, Reporter) - Method in class org.apache.hadoop.mapred.lib.CombineTextInputFormat
 
getRecordReader(InputSplit, JobConf, Reporter) - Method in class org.apache.hadoop.mapred.lib.db.DBInputFormat
Get the RecordReader for the given InputSplit.
getRecordReader(InputSplit, JobConf, Reporter) - Method in class org.apache.hadoop.mapred.lib.NLineInputFormat
 
getRecordReader(InputSplit, JobConf, Reporter) - Method in class org.apache.hadoop.mapred.MultiFileInputFormat
 
getRecordReader(InputSplit, JobConf, Reporter) - Method in class org.apache.hadoop.mapred.SequenceFileAsBinaryInputFormat
 
getRecordReader(InputSplit, JobConf, Reporter) - Method in class org.apache.hadoop.mapred.SequenceFileAsTextInputFormat
 
getRecordReader(InputSplit, JobConf, Reporter) - Method in class org.apache.hadoop.mapred.SequenceFileInputFilter
为给定的分片创建记录读取器
getRecordReader(InputSplit, JobConf, Reporter) - Method in class org.apache.hadoop.mapred.SequenceFileInputFormat
 
getRecordReader(InputSplit, JobConf, Reporter) - Method in class org.apache.hadoop.mapred.TextInputFormat
 
getRecordReaderQueue() - Method in class org.apache.hadoop.mapred.join.CompositeRecordReader
返回此复合记录的有序记录读取器列表。
getRecordReaderQueue() - Method in class org.apache.hadoop.mapreduce.lib.join.CompositeRecordReader
返回此复合记录读取器的排序列表。
getRecordWriter(FileSystem, JobConf, String, Progressable) - Method in class org.apache.hadoop.mapred.FileOutputFormat
 
getRecordWriter(FileSystem, JobConf, String, Progressable) - Method in class org.apache.hadoop.mapred.lib.db.DBOutputFormat
Get the RecordWriter for the given job.
getRecordWriter(FileSystem, JobConf, String, Progressable) - Method in class org.apache.hadoop.mapred.lib.FilterOutputFormat
 
getRecordWriter(FileSystem, JobConf, String, Progressable) - Method in class org.apache.hadoop.mapred.lib.LazyOutputFormat
 
getRecordWriter(FileSystem, JobConf, String, Progressable) - Method in class org.apache.hadoop.mapred.lib.MultipleOutputFormat
创建一个复合记录写入器,可以将键/值数据写入不同的输出文件
getRecordWriter(FileSystem, JobConf, String, Progressable) - Method in class org.apache.hadoop.mapred.lib.NullOutputFormat
 
getRecordWriter(FileSystem, JobConf, String, Progressable) - Method in class org.apache.hadoop.mapred.MapFileOutputFormat
 
getRecordWriter(FileSystem, JobConf, String, Progressable) - Method in interface org.apache.hadoop.mapred.OutputFormat
Get the RecordWriter for the given job.
getRecordWriter(FileSystem, JobConf, String, Progressable) - Method in class org.apache.hadoop.mapred.SequenceFileAsBinaryOutputFormat
 
getRecordWriter(FileSystem, JobConf, String, Progressable) - Method in class org.apache.hadoop.mapred.SequenceFileOutputFormat
 
getRecordWriter(FileSystem, JobConf, String, Progressable) - Method in class org.apache.hadoop.mapred.TextOutputFormat
 
getRecordWriter(TaskAttemptContext) - Method in class org.apache.hadoop.mapreduce.lib.db.DBOutputFormat
Get the RecordWriter for the given task.
getRecordWriter(TaskAttemptContext) - Method in class org.apache.hadoop.mapreduce.lib.output.FileOutputFormat
 
getRecordWriter(TaskAttemptContext) - Method in class org.apache.hadoop.mapreduce.lib.output.FilterOutputFormat
 
getRecordWriter(TaskAttemptContext) - Method in class org.apache.hadoop.mapreduce.lib.output.LazyOutputFormat
 
getRecordWriter(TaskAttemptContext) - Method in class org.apache.hadoop.mapreduce.lib.output.MapFileOutputFormat
 
getRecordWriter(TaskAttemptContext) - Method in class org.apache.hadoop.mapreduce.lib.output.NullOutputFormat
 
getRecordWriter(TaskAttemptContext) - Method in class org.apache.hadoop.mapreduce.lib.output.SequenceFileAsBinaryOutputFormat
 
getRecordWriter(TaskAttemptContext) - Method in class org.apache.hadoop.mapreduce.lib.output.SequenceFileOutputFormat
 
getRecordWriter(TaskAttemptContext) - Method in class org.apache.hadoop.mapreduce.lib.output.TextOutputFormat
 
getRecordWriter(TaskAttemptContext) - Method in class org.apache.hadoop.mapreduce.OutputFormat
Get the RecordWriter for the given task.
getRecurrenceExpression() - Method in class org.apache.hadoop.yarn.api.records.ReservationDefinition
获取此预约的重复周期,表示周期性作业的时间段。
getRecursive() - Method in class org.apache.hadoop.yarn.api.protocolrecords.GetQueueInfoRequest
Is information on the entire child queue hierarchy required?
getReduceDebugScript() - Method in class org.apache.hadoop.mapred.JobConf
获取reduce任务的调试脚本
getReduceProgress() - Method in class org.apache.hadoop.mapreduce.JobStatus
 
getReducerClass() - Method in class org.apache.hadoop.mapred.JobConf
Get the Reducer class for the job.
getReducerClass() - Method in interface org.apache.hadoop.mapreduce.JobContext
Get the Reducer class for the job.
getReducerContext(ReduceContext) - Method in class org.apache.hadoop.mapreduce.lib.reduce.WrappedReducer
A a wrapped Reducer.Context for custom implementations.
getReducerMaxSkipGroups(Configuration) - Static method in class org.apache.hadoop.mapred.SkipBadRecords
获取每个坏组在reducer中周围可接受的跳过组的数量。
getReduceSlotCapacity() - Method in class org.apache.hadoop.mapreduce.ClusterMetrics
获取集群中reduce插槽的总数。
getReduceSpeculativeExecution() - Method in class org.apache.hadoop.mapred.JobConf
Should speculative execution be used for this job for reduce tasks? Defaults to true.
getReduceTaskReports(JobID) - Method in class org.apache.hadoop.mapred.JobClient
获取作业中reduce任务当前状态的信息。
getReduceTaskReports(String) - Method in class org.apache.hadoop.mapred.JobClient
Deprecated.
Applications should rather use JobClient.getReduceTaskReports(JobID)
getReduceTasks() - Method in class org.apache.hadoop.mapred.ClusterStatus
获取集群中当前正在运行的reduce任务数量。
getRefreshToken() - Method in class org.apache.hadoop.hdfs.web.oauth2.ConfRefreshTokenBasedAccessTokenProvider
 
getRegisteredTimelineV2Client() - Method in class org.apache.hadoop.yarn.client.api.AMRMClient
获取已注册的时间线v2客户端。
getRegisteredTimelineV2Client() - Method in class org.apache.hadoop.yarn.client.api.async.AMRMClientAsync
获取已注册的时间线客户端。
getRejectedSchedulingRequests() - Method in class org.apache.hadoop.yarn.api.protocolrecords.AllocateResponse
获取资源管理器(RM)在当前分配调用与上一次调用之间拒绝的所有调度请求(SchedulingRequests)列表。
getRelatedEntities() - Method in class org.apache.hadoop.yarn.api.records.timeline.TimelineEntity
获取相关实体
getRelatesToEntities() - Method in class org.apache.hadoop.yarn.api.records.timelineservice.TimelineEntity
 
getRelativePath(Path) - Method in class org.apache.hadoop.fs.azurebfs.AzureBlobFileSystemStore
 
getRelativePath(String, String, String) - Static method in class org.apache.hadoop.yarn.applications.distributedshell.ApplicationMaster
 
getRelaxLocality() - Method in class org.apache.hadoop.yarn.api.records.ResourceRequest
Get whether locality relaxation is enabled with this ResourceRequest.
getReleaseList() - Method in class org.apache.hadoop.yarn.api.protocolrecords.AllocateRequest
Get the list of ContainerId of containers being released by the ApplicationMaster.
getRemaining() - Method in class org.apache.hadoop.fs.FsStatus
返回文件系统上的剩余字节数。
getRemaining() - Method in interface org.apache.hadoop.io.compress.Decompressor
返回压缩数据缓冲区中剩余的字节数。
getRemainingTime() - Method in class org.apache.hadoop.yarn.api.records.ApplicationTimeout
Get Remaining Time of an application for given timeout type.
getRemoteAddress() - Static method in class org.apache.hadoop.ipc.Server
 
getRemoteAddress() - Method in class org.apache.hadoop.yarn.security.AccessRequest
 
getRemoteAppLogDir(ApplicationId, String) - Method in class org.apache.hadoop.yarn.logaggregation.filecontroller.LogAggregationFileController
获取用于日志聚合的远程应用程序目录。
getRemoteIp() - Static method in class org.apache.hadoop.ipc.Server
 
getRemoteNodeLogFileForApp(ApplicationId, String, NodeId) - Method in class org.apache.hadoop.yarn.logaggregation.filecontroller.LogAggregationFileController
获取远程聚合日志路径。
getRemotePort() - Static method in class org.apache.hadoop.ipc.Server
 
getRemoteRootLogDir() - Method in class org.apache.hadoop.yarn.logaggregation.filecontroller.LogAggregationFileController
获取远程根日志目录。
getRemoteRootLogDirSuffix() - Method in class org.apache.hadoop.yarn.logaggregation.filecontroller.LogAggregationFileController
获取日志聚合目录后缀。
getRemoteUser() - Static method in class org.apache.hadoop.ipc.Server
当在RPC内部调用时返回RPC远程用户。
getRenewer() - Method in interface org.apache.hadoop.mapreduce.v2.api.protocolrecords.GetDelegationTokenRequest
 
getRenewer() - Method in class org.apache.hadoop.security.token.delegation.AbstractDelegationTokenIdentifier
 
getRenewer() - Method in class org.apache.hadoop.yarn.api.protocolrecords.GetDelegationTokenRequest
 
getReplication(Path) - Method in class org.apache.hadoop.fs.adl.AdlFileSystem
Deprecated.
Use getFileStatus() instead
getReplication() - Method in class org.apache.hadoop.fs.FileStatus
获取文件的复制因子。
getReplication(Path) - Method in class org.apache.hadoop.fs.FileSystem
Deprecated.
getReplication() - Method in class org.apache.hadoop.fs.FSDataOutputStreamBuilder
 
getReplication() - Method in class org.apache.hadoop.fs.FsServerDefaults
 
getReplication() - Method in class org.apache.hadoop.fs.impl.MultipartUploaderBuilderImpl
 
getReplication() - Method in class org.apache.hadoop.hdfs.inotify.Event.CreateEvent
如果CreateEvent的iNodeType是目录或符号链接,则复制数为零。
getReplication() - Method in class org.apache.hadoop.hdfs.inotify.Event.MetadataUpdateEvent
 
getReplication() - Method in class org.apache.hadoop.hdfs.protocol.CacheDirectiveInfo
 
getReplication(FileStatus) - Method in class org.apache.hadoop.hdfs.server.namenode.BlockResolver
 
getReplication(FileStatus) - Method in class org.apache.hadoop.hdfs.server.namenode.FixedBlockMultiReplicaResolver
 
getReplication(FileStatus) - Method in class org.apache.hadoop.hdfs.server.namenode.FixedBlockResolver
 
getReplicationFallbacks() - Method in interface org.apache.hadoop.fs.BlockStoragePolicySpi
获取用于复制现有块副本的备用存储类型。
getReport() - Method in class org.apache.hadoop.mapreduce.lib.aggregate.DoubleValueSum
 
getReport() - Method in class org.apache.hadoop.mapreduce.lib.aggregate.LongValueMax
 
getReport() - Method in class org.apache.hadoop.mapreduce.lib.aggregate.LongValueMin
 
getReport() - Method in class org.apache.hadoop.mapreduce.lib.aggregate.LongValueSum
 
getReport() - Method in class org.apache.hadoop.mapreduce.lib.aggregate.StringValueMax
 
getReport() - Method in class org.apache.hadoop.mapreduce.lib.aggregate.StringValueMin
 
getReport() - Method in class org.apache.hadoop.mapreduce.lib.aggregate.UniqValueCount
 
getReport() - Method in interface org.apache.hadoop.mapreduce.lib.aggregate.ValueAggregator
 
getReport() - Method in class org.apache.hadoop.mapreduce.lib.aggregate.ValueHistogram
 
getReportDetails() - Method in class org.apache.hadoop.mapreduce.lib.aggregate.ValueHistogram
 
getReportItems() - Method in class org.apache.hadoop.mapreduce.lib.aggregate.ValueHistogram
 
getRepresentingCharacter(TaskType) - Static method in class org.apache.hadoop.mapreduce.TaskID
Gets the character representing the TaskType.
getRequest() - Method in class org.apache.hadoop.yarn.api.records.RejectedSchedulingRequest
获取被拒绝的调度请求。
getReservationAllocationState() - Method in class org.apache.hadoop.yarn.api.protocolrecords.ReservationListResponse
Get the list of ReservationAllocationState, that corresponds to a reservation in the scheduler.
getReservationDefinition() - Method in class org.apache.hadoop.yarn.api.protocolrecords.ReservationSubmissionRequest
Get the ReservationDefinition representing the user constraints for this reservation
getReservationDefinition() - Method in class org.apache.hadoop.yarn.api.protocolrecords.ReservationUpdateRequest
Get the ReservationDefinition representing the updated user constraints for this reservation
getReservationDefinition() - Method in class org.apache.hadoop.yarn.api.records.ReservationAllocationState
获取用于创建预留的预留定义。
getReservationId() - Method in class org.apache.hadoop.mapreduce.Job
获取作业提交到的预留资源(如果有)
getReservationId() - Method in class org.apache.hadoop.yarn.api.protocolrecords.GetNewReservationResponse
Get a new ReservationId to be used to submit a reservation.
getReservationId() - Method in class org.apache.hadoop.yarn.api.protocolrecords.ReservationDeleteRequest
Get the ReservationId, that corresponds to a valid resource allocation in the scheduler (between start and end time of this reservation)
getReservationId() - Method in class org.apache.hadoop.yarn.api.protocolrecords.ReservationListRequest
获取用于查找预约的预约ID。
getReservationId() - Method in class org.apache.hadoop.yarn.api.protocolrecords.ReservationSubmissionRequest
获取与预留提交相对应的预留ID。
getReservationId() - Method in class org.apache.hadoop.yarn.api.protocolrecords.ReservationUpdateRequest
Get the ReservationId, that corresponds to a valid resource allocation in the scheduler (between start and end time of this reservation)
getReservationID() - Method in class org.apache.hadoop.yarn.api.records.ApplicationSubmissionContext
获取与调度程序中有效资源分配相对应的预留ID(位于对应预留的开始和结束时间之间)
getReservationId() - Method in class org.apache.hadoop.yarn.api.records.ReservationAllocationState
获取预约的ID。
getReservationName() - Method in class org.apache.hadoop.yarn.api.records.ReservationDefinition
获取此预订的名称。
getReservationRequests() - Method in class org.apache.hadoop.yarn.api.records.ReservationDefinition
Get the list of ReservationRequests representing the resources required by the application
getReservationResources() - Method in class org.apache.hadoop.yarn.api.records.ReservationRequests
Get the list of ReservationRequest representing the resources required by the application
getReservedContainers() - Method in class org.apache.hadoop.yarn.api.records.QueueStatistics
获取预留容器的数量。
getReservedMapSlots() - Method in class org.apache.hadoop.mapreduce.ClusterMetrics
获取集群中保留的map槽位数量。
getReservedMem() - Method in class org.apache.hadoop.mapreduce.JobStatus
 
getReservedMemoryMB() - Method in class org.apache.hadoop.yarn.api.records.QueueStatistics
获取保留内存大小(单位:MB)
getReservedReduceSlots() - Method in class org.apache.hadoop.mapreduce.ClusterMetrics
获取集群中保留的reduce槽位数量。
getReservedResourceMemory() - Method in class org.apache.hadoop.yarn.api.records.QueueInfo
获取预留的资源内存。
getReservedResources() - Method in class org.apache.hadoop.yarn.api.records.ApplicationResourceUsageReport
Get the reserved Resource.
getReservedResourceVCore() - Method in class org.apache.hadoop.yarn.api.records.QueueInfo
获取保留的资源VCore。
getReservedVCores() - Method in class org.apache.hadoop.yarn.api.records.QueueStatistics
获取保留的虚拟核心数
getResource(String) - Method in class org.apache.hadoop.conf.配置
Get the URL for the named resource.
getResource(String) - Method in class org.apache.hadoop.util.ApplicationClassLoader
 
getResource() - Method in class org.apache.hadoop.yarn.api.protocolrecords.GetResourceProfileResponse
获取如果使用该配置文件将会分配的资源。
getResource() - Method in class org.apache.hadoop.yarn.api.records.ApplicationSubmissionContext
Get the resource required by the ApplicationMaster for this application.
getResource() - Method in class org.apache.hadoop.yarn.api.records.Container
Get the Resource allocated to the container.
getResource() - Method in class org.apache.hadoop.yarn.api.records.LocalResource
Get the location of the resource to be localized.
getResource() - Method in class org.apache.hadoop.yarn.security.ContainerTokenIdentifier
 
getResource() - Method in class org.apache.hadoop.yarn.service.api.records.组件
 
getResource() - Method in class org.apache.hadoop.yarn.service.api.records.Container
 
getResource() - Method in class org.apache.hadoop.yarn.service.api.records.Service
 
getResourceAllocationRequests() - Method in class org.apache.hadoop.yarn.api.records.ReservationAllocationState
根据计划的当前状态获取预留的资源分配情况。
getResourceBlacklistRequest() - Method in class org.apache.hadoop.yarn.api.protocolrecords.AllocateRequest
Get the ResourceBlacklistRequest being sent by the ApplicationMaster.
getResourceCalculatorProcessTree(String, Class, Configuration) - Static method in class org.apache.hadoop.yarn.util.ResourceCalculatorProcessTree
根据类名创建以指定进程为根的ResourceCalculatorProcessTree并进行配置。
getResourceInformation(String) - Method in class org.apache.hadoop.yarn.api.records.Resource
获取指定资源的ResourceInformation信息。
getResourceKey() - Method in class org.apache.hadoop.yarn.api.protocolrecords.ReleaseSharedCacheResourceRequest
Get the key of the resource to be released.
getResourceKey() - Method in class org.apache.hadoop.yarn.api.protocolrecords.UseSharedCacheResourceRequest
Get the key of the resource to be used.
getResourceKey() - Method in class org.apache.hadoop.yarn.api.records.LocalizationStatus
获取资源键。
getResourceName() - Method in class org.apache.hadoop.yarn.api.records.ResourceRequest
获取资源(例如
getResourceProfile(GetResourceProfileRequest) - Method in interface org.apache.hadoop.yarn.api.ApplicationClientProtocol
获取特定资源配置文件详情的接口。
getResourceProfile(String) - Method in class org.apache.hadoop.yarn.client.api.YarnClient
从资源管理器(RM)获取特定资源配置文件的详细信息。
GetResourceProfileRequest - Class in org.apache.hadoop.yarn.api.protocolrecords
获取特定资源配置文件详情的请求类。
GetResourceProfileRequest() - Constructor for class org.apache.hadoop.yarn.api.protocolrecords.GetResourceProfileRequest
 
GetResourceProfileResponse - Class in org.apache.hadoop.yarn.api.protocolrecords
用于获取特定资源配置文件详情的响应类。
GetResourceProfileResponse() - Constructor for class org.apache.hadoop.yarn.api.protocolrecords.GetResourceProfileResponse
 
getResourceProfiles(GetAllResourceProfilesRequest) - Method in interface org.apache.hadoop.yarn.api.ApplicationClientProtocol
客户端用于获取ResourceManager上所有可用资源配置文件的接口。
getResourceProfiles() - Method in class org.apache.hadoop.yarn.api.protocolrecords.GetAllResourceProfilesResponse
 
getResourceProfiles() - Method in class org.apache.hadoop.yarn.api.protocolrecords.RegisterApplicationMasterResponse
从资源管理器获取支持的资源配置文件列表。
getResourceProfiles() - Method in class org.apache.hadoop.yarn.client.api.YarnClient
获取资源管理器(RM)中可用的资源配置文件。
getResourceRequest() - Method in class org.apache.hadoop.yarn.api.records.PreemptionContract
If the AM releases resources matching these requests, then the PreemptionContainers enumerated in PreemptionContract.getContainers() should not be evicted from the cluster.
getResourceRequest() - Method in class org.apache.hadoop.yarn.api.records.PreemptionResourceRequest
 
getResources() - Method in class org.apache.hadoop.yarn.api.records.ResourceSizing
 
getResourceSecondsMap() - Method in class org.apache.hadoop.yarn.api.records.ApplicationResourceUsageReport
获取应用程序已分配资源的聚合数量乘以应用程序运行时间的秒数。
getResourceSizing() - Method in class org.apache.hadoop.yarn.api.records.SchedulingRequest
 
getResourceTypeInfo(GetAllResourceTypeInfoRequest) - Method in interface org.apache.hadoop.yarn.api.ApplicationClientProtocol
获取特定资源配置文件详细信息的接口。
getResourceTypeInfo() - Method in class org.apache.hadoop.yarn.api.protocolrecords.GetAllResourceTypeInfoResponse
 
getResourceTypeInfo() - Method in class org.apache.hadoop.yarn.client.api.YarnClient
获取资源管理器(RM)支持的可用资源类型。
getResourceTypes() - Method in class org.apache.hadoop.yarn.api.protocolrecords.RegisterApplicationMasterResponse
获取资源管理器(RM)支持的可用资源类型。
getResourceValue(String) - Method in class org.apache.hadoop.yarn.api.records.Resource
获取指定资源的值。
getResponseFromNMWebService(Configuration, Client, ContainerLogsRequest, String) - Method in class org.apache.hadoop.yarn.client.cli.LogsCLI
 
getResponseId() - Method in class org.apache.hadoop.yarn.api.protocolrecords.AllocateRequest
Get the response id used to track duplicate responses.
getResponseId() - Method in class org.apache.hadoop.yarn.api.protocolrecords.AllocateResponse
Get the last response id.
getRestartPolicy() - Method in class org.apache.hadoop.yarn.service.api.records.组件
组件重启策略。
getRetryCount() - Static method in class org.apache.hadoop.ipc.Client
 
getRetryInterval() - Method in class org.apache.hadoop.yarn.api.records.ContainerRetryContext
 
getRetryPolicy() - Method in class org.apache.hadoop.yarn.api.records.ContainerRetryContext
 
getRevision() - Static method in class org.apache.hadoop.util.VersionInfo
获取编译时仓库的Git提交哈希值。
getRMClusterId() - Method in class org.apache.hadoop.yarn.api.records.ApplicationReport
获取RM集群ID。
getRMDelegationToken() - Method in class org.apache.hadoop.yarn.api.protocolrecords.GetDelegationTokenResponse
The Delegation tokens have a identifier which maps to AbstractDelegationTokenIdentifier.
getRMDelegationToken(Text) - Method in class org.apache.hadoop.yarn.client.api.YarnClient
获取一个委托令牌,以便能够使用这些令牌与YARN进行通信。
getRMDelegationTokenService(Configuration) - Static method in class org.apache.hadoop.yarn.client.ClientRMProxy
获取用于RMDelegationToken的令牌服务名称。
getRMFailoverProxyProvider(YarnConfiguration, Class, RMProxy) - Static method in class org.apache.hadoop.yarn.client.RMProxy
 
getRMIdentifier() - Method in class org.apache.hadoop.yarn.security.ContainerTokenIdentifier
获取分配容器的资源管理器(RM)的RM标识符。
getRolledLogsExcludePattern() - Method in class org.apache.hadoop.yarn.api.records.LogAggregationContext
获取用于滚动聚合的排除模式。
getRolledLogsIncludePattern() - Method in class org.apache.hadoop.yarn.api.records.LogAggregationContext
以滚动方式获取包含模式。
getRollInterval() - Method in class org.apache.hadoop.metrics2.sink.RollingFileSystemSink
从配置中提取滚动间隔并以毫秒为单位返回。
getRootQueueInfos() - Method in class org.apache.hadoop.yarn.client.api.YarnClient
Get information (QueueInfo) about top level queues.
getRootQueues() - Method in class org.apache.hadoop.mapred.JobClient
返回一个关于已配置的根级别队列信息的对象数组
getRootQueues() - Method in class org.apache.hadoop.mapreduce.集群
获取根级队列。
getRpcDetailedMetrics() - Method in class org.apache.hadoop.ipc.Server
 
getRpcInvoker(RPC.RpcKind) - Static method in class org.apache.hadoop.ipc.Server
 
getRpcMetrics() - Method in class org.apache.hadoop.ipc.Server
返回rpcMetrics的句柄(测试中需要)
getRpcPort() - Method in class org.apache.hadoop.yarn.api.protocolrecords.RegisterApplicationMasterRequest
Get the RPC port on which the ApplicationMaster is responding.
getRpcPort() - Method in class org.apache.hadoop.yarn.api.records.ApplicationAttemptReport
Get the RPC port of this attempt ApplicationMaster.
getRpcPort() - Method in class org.apache.hadoop.yarn.api.records.ApplicationReport
Get the RPC port of the ApplicationMaster.
getRpcRequestWrapper(RpcHeaderProtos.RpcKindProto) - Method in class org.apache.hadoop.ipc.Server
 
getRpcTimeout(Configuration) - Static method in class org.apache.hadoop.ipc.Client
RPC调用超时的时间。
getRssMemorySize() - Method in class org.apache.hadoop.yarn.util.ResourceCalculatorProcessTree
获取进程树中所有进程使用的驻留集大小(rss)内存。
getRssMemorySize(int) - Method in class org.apache.hadoop.yarn.util.ResourceCalculatorProcessTree
获取进程树中所有早于传入年龄的进程所使用的常驻集大小(rss)内存。
getRunId() - Method in class org.apache.hadoop.yarn.api.records.timelineservice.FlowRunEntity
 
getRunningJobList() - Method in class org.apache.hadoop.mapreduce.lib.jobcontrol.JobControl
 
getRunningJobs() - Method in class org.apache.hadoop.mapred.jobcontrol.JobControl
 
getRunningMaps() - Method in class org.apache.hadoop.mapreduce.ClusterMetrics
获取集群中正在运行的map任务数量。
getRunningReduces() - Method in class org.apache.hadoop.mapreduce.ClusterMetrics
获取集群中正在运行的reduce任务数量。
getRunningTaskAttempts() - Method in class org.apache.hadoop.mapred.TaskReport
获取此任务的正在运行的任务尝试ID
getRunPrivilegedContainer() - Method in class org.apache.hadoop.yarn.service.api.records.组件
 
getRunScriptCommand(File) - Static method in class org.apache.hadoop.util.Shell
返回一个用于运行给定脚本的命令。
getRunState() - Method in class org.apache.hadoop.mapred.JobStatus
 
getSamples() - Method in class org.apache.hadoop.fs.statistics.MeanStatistic
获取样本数量。
getSchedulerResourceTypes() - Method in class org.apache.hadoop.yarn.api.protocolrecords.RegisterApplicationMasterResponse
获取调度器考虑的资源类型集合。
getSchedulerType() - Method in class org.apache.hadoop.yarn.api.records.QueueInfo
获取调度器类型。
getSchedulingInfo() - Method in class org.apache.hadoop.mapreduce.Job
获取作业的调度信息。
getSchedulingInfo() - Method in class org.apache.hadoop.mapreduce.JobStatus
获取与特定Job关联的调度信息。
getSchedulingInfo() - Method in class org.apache.hadoop.mapreduce.QueueInfo
获取与特定作业队列关联的调度信息。
getSchedulingRequests() - Method in class org.apache.hadoop.yarn.api.protocolrecords.AllocateRequest
Get the list of Scheduling requests being sent by the ApplicationMaster.
getScheme() - Method in class org.apache.hadoop.fs.adl.AdlFileSystem
 
getScheme() - Method in class org.apache.hadoop.fs.azure.NativeAzureFileSystem
 
getScheme() - Method in class org.apache.hadoop.fs.FileSystem
返回该文件系统的协议方案。
getScheme() - Method in class org.apache.hadoop.fs.ftp.FTPFileSystem
返回FileSystem的协议方案。
getScheme() - Method in class org.apache.hadoop.fs.LocalFileSystem
返回FileSystem的协议方案。
getScheme() - Method in class org.apache.hadoop.fs.s3native.NativeS3FileSystem
Deprecated.
返回FileSystem的协议方案。
getScheme() - Method in class org.apache.hadoop.fs.StorageStatistics
 
getScheme() - Method in class org.apache.hadoop.fs.viewfs.ViewFileSystem
返回FileSystem的协议方案。
getScheme() - Method in class org.apache.hadoop.yarn.api.records.URL
获取URL的方案。
getScope() - Method in class org.apache.hadoop.fs.permission.AclEntry
返回ACL条目的作用范围。
getScope() - Method in class org.apache.hadoop.yarn.service.api.records.PlacementConstraint
 
getSecretKey(Credentials, Text) - Static method in class org.apache.hadoop.mapreduce.security.TokenCache
获取用户密钥的辅助方法。
getSecretKey(Text) - Method in class org.apache.hadoop.security.Credentials
返回该别名的密钥字节。
getSecretKeyMap() - Method in class org.apache.hadoop.security.Credentials
返回一个不可修改的完整别名到密钥的映射版本。
getSelectQuery() - Method in class org.apache.hadoop.mapreduce.lib.db.DataDrivenDBRecordReader
返回用于选择记录的查询,子类可以覆盖此方法以实现自定义行为。
getSelectQuery() - Method in class org.apache.hadoop.mapreduce.lib.db.DBRecordReader
返回用于选择记录的查询,子类可以覆盖此方法以实现自定义行为。
getSelectQuery() - Method in class org.apache.hadoop.mapreduce.lib.db.OracleDBRecordReader
返回从Oracle数据库中选择记录的查询语句。
getSequenceFileOutputKeyClass(JobConf) - Static method in class org.apache.hadoop.mapred.SequenceFileAsBinaryOutputFormat
Get the key class for the SequenceFile
getSequenceFileOutputKeyClass(JobContext) - Static method in class org.apache.hadoop.mapreduce.lib.output.SequenceFileAsBinaryOutputFormat
Get the key class for the SequenceFile
getSequenceFileOutputValueClass(JobConf) - Static method in class org.apache.hadoop.mapred.SequenceFileAsBinaryOutputFormat
Get the value class for the SequenceFile
getSequenceFileOutputValueClass(JobContext) - Static method in class org.apache.hadoop.mapreduce.lib.output.SequenceFileAsBinaryOutputFormat
Get the value class for the SequenceFile
getSequenceNumber() - Method in class org.apache.hadoop.security.token.delegation.AbstractDelegationTokenIdentifier
 
getSequenceWriter(TaskAttemptContext, Class, Class) - Method in class org.apache.hadoop.mapreduce.lib.output.SequenceFileOutputFormat
 
getServerDefaults() - Method in class org.apache.hadoop.fs.AbstractFileSystem
getServerDefaults(Path) - Method in class org.apache.hadoop.fs.AbstractFileSystem
根据路径返回一组服务器默认配置值。
getServerDefaults(Path) - Method in class org.apache.hadoop.fs.FileContext
根据路径返回一组服务器默认配置值。
getServerDefaults() - Method in class org.apache.hadoop.fs.FileSystem
Deprecated.
getServerDefaults(Path) - Method in class org.apache.hadoop.fs.FileSystem
返回一组服务器默认配置值。
getServerDefaults() - Method in class org.apache.hadoop.fs.FilterFileSystem
 
getServerDefaults(Path) - Method in class org.apache.hadoop.fs.FilterFileSystem
 
getServerDefaults() - Method in class org.apache.hadoop.fs.viewfs.ViewFileSystem
 
getServerDefaults(Path) - Method in class org.apache.hadoop.fs.viewfs.ViewFileSystem
 
getServerDefaults() - Method in class org.apache.hadoop.fs.viewfs.ViewFs
Deprecated.
getServerDefaults(Path) - Method in class org.apache.hadoop.fs.viewfs.ViewFs
 
getServerName() - Method in class org.apache.hadoop.ipc.Server
 
getServerPrincipal(String, String) - Static method in class org.apache.hadoop.security.SecurityUtil
将Kerberos主体名称模式转换为有效的Kerberos主体名称。
getServerPrincipal(String, InetAddress) - Static method in class org.apache.hadoop.security.SecurityUtil
将Kerberos主体名称模式转换为有效的Kerberos主体名称。
getServerRpcInvoker(RPC.RpcKind) - Method in class org.apache.hadoop.ipc.Server
 
getService() - Method in class org.apache.hadoop.security.token.Token
获取令牌预期使用的服务。
getService() - Method in class org.apache.hadoop.yarn.api.records.Token
获取令牌所分配到的服务。
getServiceData() - Method in class org.apache.hadoop.yarn.api.records.ContainerLaunchContext
Get application-specific binary service data.
getServices() - Method in class org.apache.hadoop.service.CompositeService
获取服务的克隆列表
getServiceState() - Method in class org.apache.hadoop.service.AbstractService
 
getServiceState() - Method in interface org.apache.hadoop.service.Service
获取当前服务状态
getServiceStatus() - Method in interface org.apache.hadoop.ha.HAServiceProtocol
返回服务的当前状态。
getSessionId() - Method in class org.apache.hadoop.mapred.JobConf
Deprecated.
getSetOwnerCommand(String) - Static method in class org.apache.hadoop.util.Shell
返回设置所有者的命令。
getSetPermissionCommand(String, boolean) - Static method in class org.apache.hadoop.util.Shell
返回设置权限的命令。
getSetPermissionCommand(String, boolean, String) - Static method in class org.apache.hadoop.util.Shell
返回一个用于设置特定文件权限的命令。
getSetupProgress() - Method in class org.apache.hadoop.mapreduce.JobStatus
 
getSetupTaskReports(JobID) - Method in class org.apache.hadoop.mapred.JobClient
获取作业设置任务的当前状态信息。
getShortUserName() - Method in class org.apache.hadoop.security.UserGroupInformation
获取用户的登录名。
getShouldBeUploadedToSharedCache() - Method in class org.apache.hadoop.yarn.api.records.LocalResource
NM用它来决定是否有必要将资源上传到共享缓存
getSignalKillCommand(int, String) - Static method in class org.apache.hadoop.util.Shell
返回向指定pid发送信号的命令。
getSignature() - Method in class org.apache.hadoop.ipc.CallerContext
 
getSingleDataTimestamp() - Method in class org.apache.hadoop.yarn.api.records.timelineservice.TimelineMetric
获取该指标的单一数据时间戳。
getSingleDataValue() - Method in class org.apache.hadoop.yarn.api.records.timelineservice.TimelineMetric
获取该指标的单个数据值。
getSingleton() - Static method in class org.apache.hadoop.yarn.client.api.NMTokenCache
返回单例NM令牌缓存。
getSize() - Method in class org.apache.hadoop.io.BytesWritable
Deprecated.
getSize() - Method in class org.apache.hadoop.yarn.api.records.LocalResource
Get the size of the resource to be localized.
getSkipNodeInterval(Configuration) - Static method in class org.apache.hadoop.yarn.conf.YarnConfiguration
如果节点未发送心跳信号,则返回超时以跳过该节点的调度。
getSkipOutputPath(Configuration) - Static method in class org.apache.hadoop.mapred.SkipBadRecords
获取写入跳过记录的目录。
getSnapshotDirectoryCount() - Method in class org.apache.hadoop.fs.ContentSummary
 
getSnapshotFileCount() - Method in class org.apache.hadoop.fs.ContentSummary
 
getSnapshotHeader() - Static method in class org.apache.hadoop.fs.ContentSummary
 
getSnapshotLength() - Method in class org.apache.hadoop.fs.ContentSummary
 
getSnapshotSpaceConsumed() - Method in class org.apache.hadoop.fs.ContentSummary
 
getSnapshotTimeStamp() - Method in class org.apache.hadoop.metrics2.lib.MutableStat
 
getSnapshotTrashRootEnabled() - Method in class org.apache.hadoop.fs.FsServerDefaults
 
getSocketAddr(String, String, String, int) - Method in class org.apache.hadoop.conf.配置
Get the socket address for hostProperty as a InetSocketAddress.
getSocketAddr(String, String, int) - Method in class org.apache.hadoop.conf.配置
Get the socket address for name property as a InetSocketAddress.
getSocketAddr(String, String, int) - Method in class org.apache.hadoop.yarn.conf.YarnConfiguration
Get the socket address for name property as a InetSocketAddress.
getSortComparator() - Method in interface org.apache.hadoop.mapreduce.JobContext
Get the RawComparator comparator used to compare keys.
getSourceFileListing() - Method in class org.apache.hadoop.tools.DistCpOptions
 
getSourcePaths() - Method in class org.apache.hadoop.tools.DistCpOptions
 
getSpaceConsumed() - Method in class org.apache.hadoop.fs.QuotaUsage
返回已消耗的(磁盘)空间。
getSpaceQuota() - Method in class org.apache.hadoop.fs.QuotaUsage
返回(磁盘)空间配额。
getSpeculativeExecution() - Method in class org.apache.hadoop.mapred.JobConf
Should speculative execution be used for this job? Defaults to true.
getSplit() - Method in class org.apache.hadoop.mapreduce.lib.db.DBRecordReader
 
getSplitHosts(BlockLocation[], long, long, NetworkTopology) - Method in class org.apache.hadoop.mapred.FileInputFormat
此函数识别并返回对给定分片贡献最大的主机。
getSplits(JobConf, int) - Method in class org.apache.hadoop.mapred.FileInputFormat
Splits files returned by FileInputFormat.listStatus(JobConf) when they're too big.
getSplits(JobConf, int) - Method in interface org.apache.hadoop.mapred.InputFormat
从逻辑上分割作业的输入文件集。
getSplits(JobConf, int) - Method in class org.apache.hadoop.mapred.join.CompositeInputFormat
通过将每个子InputFormat的第i个分片分配给第i个组合分片,从子InputFormats构建一个CompositeInputSplit。
getSplits(JobConf, int) - Method in class org.apache.hadoop.mapred.lib.CombineFileInputFormat
 
getSplits(JobConf, int) - Method in class org.apache.hadoop.mapred.lib.db.DBInputFormat
从逻辑上分割作业的输入文件集。
getSplits(JobConf, int) - Method in class org.apache.hadoop.mapred.lib.NLineInputFormat
逻辑上将作业的输入文件集进行分割,将输入的N行作为一个分割块。
getSplits(JobConf, int) - Method in class org.apache.hadoop.mapred.MultiFileInputFormat
 
getSplits(JobContext) - Method in class org.apache.hadoop.mapreduce.InputFormat
从逻辑上分割作业的输入文件集。
getSplits(JobContext) - Method in class org.apache.hadoop.mapreduce.lib.db.DataDrivenDBInputFormat
从逻辑上分割作业的输入文件集。
getSplits(JobContext) - Method in class org.apache.hadoop.mapreduce.lib.db.DBInputFormat
逻辑上将作业的输入文件集进行分割。
getSplits(JobContext) - Method in class org.apache.hadoop.mapreduce.lib.input.CombineFileInputFormat
 
getSplits(JobContext) - Method in class org.apache.hadoop.mapreduce.lib.input.FileInputFormat
生成文件列表并将其转换为FileSplits。
getSplits(JobContext) - Method in class org.apache.hadoop.mapreduce.lib.input.NLineInputFormat
逻辑上将作业的输入文件集进行分割,将输入文件的每N行作为一个分割块。
getSplits(JobContext) - Method in class org.apache.hadoop.mapreduce.lib.join.CompositeInputFormat
通过将每个子InputFormat的第i个分片分配给第i个复合分片,从子InputFormats构建一个CompositeInputSplit。
getSplitsForFile(FileStatus, Configuration, int) - Static method in class org.apache.hadoop.mapreduce.lib.input.NLineInputFormat
 
getSplitter(int) - Method in class org.apache.hadoop.mapreduce.lib.db.DataDrivenDBInputFormat
 
getSplitter(int) - Method in class org.apache.hadoop.mapreduce.lib.db.OracleDataDrivenDBInputFormat
 
getSrcChecksum() - Static method in class org.apache.hadoop.util.VersionInfo
获取构建Hadoop所用源文件的校验和。
getSrcFile() - Method in class org.apache.hadoop.yarn.service.api.records.ConfigFile
 
getSrcPath() - Method in class org.apache.hadoop.hdfs.inotify.Event.RenameEvent
 
getStackTrace() - Method in exception org.apache.hadoop.security.authorize.AuthorizationException
 
getStage() - Method in class org.apache.hadoop.mapreduce.lib.output.committer.manifest.files.ManifestSuccessData
 
getStagingAreaDir() - Method in class org.apache.hadoop.mapred.JobClient
获取应用程序的暂存区域目录
getStagingAreaDir() - Method in class org.apache.hadoop.mapreduce.集群
获取作业跟踪器对暂存目录路径的视图,作业特定文件将被放置在此处。
getStart() - Method in class org.apache.hadoop.mapred.FileSplit
文件中要处理的第一个字节的位置。
getStart() - Method in class org.apache.hadoop.mapreduce.lib.input.FileSplit
文件中要处理的第一个字节的位置。
getStartContainerRequests() - Method in class org.apache.hadoop.yarn.api.protocolrecords.StartContainersRequest
Get a list of StartContainerRequest to start containers.
getStartOffsets() - Method in class org.apache.hadoop.mapreduce.lib.input.CombineFileSplit
返回一个数组,包含分片中文件的起始偏移量
getStartTime() - Method in class org.apache.hadoop.mapreduce.Job
获取作业的启动时间。
getStartTime() - Method in class org.apache.hadoop.mapreduce.JobStatus
 
getStartTime() - Method in class org.apache.hadoop.service.AbstractService
 
getStartTime() - Method in interface org.apache.hadoop.service.Service
获取服务启动时间
getStartTime() - Method in class org.apache.hadoop.yarn.api.protocolrecords.ReservationListRequest
获取用于搜索预留的开始时间。
getStartTime() - Method in class org.apache.hadoop.yarn.api.records.ApplicationAttemptReport
 
getStartTime() - Method in class org.apache.hadoop.yarn.api.records.ApplicationReport
Get the start time of the application.
getStartTime() - Method in class org.apache.hadoop.yarn.api.records.ResourceAllocationRequest
获取资源分配的开始时间。
getStartTime() - Method in class org.apache.hadoop.yarn.api.records.timeline.TimelineEntity
获取实体的开始时间
getStartTime() - Method in class org.apache.hadoop.yarn.api.records.timelineservice.FlowRunEntity
 
getState() - Method in class org.apache.hadoop.mapred.jobcontrol.Job
 
getState() - Method in class org.apache.hadoop.mapred.jobcontrol.JobControl
 
getState() - Method in class org.apache.hadoop.mapreduce.JobStatus
 
getState() - Method in class org.apache.hadoop.mapreduce.lib.output.committer.manifest.files.ManifestSuccessData
 
getState() - Method in class org.apache.hadoop.mapreduce.QueueInfo
返回队列状态
getState(String) - Static method in enum org.apache.hadoop.mapreduce.QueueState
 
getState() - Method in class org.apache.hadoop.service.ServiceStateModel
查询服务状态。
getState() - Method in class org.apache.hadoop.yarn.api.records.ContainerStatus
Get the ContainerState of the container.
getState() - Method in class org.apache.hadoop.yarn.service.api.records.组件
 
getState() - Method in class org.apache.hadoop.yarn.service.api.records.Container
 
getState() - Method in class org.apache.hadoop.yarn.service.api.records.LocalizationStatus
本地化状态。
getState() - Method in class org.apache.hadoop.yarn.service.api.records.Service
 
getState() - Method in class org.apache.hadoop.yarn.service.api.records.ServiceStatus
 
getStatement() - Method in class org.apache.hadoop.mapreduce.lib.db.DBRecordReader
 
getStateName() - Method in enum org.apache.hadoop.mapreduce.QueueState
 
getStatistics() - Method in class org.apache.hadoop.fs.AbstractFileSystem
 
getStatistics(URI) - Static method in class org.apache.hadoop.fs.AbstractFileSystem
获取特定文件系统的统计信息。
getStatistics(URI) - Static method in class org.apache.hadoop.fs.FileContext
获取特定文件系统的统计信息
getStatistics() - Static method in class org.apache.hadoop.fs.FileSystem
getStatistics(String, Class) - Static method in class org.apache.hadoop.fs.FileSystem
getStats() - Method in class org.apache.hadoop.hdfs.protocol.CacheDirectiveEntry
 
getStats() - Method in class org.apache.hadoop.hdfs.protocol.CachePoolEntry
 
getStats(long) - Method in class org.apache.hadoop.metrics2.lib.MutableRollingAverages
获取一个指标名称到(聚合值)的映射表。
getStatus() - Method in class org.apache.hadoop.fs.FileSystem
返回一个描述文件系统使用情况和容量的状态对象。
getStatus(Path) - Method in class org.apache.hadoop.fs.FileSystem
返回一个状态对象,描述文件系统的使用情况和容量。
getStatus(Path) - Method in class org.apache.hadoop.fs.FilterFileSystem
 
getStatus() - Method in class org.apache.hadoop.fs.impl.FutureDataInputStreamBuilderImpl
getStatus(Path) - Method in class org.apache.hadoop.fs.RawLocalFileSystem
 
getStatus() - Method in class org.apache.hadoop.fs.viewfs.ViewFileSystem
 
getStatus(Path) - Method in class org.apache.hadoop.fs.viewfs.ViewFileSystem
 
getStatus(FileSystem, Path) - Static method in class org.apache.hadoop.fs.viewfs.ViewFileSystemUtil
获取给定ViewFileSystem中与路径匹配的所有ViewFsMountPoints的FsStatus状态。
getStatus() - Method in class org.apache.hadoop.mapreduce.Job
 
getStatus() - Method in class org.apache.hadoop.mapreduce.lib.output.committer.manifest.files.DirEntry
 
getStatus() - Method in interface org.apache.hadoop.mapreduce.TaskAttemptContext
获取最后设置的状态消息。
getStatus() - Method in class org.apache.hadoop.mapreduce.TaskCompletionEvent
getStatus(String) - Method in class org.apache.hadoop.yarn.service.client.ServiceClient
 
getStatusCode() - Method in exception org.apache.hadoop.fs.azurebfs.contracts.exceptions.AbfsRestOperationException
 
getStatusCode() - Method in enum org.apache.hadoop.fs.azurebfs.contracts.services.AzureServiceErrorCode
 
getStatusString(String) - Method in class org.apache.hadoop.yarn.client.api.AppAdminClient
获取YARN应用程序的详细应用特定状态字符串。
getStatusString(String) - Method in class org.apache.hadoop.yarn.service.client.ServiceClient
 
getSteadyFairShareMemory() - Method in class org.apache.hadoop.yarn.api.records.QueueInfo
获取SteadyFairShare内存。
getSteadyFairShareVCore() - Method in class org.apache.hadoop.yarn.api.records.QueueInfo
获取SteadyFairShare的VCore。
getStickyBit() - Method in class org.apache.hadoop.fs.permission.FsPermission
 
getStorageBytesRead() - Method in class org.apache.hadoop.util.SysInfo
获取从磁盘读取的聚合字节数。
getStorageBytesWritten() - Method in class org.apache.hadoop.util.SysInfo
获取写入磁盘的总字节数。
getStorageIds() - Method in class org.apache.hadoop.fs.BlockLocation
获取该数据块每个副本的storageID。
getStorageInfos() - Method in interface org.apache.hadoop.hdfs.qjournal.server.JournalNodeMXBean
获取JournalNode日志的存储信息列表。
getStoragePolicy(Path) - Method in class org.apache.hadoop.fs.AbstractFileSystem
获取指定文件或目录的存储策略。
getStoragePolicy(Path) - Method in class org.apache.hadoop.fs.FileContext
查询给定文件或目录的有效存储策略ID。
getStoragePolicy(Path) - Method in class org.apache.hadoop.fs.FileSystem
查询给定文件或目录的有效存储策略ID。
getStoragePolicy(Path) - Method in class org.apache.hadoop.fs.FilterFileSystem
 
getStoragePolicy(Path) - Method in class org.apache.hadoop.fs.viewfs.ViewFileSystem
 
getStoragePolicy(Path) - Method in class org.apache.hadoop.fs.viewfs.ViewFs
获取指定文件或目录的存储策略。
getStoragePolicy(Path) - Method in class org.apache.hadoop.hdfs.client.HdfsAdmin
查询给定文件或目录的有效存储策略ID。
getStorageSize(String, String, StorageUnit) - Method in class org.apache.hadoop.conf.配置
从配置中获取存储大小,或返回默认值。
getStorageSize(String, double, StorageUnit) - Method in class org.apache.hadoop.conf.配置
从配置文件中获取存储大小。
getStorageStatistics() - Method in class org.apache.hadoop.fs.FileSystem
获取此FileSystem对象的存储统计信息。
getStorageTypeHeader(List) - Static method in class org.apache.hadoop.fs.QuotaUsage
返回带有存储类型的头部信息。
getStorageTypes() - Method in class org.apache.hadoop.fs.BlockLocation
获取该数据块每个副本的存储类型。
getStorageTypes() - Method in interface org.apache.hadoop.fs.BlockStoragePolicySpi
返回与此策略关联的首选存储类型。
getStore() - Method in class org.apache.hadoop.fs.azure.NativeAzureFileSystem
出于单元测试目的,获取支持此文件系统的AzureNativeFileSystemStore存储。
getStr() - Method in class org.apache.hadoop.mapred.join.Parser.StrToken
 
getStr() - Method in class org.apache.hadoop.mapred.join.Parser.Token
 
getStr() - Method in class org.apache.hadoop.mapreduce.lib.join.Parser.StrToken
 
getStr() - Method in class org.apache.hadoop.mapreduce.lib.join.Parser.Token
 
getStrictContract() - Method in class org.apache.hadoop.yarn.api.records.PreemptionMessage
 
getStringCollection(String) - Method in class org.apache.hadoop.conf.配置
Get the comma delimited values of the name property as a collection of Strings.
getStrings(String) - Method in class org.apache.hadoop.conf.配置
Get the comma delimited values of the name property as an array of Strings.
getStrings(String, String...) - Method in class org.apache.hadoop.conf.配置
Get the comma delimited values of the name property as an array of Strings.
getSubClusterId() - Method in class org.apache.hadoop.yarn.api.protocolrecords.GetQueueInfoRequest
获取子集群ID。
getSubClusterId() - Method in class org.apache.hadoop.yarn.api.records.QueueInfo
获取子集群ID。
getSubject() - Method in class org.apache.hadoop.security.UserGroupInformation
从这个ugi获取底层主题。
getSubmitTime() - Method in class org.apache.hadoop.yarn.api.records.ApplicationReport
 
getSuccess() - Method in class org.apache.hadoop.mapreduce.lib.output.committer.manifest.files.ManifestSuccessData
获取成功标志。
getSuccessfulJobList() - Method in class org.apache.hadoop.mapreduce.lib.jobcontrol.JobControl
 
getSuccessfulJobs() - Method in class org.apache.hadoop.mapred.jobcontrol.JobControl
 
getSuccessfullyIncreasedContainers() - Method in class org.apache.hadoop.yarn.api.protocolrecords.IncreaseContainersResourceResponse
获取资源已成功增加的容器的containerId列表。
getSuccessfullyStartedContainers() - Method in class org.apache.hadoop.yarn.api.protocolrecords.StartContainersResponse
Get the list of ContainerId s of the containers that are started successfully.
getSuccessfullyStoppedContainers() - Method in class org.apache.hadoop.yarn.api.protocolrecords.StopContainersResponse
获取已成功停止容器的containerId列表。
getSuccessfullyUpdatedContainers() - Method in class org.apache.hadoop.yarn.api.protocolrecords.ContainerUpdateResponse
获取资源已成功更新的容器的containerId列表。
getSuccessfulTaskAttempt() - Method in class org.apache.hadoop.mapred.TaskReport
获取完成此任务的尝试ID
getSuccessReport() - Method in class org.apache.hadoop.mapreduce.lib.output.committer.manifest.ManifestCommitter
获取清单成功数据;仅在作业后有效。
getSuffix() - Method in enum org.apache.hadoop.yarn.service.api.records.ConfigFormat
 
getSuite() - Method in class org.apache.hadoop.hdfs.protocol.EncryptionZone
 
getSum() - Method in class org.apache.hadoop.fs.statistics.MeanStatistic
获取样本的总和。
getSum() - Method in class org.apache.hadoop.mapreduce.lib.aggregate.DoubleValueSum
 
getSum() - Method in class org.apache.hadoop.mapreduce.lib.aggregate.LongValueSum
 
getSupportedCompressionAlgorithms() - Static method in class org.apache.hadoop.io.file.tfile.TFile
获取支持的压缩算法名称。
getSwitchMap() - Method in class org.apache.hadoop.net.AbstractDNSToSwitchMapping
获取地图副本(用于诊断)
getSwitchMap() - Method in class org.apache.hadoop.net.CachedDNSToSwitchMapping
获取(主机 x 交换机)映射关系。
getSymlink() - Method in class org.apache.hadoop.fs.FileStatus
 
getSymlink() - Method in interface org.apache.hadoop.mapreduce.JobContext
Deprecated.
getSymlinkCommand(String, String) - Static method in class org.apache.hadoop.util.Shell
返回一个创建符号链接的命令。
getSymlinkTarget() - Method in class org.apache.hadoop.hdfs.inotify.Event.CreateEvent
如果CreateEvent的iNodeType不是符号链接,则符号链接目标为空。
getSystemDir() - Method in class org.apache.hadoop.mapred.JobClient
获取jobtracker系统目录路径,该路径用于存放作业特定文件。
getSystemDir() - Method in class org.apache.hadoop.mapreduce.集群
获取jobtracker系统目录路径,该路径将用于存放作业特定的文件。
getTableName() - Method in class org.apache.hadoop.mapreduce.lib.db.DBRecordReader
 
getTag(String) - Method in class org.apache.hadoop.metrics2.lib.MetricsRegistry
通过名称获取标签
getTargetPath() - Method in class org.apache.hadoop.tools.DistCpOptions
 
getTargetQueue() - Method in class org.apache.hadoop.yarn.api.protocolrecords.MoveApplicationAcrossQueuesRequest
获取应用程序要放置的队列。
getTargetTags() - Method in class org.apache.hadoop.yarn.service.api.records.PlacementConstraint
 
getTaskAttemptID() - Method in interface org.apache.hadoop.mapred.TaskAttemptContext
 
getTaskAttemptId() - Method in class org.apache.hadoop.mapred.TaskCompletionEvent
返回任务ID。
getTaskAttemptID() - Method in interface org.apache.hadoop.mapreduce.TaskAttemptContext
获取此任务尝试的唯一名称。
getTaskAttemptId() - Method in class org.apache.hadoop.mapreduce.TaskCompletionEvent
返回任务ID。
getTaskAttemptIDsPattern(String, Integer, Boolean, Integer, Integer) - Static method in class org.apache.hadoop.mapred.TaskAttemptID
Deprecated.
getTaskAttemptIDsPattern(String, Integer, TaskType, Integer, Integer) - Static method in class org.apache.hadoop.mapred.TaskAttemptID
Deprecated.
getTaskAttemptPath(TaskAttemptContext) - Method in class org.apache.hadoop.fs.s3a.commit.magic.MagicS3GuardCommitter
计算任务尝试输出存储的路径,直到该任务被提交。
getTaskAttemptPath(TaskAttemptContext) - Method in class org.apache.hadoop.mapreduce.lib.output.committer.manifest.ManifestCommitter
计算任务尝试输出存储的路径,直到该任务被提交。
getTaskAttemptPath(TaskAttemptContext) - Method in class org.apache.hadoop.mapreduce.lib.output.FileOutputCommitter
计算任务尝试输出存储的路径,直到该任务被提交。
getTaskAttemptPath(TaskAttemptContext, Path) - Static method in class org.apache.hadoop.mapreduce.lib.output.FileOutputCommitter
计算任务尝试输出存储的路径,直到该任务被提交。
getTaskCleanupNeeded() - Method in interface org.apache.hadoop.mapreduce.JobContext
获取作业是否需要任务清理
getTaskCompletionEvents(int) - Method in interface org.apache.hadoop.mapred.RunningJob
获取指示组件任务完成(成功/失败)的事件。
getTaskCompletionEvents(int, int) - Method in class org.apache.hadoop.mapreduce.Job
获取指示组件任务完成(成功/失败)的事件。
getTaskCompletionEvents(int) - Method in class org.apache.hadoop.mapreduce.Job
获取指示组件任务完成(成功/失败)的事件。
getTaskDiagnostics(TaskAttemptID) - Method in interface org.apache.hadoop.mapred.RunningJob
获取给定任务尝试的诊断消息。
getTaskDiagnostics(TaskAttemptID) - Method in class org.apache.hadoop.mapreduce.Job
获取给定任务尝试的诊断消息。
getTaskID() - Method in class org.apache.hadoop.mapred.TaskAttemptID
 
getTaskId() - Method in class org.apache.hadoop.mapred.TaskCompletionEvent
Deprecated.
getTaskId() - Method in class org.apache.hadoop.mapred.TaskReport
任务ID的字符串。
getTaskID() - Method in class org.apache.hadoop.mapred.TaskReport
任务的ID。
getTaskID() - Method in class org.apache.hadoop.mapreduce.TaskAttemptID
Returns the TaskID object that this task attempt belongs to
getTaskIDsPattern(String, Integer, Boolean, Integer) - Static method in class org.apache.hadoop.mapred.TaskID
getTaskIDsPattern(String, Integer, TaskType, Integer) - Static method in class org.apache.hadoop.mapred.TaskID
Deprecated.
getTaskLogURL(TaskAttemptID, String) - Static method in class org.apache.hadoop.mapreduce.tools.CLI
 
getTaskManifestPath(TaskAttemptContext) - Method in class org.apache.hadoop.mapreduce.lib.output.committer.manifest.ManifestCommitter
任务尝试的清单文件在任务提交时将保存的路径。
getTaskOutputFilter(JobConf) - Static method in class org.apache.hadoop.mapred.JobClient
从JobConf中获取任务输出过滤器。
getTaskOutputFilter() - Method in class org.apache.hadoop.mapred.JobClient
Deprecated.
getTaskOutputFilter(Configuration) - Static method in class org.apache.hadoop.mapreduce.Job
获取任务输出过滤器。
getTaskOutputPath(JobConf, String) - Static method in class org.apache.hadoop.mapred.FileOutputFormat
辅助函数,用于创建任务的临时输出目录并返回任务输出文件的路径。
getTaskReports(TaskType) - Method in class org.apache.hadoop.mapreduce.Job
获取任务当前状态的信息。
getTaskRunTime() - Method in class org.apache.hadoop.mapreduce.TaskCompletionEvent
返回任务完成所需的时间(以毫秒为单位)。
getTaskStatus() - Method in class org.apache.hadoop.mapred.TaskCompletionEvent
getTaskTrackerCount() - Method in class org.apache.hadoop.mapreduce.ClusterMetrics
获取集群中活跃跟踪器的数量。
getTaskTrackerExpiryInterval() - Method in class org.apache.hadoop.mapreduce.集群
获取集群的任务跟踪器过期时间间隔
getTaskTrackerHttp() - Method in class org.apache.hadoop.mapreduce.TaskCompletionEvent
该任务运行的tasktracker的http位置。
getTaskTrackerName() - Method in class org.apache.hadoop.mapreduce.TaskTrackerInfo
获取任务跟踪器的名称。
getTaskTrackers() - Method in class org.apache.hadoop.mapred.ClusterStatus
获取集群中任务跟踪器的数量。
getTaskType() - Method in class org.apache.hadoop.mapreduce.TaskAttemptID
返回TaskAttemptID的任务类型
getTaskType() - Method in class org.apache.hadoop.mapreduce.TaskID
获取任务的类型。
getTaskType(char) - Static method in class org.apache.hadoop.mapreduce.TaskID
Gets the TaskType corresponding to the character.
getTempTaskAttemptPath(TaskAttemptContext) - Method in class org.apache.hadoop.fs.s3a.commit.magic.MagicS3GuardCommitter
获取用于数据的临时目录。
getTestProvider() - Static method in class org.apache.hadoop.security.authorize.DefaultImpersonationProvider
 
getTextLength() - Method in class org.apache.hadoop.io.Text
 
getThisBuilder() - Method in class org.apache.hadoop.fs.FSDataOutputStreamBuilder
返回构建器实例的具体实现。
getThisBuilder() - Method in class org.apache.hadoop.fs.impl.AbstractFSBuilderImpl
获取投射构建器。
getThisBuilder() - Method in class org.apache.hadoop.fs.impl.FutureDataInputStreamBuilderImpl
 
getThisBuilder() - Method in class org.apache.hadoop.fs.impl.MultipartUploaderBuilderImpl
返回构建器实例的具体实现。
getThreadPoolExecutor(int, String, String, String, String) - Method in class org.apache.hadoop.fs.azure.NativeAzureFileSystem
 
getThreadState() - Method in class org.apache.hadoop.mapreduce.lib.jobcontrol.JobControl
 
getTicketCacheFile() - Method in exception org.apache.hadoop.security.KerberosAuthException
 
getTime() - Method in class org.apache.hadoop.hdfs.server.federation.store.driver.StateStoreDriver
返回底层存储的当前时间同步。
getTime() - Method in interface org.apache.hadoop.yarn.util.Clock
 
getTime() - Method in class org.apache.hadoop.yarn.util.MonotonicClock
从过去的某个任意时间基准获取当前时间,以毫秒为单位计数,且不受settimeofday或类似系统时钟更改的影响。
getTime() - Method in class org.apache.hadoop.yarn.util.SystemClock
 
getTime() - Method in class org.apache.hadoop.yarn.util.UTCClock
 
getTimeDuration(String, long, TimeUnit) - Method in class org.apache.hadoop.conf.配置
返回以给定时间单位表示的持续时间。
getTimeDuration(String, String, TimeUnit) - Method in class org.apache.hadoop.conf.配置
 
getTimeDuration(String, long, TimeUnit, TimeUnit) - Method in class org.apache.hadoop.conf.配置
返回以给定时间单位表示的持续时间。
getTimeDuration(String, String, TimeUnit, TimeUnit) - Method in class org.apache.hadoop.conf.配置
 
getTimeDurationHelper(String, String, TimeUnit) - Method in class org.apache.hadoop.conf.配置
返回以给定时间单位表示的持续时间。
getTimeDurations(String, TimeUnit) - Method in class org.apache.hadoop.conf.配置
 
getTimelineEntityGroupId() - Method in class org.apache.hadoop.yarn.api.records.timeline.TimelineEntityGroupId
Get the timelineEntityGroupId.
getTimelineServiceBuildVersion() - Method in class org.apache.hadoop.yarn.api.records.timeline.TimelineAbout
 
getTimelineServiceVersion() - Method in class org.apache.hadoop.yarn.api.records.timeline.TimelineAbout
 
getTimelineServiceVersion(Configuration) - Static method in class org.apache.hadoop.yarn.conf.YarnConfiguration
返回时间轴服务版本。
getTimelineServiceVersion(Configuration) - Static method in class org.apache.hadoop.yarn.util.timeline.TimelineUtils
返回时间轴服务版本。
getTimelineServiceVersionBuiltOn() - Method in class org.apache.hadoop.yarn.api.records.timeline.TimelineAbout
 
getTimelineTokenServiceAddress(Configuration) - Static method in class org.apache.hadoop.yarn.util.timeline.TimelineUtils
 
getTimeout(Configuration) - Static method in class org.apache.hadoop.ipc.Client
Deprecated.
getTimeoutType() - Method in class org.apache.hadoop.yarn.api.records.ApplicationTimeout
获取应用程序超时类型。
getTimestamp(Configuration, URI) - Static method in class org.apache.hadoop.filecache.DistributedCache
Deprecated.
getTimestamp() - Method in class org.apache.hadoop.hdfs.inotify.Event.CloseEvent
该事件发生的时间,以自纪元以来的毫秒数表示。
getTimestamp() - Method in class org.apache.hadoop.hdfs.inotify.Event.RenameEvent
该事件发生的时间,以自纪元以来的毫秒数表示。
getTimestamp() - Method in class org.apache.hadoop.hdfs.inotify.Event.TruncateEvent
该事件发生的时间,以自纪元以来的毫秒数表示。
getTimestamp() - Method in class org.apache.hadoop.hdfs.inotify.Event.UnlinkEvent
该事件发生的时间,以自纪元以来的毫秒数表示。
getTimestamp() - Method in class org.apache.hadoop.mapreduce.lib.output.committer.manifest.files.ManifestSuccessData
 
getTimestamp() - Method in class org.apache.hadoop.yarn.api.records.LocalResource
Get the original timestamp of the resource to be localized, used for verification.
getTimestamp() - Method in class org.apache.hadoop.yarn.api.records.timeline.TimelineEvent
获取事件的时间戳
getTimestamp() - Method in class org.apache.hadoop.yarn.api.records.timelineservice.TimelineEvent
 
getTimestamp() - Method in class org.apache.hadoop.yarn.event.AbstractEvent
 
getTimestamp() - Method in interface org.apache.hadoop.yarn.event.Event
 
getToken(Text) - Method in class org.apache.hadoop.security.Credentials
返回该别名的Token对象。
getToken() - Method in class org.apache.hadoop.yarn.api.records.NMToken
Get the Token used for authenticating with NodeManager
getToken(String) - Method in class org.apache.hadoop.yarn.client.api.NMTokenCache
返回NMToken,如果不存在则返回null
getTokenIdentifiers() - Method in class org.apache.hadoop.security.UserGroupInformation
获取属于此UGI的TokenIdentifiers集合
getTokenInfo(Class, Configuration) - Static method in class org.apache.hadoop.security.SecurityUtil
查找给定协议的TokenInfo信息。
getTokenInfo(TokenIdent) - Method in class org.apache.hadoop.security.token.delegation.AbstractDelegationTokenSecretManager
对于将存储外部化的子类,例如基于Zookeeper的实现
getTokenInfo(Class, Configuration) - Method in class org.apache.hadoop.yarn.security.admin.AdminSecurityInfo
 
getTokenInfo(Class, Configuration) - Method in class org.apache.hadoop.yarn.security.client.ClientRMSecurityInfo
 
getTokenInfo(Class, Configuration) - Method in class org.apache.hadoop.yarn.security.client.ClientTimelineSecurityInfo
 
getTokenInfo(Class, Configuration) - Method in class org.apache.hadoop.yarn.security.ContainerManagerSecurityInfo
 
getTokenInfo(Class, Configuration) - Method in class org.apache.hadoop.yarn.security.SchedulerSecurityInfo
 
getTokenMap() - Method in class org.apache.hadoop.security.Credentials
返回一个不可修改的完整别名到令牌的映射版本。
getTokenRenewInterval() - Method in class org.apache.hadoop.security.token.delegation.AbstractDelegationTokenSecretManager
令牌续订的时间间隔。
getTokens() - Method in class org.apache.hadoop.security.UserGroupInformation
获取与此用户关联的令牌集合。
getTokens() - Method in class org.apache.hadoop.yarn.api.records.ContainerLaunchContext
获取该容器所需的所有令牌。
getTokensConf() - Method in class org.apache.hadoop.yarn.api.records.ContainerLaunchContext
获取RM用于续订令牌的配置。
getTokenService(Configuration, String, String, int) - Static method in class org.apache.hadoop.yarn.client.ClientRMProxy
 
getTokenServiceAddr(Token) - Static method in class org.apache.hadoop.security.SecurityUtil
将给定令牌的服务字段解码为InetAddress
getTokenTrackingId(TokenIdent) - Method in class org.apache.hadoop.security.token.delegation.AbstractDelegationTokenSecretManager
 
getTopologyPaths() - Method in class org.apache.hadoop.fs.BlockLocation
获取每个主机的网络拓扑路径列表。
getTopTokenRealOwners(int) - Method in class org.apache.hadoop.security.token.delegation.AbstractDelegationTokenSecretManager
返回顶级代币的实际所有者列表及其代币数量。
getToSnapshot() - Method in class org.apache.hadoop.tools.DistCpOptions
 
getTotalJobSubmissions() - Method in class org.apache.hadoop.mapreduce.ClusterMetrics
获取集群中作业提交的总数。
getTotalLogFileSize() - Method in class org.apache.hadoop.yarn.ContainerLogAppender
 
getTotalRequests() - Method in class org.apache.hadoop.ipc.Server
 
getTotalRequestsPerSecond() - Method in class org.apache.hadoop.ipc.Server
 
getTrackingId() - Method in class org.apache.hadoop.security.token.TokenIdentifier
返回一个跟踪标识符,可用于关联跨多个客户端会话的令牌使用情况。
getTrackingIdIfEnabled(TokenIdent) - Method in class org.apache.hadoop.security.token.delegation.AbstractDelegationTokenSecretManager
 
getTrackingURL() - Method in interface org.apache.hadoop.mapred.RunningJob
获取将显示某些作业进度信息的URL。
getTrackingURL() - Method in class org.apache.hadoop.mapreduce.Job
获取将显示某些作业进度信息的URL。
getTrackingUrl() - Method in class org.apache.hadoop.mapreduce.JobStatus
获取作业详情的Web界面链接。
getTrackingUrl() - Method in class org.apache.hadoop.yarn.api.protocolrecords.AllocateRequest
获取此心跳的跟踪URL更新。
getTrackingUrl() - Method in class org.apache.hadoop.yarn.api.protocolrecords.FinishApplicationMasterRequest
Get the tracking URL for the ApplicationMaster.
getTrackingUrl() - Method in class org.apache.hadoop.yarn.api.protocolrecords.RegisterApplicationMasterRequest
Get the tracking URL for the ApplicationMaster.
getTrackingUrl() - Method in class org.apache.hadoop.yarn.api.records.ApplicationAttemptReport
Get the tracking url for the application attempt.
getTrackingUrl() - Method in class org.apache.hadoop.yarn.api.records.ApplicationReport
Get the tracking url for the application.
getTrackPath() - Method in class org.apache.hadoop.tools.DistCpOptions
 
getTransitionTargetHAStatus() - Method in class org.apache.hadoop.ha.HAServiceTarget
 
getTransportScheme() - Method in class org.apache.hadoop.fs.adl.AdlFileSystem
 
getTrashInterval() - Method in class org.apache.hadoop.fs.FsServerDefaults
 
getTrashRoot(Path) - Method in class org.apache.hadoop.fs.FileSystem
获取当前用户指定路径被删除时的垃圾箱根目录。
getTrashRoot(Path) - Method in class org.apache.hadoop.fs.FilterFileSystem
 
getTrashRoot(Path) - Method in class org.apache.hadoop.fs.viewfs.ViewFileSystem
获取当前用户在指定路径被删除时的垃圾回收根目录。
getTrashRoots(boolean) - Method in class org.apache.hadoop.fs.FileSystem
获取当前用户或所有用户的所有垃圾回收根目录。
getTrashRoots(boolean) - Method in class org.apache.hadoop.fs.FilterFileSystem
 
getTrashRoots(boolean) - Method in class org.apache.hadoop.fs.viewfs.ViewFileSystem
获取当前用户或所有用户的所有垃圾回收根目录。
getTrimmed(String) - Method in class org.apache.hadoop.conf.配置
Get the value of the name property as a trimmed String, null if no such property exists.
getTrimmed(String, String) - Method in class org.apache.hadoop.conf.配置
Get the value of the name property as a trimmed String, defaultValue if no such property exists.
getTrimmedStringCollection(String) - Method in class org.apache.hadoop.conf.配置
Get the comma delimited values of the name property as a collection of Strings, trimmed of the leading and trailing whitespace.
getTrimmedStrings(String) - Method in class org.apache.hadoop.conf.配置
Get the comma delimited values of the name property as an array of Strings, trimmed of the leading and trailing whitespace.
getTrimmedStrings(String, String...) - Method in class org.apache.hadoop.conf.配置
Get the comma delimited values of the name property as an array of Strings, trimmed of the leading and trailing whitespace.
getTTExpiryInterval() - Method in class org.apache.hadoop.mapred.ClusterStatus
获取集群的任务跟踪器过期时间间隔
getTxid() - Method in class org.apache.hadoop.hdfs.inotify.EventBatch
 
getTxidsBehindEstimate() - Method in class org.apache.hadoop.hdfs.DFSInotifyEventInputStream
返回此流落后于NameNode当前状态的事务ID数量的估计值。
getType() - Method in class org.apache.hadoop.fs.permission.AclEntry
返回ACL条目类型。
getType() - Method in class org.apache.hadoop.mapred.join.Parser.Token
 
getType() - Method in class org.apache.hadoop.mapreduce.lib.join.Parser.Token
 
getType() - Method in class org.apache.hadoop.mapreduce.lib.output.committer.manifest.files.DirEntry
 
getType() - Method in class org.apache.hadoop.yarn.api.records.LocalResource
Get the LocalResourceType of the resource to be localized.
getType() - Method in class org.apache.hadoop.yarn.api.records.timeline.TimelineDelegationTokenResponse
 
getType() - Method in class org.apache.hadoop.yarn.api.records.timelineservice.TimelineEntity
 
getType() - Method in class org.apache.hadoop.yarn.api.records.timelineservice.TimelineMetric
 
getType() - Method in class org.apache.hadoop.yarn.event.AbstractEvent
 
getType() - Method in interface org.apache.hadoop.yarn.event.Event
 
getType() - Method in class org.apache.hadoop.yarn.service.api.records.Artifact
 
getType() - Method in class org.apache.hadoop.yarn.service.api.records.ConfigFile
 
getType() - Method in class org.apache.hadoop.yarn.service.api.records.PlacementConstraint
 
getType() - Method in class org.apache.hadoop.yarn.service.api.records.ReadinessCheck
 
getTypeConsumed(StorageType) - Method in class org.apache.hadoop.fs.QuotaUsage
返回消耗的存储类型。
getTypeQuota(StorageType) - Method in class org.apache.hadoop.fs.QuotaUsage
返回存储类型配额。
getTypes() - Method in class org.apache.hadoop.io.GenericWritable
返回所有可能被包装的类。
getTypesQuotaUsage(boolean, List) - Method in class org.apache.hadoop.fs.QuotaUsage
 
getTypesSupportingQuota() - Static method in enum org.apache.hadoop.fs.StorageType
 
getUgi() - Method in class org.apache.hadoop.fs.FileContext
获取文件上下文中的ugi
getUGIFromSubject(Subject) - Static method in class org.apache.hadoop.security.UserGroupInformation
从带有Kerberos主体的Subject创建UserGroupInformation。
getUGIFromTicketCache(String, String) - Static method in class org.apache.hadoop.security.UserGroupInformation
从Kerberos票据缓存创建UserGroupInformation。
getUid(String) - Method in interface org.apache.hadoop.security.IdMappingServiceProvider
 
getUidAllowingUnknown(String) - Method in interface org.apache.hadoop.security.IdMappingServiceProvider
 
getUMask() - Method in class org.apache.hadoop.fs.FileContext
 
getUMask(Configuration) - Static method in class org.apache.hadoop.fs.permission.FsPermission
Get the user file creation mask (umask) UMASK_LABEL config param has umask value that is either symbolic or octal.
getUnderlyingCounter() - Method in class org.apache.hadoop.mapred.Counters.Counter
 
getUnderlyingGroup() - Method in class org.apache.hadoop.mapred.Counters.Group
 
getUniqueFile(TaskAttemptContext, String, String) - Static method in class org.apache.hadoop.mapreduce.lib.output.FileOutputFormat
基于任务ID、名称和扩展名生成唯一的文件名
getUniqueItems() - Method in class org.apache.hadoop.mapreduce.lib.aggregate.UniqValueCount
 
getUniqueName(JobConf, String) - Static method in class org.apache.hadoop.mapred.FileOutputFormat
用于生成任务唯一名称的辅助函数。
getUnmanagedAM() - Method in class org.apache.hadoop.yarn.api.records.ApplicationSubmissionContext
获取RM是否应该管理AM的执行。
getUnmasked() - Method in class org.apache.hadoop.fs.permission.FsCreateModes
 
getUnmasked() - Method in class org.apache.hadoop.fs.permission.FsPermission
获取未屏蔽的权限(如果存在)。
getUpdateContainerRequest() - Method in class org.apache.hadoop.yarn.api.records.UpdateContainerError
Get the UpdateContainerRequest that was not satisfiable.
getUpdatedContainers() - Method in class org.apache.hadoop.yarn.api.protocolrecords.AllocateResponse
Get the list of newly updated containers by ResourceManager.
getUpdatedNodes() - Method in class org.apache.hadoop.yarn.api.protocolrecords.AllocateResponse
Get the list of updated NodeReports.
getUpdateErrors() - Method in class org.apache.hadoop.yarn.api.protocolrecords.AllocateResponse
获取容器更新错误列表,向Application Master报告由于错误而无法满足的容器更新情况。
getUpdateRequests() - Method in class org.apache.hadoop.yarn.api.protocolrecords.AllocateRequest
Get the list of container update requests being sent by the ApplicationMaster.
getUpdateType() - Method in class org.apache.hadoop.yarn.api.records.UpdatedContainer
Get the ContainerUpdateType.
getUri() - Method in class org.apache.hadoop.fs.AbstractFileSystem
返回一个URI,其方案和授权标识此FileSystem。
getUri() - Method in class org.apache.hadoop.fs.adl.AdlFileSystem
 
getUri() - Method in class org.apache.hadoop.fs.azure.NativeAzureFileSystem
 
getUri() - Method in class org.apache.hadoop.fs.FileSystem
返回一个标识此FileSystem的URI。
getUri() - Method in class org.apache.hadoop.fs.FilterFileSystem
返回一个URI,其方案和授权标识此FileSystem。
getUri() - Method in class org.apache.hadoop.fs.ftp.FTPFileSystem
 
getUri() - Method in class org.apache.hadoop.fs.RawLocalFileSystem
 
getUri() - Method in class org.apache.hadoop.fs.s3native.NativeS3FileSystem
Deprecated.
 
getUri() - Method in class org.apache.hadoop.fs.viewfs.ViewFileSystem
 
getUri() - Method in class org.apache.hadoop.yarn.service.api.records.Artifact
 
getUri() - Method in class org.apache.hadoop.yarn.service.api.records.BaseResource
服务的资源位置,例如
getUriDefaultPort() - Method in class org.apache.hadoop.fs.AbstractFileSystem
该文件系统的默认端口。
getUriDefaultPort() - Method in class org.apache.hadoop.fs.adl.Adl
 
getUriDefaultPort() - Method in class org.apache.hadoop.fs.azure.Wasb
 
getUriDefaultPort() - Method in class org.apache.hadoop.fs.azure.Wasbs
 
getUriDefaultPort() - Method in class org.apache.hadoop.fs.obs.OBS
 
getUriDefaultPort() - Method in class org.apache.hadoop.fs.s3a.S3A
 
getUriDefaultPort() - Method in class org.apache.hadoop.fs.viewfs.ViewFs
 
getUriPath(Path) - Method in class org.apache.hadoop.fs.AbstractFileSystem
获取路径名的路径部分。
getUrl() - Static method in class org.apache.hadoop.util.VersionInfo
获取Hadoop仓库的URL。
getUsed() - Method in class org.apache.hadoop.fs.FileSystem
返回文件系统中所有文件的总大小。
getUsed(Path) - Method in class org.apache.hadoop.fs.FileSystem
返回指定路径下所有文件的总大小。
getUsed() - Method in class org.apache.hadoop.fs.FilterFileSystem
返回文件系统中所有文件的总大小。
getUsed(Path) - Method in class org.apache.hadoop.fs.FilterFileSystem
返回指定路径下所有文件的总大小。
getUsed() - Method in class org.apache.hadoop.fs.FsStatus
返回文件系统上已使用的字节数。
getUsed() - Method in class org.apache.hadoop.fs.viewfs.ViewFileSystem
Return the total size of all files under "/", if Constants.CONFIG_VIEWFS_LINK_MERGE_SLASH is supported and is a valid mount point.
getUsed() - Method in class org.apache.hadoop.yarn.api.records.NodeReport
Get used Resource on the node.
getUsedMem() - Method in class org.apache.hadoop.mapreduce.JobStatus
 
getUsedMemory() - Method in class org.apache.hadoop.mapred.ClusterStatus
Deprecated.
getUsedResources() - Method in class org.apache.hadoop.yarn.api.records.ApplicationResourceUsageReport
Get the used Resource.
getUseNewMapper() - Method in class org.apache.hadoop.mapred.JobConf
框架是否应该使用新的上下文对象代码来运行映射器?
getUseNewReducer() - Method in class org.apache.hadoop.mapred.JobConf
框架是否应该使用新的上下文对象代码来运行reducer?
getUser() - Method in class org.apache.hadoop.fs.azurebfs.AzureBlobFileSystemStore
 
getUser() - Method in class org.apache.hadoop.mapred.JobConf
获取此作业的报告用户名。
getUser() - Method in interface org.apache.hadoop.mapreduce.JobContext
获取此任务的报告用户名。
getUser() - Method in exception org.apache.hadoop.security.KerberosAuthException
 
getUser() - Method in class org.apache.hadoop.security.token.delegation.AbstractDelegationTokenIdentifier
获取令牌标识符中编码的用户名
getUser() - Method in class org.apache.hadoop.security.token.TokenIdentifier
获取包含令牌标识符中编码用户名的Ugi
getUser() - Static method in class org.apache.hadoop.util.VersionInfo
编译Hadoop的用户。
getUser() - Method in class org.apache.hadoop.yarn.api.records.ApplicationReport
Get the user who submitted the application.
getUser() - Method in class org.apache.hadoop.yarn.api.records.ReservationAllocationState
获取创建该预留的用户。
getUser() - Method in class org.apache.hadoop.yarn.api.records.timelineservice.FlowActivityEntity
 
getUser() - Method in class org.apache.hadoop.yarn.api.records.timelineservice.FlowRunEntity
 
getUser() - Method in class org.apache.hadoop.yarn.security.AccessRequest
 
getUser() - Method in class org.apache.hadoop.yarn.security.AMRMTokenIdentifier
 
getUser() - Method in class org.apache.hadoop.yarn.security.client.ClientToAMTokenIdentifier
 
getUser() - Method in class org.apache.hadoop.yarn.security.ContainerTokenIdentifier
 
getUser() - Method in class org.apache.hadoop.yarn.security.NMTokenIdentifier
 
getUserAcls() - Method in class org.apache.hadoop.yarn.api.records.QueueUserACLInfo
Get the list of QueueACL for the given user.
getUserAclsInfoList() - Method in class org.apache.hadoop.yarn.api.protocolrecords.GetQueueUserAclsInfoResponse
Get the QueueUserACLInfo per queue for the user.
getUserAction() - Method in class org.apache.hadoop.fs.permission.FsPermission
 
getUserInfo() - Method in class org.apache.hadoop.yarn.api.records.URL
获取该URL的用户信息。
getUsername() - Method in class org.apache.hadoop.mapreduce.JobStatus
 
getUserName(int, String) - Method in interface org.apache.hadoop.security.IdMappingServiceProvider
 
getUserName() - Method in class org.apache.hadoop.security.UserGroupInformation
获取用户的完整主体名称。
getUsers() - Method in class org.apache.hadoop.security.authorize.AccessControlList
获取允许使用此服务的用户名称。
getUsersForNetgroupCommand(String) - Static method in class org.apache.hadoop.util.Shell
获取指定网络组用户列表的命令。
getVal() - Method in class org.apache.hadoop.mapreduce.lib.aggregate.LongValueMax
 
getVal() - Method in class org.apache.hadoop.mapreduce.lib.aggregate.LongValueMin
 
getVal() - Method in class org.apache.hadoop.mapreduce.lib.aggregate.StringValueMax
 
getVal() - Method in class org.apache.hadoop.mapreduce.lib.aggregate.StringValueMin
 
getValByRegex(String) - Method in class org.apache.hadoop.conf.配置
获取与正则表达式匹配的键。
getValue() - Method in class org.apache.hadoop.mapred.Counters.Counter
 
getValue() - Method in interface org.apache.hadoop.mapreduce.Counter
这个计数器的当前值是多少?
getValue() - Method in class org.apache.hadoop.mapreduce.lib.fieldsel.FieldSelectionHelper
 
getValue() - Method in class org.apache.hadoop.util.PureJavaCrc32
 
getValue() - Method in class org.apache.hadoop.util.PureJavaCrc32C
 
getValue() - Method in enum org.apache.hadoop.yarn.service.api.records.PlacementScope
 
getValueAggregatorDescriptor(String, Configuration) - Static method in class org.apache.hadoop.mapreduce.lib.aggregate.ValueAggregatorJobBase
 
getValueClass() - Method in class org.apache.hadoop.io.ArrayWritable
 
getValueClass() - Method in class org.apache.hadoop.mapred.SequenceFileRecordReader
The class of value that must be passed to SequenceFileRecordReader.next(Object, Object)..
getValues() - Method in interface org.apache.hadoop.mapreduce.ReduceContext
遍历当前键的值,重用存储在上下文中的相同值对象。
getValues() - Method in class org.apache.hadoop.yarn.api.records.timelineservice.TimelineMetric
 
getVcoreSeconds() - Method in class org.apache.hadoop.yarn.api.records.ApplicationResourceUsageReport
获取应用程序已分配的vcores聚合数量乘以应用程序运行时间的秒数。
getVectorSize() - Method in class org.apache.hadoop.util.bloom.BloomFilter
 
getVersion() - Method in class org.apache.hadoop.hdfs.protocol.EncryptionZone
 
getVersion() - Method in interface org.apache.hadoop.hdfs.qjournal.server.JournalNodeMXBean
获取Hadoop的版本。
getVersion() - Method in class org.apache.hadoop.io.VersionedWritable
 
getVersion() - Static method in class org.apache.hadoop.util.VersionInfo
获取Hadoop版本。
getVersion() - Method in class org.apache.hadoop.yarn.api.records.timelineservice.FlowRunEntity
 
getVersion() - Method in class org.apache.hadoop.yarn.security.ContainerTokenIdentifier
获取容器版本
getVersion() - Method in class org.apache.hadoop.yarn.service.api.records.Service
 
getVIntSize(long) - Static method in class org.apache.hadoop.io.WritableUtils
获取整数以变长格式存储时的编码长度。
getVIntSize(long) - Static method in class org.apache.hadoop.record.Utils
Deprecated.
获取整数以可变长度格式存储时的编码长度
getVirtualCores() - Method in class org.apache.hadoop.yarn.api.records.Resource
Get number of virtual cpu cores of the resource.
getVirtualMemory() - Method in class org.apache.hadoop.yarn.api.records.ResourceUtilization
Get used virtual memory.
getVirtualMemorySize() - Method in class org.apache.hadoop.util.SysInfo
获取系统中虚拟内存的总大小。
getVirtualMemorySize() - Method in class org.apache.hadoop.yarn.util.ResourceCalculatorProcessTree
获取进程树中所有进程使用的虚拟内存。
getVirtualMemorySize(int) - Method in class org.apache.hadoop.yarn.util.ResourceCalculatorProcessTree
获取进程树中所有早于指定年龄的进程所使用的虚拟内存。
getVisibility() - Method in class org.apache.hadoop.yarn.api.records.LocalResource
Get the LocalResourceVisibility of the resource to be localized.
getVisibility() - Method in class org.apache.hadoop.yarn.service.api.records.ConfigFile
 
getVisibleLength() - Method in class org.apache.hadoop.hdfs.client.HdfsDataInputStream
获取文件的可见长度。
getWaitingJobList() - Method in class org.apache.hadoop.mapreduce.lib.jobcontrol.JobControl
 
getWaitingJobs() - Method in class org.apache.hadoop.mapred.jobcontrol.JobControl
 
getWaitingThread() - Method in class org.apache.hadoop.util.Shell
get the thread that is waiting on this instance of Shell.
getWeight() - Method in class org.apache.hadoop.yarn.api.records.QueueInfo
Get the configured weight of the queue.
getWinUtilsFile() - Static method in class org.apache.hadoop.util.Shell
获取winutils的文件引用。
getWinUtilsPath() - Static method in class org.apache.hadoop.util.Shell
定位winutils二进制文件,若失败则抛出带有明确异常信息和堆栈跟踪的运行时异常(RTE)。
getWorkingDirectory() - Method in class org.apache.hadoop.fs.adl.AdlFileSystem
获取给定文件系统的当前工作目录。
getWorkingDirectory() - Method in class org.apache.hadoop.fs.azure.NativeAzureFileSystem
 
getWorkingDirectory() - Method in class org.apache.hadoop.fs.FileContext
获取wd-relative名称(如"foo/bar")的工作目录。
getWorkingDirectory() - Method in class org.apache.hadoop.fs.FileSystem
获取给定文件系统的当前工作目录
getWorkingDirectory() - Method in class org.apache.hadoop.fs.FilterFileSystem
获取给定文件系统的当前工作目录
getWorkingDirectory() - Method in class org.apache.hadoop.fs.ftp.FTPFileSystem
 
getWorkingDirectory() - Method in class org.apache.hadoop.fs.RawLocalFileSystem
 
getWorkingDirectory() - Method in class org.apache.hadoop.fs.s3native.NativeS3FileSystem
Deprecated.
 
getWorkingDirectory() - Method in class org.apache.hadoop.fs.viewfs.ViewFileSystem
 
getWorkingDirectory() - Method in class org.apache.hadoop.mapred.JobConf
获取默认文件系统的当前工作目录。
getWorkingDirectory() - Method in interface org.apache.hadoop.mapreduce.JobContext
获取默认文件系统的当前工作目录。
getWorkOutputPath(JobConf) - Static method in class org.apache.hadoop.mapred.FileOutputFormat
Get the Path to the task's temporary output directory for the map-reduce job Tasks' Side-Effect Files
getWorkOutputPath(TaskInputOutputContext) - Static method in class org.apache.hadoop.mapreduce.lib.output.FileOutputFormat
Get the Path to the task's temporary output directory for the map-reduce job Tasks' Side-Effect Files
getWorkPath(TaskAttemptContext, Path) - Method in class org.apache.hadoop.mapred.FileOutputCommitter
 
getWorkPath() - Method in class org.apache.hadoop.mapreduce.lib.output.BindingPathOutputCommitter
 
getWorkPath() - Method in class org.apache.hadoop.mapreduce.lib.output.committer.manifest.ManifestCommitter
当前任务尝试的工作路径。
getWorkPath() - Method in class org.apache.hadoop.mapreduce.lib.output.FileOutputCommitter
获取任务应写入结果的目录。
getWorkPath() - Method in class org.apache.hadoop.mapreduce.lib.output.PathOutputCommitter
获取任务应写入结果的目录。
getWrappedStream() - Method in class org.apache.hadoop.fs.FSDataInputStream
获取对封装输入流的引用。
getWrappedStream() - Method in class org.apache.hadoop.hdfs.client.HdfsDataInputStream
获取对封装输出流的引用。
getWritePacketSize() - Method in class org.apache.hadoop.fs.FsServerDefaults
 
getWriter(BlockAliasMap.Writer.Options, String) - Method in class org.apache.hadoop.hdfs.server.common.blockaliasmap.BlockAliasMap
返回别名映射的写入器。
getWriter(BlockAliasMap.Writer.Options, String) - Method in class org.apache.hadoop.hdfs.server.common.blockaliasmap.impl.LevelDBFileRegionAliasMap
 
getWriter(BlockAliasMap.Writer.Options, String) - Method in class org.apache.hadoop.hdfs.server.common.blockaliasmap.impl.TextFileRegionAliasMap
 
getWriter(BlockAliasMap.Writer.Options, String) - Method in class org.apache.hadoop.hdfs.server.namenode.NullBlockAliasMap
 
getWriters() - Method in class org.apache.hadoop.yarn.api.records.timeline.TimelineDomain
获取写入器(和/或写入器组)列表字符串
getWriters() - Method in class org.apache.hadoop.yarn.api.records.timelineservice.TimelineDomain
获取写入器(和/或写入器组)列表字符串。
getXAttr(Path, String) - Method in class org.apache.hadoop.fs.AbstractFileSystem
获取文件或目录的扩展属性(xattr)。
getXAttr(Path, String) - Method in class org.apache.hadoop.fs.azure.NativeAzureFileSystem
获取路径中某个属性的值。
getXAttr(Path, String) - Method in class org.apache.hadoop.fs.FileContext
获取文件或目录的扩展属性(xattr)。
getXAttr(Path, String) - Method in class org.apache.hadoop.fs.FileSystem
获取文件或目录的扩展属性名称和值。
getXAttr(Path, String) - Method in class org.apache.hadoop.fs.FilterFileSystem
 
getXAttr(Path, String) - Method in class org.apache.hadoop.fs.viewfs.ViewFileSystem
 
getXAttr(Path, String) - Method in class org.apache.hadoop.fs.viewfs.ViewFs
 
getXAttrs(Path) - Method in class org.apache.hadoop.fs.AbstractFileSystem
获取文件或目录的所有扩展属性。
getXAttrs(Path, List) - Method in class org.apache.hadoop.fs.AbstractFileSystem
获取文件或目录的所有扩展属性。
getXAttrs(Path) - Method in class org.apache.hadoop.fs.FileContext
获取文件或目录的所有扩展属性。
getXAttrs(Path, List) - Method in class org.apache.hadoop.fs.FileContext
获取文件或目录的所有扩展属性。
getXAttrs(Path) - Method in class org.apache.hadoop.fs.FileSystem
获取文件或目录的所有扩展属性(xattr)名称/值对。
getXAttrs(Path, List) - Method in class org.apache.hadoop.fs.FileSystem
获取文件或目录的所有扩展属性名称/值对。
getXAttrs(Path) - Method in class org.apache.hadoop.fs.FilterFileSystem
 
getXAttrs(Path, List) - Method in class org.apache.hadoop.fs.FilterFileSystem
 
getXAttrs(Path) - Method in class org.apache.hadoop.fs.viewfs.ViewFileSystem
 
getXAttrs(Path, List) - Method in class org.apache.hadoop.fs.viewfs.ViewFileSystem
 
getXAttrs(Path) - Method in class org.apache.hadoop.fs.viewfs.ViewFs
 
getXAttrs(Path, List) - Method in class org.apache.hadoop.fs.viewfs.ViewFs
 
getxAttrs() - Method in class org.apache.hadoop.hdfs.inotify.Event.MetadataUpdateEvent
 
getYarnApplicationAttemptState() - Method in class org.apache.hadoop.yarn.api.records.ApplicationAttemptReport
Get the YarnApplicationAttemptState of the application attempt.
getYarnApplicationState() - Method in class org.apache.hadoop.yarn.api.records.ApplicationReport
Get the YarnApplicationState of the application.
getYarnClient() - Method in class org.apache.hadoop.yarn.service.client.ServiceClient
 
getYarnClusterMetrics() - Method in class org.apache.hadoop.yarn.client.api.YarnClient
Get metrics (YarnClusterMetrics) about the cluster.
getYarnUrlFromPath(Path) - Static method in class org.apache.hadoop.yarn.util.ConverterUtils
Deprecated.
getYarnUrlFromURI(URI) - Static method in class org.apache.hadoop.yarn.util.ConverterUtils
Deprecated.
getZKAuthInfos(Configuration, String) - Static method in class org.apache.hadoop.security.SecurityUtil
从配置中获取ZK认证信息的实用方法。
getZKFCAddress() - Method in class org.apache.hadoop.ha.HAServiceTarget
 
getZKFCProxy(Configuration, int) - Method in class org.apache.hadoop.ha.HAServiceTarget
 
GID - Static variable in class org.apache.hadoop.hdfs.server.namenode.SingleUGIResolver
 
GLOBAL_RM_AM_MAX_ATTEMPTS - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
应用程序尝试的最大次数。
GlobalStorageStatistics - Enum in org.apache.hadoop.fs
存储全局存储统计对象。
GlobFilter - Class in org.apache.hadoop.fs
一个支持大括号扩展的POSIX通配符模式过滤器。
GlobFilter(String) - Constructor for class org.apache.hadoop.fs.GlobFilter
使用指定的文件模式创建一个全局过滤器。
GlobFilter(String, PathFilter) - Constructor for class org.apache.hadoop.fs.GlobFilter
使用指定的文件模式和用户过滤器创建一个全局过滤器。
GlobFilter - Class in org.apache.hadoop.metrics2.filter
用于指标的全局模式过滤器。
GlobFilter() - Constructor for class org.apache.hadoop.metrics2.filter.GlobFilter
 
globStatus(Path) - Method in class org.apache.hadoop.fs.FileSystem
返回所有匹配filePattern且非校验和的文件。
globStatus(Path, PathFilter) - Method in class org.apache.hadoop.fs.FileSystem
Return an array of FileStatus objects whose path names match pathPattern and is accepted by the user-supplied path filter.
GMT_TIMEZONE - Static variable in class org.apache.hadoop.fs.azurebfs.constants.AbfsHttpConstants
 
GPG_APPCLEANER_CLASS - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
GPG_APPCLEANER_CONTACT_ROUTER_SPEC - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
关于如何(多次)联系Router以获取应用程序的规范。
GPG_APPCLEANER_INTERVAL_MS - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
GPG_GLOBAL_POLICY_CLASS - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
配置的策略生成器类,默认运行NoOpGlobalPolicy。
GPG_KERBEROS_PRINCIPAL_HOSTNAME_KEY - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
Yarn GPG的Kerberos主体主机名。
GPG_KEYTAB - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
GPG的密钥表。
GPG_POLICY_GENERATOR_BLACKLIST - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
策略生成器应屏蔽哪些子集群。
GPG_POLICY_GENERATOR_INTERVAL - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
策略生成器运行的间隔时间,默认为一小时。
GPG_POLICY_GENERATOR_INTERVAL_MS - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
策略生成器运行的间隔时间,默认为一小时。
GPG_POLICY_GENERATOR_READONLY - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
策略生成器是否以只读模式运行(不会修改策略),默认为false。
GPG_PRINCIPAL - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
全局策略生成器的Kerberos主体。
GPG_SCHEDULED_EXECUTOR_THREADS - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
GPG_SUBCLUSTER_CLEANER_INTERVAL_MS - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
GPG_SUBCLUSTER_EXPIRATION_MS - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
GPG_WEBAPP_ADDRESS - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
GPG网络应用程序的地址。
GPG_WEBAPP_CONNECT_TIMEOUT - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
GPG_WEBAPP_ENABLE_CORS_FILTER - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
启用/禁用CORS过滤器。
GPG_WEBAPP_HTTPS_ADDRESS - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
GPG网络应用的https地址。
GPG_WEBAPP_PREFIX - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
GPG_WEBAPP_READ_TIMEOUT - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
GRANT_TYPE - Static variable in class org.apache.hadoop.hdfs.web.oauth2.OAuth2Constants
 
GraphiteSink - Class in org.apache.hadoop.metrics2.sink
一个将指标数据写入Graphite服务器的指标接收器。
GraphiteSink() - Constructor for class org.apache.hadoop.metrics2.sink.GraphiteSink
 
GROUP - Static variable in class org.apache.hadoop.hdfs.server.namenode.SingleUGIResolver
 
group(String) - Method in class org.apache.hadoop.hdfs.server.namenode.SingleUGIResolver
 
group(String) - Method in class org.apache.hadoop.hdfs.server.namenode.UGIResolver
 
Group() - Constructor for class org.apache.hadoop.mapred.Counters.Group
 
GROUP - Static variable in class org.apache.hadoop.mapreduce.lib.map.RegexMapper
 
GROUP_MAPPING_CONFIG_PREFIX - Static variable in interface org.apache.hadoop.security.GroupMappingServiceProvider
 
GROUP_STRID_OFFSET - Static variable in class org.apache.hadoop.hdfs.server.namenode.UGIResolver
 
GroupMappingServiceProvider - Interface in org.apache.hadoop.security
An interface for the implementation of a user-to-groups mapping service used by Groups.
GZIP_CODEC_EXTENSION - Static variable in class org.apache.hadoop.io.compress.CodecConstants
Default extension for GzipCodec.
Gzip编解码器 - Class in org.apache.hadoop.io.compress
该类用于创建gzip压缩器/解压器。
GzipCodec() - Constructor for class org.apache.hadoop.io.compress.GzipCodec
 

H

HADOOP_BINARY_PATH_ARG - Static variable in class org.apache.hadoop.tools.dynamometer.Client
 
HADOOP_CALLER_CONTEXT_ENABLED_DEFAULT - Static variable in class org.apache.hadoop.fs.CommonConfigurationKeysPublic
 
HADOOP_CALLER_CONTEXT_ENABLED_KEY - Static variable in class org.apache.hadoop.fs.CommonConfigurationKeysPublic
 
HADOOP_CALLER_CONTEXT_MAX_SIZE_DEFAULT - Static variable in class org.apache.hadoop.fs.CommonConfigurationKeysPublic
 
HADOOP_CALLER_CONTEXT_MAX_SIZE_KEY - Static variable in class org.apache.hadoop.fs.CommonConfigurationKeysPublic
 
HADOOP_CALLER_CONTEXT_SEPARATOR_DEFAULT - Static variable in class org.apache.hadoop.fs.CommonConfigurationKeysPublic
 
HADOOP_CALLER_CONTEXT_SEPARATOR_KEY - Static variable in class org.apache.hadoop.fs.CommonConfigurationKeysPublic
 
HADOOP_CALLER_CONTEXT_SIGNATURE_MAX_SIZE_DEFAULT - Static variable in class org.apache.hadoop.fs.CommonConfigurationKeysPublic
 
HADOOP_CALLER_CONTEXT_SIGNATURE_MAX_SIZE_KEY - Static variable in class org.apache.hadoop.fs.CommonConfigurationKeysPublic
 
HADOOP_CUSTOM_TAGS - Static variable in class org.apache.hadoop.fs.CommonConfigurationKeysPublic
Deprecated.
Please use CommonConfigurationKeysPublic.HADOOP_TAGS_CUSTOM instead See https://issues.apache.org/jira/browse/HADOOP-15474
HADOOP_HTTP_AUTHENTICATION_TYPE - Static variable in class org.apache.hadoop.fs.CommonConfigurationKeysPublic
 
HADOOP_HTTP_IDLE_TIMEOUT_MS_DEFAULT - Static variable in class org.apache.hadoop.fs.CommonConfigurationKeysPublic
 
HADOOP_HTTP_IDLE_TIMEOUT_MS_KEY - Static variable in class org.apache.hadoop.fs.CommonConfigurationKeysPublic
 
HADOOP_HTTP_LOGS_ENABLED - Static variable in class org.apache.hadoop.fs.CommonConfigurationKeysPublic
 
HADOOP_HTTP_LOGS_ENABLED_DEFAULT - Static variable in class org.apache.hadoop.fs.CommonConfigurationKeysPublic
HADOOP_HTTP_LOGS_ENABLED 的默认值
HADOOP_HTTP_METRICS_ENABLED - Static variable in class org.apache.hadoop.fs.CommonConfigurationKeysPublic
 
HADOOP_HTTP_METRICS_ENABLED_DEFAULT - Static variable in class org.apache.hadoop.fs.CommonConfigurationKeysPublic
 
HADOOP_HTTP_WEBAPP_SCHEDULER_PAGE - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
Deprecated.
HADOOP_KERBEROS_KEYTAB_LOGIN_AUTORENEWAL_ENABLED - Static variable in class org.apache.hadoop.fs.CommonConfigurationKeysPublic
 
HADOOP_KERBEROS_KEYTAB_LOGIN_AUTORENEWAL_ENABLED_DEFAULT - Static variable in class org.apache.hadoop.fs.CommonConfigurationKeysPublic
HADOOP_KERBEROS_KEYTAB_LOGIN_AUTORENEWAL_ENABLED的默认值。
HADOOP_KERBEROS_MIN_SECONDS_BEFORE_RELOGIN - Static variable in class org.apache.hadoop.fs.CommonConfigurationKeysPublic
 
HADOOP_KERBEROS_MIN_SECONDS_BEFORE_RELOGIN_DEFAULT - Static variable in class org.apache.hadoop.fs.CommonConfigurationKeysPublic
HADOOP_KERBEROS_MIN_SECONDS_BEFORE_RELOGIN 的默认值
HADOOP_POLICY_CONFIGURATION_FILE - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
HADOOP_PROMETHEUS_ENABLED - Static variable in class org.apache.hadoop.fs.CommonConfigurationKeysPublic
 
HADOOP_PROMETHEUS_ENABLED_DEFAULT - Static variable in class org.apache.hadoop.fs.CommonConfigurationKeysPublic
 
HADOOP_RPC_PROTECTION - Static variable in class org.apache.hadoop.fs.CommonConfigurationKeysPublic
 
HADOOP_RPC_SOCKET_FACTORY_CLASS_DEFAULT_DEFAULT - Static variable in class org.apache.hadoop.fs.CommonConfigurationKeysPublic
 
HADOOP_RPC_SOCKET_FACTORY_CLASS_DEFAULT_KEY - Static variable in class org.apache.hadoop.fs.CommonConfigurationKeysPublic
 
HADOOP_SECURITY_AUTH_TO_LOCAL - Static variable in class org.apache.hadoop.fs.CommonConfigurationKeysPublic
 
HADOOP_SECURITY_AUTH_TO_LOCAL_MECHANISM - Static variable in class org.apache.hadoop.fs.CommonConfigurationKeysPublic
 
HADOOP_SECURITY_AUTHENTICATION - Static variable in class org.apache.hadoop.fs.CommonConfigurationKeysPublic
 
HADOOP_SECURITY_AUTHORIZATION - Static variable in class org.apache.hadoop.fs.CommonConfigurationKeysPublic
 
HADOOP_SECURITY_CREDENTIAL_CLEAR_TEXT_FALLBACK - Static variable in class org.apache.hadoop.fs.CommonConfigurationKeysPublic
 
HADOOP_SECURITY_CREDENTIAL_CLEAR_TEXT_FALLBACK_DEFAULT - Static variable in class org.apache.hadoop.fs.CommonConfigurationKeysPublic
 
HADOOP_SECURITY_CREDENTIAL_PASSWORD_FILE_KEY - Static variable in class org.apache.hadoop.fs.CommonConfigurationKeysPublic
 
HADOOP_SECURITY_CREDENTIAL_PROVIDER_PATH - Static variable in class org.apache.hadoop.fs.CommonConfigurationKeysPublic
 
HADOOP_SECURITY_CRYPTO_BUFFER_SIZE_DEFAULT - Static variable in class org.apache.hadoop.fs.CommonConfigurationKeysPublic
HADOOP_SECURITY_CRYPTO_BUFFER_SIZE_KEY的默认值
HADOOP_SECURITY_CRYPTO_BUFFER_SIZE_KEY - Static variable in class org.apache.hadoop.fs.CommonConfigurationKeysPublic
 
HADOOP_SECURITY_CRYPTO_CIPHER_SUITE_DEFAULT - Static variable in class org.apache.hadoop.fs.CommonConfigurationKeysPublic
 
HADOOP_SECURITY_CRYPTO_CIPHER_SUITE_KEY - Static variable in class org.apache.hadoop.fs.CommonConfigurationKeysPublic
 
HADOOP_SECURITY_CRYPTO_CODEC_CLASSES_AES_CTR_NOPADDING_DEFAULT - Static variable in class org.apache.hadoop.fs.CommonConfigurationKeysPublic
 
HADOOP_SECURITY_CRYPTO_CODEC_CLASSES_AES_CTR_NOPADDING_KEY - Static variable in class org.apache.hadoop.fs.CommonConfigurationKeysPublic
 
HADOOP_SECURITY_CRYPTO_CODEC_CLASSES_KEY_PREFIX - Static variable in class org.apache.hadoop.fs.CommonConfigurationKeysPublic
 
HADOOP_SECURITY_CRYPTO_CODEC_CLASSES_SM4_CTR_NOPADDING_DEFAULT - Static variable in class org.apache.hadoop.fs.CommonConfigurationKeysPublic
 
HADOOP_SECURITY_CRYPTO_CODEC_CLASSES_SM4_CTR_NOPADDING_KEY - Static variable in class org.apache.hadoop.fs.CommonConfigurationKeysPublic
 
HADOOP_SECURITY_CRYPTO_JCE_PROVIDER_KEY - Static variable in class org.apache.hadoop.fs.CommonConfigurationKeysPublic
 
HADOOP_SECURITY_CRYPTO_JCEKS_KEY_SERIALFILTER - Static variable in class org.apache.hadoop.fs.CommonConfigurationKeysPublic
 
HADOOP_SECURITY_DNS_INTERFACE_KEY - Static variable in class org.apache.hadoop.fs.CommonConfigurationKeysPublic
 
HADOOP_SECURITY_DNS_NAMESERVER_KEY - Static variable in class org.apache.hadoop.fs.CommonConfigurationKeysPublic
 
HADOOP_SECURITY_GROUP_MAPPING - Static variable in class org.apache.hadoop.fs.CommonConfigurationKeysPublic
 
HADOOP_SECURITY_GROUP_SHELL_COMMAND_TIMEOUT_DEFAULT - Static variable in class org.apache.hadoop.fs.CommonConfigurationKeysPublic
 
HADOOP_SECURITY_GROUP_SHELL_COMMAND_TIMEOUT_KEY - Static variable in class org.apache.hadoop.fs.CommonConfigurationKeysPublic
 
HADOOP_SECURITY_GROUP_SHELL_COMMAND_TIMEOUT_SECS - Static variable in class org.apache.hadoop.fs.CommonConfigurationKeysPublic
HADOOP_SECURITY_GROUP_SHELL_COMMAND_TIMEOUT_SECS_DEFAULT - Static variable in class org.apache.hadoop.fs.CommonConfigurationKeysPublic
HADOOP_SECURITY_GROUPS_CACHE_BACKGROUND_RELOAD - Static variable in class org.apache.hadoop.fs.CommonConfigurationKeysPublic
 
HADOOP_SECURITY_GROUPS_CACHE_BACKGROUND_RELOAD_DEFAULT - Static variable in class org.apache.hadoop.fs.CommonConfigurationKeysPublic
 
HADOOP_SECURITY_GROUPS_CACHE_BACKGROUND_RELOAD_THREADS - Static variable in class org.apache.hadoop.fs.CommonConfigurationKeysPublic
 
HADOOP_SECURITY_GROUPS_CACHE_BACKGROUND_RELOAD_THREADS_DEFAULT - Static variable in class org.apache.hadoop.fs.CommonConfigurationKeysPublic
 
HADOOP_SECURITY_GROUPS_CACHE_SECS - Static variable in class org.apache.hadoop.fs.CommonConfigurationKeysPublic
 
HADOOP_SECURITY_GROUPS_CACHE_SECS_DEFAULT - Static variable in class org.apache.hadoop.fs.CommonConfigurationKeysPublic
 
HADOOP_SECURITY_GROUPS_CACHE_WARN_AFTER_MS - Static variable in class org.apache.hadoop.fs.CommonConfigurationKeysPublic
 
HADOOP_SECURITY_GROUPS_CACHE_WARN_AFTER_MS_DEFAULT - Static variable in class org.apache.hadoop.fs.CommonConfigurationKeysPublic
 
HADOOP_SECURITY_GROUPS_NEGATIVE_CACHE_SECS - Static variable in class org.apache.hadoop.fs.CommonConfigurationKeysPublic
 
HADOOP_SECURITY_GROUPS_NEGATIVE_CACHE_SECS_DEFAULT - Static variable in class org.apache.hadoop.fs.CommonConfigurationKeysPublic
 
HADOOP_SECURITY_IMPERSONATION_PROVIDER_CLASS - Static variable in class org.apache.hadoop.fs.CommonConfigurationKeysPublic
用于覆盖模拟提供程序的类
HADOOP_SECURITY_INSTRUMENTATION_REQUIRES_ADMIN - Static variable in class org.apache.hadoop.fs.CommonConfigurationKeysPublic
 
HADOOP_SECURITY_JAVA_SECURE_RANDOM_ALGORITHM_DEFAULT - Static variable in class org.apache.hadoop.fs.CommonConfigurationKeysPublic
HADOOP_SECURITY_JAVA_SECURE_RANDOM_ALGORITHM_KEY的默认值
HADOOP_SECURITY_JAVA_SECURE_RANDOM_ALGORITHM_KEY - Static variable in class org.apache.hadoop.fs.CommonConfigurationKeysPublic
 
HADOOP_SECURITY_KEY_DEFAULT_BITLENGTH_DEFAULT - Static variable in class org.apache.hadoop.fs.CommonConfigurationKeysPublic
HADOOP_SECURITY_KEY_DEFAULT_BITLENGTH_KEY的默认值。
HADOOP_SECURITY_KEY_DEFAULT_BITLENGTH_KEY - Static variable in class org.apache.hadoop.fs.CommonConfigurationKeysPublic
 
HADOOP_SECURITY_KEY_DEFAULT_CIPHER_DEFAULT - Static variable in class org.apache.hadoop.fs.CommonConfigurationKeysPublic
HADOOP_SECURITY_KEY_DEFAULT_CIPHER_KEY的默认值。
HADOOP_SECURITY_KEY_DEFAULT_CIPHER_KEY - Static variable in class org.apache.hadoop.fs.CommonConfigurationKeysPublic
 
HADOOP_SECURITY_KEY_PROVIDER_PATH - Static variable in class org.apache.hadoop.fs.CommonConfigurationKeysPublic
 
HADOOP_SECURITY_OPENSSL_ENGINE_ID_KEY - Static variable in class org.apache.hadoop.fs.CommonConfigurationKeysPublic
 
HADOOP_SECURITY_SASL_PROPS_RESOLVER_CLASS - Static variable in class org.apache.hadoop.fs.CommonConfigurationKeysPublic
用于覆盖连接Sasl属性的类
HADOOP_SECURITY_SECURE_RANDOM_DEVICE_FILE_PATH_DEFAULT - Static variable in class org.apache.hadoop.fs.CommonConfigurationKeysPublic
 
HADOOP_SECURITY_SECURE_RANDOM_DEVICE_FILE_PATH_KEY - Static variable in class org.apache.hadoop.fs.CommonConfigurationKeysPublic
 
HADOOP_SECURITY_SECURE_RANDOM_IMPL_KEY - Static variable in class org.apache.hadoop.fs.CommonConfigurationKeysPublic
 
HADOOP_SECURITY_SENSITIVE_CONFIG_KEYS - Static variable in class org.apache.hadoop.fs.CommonConfigurationKeysPublic
 
HADOOP_SECURITY_SENSITIVE_CONFIG_KEYS_DEFAULT - Static variable in class org.apache.hadoop.fs.CommonConfigurationKeysPublic
 
HADOOP_SECURITY_SERVICE_USER_NAME_KEY - Static variable in class org.apache.hadoop.fs.CommonConfigurationKeysPublic
 
HADOOP_SHELL_MISSING_DEFAULT_FS_WARNING_DEFAULT - Static variable in class org.apache.hadoop.fs.CommonConfigurationKeysPublic
 
HADOOP_SHELL_MISSING_DEFAULT_FS_WARNING_KEY - Static variable in class org.apache.hadoop.fs.CommonConfigurationKeysPublic
 
HADOOP_SHELL_SAFELY_DELETE_LIMIT_NUM_FILES - Static variable in class org.apache.hadoop.fs.CommonConfigurationKeysPublic
 
HADOOP_SHELL_SAFELY_DELETE_LIMIT_NUM_FILES_DEFAULT - Static variable in class org.apache.hadoop.fs.CommonConfigurationKeysPublic
 
HADOOP_SOCKS_SERVER_KEY - Static variable in class org.apache.hadoop.fs.CommonConfigurationKeysPublic
 
HADOOP_SYSTEM_TAGS - Static variable in class org.apache.hadoop.fs.CommonConfigurationKeysPublic
Deprecated.
Please use CommonConfigurationKeysPublic.HADOOP_TAGS_SYSTEM instead See https://issues.apache.org/jira/browse/HADOOP-15474
HADOOP_TAGS_CUSTOM - Static variable in class org.apache.hadoop.fs.CommonConfigurationKeysPublic
 
HADOOP_TAGS_SYSTEM - Static variable in class org.apache.hadoop.fs.CommonConfigurationKeysPublic
 
HADOOP_TMP_DIR - Static variable in class org.apache.hadoop.fs.s3a.常量
本地系统上的默认hadoop临时目录:"hadoop.tmp.dir"。
HADOOP_TOKEN - Static variable in class org.apache.hadoop.security.UserGroupInformation
指向base64令牌的环境变量。
HADOOP_TOKEN_FILE_LOCATION - Static variable in class org.apache.hadoop.security.UserGroupInformation
指向令牌缓存文件的环境变量
HADOOP_TOKEN_FILES - Static variable in class org.apache.hadoop.fs.CommonConfigurationKeysPublic
 
HADOOP_TOKENS - Static variable in class org.apache.hadoop.fs.CommonConfigurationKeysPublic
 
HADOOP_UTIL_HASH_TYPE_DEFAULT - Static variable in class org.apache.hadoop.fs.CommonConfigurationKeysPublic
HADOOP_UTIL_HASH_TYPE_KEY的默认值
HADOOP_UTIL_HASH_TYPE_KEY - Static variable in class org.apache.hadoop.fs.CommonConfigurationKeysPublic
 
HADOOP_VERSION_ARG - Static variable in class org.apache.hadoop.tools.dynamometer.Client
 
HadoopIllegalArgumentException - Exception in org.apache.hadoop
表示方法传递了非法或无效的参数。
HadoopIllegalArgumentException(String) - Constructor for exception org.apache.hadoop.HadoopIllegalArgumentException
使用指定的详细消息构造异常。
HadoopUncaughtExceptionHandler - Class in org.apache.hadoop.service.launcher
This class is intended to be installed by calling Thread.setDefaultUncaughtExceptionHandler(UncaughtExceptionHandler) in the main entry point.
HadoopUncaughtExceptionHandler(Thread.UncaughtExceptionHandler) - Constructor for class org.apache.hadoop.service.launcher.HadoopUncaughtExceptionHandler
如果异常被认为是"简单"的,则创建一个实例委托给提供的处理程序。
HadoopUncaughtExceptionHandler() - Constructor for class org.apache.hadoop.service.launcher.HadoopUncaughtExceptionHandler
基础异常处理器 - 记录简单异常后继续执行。
halfDigest() - Method in class org.apache.hadoop.io.MD5Hash
构建此MD5的半尺寸版本。
haltableRemoteIterator(RemoteIterator, CallableRaisingIOE) - Static method in class org.apache.hadoop.util.functional.RemoteIterators
用添加延续探针的迭代器包装一个迭代器。
handle(T) - Method in interface org.apache.hadoop.yarn.event.EventHandler
 
handleEmptyDstDirectoryOnWindows(Path, File, Path, File) - Method in class org.apache.hadoop.fs.RawLocalFileSystem
 
handleHttpInteraction(RestCsrfPreventionFilter.HttpInteraction) - Method in class org.apache.hadoop.security.http.RestCsrfPreventionFilter
Handles an RestCsrfPreventionFilter.HttpInteraction by applying the filtering logic.
handleKind(Text) - Method in class org.apache.hadoop.security.token.Token.TrivialRenewer
 
handleKind(Text) - Method in class org.apache.hadoop.security.token.TokenRenewer
这个续订器能处理这种令牌吗?
handler - Variable in class org.apache.hadoop.yarn.client.api.async.AMRMClientAsync
 
has(int) - Method in class org.apache.hadoop.mapreduce.lib.join.TupleWritable
如果元组在提供的位置上有元素,则返回true。
hasAcl() - Method in class org.apache.hadoop.fs.FileStatus
判断底层文件或目录是否设置了ACL。
hasCapability(String) - Method in class org.apache.hadoop.fs.FSDataInputStream
 
hasCapability(String) - Method in class org.apache.hadoop.fs.FSDataOutputStream
 
hasCapability(String) - Method in interface org.apache.hadoop.fs.StreamCapabilities
查询流以获取特定功能。
hasCapability(String) - Method in class org.apache.hadoop.mapreduce.lib.output.BindingPathOutputCommitter
如果内部提交器支持流式能力,则直接通过。
hasCapability(String) - Method in class org.apache.hadoop.mapreduce.lib.output.committer.manifest.ManifestCommitter
提交器与spark的动态分区算法兼容。
HAServiceProtocol - Interface in org.apache.hadoop.ha
提供高可用性相关原语的协议接口,用于监控和服务故障转移。
HAServiceProtocolHelper - Class in org.apache.hadoop.ha
Helper for making HAServiceProtocol RPC calls.
HAServiceProtocolHelper() - Constructor for class org.apache.hadoop.ha.HAServiceProtocolHelper
 
HAServiceProtocolPB - Interface in org.apache.hadoop.ha.protocolPB
 
HAServiceTarget - Class in org.apache.hadoop.ha
表示客户端高可用性管理命令的目标。
HAServiceTarget() - Constructor for class org.apache.hadoop.ha.HAServiceTarget
 
hasExpired() - Method in class org.apache.hadoop.hdfs.protocol.CacheDirectiveStats
 
已刷新 - Static variable in class org.apache.hadoop.metrics2.sink.RollingFileSystemSink
 
HASH - Static variable in class org.apache.hadoop.fs.azurebfs.constants.AbfsHttpConstants
 
hash(Key) - Method in class org.apache.hadoop.util.bloom.HashFunction
将指定的键哈希为多个整数。
HASH_COUNT - Static variable in class org.apache.hadoop.io.BloomMapFile
 
hashBytes(byte[], int, int) - Static method in class org.apache.hadoop.io.WritableComparator
计算二进制数据的哈希值。
hashBytes(byte[], int) - Static method in class org.apache.hadoop.io.WritableComparator
计算二进制数据的哈希值。
hashCode() - Method in class org.apache.hadoop.fs.AbstractFileSystem
 
hashCode() - Method in class org.apache.hadoop.fs.ContentSummary
 
hashCode() - Method in class org.apache.hadoop.fs.FileChecksum
 
hashCode() - Method in class org.apache.hadoop.fs.FileStatus
返回对象的哈希码值,该值定义为路径名的哈希码。
hashCode() - Method in class org.apache.hadoop.fs.LocatedFileStatus
返回对象的哈希码值,该值定义为路径名的哈希码。
hashCode() - Method in class org.apache.hadoop.fs.Path
 
hashCode() - Method in class org.apache.hadoop.fs.permission.AclEntry
 
hashCode() - Method in class org.apache.hadoop.fs.permission.AclStatus
 
hashCode() - Method in class org.apache.hadoop.fs.permission.FsCreateModes
 
hashCode() - Method in class org.apache.hadoop.fs.permission.FsPermission
 
hashCode() - Method in class org.apache.hadoop.fs.QuotaUsage
 
hashCode() - Method in class org.apache.hadoop.fs.statistics.MeanStatistic
哈希码是根据平均值和样本数量生成的:如果其中任一值发生变化,该统计量就不能用作哈希表/映射的键。
hashCode() - Method in class org.apache.hadoop.hdfs.protocol.CacheDirectiveInfo
 
hashCode() - Method in class org.apache.hadoop.hdfs.protocol.CachePoolInfo
 
hashCode() - Method in class org.apache.hadoop.hdfs.protocol.ECBlockGroupStats
 
hashCode() - Method in class org.apache.hadoop.hdfs.protocol.EncryptionZone
 
hashCode() - Method in class org.apache.hadoop.hdfs.server.common.FileRegion
 
hashCode() - Method in class org.apache.hadoop.hdfs.server.namenode.TreePath
 
hashCode() - Method in class org.apache.hadoop.io.BinaryComparable
返回从{#getBytes()}获取的字节的哈希值。
hashCode() - Method in class org.apache.hadoop.io.BooleanWritable
 
hashCode() - Method in class org.apache.hadoop.io.BytesWritable
 
hashCode() - Method in class org.apache.hadoop.io.ByteWritable
 
hashCode() - Method in class org.apache.hadoop.io.DoubleWritable
 
hashCode() - Method in class org.apache.hadoop.io.EnumSetWritable
 
hashCode() - Method in class org.apache.hadoop.io.erasurecode.ECSchema
 
hashCode() - Method in class org.apache.hadoop.io.FloatWritable
 
hashCode() - Method in class org.apache.hadoop.io.IntWritable
 
hashCode() - Method in class org.apache.hadoop.io.LongWritable
 
hashCode() - Method in class org.apache.hadoop.io.MapWritable
 
hashCode() - Method in class org.apache.hadoop.io.MD5Hash
返回该对象的哈希码值。
hashCode() - Method in class org.apache.hadoop.io.NullWritable
 
hashCode() - Method in class org.apache.hadoop.io.ShortWritable
哈希码
hashCode() - Method in class org.apache.hadoop.io.SortedMapWritable
 
hashCode() - Method in class org.apache.hadoop.io.Text
 
hashCode() - Method in class org.apache.hadoop.io.VIntWritable
 
hashCode() - Method in class org.apache.hadoop.io.VLongWritable
 
hashCode() - Method in class org.apache.hadoop.ipc.CallerContext
 
hashCode() - Method in class org.apache.hadoop.mapred.Counters.Counter
 
hashCode() - Method in class org.apache.hadoop.mapred.Counters.Group
 
hashCode() - Method in class org.apache.hadoop.mapred.join.WrappedRecordReader
 
hashCode() - Method in class org.apache.hadoop.mapreduce.counters.AbstractCounters
 
hashCode() - Method in class org.apache.hadoop.mapreduce.ID
 
hashCode() - Method in class org.apache.hadoop.mapreduce.JobID
 
hashCode() - Method in class org.apache.hadoop.mapreduce.lib.join.TupleWritable
 
hashCode() - Method in class org.apache.hadoop.mapreduce.lib.join.WrappedRecordReader
 
hashCode() - Method in class org.apache.hadoop.mapreduce.lib.output.committer.manifest.files.DirEntry
 
hashCode(byte[], int, int, int) - Method in class org.apache.hadoop.mapreduce.lib.partition.KeyFieldBasedPartitioner
 
hashCode() - Method in class org.apache.hadoop.mapreduce.TaskAttemptID
 
hashCode() - Method in class org.apache.hadoop.mapreduce.TaskCompletionEvent
 
hashCode() - Method in class org.apache.hadoop.mapreduce.TaskID
 
hashCode() - Method in class org.apache.hadoop.metrics2.AbstractMetric
 
hashCode() - Method in class org.apache.hadoop.metrics2.MetricsTag
 
hashCode() - Method in class org.apache.hadoop.net.SocksSocketFactory
 
hashCode() - Method in class org.apache.hadoop.net.StandardSocketFactory
 
hashCode() - Method in class org.apache.hadoop.record.Buffer
Deprecated.
 
hashCode() - Method in class org.apache.hadoop.registry.client.types.RegistryPathStatus
哈希码是从路径派生的。
hashCode() - Method in class org.apache.hadoop.registry.client.types.ServiceRecord
 
hashCode() - Method in class org.apache.hadoop.security.token.delegation.AbstractDelegationTokenIdentifier
 
hashCode() - Method in class org.apache.hadoop.security.token.Token
 
hashCode() - Method in class org.apache.hadoop.security.UserGroupInformation
返回主题的哈希值。
hashCode() - Method in class org.apache.hadoop.yarn.api.protocolrecords.GetAllResourceProfilesResponse
 
hashCode() - Method in class org.apache.hadoop.yarn.api.protocolrecords.GetAllResourceTypeInfoResponse
 
hashCode() - Method in class org.apache.hadoop.yarn.api.protocolrecords.GetResourceProfileRequest
 
hashCode() - Method in class org.apache.hadoop.yarn.api.protocolrecords.GetResourceProfileResponse
 
hashCode() - Method in class org.apache.hadoop.yarn.api.records.ApplicationAttemptId
 
hashCode() - Method in class org.apache.hadoop.yarn.api.records.ApplicationId
 
hashCode() - Method in class org.apache.hadoop.yarn.api.records.ContainerId
 
hashCode() - Method in class org.apache.hadoop.yarn.api.records.ExecutionTypeRequest
 
hashCode() - Method in class org.apache.hadoop.yarn.api.records.NMToken
 
hashCode() - Method in class org.apache.hadoop.yarn.api.records.NodeId
 
hashCode() - Method in class org.apache.hadoop.yarn.api.records.NodeLabel
 
hashCode() - Method in class org.apache.hadoop.yarn.api.records.优先级
 
hashCode() - Method in class org.apache.hadoop.yarn.api.records.ReservationId
 
hashCode() - Method in class org.apache.hadoop.yarn.api.records.ReservationRequest
 
hashCode() - Method in class org.apache.hadoop.yarn.api.records.Resource
 
hashCode() - Method in class org.apache.hadoop.yarn.api.records.ResourceRequest
 
hashCode() - Method in class org.apache.hadoop.yarn.api.records.ResourceSizing
 
hashCode() - Method in class org.apache.hadoop.yarn.api.records.ResourceUtilization
 
hashCode() - Method in class org.apache.hadoop.yarn.api.records.timeline.TimelineEntity
 
hashCode() - Method in class org.apache.hadoop.yarn.api.records.timeline.TimelineEntityGroupId
 
hashCode() - Method in class org.apache.hadoop.yarn.api.records.timeline.TimelineEvent
 
hashCode() - Method in class org.apache.hadoop.yarn.api.records.timelineservice.FlowActivityEntity
复用基类的hashCode方法。
hashCode() - Method in class org.apache.hadoop.yarn.api.records.timelineservice.TimelineEntity
 
hashCode() - Method in class org.apache.hadoop.yarn.api.records.timelineservice.TimelineEvent
 
hashCode() - Method in class org.apache.hadoop.yarn.api.records.timelineservice.TimelineMetric
 
hashCode() - Method in class org.apache.hadoop.yarn.api.records.UpdateContainerError
 
hashCode() - Method in class org.apache.hadoop.yarn.api.records.UpdateContainerRequest
 
hashCode() - Method in class org.apache.hadoop.yarn.api.records.UpdatedContainer
 
hashCode() - Method in class org.apache.hadoop.yarn.api.resource.PlacementConstraint
 
hashCode() - Method in class org.apache.hadoop.yarn.logaggregation.AggregatedLogFormat.LogKey
 
hashCode() - Method in class org.apache.hadoop.yarn.security.AMRMTokenIdentifier
 
hashCode() - Method in class org.apache.hadoop.yarn.security.client.ClientToAMTokenIdentifier
 
hashCode() - Method in class org.apache.hadoop.yarn.security.ContainerTokenIdentifier
 
hashCode() - Method in class org.apache.hadoop.yarn.security.NMTokenIdentifier
 
hashCode() - Method in class org.apache.hadoop.yarn.service.api.records.Artifact
 
hashCode() - Method in class org.apache.hadoop.yarn.service.api.records.组件
 
hashCode() - Method in class org.apache.hadoop.yarn.service.api.records.ConfigFile
 
hashCode() - Method in class org.apache.hadoop.yarn.service.api.records.配置
 
hashCode() - Method in class org.apache.hadoop.yarn.service.api.records.Container
 
hashCode() - Method in class org.apache.hadoop.yarn.service.api.records.错误
 
hashCode() - Method in class org.apache.hadoop.yarn.service.api.records.KerberosPrincipal
 
hashCode() - Method in class org.apache.hadoop.yarn.service.api.records.PlacementConstraint
 
hashCode() - Method in class org.apache.hadoop.yarn.service.api.records.PlacementPolicy
 
hashCode() - Method in class org.apache.hadoop.yarn.service.api.records.ReadinessCheck
 
hashCode() - Method in class org.apache.hadoop.yarn.service.api.records.Resource
 
hashCode() - Method in class org.apache.hadoop.yarn.service.api.records.Service
 
hashCode() - Method in class org.apache.hadoop.yarn.service.api.records.ServiceStatus
 
HashFunction - Class in org.apache.hadoop.util.bloom
实现一个哈希对象,返回指定数量的哈希值。
HashFunction(int, int, int) - Constructor for class org.apache.hadoop.util.bloom.HashFunction
构造函数。
hasHighestPriorityLowRedundancyBlocks() - Method in class org.apache.hadoop.hdfs.protocol.ECBlockGroupStats
 
hasHighestPriorityLowRedundancyBlocks() - Method in class org.apache.hadoop.hdfs.protocol.ReplicatedBlockStats
 
HashPartitioner<K2,V2> - Class in org.apache.hadoop.mapred.lib
Partition keys by their Object.hashCode().
HashPartitioner() - Constructor for class org.apache.hadoop.mapred.lib.HashPartitioner
 
HashPartitioner<K,V> - Class in org.apache.hadoop.mapreduce.lib.partition
Partition keys by their Object.hashCode().
HashPartitioner() - Constructor for class org.apache.hadoop.mapreduce.lib.partition.HashPartitioner
 
hasKerberosCredentials() - Method in class org.apache.hadoop.security.UserGroupInformation
检查是否使用kerberos登录
hasNext() - Method in interface org.apache.hadoop.mapred.join.ComposableRecordReader
如果流不为空则返回true,但不保证调用next(K,V)会成功。
hasNext() - Method in class org.apache.hadoop.mapred.join.CompositeRecordReader
如果有可能发出更多值,则返回true。
hasNext() - Method in class org.apache.hadoop.mapred.join.WrappedRecordReader
如果RR(包括存储在此对象中的键值对)已耗尽,则返回true。
hasNext() - Method in class org.apache.hadoop.mapreduce.lib.join.ArrayListBackedIterator
 
hasNext() - Method in class org.apache.hadoop.mapreduce.lib.join.CompositeRecordReader
如果有可能发出更多值,则返回true。
hasNext() - Method in interface org.apache.hadoop.mapreduce.lib.join.ResetableIterator
如果调用next可能返回一个值,则为True。
hasNext() - Method in class org.apache.hadoop.mapreduce.lib.join.StreamBackedIterator
 
hasNext() - Method in class org.apache.hadoop.mapreduce.lib.join.WrappedRecordReader
如果RR(包括存储在此对象中的键值对)已耗尽,则返回true。
hasNext() - Method in class org.apache.hadoop.mapreduce.MarkableIterator
 
hasOutputPath() - Method in class org.apache.hadoop.mapreduce.lib.output.BindingPathOutputCommitter
 
hasOutputPath() - Method in class org.apache.hadoop.mapreduce.lib.output.PathOutputCommitter
谓词:是否存在输出路径?
hasPathCapability(Path, String) - Method in class org.apache.hadoop.fs.AbstractFileSystem
 
hasPathCapability(Path, String) - Method in class org.apache.hadoop.fs.adl.AdlFileSystem
 
hasPathCapability(Path, String) - Method in class org.apache.hadoop.fs.azure.NativeAzureFileSystem
 
hasPathCapability(Path, String) - Method in class org.apache.hadoop.fs.ChecksumFileSystem
禁用那些经过校验的文件系统块的操作。
hasPathCapability(Path, String) - Method in class org.apache.hadoop.fs.FileContext
Return the path capabilities of the bonded AbstractFileSystem.
hasPathCapability(Path, String) - Method in class org.apache.hadoop.fs.FileSystem
基础的FileSystem实现通常不了解实际实现的具体功能。
hasPathCapability(Path, String) - Method in class org.apache.hadoop.fs.FilterFileSystem
 
hasPathCapability(Path, String) - Method in class org.apache.hadoop.fs.RawLocalFileSystem
 
hasPathCapability(Path, String) - Method in class org.apache.hadoop.fs.viewfs.ViewFileSystem
拒绝concat操作;将剩余部分转发到查看的FS。
hasPattern() - Method in class org.apache.hadoop.fs.GlobFilter
 
hasShutdownHook(Runnable) - Method in class org.apache.hadoop.util.ShutdownHookManager
指示是否已注册shutdownHook。
hasWarnedDeprecation(String) - Static method in class org.apache.hadoop.conf.配置
返回是否已对弃用名称发出警告。
hasWinutilsPath() - Static method in class org.apache.hadoop.util.Shell
用于指示是否已知winutils路径的谓词。
HdfsAdmin - Class in org.apache.hadoop.hdfs.client
HDFS管理功能的公共API。
HdfsAdmin(URI, Configuration) - Constructor for class org.apache.hadoop.hdfs.client.HdfsAdmin
创建一个新的HdfsAdmin客户端。
HdfsAuditLogger - Class in org.apache.hadoop.hdfs.server.namenode
Extension of AuditLogger.
HdfsAuditLogger() - Constructor for class org.apache.hadoop.hdfs.server.namenode.HdfsAuditLogger
 
HdfsDataInputStream - Class in org.apache.hadoop.hdfs.client
The Hdfs implementation of FSDataInputStream.
HdfsDataInputStream(DFSInputStream) - Constructor for class org.apache.hadoop.hdfs.client.HdfsDataInputStream
 
HdfsDataInputStream(CryptoInputStream) - Constructor for class org.apache.hadoop.hdfs.client.HdfsDataInputStream
 
HdfsDataOutputStream - Class in org.apache.hadoop.hdfs.client
The Hdfs implementation of FSDataOutputStream.
HdfsDataOutputStream(DFSOutputStream, FileSystem.Statistics, long) - Constructor for class org.apache.hadoop.hdfs.client.HdfsDataOutputStream
 
HdfsDataOutputStream(DFSOutputStream, FileSystem.Statistics) - Constructor for class org.apache.hadoop.hdfs.client.HdfsDataOutputStream
 
HdfsDataOutputStream(CryptoOutputStream, FileSystem.Statistics, long) - Constructor for class org.apache.hadoop.hdfs.client.HdfsDataOutputStream
 
HdfsDataOutputStream(CryptoOutputStream, FileSystem.Statistics) - Constructor for class org.apache.hadoop.hdfs.client.HdfsDataOutputStream
 
HdfsUtils - Class in org.apache.hadoop.hdfs.client
HDFS的公共实用程序API。
HdfsUtils() - Constructor for class org.apache.hadoop.hdfs.client.HdfsUtils
 
HEADER - Static variable in class org.apache.hadoop.hdfs.web.oauth2.OAuth2ConnectionConfigurator
 
HEADER_DEFAULT - Static variable in class org.apache.hadoop.security.http.RestCsrfPreventionFilter
 
HEADER_SIZE - Static variable in class org.apache.hadoop.http.JettyUtils
 
HEADER_USER_AGENT - Static variable in class org.apache.hadoop.security.http.RestCsrfPreventionFilter
 
headerPattern - Static variable in class org.apache.hadoop.mapreduce.tools.CLI
 
headMap(K) - Method in class org.apache.hadoop.io.SortedMapWritable
 
HealthCheckFailedException - Exception in org.apache.hadoop.ha
抛出异常以指示服务的健康检查失败。
HealthCheckFailedException(String) - Constructor for exception org.apache.hadoop.ha.HealthCheckFailedException
 
HealthCheckFailedException(String, Throwable) - Constructor for exception org.apache.hadoop.ha.HealthCheckFailedException
 
HEAP_MEMORY - Static variable in class org.apache.hadoop.mapreduce.lib.output.committer.manifest.files.DiagnosticKeys
 
heartbeatIntervalMs - Variable in class org.apache.hadoop.yarn.client.api.async.AMRMClientAsync
 
HELP_CMD - Static variable in class org.apache.hadoop.yarn.client.cli.LogsCLI
 
hexchars - Static variable in class org.apache.hadoop.record.Utils
Deprecated.
 
hflush() - Method in class org.apache.hadoop.fs.FSDataOutputStream
 
HFLUSH - Static variable in interface org.apache.hadoop.fs.StreamCapabilities
Deprecated.
hflush() - Method in interface org.apache.hadoop.fs.Syncable
清空客户端用户缓冲区中的数据。
HierarchicalTimelineEntity - Class in org.apache.hadoop.yarn.api.records.timelineservice
该类扩展了时间线实体并定义了与其他实体的父子关系。
HistoryFileManager - Class in org.apache.hadoop.mapreduce.v2.hs
该类提供了一种以线程安全方式与历史文件交互的方法。
HistoryFileManager() - Constructor for class org.apache.hadoop.mapreduce.v2.hs.HistoryFileManager
 
HistoryStorage - Interface in org.apache.hadoop.mapreduce.v2.hs
提供一个API接口来查询已完成的任务。
homePathForCurrentUser() - Static method in class org.apache.hadoop.registry.client.binding.RegistryUtils
获取当前用户的主目录路径。
homePathForUser(String) - Static method in class org.apache.hadoop.registry.client.binding.RegistryUtils
构建用户路径 - 如果用户为""则切换到系统路径。
HOSTID_GROUP - Static variable in class org.apache.hadoop.fs.s3a.audit.S3LogParser
记录组 "hostid"。
hostname(String) - Method in class org.apache.hadoop.yarn.service.api.records.Container
运行中容器的完全限定主机名,例如
HOSTNAME_PATTERN - Static variable in class org.apache.hadoop.security.SecurityUtil
 
hostnamePortPair(String, int) - Static method in class org.apache.hadoop.registry.client.binding.RegistryTypeUtils
创建一个(主机名, 端口)地址对
hostnamePortPair(InetSocketAddress) - Static method in class org.apache.hadoop.registry.client.binding.RegistryTypeUtils
创建一个(主机名, 端口)地址对
hsync() - Method in class org.apache.hadoop.fs.FSDataOutputStream
 
HSYNC - Static variable in interface org.apache.hadoop.fs.StreamCapabilities
Stream hsync capability implemented by Syncable.hsync().
hsync() - Method in interface org.apache.hadoop.fs.Syncable
类似于posix fsync,将客户端用户缓冲区中的数据一直刷新到磁盘设备(但磁盘可能仍将其保留在缓存中)。
hsync(EnumSet) - Method in class org.apache.hadoop.hdfs.client.HdfsDataOutputStream
将缓冲数据同步到DataNodes(刷新到磁盘设备)。
HTTP_CONTINUE - Static variable in class org.apache.hadoop.fs.azurebfs.constants.AbfsHttpConstants
所有状态码小于HTTP 100的都表示错误,应该进行重试。
HTTP_GROUP - Static variable in class org.apache.hadoop.fs.s3a.audit.S3LogParser
记录组"http"。
HTTP_HEADER_PREFIX - Static variable in class org.apache.hadoop.fs.azurebfs.constants.AbfsHttpConstants
 
HTTP_MAX_CONN_SYS_PROP - Static variable in class org.apache.hadoop.fs.azurebfs.constants.AbfsHttpConstants
定义ApacheHttpClient每个文件系统缓存连接最大数量的系统属性。
HTTP_METHOD_DELETE - Static variable in class org.apache.hadoop.fs.azurebfs.constants.AbfsHttpConstants
 
HTTP_METHOD_GET - Static variable in class org.apache.hadoop.fs.azurebfs.constants.AbfsHttpConstants
 
HTTP_METHOD_HEAD - Static variable in class org.apache.hadoop.fs.azurebfs.constants.AbfsHttpConstants
 
HTTP_METHOD_PATCH - Static variable in class org.apache.hadoop.fs.azurebfs.constants.AbfsHttpConstants
 
HTTP_METHOD_POST - Static variable in class org.apache.hadoop.fs.azurebfs.constants.AbfsHttpConstants
 
HTTP_METHOD_PUT - Static variable in class org.apache.hadoop.fs.azurebfs.constants.AbfsHttpConstants
 
HTTP_RESPONSE_400 - Static variable in class org.apache.hadoop.fs.statistics.StoreStatisticNames
HTTP错误响应:"http_response_400"。
HTTP_RESPONSE_429 - Static variable in class org.apache.hadoop.fs.statistics.StoreStatisticNames
HTTP错误响应:"http_response_429"。
HTTP_RESPONSE_4XX - Static variable in class org.apache.hadoop.fs.statistics.StoreStatisticNames
其他4XX HTTP响应:"http_response_4XX"。
HTTP_RESPONSE_500 - Static variable in class org.apache.hadoop.fs.statistics.StoreStatisticNames
HTTP错误响应:"http_response_500"。
HTTP_RESPONSE_503 - Static variable in class org.apache.hadoop.fs.statistics.StoreStatisticNames
HTTP错误响应:"http_response_503"。
HTTP_RESPONSE_5XX - Static variable in class org.apache.hadoop.fs.statistics.StoreStatisticNames
其他5XX HTTP响应: "http_response_5XX".
HTTP_SCHEME - Static variable in class org.apache.hadoop.fs.azurebfs.constants.FileSystemUriSchemes
 
HTTP_SIGNER_CLASS_NAME - Static variable in class org.apache.hadoop.fs.s3a.常量
Classname of the http signer to use when Constants.HTTP_SIGNER_ENABLED is true: "fs.s3a.http.signer.class".
HTTP_SIGNER_ENABLED - Static variable in class org.apache.hadoop.fs.s3a.常量
切换到v2版SDK HTTP签名器的标志。
HTTP_SIGNER_ENABLED_DEFAULT - Static variable in class org.apache.hadoop.fs.s3a.常量
Default value of Constants.HTTP_SIGNER_ENABLED: false.
HTTP_STATUS_CATEGORY_QUOTIENT - Static variable in class org.apache.hadoop.fs.azurebfs.constants.AbfsHttpConstants
用于区分http_status类别的值。
HttpHeaderConfigurations - Class in org.apache.hadoop.fs.azurebfs.constants
负责将所有abfs HTTP头信息保存在此处。
HttpQueryParams - Class in org.apache.hadoop.fs.azurebfs.constants
负责在此处保存所有Http查询参数。
HTTPS_SCHEME - Static variable in class org.apache.hadoop.fs.azurebfs.constants.FileSystemUriSchemes
 
humanTime(long) - Static method in class org.apache.hadoop.util.OperationDuration
转换为人类可读的时间格式:分钟:秒.毫秒。
HUNDRED - Static variable in class org.apache.hadoop.fs.azurebfs.constants.FileSystemConfigurations
 
HUNDRED_CONTINUE - Static variable in class org.apache.hadoop.fs.azurebfs.constants.AbfsHttpConstants
 

I

IAMInstanceCredentialsProvider - Class in org.apache.hadoop.fs.s3a.auth
This is an IAM credential provider which wraps an ContainerCredentialsProvider to provide credentials when the S3A connector is instantiated on AWS EC2 or the AWS container services.
IAMInstanceCredentialsProvider() - Constructor for class org.apache.hadoop.fs.s3a.auth.IAMInstanceCredentialsProvider
构造函数。
ID - Class in org.apache.hadoop.mapred
一个通用标识符,内部以整数形式存储ID。
ID(int) - Constructor for class org.apache.hadoop.mapred.ID
从给定的整数构造一个ID对象
ID() - Constructor for class org.apache.hadoop.mapred.ID
 
id() - Method in interface org.apache.hadoop.mapred.join.ComposableRecordReader
返回该类在收集器中所占的位置。
id() - Method in class org.apache.hadoop.mapred.join.CompositeRecordReader
返回该类在收集器中所占的位置。
ID - Variable in class org.apache.hadoop.mapred.join.Parser.Node
 
id() - Method in class org.apache.hadoop.mapred.join.WrappedRecordReader
返回该类在收集器中所占的位置。
ID - Class in org.apache.hadoop.mapreduce
一个通用标识符,内部以整数形式存储ID。
ID(int) - Constructor for class org.apache.hadoop.mapreduce.ID
从给定的整数构造一个ID对象
ID() - Constructor for class org.apache.hadoop.mapreduce.ID
 
ID - Variable in class org.apache.hadoop.mapreduce.ID
 
id() - Method in class org.apache.hadoop.mapreduce.lib.join.CompositeRecordReader
返回该类在收集器中所占的位置。
ID - Variable in class org.apache.hadoop.mapreduce.lib.join.Parser.Node
 
id() - Method in class org.apache.hadoop.mapreduce.lib.join.WrappedRecordReader
返回该类在收集器中所占的位置。
ID - Variable in class org.apache.hadoop.yarn.api.records.ReservationId
 
id(String) - Method in class org.apache.hadoop.yarn.service.api.records.Artifact
构件ID。
id(String) - Method in class org.apache.hadoop.yarn.service.api.records.Container
运行中服务的唯一容器ID,例如
id(String) - Method in class org.apache.hadoop.yarn.service.api.records.Service
唯一的服务ID。
ident - Variable in class org.apache.hadoop.mapred.join.Parser.Node
 
ident - Variable in class org.apache.hadoop.mapreduce.lib.join.Parser.Node
 
IdentityMapper<K,V> - Class in org.apache.hadoop.mapred.lib
实现恒等函数,将输入直接映射到输出。
IdentityMapper() - Constructor for class org.apache.hadoop.mapred.lib.IdentityMapper
 
IdentityReducer<K,V> - Class in org.apache.hadoop.mapred.lib
不执行任何归约操作,直接将所有输入值写入输出。
IdentityReducer() - Constructor for class org.apache.hadoop.mapred.lib.IdentityReducer
 
idFormat - Static variable in class org.apache.hadoop.mapreduce.JobID
 
idFormat - Static variable in class org.apache.hadoop.mapreduce.TaskID
 
IdMappingServiceProvider - Interface in org.apache.hadoop.security
一个用于实现<用户ID, 用户名>映射和<组ID, 组名>映射的接口。
idWithinJob() - Method in class org.apache.hadoop.mapreduce.TaskCompletionEvent
 
idx - Variable in class org.apache.hadoop.mapred.lib.CombineFileRecordReader
 
idx - Variable in class org.apache.hadoop.mapreduce.lib.input.CombineFileRecordReader
 
IF_MATCH - Static variable in class org.apache.hadoop.fs.azurebfs.constants.HttpHeaderConfigurations
 
IF_MODIFIED_SINCE - Static variable in class org.apache.hadoop.fs.azurebfs.constants.HttpHeaderConfigurations
 
IF_NONE_MATCH - Static variable in class org.apache.hadoop.fs.azurebfs.constants.HttpHeaderConfigurations
 
IF_UNMODIFIED_SINCE - Static variable in class org.apache.hadoop.fs.azurebfs.constants.HttpHeaderConfigurations
 
忽略错误 - Variable in class org.apache.hadoop.metrics2.sink.RollingFileSystemSink
 
ImpersonationProvider - Interface in org.apache.hadoop.security.authorize
 
implies(FsAction) - Method in enum org.apache.hadoop.fs.permission.FsAction
如果此操作隐含该操作,则返回true。
in - Variable in class org.apache.hadoop.io.compress.CompressionInputStream
待压缩的输入流。
IN_MEMORY_CHECK_PERIOD_MINS - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
内存存储检查并移除失效初始应用程序的频率。
IN_MEMORY_INITIAL_DELAY_MINS - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
内存存储首次运行检查以移除失效初始应用程序前的初始延迟。
IN_MEMORY_STALENESS_PERIOD_MINS - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
如果自上次引用以来的时间超过了陈旧期,则InMemorySCMStore中的资源被视为陈旧。
IN_MEMORY_STORE_PREFIX - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
INativeComparable - Interface in org.apache.hadoop.mapred.nativetask
任何在原生端可比较的键类型都必须实现此接口。
INativeSerializer<T> - Interface in org.apache.hadoop.mapred.nativetask.serde
一个INativeSerializer用于序列化和反序列化Java与原生代码之间传输的数据。
incr() - Method in class org.apache.hadoop.metrics2.lib.MutableCounter
将指标值增加1。
incr() - Method in class org.apache.hadoop.metrics2.lib.MutableCounterInt
 
incr(int) - Method in class org.apache.hadoop.metrics2.lib.MutableCounterInt
将值增加一个增量
incr() - Method in class org.apache.hadoop.metrics2.lib.MutableCounterLong
 
incr(long) - Method in class org.apache.hadoop.metrics2.lib.MutableCounterLong
将值增加一个增量
incr() - Method in class org.apache.hadoop.metrics2.lib.MutableGauge
将指标的值增加1
incr() - Method in class org.apache.hadoop.metrics2.lib.MutableGaugeInt
 
incr(int) - Method in class org.apache.hadoop.metrics2.lib.MutableGaugeInt
按增量递增
incr() - Method in class org.apache.hadoop.metrics2.lib.MutableGaugeLong
 
incr(long) - Method in class org.apache.hadoop.metrics2.lib.MutableGaugeLong
按增量递增
incr() - Method in interface org.apache.hadoop.record.Index
Deprecated.
 
incrAllCounters(CounterGroupBase) - Method in class org.apache.hadoop.mapred.Counters.Group
 
incrAllCounters(Counters) - Method in class org.apache.hadoop.mapred.计数器
将另一个Counters实例中的计数器按各自数量递增。
incrAllCounters(AbstractCounters) - Method in class org.apache.hadoop.mapreduce.counters.AbstractCounters
将另一个Counters实例中的计数器按各自数量递增。
incrAllCounters(CounterGroupBase) - Method in interface org.apache.hadoop.mapreduce.counters.CounterGroupBase
将所有计数器按一组计数器递增
incrCounter(Enum, long) - Method in class org.apache.hadoop.mapred.计数器
将指定计数器增加指定数值,如果计数器不存在则创建它。
incrCounter(String, String, long) - Method in class org.apache.hadoop.mapred.计数器
将指定计数器增加指定数值,如果计数器不存在则创建它。
incrCounter(Enum, long) - Method in interface org.apache.hadoop.mapred.Reporter
Increments the counter identified by the key, which can be of any Enum type, by the specified amount.
incrCounter(String, String, long) - Method in interface org.apache.hadoop.mapred.Reporter
将指定组和计数器名称标识的计数器增加指定数量。
increaseContainerResource(Container) - Method in class org.apache.hadoop.yarn.client.api.NMClient
Deprecated.
increaseContainerResourceAsync(Container) - Method in class org.apache.hadoop.yarn.client.api.async.NMClientAsync
Deprecated.
increaseContainersResource(IncreaseContainersResourceRequest) - Method in interface org.apache.hadoop.yarn.api.ContainerManagementProtocol
Deprecated.
IncreaseContainersResourceRequest - Class in org.apache.hadoop.yarn.api.protocolrecords
The request sent by Application Master to the Node Manager to change the resource quota of a container.
IncreaseContainersResourceRequest() - Constructor for class org.apache.hadoop.yarn.api.protocolrecords.IncreaseContainersResourceRequest
 
IncreaseContainersResourceResponse - Class in org.apache.hadoop.yarn.api.protocolrecords
The response sent by the NodeManager to the ApplicationMaster when asked to increase container resource.
IncreaseContainersResourceResponse() - Constructor for class org.apache.hadoop.yarn.api.protocolrecords.IncreaseContainersResourceResponse
 
increment(long) - Method in class org.apache.hadoop.mapred.Counters.Counter
 
increment(long) - Method in interface org.apache.hadoop.mapreduce.Counter
将计数器增加指定的值
incrementCurrentKeyId() - Method in class org.apache.hadoop.security.token.delegation.AbstractDelegationTokenSecretManager
对于将存储外部化的子类,例如基于Zookeeper的实现。
incrementDelegationTokenSeqNum() - Method in class org.apache.hadoop.security.token.delegation.AbstractDelegationTokenSecretManager
对于将存储外部化的子类,例如基于Zookeeper的实现。
索引 - Interface in org.apache.hadoop.record
Deprecated.
Replaced by Avro.
INDEX_FILE_NAME - Static variable in class org.apache.hadoop.io.MapFile
索引文件的名称。
inetAddrEndpoint(String, String, String, int) - Static method in class org.apache.hadoop.registry.client.binding.RegistryTypeUtils
从URI列表创建互联网地址端点
INFINITE_LEASE_DURATION - Static variable in class org.apache.hadoop.fs.azurebfs.constants.FileSystemConfigurations
 
info() - Method in class org.apache.hadoop.metrics2.AbstractMetric
 
info(String, String) - Static method in class org.apache.hadoop.metrics2.lib.实习生
获取一个指标信息对象。
info() - Method in class org.apache.hadoop.metrics2.lib.MetricsRegistry
 
info() - Method in class org.apache.hadoop.metrics2.lib.MutableCounter
 
info() - Method in class org.apache.hadoop.metrics2.lib.MutableGauge
 
info() - Method in class org.apache.hadoop.metrics2.MetricsTag
 
inheritParentEnv - Variable in class org.apache.hadoop.util.Shell
指示是否应继承父环境变量
init(Configuration, String) - Static method in class org.apache.hadoop.hdfs.server.aliasmap.InMemoryAliasMap
 
init(Configuration, String, Collection>, StateStoreMetrics) - Method in class org.apache.hadoop.hdfs.server.federation.store.driver.impl.StateStoreSerializableImpl
 
init(Configuration, String, Collection>, StateStoreMetrics) - Method in class org.apache.hadoop.hdfs.server.federation.store.driver.StateStoreDriver
初始化状态存储连接。
init(JobConf) - Method in class org.apache.hadoop.mapred.JobClient
连接到默认集群
init() - Method in class org.apache.hadoop.mapred.nativetask.Platform
初始化一个平台,我们需要调用registerKey
init(Class) - Method in class org.apache.hadoop.metrics2.lib.MutableRates
使用协议中的所有方法初始化注册表,以便它们全部显示在第一个快照中。
init(Class) - Method in class org.apache.hadoop.metrics2.lib.MutableRatesWithAggregation
使用协议中的所有方法初始化注册表,以便它们全部显示在第一个快照中。
init(String[]) - Method in class org.apache.hadoop.metrics2.lib.MutableRatesWithAggregation
使用传入的所有速率名称初始化注册表。
init(Class, String) - Method in class org.apache.hadoop.metrics2.lib.MutableRatesWithAggregation
 
init(SubsetConfiguration) - Method in interface org.apache.hadoop.metrics2.MetricsPlugin
初始化插件
init(SubsetConfiguration) - Method in class org.apache.hadoop.metrics2.sink.FileSink
 
init(SubsetConfiguration) - Method in class org.apache.hadoop.metrics2.sink.GraphiteSink
 
init(SubsetConfiguration) - Method in class org.apache.hadoop.metrics2.sink.KafkaSink
 
init(SubsetConfiguration) - Method in class org.apache.hadoop.metrics2.sink.RollingFileSystemSink
 
init(SubsetConfiguration) - Method in class org.apache.hadoop.metrics2.sink.StatsDSink
 
init(String) - Method in class org.apache.hadoop.security.authorize.DefaultImpersonationProvider
 
init(String) - Method in interface org.apache.hadoop.security.authorize.ImpersonationProvider
指定代理用户属性的配置前缀并初始化提供程序。
init(FilterConfig) - Method in class org.apache.hadoop.security.http.RestCsrfPreventionFilter
 
init(FilterConfig) - Method in class org.apache.hadoop.security.http.XFrameOptionsFilter
 
init(Configuration) - Method in class org.apache.hadoop.service.AbstractService
初始化服务。
init(Configuration) - Method in interface org.apache.hadoop.service.Service
初始化服务。
init(String[]) - Method in class org.apache.hadoop.tools.dynamometer.ApplicationMaster
解析命令行选项。
init(String[]) - Method in class org.apache.hadoop.tools.dynamometer.Client
解析命令行选项。
init(String[]) - Method in class org.apache.hadoop.yarn.applications.distributedshell.ApplicationMaster
解析命令行选项
init(String[]) - Method in class org.apache.hadoop.yarn.applications.distributedshell.Client
解析命令行选项
initDriver() - Method in class org.apache.hadoop.hdfs.server.federation.store.driver.StateStoreDriver
准备驱动程序以访问数据存储。
INITIAL_APP_ATTEMPT_ID - Static variable in class org.apache.hadoop.mapreduce.lib.output.committer.manifest.ManifestCommitterConstants
所有应用尝试的初始数量。
initialize(URI, Configuration) - Method in class org.apache.hadoop.fs.adl.AdlFileSystem
在构建新的FileSystem实例后调用。
initialize(Configuration) - Method in class org.apache.hadoop.fs.adl.oauth2.AzureADTokenProvider
使用支持的配置进行初始化。
initialize(URI, Configuration) - Method in class org.apache.hadoop.fs.azure.NativeAzureFileSystem
 
initialize(URI, Configuration) - Method in class org.apache.hadoop.fs.FileSystem
初始化一个文件系统。
initialize(URI, Configuration) - Method in class org.apache.hadoop.fs.FilterFileSystem
在构建新的FileSystem实例后调用。
initialize(URI, Configuration) - Method in class org.apache.hadoop.fs.ftp.FTPFileSystem
 
initialize(URI, Configuration) - Method in class org.apache.hadoop.fs.LocalFileSystem
 
initialize(URI, Configuration) - Method in class org.apache.hadoop.fs.RawLocalFileSystem
 
initialize(URI, Configuration) - Method in class org.apache.hadoop.fs.s3native.NativeS3FileSystem
Deprecated.
始终无法初始化。
initialize(Configuration, FileSystem, Path) - Method in class org.apache.hadoop.fs.TrashPolicy
initialize(Configuration, FileSystem) - Method in class org.apache.hadoop.fs.TrashPolicy
用于设置垃圾回收策略。
initialize(URI, Configuration) - Method in class org.apache.hadoop.fs.viewfs.ViewFileSystem
在构建新的FileSystem实例后调用。
initialize(Configuration) - Method in interface org.apache.hadoop.hdfs.server.namenode.AuditLogger
在日志记录器初始化期间调用。
initialize(Configuration) - Method in class org.apache.hadoop.hdfs.server.namenode.DefaultAuditLogger
 
initialize(InputSplit, TaskAttemptContext) - Method in class org.apache.hadoop.mapreduce.lib.db.DBRecordReader
 
initialize(InputSplit, TaskAttemptContext) - Method in class org.apache.hadoop.mapreduce.lib.input.CombineFileRecordReader
 
initialize(InputSplit, TaskAttemptContext) - Method in class org.apache.hadoop.mapreduce.lib.input.CombineFileRecordReaderWrapper
 
initialize(InputSplit, TaskAttemptContext) - Method in class org.apache.hadoop.mapreduce.lib.input.KeyValueLineRecordReader
 
initialize(InputSplit, TaskAttemptContext) - Method in class org.apache.hadoop.mapreduce.lib.input.SequenceFileAsTextRecordReader
 
initialize(InputSplit, TaskAttemptContext) - Method in class org.apache.hadoop.mapreduce.lib.input.SequenceFileRecordReader
 
initialize(InputSplit, TaskAttemptContext) - Method in class org.apache.hadoop.mapreduce.lib.join.CompositeRecordReader
 
initialize(InputSplit, TaskAttemptContext) - Method in class org.apache.hadoop.mapreduce.lib.join.MultiFilterRecordReader
 
initialize(InputSplit, TaskAttemptContext) - Method in class org.apache.hadoop.mapreduce.lib.join.WrappedRecordReader
 
initialize(InputSplit, TaskAttemptContext) - Method in class org.apache.hadoop.mapreduce.RecordReader
初始化时调用一次。
initialize(String) - Static method in enum org.apache.hadoop.metrics2.lib.DefaultMetricsSystem
初始化指标系统的便捷方法
initialize(Configuration, String) - Method in class org.apache.hadoop.yarn.logaggregation.filecontroller.LogAggregationFileController
初始化日志文件控制器。
initialize() - Method in class org.apache.hadoop.yarn.util.ResourceCalculatorProcessTree
初始化对象。
initializeWriter(LogAggregationFileControllerContext) - Method in class org.apache.hadoop.yarn.logaggregation.filecontroller.LogAggregationFileController
初始化写入器。
initiateUpgrade(String, String, boolean) - Method in class org.apache.hadoop.yarn.client.api.AppAdminClient
启动长期运行服务的升级。
initiateUpgrade(String, String, boolean) - Method in class org.apache.hadoop.yarn.service.client.ServiceClient
 
initiateUpgrade(Service) - Method in class org.apache.hadoop.yarn.service.client.ServiceClient
 
initInternal(Configuration) - Method in class org.apache.hadoop.yarn.logaggregation.filecontroller.LogAggregationFileController
派生类使用此方法进行自身初始化。
initNextRecordReader() - Method in class org.apache.hadoop.mapred.lib.CombineFileRecordReader
获取此CombineFileSplit中下一个数据块的记录读取器。
initNextRecordReader() - Method in class org.apache.hadoop.mapreduce.lib.input.CombineFileRecordReader
获取此CombineFileSplit中下一个数据块的记录读取器。
initRecordStorage(String, Class) - Method in class org.apache.hadoop.hdfs.server.federation.store.driver.StateStoreDriver
为单个记录类初始化存储。
InMemoryAliasMap - Class in org.apache.hadoop.hdfs.server.aliasmap
InMemoryAliasMap是InMemoryAliasMapProtocol的一个实现,用于与LevelDB配合使用。
inMiniClusterMode() - Static method in enum org.apache.hadoop.metrics2.lib.DefaultMetricsSystem
 
InnerJoinRecordReader<K extends WritableComparable> - Class in org.apache.hadoop.mapred.join
完全内连接。
InnerJoinRecordReader<K extends WritableComparable<?>> - Class in org.apache.hadoop.mapreduce.lib.join
完全内连接。
INodeAttributeProvider - Class in org.apache.hadoop.hdfs.server.namenode
 
INodeAttributeProvider() - Constructor for class org.apache.hadoop.hdfs.server.namenode.INodeAttributeProvider
 
INPUT_BOUNDING_QUERY - Static variable in class org.apache.hadoop.mapreduce.lib.db.DBConfiguration
输入查询以获取jdbc.input.query的最大值和最小值
INPUT_CLASS_PROPERTY - Static variable in class org.apache.hadoop.mapred.lib.db.DBConfiguration
实现DBWritable接口的类名,用于保存输入元组
INPUT_CLASS_PROPERTY - Static variable in class org.apache.hadoop.mapreduce.lib.db.DBConfiguration
实现DBWritable接口的类名,用于保存输入元组
INPUT_CONDITIONS_PROPERTY - Static variable in class org.apache.hadoop.mapred.lib.db.DBConfiguration
输入SELECT语句中的WHERE子句
INPUT_CONDITIONS_PROPERTY - Static variable in class org.apache.hadoop.mapreduce.lib.db.DBConfiguration
输入SELECT语句中的WHERE子句
INPUT_COUNT_QUERY - Static variable in class org.apache.hadoop.mapred.lib.db.DBConfiguration
输入查询以获取记录数量
INPUT_COUNT_QUERY - Static variable in class org.apache.hadoop.mapreduce.lib.db.DBConfiguration
输入查询以获取记录数量
INPUT_DIR - Static variable in class org.apache.hadoop.mapreduce.lib.input.FileInputFormat
 
INPUT_DIR_NONRECURSIVE_IGNORE_SUBDIRS - Static variable in class org.apache.hadoop.mapred.FileInputFormat
 
INPUT_DIR_NONRECURSIVE_IGNORE_SUBDIRS - Static variable in class org.apache.hadoop.mapreduce.lib.input.FileInputFormat
 
INPUT_DIR_RECURSIVE - Static variable in class org.apache.hadoop.mapred.FileInputFormat
 
INPUT_DIR_RECURSIVE - Static variable in class org.apache.hadoop.mapreduce.lib.input.FileInputFormat
 
INPUT_FADV_DEFAULT - Static variable in class org.apache.hadoop.fs.s3a.常量
Deprecated.
use the Options.OpenFileOptions value in code which only needs to be compiled against newer hadoop releases.
INPUT_FADV_NORMAL - Static variable in class org.apache.hadoop.fs.s3a.常量
通用输入。
INPUT_FADV_RANDOM - Static variable in class org.apache.hadoop.fs.s3a.常量
Deprecated.
use the Options.OpenFileOptions value in code which only needs to be compiled against newer hadoop releases.
INPUT_FADV_SEQUENTIAL - Static variable in class org.apache.hadoop.fs.s3a.常量
Deprecated.
use the Options.OpenFileOptions value in code which only needs to be compiled against newer hadoop releases.
INPUT_FADVISE - Static variable in class org.apache.hadoop.fs.s3a.常量
读取数据时用于缓冲、查找及类似操作的输入策略选择。
INPUT_FIELD_NAMES_PROPERTY - Static variable in class org.apache.hadoop.mapred.lib.db.DBConfiguration
输入表中的字段名称
INPUT_FIELD_NAMES_PROPERTY - Static variable in class org.apache.hadoop.mapreduce.lib.db.DBConfiguration
输入表中的字段名称
INPUT_FORMAT - Static variable in class org.apache.hadoop.mapred.pipes.Submitter
 
INPUT_ORDER_BY_PROPERTY - Static variable in class org.apache.hadoop.mapred.lib.db.DBConfiguration
输入SELECT语句中的ORDER BY子句
INPUT_ORDER_BY_PROPERTY - Static variable in class org.apache.hadoop.mapreduce.lib.db.DBConfiguration
输入SELECT语句中的ORDER BY子句
INPUT_QUERY - Static variable in class org.apache.hadoop.mapred.lib.db.DBConfiguration
完整输入查询,不包括LIMIT...OFFSET
INPUT_QUERY - Static variable in class org.apache.hadoop.mapreduce.lib.db.DBConfiguration
完整输入查询,不包括LIMIT...OFFSET
INPUT_TABLE_NAME_PROPERTY - Static variable in class org.apache.hadoop.mapred.lib.db.DBConfiguration
输入表名
INPUT_TABLE_NAME_PROPERTY - Static variable in class org.apache.hadoop.mapreduce.lib.db.DBConfiguration
输入表名
inputFile - Variable in class org.apache.hadoop.mapreduce.lib.aggregate.ValueAggregatorBaseDescriptor
 
InputFormat<K,V> - Interface in org.apache.hadoop.mapred
InputFormat describes the input-specification for a Map-Reduce job.
InputFormat<K,V> - Class in org.apache.hadoop.mapreduce
InputFormat describes the input-specification for a Map-Reduce job.
InputFormat() - Constructor for class org.apache.hadoop.mapreduce.InputFormat
 
InputSampler<K,V> - Class in org.apache.hadoop.mapred.lib
 
InputSampler(JobConf) - Constructor for class org.apache.hadoop.mapred.lib.InputSampler
 
InputSampler<K,V> - Class in org.apache.hadoop.mapreduce.lib.partition
Utility for collecting samples and writing a partition file for TotalOrderPartitioner.
InputSampler(Configuration) - Constructor for class org.apache.hadoop.mapreduce.lib.partition.InputSampler
 
InputSplit - Interface in org.apache.hadoop.mapred
InputSplit represents the data to be processed by an individual Mapper.
InputSplit - Class in org.apache.hadoop.mapreduce
InputSplit represents the data to be processed by an individual Mapper.
InputSplit() - Constructor for class org.apache.hadoop.mapreduce.InputSplit
 
InputSplitWithLocationInfo - Interface in org.apache.hadoop.mapred
 
installTopology() - Method in class org.apache.hadoop.yarn.state.StateMachineFactory
 
instance() - Static method in enum org.apache.hadoop.metrics2.lib.DefaultMetricsSystem
 
IntegerConfigurationBasicValidator - Class in org.apache.hadoop.fs.azurebfs.diagnostics
整数配置值验证器。
IntegerConfigurationBasicValidator(int, int, int, String, boolean) - Constructor for class org.apache.hadoop.fs.azurebfs.diagnostics.IntegerConfigurationBasicValidator
 
IntegerConfigurationBasicValidator(int, int, int, int, String, boolean) - Constructor for class org.apache.hadoop.fs.azurebfs.diagnostics.IntegerConfigurationBasicValidator
 
IntegerSplitter - Class in org.apache.hadoop.mapreduce.lib.db
在整数值上实现DBSplitter。
IntegerSplitter() - Constructor for class org.apache.hadoop.mapreduce.lib.db.IntegerSplitter
 
InterfaceAudience - Class in org.apache.hadoop.classification
用于告知用户某个包、类或方法的目标受众的注解。
接口稳定性 - Class in org.apache.hadoop.classification
注释用于告知用户可以在多大程度上依赖某个特定的包、类或方法不会随时间变化。
InterfaceStability() - Constructor for class org.apache.hadoop.classification.InterfaceStability
 
internal - Variable in class org.apache.hadoop.registry.client.types.ServiceRecord
List of endpoints for use within an application.
实习生 - Class in org.apache.hadoop.metrics2.lib
用于创建内部度量信息的辅助工具。
Interns() - Constructor for class org.apache.hadoop.metrics2.lib.实习生
 
internStringsInArray(String[]) - Static method in class org.apache.hadoop.util.StringInterner
对给定数组中的所有字符串进行内部化处理(驻留),并返回同一个数组。
INTERPRETOR - Static variable in class org.apache.hadoop.mapred.pipes.Submitter
 
IntSumReducer<Key> - Class in org.apache.hadoop.mapreduce.lib.reduce
 
IntSumReducer() - Constructor for class org.apache.hadoop.mapreduce.lib.reduce.IntSumReducer
 
IntWritable - Class in org.apache.hadoop.io
一个用于整数的WritableComparable。
IntWritable() - Constructor for class org.apache.hadoop.io.IntWritable
 
IntWritable(int) - Constructor for class org.apache.hadoop.io.IntWritable
 
INVALID - Static variable in class org.apache.hadoop.yarn.api.records.ContainerExitStatus
 
INVALID_TIMESTAMP - Static variable in class org.apache.hadoop.yarn.api.records.timelineservice.TimelineEvent
 
InvalidAbfsRestOperationException - Exception in org.apache.hadoop.fs.azurebfs.contracts.exceptions
用于封装无效Azure服务错误响应及网络IO引发的异常的异常类
InvalidAbfsRestOperationException(Exception) - Constructor for exception org.apache.hadoop.fs.azurebfs.contracts.exceptions.InvalidAbfsRestOperationException
 
InvalidAbfsRestOperationException(Exception, int) - Constructor for exception org.apache.hadoop.fs.azurebfs.contracts.exceptions.InvalidAbfsRestOperationException
添加重试次数以及异常信息。
InvalidAclOperationException - Exception in org.apache.hadoop.fs.azurebfs.contracts.exceptions
当尝试对ACL执行无效操作时抛出。
InvalidAclOperationException(String) - Constructor for exception org.apache.hadoop.fs.azurebfs.contracts.exceptions.InvalidAclOperationException
 
invalidateCache(String) - Method in class org.apache.hadoop.crypto.key.KeyProvider
实现类可用于使缓存失效。
InvalidConfigurationValueException - Exception in org.apache.hadoop.fs.azurebfs.contracts.exceptions
当配置值无效时抛出
InvalidConfigurationValueException(String, Exception) - Constructor for exception org.apache.hadoop.fs.azurebfs.contracts.exceptions.InvalidConfigurationValueException
 
InvalidConfigurationValueException(String) - Constructor for exception org.apache.hadoop.fs.azurebfs.contracts.exceptions.InvalidConfigurationValueException
 
InvalidFileSystemPropertyException - Exception in org.apache.hadoop.fs.azurebfs.contracts.exceptions
当文件系统属性无效时抛出。
InvalidFileSystemPropertyException(String) - Constructor for exception org.apache.hadoop.fs.azurebfs.contracts.exceptions.InvalidFileSystemPropertyException
 
InvalidFileTypeException - Exception in org.apache.hadoop.mapred
当文件类型与期望的文件类型不符时使用。
InvalidFileTypeException() - Constructor for exception org.apache.hadoop.mapred.InvalidFileTypeException
 
InvalidFileTypeException(String) - Constructor for exception org.apache.hadoop.mapred.InvalidFileTypeException
 
InvalidInputException - Exception in org.apache.hadoop.mapred
该类封装了输入问题列表,以便用户可以一次性获取所有问题列表,而无需逐个查找和修复。
InvalidInputException(List) - Constructor for exception org.apache.hadoop.mapred.InvalidInputException
使用给定的列表创建异常。
InvalidInputException - Exception in org.apache.hadoop.mapreduce.lib.input
该类封装了输入问题列表,以便用户可以一次性获取所有问题列表,而无需逐个查找和修复。
InvalidInputException(List) - Constructor for exception org.apache.hadoop.mapreduce.lib.input.InvalidInputException
使用给定的列表创建异常。
InvalidJobConfException - Exception in org.apache.hadoop.mapred
当jobconf缺少某些必需属性或某些属性的值无效时,会抛出此异常。
InvalidJobConfException() - Constructor for exception org.apache.hadoop.mapred.InvalidJobConfException
 
InvalidJobConfException(String) - Constructor for exception org.apache.hadoop.mapred.InvalidJobConfException
 
InvalidJobConfException(String, Throwable) - Constructor for exception org.apache.hadoop.mapred.InvalidJobConfException
 
InvalidJobConfException(Throwable) - Constructor for exception org.apache.hadoop.mapred.InvalidJobConfException
 
InvalidPathException - Exception in org.apache.hadoop.fs
路径字符串无效,可能是因为包含非法字符或其他文件系统特定的原因。
InvalidPathException(String) - Constructor for exception org.apache.hadoop.fs.InvalidPathException
使用指定的详细消息构造异常。
InvalidPathException(String, String) - Constructor for exception org.apache.hadoop.fs.InvalidPathException
使用指定的详细消息构造异常。
InvalidPathHandleException - Exception in org.apache.hadoop.fs
Thrown when the constraints enoded in a PathHandle do not hold.
InvalidPathHandleException(String) - Constructor for exception org.apache.hadoop.fs.InvalidPathHandleException
 
InvalidPathHandleException(String, Throwable) - Constructor for exception org.apache.hadoop.fs.InvalidPathHandleException
 
InvalidPathnameException - Exception in org.apache.hadoop.registry.client.exceptions
路径名称无效。
InvalidPathnameException(String, String) - Constructor for exception org.apache.hadoop.registry.client.exceptions.InvalidPathnameException
 
InvalidPathnameException(String, String, Throwable) - Constructor for exception org.apache.hadoop.registry.client.exceptions.InvalidPathnameException
 
InvalidRecordException - Exception in org.apache.hadoop.registry.client.exceptions
如果尝试解析记录失败时引发。
InvalidRecordException(String, String) - Constructor for exception org.apache.hadoop.registry.client.exceptions.InvalidRecordException
 
InvalidRecordException(String, String, Throwable) - Constructor for exception org.apache.hadoop.registry.client.exceptions.InvalidRecordException
 
InvalidStateTransitionException - Exception in org.apache.hadoop.yarn.state
调用无效状态转换时发生的异常。
InvalidStateTransitionException(Enum, Enum) - Constructor for exception org.apache.hadoop.yarn.state.InvalidStateTransitionException
 
InvalidStateTransitonException - Exception in org.apache.hadoop.yarn.state
Deprecated.
InvalidStateTransitonException(Enum, Enum) - Constructor for exception org.apache.hadoop.yarn.state.InvalidStateTransitonException
Deprecated.
 
InvalidUriAuthorityException - Exception in org.apache.hadoop.fs.azurebfs.contracts.exceptions
当URI授权无效时抛出。
InvalidUriAuthorityException(String) - Constructor for exception org.apache.hadoop.fs.azurebfs.contracts.exceptions.InvalidUriAuthorityException
 
InvalidUriException - Exception in org.apache.hadoop.fs.azurebfs.contracts.exceptions
当URI无效时抛出。
InvalidUriException(String) - Constructor for exception org.apache.hadoop.fs.azurebfs.contracts.exceptions.InvalidUriException
 
INVERSE_QUANTILES - Static variable in class org.apache.hadoop.metrics2.lib.MutableInverseQuantiles
 
InverseMapper<K,V> - Class in org.apache.hadoop.mapred.lib
A Mapper that swaps keys and values.
InverseMapper() - Constructor for class org.apache.hadoop.mapred.lib.InverseMapper
 
InverseMapper<K,V> - Class in org.apache.hadoop.mapreduce.lib.map
A Mapper that swaps keys and values.
InverseMapper() - Constructor for class org.apache.hadoop.mapreduce.lib.map.InverseMapper
 
IO_COMPRESSION_CODEC_LZO_CLASS_KEY - Static variable in class org.apache.hadoop.fs.CommonConfigurationKeysPublic
实现Lzo压缩算法的编解码器类
IO_EXCEPTION - Static variable in class org.apache.hadoop.yarn.api.records.timeline.TimelinePutResponse.TimelinePutError
当上传实体时遇到IOException时返回的错误代码。
IO_EXCEPTION - Static variable in class org.apache.hadoop.yarn.api.records.timelineservice.TimelineWriteResponse.TimelineWriteError
如果在存储实体时遇到IOException,则返回此错误代码。
IO_FILE_BUFFER_SIZE_DEFAULT - Static variable in class org.apache.hadoop.fs.CommonConfigurationKeysPublic
IO_FILE_BUFFER_SIZE_KEY 的默认值
IO_FILE_BUFFER_SIZE_KEY - Static variable in class org.apache.hadoop.fs.CommonConfigurationKeysPublic
 
IO_MAP_INDEX_INTERVAL_DEFAULT - Static variable in class org.apache.hadoop.fs.CommonConfigurationKeysPublic
IO_MAP_INDEX_INTERVAL_DEFAULT的默认值
IO_MAP_INDEX_INTERVAL_KEY - Static variable in class org.apache.hadoop.fs.CommonConfigurationKeysPublic
 
IO_MAP_INDEX_SKIP_DEFAULT - Static variable in class org.apache.hadoop.fs.CommonConfigurationKeysPublic
IO_MAP_INDEX_SKIP_KEY的默认值
IO_MAP_INDEX_SKIP_KEY - Static variable in class org.apache.hadoop.fs.CommonConfigurationKeysPublic
 
IO_MAPFILE_BLOOM_ERROR_RATE_DEFAULT - Static variable in class org.apache.hadoop.fs.CommonConfigurationKeysPublic
IO_MAPFILE_BLOOM_ERROR_RATE_KEY的默认值
IO_MAPFILE_BLOOM_ERROR_RATE_KEY - Static variable in class org.apache.hadoop.fs.CommonConfigurationKeysPublic
 
IO_MAPFILE_BLOOM_SIZE_DEFAULT - Static variable in class org.apache.hadoop.fs.CommonConfigurationKeysPublic
IO_MAPFILE_BLOOM_SIZE_KEY的默认值
IO_MAPFILE_BLOOM_SIZE_KEY - Static variable in class org.apache.hadoop.fs.CommonConfigurationKeysPublic
 
IO_SEQFILE_COMPRESS_BLOCKSIZE_DEFAULT - Static variable in class org.apache.hadoop.fs.CommonConfigurationKeysPublic
IO_SEQFILE_COMPRESS_BLOCKSIZE_KEY 的默认值
IO_SEQFILE_COMPRESS_BLOCKSIZE_KEY - Static variable in class org.apache.hadoop.fs.CommonConfigurationKeysPublic
 
IO_SERIALIZATIONS_KEY - Static variable in class org.apache.hadoop.fs.CommonConfigurationKeysPublic
 
IO_SKIP_CHECKSUM_ERRORS_DEFAULT - Static variable in class org.apache.hadoop.fs.CommonConfigurationKeysPublic
IO_SKIP_CHECKSUM_ERRORS_KEY的默认值
IO_SKIP_CHECKSUM_ERRORS_KEY - Static variable in class org.apache.hadoop.fs.CommonConfigurationKeysPublic
 
IO_SORT_FACTOR_DEFAULT - Static variable in class org.apache.hadoop.fs.CommonConfigurationKeysPublic
IO_SORT_FACTOR_KEY - Static variable in class org.apache.hadoop.fs.CommonConfigurationKeysPublic
Deprecated.
Moved to mapreduce, see mapreduce.task.io.sort.factor in mapred-default.xml See https://issues.apache.org/jira/browse/HADOOP-6801 For SequenceFile.Sorter control instead, see CommonConfigurationKeysPublic.SEQ_IO_SORT_FACTOR_KEY.
IO_SORT_MB_DEFAULT - Static variable in class org.apache.hadoop.fs.CommonConfigurationKeysPublic
IO_SORT_MB_KEY - Static variable in class org.apache.hadoop.fs.CommonConfigurationKeysPublic
Deprecated.
Moved to mapreduce, see mapreduce.task.io.sort.mb in mapred-default.xml See https://issues.apache.org/jira/browse/HADOOP-6801 For SequenceFile.Sorter control instead, see CommonConfigurationKeysPublic.SEQ_IO_SORT_MB_KEY.
IO统计 - Interface in org.apache.hadoop.fs.statistics
IO 统计信息。
IOSTATISTICS - Static variable in interface org.apache.hadoop.fs.StreamCapabilities
IOStatisticsSource API。
IOSTATISTICS_CONTEXT - Static variable in interface org.apache.hadoop.fs.StreamCapabilities
支持IOStatistics上下文并捕获线程级IOStatistics的流。
iostatistics_counters(Serializable) - Static method in class org.apache.hadoop.io.wrappedio.WrappedStatistics
获取IOStatisticsSnapshot的计数器。
iostatistics_gauges(Serializable) - Static method in class org.apache.hadoop.io.wrappedio.WrappedStatistics
获取IOStatisticsSnapshot的测量指标。
iostatistics_maximums(Serializable) - Static method in class org.apache.hadoop.io.wrappedio.WrappedStatistics
获取IOStatisticsSnapshot的最大值。
iostatistics_means(Serializable) - Static method in class org.apache.hadoop.io.wrappedio.WrappedStatistics
获取IOStatisticsSnapshot的平均值。
iostatistics_minimums(Serializable) - Static method in class org.apache.hadoop.io.wrappedio.WrappedStatistics
获取IOStatisticsSnapshot的最小值。
iostatistics_toPrettyString(Object) - Static method in class org.apache.hadoop.io.wrappedio.WrappedStatistics
将IOStatistics转换为字符串形式,所有指标已排序且空值已去除。
IOStatisticsAggregator - Interface in org.apache.hadoop.fs.statistics
Interface exported by classes which support aggregation of IOStatistics.
iostatisticsContext_aggregate(Object) - Static method in class org.apache.hadoop.io.wrappedio.WrappedStatistics
将通过IOStatistics/source参数传入的统计数据聚合到IOStatistics上下文中。
iostatisticsContext_enabled() - Static method in class org.apache.hadoop.io.wrappedio.WrappedStatistics
静态探针,用于检查是否启用了线程级IO统计。
iostatisticsContext_getCurrent() - Static method in class org.apache.hadoop.io.wrappedio.WrappedStatistics
Get the context's IOStatisticsContext which implements IOStatisticsSource.
iostatisticsContext_reset() - Static method in class org.apache.hadoop.io.wrappedio.WrappedStatistics
重置上下文的IO统计信息。
iostatisticsContext_setThreadIOStatisticsContext(Object) - Static method in class org.apache.hadoop.io.wrappedio.WrappedStatistics
为当前线程设置IOStatisticsContext。
iostatisticsContext_snapshot() - Static method in class org.apache.hadoop.io.wrappedio.WrappedStatistics
获取上下文IOStatistics的快照。
IOStatisticsLogging - Class in org.apache.hadoop.fs.statistics
实用工具操作将IO统计数据的来源/实例转换为字符串,尤其适用于健壮的日志记录。
IOStatisticsSetters - Interface in org.apache.hadoop.fs.statistics
设置IOStatistics条目。
IOStatisticsSnapshot - Class in org.apache.hadoop.fs.statistics
来自不同来源的统计快照。
IOStatisticsSnapshot() - Constructor for class org.apache.hadoop.fs.statistics.IOStatisticsSnapshot
构造。
IOStatisticsSnapshot(IOStatistics) - Constructor for class org.apache.hadoop.fs.statistics.IOStatisticsSnapshot
构造时,如果源数据非空,则对源统计数据拍摄快照。
iostatisticsSnapshot_aggregate(Serializable, Object) - Static method in class org.apache.hadoop.io.wrappedio.WrappedStatistics
Aggregate an existing IOStatisticsSnapshot with the supplied statistics.
iostatisticsSnapshot_create() - Static method in class org.apache.hadoop.io.wrappedio.WrappedStatistics
Create a new IOStatisticsSnapshot instance.
iostatisticsSnapshot_create(Object) - Static method in class org.apache.hadoop.io.wrappedio.WrappedStatistics
Create a new IOStatisticsSnapshot instance.
iostatisticsSnapshot_fromJsonString(String) - Static method in class org.apache.hadoop.io.wrappedio.WrappedStatistics
从JSON字符串加载IOStatisticsSnapshot。
iostatisticsSnapshot_load(FileSystem, Path) - Static method in class org.apache.hadoop.io.wrappedio.WrappedStatistics
从Hadoop文件系统加载IOStatisticsSnapshot。
iostatisticsSnapshot_retrieve(Object) - Static method in class org.apache.hadoop.io.wrappedio.WrappedStatistics
以可序列化的形式从对象中提取IOStatistics。
iostatisticsSnapshot_save(Serializable, FileSystem, Path, boolean) - Static method in class org.apache.hadoop.io.wrappedio.WrappedStatistics
将IOStatisticsSnapshot保存为JSON文件到Hadoop文件系统。
iostatisticsSnapshot_toJsonString(Serializable) - Static method in class org.apache.hadoop.io.wrappedio.WrappedStatistics
将IOStatisticsSnapshot保存为JSON字符串。
ioStatisticsSourceToString(Object) - Static method in class org.apache.hadoop.fs.statistics.IOStatisticsLogging
Extract the statistics from a source object -or "" if it is not an instance of IOStatistics, IOStatisticsSource or the retrieved statistics are null.
IOStatisticsSupport - Class in org.apache.hadoop.fs.statistics
支持处理IO统计信息。
ioStatisticsToPrettyString(IOStatistics) - Static method in class org.apache.hadoop.fs.statistics.IOStatisticsLogging
将IOStatistics转换为字符串形式,所有指标已排序且空值已去除。
ioStatisticsToString(IOStatistics) - Static method in class org.apache.hadoop.fs.statistics.IOStatisticsLogging
将IOStatistics转换为字符串形式。
IOUtils - Class in org.apache.hadoop.io
一个用于I/O相关功能的实用工具类。
IOUtils() - Constructor for class org.apache.hadoop.io.IOUtils
 
ip(String) - Method in class org.apache.hadoop.yarn.service.api.records.Container
运行中容器的IP地址,例如
IPC_CLIENT_CONNECT_MAX_RETRIES_DEFAULT - Static variable in class org.apache.hadoop.fs.CommonConfigurationKeysPublic
IPC_CLIENT_CONNECT_MAX_RETRIES_KEY的默认值
IPC_CLIENT_CONNECT_MAX_RETRIES_KEY - Static variable in class org.apache.hadoop.fs.CommonConfigurationKeysPublic
 
IPC_CLIENT_CONNECT_MAX_RETRIES_ON_SOCKET_TIMEOUTS_DEFAULT - Static variable in class org.apache.hadoop.fs.CommonConfigurationKeysPublic
IPC_CLIENT_CONNECT_MAX_RETRIES_ON_SOCKET_TIMEOUTS_KEY的默认值
IPC_CLIENT_CONNECT_MAX_RETRIES_ON_SOCKET_TIMEOUTS_KEY - Static variable in class org.apache.hadoop.fs.CommonConfigurationKeysPublic
 
IPC_CLIENT_CONNECT_RETRY_INTERVAL_DEFAULT - Static variable in class org.apache.hadoop.fs.CommonConfigurationKeysPublic
IPC_CLIENT_CONNECT_RETRY_INTERVAL_KEY的默认值
IPC_CLIENT_CONNECT_RETRY_INTERVAL_KEY - Static variable in class org.apache.hadoop.fs.CommonConfigurationKeysPublic
 
IPC_CLIENT_CONNECT_TIMEOUT_DEFAULT - Static variable in class org.apache.hadoop.fs.CommonConfigurationKeysPublic
IPC_CLIENT_CONNECT_TIMEOUT_KEY的默认值
IPC_CLIENT_CONNECT_TIMEOUT_KEY - Static variable in class org.apache.hadoop.fs.CommonConfigurationKeysPublic
 
IPC_CLIENT_CONNECTION_MAXIDLETIME_DEFAULT - Static variable in class org.apache.hadoop.fs.CommonConfigurationKeysPublic
IPC_CLIENT_CONNECTION_MAXIDLETIME_KEY 的默认值
IPC_CLIENT_CONNECTION_MAXIDLETIME_KEY - Static variable in class org.apache.hadoop.fs.CommonConfigurationKeysPublic
 
IPC_CLIENT_FACTORY_CLASS - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
用于创建客户端IPC类的工厂。
IPC_CLIENT_IDLETHRESHOLD_DEFAULT - Static variable in class org.apache.hadoop.fs.CommonConfigurationKeysPublic
IPC_CLIENT_IDLETHRESHOLD_DEFAULT的默认值
IPC_CLIENT_IDLETHRESHOLD_KEY - Static variable in class org.apache.hadoop.fs.CommonConfigurationKeysPublic
 
IPC_CLIENT_KILL_MAX_DEFAULT - Static variable in class org.apache.hadoop.fs.CommonConfigurationKeysPublic
IPC_CLIENT_KILL_MAX_KEY 的默认值
IPC_CLIENT_KILL_MAX_KEY - Static variable in class org.apache.hadoop.fs.CommonConfigurationKeysPublic
 
IPC_CLIENT_LOW_LATENCY - Static variable in class org.apache.hadoop.fs.CommonConfigurationKeysPublic
启用来自客户端的低延迟连接
IPC_CLIENT_LOW_LATENCY_DEFAULT - Static variable in class org.apache.hadoop.fs.CommonConfigurationKeysPublic
IPC_CLIENT_LOW_LATENCY的默认值
IPC_CLIENT_TCPNODELAY_DEFAULT - Static variable in class org.apache.hadoop.fs.CommonConfigurationKeysPublic
IPC_CLIENT_TCPNODELAY_KEY的默认值
IPC_CLIENT_TCPNODELAY_KEY - Static variable in class org.apache.hadoop.fs.CommonConfigurationKeysPublic
 
IPC_PREFIX - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
IPC_RECORD_FACTORY_CLASS - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
用于创建可序列化记录的工厂。
IPC_RPC_IMPL - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
RPC类实现
IPC_SERVER_FACTORY_CLASS - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
创建服务器IPC类的工厂。
IPC_SERVER_LISTEN_QUEUE_SIZE_DEFAULT - Static variable in class org.apache.hadoop.fs.CommonConfigurationKeysPublic
IPC_SERVER_LISTEN_QUEUE_SIZE_KEY的默认值
IPC_SERVER_LISTEN_QUEUE_SIZE_KEY - Static variable in class org.apache.hadoop.fs.CommonConfigurationKeysPublic
 
IPC_SERVER_LOG_SLOW_RPC - Static variable in class org.apache.hadoop.fs.CommonConfigurationKeysPublic
记录与其他RPC相比确实很慢的RPC日志。
IPC_SERVER_LOG_SLOW_RPC_DEFAULT - Static variable in class org.apache.hadoop.fs.CommonConfigurationKeysPublic
 
IPC_SERVER_LOG_SLOW_RPC_THRESHOLD_MS_DEFAULT - Static variable in class org.apache.hadoop.fs.CommonConfigurationKeysPublic
 
IPC_SERVER_LOG_SLOW_RPC_THRESHOLD_MS_KEY - Static variable in class org.apache.hadoop.fs.CommonConfigurationKeysPublic
 
IPC_SERVER_MAX_CONNECTIONS_DEFAULT - Static variable in class org.apache.hadoop.fs.CommonConfigurationKeysPublic
IPC_SERVER_MAX_CONNECTIONS_KEY的默认值
IPC_SERVER_MAX_CONNECTIONS_KEY - Static variable in class org.apache.hadoop.fs.CommonConfigurationKeysPublic
 
IPC_SERVER_METRICS_UPDATE_RUNNER_INTERVAL - Static variable in class org.apache.hadoop.fs.CommonConfigurationKeysPublic
配置服务器指标更新线程的调度。
IPC_SERVER_METRICS_UPDATE_RUNNER_INTERVAL_DEFAULT - Static variable in class org.apache.hadoop.fs.CommonConfigurationKeysPublic
 
IPC_SERVER_PURGE_INTERVAL_MINUTES_DEFAULT - Static variable in class org.apache.hadoop.fs.CommonConfigurationKeysPublic
 
IPC_SERVER_PURGE_INTERVAL_MINUTES_KEY - Static variable in class org.apache.hadoop.fs.CommonConfigurationKeysPublic
 
IPC_SERVER_REUSEADDR_DEFAULT - Static variable in class org.apache.hadoop.fs.CommonConfigurationKeysPublic
IPC_SERVER_REUSEADDR_KEY的默认值。
IPC_SERVER_REUSEADDR_KEY - Static variable in class org.apache.hadoop.fs.CommonConfigurationKeysPublic
 
IPC_SERVER_TCPNODELAY_DEFAULT - Static variable in class org.apache.hadoop.fs.CommonConfigurationKeysPublic
IPC_SERVER_TCPNODELAY_KEY 的默认值
IPC_SERVER_TCPNODELAY_KEY - Static variable in class org.apache.hadoop.fs.CommonConfigurationKeysPublic
 
ipcEndpoint(String, InetSocketAddress) - Static method in class org.apache.hadoop.registry.client.binding.RegistryTypeUtils
创建一个IPC端点
IP列表 - Interface in org.apache.hadoop.util
 
IS_JAVA_MAP - Static variable in class org.apache.hadoop.mapred.pipes.Submitter
 
IS_JAVA_REDUCE - Static variable in class org.apache.hadoop.mapred.pipes.Submitter
 
IS_JAVA_RR - Static variable in class org.apache.hadoop.mapred.pipes.Submitter
 
IS_JAVA_RW - Static variable in class org.apache.hadoop.mapred.pipes.Submitter
 
IS_MINI_YARN_CLUSTER - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
isAbsolute() - Method in class org.apache.hadoop.fs.Path
如果路径组件(即
isAbsoluteAndSchemeAuthorityNull() - Method in class org.apache.hadoop.fs.Path
如果路径组件(即
isAclEnabled(Configuration) - Static method in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
isActiveState() - Method in enum org.apache.hadoop.yarn.api.records.NodeState
 
isAllAllowed() - Method in class org.apache.hadoop.security.authorize.AccessControlList
 
isAnyLocation(String) - Static method in class org.apache.hadoop.yarn.api.records.ResourceRequest
Check whether the given host/rack string represents an arbitrary host name.
isAppendBlobKey(String) - Method in class org.apache.hadoop.fs.azurebfs.AzureBlobFileSystemStore
检查Azure存储中的给定键是否应存储为页blob而非块blob。
isApplicationEntity(TimelineEntity) - Static method in class org.apache.hadoop.yarn.api.records.timelineservice.ApplicationEntity
检查输入的TimelineEntity对象是否为ApplicationEntity。
isAsynchronousMode() - Static method in class org.apache.hadoop.ipc.Client
检查RPC是否处于异步模式。
isAtomicRenameKey(String) - Method in class org.apache.hadoop.fs.azurebfs.AzureBlobFileSystemStore
 
isAutoFailoverEnabled() - Method in class org.apache.hadoop.ha.HAServiceTarget
 
isBlacklisted() - Method in class org.apache.hadoop.mapreduce.TaskTrackerInfo
追踪器是否被列入黑名单
isBrowser(String) - Method in class org.apache.hadoop.security.http.RestCsrfPreventionFilter
该方法会检查User-Agent字符串并返回它是否指向浏览器。
isCallerContextEnabled - Variable in class org.apache.hadoop.hdfs.server.namenode.DefaultAuditLogger
 
isChecksumFile(Path) - Static method in class org.apache.hadoop.fs.ChecksumFileSystem
如果文件是校验和文件名,则返回true。
isChild(TimelineEntityType) - Method in enum org.apache.hadoop.yarn.api.records.timelineservice.TimelineEntityType
输入类型是否可以成为此实体的子项。
isClientBackoffEnabled() - Method in class org.apache.hadoop.ipc.Server
 
isCommitJobRepeatable(JobContext) - Method in class org.apache.hadoop.mapred.FileOutputCommitter
 
isCommitJobRepeatable(JobContext) - Method in class org.apache.hadoop.mapred.OutputCommitter
如果正在进行中的作业提交可以重试,则返回true。
isCommitJobRepeatable(JobContext) - Method in class org.apache.hadoop.mapred.OutputCommitter
 
isCommitJobRepeatable(JobContext) - Method in class org.apache.hadoop.mapreduce.lib.output.BindingPathOutputCommitter
 
isCommitJobRepeatable(JobContext) - Method in class org.apache.hadoop.mapreduce.lib.output.committer.manifest.ManifestCommitter
作业提交期间的失败无法恢复。
isCommitJobRepeatable(JobContext) - Method in class org.apache.hadoop.mapreduce.lib.output.FileOutputCommitter
 
isCommitJobRepeatable(JobContext) - Method in class org.apache.hadoop.mapreduce.OutputCommitter
如果正在进行中的作业提交可以重试,则返回true。
isComplete() - Method in interface org.apache.hadoop.mapred.RunningJob
检查作业是否已完成。
isComplete() - Method in class org.apache.hadoop.mapreduce.Job
检查作业是否已完成。
isCompleted() - Method in class org.apache.hadoop.mapreduce.lib.jobcontrol.ControlledJob
 
isContainerCredentialsProvider() - Method in class org.apache.hadoop.fs.s3a.auth.IAMInstanceCredentialsProvider
这是一个容器凭证提供者吗?
isCopyOnCreateFile() - Method in interface org.apache.hadoop.fs.BlockStoragePolicySpi
如果策略是仅继承且无法为现有文件更改,则返回true。
isCorrupt() - Method in class org.apache.hadoop.fs.BlockLocation
获取损坏标志。
isDeclaredComponentType(Class) - Method in class org.apache.hadoop.io.ArrayPrimitiveWritable
 
isDeprecated(String) - Static method in class org.apache.hadoop.conf.配置
checks whether the given key is deprecated.
isDir() - Method in class org.apache.hadoop.fs.FileStatus
isDirectory() - Method in class org.apache.hadoop.fs.FileStatus
这是一个目录吗?
isDirectory(Path) - Method in class org.apache.hadoop.fs.FileSystem
Deprecated.
isDistSchedulingEnabled(Configuration) - Static method in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
isDrained() - Method in class org.apache.hadoop.yarn.event.AsyncDispatcher
 
isDriverReady() - Method in class org.apache.hadoop.hdfs.server.federation.store.driver.StateStoreDriver
检查驱动程序当前是否正在运行以及数据存储连接是否有效。
isEmpty() - Method in class org.apache.hadoop.fs.statistics.MeanStatistic
统计是否为空?
isEmpty() - Method in class org.apache.hadoop.io.MapWritable
 
isEmpty() - Method in class org.apache.hadoop.io.SortedMapWritable
 
isEnabled() - Method in class org.apache.hadoop.fs.回收站
返回该文件系统是否启用了回收站功能。
isEnabled() - Method in class org.apache.hadoop.fs.TrashPolicy
返回此文件系统是否启用了回收站策略。
isEncrypted() - Method in class org.apache.hadoop.fs.FileStatus
判断底层文件或目录是否已加密。
isEqual(Object, Object) - Static method in class org.apache.hadoop.security.token.delegation.AbstractDelegationTokenIdentifier
 
isErasureCoded() - Method in class org.apache.hadoop.fs.FileStatus
判断底层文件或目录是否采用纠删码存储。
isErasureCoded() - Method in class org.apache.hadoop.hdfs.inotify.Event.CreateEvent
 
isEventThreadWaiting() - Method in class org.apache.hadoop.yarn.event.AsyncDispatcher
 
isExclusive() - Method in class org.apache.hadoop.yarn.api.records.NodeLabel
 
isFile() - Method in class org.apache.hadoop.fs.FileStatus
这是一个文件吗?
isFile(Path) - Method in class org.apache.hadoop.fs.FileSystem
Deprecated.
isFromKeytab() - Method in class org.apache.hadoop.security.UserGroupInformation
该用户是否通过UGI管理的keytab文件登录?
isFsSupportsChmod() - Method in class org.apache.hadoop.yarn.logaggregation.filecontroller.LogAggregationFileController
 
isHealthy(URI) - Static method in class org.apache.hadoop.hdfs.client.HdfsUtils
HDFS是否健康? 如果HDFS已启动且未处于安全模式,则认为它是健康的。
isIn(String) - Method in interface org.apache.hadoop.util.IPList
如果ipAddress在IPList中则返回true。
isInactiveState() - Method in enum org.apache.hadoop.yarn.api.records.NodeState
 
isIncremental() - Method in class org.apache.hadoop.hdfs.client.BlockReportOptions
 
isInfiniteLeaseKey(String) - Method in class org.apache.hadoop.fs.azurebfs.AzureBlobFileSystemStore
 
isInitialized() - Static method in class org.apache.hadoop.security.UserGroupInformation
 
isInMemory() - Method in class org.apache.hadoop.mapred.SplitLocationInfo
 
isInState(Service.STATE) - Method in class org.apache.hadoop.service.AbstractService
 
isInState(Service.STATE) - Method in interface org.apache.hadoop.service.Service
查询服务是否处于特定状态。
isInState(Service.STATE) - Method in class org.apache.hadoop.service.ServiceStateModel
查询状态是否处于特定状态
isIOStatistics(Object) - Static method in class org.apache.hadoop.io.wrappedio.WrappedStatistics
Probe for an object being an instance of IOStatistics.
isIOStatisticsSnapshot(Serializable) - Static method in class org.apache.hadoop.io.wrappedio.WrappedStatistics
Probe for an object being an instance of IOStatisticsSnapshot.
isIOStatisticsSource(Object) - Static method in class org.apache.hadoop.io.wrappedio.WrappedStatistics
Probe for an object being an instance of IOStatisticsSource.
isJava7OrAbove() - Static method in class org.apache.hadoop.util.Shell
Deprecated.
This call isn't needed any more: please remove uses of it.
isJavaVersionAtLeast(int) - Static method in class org.apache.hadoop.util.Shell
查询系统Java规范的主版本是否等于或大于参数。
isJobComplete() - Method in class org.apache.hadoop.mapreduce.JobStatus
如果状态对应的是已完成作业,则返回true。
isJobDirValid(Path, FileSystem) - Static method in class org.apache.hadoop.mapred.JobClient
检查作业目录是否干净,并包含所有(重新)启动作业所需的组件
isLocal() - Method in class org.apache.hadoop.hdfs.ReplicaAccessor
如果通过此访问器读取的字节应计入本地字节统计,则返回true。
isLoginKeytabBased() - Static method in class org.apache.hadoop.security.UserGroupInformation
登录是否通过keytab完成。
isLoginSuccess() - Method in class org.apache.hadoop.security.UserGroupInformation
该方法检查Kerberos登录是否成功,如果未使用Kerberos则默认返回true。
isLoginTicketBased() - Static method in class org.apache.hadoop.security.UserGroupInformation
登录是否通过票证缓存完成。
isLogSlowRPC() - Method in class org.apache.hadoop.ipc.Server
检查是否将LogSlowRPC设置为true。
isManaged() - Method in class org.apache.hadoop.security.token.Token
此令牌是否被管理以便可以续订或取消?
isManaged(Token) - Method in class org.apache.hadoop.security.token.Token.TrivialRenewer
 
isManaged(Token) - Method in class org.apache.hadoop.security.token.TokenRenewer
给定的令牌是否受管理?只有受管理的令牌可以续订或取消。
isMap() - Method in class org.apache.hadoop.mapreduce.TaskAttemptID
Deprecated.
isMap() - Method in class org.apache.hadoop.mapreduce.TaskID
Deprecated.
isMappingSingleSwitch(DNSToSwitchMapping) - Static method in class org.apache.hadoop.net.AbstractDNSToSwitchMapping
Query for a DNSToSwitchMapping instance being on a single switch.
isMapTask() - Method in class org.apache.hadoop.mapreduce.TaskCompletionEvent
 
isMovable() - Method in enum org.apache.hadoop.fs.StorageType
 
isMultiNamedOutput(JobConf, String) - Static method in class org.apache.hadoop.mapred.lib.MultipleOutputs
返回命名输出是否为多个。
isNegativeVInt(byte) - Static method in class org.apache.hadoop.io.WritableUtils
给定vint/vlong的第一个字节,确定符号
isOnDisk() - Method in class org.apache.hadoop.mapred.SplitLocationInfo
 
isOpportunisticContainerAllocationEnabled(Configuration) - Static method in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
isOriginalTGT(KerberosTicket) - Static method in class org.apache.hadoop.security.SecurityUtil
检查服务器主体是否为TGS的主体
isParent(TimelineEntityType) - Method in enum org.apache.hadoop.yarn.api.records.timelineservice.TimelineEntityType
输入类型是否可以成为此实体的父级。
isPrivate() - Method in class org.apache.hadoop.security.token.Token
这是否为私有令牌。
isPrivateCloneOf(Text) - Method in class org.apache.hadoop.security.token.Token
这是否为公共令牌的私有克隆。
isPrivilegedPort(int) - Static method in class org.apache.hadoop.security.SecurityUtil
 
isPropertyTag(String) - Method in class org.apache.hadoop.conf.配置
获取与给定源对应的属性标签枚举。
isRAM() - Method in enum org.apache.hadoop.fs.StorageType
 
isReady() - Method in class org.apache.hadoop.mapreduce.lib.jobcontrol.ControlledJob
 
isRecoverySupported() - Method in class org.apache.hadoop.mapred.FileOutputCommitter
Deprecated.
isRecoverySupported(JobContext) - Method in class org.apache.hadoop.mapred.FileOutputCommitter
 
isRecoverySupported() - Method in class org.apache.hadoop.mapred.OutputCommitter
isRecoverySupported(JobContext) - Method in class org.apache.hadoop.mapred.OutputCommitter
重启作业时是否支持任务输出恢复? 如果支持任务输出恢复,作业重启可以更高效地进行。
isRecoverySupported(JobContext) - Method in class org.apache.hadoop.mapred.OutputCommitter
该方法通过调用旧方法实现了新接口。
isRecoverySupported() - Method in class org.apache.hadoop.mapreduce.lib.output.BindingPathOutputCommitter
 
isRecoverySupported(JobContext) - Method in class org.apache.hadoop.mapreduce.lib.output.BindingPathOutputCommitter
 
isRecoverySupported(JobContext) - Method in class org.apache.hadoop.mapreduce.lib.output.committer.manifest.ManifestCommitter
声明不支持任务恢复。
isRecoverySupported() - Method in class org.apache.hadoop.mapreduce.lib.output.FileOutputCommitter
Deprecated.
isRecoverySupported() - Method in class org.apache.hadoop.mapreduce.OutputCommitter
isRecoverySupported(JobContext) - Method in class org.apache.hadoop.mapreduce.OutputCommitter
重启作业时是否支持任务输出恢复? 如果支持任务输出恢复,作业重启可以更高效地进行。
isRecursive() - Method in class org.apache.hadoop.fs.FSDataOutputStreamBuilder
如果父目录不存在,则返回true以创建父目录。
isRegularFile(File) - Static method in class org.apache.hadoop.fs.FileUtil
 
isRegularFile(File, boolean) - Static method in class org.apache.hadoop.fs.FileUtil
检查文件是否为常规文件。
isRetired() - Method in interface org.apache.hadoop.mapred.RunningJob
检查作业是否已从JobTracker内存中移除并退役。
isRetired() - Method in class org.apache.hadoop.mapreduce.Job
 
isRetired() - Method in class org.apache.hadoop.mapreduce.JobStatus
检查作业是否已退休。
isRoot() - Method in class org.apache.hadoop.fs.Path
当且仅当该路径表示文件系统的根目录时返回true。
isRpcInvocation() - Static method in class org.apache.hadoop.ipc.Server
 
isRunning() - Method in class org.apache.hadoop.security.token.delegation.AbstractDelegationTokenSecretManager
secretMgr 是否在运行
isSecurityEnabled() - Static method in class org.apache.hadoop.security.UserGroupInformation
判断UserGroupInformation是否使用Kerberos来确定用户身份,还是依赖于简单认证
isServerFailOverEnabled() - Method in class org.apache.hadoop.ipc.Server
 
isServerFailOverEnabledByQueue() - Method in class org.apache.hadoop.ipc.Server
 
isSetsidAvailable - Static variable in class org.apache.hadoop.util.Shell
如果setsid存在则为真的标志。
isShortCircuit() - Method in class org.apache.hadoop.hdfs.ReplicaAccessor
如果通过此访问器读取的字节应计入短路字节计数统计,则返回true。
isShutdownInProgress() - Method in class org.apache.hadoop.util.ShutdownHookManager
指示是否正在进行关闭。
isSingleSwitch() - Method in class org.apache.hadoop.net.AbstractDNSToSwitchMapping
谓词,表示已知交换映射为单交换。
isSingleSwitch() - Method in class org.apache.hadoop.net.CachedDNSToSwitchMapping
Delegate the switch topology query to the raw mapping, via AbstractDNSToSwitchMapping.isMappingSingleSwitch(DNSToSwitchMapping)
isSingleSwitchByScriptPolicy() - Method in class org.apache.hadoop.net.AbstractDNSToSwitchMapping
 
isSnapshotEnabled() - Method in class org.apache.hadoop.fs.FileStatus
检查目录是否启用了快照功能。
isSplitable(FileSystem, Path) - Method in class org.apache.hadoop.mapred.FileInputFormat
给定的文件名是否可分割?通常情况下是可以的,但如果文件是流式压缩的,则不可分割。
isSplitable(FileSystem, Path) - Method in class org.apache.hadoop.mapred.FixedLengthInputFormat
 
isSplitable(FileSystem, Path) - Method in class org.apache.hadoop.mapred.KeyValueTextInputFormat
 
isSplitable(FileSystem, Path) - Method in class org.apache.hadoop.mapred.lib.CombineFileInputFormat
 
isSplitable(FileSystem, Path) - Method in class org.apache.hadoop.mapred.TextInputFormat
 
isSplitable(JobContext, Path) - Method in class org.apache.hadoop.mapreduce.lib.input.CombineFileInputFormat
 
isSplitable(JobContext, Path) - Method in class org.apache.hadoop.mapreduce.lib.input.FileInputFormat
给定的文件名是否可分割?通常情况下是可以的,但如果文件是流式压缩的,则不可分割。
isSplitable(JobContext, Path) - Method in class org.apache.hadoop.mapreduce.lib.input.FixedLengthInputFormat
 
isSplitable(JobContext, Path) - Method in class org.apache.hadoop.mapreduce.lib.input.KeyValueTextInputFormat
 
isSplitable(JobContext, Path) - Method in class org.apache.hadoop.mapreduce.lib.input.TextInputFormat
 
isStickyBit() - Method in class org.apache.hadoop.fs.permission.AclStatus
返回粘滞位。
isStopped() - Method in class org.apache.hadoop.yarn.event.AsyncDispatcher
 
isStriped() - Method in class org.apache.hadoop.fs.BlockLocation
如果块是条带化的(纠删码编码),则返回true。
isSubApplicationEntity(TimelineEntity) - Static method in class org.apache.hadoop.yarn.api.records.timelineservice.SubApplicationEntity
检查输入的TimelineEntity对象是否为SubApplicationEntity。
isSuccess() - Method in class org.apache.hadoop.fs.statistics.DurationStatisticSummary
 
isSuccessful() - Method in interface org.apache.hadoop.mapred.RunningJob
检查作业是否成功完成。
isSuccessful() - Method in class org.apache.hadoop.mapreduce.Job
检查作业是否成功完成。
isSymlink() - Method in class org.apache.hadoop.fs.FileStatus
这是一个符号链接吗?
isSystemClass(String, List) - Static method in class org.apache.hadoop.util.ApplicationClassLoader
检查一个类是否应被包含为系统类。
isTimedOut() - Method in class org.apache.hadoop.util.Shell
检查传递给shell命令执行器的脚本是否超时。
isTracked(String) - Method in class org.apache.hadoop.fs.StorageStatistics
如果正在跟踪统计信息,则返回true。
isTransient() - Method in class org.apache.hadoop.crypto.key.KeyProvider
指示此提供程序是否代表用于临时用途的存储 - 例如UserProvider。
isTransient() - Method in enum org.apache.hadoop.fs.StorageType
 
isTransient() - Method in class org.apache.hadoop.security.alias.CredentialProvider
指示此提供程序是否代表用于临时用途的存储 - 例如UserProvider。
isTypeConsumedAvailable() - Method in class org.apache.hadoop.fs.QuotaUsage
如果有任何存储类型消耗信息可用,则返回true。
isTypeQuotaSet() - Method in class org.apache.hadoop.fs.QuotaUsage
如果设置了任何存储类型配额,则返回true。
isUber() - Method in class org.apache.hadoop.mapreduce.Job
 
isUber() - Method in class org.apache.hadoop.mapreduce.JobStatus
任务是否在uber模式下运行
isUnmanagedApp() - Method in class org.apache.hadoop.yarn.api.records.ApplicationReport
 
isUnusable() - Method in enum org.apache.hadoop.yarn.api.records.NodeState
 
isUpgrading(ServiceState) - Static method in enum org.apache.hadoop.yarn.service.api.records.ServiceState
 
isUriPathAbsolute() - Method in class org.apache.hadoop.fs.Path
如果路径组件(即
isUserAllowed(UserGroupInformation) - Method in class org.apache.hadoop.security.authorize.AccessControlList
 
isUserInList(UserGroupInformation) - Method in class org.apache.hadoop.security.authorize.AccessControlList
Checks if a user represented by the provided UserGroupInformation is a member of the Access Control List.
isValid() - Method in class org.apache.hadoop.yarn.api.records.timelineservice.TimelineEntity
 
isValid() - Method in class org.apache.hadoop.yarn.api.records.timelineservice.TimelineEvent
 
isValid() - Method in class org.apache.hadoop.yarn.api.records.timelineservice.TimelineMetric
 
isValidName(String) - Method in class org.apache.hadoop.fs.AbstractFileSystem
如果指定的字符串在该文件系统的URI路径部分被视为有效,则返回true。
isValidName(String) - Method in class org.apache.hadoop.fs.viewfs.ViewFs
 
isValidStateTransition(Service.STATE, Service.STATE) - Static method in class org.apache.hadoop.service.ServiceStateModel
状态转换是否有效? 没有对当前状态==提议状态的检查, 因为这被视为非转换。
isViewFileSystem(FileSystem) - Static method in class org.apache.hadoop.fs.viewfs.ViewFileSystemUtil
检查文件系统是否为ViewFileSystem。
isViewFileSystemOverloadScheme(FileSystem) - Static method in class org.apache.hadoop.fs.viewfs.ViewFileSystemUtil
检查文件系统是否为ViewFileSystemOverloadScheme。
isWindowsAbsolutePath(String, boolean) - Static method in class org.apache.hadoop.fs.Path
判断给定的路径字符串在Windows系统上是否表示一个绝对路径。
isxAttrsRemoved() - Method in class org.apache.hadoop.hdfs.inotify.Event.MetadataUpdateEvent
getxAttrs()返回的xAttrs是否被移除(而非添加)。
iterator() - Method in class org.apache.hadoop.conf.配置
Get an Iterator to go through the list of String key-value pairs in the configuration.
iterator() - Method in enum org.apache.hadoop.fs.GlobalStorageStatistics
获取一个迭代器,可用于遍历所有全局存储统计对象。
iterator() - Method in class org.apache.hadoop.hdfs.server.namenode.FSTreeWalk
 
iterator() - Method in class org.apache.hadoop.hdfs.server.namenode.TreeWalk
 
iterator() - Method in class org.apache.hadoop.io.EnumSetWritable
 
iterator() - Method in class org.apache.hadoop.mapred.Counters.Group
 
iterator() - Method in class org.apache.hadoop.mapreduce.counters.AbstractCounters
 
iterator() - Method in class org.apache.hadoop.mapreduce.lib.join.TupleWritable
返回一个遍历此元组中元素的迭代器。

J

JAVA_VENDOR - Static variable in class org.apache.hadoop.fs.azurebfs.constants.AbfsHttpConstants
 
JAVA_VERSION - Static variable in class org.apache.hadoop.fs.azurebfs.constants.AbfsHttpConstants
 
JavaSerialization - Class in org.apache.hadoop.io.serializer
An experimental Serialization for Java Serializable classes.
JavaSerialization() - Constructor for class org.apache.hadoop.io.serializer.JavaSerialization
 
JavaSerializationComparator<T extends Serializable & Comparable<T>> - Class in org.apache.hadoop.io.serializer
A RawComparator that uses a JavaSerialization Deserializer to deserialize objects that are then compared via their Comparable interfaces.
JavaSerializationComparator() - Constructor for class org.apache.hadoop.io.serializer.JavaSerializationComparator
 
jc - Variable in class org.apache.hadoop.mapred.join.CompositeRecordReader
 
jc - Variable in class org.apache.hadoop.mapred.lib.CombineFileRecordReader
 
jc - Variable in class org.apache.hadoop.mapreduce.lib.join.CompositeRecordReader
 
JCEKS_KEY_SERIAL_FILTER - Static variable in class org.apache.hadoop.crypto.key.KeyProvider
 
JCEKS_KEY_SERIALFILTER_DEFAULT - Static variable in class org.apache.hadoop.crypto.key.KeyProvider
 
JDK_FALLBACK - Static variable in class org.apache.hadoop.fs.azurebfs.constants.AbfsHttpConstants
 
JDK_IMPL - Static variable in class org.apache.hadoop.fs.azurebfs.constants.AbfsHttpConstants
 
JettyUtils - Class in org.apache.hadoop.http
包含与Jetty相关的实用方法和常量。
JMX_NAN_FILTER - Static variable in class org.apache.hadoop.fs.CommonConfigurationKeysPublic
 
JMX_NAN_FILTER_DEFAULT - Static variable in class org.apache.hadoop.fs.CommonConfigurationKeysPublic
 
作业 - Class in org.apache.hadoop.mapred.jobcontrol
 
Job(JobConf, ArrayList) - Constructor for class org.apache.hadoop.mapred.jobcontrol.Job
构建一个作业。
Job(JobConf) - Constructor for class org.apache.hadoop.mapred.jobcontrol.Job
 
作业 - Class in org.apache.hadoop.mapreduce
作业提交者对作业的视图。
Job() - Constructor for class org.apache.hadoop.mapreduce.Job
Deprecated.
Job(Configuration) - Constructor for class org.apache.hadoop.mapreduce.Job
Job(Configuration, String) - Constructor for class org.apache.hadoop.mapreduce.Job
JOB - Static variable in class org.apache.hadoop.mapreduce.JobID
 
JOB_ATTEMPT_DIR_FORMAT_STR - Static variable in class org.apache.hadoop.mapreduce.lib.output.committer.manifest.ManifestCommitterConstants
用于构建作业尝试目录的格式字符串。
JOB_COMMITTER - Static variable in class org.apache.hadoop.mapreduce.lib.output.committer.manifest.ManifestCommitter
角色:作业提交者。
JOB_DIR_FORMAT_STR - Static variable in class org.apache.hadoop.mapreduce.lib.output.committer.manifest.ManifestCommitterConstants
用于构建作业目录的格式字符串。
JOB_ID_PREFIX - Static variable in class org.apache.hadoop.fs.s3a.commit.CommitConstants
 
JOB_ID_SOURCE_MAPREDUCE - Static variable in class org.apache.hadoop.mapreduce.lib.output.committer.manifest.ManifestCommitterConstants
用作作业ID来源的字符串。
JOB_TASK_ATTEMPT_SUBDIR - Static variable in class org.apache.hadoop.mapreduce.lib.output.committer.manifest.ManifestCommitterConstants
任务尝试目录在作业尝试目录下的名称。
JOB_TASK_MANIFEST_SUBDIR - Static variable in class org.apache.hadoop.mapreduce.lib.output.committer.manifest.ManifestCommitterConstants
作业尝试目录下用于清单的目录名称。
JOB_TOKEN_HDFS_FILE - Static variable in class org.apache.hadoop.mapreduce.security.TokenCache
在HDFS上用于生成作业令牌的文件名
JOB_TOKENS_FILENAME - Static variable in class org.apache.hadoop.mapreduce.security.TokenCache
作业令牌缓存文件名的配置设置
JobClient - Class in org.apache.hadoop.mapred
JobClient is the primary interface for the user-job to interact with the cluster.
JobClient() - Constructor for class org.apache.hadoop.mapred.JobClient
创建一个作业客户端。
JobClient(JobConf) - Constructor for class org.apache.hadoop.mapred.JobClient
Build a job client with the given JobConf, and connect to the default cluster
JobClient(Configuration) - Constructor for class org.apache.hadoop.mapred.JobClient
Build a job client with the given Configuration, and connect to the default cluster
JobClient(InetSocketAddress, Configuration) - Constructor for class org.apache.hadoop.mapred.JobClient
构建一个作业客户端,连接到指定的作业跟踪器。
JobConf - Class in org.apache.hadoop.mapred
一个map/reduce作业配置。
JobConf() - Constructor for class org.apache.hadoop.mapred.JobConf
构建一个map/reduce作业配置。
JobConf(Class) - Constructor for class org.apache.hadoop.mapred.JobConf
构建一个map/reduce作业配置。
JobConf(Configuration) - Constructor for class org.apache.hadoop.mapred.JobConf
构建一个map/reduce作业配置。
JobConf(Configuration, Class) - Constructor for class org.apache.hadoop.mapred.JobConf
构建一个map/reduce作业配置。
JobConf(String) - Constructor for class org.apache.hadoop.mapred.JobConf
构建一个map/reduce配置。
JobConf(Path) - Constructor for class org.apache.hadoop.mapred.JobConf
构建一个map/reduce配置。
JobConf(boolean) - Constructor for class org.apache.hadoop.mapred.JobConf
一个新的map/reduce配置,可以关闭从默认资源读取的行为。
JobConfigurable - Interface in org.apache.hadoop.mapred
可以配置的内容。
JobContext - Interface in org.apache.hadoop.mapred
 
JobContext - Interface in org.apache.hadoop.mapreduce
一个只读的作业视图,在任务运行时提供给各个任务使用。
JobControl - Class in org.apache.hadoop.mapred.jobcontrol
 
JobControl(String) - Constructor for class org.apache.hadoop.mapred.jobcontrol.JobControl
为一组作业构建作业控制。
JobControl - Class in org.apache.hadoop.mapreduce.lib.jobcontrol
该类封装了一组MapReduce作业及其依赖关系。
JobControl(String) - Constructor for class org.apache.hadoop.mapreduce.lib.jobcontrol.JobControl
为一组作业构建作业控制。
JobCounter - Enum in org.apache.hadoop.mapreduce
 
任务ID - Class in org.apache.hadoop.mapred
JobID 代表该作业不可变且唯一的标识符。
JobID(String, int) - Constructor for class org.apache.hadoop.mapred.JobID
构建一个JobID对象
JobID() - Constructor for class org.apache.hadoop.mapred.JobID
 
任务ID - Class in org.apache.hadoop.mapreduce
JobID 代表作业的不可变且唯一标识符。
JobID(String, int) - Constructor for class org.apache.hadoop.mapreduce.JobID
构建一个JobID对象
JobID() - Constructor for class org.apache.hadoop.mapreduce.JobID
 
JOBID_REGEX - Static variable in class org.apache.hadoop.mapreduce.JobID
 
jobListCache - Variable in class org.apache.hadoop.mapreduce.v2.hs.HistoryFileManager
 
JobPriority - Enum in org.apache.hadoop.mapred
用于描述运行作业的优先级。
JobPriority - Enum in org.apache.hadoop.mapreduce
用于描述运行中作业的优先级。
JobQueueInfo - Class in org.apache.hadoop.mapred
包含由Hadoop Map/Reduce框架维护的作业队列相关信息的类。
JobQueueInfo() - Constructor for class org.apache.hadoop.mapred.JobQueueInfo
Job Queue Info的默认构造函数。
JobQueueInfo(String, String) - Constructor for class org.apache.hadoop.mapred.JobQueueInfo
使用队列名称和传入的调度信息构造一个新的JobQueueInfo对象。
JobStatus - Class in org.apache.hadoop.mapred
描述作业的当前状态。
JobStatus() - Constructor for class org.apache.hadoop.mapred.JobStatus
 
JobStatus(JobID, float, float, float, int) - Constructor for class org.apache.hadoop.mapred.JobStatus
Deprecated.
JobStatus(JobID, float, float, int) - Constructor for class org.apache.hadoop.mapred.JobStatus
Deprecated.
JobStatus(JobID, float, float, float, int, JobPriority) - Constructor for class org.apache.hadoop.mapred.JobStatus
Deprecated.
JobStatus(JobID, float, float, float, float, int, JobPriority) - Constructor for class org.apache.hadoop.mapred.JobStatus
Deprecated.
JobStatus(JobID, float, float, float, int, String, String, String, String) - Constructor for class org.apache.hadoop.mapred.JobStatus
为给定的jobid创建一个作业状态对象。
JobStatus(JobID, float, float, int, String, String, String, String) - Constructor for class org.apache.hadoop.mapred.JobStatus
为给定的jobid创建一个作业状态对象。
JobStatus(JobID, float, float, float, int, JobPriority, String, String, String, String) - Constructor for class org.apache.hadoop.mapred.JobStatus
为给定的jobid创建一个作业状态对象。
JobStatus(JobID, float, float, float, float, int, JobPriority, String, String, String, String) - Constructor for class org.apache.hadoop.mapred.JobStatus
为给定的jobid创建一个作业状态对象。
JobStatus(JobID, float, float, float, float, int, JobPriority, String, String, String, String, boolean) - Constructor for class org.apache.hadoop.mapred.JobStatus
为给定的jobid创建一个作业状态对象。
JobStatus(JobID, float, float, float, float, int, JobPriority, String, String, String, String, boolean, String) - Constructor for class org.apache.hadoop.mapred.JobStatus
为给定的jobid创建一个作业状态对象。
JobStatus(JobID, float, float, float, float, int, JobPriority, String, String, String, String, String) - Constructor for class org.apache.hadoop.mapred.JobStatus
为给定的jobid创建一个作业状态对象。
JobStatus(JobID, float, float, float, float, int, JobPriority, String, String, String, String, String, boolean) - Constructor for class org.apache.hadoop.mapred.JobStatus
为给定的jobid创建一个作业状态对象。
JobStatus(JobID, float, float, float, float, int, JobPriority, String, String, String, String, String, boolean, String) - Constructor for class org.apache.hadoop.mapred.JobStatus
为给定的jobid创建一个作业状态对象。
JobStatus - Class in org.apache.hadoop.mapreduce
描述作业的当前状态。
JobStatus() - Constructor for class org.apache.hadoop.mapreduce.JobStatus
 
JobStatus(JobID, float, float, float, float, JobStatus.State, JobPriority, String, String, String, String) - Constructor for class org.apache.hadoop.mapreduce.JobStatus
为给定的jobid创建一个作业状态对象。
JobStatus(JobID, float, float, float, float, JobStatus.State, JobPriority, String, String, String, String, String) - Constructor for class org.apache.hadoop.mapreduce.JobStatus
为给定的jobid创建一个作业状态对象。
JobStatus(JobID, float, float, float, float, JobStatus.State, JobPriority, String, String, String, String, String, boolean) - Constructor for class org.apache.hadoop.mapreduce.JobStatus
为给定的jobid创建一个作业状态对象。
JobStatus(JobID, float, float, float, float, JobStatus.State, JobPriority, String, String, String, String, String, boolean, String) - Constructor for class org.apache.hadoop.mapreduce.JobStatus
为给定的jobid创建一个作业状态对象。
jobsToComplete() - Method in class org.apache.hadoop.mapred.JobClient
获取未完成且未失败的任务。
jobSubmit(JobConf) - Static method in class org.apache.hadoop.mapred.pipes.Submitter
向Map-Reduce框架提交一个作业。
join() - Method in class org.apache.hadoop.ipc.Server
等待服务器停止。
JOIN_COMPARATOR - Static variable in class org.apache.hadoop.mapreduce.lib.join.CompositeInputFormat
 
JOIN_EXPR - Static variable in class org.apache.hadoop.mapreduce.lib.join.CompositeInputFormat
 
joinMap(Map, String, String, String) - Static method in class org.apache.hadoop.mapreduce.lib.output.committer.manifest.files.ManifestSuccessData
将任意字符串到值的映射连接成一个字符串,首先对键进行排序。
JoinRecordReader<K extends WritableComparable> - Class in org.apache.hadoop.mapred.join
用于返回任意Writable元组的复合连接基类。
JoinRecordReader(int, JobConf, int, Class) - Constructor for class org.apache.hadoop.mapred.join.JoinRecordReader
 
JoinRecordReader<K extends WritableComparable<?>> - Class in org.apache.hadoop.mapreduce.lib.join
返回任意Writable元组的复合连接基类。
JoinRecordReader(int, Configuration, int, Class) - Constructor for class org.apache.hadoop.mapreduce.lib.join.JoinRecordReader
 
JournalNodeMXBean - Interface in org.apache.hadoop.hdfs.qjournal.server
这是用于JournalNode信息的JMX管理界面
JVM_ADD_OPENS_VAR - Static variable in interface org.apache.hadoop.yarn.api.ApplicationConstants
JDK17的add-opens变通方案的环境变量。

K

KafkaSink - Class in org.apache.hadoop.metrics2.sink
一个将指标写入Kafka代理的指标接收器。
KafkaSink() - Constructor for class org.apache.hadoop.metrics2.sink.KafkaSink
 
KEEP_ALIVE_CACHE_CLOSED - Static variable in class org.apache.hadoop.fs.azurebfs.constants.AbfsHttpConstants
 
KEEPALIVE_TIME - Static variable in class org.apache.hadoop.fs.s3a.常量
空闲线程在终止前的等待时间:"fs.s3a.threads.keepalivetime"。
KerberosAuthException - Exception in org.apache.hadoop.security
Thrown when UserGroupInformation failed with an unrecoverable error, such as failure in kerberos login/logout, invalid subject etc.
KerberosAuthException(String) - Constructor for exception org.apache.hadoop.security.KerberosAuthException
 
KerberosAuthException(Throwable) - Constructor for exception org.apache.hadoop.security.KerberosAuthException
 
KerberosAuthException(String, Throwable) - Constructor for exception org.apache.hadoop.security.KerberosAuthException
 
KerberosDelegationTokenAuthenticator - Class in org.apache.hadoop.security.token.delegation.web
The KerberosDelegationTokenAuthenticator provides support for Kerberos SPNEGO authentication mechanism and support for Hadoop Delegation Token operations.
KerberosDelegationTokenAuthenticator() - Constructor for class org.apache.hadoop.security.token.delegation.web.KerberosDelegationTokenAuthenticator
 
KerberosPrincipal - Class in org.apache.hadoop.yarn.service.api.records
服务的Kerberos主体。
KerberosPrincipal() - Constructor for class org.apache.hadoop.yarn.service.api.records.KerberosPrincipal
 
kerberosPrincipal(KerberosPrincipal) - Method in class org.apache.hadoop.yarn.service.api.records.Service
 
key() - Method in interface org.apache.hadoop.mapred.join.ComposableRecordReader
返回该RecordReader在调用next(K,V)时会提供的键
key(K) - Method in interface org.apache.hadoop.mapred.join.ComposableRecordReader
将当前RecordReader头部记录的键克隆到提供的对象中。
key() - Method in class org.apache.hadoop.mapred.join.CompositeRecordReader
返回当前连接键或RecordReader堆顶的值。
key(K) - Method in class org.apache.hadoop.mapred.join.CompositeRecordReader
将当前RR顶部的键克隆到指定对象中。
key() - Method in class org.apache.hadoop.mapred.join.WrappedRecordReader
返回此RR头部的键。
key(K) - Method in class org.apache.hadoop.mapred.join.WrappedRecordReader
将位于该RR头部的密钥克隆到提供的对象中。
key - Variable in class org.apache.hadoop.mapreduce.lib.join.CompositeRecordReader
 
key() - Method in class org.apache.hadoop.mapreduce.lib.join.CompositeRecordReader
返回当前连接键或RecordReader堆顶的值。
key(K) - Method in class org.apache.hadoop.mapreduce.lib.join.CompositeRecordReader
将当前RR顶部的键克隆到指定对象中。
key() - Method in class org.apache.hadoop.mapreduce.lib.join.WrappedRecordReader
返回此RR头部的键。
key(K) - Method in class org.apache.hadoop.mapreduce.lib.join.WrappedRecordReader
将位于该RR头部的密钥克隆到提供的对象中。
KEY_AZURE_AUTHORIZATION - Static variable in class org.apache.hadoop.fs.azure.NativeAzureFileSystem
在WASB中启用授权支持的配置键。
KEY_CLASS - Static variable in class org.apache.hadoop.mapreduce.lib.output.SequenceFileAsBinaryOutputFormat
 
KEY_DNS_BIND_ADDRESS - Static variable in interface org.apache.hadoop.registry.client.api.RegistryConstants
DNS绑定地址。
KEY_DNS_DOMAIN - Static variable in interface org.apache.hadoop.registry.client.api.RegistryConstants
DNS域名键。
KEY_DNS_ENABLED - Static variable in interface org.apache.hadoop.registry.client.api.RegistryConstants
标志,指示是否应在RM中启用注册表:"hadoop.registry.dns.enabled"。
KEY_DNS_PORT - Static variable in interface org.apache.hadoop.registry.client.api.RegistryConstants
DNS端口号键。
KEY_DNS_SPLIT_REVERSE_ZONE - Static variable in interface org.apache.hadoop.registry.client.api.RegistryConstants
分割反向区域。
KEY_DNS_SPLIT_REVERSE_ZONE_RANGE - Static variable in interface org.apache.hadoop.registry.client.api.RegistryConstants
分割反向区域IP范围。
KEY_DNS_TTL - Static variable in interface org.apache.hadoop.registry.client.api.RegistryConstants
DNS记录TTL。
KEY_DNS_ZONE_IP_MAX - Static variable in interface org.apache.hadoop.registry.client.api.RegistryConstants
区域子网IP上限
KEY_DNS_ZONE_IP_MIN - Static variable in interface org.apache.hadoop.registry.client.api.RegistryConstants
区域子网最小IP
KEY_DNS_ZONE_MASK - Static variable in interface org.apache.hadoop.registry.client.api.RegistryConstants
区域子网掩码。
KEY_DNS_ZONE_SUBNET - Static variable in interface org.apache.hadoop.registry.client.api.RegistryConstants
区域子网。
KEY_DNS_ZONES_DIR - Static variable in interface org.apache.hadoop.registry.client.api.RegistryConstants
DNS记录TTL。
KEY_DNSSEC_ENABLED - Static variable in interface org.apache.hadoop.registry.client.api.RegistryConstants
是否启用了DNSSEC?
KEY_DNSSEC_PRIVATE_KEY_FILE - Static variable in interface org.apache.hadoop.registry.client.api.RegistryConstants
DNSSEC私钥文件。
KEY_DNSSEC_PUBLIC_KEY - Static variable in interface org.apache.hadoop.registry.client.api.RegistryConstants
是否启用了DNSSEC?
KEY_GROUP - Static variable in class org.apache.hadoop.fs.s3a.audit.S3LogParser
记录"key"分组。
KEY_PROVIDER_PATH - Static variable in class org.apache.hadoop.crypto.key.KeyProviderFactory
 
KEY_REGISTRY_CLIENT_AUTH - Static variable in interface org.apache.hadoop.registry.client.api.RegistryConstants
注册客户端认证策略。
KEY_REGISTRY_CLIENT_AUTHENTICATION_ID - Static variable in interface org.apache.hadoop.registry.client.api.RegistryConstants
注册客户端认证ID。
KEY_REGISTRY_CLIENT_AUTHENTICATION_PASSWORD - Static variable in interface org.apache.hadoop.registry.client.api.RegistryConstants
注册客户端认证密码。
KEY_REGISTRY_CLIENT_JAAS_CONTEXT - Static variable in interface org.apache.hadoop.registry.client.api.RegistryConstants
定义JAAS上下文的关键键。
KEY_REGISTRY_KERBEROS_REALM - Static variable in interface org.apache.hadoop.registry.client.api.RegistryConstants
Kerberos领域:"hadoop.registry.kerberos.realm"。
KEY_REGISTRY_SECURE - Static variable in interface org.apache.hadoop.registry.client.api.RegistryConstants
设置注册表是否安全的关键参数:"hadoop.registry.secure"。
KEY_REGISTRY_SYSTEM_ACCOUNTS - Static variable in interface org.apache.hadoop.registry.client.api.RegistryConstants
在安全集群中,具有系统访问权限的Zookeeper ACL标识符的逗号分隔列表:"hadoop.registry.system.accounts"。
KEY_REGISTRY_USER_ACCOUNTS - Static variable in interface org.apache.hadoop.registry.client.api.RegistryConstants
在安全集群中,具有系统访问权限的Zookeeper ACL标识符的逗号分隔列表:"hadoop.registry.user.accounts"。
KEY_REGISTRY_ZK_CONNECTION_TIMEOUT - Static variable in interface org.apache.hadoop.registry.client.api.RegistryConstants
Zookeeper连接超时时间(毫秒): "hadoop.registry.zk.connection.timeout.ms".
KEY_REGISTRY_ZK_QUORUM - Static variable in interface org.apache.hadoop.registry.client.api.RegistryConstants
定义注册表"hadoop.registry.zk.quorum"的zookeeper仲裁绑定的主机名:端口对列表。
KEY_REGISTRY_ZK_RETRY_CEILING - Static variable in interface org.apache.hadoop.registry.client.api.RegistryConstants
Zookeeper在指数退避期间的重试时间上限(毫秒): "hadoop.registry.zk.retry.ceiling.ms"。
KEY_REGISTRY_ZK_RETRY_INTERVAL - Static variable in interface org.apache.hadoop.registry.client.api.RegistryConstants
Zookeeper连接间隔(毫秒): "hadoop.registry.zk.retry.interval.ms".
KEY_REGISTRY_ZK_RETRY_TIMES - Static variable in interface org.apache.hadoop.registry.client.api.RegistryConstants
Zookeeper连接失败前的重试次数:"hadoop.registry.zk.retry.times"。
KEY_REGISTRY_ZK_ROOT - Static variable in interface org.apache.hadoop.registry.client.api.RegistryConstants
注册表在ZK树中的根路径:"hadoop.registry.zk.root"。
KEY_REGISTRY_ZK_SESSION_TIMEOUT - Static variable in interface org.apache.hadoop.registry.client.api.RegistryConstants
Zookeeper会话超时时间(毫秒): "hadoop.registry.zk.session.timeout.ms".
KEY_VALUE_SEPARATOR - Static variable in class org.apache.hadoop.mapreduce.lib.input.KeyValueLineRecordReader
 
KEY_VALUE_SEPERATOR - Static variable in class org.apache.hadoop.mapreduce.lib.input.KeyValueLineRecordReader
keyclass - Variable in class org.apache.hadoop.mapreduce.lib.join.CompositeRecordReader
 
keyClassNames - Variable in class org.apache.hadoop.mapred.nativetask.Platform
 
KeyFieldBasedComparator<K,V> - Class in org.apache.hadoop.mapred.lib
该比较器实现提供了Unix/GNU Sort所提供功能的子集。
KeyFieldBasedComparator() - Constructor for class org.apache.hadoop.mapred.lib.KeyFieldBasedComparator
 
KeyFieldBasedComparator<K,V> - Class in org.apache.hadoop.mapreduce.lib.partition
该比较器实现提供了Unix/GNU Sort所提供功能的子集。
KeyFieldBasedComparator() - Constructor for class org.apache.hadoop.mapreduce.lib.partition.KeyFieldBasedComparator
 
KeyFieldBasedPartitioner<K2,V2> - Class in org.apache.hadoop.mapred.lib
Defines a way to partition keys based on certain key fields (also see KeyFieldBasedComparator.
KeyFieldBasedPartitioner() - Constructor for class org.apache.hadoop.mapred.lib.KeyFieldBasedPartitioner
 
KeyFieldBasedPartitioner<K2,V2> - Class in org.apache.hadoop.mapreduce.lib.partition
Defines a way to partition keys based on certain key fields (also see KeyFieldBasedComparator.
KeyFieldBasedPartitioner() - Constructor for class org.apache.hadoop.mapreduce.lib.partition.KeyFieldBasedPartitioner
 
KeyProvider - Class in org.apache.hadoop.crypto.key
为Hadoop应用程序提供密钥材料的供应商。
KeyProvider(Configuration) - Constructor for class org.apache.hadoop.crypto.key.KeyProvider
构造函数。
KeyProviderFactory - Class in org.apache.hadoop.crypto.key
一个工厂,用于根据配置中给定的路径创建KeyProvider列表。
KeyProviderFactory() - Constructor for class org.apache.hadoop.crypto.key.KeyProviderFactory
 
keySet() - Method in class org.apache.hadoop.io.MapWritable
 
keySet() - Method in class org.apache.hadoop.io.SortedMapWritable
 
KEYSTORE_FILE_LOCATION_ENV_NAME - Static variable in interface org.apache.hadoop.yarn.api.ApplicationConstants
写入包含AM证书的密钥库的文件。
KEYSTORE_PASSWORD_ENV_NAME - Static variable in interface org.apache.hadoop.yarn.api.ApplicationConstants
AM密钥库的密码。
keytab(String) - Method in class org.apache.hadoop.yarn.service.api.records.KerberosPrincipal
 
KeyValueLineRecordReader - Class in org.apache.hadoop.mapred
该类将输入中的一行视为由分隔符分隔的键/值对。
KeyValueLineRecordReader(Configuration, FileSplit) - Constructor for class org.apache.hadoop.mapred.KeyValueLineRecordReader
 
KeyValueLineRecordReader - Class in org.apache.hadoop.mapreduce.lib.input
该类将输入中的一行视为由分隔符分隔的键/值对。
KeyValueLineRecordReader(Configuration) - Constructor for class org.apache.hadoop.mapreduce.lib.input.KeyValueLineRecordReader
 
KeyValueTextInputFormat - Class in org.apache.hadoop.mapred
An InputFormat for plain text files.
KeyValueTextInputFormat() - Constructor for class org.apache.hadoop.mapred.KeyValueTextInputFormat
 
KeyValueTextInputFormat - Class in org.apache.hadoop.mapreduce.lib.input
An InputFormat for plain text files.
KeyValueTextInputFormat() - Constructor for class org.apache.hadoop.mapreduce.lib.input.KeyValueTextInputFormat
 
kids - Variable in class org.apache.hadoop.mapred.join.CompositeRecordReader
 
kids - Variable in class org.apache.hadoop.mapreduce.lib.join.CompositeRecordReader
 
killApplication(ApplicationId) - Method in class org.apache.hadoop.yarn.client.api.YarnClient
终止由给定ID标识的应用程序。
killApplication(ApplicationId, String) - Method in class org.apache.hadoop.yarn.client.api.YarnClient
终止由给定ID标识的应用程序。
KillApplicationRequest - Class in org.apache.hadoop.yarn.api.protocolrecords
The request sent by the client to the ResourceManager to abort a submitted application.
KillApplicationRequest() - Constructor for class org.apache.hadoop.yarn.api.protocolrecords.KillApplicationRequest
 
KillApplicationResponse - Class in org.apache.hadoop.yarn.api.protocolrecords
The response sent by the ResourceManager to the client aborting a submitted application.
KillApplicationResponse() - Constructor for class org.apache.hadoop.yarn.api.protocolrecords.KillApplicationResponse
 
KILLED - Static variable in class org.apache.hadoop.mapred.JobStatus
 
KILLED_AFTER_APP_COMPLETION - Static variable in class org.apache.hadoop.yarn.api.records.ContainerExitStatus
应用程序完成后,容器被终止。
KILLED_BY_APPMASTER - Static variable in class org.apache.hadoop.yarn.api.records.ContainerExitStatus
容器被应用主节点(app master)的停止请求终止。
KILLED_BY_CONTAINER_SCHEDULER - Static variable in class org.apache.hadoop.yarn.api.records.ContainerExitStatus
容器被ContainerScheduler终止,以便为另一个容器腾出空间...
KILLED_BY_RESOURCEMANAGER - Static variable in class org.apache.hadoop.yarn.api.records.ContainerExitStatus
容器被资源管理器终止。
KILLED_EXCEEDED_PMEM - Static variable in class org.apache.hadoop.yarn.api.records.ContainerExitStatus
容器因超出分配的物理内存而被终止。
KILLED_EXCEEDED_VMEM - Static variable in class org.apache.hadoop.yarn.api.records.ContainerExitStatus
容器因超出分配的虚拟内存而被终止。
KILLED_FOR_EXCESS_LOGS - Static variable in class org.apache.hadoop.yarn.api.records.ContainerExitStatus
容器因生成过多日志数据而被终止。
killJob() - Method in interface org.apache.hadoop.mapred.RunningJob
终止正在运行的作业。
killJob() - Method in class org.apache.hadoop.mapreduce.Job
终止正在运行的作业。
killJob() - Method in class org.apache.hadoop.mapreduce.lib.jobcontrol.ControlledJob
 
killTask(TaskAttemptID, boolean) - Method in interface org.apache.hadoop.mapred.RunningJob
终止指定的任务尝试。
killTask(String, boolean) - Method in interface org.apache.hadoop.mapred.RunningJob
Deprecated.
Applications should rather use RunningJob.killTask(TaskAttemptID, boolean)
killTask(TaskAttemptID) - Method in class org.apache.hadoop.mapreduce.Job
终止指定的任务尝试。
KIND - Static variable in class org.apache.hadoop.yarn.security.ContainerTokenIdentifier
 
KIND - Static variable in class org.apache.hadoop.yarn.security.NMTokenIdentifier
 
KIND_NAME - Static variable in class org.apache.hadoop.yarn.security.AMRMTokenIdentifier
 
KIND_NAME - Static variable in class org.apache.hadoop.yarn.security.client.ClientToAMTokenIdentifier
 
KIND_NAME - Static variable in class org.apache.hadoop.yarn.security.client.RMDelegationTokenIdentifier
 
KIND_NAME - Static variable in class org.apache.hadoop.yarn.security.client.TimelineDelegationTokenIdentifier
 
KMS_CLIENT_ENC_KEY_CACHE_EXPIRY_DEFAULT - Static variable in class org.apache.hadoop.fs.CommonConfigurationKeysPublic
KMS_CLIENT_ENC_KEY_CACHE_EXPIRY的默认值(12小时)
KMS_CLIENT_ENC_KEY_CACHE_EXPIRY_MS - Static variable in class org.apache.hadoop.fs.CommonConfigurationKeysPublic
 
KMS_CLIENT_ENC_KEY_CACHE_LOW_WATERMARK - Static variable in class org.apache.hadoop.fs.CommonConfigurationKeysPublic
 
KMS_CLIENT_ENC_KEY_CACHE_LOW_WATERMARK_DEFAULT - Static variable in class org.apache.hadoop.fs.CommonConfigurationKeysPublic
KMS_CLIENT_ENC_KEY_CACHE_LOW_WATERMARK的默认值
KMS_CLIENT_ENC_KEY_CACHE_NUM_REFILL_THREADS - Static variable in class org.apache.hadoop.fs.CommonConfigurationKeysPublic
 
KMS_CLIENT_ENC_KEY_CACHE_NUM_REFILL_THREADS_DEFAULT - Static variable in class org.apache.hadoop.fs.CommonConfigurationKeysPublic
KMS_CLIENT_ENC_KEY_NUM_REFILL_THREADS的默认值
KMS_CLIENT_ENC_KEY_CACHE_SIZE - Static variable in class org.apache.hadoop.fs.CommonConfigurationKeysPublic
 
KMS_CLIENT_ENC_KEY_CACHE_SIZE_DEFAULT - Static variable in class org.apache.hadoop.fs.CommonConfigurationKeysPublic
KMS_CLIENT_ENC_KEY_CACHE_SIZE的默认值
KMS_CLIENT_FAILOVER_MAX_RETRIES_KEY - Static variable in class org.apache.hadoop.fs.CommonConfigurationKeysPublic
默认值为指定的提供者数量。
KMS_CLIENT_FAILOVER_SLEEP_BASE_MILLIS_DEFAULT - Static variable in class org.apache.hadoop.fs.CommonConfigurationKeysPublic
默认值为100毫秒。
KMS_CLIENT_FAILOVER_SLEEP_BASE_MILLIS_KEY - Static variable in class org.apache.hadoop.fs.CommonConfigurationKeysPublic
 
KMS_CLIENT_FAILOVER_SLEEP_MAX_MILLIS_DEFAULT - Static variable in class org.apache.hadoop.fs.CommonConfigurationKeysPublic
默认值为2秒。
KMS_CLIENT_FAILOVER_SLEEP_MAX_MILLIS_KEY - Static variable in class org.apache.hadoop.fs.CommonConfigurationKeysPublic
 
KMS_CLIENT_TIMEOUT_DEFAULT - Static variable in class org.apache.hadoop.fs.CommonConfigurationKeysPublic
 
KMS_CLIENT_TIMEOUT_SECONDS - Static variable in class org.apache.hadoop.fs.CommonConfigurationKeysPublic
 

L

LAST_MODIFIED - Static variable in class org.apache.hadoop.fs.azurebfs.constants.HttpHeaderConfigurations
 
lastId() - Method in class org.apache.hadoop.hdfs.server.namenode.BlockResolver
 
lastId() - Method in class org.apache.hadoop.hdfs.server.namenode.FixedBlockResolver
 
lastKey() - Method in class org.apache.hadoop.io.SortedMapWritable
 
lastStat() - Method in class org.apache.hadoop.metrics2.lib.MutableStat
返回一个支持调用标准差(StdDev)和均值(Mean)等方法的SampleStat对象。
LaunchableService - Interface in org.apache.hadoop.service.launcher
一个服务可以实现的接口,用于让ServiceLauncher管理其执行。
launchCommand(String) - Method in class org.apache.hadoop.yarn.service.api.records.组件
该组件的自定义启动命令(可选)。
launchedContainers - Variable in class org.apache.hadoop.yarn.applications.distributedshell.ApplicationMaster
 
启动器退出代码 - Interface in org.apache.hadoop.service.launcher
常见退出代码。
launchTime(Date) - Method in class org.apache.hadoop.yarn.service.api.records.Container
容器创建的时间,例如
launchTime(Date) - Method in class org.apache.hadoop.yarn.service.api.records.Service
服务创建的时间,例如
LazyOutputFormat<K,V> - Class in org.apache.hadoop.mapred.lib
一个便捷类,用于延迟创建输出。
LazyOutputFormat() - Constructor for class org.apache.hadoop.mapred.lib.LazyOutputFormat
 
LazyOutputFormat<K,V> - Class in org.apache.hadoop.mapreduce.lib.output
一个便捷类,用于延迟创建输出。
LazyOutputFormat() - Constructor for class org.apache.hadoop.mapreduce.lib.output.LazyOutputFormat
 
LEFT_OFFSET_PROPERTY_NAME - Static variable in class org.apache.hadoop.mapreduce.lib.partition.BinaryPartitioner
 
length() - Method in class org.apache.hadoop.fs.AvroFSInput
 
length() - Method in class org.apache.hadoop.yarn.util.BoundedAppender
获取当前消息长度(考虑截断情况,不包括头部和省略号部分)。
LEVELDB_CONFIGURATION_STORE - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
LevelDBFileRegionAliasMap - Class in org.apache.hadoop.hdfs.server.common.blockaliasmap.impl
A LevelDB based implementation of BlockAliasMap.
LevelDBFileRegionAliasMap() - Constructor for class org.apache.hadoop.hdfs.server.common.blockaliasmap.impl.LevelDBFileRegionAliasMap
 
LifecycleEvent - Class in org.apache.hadoop.service
一个可序列化的生命周期事件:状态转换发生的时间,以及进入的状态。
LifecycleEvent() - Constructor for class org.apache.hadoop.service.LifecycleEvent
 
lifetime(Long) - Method in class org.apache.hadoop.yarn.service.api.records.Service
服务的生命周期(以秒为单位),从它进入RUNNING_BUT_UNREADY状态开始计算(之后会被YARN自动销毁)。
LIMIT_UNLIMITED - Static variable in class org.apache.hadoop.hdfs.protocol.CachePoolInfo
 
LINES_PER_MAP - Static variable in class org.apache.hadoop.mapreduce.lib.input.NLineInputFormat
 
LINK_COMMAND - Static variable in class org.apache.hadoop.util.Shell
用于创建链接的Unix命令:"ln"。
LINUX - Static variable in class org.apache.hadoop.util.Shell
 
LINUX_CONTAINER_RUNTIME_ALLOWED_RUNTIMES - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
使用LinuxContainerExecutor时允许的运行时列表,以逗号分隔。
LINUX_CONTAINER_RUNTIME_CLASS_FMT - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
LINUX_CONTAINER_RUNTIME_PREFIX - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
运行时配置常量的前缀。
LINUX_CONTAINER_RUNTIME_TYPE - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
默认使用的运行时。
list(File) - Static method in class org.apache.hadoop.fs.FileUtil
A wrapper for File.list().
list(Optional) - Method in class org.apache.hadoop.hdfs.server.aliasmap.InMemoryAliasMap
 
list(String) - Method in interface org.apache.hadoop.registry.client.api.RegistryOperations
列出注册表路径下的所有条目,返回这些条目的相对名称。
list(String) - Method in class org.apache.hadoop.registry.client.impl.zk.RegistryOperationsService
 
LIST_STATUS_NUM_THREADS - Static variable in class org.apache.hadoop.mapreduce.lib.input.FileInputFormat
 
LIST_VERSION - Static variable in class org.apache.hadoop.fs.s3a.常量
S3 API级别参数。
listCacheDirectives(CacheDirectiveInfo) - Method in class org.apache.hadoop.hdfs.client.HdfsAdmin
列出缓存指令。
listCachePools() - Method in class org.apache.hadoop.hdfs.client.HdfsAdmin
列出所有缓存池。
listCorruptFileBlocks(Path) - Method in class org.apache.hadoop.fs.AbstractFileSystem
 
listCorruptFileBlocks(Path) - Method in class org.apache.hadoop.fs.FileContext
列出损坏的文件块。
listCorruptFileBlocks(Path) - Method in class org.apache.hadoop.fs.FileSystem
列出损坏的文件块。
listCorruptFileBlocks(Path) - Method in class org.apache.hadoop.fs.FilterFileSystem
 
listDirectory(File, FilenameFilter) - Static method in class org.apache.hadoop.io.IOUtils
返回目录中所有文件的完整列表(以字符串形式)。
listEncryptionZones() - Method in class org.apache.hadoop.hdfs.client.HdfsAdmin
返回一个RemoteIterator(远程迭代器),可用于列出HDFS中的加密区域。
listFiles(Path, boolean) - Method in class org.apache.hadoop.fs.FileSystem
列出给定路径中文件的状态和块位置。
listFiles(File) - Static method in class org.apache.hadoop.fs.FileUtil
A wrapper for File.listFiles().
listLocatedStatus(Path) - Method in class org.apache.hadoop.fs.AbstractFileSystem
The specification of this method matches that of FileContext.listLocatedStatus(Path) except that Path f must be for this file system.
listLocatedStatus(Path) - Method in class org.apache.hadoop.fs.ChecksumFileSystem
如果给定路径是一个目录,则列出该路径下文件/目录的状态。
listLocatedStatus(Path) - Method in class org.apache.hadoop.fs.FileContext
如果给定路径是一个目录,则列出该路径下文件/目录的状态。
listLocatedStatus(Path) - Method in class org.apache.hadoop.fs.FileSystem
如果给定路径是一个目录,则列出该路径下文件/目录的状态。
listLocatedStatus(Path, PathFilter) - Method in class org.apache.hadoop.fs.FileSystem
列出目录。
listLocatedStatus(Path, PathFilter) - Method in class org.apache.hadoop.fs.FilterFileSystem
 
listLocatedStatus(Path) - Method in class org.apache.hadoop.fs.FilterFileSystem
列出目录中的文件及其块位置。
listLocatedStatus(Path, PathFilter) - Method in class org.apache.hadoop.fs.viewfs.ViewFileSystem
 
listLocatedStatus(Path) - Method in class org.apache.hadoop.fs.viewfs.ViewFs
 
listOpenFiles() - Method in class org.apache.hadoop.hdfs.client.HdfsAdmin
Deprecated.
listOpenFiles(EnumSet) - Method in class org.apache.hadoop.hdfs.client.HdfsAdmin
Deprecated.
listOpenFiles(EnumSet, String) - Method in class org.apache.hadoop.hdfs.client.HdfsAdmin
 
listPendingUploadsToCommit(CommitContext) - Method in class org.apache.hadoop.fs.s3a.commit.magic.MagicS3GuardCommitter
获取此作业尝试的待处理上传列表,方法是列出作业尝试目录中的所有.pendingset文件。
listReencryptionStatus() - Method in class org.apache.hadoop.hdfs.client.HdfsAdmin
返回一个RemoteIterator,可用于列出所有重新加密的信息。
listReservations(ReservationListRequest) - Method in interface org.apache.hadoop.yarn.api.ApplicationClientProtocol
客户端用于获取计划中预留列表的接口。
listReservations(ReservationListRequest) - Method in class org.apache.hadoop.yarn.client.api.YarnClient
客户端用于获取计划中预留列表的接口。
listServiceRecords(RegistryOperations, String) - Static method in class org.apache.hadoop.registry.client.binding.RegistryUtils
列出路径下的服务记录
listStatus(Path) - Method in class org.apache.hadoop.fs.AbstractFileSystem
The specification of this method matches that of FileContext.Util.listStatus(Path) except that Path f must be for this file system.
listStatus(Path) - Method in class org.apache.hadoop.fs.adl.AdlFileSystem
如果给定路径是一个目录,则列出该路径下文件/目录的状态。
listStatus(Path) - Method in class org.apache.hadoop.fs.azure.NativeAzureFileSystem
获取给定路径的状态(如果是文件),或获取目录下所有包含文件的状态(如果是目录)。
listStatus(Path, TracingContext) - Method in class org.apache.hadoop.fs.azurebfs.AzureBlobFileSystemStore
 
listStatus(Path, String, TracingContext) - Method in class org.apache.hadoop.fs.azurebfs.AzureBlobFileSystemStore
 
listStatus(Path, String, List, boolean, String, TracingContext) - Method in class org.apache.hadoop.fs.azurebfs.AzureBlobFileSystemStore
 
listStatus(Path) - Method in class org.apache.hadoop.fs.ChecksumFileSystem
如果给定路径是一个目录,则列出该路径下文件/目录的状态。
listStatus(Path) - Method in class org.apache.hadoop.fs.FileContext
如果给定路径是一个目录,则列出该路径下文件/目录的状态。
listStatus(Path) - Method in class org.apache.hadoop.fs.FileSystem
如果给定路径是一个目录,则列出该路径下文件/目录的状态。
listStatus(Path, PathFilter) - Method in class org.apache.hadoop.fs.FileSystem
使用用户提供的路径过滤器筛选给定路径中的文件/目录。
listStatus(Path[]) - Method in class org.apache.hadoop.fs.FileSystem
使用默认路径过滤器筛选给定路径列表中的文件/目录。
listStatus(Path[], PathFilter) - Method in class org.apache.hadoop.fs.FileSystem
使用用户提供的路径过滤器筛选给定路径列表中的文件/目录。
listStatus(Path) - Method in class org.apache.hadoop.fs.FilterFileSystem
列出目录中的文件。
listStatus(Path) - Method in class org.apache.hadoop.fs.ftp.FTPFileSystem
 
listStatus(Path) - Method in class org.apache.hadoop.fs.RawLocalFileSystem
如果给定路径是一个目录,则列出该路径下文件/目录的状态。
listStatus(Path) - Method in class org.apache.hadoop.fs.s3native.NativeS3FileSystem
Deprecated.
 
listStatus(Path) - Method in class org.apache.hadoop.fs.viewfs.ViewFileSystem
如果给定路径是一个目录,则列出该路径下文件/目录的状态。
listStatus(Path) - Method in class org.apache.hadoop.fs.viewfs.ViewFs
The specification of this method matches that of FileContext.Util.listStatus(Path) except that Path f must be for this file system.
listStatus(JobConf) - Method in class org.apache.hadoop.mapred.FileInputFormat
列出输入目录。
listStatus(JobConf) - Method in class org.apache.hadoop.mapred.lib.CombineFileInputFormat
列出输入目录。
listStatus(JobConf) - Method in class org.apache.hadoop.mapred.SequenceFileInputFormat
 
listStatus(JobContext) - Method in class org.apache.hadoop.mapreduce.lib.input.FileInputFormat
列出输入目录。
listStatus(JobContext) - Method in class org.apache.hadoop.mapreduce.lib.input.SequenceFileInputFormat
 
listStatusIterator(Path) - Method in class org.apache.hadoop.fs.AbstractFileSystem
The specification of this method matches that of FileContext.listStatus(Path) except that Path f must be for this file system.
listStatusIterator(Path) - Method in class org.apache.hadoop.fs.ChecksumFileSystem
 
listStatusIterator(Path) - Method in class org.apache.hadoop.fs.FileSystem
返回一个远程迭代器,以便在消费条目时按需进行后续调用。
listStatusIterator(Path) - Method in class org.apache.hadoop.fs.FilterFileSystem
返回用于列出目录中内容的远程迭代器
listStatusIterator(Path) - Method in class org.apache.hadoop.fs.viewfs.ViewFs
 
listXAttrs(Path) - Method in class org.apache.hadoop.fs.AbstractFileSystem
获取文件或目录的所有扩展属性名称。
listXAttrs(Path) - Method in class org.apache.hadoop.fs.FileContext
获取文件或目录的所有扩展属性名称。
listXAttrs(Path) - Method in class org.apache.hadoop.fs.FileSystem
获取文件或目录的所有扩展属性名称。
listXAttrs(Path) - Method in class org.apache.hadoop.fs.FilterFileSystem
 
listXAttrs(Path) - Method in class org.apache.hadoop.fs.viewfs.ViewFileSystem
 
listXAttrs(Path) - Method in class org.apache.hadoop.fs.viewfs.ViewFs
 
load(Configuration, String, Class) - Static method in class org.apache.hadoop.io.DefaultStringifier
从配置中恢复对象。
load(FileSystem, Path) - Static method in class org.apache.hadoop.mapreduce.lib.output.committer.manifest.files.ManifestSuccessData
从文件加载实例,然后进行验证。
LOAD_BASED_SC_SELECTOR_ENABLED - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
LOAD_BASED_SC_SELECTOR_FAIL_ON_ERROR - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
LOAD_BASED_SC_SELECTOR_MULTIPLIER - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
LOAD_BASED_SC_SELECTOR_PREFIX - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
LOAD_BASED_SC_SELECTOR_THRESHOLD - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
LOAD_BASED_SC_SELECTOR_USE_ACTIVE_CORE - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
loadAppJsonFromLocalFS(String, String, Long, String) - Method in class org.apache.hadoop.yarn.service.client.ServiceClient
 
loadArray(Configuration, String, Class) - Static method in class org.apache.hadoop.io.DefaultStringifier
从配置中恢复对象数组。
loadClass(Configuration, String) - Static method in class org.apache.hadoop.io.ObjectWritable
Find and load the class with given name className by first finding it in the specified conf.
loadClass(String) - Method in class org.apache.hadoop.util.ApplicationClassLoader
 
loadClass(String, boolean) - Method in class org.apache.hadoop.util.ApplicationClassLoader
 
loadPendingCommits(TaskAttemptContext) - Method in class org.apache.hadoop.fs.s3a.commit.magic.MagicS3GuardCommitter
根据配置从内存或远程存储(S3)加载待处理的提交。
LOCAL_FS_URI - Static variable in interface org.apache.hadoop.fs.FsConstants
 
LocalFileSystem - Class in org.apache.hadoop.fs
为校验本地文件系统实现FileSystem API。
LocalFileSystem() - Constructor for class org.apache.hadoop.fs.LocalFileSystem
 
LocalFileSystem(FileSystem) - Constructor for class org.apache.hadoop.fs.LocalFileSystem
 
LocalizationState - Enum in org.apache.hadoop.yarn.api.records
本地化状态。
LocalizationStatus - Class in org.apache.hadoop.yarn.api.records
表示资源的本地化状态。
LocalizationStatus() - Constructor for class org.apache.hadoop.yarn.api.records.LocalizationStatus
 
LocalizationStatus - Class in org.apache.hadoop.yarn.service.api.records
本地化的状态。
LocalizationStatus() - Constructor for class org.apache.hadoop.yarn.service.api.records.LocalizationStatus
 
localizationStatuses(List) - Method in class org.apache.hadoop.yarn.service.api.records.Container
设置本地化状态并返回容器。
localize(ResourceLocalizationRequest) - Method in interface org.apache.hadoop.yarn.api.ContainerManagementProtocol
本地化容器所需的资源。
localize(ContainerId, NodeId, Map) - Method in class org.apache.hadoop.yarn.client.api.NMClient
为容器本地化资源。
LocalResource - Class in org.apache.hadoop.yarn.api.records
LocalResource represents a local resource required to run a container.
LocalResource() - Constructor for class org.apache.hadoop.yarn.api.records.LocalResource
 
LocalResourceType - Enum in org.apache.hadoop.yarn.api.records
LocalResourceType specifies the type of a resource localized by the NodeManager.
LocalResourceVisibility - Enum in org.apache.hadoop.yarn.api.records
LocalResourceVisibility specifies the visibility of a resource localized by the NodeManager.
LocatedFileStatus - Class in org.apache.hadoop.fs
该类定义了一个包含文件块位置的FileStatus。
LocatedFileStatus() - Constructor for class org.apache.hadoop.fs.LocatedFileStatus
 
LocatedFileStatus(FileStatus, BlockLocation[]) - Constructor for class org.apache.hadoop.fs.LocatedFileStatus
构造函数
LocatedFileStatus(long, boolean, int, long, long, long, FsPermission, String, String, Path, Path, BlockLocation[]) - Constructor for class org.apache.hadoop.fs.LocatedFileStatus
Deprecated.
LocatedFileStatus(long, boolean, int, long, long, long, FsPermission, String, String, Path, Path, boolean, boolean, boolean, BlockLocation[]) - Constructor for class org.apache.hadoop.fs.LocatedFileStatus
构造函数。
LocatedFileStatus(long, boolean, int, long, long, long, FsPermission, String, String, Path, Path, Set, BlockLocation[]) - Constructor for class org.apache.hadoop.fs.LocatedFileStatus
构造函数。
日志 - Static variable in class org.apache.hadoop.fs.azure.NativeAzureFileSystem
 
日志 - Static variable in class org.apache.hadoop.fs.FileContext
 
日志 - Static variable in class org.apache.hadoop.fs.FileSystem
该日志在org.apache.hadoop.fs代码和测试中被广泛使用, 因此必须谨慎考虑是否对其进行更改。
日志 - Static variable in class org.apache.hadoop.fs.ftp.FTPFileSystem
 
日志 - Static variable in class org.apache.hadoop.fs.s3native.NativeS3FileSystem
Deprecated.
 
日志 - Static variable in class org.apache.hadoop.hdfs.client.HdfsUtils
 
日志 - Static variable in class org.apache.hadoop.hdfs.DFSInotifyEventInputStream
 
日志 - Static variable in class org.apache.hadoop.hdfs.server.common.blockaliasmap.impl.LevelDBFileRegionAliasMap
 
日志 - Static variable in class org.apache.hadoop.hdfs.server.common.blockaliasmap.impl.TextFileRegionAliasMap
 
日志 - Static variable in class org.apache.hadoop.hdfs.server.namenode.FSTreeWalk
 
日志 - Static variable in class org.apache.hadoop.io.compress.CompressionCodecFactory
 
日志 - Static variable in class org.apache.hadoop.io.IOUtils
 
日志 - Static variable in class org.apache.hadoop.ipc.Client
 
日志 - Static variable in class org.apache.hadoop.ipc.Server
 
log(Logger) - Method in class org.apache.hadoop.mapred.计数器
记录当前计数器的值。
日志 - Static variable in class org.apache.hadoop.mapred.FileInputFormat
 
日志 - Static variable in class org.apache.hadoop.mapred.FileOutputCommitter
 
日志 - Static variable in class org.apache.hadoop.mapred.lib.FieldSelectionMapReduce
 
日志 - Static variable in class org.apache.hadoop.mapred.pipes.Submitter
 
日志 - Static variable in class org.apache.hadoop.mapreduce.counters.AbstractCounters
 
日志 - Static variable in class org.apache.hadoop.mapreduce.lib.fieldsel.FieldSelectionMapper
 
日志 - Static variable in class org.apache.hadoop.mapreduce.lib.fieldsel.FieldSelectionReducer
 
日志 - Static variable in class org.apache.hadoop.mapreduce.lib.input.SequenceFileInputFilter
 
日志 - Static variable in class org.apache.hadoop.mapreduce.lib.output.committer.manifest.ManifestCommitter
 
日志 - Static variable in class org.apache.hadoop.metrics2.MetricsJsonBuilder
 
日志 - Static variable in class org.apache.hadoop.security.SecurityUtil
 
日志 - Static variable in class org.apache.hadoop.security.token.Token
 
日志 - Static variable in class org.apache.hadoop.util.Shell
 
LOG_AGGREGATION_DEBUG_FILESIZE - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
LOG_AGGREGATION_ENABLE_LOCAL_CLEANUP - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
是否在启用日志聚合时清理节点管理器的日志。
LOG_AGGREGATION_ENABLED - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
是否启用日志聚合
LOG_AGGREGATION_FILE_CONTROLLER_FMT - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
LOG_AGGREGATION_FILE_FORMATS - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
LOG_AGGREGATION_REMOTE_APP_LOG_DIR_FMT - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
LOG_AGGREGATION_REMOTE_APP_LOG_DIR_SUFFIX_FMT - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
LOG_AGGREGATION_RETAIN_CHECK_INTERVAL_SECONDS - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
聚合日志保留检查之间的等待时长。
LOG_AGGREGATION_RETAIN_SECONDS - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
在删除聚合日志前等待多长时间,-1表示禁用。
LOG_AGGREGATION_STATUS_TIME_OUT_MS - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
ResourceManager等待NodeManager报告其日志聚合状态的最长时间。
LOG_DIR_EXPANSION_VAR - Static variable in interface org.apache.hadoop.yarn.api.ApplicationConstants
容器日志目录的临时环境变量。
LOG_ENTRY_PATTERN - Static variable in class org.apache.hadoop.fs.s3a.audit.S3LogParser
以及实际编译后的模式。
LOG_ENTRY_REGEXP - Static variable in class org.apache.hadoop.fs.s3a.audit.S3LogParser
构建日志条目模式。
LogAggregationContext - Class in org.apache.hadoop.yarn.api.records
LogAggregationContext represents all of the information needed by the NodeManager to handle the logs for an application.
LogAggregationContext() - Constructor for class org.apache.hadoop.yarn.api.records.LogAggregationContext
 
LogAggregationFileController - Class in org.apache.hadoop.yarn.logaggregation.filecontroller
实现日志聚合文件控制器的基础类。
LogAggregationFileController() - Constructor for class org.apache.hadoop.yarn.logaggregation.filecontroller.LogAggregationFileController
 
logAllUserInfo(UserGroupInformation) - Static method in class org.apache.hadoop.security.UserGroupInformation
将所有(当前、实际、登录)UGI和令牌信息记录到UGI调试日志中。
logAuditEvent(boolean, String, InetAddress, String, String, String, FileStatus) - Method in interface org.apache.hadoop.hdfs.server.namenode.AuditLogger
调用以记录审计事件。
logAuditEvent(boolean, String, InetAddress, String, String, String, FileStatus, UserGroupInformation, DelegationTokenSecretManager) - Method in class org.apache.hadoop.hdfs.server.namenode.DefaultAuditLogger
 
logAuditEvent(boolean, String, InetAddress, String, String, String, FileStatus, CallerContext, UserGroupInformation, DelegationTokenSecretManager) - Method in class org.apache.hadoop.hdfs.server.namenode.DefaultAuditLogger
 
logAuditEvent(boolean, String, InetAddress, String, String, String, FileStatus) - Method in class org.apache.hadoop.hdfs.server.namenode.HdfsAuditLogger
 
logAuditEvent(boolean, String, InetAddress, String, String, String, FileStatus, CallerContext, UserGroupInformation, DelegationTokenSecretManager) - Method in class org.apache.hadoop.hdfs.server.namenode.HdfsAuditLogger
Same as HdfsAuditLogger.logAuditEvent(boolean, String, InetAddress, String, String, String, FileStatus) with additional parameters related to logging delegation token tracking IDs.
logAuditEvent(boolean, String, InetAddress, String, String, String, FileStatus, UserGroupInformation, DelegationTokenSecretManager) - Method in class org.apache.hadoop.hdfs.server.namenode.HdfsAuditLogger
logAuditMessage(String) - Method in class org.apache.hadoop.hdfs.server.namenode.DefaultAuditLogger
 
logExpireToken(TokenIdent) - Method in class org.apache.hadoop.security.token.delegation.AbstractDelegationTokenSecretManager
 
logExpireTokens(Collection) - Method in class org.apache.hadoop.security.token.delegation.AbstractDelegationTokenSecretManager
 
LoggingStateChangeListener - Class in org.apache.hadoop.service
这是一个状态变更监听器,会在INFO级别记录事件日志
LoggingStateChangeListener(Logger) - Constructor for class org.apache.hadoop.service.LoggingStateChangeListener
将日志事件记录到指定的日志
LoggingStateChangeListener() - Constructor for class org.apache.hadoop.service.LoggingStateChangeListener
将日志事件记录到该类的静态日志中
login(Configuration, String, String) - Static method in class org.apache.hadoop.security.SecurityUtil
以配置中指定的主体身份登录。
login(Configuration, String, String, String) - Static method in class org.apache.hadoop.security.SecurityUtil
以配置中指定的主体身份登录。
loginUserFromKeytab(String, String) - Static method in class org.apache.hadoop.security.UserGroupInformation
从密钥表文件登录用户。
loginUserFromKeytabAndReturnUGI(String, String) - Static method in class org.apache.hadoop.security.UserGroupInformation
从密钥表文件登录用户。
loginUserFromSubject(Subject) - Static method in class org.apache.hadoop.security.UserGroupInformation
使用给定的主题登录用户
logIOStatisticsAtDebug(Logger, String, Object) - Static method in class org.apache.hadoop.fs.statistics.IOStatisticsLogging
如果日志设置为调试级别,则从源中提取任何统计信息并在调试级别记录。
logIOStatisticsAtDebug(String, Object) - Static method in class org.apache.hadoop.fs.statistics.IOStatisticsLogging
从源数据中提取任何统计信息,并在调试级别记录到该类的日志中(如果日志设置为调试级别)。
logIOStatisticsAtLevel(Logger, String, Object) - Static method in class org.apache.hadoop.fs.statistics.IOStatisticsLogging
一种在不同层级记录源IOStatistics的方法。
LogKey() - Constructor for class org.apache.hadoop.yarn.logaggregation.AggregatedLogFormat.LogKey
 
LogKey(ContainerId) - Constructor for class org.apache.hadoop.yarn.logaggregation.AggregatedLogFormat.LogKey
 
LogKey(String) - Constructor for class org.apache.hadoop.yarn.logaggregation.AggregatedLogFormat.LogKey
 
logoutUserFromKeytab() - Method in class org.apache.hadoop.security.UserGroupInformation
注销当前使用密钥表(keytab)登录的用户。
LogReader(Configuration, Path) - Constructor for class org.apache.hadoop.yarn.logaggregation.AggregatedLogFormat.LogReader
 
日志命令行界面 - Class in org.apache.hadoop.yarn.client.cli
 
LogsCLI() - Constructor for class org.apache.hadoop.yarn.client.cli.LogsCLI
 
logSpec() - Method in class org.apache.hadoop.mapred.lib.aggregate.ValueAggregatorJobBase
 
logSpec() - Static method in class org.apache.hadoop.mapreduce.lib.aggregate.ValueAggregatorJobBase
 
logThreadInfo(Log, String, long) - Static method in class org.apache.hadoop.util.ReflectionUtils
Deprecated.
to be removed with 3.4.0. Use ReflectionUtils.logThreadInfo(Logger, String, long) instead.
logThreadInfo(Logger, String, long) - Static method in class org.apache.hadoop.util.ReflectionUtils
以INFO级别记录当前线程堆栈。
logTokenTrackingId - Variable in class org.apache.hadoop.hdfs.server.namenode.DefaultAuditLogger
为所有审计日志事件添加跟踪ID。
logUpdateMasterKey(DelegationKey) - Method in class org.apache.hadoop.security.token.delegation.AbstractDelegationTokenSecretManager
 
LONG_VALUE_MAX - Static variable in class org.apache.hadoop.mapred.lib.aggregate.ValueAggregatorBaseDescriptor
 
LONG_VALUE_MAX - Static variable in class org.apache.hadoop.mapreduce.lib.aggregate.ValueAggregatorBaseDescriptor
 
LONG_VALUE_MIN - Static variable in class org.apache.hadoop.mapred.lib.aggregate.ValueAggregatorBaseDescriptor
 
LONG_VALUE_MIN - Static variable in class org.apache.hadoop.mapreduce.lib.aggregate.ValueAggregatorBaseDescriptor
 
LONG_VALUE_SUM - Static variable in class org.apache.hadoop.mapred.lib.aggregate.ValueAggregatorBaseDescriptor
 
LONG_VALUE_SUM - Static variable in class org.apache.hadoop.mapreduce.lib.aggregate.ValueAggregatorBaseDescriptor
 
LongSumReducer<K> - Class in org.apache.hadoop.mapred.lib
A Reducer that sums long values.
LongSumReducer() - Constructor for class org.apache.hadoop.mapred.lib.LongSumReducer
 
LongSumReducer<KEY> - Class in org.apache.hadoop.mapreduce.lib.reduce
 
LongSumReducer() - Constructor for class org.apache.hadoop.mapreduce.lib.reduce.LongSumReducer
 
LongValueMax - Class in org.apache.hadoop.mapred.lib.aggregate
该类实现了一个值聚合器,用于维护一系列长整型数值中的最大值。
LongValueMax() - Constructor for class org.apache.hadoop.mapred.lib.aggregate.LongValueMax
 
LongValueMax - Class in org.apache.hadoop.mapreduce.lib.aggregate
该类实现了一个值聚合器,用于维护一系列长整型数值中的最大值。
LongValueMax() - Constructor for class org.apache.hadoop.mapreduce.lib.aggregate.LongValueMax
默认构造函数
LongValueMin - Class in org.apache.hadoop.mapred.lib.aggregate
该类实现了一个值聚合器,用于维护一系列长整型数值中的最小值。
LongValueMin() - Constructor for class org.apache.hadoop.mapred.lib.aggregate.LongValueMin
 
LongValueMin - Class in org.apache.hadoop.mapreduce.lib.aggregate
该类实现了一个值聚合器,用于维护一系列长整型数值中的最小值。
LongValueMin() - Constructor for class org.apache.hadoop.mapreduce.lib.aggregate.LongValueMin
默认构造函数
LongValueSum - Class in org.apache.hadoop.mapred.lib.aggregate
该类实现了一个值聚合器,用于对一系列长整型值进行求和。
LongValueSum() - Constructor for class org.apache.hadoop.mapred.lib.aggregate.LongValueSum
 
LongValueSum - Class in org.apache.hadoop.mapreduce.lib.aggregate
该类实现了一个值聚合器,用于累加一系列长整型数值。
LongValueSum() - Constructor for class org.apache.hadoop.mapreduce.lib.aggregate.LongValueSum
默认构造函数
LongWritable - Class in org.apache.hadoop.io
一个用于长整型的可写可比较对象。
LongWritable() - Constructor for class org.apache.hadoop.io.LongWritable
 
LongWritable(long) - Constructor for class org.apache.hadoop.io.LongWritable
 
lowerBound(List, T, Comparator) - Static method in class org.apache.hadoop.io.file.tfile.Utils
二分查找下界。
lowerBound(List>, T) - Static method in class org.apache.hadoop.io.file.tfile.Utils
下界二分查找。
LZ4_CODEC_EXTENSION - Static variable in class org.apache.hadoop.io.compress.CodecConstants
Default extension for Lz4Codec.

M

MAC - Static variable in class org.apache.hadoop.util.Shell
 
MAGIC - Static variable in class org.apache.hadoop.fs.s3a.commit.CommitConstants
Path for "magic" writes: path and CommitConstants.PENDING_SUFFIX files: "__magic".
MAGIC_COMMITTER_ENABLED - Static variable in class org.apache.hadoop.fs.s3a.commit.CommitConstants
标志,用于指示文件系统中是否启用了对Magic提交器的支持。
MAGIC_COMMITTER_PENDING_OBJECT_ETAG_NAME - Static variable in class org.apache.hadoop.fs.s3a.commit.CommitConstants
未提交的S3对象将返回的Etag名称:"pending"。
MAGIC_COMMITTER_PREFIX - Static variable in class org.apache.hadoop.fs.s3a.commit.CommitConstants
标志,表示文件系统中是否启用了对Magic提交器的支持。
MAGIC_PATH_PREFIX - Static variable in class org.apache.hadoop.fs.s3a.commit.CommitConstants
 
MagicS3GuardCommitter - Class in org.apache.hadoop.fs.s3a.commit.magic
这是一个专用的提交器,要求启用S3A文件系统的"magic"目录功能;然后它会在magic路径中使用任务和作业尝试的路径,以确保最终输出直接进入目标目录。
MagicS3GuardCommitter(Path, TaskAttemptContext) - Constructor for class org.apache.hadoop.fs.s3a.commit.magic.MagicS3GuardCommitter
创建一个任务提交器。
main(String[]) - Static method in class org.apache.hadoop.conf.配置
用于调试。
main(String[]) - Static method in class org.apache.hadoop.fs.azure.WasbFsck
 
main(String[]) - Static method in class org.apache.hadoop.hdfs.server.namenode.FileSystemImage
 
main(String[]) - Static method in class org.apache.hadoop.io.compress.CompressionCodecFactory
一个小测试程序。
main(String[]) - Static method in class org.apache.hadoop.io.file.tfile.TFile
转储TFile信息。
main(String[]) - Static method in class org.apache.hadoop.io.MapFile
 
main(String[]) - Static method in class org.apache.hadoop.mapred.JobClient
 
main(String[]) - Static method in class org.apache.hadoop.mapred.JobConf
 
main(String[]) - Static method in class org.apache.hadoop.mapred.lib.aggregate.ValueAggregatorJob
创建并运行一个基于聚合的map/reduce作业。
main(String[]) - Static method in class org.apache.hadoop.mapred.pipes.Submitter
基于命令行参数提交一个pipes作业。
main(String[]) - Static method in class org.apache.hadoop.mapreduce.lib.aggregate.ValueAggregatorJob
创建并运行一个基于聚合的map/reduce作业。
main(String[]) - Static method in class org.apache.hadoop.mapreduce.lib.partition.InputSampler
 
main(String[]) - Static method in class org.apache.hadoop.mapreduce.tools.CLI
 
main(String[]) - Static method in class org.apache.hadoop.security.UserGroupInformation
一个测试方法,用于打印当前用户的UGI。
main(String[]) - Static method in class org.apache.hadoop.tools.DistCp
DistCp程序的主要功能。
main(String[]) - Static method in class org.apache.hadoop.tools.dynamometer.ApplicationMaster
 
main(String[]) - Static method in class org.apache.hadoop.tools.dynamometer.Client
 
main(String[]) - Static method in class org.apache.hadoop.util.VersionInfo
 
main(String[]) - Static method in class org.apache.hadoop.yarn.applications.distributedshell.ApplicationMaster
 
main(String[]) - Static method in class org.apache.hadoop.yarn.applications.distributedshell.Client
 
main(String[]) - Static method in class org.apache.hadoop.yarn.client.cli.LogsCLI
 
main(String[]) - Static method in class org.apache.hadoop.yarn.client.cli.SchedConfCLI
 
main(String[]) - Static method in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
make(OPERAND, STATE, StateTransitionListener) - Method in class org.apache.hadoop.yarn.state.StateMachineFactory
一个接受状态转换监听器的状态机。
make(OPERAND, STATE) - Method in class org.apache.hadoop.yarn.state.StateMachineFactory
 
make(OPERAND) - Method in class org.apache.hadoop.yarn.state.StateMachineFactory
 
makeAbsolute(Path) - Method in class org.apache.hadoop.fs.azure.NativeAzureFileSystem
获取路径的绝对版本(完全限定)。
makeCompactString() - Method in class org.apache.hadoop.mapred.计数器
 
makeComparator(String) - Static method in class org.apache.hadoop.io.file.tfile.TFile
根据字符串名称创建一个原始比较器。
makeEscapedCompactString() - Method in class org.apache.hadoop.mapred.Counters.Counter
返回计数器的紧凑字符串化版本,格式为 [(实际名称)(显示名称)(值)]
makeEscapedCompactString() - Method in class org.apache.hadoop.mapred.Counters.Group
 
makeEscapedCompactString() - Method in class org.apache.hadoop.mapred.计数器
以可转换回其对象形式的文本格式表示计数器
makeQualified(Path) - Method in class org.apache.hadoop.fs.AbstractFileSystem
使路径完全限定为此文件系统
makeQualified(Path) - Method in class org.apache.hadoop.fs.FileContext
如果路径不是完全限定的,则使其完全限定。
makeQualified(Path) - Method in class org.apache.hadoop.fs.FileSystem
将路径限定为使用此FileSystem的路径,如果是相对路径,则将其转换为绝对路径。
makeQualified(Path) - Method in class org.apache.hadoop.fs.FilterFileSystem
确保路径指定了一个文件系统。
makeQualified(FileSystem) - Method in class org.apache.hadoop.fs.Path
makeSecureShellPath(File) - Static method in class org.apache.hadoop.fs.FileUtil
将操作系统原生文件名转换为适用于shell的路径,并避免脚本注入攻击。
makeShellPath(String) - Static method in class org.apache.hadoop.fs.FileUtil
将操作系统原生文件名转换为适用于shell的路径。
makeShellPath(File) - Static method in class org.apache.hadoop.fs.FileUtil
将操作系统原生文件名转换为适用于shell的路径。
makeShellPath(File, boolean) - Static method in class org.apache.hadoop.fs.FileUtil
将操作系统原生文件名转换为适用于shell的路径。
makeSplit(Path, long, long, String[]) - Method in class org.apache.hadoop.mapred.FileInputFormat
为该类生成分割的工厂。
makeSplit(Path, long, long, String[], String[]) - Method in class org.apache.hadoop.mapred.FileInputFormat
为该类创建分割的工厂。
makeSplit(Path, long, long, String[]) - Method in class org.apache.hadoop.mapreduce.lib.input.FileInputFormat
为该类创建分割的工厂。
makeSplit(Path, long, long, String[], String[]) - Method in class org.apache.hadoop.mapreduce.lib.input.FileInputFormat
为该类生成分割的工厂。
MANIFEST_COMMITTER_CLASSNAME - Static variable in class org.apache.hadoop.mapreduce.lib.output.committer.manifest.ManifestCommitterConstants
记录在提交者_SUCCESS文件中的Committer类名。
MANIFEST_COMMITTER_FACTORY - Static variable in class org.apache.hadoop.mapreduce.lib.output.committer.manifest.ManifestCommitterConstants
工厂名称:.
MANIFEST_SUFFIX - Static variable in class org.apache.hadoop.mapreduce.lib.output.committer.manifest.ManifestCommitterConstants
在manifest子目录的清单文件中使用的后缀。
ManifestCommitter - Class in org.apache.hadoop.mapreduce.lib.output.committer.manifest
这是Intermediate-Manifest提交器。
ManifestCommitter(Path, TaskAttemptContext) - Constructor for class org.apache.hadoop.mapreduce.lib.output.committer.manifest.ManifestCommitter
创建一个提交器。
ManifestCommitterConstants - Class in org.apache.hadoop.mapreduce.lib.output.committer.manifest
清单提交器的公共常量。
ManifestCommitterFactory - Class in org.apache.hadoop.mapreduce.lib.output.committer.manifest
这是用于注册为作业/文件系统模式的提交者源的提交者工厂。
ManifestCommitterFactory() - Constructor for class org.apache.hadoop.mapreduce.lib.output.committer.manifest.ManifestCommitterFactory
 
ManifestCommitterStatisticNames - Class in org.apache.hadoop.mapreduce.lib.output.committer.manifest
提交者的统计名称。
MANIFESTS - Static variable in class org.apache.hadoop.mapreduce.lib.output.committer.manifest.files.DiagnosticKeys
清单被重命名的目录:"manifests"。
ManifestSuccessData - Class in org.apache.hadoop.mapreduce.lib.output.committer.manifest.files
Summary data saved into a _SUCCESS marker file.
ManifestSuccessData() - Constructor for class org.apache.hadoop.mapreduce.lib.output.committer.manifest.files.ManifestSuccessData
 
map(K1, V1, OutputCollector, Reporter) - Method in class org.apache.hadoop.mapred.lib.aggregate.ValueAggregatorCombiner
不执行任何操作。
map(K1, V1, OutputCollector, Reporter) - Method in class org.apache.hadoop.mapred.lib.aggregate.ValueAggregatorMapper
映射函数。
map(K1, V1, OutputCollector, Reporter) - Method in class org.apache.hadoop.mapred.lib.aggregate.ValueAggregatorReducer
不执行任何操作。
map(Object, Object, OutputCollector, Reporter) - Method in class org.apache.hadoop.mapred.lib.ChainMapper
Chains the map(...) methods of the Mappers in the chain.
map(K, V, OutputCollector, Reporter) - Method in class org.apache.hadoop.mapred.lib.FieldSelectionMapReduce
标识函数。
map(K, V, OutputCollector, Reporter) - Method in class org.apache.hadoop.mapred.lib.IdentityMapper
恒等函数。
map(K, V, OutputCollector, Reporter) - Method in class org.apache.hadoop.mapred.lib.InverseMapper
反函数。
map(K, Text, OutputCollector, Reporter) - Method in class org.apache.hadoop.mapred.lib.RegexMapper
 
map(K, Text, OutputCollector, Reporter) - Method in class org.apache.hadoop.mapred.lib.TokenCountMapper
 
map(K1, V1, OutputCollector, Reporter) - Method in interface org.apache.hadoop.mapred.Mapper
将单个输入键/值对映射为中间键/值对。
map(K1, V1, Mapper.Context) - Method in class org.apache.hadoop.mapreduce.lib.aggregate.ValueAggregatorMapper
map函数。
map(K, V, Mapper.Context) - Method in class org.apache.hadoop.mapreduce.lib.fieldsel.FieldSelectionMapper
标识函数。
map(K, V, Mapper.Context) - Method in class org.apache.hadoop.mapreduce.lib.map.InverseMapper
反函数。
map(K, Text, Mapper.Context) - Method in class org.apache.hadoop.mapreduce.lib.map.RegexMapper
 
map(Object, Text, Mapper.Context) - Method in class org.apache.hadoop.mapreduce.lib.map.TokenCounterMapper
 
map(KEYIN, VALUEIN, Mapper.Context) - Method in class org.apache.hadoop.mapreduce.Mapper
对输入分片中的每个键/值对调用一次。
map(String, String) - Static method in class org.apache.hadoop.registry.client.binding.RegistryTypeUtils
创建单条目映射
MAP_CLASS - Static variable in class org.apache.hadoop.mapreduce.lib.map.MultithreadedMapper
 
MAP_OUTPUT_KEY_VALUE_SPEC - Static variable in class org.apache.hadoop.mapreduce.lib.fieldsel.FieldSelectionHelper
 
MapContext<KEYIN,VALUEIN,KEYOUT,VALUEOUT> - Interface in org.apache.hadoop.mapreduce
The context that is given to the Mapper.
MapFile - Class in org.apache.hadoop.io
一个基于文件的键值映射。
MapFile() - Constructor for class org.apache.hadoop.io.MapFile
 
MapFileOutputFormat - Class in org.apache.hadoop.mapred
An OutputFormat that writes MapFiles.
MapFileOutputFormat() - Constructor for class org.apache.hadoop.mapred.MapFileOutputFormat
 
MapFileOutputFormat - Class in org.apache.hadoop.mapreduce.lib.output
An OutputFormat that writes MapFiles.
MapFileOutputFormat() - Constructor for class org.apache.hadoop.mapreduce.lib.output.MapFileOutputFormat
 
Mapper<K1,V1,K2,V2> - Interface in org.apache.hadoop.mapred
将输入的键/值对映射为一组中间键/值对。
Mapper<KEYIN,VALUEIN,KEYOUT,VALUEOUT> - Class in org.apache.hadoop.mapreduce
将输入的键/值对映射为一组中间键/值对。
Mapper() - Constructor for class org.apache.hadoop.mapreduce.Mapper
 
mappingRemoteIterator(RemoteIterator, FunctionRaisingIOE) - Static method in class org.apache.hadoop.util.functional.RemoteIterators
从一个迭代器和一个转换函数创建迭代器。
mapProgress() - Method in class org.apache.hadoop.mapred.JobStatus
 
mapProgress() - Method in interface org.apache.hadoop.mapred.RunningJob
Get the progress of the job's map-tasks, as a float between 0.0 and 1.0.
mapProgress() - Method in class org.apache.hadoop.mapreduce.Job
Get the progress of the job's map-tasks, as a float between 0.0 and 1.0.
MAPRED_JOB_MAP_MEMORY_MB_PROPERTY - Static variable in class org.apache.hadoop.mapred.JobConf
Deprecated.
MAPRED_JOB_REDUCE_MEMORY_MB_PROPERTY - Static variable in class org.apache.hadoop.mapred.JobConf
Deprecated.
MAPRED_LOCAL_DIR_PROPERTY - Static variable in class org.apache.hadoop.mapred.JobConf
配置属性 mapreduce.cluster.local.dir 的属性名称
MAPRED_MAP_TASK_ENV - Static variable in class org.apache.hadoop.mapred.JobConf
设置子map任务环境的配置键。
MAPRED_MAP_TASK_JAVA_OPTS - Static variable in class org.apache.hadoop.mapred.JobConf
为map任务设置Java命令行选项的配置键。
MAPRED_MAP_TASK_LOG_LEVEL - Static variable in class org.apache.hadoop.mapred.JobConf
设置map任务日志级别的配置键。
MAPRED_MAP_TASK_ULIMIT - Static variable in class org.apache.hadoop.mapred.JobConf
Deprecated.
Configuration key to set the maximum virtual memory available to the map tasks (in kilo-bytes). This has been deprecated and will no longer have any effect.
MAPRED_REDUCE_TASK_ENV - Static variable in class org.apache.hadoop.mapred.JobConf
用于设置子reduce任务环境的配置键。
MAPRED_REDUCE_TASK_JAVA_OPTS - Static variable in class org.apache.hadoop.mapred.JobConf
为reduce任务设置Java命令行选项的配置键。
MAPRED_REDUCE_TASK_LOG_LEVEL - Static variable in class org.apache.hadoop.mapred.JobConf
设置reduce任务日志级别的配置键。
MAPRED_REDUCE_TASK_ULIMIT - Static variable in class org.apache.hadoop.mapred.JobConf
Deprecated.
Configuration key to set the maximum virtual memory available to the reduce tasks (in kilo-bytes). This has been deprecated and will no longer have any effect.
MAPRED_TASK_DEFAULT_MAXVMEM_PROPERTY - Static variable in class org.apache.hadoop.mapred.JobConf
Deprecated. 
MAPRED_TASK_ENV - Static variable in class org.apache.hadoop.mapred.JobConf
MAPRED_TASK_JAVA_OPTS - Static variable in class org.apache.hadoop.mapred.JobConf
MAPRED_TASK_MAXPMEM_PROPERTY - Static variable in class org.apache.hadoop.mapred.JobConf
Deprecated. 
MAPRED_TASK_MAXVMEM_PROPERTY - Static variable in class org.apache.hadoop.mapred.JobConf
MAPRED_TASK_ULIMIT - Static variable in class org.apache.hadoop.mapred.JobConf
Deprecated.
Configuration key to set the maximum virtual memory available to the child map and reduce tasks (in kilo-bytes). This has been deprecated and will no longer have any effect.
MAPREDUCE_CLIENT_RETRY_POLICY_ENABLED_DEFAULT - Static variable in class org.apache.hadoop.mapred.JobClient
 
MAPREDUCE_CLIENT_RETRY_POLICY_ENABLED_KEY - Static variable in class org.apache.hadoop.mapred.JobClient
 
MAPREDUCE_CLIENT_RETRY_POLICY_SPEC_DEFAULT - Static variable in class org.apache.hadoop.mapred.JobClient
 
MAPREDUCE_CLIENT_RETRY_POLICY_SPEC_KEY - Static variable in class org.apache.hadoop.mapred.JobClient
 
MAPREDUCE_RECOVER_JOB - Static variable in class org.apache.hadoop.mapred.JobConf
Deprecated.
MapReduceBase - Class in org.apache.hadoop.mapred
Base class for Mapper and Reducer implementations.
MapReduceBase() - Constructor for class org.apache.hadoop.mapred.MapReduceBase
 
MapRunnable<K1,V1,K2,V2> - Interface in org.apache.hadoop.mapred
Expert: Generic interface for Mappers.
MapRunner<K1,V1,K2,V2> - Class in org.apache.hadoop.mapred
Default MapRunnable implementation.
MapRunner() - Constructor for class org.apache.hadoop.mapred.MapRunner
 
MapWritable - Class in org.apache.hadoop.io
一个可写的Map。
MapWritable() - Constructor for class org.apache.hadoop.io.MapWritable
默认构造函数。
MapWritable(MapWritable) - Constructor for class org.apache.hadoop.io.MapWritable
复制构造函数。
mark(int) - Method in class org.apache.hadoop.io.compress.DecompressorStream
 
mark() - Method in class org.apache.hadoop.mapreduce.MarkableIterator
 
MarkableIterator<VALUE> - Class in org.apache.hadoop.mapreduce
MarkableIterator is a wrapper iterator class that implements the MarkableIteratorInterface.
MarkableIterator(Iterator) - Constructor for class org.apache.hadoop.mapreduce.MarkableIterator
在输入迭代器之上创建一个新的分层迭代器
markSupported() - Method in class org.apache.hadoop.io.compress.DecompressorStream
 
MASTER_MEMORY_MB_ARG - Static variable in class org.apache.hadoop.tools.dynamometer.Client
 
MASTER_MEMORY_MB_DEFAULT - Static variable in class org.apache.hadoop.tools.dynamometer.Client
 
MASTER_VCORES_ARG - Static variable in class org.apache.hadoop.tools.dynamometer.Client
 
MASTER_VCORES_DEFAULT - Static variable in class org.apache.hadoop.tools.dynamometer.Client
 
matches(String) - Method in enum org.apache.hadoop.yarn.api.records.timelineservice.TimelineEntityType
该实体的类型是否与输入参数指示的类型匹配。
MAX_AZURE_BLOCK_SIZE - Static variable in class org.apache.hadoop.fs.azurebfs.constants.FileSystemConfigurations
 
MAX_BUFFER_SIZE - Static variable in class org.apache.hadoop.fs.azurebfs.constants.FileSystemConfigurations
 
MAX_CLUSTER_LEVEL_APPLICATION_PRIORITY - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
MAX_CONCURRENT_READ_THREADS - Static variable in class org.apache.hadoop.fs.azurebfs.constants.FileSystemConfigurations
 
MAX_CONCURRENT_WRITE_THREADS - Static variable in class org.apache.hadoop.fs.azurebfs.constants.FileSystemConfigurations
 
MAX_COUNTER_LIMIT - Static variable in class org.apache.hadoop.mapred.计数器
 
MAX_ERROR_RETRIES - Static variable in class org.apache.hadoop.fs.s3a.常量
AWS客户端库在将错误升级到S3A代码之前应重试的次数:"fs.s3a.attempts.maximum"。
MAX_FQDN_LABEL_LENGTH - Static variable in interface org.apache.hadoop.registry.client.api.RegistryConstants
标签的最大长度(FQDN中以点分隔的节点)。
MAX_GROUP_LIMIT - Static variable in class org.apache.hadoop.mapred.计数器
 
MAX_LEASE_DURATION - Static variable in class org.apache.hadoop.fs.azurebfs.constants.FileSystemConfigurations
 
MAX_MULTIPART_COUNT - Static variable in class org.apache.hadoop.fs.s3a.常量
多部分上传中的最大分区数:10000。
MAX_NUM_LISTSTATUS_THREADS - Static variable in class org.apache.hadoop.tools.DistCpOptions
 
MAX_NUM_UNIQUE_VALUES - Static variable in class org.apache.hadoop.mapreduce.lib.aggregate.UniqValueCount
 
MAX_PAGING_KEYS - Static variable in class org.apache.hadoop.fs.s3a.常量
 
MAX_PATH_LINKS - Static variable in interface org.apache.hadoop.fs.FsConstants
 
MAX_PERMISSION_LENGTH - Static variable in class org.apache.hadoop.fs.permission.FsPermission
解析权限字符串的最大可接受长度
MAX_THREADS - Static variable in class org.apache.hadoop.fs.s3a.常量
S3A使用的线程池中允许的最大线程数。
MAX_TOTAL_TASKS - Static variable in class org.apache.hadoop.fs.s3a.常量
如果所有线程都处于忙碌状态,队列中任务的最大数量(不包括预取任务):"fs.s3a.max.total.tasks"。
MAX_TRIE_DEPTH - Static variable in class org.apache.hadoop.mapreduce.lib.partition.TotalOrderPartitioner
 
MAX_UNSET_VALUE - Static variable in interface org.apache.hadoop.fs.statistics.IOStatistics
当从未设置最大值时的默认值。
maxAvailableData - Variable in class org.apache.hadoop.io.compress.CompressionInputStream
 
maxCardinality(String, int, String...) - Static method in class org.apache.hadoop.yarn.api.resource.PlacementConstraints
Similar to PlacementConstraints.cardinality(String, int, int, String...), but determines only the maximum cardinality (the minimum cardinality is 0).
maxCardinality(String, String, int, String...) - Static method in class org.apache.hadoop.yarn.api.resource.PlacementConstraints
Similar to PlacementConstraints.maxCardinality(String, int, String...), but let you specify a namespace for the tags, see supported namespaces in AllocationTagNamespaceType.
maxCardinality(Long) - Method in class org.apache.hadoop.yarn.service.api.records.PlacementConstraint
当放置类型为基数时,主机应拥有的依赖组件的最大容器数量,该组件的容器可以分配在这些主机上。
MAXIMUM_CONNECTIONS - Static variable in class org.apache.hadoop.fs.s3a.常量
同时连接到S3的连接数:"fs.s3a.connection.maximum"。
MAXIMUM_FP - Static variable in interface org.apache.hadoop.util.bloom.RemoveScheme
最大FP选择。
maximums() - Method in interface org.apache.hadoop.fs.statistics.IOStatistics
最大值映射图。
maximums() - Method in class org.apache.hadoop.fs.statistics.IOStatisticsSnapshot
 
maxReadSizeForVectorReads() - Method in class org.apache.hadoop.fs.FSDataInputStream
 
maxReadSizeForVectorReads() - Method in interface org.apache.hadoop.fs.PositionedReadable
我们应该将范围分组在一起的最大尺寸是多少?
maybeIgnoreMissingDirectory(FileSystem, Path, FileNotFoundException) - Static method in class org.apache.hadoop.fs.FileUtil
在树遍历过程中触发文件未找到异常(FNFE)后调用的方法,用于决定是抛出异常(默认行为),还是如果文件系统支持不一致的目录列表,则记录并忽略该异常。
MBeans - Class in org.apache.hadoop.metrics2.util
This util class provides a method to register an MBean using our standard naming convention as described in the doc for {link MBeans.register(String, String, Object).
MD5 - Static variable in class org.apache.hadoop.fs.azurebfs.constants.AbfsHttpConstants
 
MD5_LEN - Static variable in class org.apache.hadoop.io.MD5Hash
 
MD5Hash - Class in org.apache.hadoop.io
一个用于MD5哈希值的可写类。
MD5Hash() - Constructor for class org.apache.hadoop.io.MD5Hash
构建一个MD5哈希值。
MD5Hash(String) - Constructor for class org.apache.hadoop.io.MD5Hash
从十六进制字符串构造一个MD5Hash。
MD5Hash(byte[]) - Constructor for class org.apache.hadoop.io.MD5Hash
使用指定值构造一个MD5Hash。
mean() - Method in class org.apache.hadoop.fs.statistics.MeanStatistic
获取算术平均值。
MeanStatistic - Class in org.apache.hadoop.fs.statistics
均值统计量表示为总和与样本计数;均值按需计算。
MeanStatistic(long, long) - Constructor for class org.apache.hadoop.fs.statistics.MeanStatistic
构造函数,对无效样本计数具有一定的容错能力。
MeanStatistic(MeanStatistic) - Constructor for class org.apache.hadoop.fs.statistics.MeanStatistic
从另一个统计创建。
MeanStatistic() - Constructor for class org.apache.hadoop.fs.statistics.MeanStatistic
创建一个空的统计信息。
meanStatistics() - Method in interface org.apache.hadoop.fs.statistics.IOStatistics
meanStatistics的映射图。
meanStatistics() - Method in class org.apache.hadoop.fs.statistics.IOStatisticsSnapshot
 
membershipTest(Key) - Method in class org.apache.hadoop.util.bloom.BloomFilter
 
membershipTest(Key) - Method in class org.apache.hadoop.util.bloom.CountingBloomFilter
 
membershipTest(Key) - Method in class org.apache.hadoop.util.bloom.DynamicBloomFilter
 
memory(String) - Method in class org.apache.hadoop.yarn.service.api.records.Resource
分配给每个容器的内存量(可选,但如果指定则会覆盖配置文件中的内存设置)。
MEMORY_CONFIGURATION_STORE - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
MEMORY_INDEX - Static variable in class org.apache.hadoop.yarn.api.records.Resource
 
merge(Collection) - Static method in class org.apache.hadoop.hdfs.protocol.ECBlockGroupStats
合并多个ECBlockGroupStats。
merge(Collection) - Static method in class org.apache.hadoop.hdfs.protocol.ReplicatedBlockStats
合并多个ReplicatedBlockStats。
mergeAll(Credentials) - Method in class org.apache.hadoop.security.Credentials
将一个凭证对象中的所有凭证复制到另一个凭证对象中。
mergeFrom(Component) - Method in class org.apache.hadoop.yarn.service.api.records.组件
从另一个组件合并到当前组件,但不覆盖原有内容。
mergeFrom(Configuration) - Method in class org.apache.hadoop.yarn.service.api.records.配置
将该配置中的所有属性和环境合并到当前配置中。
mergePaths(Path, Path) - Static method in class org.apache.hadoop.fs.Path
合并两条路径,使第二条路径相对于第一条路径追加。
message(String) - Method in class org.apache.hadoop.yarn.service.api.records.错误
 
MetaBlockAlreadyExists - Exception in org.apache.hadoop.io.file.tfile
异常 - 同名元数据块已存在。
MetaBlockDoesNotExist - Exception in org.apache.hadoop.io.file.tfile
异常 - 找不到具有指定名称的元数据块。
METADATASTORE_AUTHORITATIVE - Static variable in class org.apache.hadoop.fs.s3a.常量
Deprecated.
no longer supported
METADATASTORE_METADATA_TTL - Static variable in class org.apache.hadoop.fs.s3a.常量
Deprecated.
no longer supported
methodNotSupported() - Method in class org.apache.hadoop.fs.AbstractFileSystem
Helper method that throws an UnsupportedOperationException for the current FileSystem method being called.
指标 - Annotation Type in org.apache.hadoop.metrics2.annotation
用于在类中标注字段或方法的单个指标的注解接口。
METRIC_TAG_ACCOUNT_NAME - Static variable in class org.apache.hadoop.fs.azure.metrics.AzureFileSystemInstrumentation
 
METRIC_TAG_CONTAINTER_NAME - Static variable in class org.apache.hadoop.fs.azure.metrics.AzureFileSystemInstrumentation
 
METRIC_TAG_FILESYSTEM_ID - Static variable in class org.apache.hadoop.fs.azure.metrics.AzureFileSystemInstrumentation
 
指标 - Annotation Type in org.apache.hadoop.metrics2.annotation
用于一组指标的注解接口
metrics() - Method in interface org.apache.hadoop.metrics2.MetricsRecord
获取记录的指标
MetricsCache - Class in org.apache.hadoop.metrics2.util
为不支持稀疏更新的接收器提供的指标缓存。
MetricsCache() - Constructor for class org.apache.hadoop.metrics2.util.MetricsCache
 
MetricsCache(int) - Constructor for class org.apache.hadoop.metrics2.util.MetricsCache
构建一个指标缓存
MetricsCollector - Interface in org.apache.hadoop.metrics2
指标收集器接口
MetricsException - Exception in org.apache.hadoop.metrics2
通用的指标异常包装器
MetricsException(String) - Constructor for exception org.apache.hadoop.metrics2.MetricsException
使用消息构造异常
MetricsException(String, Throwable) - Constructor for exception org.apache.hadoop.metrics2.MetricsException
使用消息和原因构建异常
MetricsException(Throwable) - Constructor for exception org.apache.hadoop.metrics2.MetricsException
构造带有原因的异常
MetricsFilter - Class in org.apache.hadoop.metrics2
指标过滤器界面。
MetricsFilter() - Constructor for class org.apache.hadoop.metrics2.MetricsFilter
 
MetricsInfo - Interface in org.apache.hadoop.metrics2
为指标提供不可变元信息的接口。
MetricsJsonBuilder - Class in org.apache.hadoop.metrics2
构建指标的JSON转储。
MetricsJsonBuilder(MetricsCollector) - Constructor for class org.apache.hadoop.metrics2.MetricsJsonBuilder
构建一个实例。
MetricsPlugin - Interface in org.apache.hadoop.metrics2
指标框架的插件接口
MetricsRecord - Interface in org.apache.hadoop.metrics2
带有时间戳的不可变指标快照
MetricsRecordBuilder - Class in org.apache.hadoop.metrics2
指标记录构建器接口
MetricsRecordBuilder() - Constructor for class org.apache.hadoop.metrics2.MetricsRecordBuilder
 
MetricsRegistry - Class in org.apache.hadoop.metrics2.lib
一个可选的指标注册类,用于创建和维护MetricsMutables集合,使编写指标源更加容易。
MetricsRegistry(String) - Constructor for class org.apache.hadoop.metrics2.lib.MetricsRegistry
使用记录名称构建注册表
MetricsRegistry(MetricsInfo) - Constructor for class org.apache.hadoop.metrics2.lib.MetricsRegistry
使用元数据对象构建注册表
MetricsSink - Interface in org.apache.hadoop.metrics2
指标接收器接口。
MetricsSource - Interface in org.apache.hadoop.metrics2
指标信息的来源。
MetricsSystem - Class in org.apache.hadoop.metrics2
指标系统接口。
MetricsSystem() - Constructor for class org.apache.hadoop.metrics2.MetricsSystem
 
MetricsSystemMXBean - Interface in org.apache.hadoop.metrics2
指标系统的JMX接口
MetricsTag - Class in org.apache.hadoop.metrics2
用于指标的不可变标签(用于按主机/队列/用户名等进行分组)
MetricsTag(MetricsInfo, String) - Constructor for class org.apache.hadoop.metrics2.MetricsTag
使用名称、描述和值构建标签
MetricStringBuilder - Class in org.apache.hadoop.metrics2
构建指标的字符串转储。
MetricStringBuilder(MetricsCollector, String, String, String) - Constructor for class org.apache.hadoop.metrics2.MetricStringBuilder
构建一个实例。
MetricsVisitor - Interface in org.apache.hadoop.metrics2
一个用于指标的访问接口
MIN_BUFFER_SIZE - Static variable in class org.apache.hadoop.fs.azurebfs.constants.FileSystemConfigurations
 
MIN_LEASE_DURATION - Static variable in class org.apache.hadoop.fs.azurebfs.constants.FileSystemConfigurations
 
MIN_LEASE_THREADS - Static variable in class org.apache.hadoop.fs.azurebfs.constants.FileSystemConfigurations
 
MIN_LOG_ROLLING_INTERVAL_SECONDS - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
MIN_LOG_ROLLING_INTERVAL_SECONDS_DEFAULT - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
MIN_MULTIPART_THRESHOLD - Static variable in class org.apache.hadoop.fs.s3a.常量
 
MIN_UNSET_VALUE - Static variable in interface org.apache.hadoop.fs.statistics.IOStatistics
当从未设置最小值时的默认值。
minCardinality(String, int, String...) - Static method in class org.apache.hadoop.yarn.api.resource.PlacementConstraints
Similar to PlacementConstraints.cardinality(String, int, int, String...), but determines only the minimum cardinality (the maximum cardinality is unbound).
minCardinality(String, String, int, String...) - Static method in class org.apache.hadoop.yarn.api.resource.PlacementConstraints
Similar to PlacementConstraints.minCardinality(String, int, String...), but let you attach a namespace to the allocation tags.
minCardinality(Long) - Method in class org.apache.hadoop.yarn.service.api.records.PlacementConstraint
当放置类型为基数时,主机应拥有的依赖组件容器的最小数量,该组件的容器可以分配在这些主机上。
MINIMUM_FN - Static variable in interface org.apache.hadoop.util.bloom.RemoveScheme
最小FN选择。
MINIMUM_NETWORK_OPERATION_DURATION - Static variable in class org.apache.hadoop.fs.s3a.常量
这是最短操作持续时间,除非通过编程方式设置。
minimums() - Method in interface org.apache.hadoop.fs.statistics.IOStatistics
最小值映射。
minimums() - Method in class org.apache.hadoop.fs.statistics.IOStatisticsSnapshot
 
minSeekForVectorReads() - Method in class org.apache.hadoop.fs.FSDataInputStream
 
minSeekForVectorReads() - Method in interface org.apache.hadoop.fs.PositionedReadable
最小的合理寻道时间是多少?
MissingEventsException - Exception in org.apache.hadoop.hdfs.inotify
 
MissingEventsException() - Constructor for exception org.apache.hadoop.hdfs.inotify.MissingEventsException
 
MissingEventsException(long, long) - Constructor for exception org.apache.hadoop.hdfs.inotify.MissingEventsException
 
mkdir(Path, FsPermission, boolean) - Method in class org.apache.hadoop.fs.AbstractFileSystem
The specification of this method matches that of FileContext.mkdir(Path, FsPermission, boolean) except that the Path f must be fully qualified and the permission is absolute (i.e.
mkdir(Path, FsPermission, boolean) - Method in class org.apache.hadoop.fs.FileContext
创建目录及其所有不存在的父目录。
mkdir(Path, FsPermission, boolean) - Method in class org.apache.hadoop.fs.viewfs.ViewFs
 
mkdirs(Path, FsPermission) - Method in class org.apache.hadoop.fs.adl.AdlFileSystem
将给定文件及其所有不存在的父目录创建为目录。
mkdirs(Path, FsPermission) - Method in class org.apache.hadoop.fs.azure.NativeAzureFileSystem
 
mkdirs(Path, FsPermission, boolean) - Method in class org.apache.hadoop.fs.azure.NativeAzureFileSystem
 
mkdirs(Path) - Method in class org.apache.hadoop.fs.ChecksumFileSystem
 
mkdirs(FileSystem, Path, FsPermission) - Static method in class org.apache.hadoop.fs.FileSystem
使用提供的权限创建一个目录。
mkdirs(Path) - Method in class org.apache.hadoop.fs.FileSystem
Call FileSystem.mkdirs(Path, FsPermission) with default permission.
mkdirs(Path, FsPermission) - Method in class org.apache.hadoop.fs.FileSystem
将给定文件及其所有不存在的父目录创建为目录。
mkdirs(Path, FsPermission) - Method in class org.apache.hadoop.fs.FilterFileSystem
 
mkdirs(Path) - Method in class org.apache.hadoop.fs.FilterFileSystem
 
mkdirs(Path, FsPermission) - Method in class org.apache.hadoop.fs.ftp.FTPFileSystem
 
mkdirs(Path) - Method in class org.apache.hadoop.fs.RawLocalFileSystem
创建指定的目录层级结构。
mkdirs(Path, FsPermission) - Method in class org.apache.hadoop.fs.RawLocalFileSystem
 
mkdirs(Path, FsPermission) - Method in class org.apache.hadoop.fs.s3native.NativeS3FileSystem
Deprecated.
 
mkdirs(Path) - Method in class org.apache.hadoop.fs.viewfs.ViewFileSystem
 
mkdirs(Path, FsPermission) - Method in class org.apache.hadoop.fs.viewfs.ViewFileSystem
 
mknode(String, boolean) - Method in interface org.apache.hadoop.registry.client.api.RegistryOperations
创建一个路径。
mknode(String, boolean) - Method in class org.apache.hadoop.registry.client.impl.zk.RegistryOperationsService
 
mkOneDir(File) - Method in class org.apache.hadoop.fs.RawLocalFileSystem
 
mkOneDirWithMode(Path, File, FsPermission) - Method in class org.apache.hadoop.fs.RawLocalFileSystem
 
modifyAclEntries(Path, List) - Method in class org.apache.hadoop.fs.AbstractFileSystem
修改文件和目录的ACL条目。
modifyAclEntries(Path, List) - Method in class org.apache.hadoop.fs.adl.AdlFileSystem
修改文件和目录的ACL条目。
modifyAclEntries(Path, List, TracingContext) - Method in class org.apache.hadoop.fs.azurebfs.AzureBlobFileSystemStore
 
modifyAclEntries(Path, List) - Method in class org.apache.hadoop.fs.ChecksumFileSystem
 
modifyAclEntries(Path, List) - Method in class org.apache.hadoop.fs.FileContext
修改文件和目录的ACL条目。
modifyAclEntries(Path, List) - Method in class org.apache.hadoop.fs.FileSystem
修改文件和目录的ACL条目。
modifyAclEntries(Path, List) - Method in class org.apache.hadoop.fs.FilterFileSystem
 
modifyAclEntries(Path, List) - Method in class org.apache.hadoop.fs.viewfs.ViewFileSystem
 
modifyAclEntries(Path, List) - Method in class org.apache.hadoop.fs.viewfs.ViewFs
 
modifyCacheDirective(CacheDirectiveInfo, EnumSet) - Method in class org.apache.hadoop.hdfs.client.HdfsAdmin
修改缓存指令。
modifyCachePool(CachePoolInfo) - Method in class org.apache.hadoop.hdfs.client.HdfsAdmin
修改现有的缓存池。
monitorAndPrintJob(JobConf, RunningJob) - Method in class org.apache.hadoop.mapred.JobClient
监控作业并在进度推进和任务失败时实时打印状态。
monitorAndPrintJob() - Method in class org.apache.hadoop.mapreduce.Job
监控作业并在进度推进和任务失败时实时打印状态。
monitorHealth() - Method in interface org.apache.hadoop.ha.HAServiceProtocol
监控服务的健康状况。
monitorHealth(HAServiceProtocol, HAServiceProtocol.StateChangeRequestInfo) - Static method in class org.apache.hadoop.ha.HAServiceProtocolHelper
 
MonotonicClock - Class in org.apache.hadoop.yarn.util
一个单调时钟,基于过去的某个任意时间基准,以毫秒为单位计数,不受settimeofday或类似系统时钟更改的影响。
MonotonicClock() - Constructor for class org.apache.hadoop.yarn.util.MonotonicClock
 
moveApplicationAcrossQueues(MoveApplicationAcrossQueuesRequest) - Method in interface org.apache.hadoop.yarn.api.ApplicationClientProtocol
将应用程序移至新队列。
moveApplicationAcrossQueues(ApplicationId, String) - Method in class org.apache.hadoop.yarn.client.api.YarnClient
尝试将给定的应用程序移动到指定的队列。
MoveApplicationAcrossQueuesRequest - Class in org.apache.hadoop.yarn.api.protocolrecords
The request sent by the client to the ResourceManager to move a submitted application to a different queue.
MoveApplicationAcrossQueuesRequest() - Constructor for class org.apache.hadoop.yarn.api.protocolrecords.MoveApplicationAcrossQueuesRequest
 
MoveApplicationAcrossQueuesResponse - Class in org.apache.hadoop.yarn.api.protocolrecords
The response sent by the ResourceManager to the client moving a submitted application to a different queue.
MoveApplicationAcrossQueuesResponse() - Constructor for class org.apache.hadoop.yarn.api.protocolrecords.MoveApplicationAcrossQueuesResponse
 
moveFromLocalFile(Path[], Path) - Method in class org.apache.hadoop.fs.FileSystem
源文件位于本地磁盘上。
moveFromLocalFile(Path, Path) - Method in class org.apache.hadoop.fs.FileSystem
源文件位于本地磁盘上。
moveFromLocalFile(Path, Path) - Method in class org.apache.hadoop.fs.RawLocalFileSystem
 
moveToAppropriateTrash(FileSystem, Path, Configuration) - Static method in class org.apache.hadoop.fs.回收站
如果存在符号链接或挂载点,必须删除路径p所在的实际卷中的相应回收站。
moveToDoneExecutor - Variable in class org.apache.hadoop.mapreduce.v2.hs.HistoryFileManager
 
moveToLocalFile(Path, Path) - Method in class org.apache.hadoop.fs.FileSystem
将文件复制到本地文件系统,然后从远程文件系统中删除(如果成功复制)。
moveToTrash(Path) - Method in class org.apache.hadoop.fs.回收站
将文件或目录移动到当前回收站目录。
moveToTrash(Path) - Method in class org.apache.hadoop.fs.TrashPolicy
将文件或目录移动到当前回收站目录。
MSI_PORT - Static variable in class org.apache.hadoop.fs.adl.AdlConfKeys
 
msync() - Method in class org.apache.hadoop.fs.AbstractFileSystem
同步客户端元数据状态。
msync() - Method in class org.apache.hadoop.fs.FileContext
同步客户端元数据状态。
msync() - Method in class org.apache.hadoop.fs.FileSystem
同步客户端元数据状态。
msync() - Method in class org.apache.hadoop.fs.FilterFileSystem
 
MultiFileInputFormat<K,V> - Class in org.apache.hadoop.mapred
MultiFileInputFormat() - Constructor for class org.apache.hadoop.mapred.MultiFileInputFormat
 
MultiFileSplit - Class in org.apache.hadoop.mapred
输入文件的子集合。
MultiFileSplit(JobConf, Path[], long[]) - Constructor for class org.apache.hadoop.mapred.MultiFileSplit
 
MultiFilterRecordReader<K extends WritableComparable,V extends Writable> - Class in org.apache.hadoop.mapred.join
Composite join 的基类,返回从多个来源派生的值,但通常不是元组。
MultiFilterRecordReader(int, JobConf, int, Class) - Constructor for class org.apache.hadoop.mapred.join.MultiFilterRecordReader
 
MultiFilterRecordReader<K extends WritableComparable<?>,V extends Writable> - Class in org.apache.hadoop.mapreduce.lib.join
Composite join 的基类,返回从多个来源派生的值,但通常不是元组。
MultiFilterRecordReader(int, Configuration, int, Class) - Constructor for class org.apache.hadoop.mapreduce.lib.join.MultiFilterRecordReader
 
MultiObjectDeleteException - Exception in org.apache.hadoop.fs.s3a.impl
Exception raised in S3AFileSystem.deleteObjects(software.amazon.awssdk.services.s3.model.DeleteObjectsRequest) when one or more of the keys could not be deleted.
MultiObjectDeleteException(List) - Constructor for exception org.apache.hadoop.fs.s3a.impl.MultiObjectDeleteException
 
MULTIPART_MIN_SIZE - Static variable in class org.apache.hadoop.fs.s3a.常量
S3支持的最小多部分大小。
MULTIPART_SIZE - Static variable in class org.apache.hadoop.fs.s3a.常量
 
MULTIPART_UPLOAD_ABORT_UNDER_PATH_INVOKED - Static variable in class org.apache.hadoop.fs.statistics.StoreStatisticNames
 
MULTIPART_UPLOAD_ABORTED - Static variable in class org.apache.hadoop.fs.statistics.StoreStatisticNames
 
MULTIPART_UPLOAD_COMPLETED - Static variable in class org.apache.hadoop.fs.statistics.StoreStatisticNames
 
MULTIPART_UPLOAD_INSTANTIATED - Static variable in class org.apache.hadoop.fs.statistics.StoreStatisticNames
 
MULTIPART_UPLOAD_LIST - Static variable in class org.apache.hadoop.fs.statistics.StoreStatisticNames
 
MULTIPART_UPLOAD_PART_PUT - Static variable in class org.apache.hadoop.fs.statistics.StoreStatisticNames
 
MULTIPART_UPLOAD_PART_PUT_BYTES - Static variable in class org.apache.hadoop.fs.statistics.StoreStatisticNames
 
MULTIPART_UPLOAD_STARTED - Static variable in class org.apache.hadoop.fs.statistics.StoreStatisticNames
 
MULTIPART_UPLOADS_ENABLED - Static variable in class org.apache.hadoop.fs.s3a.常量
启用或禁用多部分上传的选项。
MultipartUploader - Interface in org.apache.hadoop.fs
MultipartUploader是一个用于跨节点分块复制文件的接口。
MultipartUploaderBuilderImpl<S extends MultipartUploader,B extends org.apache.hadoop.fs.MultipartUploaderBuilder<S,B>> - Class in org.apache.hadoop.fs.impl
Builder for MultipartUploader implementations.
MultipartUploaderBuilderImpl(FileContext, Path) - Constructor for class org.apache.hadoop.fs.impl.MultipartUploaderBuilderImpl
Construct from a FileContext.
MultipartUploaderBuilderImpl(FileSystem, Path) - Constructor for class org.apache.hadoop.fs.impl.MultipartUploaderBuilderImpl
构造函数。
MultipleArcTransition<OPERAND,EVENTO,STATE extends Enum<STATE>> - Interface in org.apache.hadoop.yarn.state
过渡钩子。
MultipleInputs - Class in org.apache.hadoop.mapred.lib
This class supports MapReduce jobs that have multiple input paths with a different InputFormat and Mapper for each path
MultipleInputs() - Constructor for class org.apache.hadoop.mapred.lib.MultipleInputs
 
MultipleInputs - Class in org.apache.hadoop.mapreduce.lib.input
This class supports MapReduce jobs that have multiple input paths with a different InputFormat and Mapper for each path
MultipleInputs() - Constructor for class org.apache.hadoop.mapreduce.lib.input.MultipleInputs
 
MultipleIOException - Exception in org.apache.hadoop.io
Encapsulate a list of IOException into an IOException
MultipleOutputFormat<K,V> - Class in org.apache.hadoop.mapred.lib
这个抽象类扩展了FileOutputFormat,允许将输出数据写入不同的输出文件。
MultipleOutputFormat() - Constructor for class org.apache.hadoop.mapred.lib.MultipleOutputFormat
 
MultipleOutputs - Class in org.apache.hadoop.mapred.lib
The MultipleOutputs class simplifies writing to additional outputs other than the job default output via the OutputCollector passed to the map() and reduce() methods of the Mapper and Reducer implementations.
MultipleOutputs(JobConf) - Constructor for class org.apache.hadoop.mapred.lib.MultipleOutputs
创建并初始化多个命名输出支持,应在Mapper/Reducer的配置方法中进行实例化。
MultipleOutputs<KEYOUT,VALUEOUT> - Class in org.apache.hadoop.mapreduce.lib.output
MultipleOutputs类简化了向多个输出写入数据的过程
MultipleOutputs(TaskInputOutputContext) - Constructor for class org.apache.hadoop.mapreduce.lib.output.MultipleOutputs
创建并初始化多输出支持,应在Mapper/Reducer的setup方法中实例化。
MultipleSequenceFileOutputFormat<K,V> - Class in org.apache.hadoop.mapred.lib
该类继承自MultipleOutputFormat,允许将输出数据以序列文件输出格式写入不同的输出文件中。
MultipleSequenceFileOutputFormat() - Constructor for class org.apache.hadoop.mapred.lib.MultipleSequenceFileOutputFormat
 
MultipleTextOutputFormat<K,V> - Class in org.apache.hadoop.mapred.lib
该类继承自MultipleOutputFormat,允许将输出数据以文本格式写入不同的输出文件中。
MultipleTextOutputFormat() - Constructor for class org.apache.hadoop.mapred.lib.MultipleTextOutputFormat
 
MultithreadedMapper<K1,V1,K2,V2> - Class in org.apache.hadoop.mapreduce.lib.map
@link org.apache.hadoop.mapreduce.Mapper 的多线程实现。
MultithreadedMapper() - Constructor for class org.apache.hadoop.mapreduce.lib.map.MultithreadedMapper
 
MultithreadedMapRunner<K1,V1,K2,V2> - Class in org.apache.hadoop.mapred.lib
Multithreaded implementation for MapRunnable.
MultithreadedMapRunner() - Constructor for class org.apache.hadoop.mapred.lib.MultithreadedMapRunner
 
must(String, String) - Method in interface org.apache.hadoop.fs.FSBuilder
为构建器设置必选选项。
must(String, boolean) - Method in interface org.apache.hadoop.fs.FSBuilder
设置必选的布尔选项。
must(String, int) - Method in interface org.apache.hadoop.fs.FSBuilder
设置必填的整型选项。
must(String, float) - Method in interface org.apache.hadoop.fs.FSBuilder
Deprecated.
use FSBuilder.mustDouble(String, double) to set floating point.
must(String, long) - Method in interface org.apache.hadoop.fs.FSBuilder
Deprecated.
must(String, double) - Method in interface org.apache.hadoop.fs.FSBuilder
Deprecated.
must(String, String...) - Method in interface org.apache.hadoop.fs.FSBuilder
将字符串数组设置为必填选项。
must(String, String) - Method in class org.apache.hadoop.fs.impl.AbstractFSBuilderImpl
为构建器设置必填选项。
must(String, boolean) - Method in class org.apache.hadoop.fs.impl.AbstractFSBuilderImpl
设置必选的布尔选项。
must(String, int) - Method in class org.apache.hadoop.fs.impl.AbstractFSBuilderImpl
设置必选的整型选项。
must(String, long) - Method in class org.apache.hadoop.fs.impl.AbstractFSBuilderImpl
 
must(String, float) - Method in class org.apache.hadoop.fs.impl.AbstractFSBuilderImpl
 
must(String, double) - Method in class org.apache.hadoop.fs.impl.AbstractFSBuilderImpl
 
must(String, String...) - Method in class org.apache.hadoop.fs.impl.AbstractFSBuilderImpl
将字符串数组设置为必填选项。
mustDouble(String, double) - Method in interface org.apache.hadoop.fs.FSBuilder
为构建器设置必需的双精度参数。
mustDouble(String, double) - Method in class org.apache.hadoop.fs.impl.AbstractFSBuilderImpl
为构建器设置可选的双精度参数。
mustLong(String, long) - Method in interface org.apache.hadoop.fs.FSBuilder
为构建器设置必需的long类型参数。
mustLong(String, long) - Method in class org.apache.hadoop.fs.impl.AbstractFSBuilderImpl
 
MutableCounter - Class in org.apache.hadoop.metrics2.lib
可变计数器(单调递增)指标接口
MutableCounter(MetricsInfo) - Constructor for class org.apache.hadoop.metrics2.lib.MutableCounter
 
MutableCounterInt - Class in org.apache.hadoop.metrics2.lib
一个可变的整数计数器,用于实现指标源
MutableCounterLong - Class in org.apache.hadoop.metrics2.lib
一个可变的long计数器
MutableCounterLong(MetricsInfo, long) - Constructor for class org.apache.hadoop.metrics2.lib.MutableCounterLong
 
MutableGauge - Class in org.apache.hadoop.metrics2.lib
可变仪表指标接口
MutableGauge(MetricsInfo) - Constructor for class org.apache.hadoop.metrics2.lib.MutableGauge
 
MutableGaugeInt - Class in org.apache.hadoop.metrics2.lib
一个可变的整数计量器
MutableGaugeLong - Class in org.apache.hadoop.metrics2.lib
一个可变的long型计量器
MutableInverseQuantiles - Class in org.apache.hadoop.metrics2.lib
监控一个长整型数值流,在线维护特定分位数的估计值,并保证可证明的低误差边界。
MutableInverseQuantiles(String, String, String, String, int) - Constructor for class org.apache.hadoop.metrics2.lib.MutableInverseQuantiles
Instantiates a new MutableInverseQuantiles for a metric that rolls itself over on the specified time interval.
MutableMetric - Class in org.apache.hadoop.metrics2.lib
可变指标接口
MutableMetric() - Constructor for class org.apache.hadoop.metrics2.lib.MutableMetric
 
MutableQuantiles - Class in org.apache.hadoop.metrics2.lib
监控一个长整型数值流,在线维护特定分位数的估计值,并保证可证明的低误差边界。
MutableQuantiles(String, String, String, String, int) - Constructor for class org.apache.hadoop.metrics2.lib.MutableQuantiles
Instantiates a new MutableQuantiles for a metric that rolls itself over on the specified time interval.
MutableQuantiles() - Constructor for class org.apache.hadoop.metrics2.lib.MutableQuantiles
 
MutableRate - Class in org.apache.hadoop.metrics2.lib
用于吞吐量测量的便捷可变指标
MutableRates - Class in org.apache.hadoop.metrics2.lib
用于管理一组可变速率指标的辅助类 该类同步对其包含指标的所有访问,因此不适用于指标争用激烈的情况。
MutableRatesWithAggregation - Class in org.apache.hadoop.metrics2.lib
用于管理一组可变速率指标的辅助类。
MutableRatesWithAggregation() - Constructor for class org.apache.hadoop.metrics2.lib.MutableRatesWithAggregation
 
MutableRollingAverages - Class in org.apache.hadoop.metrics2.lib
该类维护一组滚动平均指标。
MutableRollingAverages(String) - Constructor for class org.apache.hadoop.metrics2.lib.MutableRollingAverages
Constructor for MutableRollingAverages.
MutableStat - Class in org.apache.hadoop.metrics2.lib
一个带有统计信息的可变指标。
MutableStat(String, String, String, String, boolean) - Constructor for class org.apache.hadoop.metrics2.lib.MutableStat
构建一个样本统计指标
MutableStat(String, String, String, String) - Constructor for class org.apache.hadoop.metrics2.lib.MutableStat
默认情况下,构建一个关闭扩展统计的快照状态指标
MySQLDataDrivenDBRecordReader<T extends DBWritable> - Class in org.apache.hadoop.mapreduce.lib.db
一个通过DataDrivenDBRecordReader从MySQL表读取记录的RecordReader
MySQLDataDrivenDBRecordReader(DBInputFormat.DBInputSplit, Class, Configuration, Connection, DBConfiguration, String, String[], String) - Constructor for class org.apache.hadoop.mapreduce.lib.db.MySQLDataDrivenDBRecordReader
 
MySQLDBRecordReader<T extends DBWritable> - Class in org.apache.hadoop.mapreduce.lib.db
一个从MySQL表中读取记录的RecordReader。
MySQLDBRecordReader(DBInputFormat.DBInputSplit, Class, Configuration, Connection, DBConfiguration, String, String[], String) - Constructor for class org.apache.hadoop.mapreduce.lib.db.MySQLDBRecordReader
 

N

NAME - Static variable in class org.apache.hadoop.fs.azurebfs.commit.AzureManifestCommitterFactory
类名,可以在作业配置中声明。
NAME - Static variable in class org.apache.hadoop.fs.s3a.auth.AssumedRoleCredentialProvider
 
NAME - Static variable in class org.apache.hadoop.fs.s3a.commit.magic.MagicS3GuardCommitter
名称: "magic".
NAME - Static variable in class org.apache.hadoop.fs.s3a.select.SelectConstants
Deprecated.
 
NAME - Static variable in class org.apache.hadoop.fs.s3a.SimpleAWSCredentialsProvider
 
NAME - Static variable in class org.apache.hadoop.fs.s3a.TemporaryAWSCredentialsProvider
 
name() - Method in class org.apache.hadoop.mapred.nativetask.Platform
 
NAME - Static variable in class org.apache.hadoop.mapreduce.lib.output.BindingPathOutputCommitter
配置中使用的类名。
NAME - Static variable in class org.apache.hadoop.mapreduce.lib.output.committer.manifest.files.ManifestSuccessData
包含在持久化数据中的名称,用于与其他任何清单区分:"org.apache.hadoop.fs.s3a.commit.files.SuccessData/1"。
NAME - Static variable in class org.apache.hadoop.mapreduce.lib.output.committer.manifest.ManifestCommitterFactory
该工厂的名称。
name() - Method in class org.apache.hadoop.metrics2.AbstractMetric
 
name() - Method in interface org.apache.hadoop.metrics2.MetricsInfo
Typically name corresponds to annotation Metric.value() or the name of the class.
name() - Method in interface org.apache.hadoop.metrics2.MetricsRecord
 
name() - Method in class org.apache.hadoop.metrics2.MetricsTag
 
name(String) - Method in class org.apache.hadoop.yarn.service.api.records.组件
服务组件的名称(必填)。
name(String) - Method in class org.apache.hadoop.yarn.service.api.records.ComponentContainers
服务组件的名称。
name(String) - Method in class org.apache.hadoop.yarn.service.api.records.PlacementConstraint
与此约束关联的可选名称。
name(String) - Method in class org.apache.hadoop.yarn.service.api.records.Service
唯一的服务名称。
NAMED_COMMITTER_CLASS - Static variable in class org.apache.hadoop.mapreduce.lib.output.PathOutputCommitterFactory
命名的输出提交器。
NAMED_COMMITTER_FACTORY - Static variable in class org.apache.hadoop.mapreduce.lib.output.PathOutputCommitterFactory
The FileOutputCommitter factory.
NAMENODE_SERVICERPC_ADDR_ARG - Static variable in class org.apache.hadoop.tools.dynamometer.Client
 
NativeAzureFileSystem - Class in org.apache.hadoop.fs.azure
A FileSystem for reading and writing files stored on Windows Azure.
NativeAzureFileSystem() - Constructor for class org.apache.hadoop.fs.azure.NativeAzureFileSystem
 
NativeAzureFileSystem(NativeFileSystemStore) - Constructor for class org.apache.hadoop.fs.azure.NativeAzureFileSystem
 
NativeS3FileSystem - Class in org.apache.hadoop.fs.s3native
Deprecated.
Replaced by the S3A client.
NativeS3FileSystem() - Constructor for class org.apache.hadoop.fs.s3native.NativeS3FileSystem
Deprecated.
 
NATURAL_ORDER - Static variable in class org.apache.hadoop.mapreduce.lib.partition.TotalOrderPartitioner
 
needsDictionary() - Method in interface org.apache.hadoop.io.compress.Decompressor
Returns true if a preset dictionary is needed for decompression.
needsInput() - Method in interface org.apache.hadoop.io.compress.Compressor
如果输入数据缓冲区为空且需要调用#setInput()来提供更多输入,则返回true。
needsInput() - Method in interface org.apache.hadoop.io.compress.Decompressor
Returns true if the input data buffer is empty and Decompressor.setInput(byte[], int, int) should be called to provide more input.
needsPassword() - Method in class org.apache.hadoop.crypto.key.KeyProvider
此提供商是否需要密码?这意味着正常运行需要密码,但通过常规方式尚未找到。
needsPassword() - Method in class org.apache.hadoop.security.alias.CredentialProvider
此提供商是否需要密码?这意味着正常运行需要密码,但通过常规方式尚未找到。
needsTaskCommit(TaskAttemptContext) - Method in class org.apache.hadoop.fs.s3a.commit.magic.MagicS3GuardCommitter
该任务是否在工作目录中写入任何文件? 通过检查尝试目录是否存在来探测任务是否存在。
needsTaskCommit(TaskAttemptContext) - Method in class org.apache.hadoop.mapred.FileOutputCommitter
 
needsTaskCommit(TaskAttemptContext) - Method in class org.apache.hadoop.mapred.OutputCommitter
检查任务是否需要提交。
needsTaskCommit(TaskAttemptContext) - Method in class org.apache.hadoop.mapred.OutputCommitter
该方法通过调用旧方法实现了新接口。
needsTaskCommit(TaskAttemptContext) - Method in class org.apache.hadoop.mapreduce.lib.output.BindingPathOutputCommitter
 
needsTaskCommit(TaskAttemptContext) - Method in class org.apache.hadoop.mapreduce.lib.output.committer.manifest.ManifestCommitter
始终返回true。
needsTaskCommit(TaskAttemptContext) - Method in class org.apache.hadoop.mapreduce.lib.output.FileOutputCommitter
该任务是否在工作目录中写入了任何文件?
needsTaskCommit(TaskAttemptContext) - Method in class org.apache.hadoop.mapreduce.OutputCommitter
检查任务是否需要提交。
NET_DEPENDENCY_SCRIPT_FILE_NAME_KEY - Static variable in class org.apache.hadoop.fs.CommonConfigurationKeysPublic
 
NET_TOPOLOGY_IMPL_KEY - Static variable in class org.apache.hadoop.fs.CommonConfigurationKeysPublic
 
NET_TOPOLOGY_NODE_SWITCH_MAPPING_IMPL_KEY - Static variable in class org.apache.hadoop.fs.CommonConfigurationKeysPublic
 
NET_TOPOLOGY_SCRIPT_FILE_NAME_KEY - Static variable in class org.apache.hadoop.fs.CommonConfigurationKeysPublic
 
NET_TOPOLOGY_SCRIPT_NUMBER_ARGS_DEFAULT - Static variable in class org.apache.hadoop.fs.CommonConfigurationKeysPublic
NET_TOPOLOGY_SCRIPT_NUMBER_ARGS_KEY的默认值
NET_TOPOLOGY_SCRIPT_NUMBER_ARGS_KEY - Static variable in class org.apache.hadoop.fs.CommonConfigurationKeysPublic
 
NET_TOPOLOGY_TABLE_MAPPING_FILE_KEY - Static variable in class org.apache.hadoop.fs.CommonConfigurationKeysPublic
 
NEVER_RETRY_CONTEXT - Static variable in class org.apache.hadoop.yarn.api.records.ContainerRetryContext
 
newBuilder() - Static method in class org.apache.hadoop.yarn.api.protocolrecords.AllocateRequest
 
newBuilder() - Static method in class org.apache.hadoop.yarn.api.records.ResourceRequest
 
newBuilder() - Static method in class org.apache.hadoop.yarn.api.records.SchedulingRequest
 
newContainerId(ApplicationAttemptId, long) - Static method in class org.apache.hadoop.yarn.api.records.ContainerId
 
newCounter(String, String, int) - Method in class org.apache.hadoop.metrics2.lib.MetricsRegistry
创建一个可变整数计数器
newCounter(MetricsInfo, int) - Method in class org.apache.hadoop.metrics2.lib.MetricsRegistry
创建一个可变整数计数器
newCounter(String, String, long) - Method in class org.apache.hadoop.metrics2.lib.MetricsRegistry
创建一个可变的长整型计数器
newCounter(MetricsInfo, long) - Method in class org.apache.hadoop.metrics2.lib.MetricsRegistry
创建一个可变的长整型计数器
newDefaultInformation(String, String, long) - Static method in class org.apache.hadoop.yarn.api.records.Resource
使用基本字段创建ResourceInformation。
newGauge(String, String, int) - Method in class org.apache.hadoop.metrics2.lib.MetricsRegistry
创建一个可变整数计量器
newGauge(MetricsInfo, int) - Method in class org.apache.hadoop.metrics2.lib.MetricsRegistry
创建一个可变整数计量器
newGauge(String, String, long) - Method in class org.apache.hadoop.metrics2.lib.MetricsRegistry
创建一个可变长整型计量器
newGauge(MetricsInfo, long) - Method in class org.apache.hadoop.metrics2.lib.MetricsRegistry
创建一个可变长整型计量器
newGauge(String, String, float) - Method in class org.apache.hadoop.metrics2.lib.MetricsRegistry
创建一个可变的浮点型计量器
newGauge(MetricsInfo, float) - Method in class org.apache.hadoop.metrics2.lib.MetricsRegistry
创建一个可变的浮点型计量器
newInstance(URI, Configuration, String) - Static method in class org.apache.hadoop.fs.FileSystem
返回针对此URI方案和权限以及给定用户的FileSystem。
newInstance(URI, Configuration) - Static method in class org.apache.hadoop.fs.FileSystem
返回该URI方案和权限对应的文件系统。
newInstance(Configuration) - Static method in class org.apache.hadoop.fs.FileSystem
返回一个唯一配置的FileSystem实现,用于所提供配置的默认文件系统。
newInstance(Class, Configuration) - Static method in class org.apache.hadoop.io.WritableFactories
使用定义的工厂创建一个类的新实例。
newInstance(Class) - Static method in class org.apache.hadoop.io.WritableFactories
使用定义的工厂创建类的新实例。
newInstance() - Method in interface org.apache.hadoop.io.WritableFactory
 
newInstance(Class, Configuration) - Static method in class org.apache.hadoop.util.ReflectionUtils
为给定类创建一个对象,并从配置中初始化它
newInstance(Class, Configuration, Class[], Object...) - Static method in class org.apache.hadoop.util.ReflectionUtils
为给定类创建一个对象,并从配置中初始化它
newInstance() - Static method in class org.apache.hadoop.util.SysInfo
返回默认的操作系统实例。
newInstance(int, float, List, List, ResourceBlacklistRequest) - Static method in class org.apache.hadoop.yarn.api.protocolrecords.AllocateRequest
 
newInstance(int, float, List, List, ResourceBlacklistRequest, String) - Static method in class org.apache.hadoop.yarn.api.protocolrecords.AllocateRequest
 
newInstance(int, float, List, List, List, ResourceBlacklistRequest) - Static method in class org.apache.hadoop.yarn.api.protocolrecords.AllocateRequest
 
newInstance(int, List, List, List, Resource, AMCommand, int, PreemptionMessage, List) - Static method in class org.apache.hadoop.yarn.api.protocolrecords.AllocateResponse
 
newInstance(int, List, List, List, Resource, AMCommand, int, PreemptionMessage, List, Token, List, CollectorInfo) - Static method in class org.apache.hadoop.yarn.api.protocolrecords.AllocateResponse
 
newInstance(List) - Static method in class org.apache.hadoop.yarn.api.protocolrecords.ContainerUpdateRequest
 
newInstance(List, Map) - Static method in class org.apache.hadoop.yarn.api.protocolrecords.ContainerUpdateResponse
 
newInstance(ApplicationAttemptId) - Static method in class org.apache.hadoop.yarn.api.protocolrecords.FailApplicationAttemptRequest
 
newInstance(FinalApplicationStatus, String, String) - Static method in class org.apache.hadoop.yarn.api.protocolrecords.FinishApplicationMasterRequest
 
newInstance() - Static method in class org.apache.hadoop.yarn.api.protocolrecords.GetAllResourceProfilesRequest
 
newInstance() - Static method in class org.apache.hadoop.yarn.api.protocolrecords.GetAllResourceProfilesResponse
 
newInstance() - Static method in class org.apache.hadoop.yarn.api.protocolrecords.GetAllResourceTypeInfoRequest
 
newInstance() - Static method in class org.apache.hadoop.yarn.api.protocolrecords.GetAllResourceTypeInfoResponse
 
newInstance(ApplicationAttemptId) - Static method in class org.apache.hadoop.yarn.api.protocolrecords.GetApplicationAttemptReportRequest
 
newInstance(ApplicationAttemptReport) - Static method in class org.apache.hadoop.yarn.api.protocolrecords.GetApplicationAttemptReportResponse
 
newInstance(ApplicationId) - Static method in class org.apache.hadoop.yarn.api.protocolrecords.GetApplicationAttemptsRequest
 
newInstance(List) - Static method in class org.apache.hadoop.yarn.api.protocolrecords.GetApplicationAttemptsResponse
 
newInstance(ApplicationId) - Static method in class org.apache.hadoop.yarn.api.protocolrecords.GetApplicationReportRequest
 
newInstance() - Static method in class org.apache.hadoop.yarn.api.protocolrecords.GetApplicationsRequest
 
newInstance(ApplicationsRequestScope, Set, Set, Set, Set, EnumSet, Range, Range, Long) - Static method in class org.apache.hadoop.yarn.api.protocolrecords.GetApplicationsRequest
The request from clients to get a report of Applications matching the giving application types in the cluster from the ResourceManager.
newInstance(ApplicationsRequestScope) - Static method in class org.apache.hadoop.yarn.api.protocolrecords.GetApplicationsRequest
The request from clients to get a report of Applications matching the giving application types in the cluster from the ResourceManager.
newInstance(Set) - Static method in class org.apache.hadoop.yarn.api.protocolrecords.GetApplicationsRequest
The request from clients to get a report of Applications matching the giving application types in the cluster from the ResourceManager.
newInstance(EnumSet) - Static method in class org.apache.hadoop.yarn.api.protocolrecords.GetApplicationsRequest
The request from clients to get a report of Applications matching the giving application states in the cluster from the ResourceManager.
newInstance(Set, EnumSet) - Static method in class org.apache.hadoop.yarn.api.protocolrecords.GetApplicationsRequest
The request from clients to get a report of Applications matching the giving and application types and application states in the cluster from the ResourceManager.
newInstance() - Static method in class org.apache.hadoop.yarn.api.protocolrecords.GetAttributesToNodesRequest
 
newInstance(Set) - Static method in class org.apache.hadoop.yarn.api.protocolrecords.GetAttributesToNodesRequest
 
newInstance(Map>) - Static method in class org.apache.hadoop.yarn.api.protocolrecords.GetAttributesToNodesResponse
 
newInstance() - Static method in class org.apache.hadoop.yarn.api.protocolrecords.GetClusterMetricsRequest
 
newInstance() - Static method in class org.apache.hadoop.yarn.api.protocolrecords.GetClusterNodeAttributesRequest
创建GetClusterNodeAttributesRequest的新实例。
newInstance(Set) - Static method in class org.apache.hadoop.yarn.api.protocolrecords.GetClusterNodeAttributesResponse
创建GetClusterNodeAttributesResponse的实例。
newInstance() - Static method in class org.apache.hadoop.yarn.api.protocolrecords.GetClusterNodeLabelsRequest
 
newInstance(Set) - Static method in class org.apache.hadoop.yarn.api.protocolrecords.GetClusterNodeLabelsResponse
newInstance(List) - Static method in class org.apache.hadoop.yarn.api.protocolrecords.GetClusterNodeLabelsResponse
 
newInstance(EnumSet) - Static method in class org.apache.hadoop.yarn.api.protocolrecords.GetClusterNodesRequest
 
newInstance() - Static method in class org.apache.hadoop.yarn.api.protocolrecords.GetClusterNodesRequest
 
newInstance(ContainerId) - Static method in class org.apache.hadoop.yarn.api.protocolrecords.GetContainerReportRequest
 
newInstance(ContainerReport) - Static method in class org.apache.hadoop.yarn.api.protocolrecords.GetContainerReportResponse
 
newInstance(ApplicationAttemptId) - Static method in class org.apache.hadoop.yarn.api.protocolrecords.GetContainersRequest
 
newInstance(List) - Static method in class org.apache.hadoop.yarn.api.protocolrecords.GetContainersResponse
 
newInstance(List) - Static method in class org.apache.hadoop.yarn.api.protocolrecords.GetContainerStatusesRequest
 
newInstance(String) - Static method in class org.apache.hadoop.yarn.api.protocolrecords.GetDelegationTokenRequest
 
newInstance(List) - Static method in class org.apache.hadoop.yarn.api.protocolrecords.GetLocalizationStatusesRequest
 
newInstance(Map>, Map) - Static method in class org.apache.hadoop.yarn.api.protocolrecords.GetLocalizationStatusesResponse
 
newInstance() - Static method in class org.apache.hadoop.yarn.api.protocolrecords.GetNewApplicationRequest
 
newInstance() - Static method in class org.apache.hadoop.yarn.api.protocolrecords.GetNewReservationRequest
 
newInstance(Set) - Static method in class org.apache.hadoop.yarn.api.protocolrecords.GetNodesToAttributesRequest
 
newInstance(Map>) - Static method in class org.apache.hadoop.yarn.api.protocolrecords.GetNodesToAttributesResponse
 
newInstance(String, boolean, boolean, boolean) - Static method in class org.apache.hadoop.yarn.api.protocolrecords.GetQueueInfoRequest
 
newInstance(String, boolean, boolean, boolean, String) - Static method in class org.apache.hadoop.yarn.api.protocolrecords.GetQueueInfoRequest
 
newInstance() - Static method in class org.apache.hadoop.yarn.api.protocolrecords.GetQueueUserAclsInfoRequest
 
newInstance(String) - Static method in class org.apache.hadoop.yarn.api.protocolrecords.GetResourceProfileRequest
 
newInstance() - Static method in class org.apache.hadoop.yarn.api.protocolrecords.GetResourceProfileResponse
 
newInstance(List) - Static method in class org.apache.hadoop.yarn.api.protocolrecords.IncreaseContainersResourceRequest
 
newInstance(ApplicationId) - Static method in class org.apache.hadoop.yarn.api.protocolrecords.KillApplicationRequest
 
newInstance(ApplicationId, String) - Static method in class org.apache.hadoop.yarn.api.protocolrecords.MoveApplicationAcrossQueuesRequest
 
newInstance(String, int, String) - Static method in class org.apache.hadoop.yarn.api.protocolrecords.RegisterApplicationMasterRequest
Create a new instance of RegisterApplicationMasterRequest.
newInstance(ContainerId, ContainerLaunchContext, boolean) - Static method in class org.apache.hadoop.yarn.api.protocolrecords.ReInitializeContainerRequest
创建一个新的ReInitializationContainerRequest实例。
newInstance(ReservationId) - Static method in class org.apache.hadoop.yarn.api.protocolrecords.ReservationDeleteRequest
 
newInstance(String, String, long, long, boolean) - Static method in class org.apache.hadoop.yarn.api.protocolrecords.ReservationListRequest
The ReservationListRequest will use the reservationId to search for reservations to list if it is provided.
newInstance(String, String, boolean) - Static method in class org.apache.hadoop.yarn.api.protocolrecords.ReservationListRequest
The ReservationListRequest will use the reservationId to search for reservations to list if it is provided.
newInstance(String, String) - Static method in class org.apache.hadoop.yarn.api.protocolrecords.ReservationListRequest
The ReservationListRequest will use the reservationId to search for reservations to list if it is provided.
newInstance(ReservationDefinition, String, ReservationId) - Static method in class org.apache.hadoop.yarn.api.protocolrecords.ReservationSubmissionRequest
 
newInstance(ReservationDefinition, ReservationId) - Static method in class org.apache.hadoop.yarn.api.protocolrecords.ReservationUpdateRequest
 
newInstance(ContainerId, Map) - Static method in class org.apache.hadoop.yarn.api.protocolrecords.ResourceLocalizationRequest
 
newInstance(ContainerId, SignalContainerCommand) - Static method in class org.apache.hadoop.yarn.api.protocolrecords.SignalContainerRequest
 
newInstance(ContainerLaunchContext, Token) - Static method in class org.apache.hadoop.yarn.api.protocolrecords.StartContainerRequest
 
newInstance(List) - Static method in class org.apache.hadoop.yarn.api.protocolrecords.StartContainersRequest
 
newInstance(List) - Static method in class org.apache.hadoop.yarn.api.protocolrecords.StopContainersRequest
 
newInstance(ApplicationSubmissionContext) - Static method in class org.apache.hadoop.yarn.api.protocolrecords.SubmitApplicationRequest
 
newInstance(ApplicationId, Priority) - Static method in class org.apache.hadoop.yarn.api.protocolrecords.UpdateApplicationPriorityRequest
 
newInstance(Priority) - Static method in class org.apache.hadoop.yarn.api.protocolrecords.UpdateApplicationPriorityResponse
 
newInstance(ApplicationId, Map) - Static method in class org.apache.hadoop.yarn.api.protocolrecords.UpdateApplicationTimeoutsRequest
 
newInstance() - Static method in class org.apache.hadoop.yarn.api.protocolrecords.UpdateApplicationTimeoutsResponse
 
newInstance(ApplicationId, int) - Static method in class org.apache.hadoop.yarn.api.records.ApplicationAttemptId
 
newInstance(ApplicationAttemptId, String, int, String, String, String, YarnApplicationAttemptState, ContainerId) - Static method in class org.apache.hadoop.yarn.api.records.ApplicationAttemptReport
 
newInstance(long, int) - Static method in class org.apache.hadoop.yarn.api.records.ApplicationId
 
newInstance(ApplicationId, String, String, Priority, ContainerLaunchContext, boolean, boolean, int, Resource, String, boolean, String, String) - Static method in class org.apache.hadoop.yarn.api.records.ApplicationSubmissionContext
 
newInstance(ApplicationId, String, String, Priority, ContainerLaunchContext, boolean, boolean, int, Resource, String, boolean) - Static method in class org.apache.hadoop.yarn.api.records.ApplicationSubmissionContext
 
newInstance(ApplicationId, String, String, Priority, ContainerLaunchContext, boolean, boolean, int, Resource, String) - Static method in class org.apache.hadoop.yarn.api.records.ApplicationSubmissionContext
 
newInstance(ApplicationId, String, String, Priority, ContainerLaunchContext, boolean, boolean, int, Resource) - Static method in class org.apache.hadoop.yarn.api.records.ApplicationSubmissionContext
 
newInstance(ApplicationId, String, String, ContainerLaunchContext, boolean, boolean, int, String, boolean, String, ResourceRequest) - Static method in class org.apache.hadoop.yarn.api.records.ApplicationSubmissionContext
 
newInstance(ApplicationId, String, String, Priority, ContainerLaunchContext, boolean, boolean, int, Resource, String, boolean, long) - Static method in class org.apache.hadoop.yarn.api.records.ApplicationSubmissionContext
 
newInstance(ApplicationId, String, String, Priority, ContainerLaunchContext, boolean, boolean, int, Resource, String, boolean, LogAggregationContext) - Static method in class org.apache.hadoop.yarn.api.records.ApplicationSubmissionContext
 
newInstance(ApplicationTimeoutType, String, long) - Static method in class org.apache.hadoop.yarn.api.records.ApplicationTimeout
 
newInstance(String) - Static method in class org.apache.hadoop.yarn.api.records.CollectorInfo
 
newInstance(String, Token) - Static method in class org.apache.hadoop.yarn.api.records.CollectorInfo
 
newInstance(Map, Map, List, Map, ByteBuffer, Map) - Static method in class org.apache.hadoop.yarn.api.records.ContainerLaunchContext
 
newInstance(Map, Map, List, Map, ByteBuffer, Map, ContainerRetryContext) - Static method in class org.apache.hadoop.yarn.api.records.ContainerLaunchContext
 
newInstance() - Static method in class org.apache.hadoop.yarn.api.records.ExecutionTypeRequest
 
newInstance(ExecutionType) - Static method in class org.apache.hadoop.yarn.api.records.ExecutionTypeRequest
 
newInstance(ExecutionType, boolean) - Static method in class org.apache.hadoop.yarn.api.records.ExecutionTypeRequest
 
newInstance(String, LocalizationState) - Static method in class org.apache.hadoop.yarn.api.records.LocalizationStatus
 
newInstance(String, LocalizationState, String) - Static method in class org.apache.hadoop.yarn.api.records.LocalizationStatus
 
newInstance(URL, LocalResourceType, LocalResourceVisibility, long, long, String) - Static method in class org.apache.hadoop.yarn.api.records.LocalResource
 
newInstance(URL, LocalResourceType, LocalResourceVisibility, long, long, String, boolean) - Static method in class org.apache.hadoop.yarn.api.records.LocalResource
 
newInstance(URL, LocalResourceType, LocalResourceVisibility, long, long) - Static method in class org.apache.hadoop.yarn.api.records.LocalResource
 
newInstance(URL, LocalResourceType, LocalResourceVisibility, long, long, boolean) - Static method in class org.apache.hadoop.yarn.api.records.LocalResource
 
newInstance(String, String) - Static method in class org.apache.hadoop.yarn.api.records.LogAggregationContext
 
newInstance(String, String, String, String) - Static method in class org.apache.hadoop.yarn.api.records.LogAggregationContext
 
newInstance(String, String, String, String, String, String) - Static method in class org.apache.hadoop.yarn.api.records.LogAggregationContext
 
newInstance(String, NodeAttributeType, String) - Static method in class org.apache.hadoop.yarn.api.records.NodeAttribute
 
newInstance(String, String, NodeAttributeType, String) - Static method in class org.apache.hadoop.yarn.api.records.NodeAttribute
 
newInstance(NodeAttribute) - Static method in class org.apache.hadoop.yarn.api.records.NodeAttributeInfo
 
newInstance(NodeAttributeKey, NodeAttributeType) - Static method in class org.apache.hadoop.yarn.api.records.NodeAttributeInfo
 
newInstance(String) - Static method in class org.apache.hadoop.yarn.api.records.NodeAttributeKey
 
newInstance(String, String) - Static method in class org.apache.hadoop.yarn.api.records.NodeAttributeKey
 
newInstance(String, int) - Static method in class org.apache.hadoop.yarn.api.records.NodeId
 
newInstance(String, String) - Static method in class org.apache.hadoop.yarn.api.records.NodeToAttributeValue
 
newInstance(int) - Static method in class org.apache.hadoop.yarn.api.records.优先级
 
newInstance(RejectionReason, SchedulingRequest) - Static method in class org.apache.hadoop.yarn.api.records.RejectedSchedulingRequest
创建新的RejectedSchedulingRequest。
newInstance(long, String, List, ReservationId, ReservationDefinition) - Static method in class org.apache.hadoop.yarn.api.records.ReservationAllocationState
 
newInstance(long, long, ReservationRequests, String, String, Priority) - Static method in class org.apache.hadoop.yarn.api.records.ReservationDefinition
 
newInstance(long, long, ReservationRequests, String) - Static method in class org.apache.hadoop.yarn.api.records.ReservationDefinition
 
newInstance(Resource, int) - Static method in class org.apache.hadoop.yarn.api.records.ReservationRequest
 
newInstance(Resource, int, int, long) - Static method in class org.apache.hadoop.yarn.api.records.ReservationRequest
 
newInstance(List, ReservationRequestInterpreter) - Static method in class org.apache.hadoop.yarn.api.records.ReservationRequests
 
newInstance(int, int) - Static method in class org.apache.hadoop.yarn.api.records.Resource
 
newInstance(long, int) - Static method in class org.apache.hadoop.yarn.api.records.Resource
 
newInstance(long, int, Map) - Static method in class org.apache.hadoop.yarn.api.records.Resource
Create a new Resource instance with the given CPU and memory values and additional resource values as set in the others parameter.
newInstance(long, long, Resource) - Static method in class org.apache.hadoop.yarn.api.records.ResourceAllocationRequest
 
newInstance(List, List) - Static method in class org.apache.hadoop.yarn.api.records.ResourceBlacklistRequest
 
newInstance(Resource, int) - Static method in class org.apache.hadoop.yarn.api.records.ResourceOption
 
newInstance(Priority, String, Resource, int) - Static method in class org.apache.hadoop.yarn.api.records.ResourceRequest
 
newInstance(Priority, String, Resource, int, boolean) - Static method in class org.apache.hadoop.yarn.api.records.ResourceRequest
 
newInstance(Priority, String, Resource, int, boolean, String) - Static method in class org.apache.hadoop.yarn.api.records.ResourceRequest
 
newInstance(Priority, String, Resource, int, boolean, String, ExecutionTypeRequest) - Static method in class org.apache.hadoop.yarn.api.records.ResourceRequest
 
newInstance(Resource) - Static method in class org.apache.hadoop.yarn.api.records.ResourceSizing
 
newInstance(int, Resource) - Static method in class org.apache.hadoop.yarn.api.records.ResourceSizing
 
newInstance(int, int, float) - Static method in class org.apache.hadoop.yarn.api.records.ResourceUtilization
 
newInstance(int, int, float, Map) - Static method in class org.apache.hadoop.yarn.api.records.ResourceUtilization
 
newInstance(ResourceUtilization) - Static method in class org.apache.hadoop.yarn.api.records.ResourceUtilization
 
newInstance(long, Priority, ExecutionTypeRequest, Set, ResourceSizing, PlacementConstraint) - Static method in class org.apache.hadoop.yarn.api.records.SchedulingRequest
 
newInstance(ApplicationId, String) - Static method in class org.apache.hadoop.yarn.api.records.timeline.TimelineEntityGroupId
 
newInstance(String, UpdateContainerRequest) - Static method in class org.apache.hadoop.yarn.api.records.UpdateContainerError
 
newInstance(int, ContainerId, ContainerUpdateType, Resource, ExecutionType) - Static method in class org.apache.hadoop.yarn.api.records.UpdateContainerRequest
 
newInstance(ContainerUpdateType, Container) - Static method in class org.apache.hadoop.yarn.api.records.UpdatedContainer
静态工厂方法。
newInstance(String, String, int, String) - Static method in class org.apache.hadoop.yarn.api.records.URL
 
newInstanceLocal(Configuration) - Static method in class org.apache.hadoop.fs.FileSystem
获取一个唯一的本地文件系统对象。
newInverseQuantiles(String, String, String, String, int) - Method in class org.apache.hadoop.metrics2.lib.MetricsRegistry
创建一个可变的反向指标,用于估计数值流的反向分位数
newKey() - Method in class org.apache.hadoop.io.WritableComparator
Construct a new WritableComparable instance.
newMetricsSourceName() - Static method in class org.apache.hadoop.fs.azure.NativeAzureFileSystem
创建一个在此进程内唯一的新指标源名称。
newMutableRollingAverages(String, String) - Method in class org.apache.hadoop.metrics2.lib.MetricsRegistry
 
newProxyInstanceFederation(YarnConfiguration, Class, RMProxy, RetryPolicy) - Static method in class org.apache.hadoop.yarn.client.RMProxy
 
newQuantiles(String, String, String, String, int) - Method in class org.apache.hadoop.metrics2.lib.MetricsRegistry
创建一个可变指标,用于估计数值流的分位数
newRate(String) - Method in class org.apache.hadoop.metrics2.lib.MetricsRegistry
创建一个可变速率指标
newRate(String, String) - Method in class org.apache.hadoop.metrics2.lib.MetricsRegistry
创建一个可变速率指标
newRate(String, String, boolean) - Method in class org.apache.hadoop.metrics2.lib.MetricsRegistry
创建一个可变速率指标(用于吞吐量测量)。
newRatesWithAggregation(String) - Method in class org.apache.hadoop.metrics2.lib.MetricsRegistry
 
newRecord(String, Class, boolean) - Method in class org.apache.hadoop.hdfs.server.federation.store.driver.impl.StateStoreSerializableImpl
从输入数据字符串创建记录。
newStat(String, String, String, String, boolean) - Method in class org.apache.hadoop.metrics2.lib.MetricsRegistry
创建一个带有统计信息的可变指标
newStat(String, String, String, String) - Method in class org.apache.hadoop.metrics2.lib.MetricsRegistry
创建一个带有统计信息的可变指标
next(K, TupleWritable) - Method in class org.apache.hadoop.mapred.join.JoinRecordReader
根据与此复合RR关联的子RecordReaders和操作,发出下一组键值对。
next(K, V) - Method in class org.apache.hadoop.mapred.join.MultiFilterRecordReader
从输入中读取下一个键/值对以供处理。
next() - Method in class org.apache.hadoop.mapred.join.WrappedRecordReader
读取下一个键值对到该对象的头部;当且仅当RR和当前对象耗尽时返回true。
next(K, U) - Method in class org.apache.hadoop.mapred.join.WrappedRecordReader
将键值对写入此流头部到提供的对象中;从代理RR获取下一个键值对。
next(Text, Text) - Method in class org.apache.hadoop.mapred.KeyValueLineRecordReader
读取一行中的键/值对。
next(K, V) - Method in class org.apache.hadoop.mapred.lib.CombineFileRecordReader
 
next(K, V) - Method in class org.apache.hadoop.mapred.lib.CombineFileRecordReaderWrapper
 
next(K, V) - Method in interface org.apache.hadoop.mapred.RecordReader
从输入中读取下一个键/值对进行处理。
next(Text, Text) - Method in class org.apache.hadoop.mapred.SequenceFileAsTextRecordReader
读取一行中的键/值对。
next(K, V) - Method in class org.apache.hadoop.mapred.SequenceFileRecordReader
 
next(K) - Method in class org.apache.hadoop.mapred.SequenceFileRecordReader
 
next(LongWritable, T) - Method in class org.apache.hadoop.mapreduce.lib.db.DBRecordReader
next(X) - Method in class org.apache.hadoop.mapreduce.lib.join.ArrayListBackedIterator
 
next(T) - Method in interface org.apache.hadoop.mapreduce.lib.join.ResetableIterator
将下一个值赋给实际值。
next(X) - Method in class org.apache.hadoop.mapreduce.lib.join.StreamBackedIterator
 
next() - Method in class org.apache.hadoop.mapreduce.MarkableIterator
 
next(AggregatedLogFormat.LogKey) - Method in class org.apache.hadoop.yarn.logaggregation.AggregatedLogFormat.LogReader
读取下一个键并返回值流。
nextCallId() - Static method in class org.apache.hadoop.ipc.Client
通过递增原子计数器并屏蔽符号位,返回下一个有效的顺序调用ID。
下一次刷新 - Variable in class org.apache.hadoop.metrics2.sink.RollingFileSystemSink
 
nextId() - Method in class org.apache.hadoop.hdfs.server.namenode.BlockResolver
 
nextId() - Method in class org.apache.hadoop.hdfs.server.namenode.FixedBlockResolver
 
nextKey() - Method in interface org.apache.hadoop.mapreduce.ReduceContext
开始处理下一个唯一键。
nextKeyValue() - Method in class org.apache.hadoop.mapreduce.lib.db.DBRecordReader
读取下一个键值对。
nextKeyValue() - Method in class org.apache.hadoop.mapreduce.lib.input.CombineFileRecordReader
 
nextKeyValue() - Method in class org.apache.hadoop.mapreduce.lib.input.CombineFileRecordReaderWrapper
 
nextKeyValue() - Method in class org.apache.hadoop.mapreduce.lib.input.KeyValueLineRecordReader
读取一行中的键/值对。
nextKeyValue() - Method in class org.apache.hadoop.mapreduce.lib.input.SequenceFileAsTextRecordReader
读取一行中的键/值对。
nextKeyValue() - Method in class org.apache.hadoop.mapreduce.lib.input.SequenceFileRecordReader
 
nextKeyValue() - Method in class org.apache.hadoop.mapreduce.lib.join.JoinRecordReader
根据与此复合RR关联的子RecordReaders和操作,发出下一组键值对。
nextKeyValue() - Method in class org.apache.hadoop.mapreduce.lib.join.MultiFilterRecordReader
读取下一个键值对。
nextKeyValue() - Method in class org.apache.hadoop.mapreduce.lib.join.WrappedRecordReader
读取下一个键值对到该对象的头部;当且仅当RR和当前对象耗尽时返回true。
nextKeyValue() - Method in class org.apache.hadoop.mapreduce.RecordReader
读取下一个键值对。
nextKeyValue() - Method in interface org.apache.hadoop.mapreduce.TaskInputOutputContext
前进到下一个键值对,如果到达末尾则返回null。
NLineInputFormat - Class in org.apache.hadoop.mapred.lib
NLineInputFormat 将输入的N行数据作为一个分片。
NLineInputFormat() - Constructor for class org.apache.hadoop.mapred.lib.NLineInputFormat
 
NLineInputFormat - Class in org.apache.hadoop.mapreduce.lib.input
NLineInputFormat 将输入的N行数据作为一个分片。
NLineInputFormat() - Constructor for class org.apache.hadoop.mapreduce.lib.input.NLineInputFormat
 
NM_ADDRESS - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
节点管理器IPC的地址。
NM_ADMIN_FORCE_PATH - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
将前置到用户路径的PATH组件。
NM_ADMIN_USER_ENV - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
将发送到容器的环境变量。
NM_AUX_SERVICE_FMT - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
NM_AUX_SERVICE_REMOTE_CLASSPATH - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
NM_AUX_SERVICES - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
NM_AUX_SERVICES_CLASSPATH - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
NM_AUX_SERVICES_MANIFEST - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
包含辅助服务规范的文件。
NM_AUX_SERVICES_MANIFEST_ENABLED - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
布尔值,表示是否启用了从清单加载辅助服务。
NM_AUX_SERVICES_MANIFEST_RELOAD_MS - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
当发现修改时,清单文件重新加载的时间间隔(0或更小表示不会检查文件的修改并重新加载)。
NM_AUX_SERVICES_SYSTEM_CLASSES - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
NM_BIND_HOST - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
NM的实际绑定地址。
NM_CLIENT_ASYNC_THREAD_POOL_MAX_SIZE - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
NMClientAsync中处理容器管理事件的最大线程数
NM_CLIENT_MAX_NM_PROXIES - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
节点管理器缓存的最大代理连接数。
NM_COLLECTOR_SERVICE_ADDRESS - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
收集器服务IPC的地址。
NM_COLLECTOR_SERVICE_THREAD_COUNT - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
容器管理器使用的线程数量。
NM_CONFIGURATION_FILES - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
NM_CONTAINER_DIAGNOSTICS_MAXIMUM_SIZE - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
为重新启动容器而保留的容器诊断信息最大大小。
NM_CONTAINER_EXECUTOR - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
谁将执行(启动)容器。
NM_CONTAINER_EXECUTOR_EXIT_FILE_TIMEOUT - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
NM_CONTAINER_EXECUTOR_SCHED_PRIORITY - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
调整容器操作系统的调度优先级。
NM_CONTAINER_LOCALIZER_ADMIN_JAVA_OPTS_DEFAULT - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
NM_CONTAINER_LOCALIZER_ADMIN_JAVA_OPTS_KEY - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
用于容器执行器在分叉ContainerLocalizer进程时使用的管理员JVM选项。
NM_CONTAINER_LOCALIZER_JAVA_OPTS_ADD_EXPORTS_DEFAULT - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
NM_CONTAINER_LOCALIZER_JAVA_OPTS_ADD_EXPORTS_KEY - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
NM_CONTAINER_LOCALIZER_JAVA_OPTS_DEFAULT - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
NM_CONTAINER_LOCALIZER_JAVA_OPTS_KEY - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
容器执行器用于分叉ContainerLocalizer进程的JVM选项。
NM_CONTAINER_LOCALIZER_LOG_LEVEL - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
容器本地化器进程的日志级别。
NM_CONTAINER_LOCALIZER_LOG_LEVEL_DEFAULT - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
NM_CONTAINER_LOG_DIR_SIZE_LIMIT_BYTES - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
单个容器日志目录的磁盘空间限制。
NM_CONTAINER_LOG_MON_INTERVAL_MS - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
监控容器生成日志的频率。
NM_CONTAINER_LOG_MONITOR_ENABLED - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
启用容器日志监控的开关。
NM_CONTAINER_LOG_TOTAL_SIZE_LIMIT_BYTES - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
容器所有日志的磁盘空间限制。
NM_CONTAINER_METRICS_ENABLE - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
启用/禁用容器指标。
NM_CONTAINER_METRICS_PERIOD_MS - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
容器指标刷新周期。
NM_CONTAINER_METRICS_UNREGISTER_DELAY_MS - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
容器完成后的指标注销延迟时间(毫秒)。
NM_CONTAINER_MGR_THREAD_COUNT - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
容器管理器使用的线程数。
NM_CONTAINER_MON_INTERVAL_MS - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
监控容器的频率。
NM_CONTAINER_MON_PROCESS_TREE - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
用于计算进程树资源利用率的类。
NM_CONTAINER_MON_RESOURCE_CALCULATOR - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
用于计算容器当前资源利用率的类。
NM_CONTAINER_MONITOR_ENABLED - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
NM_CONTAINER_QUEUING_LIMIT_STDEV - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
用于计算队列限制阈值的标准差数值。
NM_CONTAINER_QUEUING_LOAD_COMPARATOR - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
用于确定节点负载的比较器,用于调度机会型容器。
NM_CONTAINER_QUEUING_MAX_QUEUE_LENGTH - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
NodeManager上容器队列的最大长度。
NM_CONTAINER_QUEUING_MAX_QUEUE_WAIT_TIME_MS - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
NodeManager上容器队列的最大等待时间。
NM_CONTAINER_QUEUING_MIN_QUEUE_LENGTH - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
NodeManager 中容器队列的最小长度。
NM_CONTAINER_QUEUING_MIN_QUEUE_WAIT_TIME_MS - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
NodeManager上容器的最小队列等待时间。
NM_CONTAINER_QUEUING_SORTING_NODES_INTERVAL_MS - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
计算负载最低节点管理器的频率。
NM_CONTAINER_QUEUING_USE_PAUSE_FOR_PREEMPTION - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
在NodeManager的容器队列中,使用容器暂停(container pause)作为抢占策略,而非终止(kill)。
NM_CONTAINER_RETRY_MINIMUM_INTERVAL_MS - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
容器最小重启间隔。
NM_CONTAINER_STATE_TRANSITION_LISTENERS - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
容器状态转换监听器列表。
NM_CONTAINER_STDERR_BYTES - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
NM_CONTAINER_STDERR_PATTERN - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
NM_CONTAINERS_LAUNCHER_CLASS - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
要使用的容器启动器实现。
NM_COUNT_LOGICAL_PROCESSORS_AS_CORES - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
将逻辑处理器(如超线程)计数为核心。
NM_CPU_RESOURCE_ENABLED - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
启用CPU隔离。
NM_CPU_RESOURCE_PREFIX - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
NM_CSI_ADAPTOR_ADDRESS_SUFFIX - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
NM_CSI_ADAPTOR_ADDRESSES - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
csi-adaptor的一个或多个套接字地址。
NM_CSI_ADAPTOR_CLASS - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
NM_CSI_ADAPTOR_PREFIX - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
术语: csi-driver: 一个实现CSI协议的第三方CSI驱动程序。
NM_CSI_DRIVER_ENDPOINT_SUFFIX - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
NM_CSI_DRIVER_NAMES - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
NM_CSI_DRIVER_PREFIX - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
NM_CSRF_CUSTOM_HEADER - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
NM_CSRF_ENABLED - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
NM_CSRF_METHODS_TO_IGNORE - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
NM_CSRF_PREFIX - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
NM_DEFAULT_CONTAINER_EXECUTOR_LOG_DIRS_PERMISSIONS - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
NM_DEFAULT_CONTAINER_EXECUTOR_LOG_DIRS_PERMISSIONS_DEFAULT - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
NM_DEFAULT_CONTAINER_EXECUTOR_PREFIX - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
容器日志的默认权限。
NM_DELETE_THREAD_COUNT - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
清理过程中使用的线程数。
NM_DISK_FREE_SPACE_THRESHOLD_ENABLED - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
启用/禁用磁盘健康检查器的最小磁盘空闲空间阈值。
NM_DISK_HEALTH_CHECK_ENABLE - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
启用/禁用磁盘健康检查器。
NM_DISK_HEALTH_CHECK_INTERVAL_MS - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
运行磁盘健康检查器的频率。
NM_DISK_RESOURCE_ENABLED - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
此设置控制是否启用磁盘操作的资源处理。
NM_DISK_RESOURCE_PREFIX - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
磁盘配置的前缀。
NM_DISK_UTILIZATION_THRESHOLD_ENABLED - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
启用/禁用磁盘健康检查器的磁盘使用百分比阈值。
NM_DISPATCHER_METRIC_ENABLED - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
NM_DOCKER_ALLOW_DELAYED_REMOVAL - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
是否允许用户请求Docker容器遵守调试删除延迟设置。
NM_DOCKER_ALLOW_HOST_PID_NAMESPACE - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
允许容器使用主机PID命名空间。
NM_DOCKER_ALLOW_PRIVILEGED_CONTAINERS - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
允许特权容器。
NM_DOCKER_ALLOWED_CONTAINER_NETWORKS - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
使用DockerContainerRuntime启动容器时允许的网络集合。
NM_DOCKER_ALLOWED_CONTAINER_RUNTIMES - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
使用DockerContainerRuntime启动容器时允许的运行时集合。
NM_DOCKER_CONTAINER_CAPABILITIES - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
Docker容器允许(并默认添加)的功能。
NM_DOCKER_DEFAULT_CONTAINER_NETWORK - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
当请求中未指定网络时,使用DockerContainerRuntime启动容器时所采用的网络。
NM_DOCKER_DEFAULT_RO_MOUNTS - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
默认的只读挂载点列表,这些挂载点将被绑定挂载到所有使用DockerContainerRuntime的Docker容器中。
NM_DOCKER_DEFAULT_RW_MOUNTS - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
使用DockerContainerRuntime的所有Docker容器默认需要绑定挂载的读写挂载点列表。
NM_DOCKER_DEFAULT_TMPFS_MOUNTS - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
默认的tmpfs挂载列表,将被挂载到所有使用DockerContainerRuntime的Docker容器中。
NM_DOCKER_ENABLE_USER_REMAPPING - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
启用用户重映射。
NM_DOCKER_IMAGE_NAME - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
默认使用的Docker镜像。
NM_DOCKER_IMAGE_UPDATE - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
决定是否拉取最新镜像的默认选项。
NM_DOCKER_PRIVILEGED_CONTAINERS_ACL - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
允许运行特权容器的用户ACL列表。
NM_DOCKER_STOP_GRACE_PERIOD - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
NM_DOCKER_USER_REMAPPING_GID_THRESHOLD - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
用户重新映射用户可接受的gid下限。
NM_DOCKER_USER_REMAPPING_UID_THRESHOLD - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
用户重新映射用户可接受UID的下限。
NM_ELASTIC_MEMORY_CONTROL_ENABLED - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
指定是否对整体使用情况进行内存检查。
NM_ELASTIC_MEMORY_CONTROL_OOM_HANDLER - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
指定OOM处理程序代码。
NM_ELASTIC_MEMORY_CONTROL_OOM_LISTENER_PATH - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
OOM监听器的路径。
NM_ELASTIC_MEMORY_CONTROL_OOM_TIMEOUT_SEC - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
解决OOM情况的最大时间(秒)。
NM_ENABLE_HARDWARE_CAPABILITY_DETECTION - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
启用或禁用节点硬件能力检测。
NM_ENV_WHITELIST - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
容器可以覆盖而非使用NodeManager默认值的环境变量。
NM_FPGA_ALLOWED_DEVICES - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
NM_FPGA_AVAILABLE_DEVICES - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
NM_FPGA_DEVICE_DISCOVERY_SCRIPT - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
NM_FPGA_PATH_TO_EXEC - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
NM_FPGA_RESOURCE_PREFIX - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
FPGA配置的前缀。
NM_FPGA_VENDOR_PLUGIN - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
NM_GPU_ALLOWED_DEVICES - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
NM_GPU_DOCKER_PLUGIN_IMPL - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
用于控制将使用哪个GPU的docker插件实现的设置。
NM_GPU_PATH_TO_EXEC - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
该设置控制如何调用GPU二进制文件
NM_GPU_RESOURCE_PREFIX - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
GPU配置的前缀。
NM_HDFS_RUNC_IMAGE_TAG_TO_HASH_FILE - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
存放runC镜像标签到哈希文件的HDFS位置。
NM_HEALTH_CHECK_INTERVAL_MS - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
运行节点健康脚本的频率。
NM_HEALTH_CHECK_RUN_BEFORE_STARTUP - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
是否在NM启动前运行节点健康检查脚本。
NM_HEALTH_CHECK_SCRIPT_INTERVAL_MS_TEMPLATE - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
运行节点健康脚本的频率。
NM_HEALTH_CHECK_SCRIPT_OPTS_TEMPLATE - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
传递给健康检查脚本的参数。
NM_HEALTH_CHECK_SCRIPT_PATH_TEMPLATE - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
要运行的健康检查脚本。
NM_HEALTH_CHECK_SCRIPT_TIMEOUT_MS_TEMPLATE - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
健康检查脚本超时时间。
NM_HEALTH_CHECK_SCRIPTS - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
健康检查脚本。
NM_HEALTH_CHECK_TIMEOUT_MS - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
所有脚本的健康检查超时时间。
NM_KEYTAB - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
NM的Keytab。
NM_LINUX_CONTAINER_CGROUPS_DELETE_DELAY - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
移除Linux控制组(cgroup)的重试间隔时间。
NM_LINUX_CONTAINER_CGROUPS_DELETE_TIMEOUT - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
Linux容器执行器在清理容器时应尝试清理cgroups条目的时间间隔。
NM_LINUX_CONTAINER_CGROUPS_HIERARCHY - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
Linux容器执行器用于cgroups的路径
NM_LINUX_CONTAINER_CGROUPS_MOUNT - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
如果未找到cgroups,Linux容器执行器是否应挂载cgroups
NM_LINUX_CONTAINER_CGROUPS_MOUNT_PATH - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
如果未找到,Linux容器执行器应在何处挂载cgroups
NM_LINUX_CONTAINER_CGROUPS_STRICT_RESOURCE_USAGE - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
应用程序是否应在严格的资源使用模式下运行(不允许使用空闲CPU)
NM_LINUX_CONTAINER_EXECUTOR_PATH - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
Linux容器执行器的路径。
NM_LINUX_CONTAINER_RESOURCES_HANDLER - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
与Linux容器执行器一起使用的资源强制类型。
NM_LOCAL_CACHE_MAX_FILES_PER_DIRECTORY - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
每个本地化目录中的文件数量 避免将此值调得过低。
NM_LOCAL_DIRS - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
存储本地化文件的目录列表。
NM_LOCAL_RUNC_IMAGE_TAG_TO_HASH_FILE - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
存放runC镜像标签到哈希文件的本地文件系统路径。
NM_LOCALIZER_ADDRESS - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
本地化进程间通信(IPC)的地址。
NM_LOCALIZER_CACHE_CLEANUP_INTERVAL_MS - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
缓存清理之间的间隔时间。
NM_LOCALIZER_CACHE_TARGET_SIZE_MB - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
每个节点管理器的本地化缓存目标大小(MB)。
NM_LOCALIZER_CLIENT_THREAD_COUNT - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
处理本地化请求的线程数量。
NM_LOCALIZER_FETCH_THREAD_COUNT - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
用于本地化获取的线程数量。
NM_LOG_AGG_COMPRESSION_TYPE - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
用于压缩聚合日志的T文件压缩类型。
NM_LOG_AGG_POLICY_CLASS - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
NM_LOG_AGG_POLICY_CLASS_PARAMETERS - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
NM_LOG_AGGREGATION_NUM_LOG_FILES_SIZE_PER_APP - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
定义我们在远程文件系统中每个NM每个应用可以拥有的聚合日志文件数量。
NM_LOG_AGGREGATION_ROLL_MONITORING_INTERVAL_SECONDS - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
定义节点管理器(NM)唤醒并上传日志文件的频率
NM_LOG_AGGREGATION_THREAD_POOL_SIZE - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
节点管理器中用于处理日志聚合的线程数。
NM_LOG_CONTAINER_DEBUG_INFO - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
NM_LOG_CONTAINER_DEBUG_INFO_ON_ERROR - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
NM_LOG_DELETE_THRESHOLD - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
当应用程序的总日志大小超过yarn.nodemanager.log.delete.threshold时,触发日志目录删除。
NM_LOG_DELETION_THREADS_COUNT - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
日志清理使用的线程数。
NM_LOG_DIRS - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
容器日志的存储位置。
NM_LOG_RETAIN_SECONDS - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
NodeManager上保留日志的秒数。
NM_LOG_TRIGGER_DELETE_BY_SIZE_ENABLED - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
为非聚合日志处理器(NonAggregatingLogHandler)启用了按大小触发的日志目录删除功能。
NM_MAX_PER_DISK_UTILIZATION_PERCENTAGE - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
磁盘空间的最大使用百分比,超过该百分比后磁盘将被标记为离线。
NM_MEMORY_RESOURCE_CGROUPS_SOFT_LIMIT_PERCENTAGE - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
NM_MEMORY_RESOURCE_CGROUPS_SWAPPINESS - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
NM_MEMORY_RESOURCE_ENABLED - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
NM_MEMORY_RESOURCE_ENFORCED - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
NM_MEMORY_RESOURCE_PREFIX - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
NM_MIN_HEALTHY_DISKS_FRACTION - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
NodeManager启动新容器所需磁盘健康状态的最小比例。
NM_MIN_PER_DISK_FREE_SPACE_MB - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
本地目录必须满足的最小可用空间才能被使用。
NM_MON_RESOURCE_CALCULATOR - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
用于计算当前资源利用率的类。
NM_NETWORK_RESOURCE_ENABLED - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
此设置控制是否启用网络带宽资源处理。
NM_NETWORK_RESOURCE_INTERFACE - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
指定用于应用网络限流规则的接口。
NM_NETWORK_RESOURCE_OUTBOUND_BANDWIDTH_MBIT - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
指定节点上可用的总出站带宽。
NM_NETWORK_RESOURCE_OUTBOUND_BANDWIDTH_YARN_MBIT - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
指定YARN容器可用的总出站带宽。
NM_NETWORK_RESOURCE_PREFIX - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
NM_NETWORK_TAG_HANDLER_ENABLED - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
NM_NETWORK_TAG_MAPPING_FILE_PATH - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
NM_NETWORK_TAG_MAPPING_MANAGER - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
NM_NETWORK_TAG_PREFIX - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
NM_NODE_ATTRIBUTES_PROVIDER_CONFIG - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
NM_NODE_ATTRIBUTES_PROVIDER_FETCH_INTERVAL_MS - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
节点属性提供程序获取属性的间隔和超时时间。
NM_NODE_ATTRIBUTES_PROVIDER_FETCH_TIMEOUT_MS - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
NM_NODE_ATTRIBUTES_RESYNC_INTERVAL - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
NM_NODE_LABELS_PROVIDER_CONFIG - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
NM_NODE_LABELS_PROVIDER_FETCH_INTERVAL_MS - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
NM_NODE_LABELS_PROVIDER_FETCH_TIMEOUT_MS - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
NM_NODE_LABELS_RESYNC_INTERVAL - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
NM_NONSECURE_MODE_LIMIT_USERS - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
如果为True,当在非安全模式下运行时,linux-container-executor应限制自身仅使用一个用户。
NM_NONSECURE_MODE_LOCAL_USER_KEY - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
当在非安全模式下使用Linux-container-executor时(例如使用cgroups的场景),容器将作为该UNIX用户运行。
NM_NONSECURE_MODE_USER_PATTERN_KEY - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
在非安全模式下使用Linux容器执行器时(例如使用cgroups的场景),对UNIX用户名的允许模式要求。
NM_NUMA_AWARENESS_ENABLED - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
NUMA感知的设置。
NM_NUMA_AWARENESS_NODE_IDS - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
NM_NUMA_AWARENESS_NUMACTL_CMD - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
NM_NUMA_AWARENESS_READ_TOPOLOGY - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
NM_OPPORTUNISTIC_CONTAINERS_MAX_QUEUE_LENGTH - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
Max Queue length of OPPORTUNISTIC containers on the NM.
NM_OPPORTUNISTIC_CONTAINERS_QUEUE_POLICY - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
At the NM, the policy to determine whether to queue an OPPORTUNISTIC container or not.
NM_PCORES_VCORES_MULTIPLIER - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
将物理核心转换为虚拟核心的乘数。
NM_PLUGGABLE_DEVICE_FRAMEWORK_DEVICE_CLASSES - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
此设置包含设备插件框架需要加载的供应商插件类名。
NM_PLUGGABLE_DEVICE_FRAMEWORK_ENABLED - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
该设置控制是否启用可插拔设备插件框架。
NM_PMEM_CHECK_ENABLED - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
指定是否启用物理内存检查。
NM_PMEM_MB - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
可分配给容器的内存量(单位:MB)。
NM_PREFIX - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
所有节点管理器配置的前缀。
NM_PRINCIPAL - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
节点管理器的Kerberos主体。
NM_PROCESS_KILL_WAIT_MS - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
尝试清理容器资源时等待进程启动的最长时间
NM_PROVIDER_CONFIGURED_NODE_ATTRIBUTES - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
NM_PROVIDER_CONFIGURED_NODE_PARTITION - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
NM_PUBLISH_CONTAINER_EVENTS_ENABLED - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
该设置控制NM是否将yarn容器事件发布到时间轴服务。
NM_REAP_RUNC_LAYER_MOUNTS_INTERVAL - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
执行回收层挂载之间的间隔时间(以秒为单位)。
NM_RECOVERY_COMPACTION_INTERVAL_SECS - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
NM状态数据库完全压缩之间的时间间隔(以秒为单位)。
NM_RECOVERY_DIR - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
NM_RECOVERY_ENABLED - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
NM_RECOVERY_PREFIX - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
NM_RECOVERY_SUPERVISED - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
NM_REMOTE_APP_LOG_DIR - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
日志聚合的目标位置。
NM_REMOTE_APP_LOG_DIR_GROUPNAME - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
指定聚合日志目录的所属组。
NM_REMOTE_APP_LOG_DIR_INCLUDE_OLDER - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
指定是否包含较旧的应用日志目录。
NM_REMOTE_APP_LOG_DIR_SUFFIX - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
远程日志目录将在以下位置创建。
NM_RESOURCE_MON_INTERVAL_MS - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
节点中监控资源的频率。
NM_RESOURCE_PERCENTAGE_PHYSICAL_CPU_LIMIT - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
可分配给容器的总CPU百分比。
NM_RESOURCE_PLUGINS - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
计算资源的前缀,计算资源的例子如 GPU / FPGA / TPU 等。
NM_RESOURCE_PLUGINS_FAIL_FAST - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
指定如果在系统中未找到特定设备(如GPU、FPGA等),是否应继续Node Manager的初始化过程。
NM_RESOURCEMANAGER_CONNECT_MAX_WAIT_MS - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
等待NM连接到RM的最长时间。
NM_RESOURCEMANAGER_CONNECT_RETRY_INTERVAL_MS - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
每个节点管理器(NM)尝试连接资源管理器(RM)之间的时间间隔。
NM_RESOURCEMANAGER_MINIMUM_VERSION - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
NM_RESOURCES_PREFIX - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
NM_RUNC_ALLOW_HOST_PID_NAMESPACE - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
允许容器使用主机PID命名空间。
NM_RUNC_ALLOW_PRIVILEGED_CONTAINERS - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
允许特权容器。
NM_RUNC_ALLOWED_CONTAINER_NETWORKS - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
使用RuncContainerRuntime启动容器时允许的网络集合。
NM_RUNC_ALLOWED_CONTAINER_RUNTIMES - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
使用RuncContainerRuntime启动容器时允许的一组运行时。
NM_RUNC_CACHE_REFRESH_INTERVAL - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
刷新hdfs镜像标签到哈希缓存的间隔时间(以秒为单位)。
NM_RUNC_DEFAULT_RO_MOUNTS - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
默认的只读挂载列表,将被绑定挂载到所有使用RuncContainerRuntime的runC容器中。
NM_RUNC_DEFAULT_RW_MOUNTS - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
默认的读写挂载列表,将被绑定挂载到所有使用RuncContainerRuntime的runC容器中。
NM_RUNC_IMAGE_NAME - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
默认使用的runc镜像。
NM_RUNC_IMAGE_TAG_TO_MANIFEST_PLUGIN - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
应使用的runc镜像标签到清单插件类。
NM_RUNC_IMAGE_TOPLEVEL_DIR - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
HDFS 路径,用于存放 OCI 镜像清单、镜像层和配置文件的目录。
NM_RUNC_LAYER_MOUNTS_TO_KEEP - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
我们应同时在磁盘上保留的层挂载目标数量。
NM_RUNC_MANIFEST_TO_RESOURCES_PLUGIN - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
应使用的runc清单到资源插件类。
NM_RUNC_NUM_MANIFESTS_TO_CACHE - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
在镜像标签到哈希缓存中要缓存的清单数量。
NM_RUNC_PRIVILEGED_CONTAINERS_ACL - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
允许运行特权容器的用户ACL列表。
NM_RUNC_SECCOMP_PROFILE - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
与Runc容器一起使用的seccomp配置文件的路径。
NM_RUNC_STAT_CACHE_SIZE - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
存储层和配置统计信息的统计缓存大小。
NM_RUNC_STAT_CACHE_TIMEOUT - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
状态缓存中值的超时时间(以秒为单位)。
NM_SCRIPT_BASED_NODE_ATTRIBUTES_PROVIDER_OPTS - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
NM_SCRIPT_BASED_NODE_ATTRIBUTES_PROVIDER_PATH - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
NM_SCRIPT_BASED_NODE_LABELS_PROVIDER_PATH - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
NM_SCRIPT_BASED_NODE_LABELS_PROVIDER_SCRIPT_OPTS - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
NM_SLEEP_DELAY_BEFORE_SIGKILL_MS - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
编号
NM_SYSTEM_RESERVED_PMEM_MB - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
为非yarn用途预留的内存大小(单位:MB)。
NM_USER_HOME_DIR - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
NM_VCORES - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
可分配给容器的虚拟CPU核心数量。
NM_VMEM_CHECK_ENABLED - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
指定是否启用虚拟内存检查。
NM_VMEM_PMEM_RATIO - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
物理内存到虚拟内存的转换比率。
NM_WEBAPP_ADDRESS - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
节点管理器Web应用地址。
NM_WEBAPP_ENABLE_CORS_FILTER - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
启用/禁用CORS过滤器。
NM_WEBAPP_HTTPS_ADDRESS - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
NM Web应用程序的HTTPS地址。
NM_WEBAPP_SPNEGO_KEYTAB_FILE_KEY - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
用于NM的spnego过滤器的Kerberos密钥表。
NM_WEBAPP_SPNEGO_USER_NAME_KEY - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
用于NM的spnego过滤器的Kerberos主体。
NM_WINDOWS_CONTAINER_CPU_LIMIT_ENABLED - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
NM_WINDOWS_CONTAINER_MEMORY_LIMIT_ENABLED - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
指示是否为默认容器执行器启动的容器设置Windows作业对象的内存和CPU限制。
NM_WINDOWS_SECURE_CONTAINER_GROUP - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
/* Windows组,windows-secure-container-executor应以其身份运行。
NM_WM_HIGH_PER_DISK_FREE_SPACE_MB - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
离线磁盘上必须可用的最小空间,才能将其标记为在线。
NM_WM_LOW_PER_DISK_UTILIZATION_PERCENTAGE - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
当离线磁盘被标记为在线时,磁盘空间使用的低阈值百分比。
NM_XFS_OPTIONS - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
NM_XFS_PREFIX - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
NMClient - Class in org.apache.hadoop.yarn.client.api
 
NMClient(String) - Constructor for class org.apache.hadoop.yarn.client.api.NMClient
 
NMClientAsync - Class in org.apache.hadoop.yarn.client.api.async
NMClientAsync handles communication with all the NodeManagers and provides asynchronous updates on getting responses from them.
NMClientAsync(NMClientAsync.AbstractCallbackHandler) - Constructor for class org.apache.hadoop.yarn.client.api.async.NMClientAsync
 
NMClientAsync(String, NMClientAsync.AbstractCallbackHandler) - Constructor for class org.apache.hadoop.yarn.client.api.async.NMClientAsync
 
NMClientAsync(String, NMClient, NMClientAsync.AbstractCallbackHandler) - Constructor for class org.apache.hadoop.yarn.client.api.async.NMClientAsync
 
NMClientAsync(NMClientAsync.CallbackHandler) - Constructor for class org.apache.hadoop.yarn.client.api.async.NMClientAsync
Deprecated.
NMClientAsync(String, NMClientAsync.CallbackHandler) - Constructor for class org.apache.hadoop.yarn.client.api.async.NMClientAsync
NMClientAsync(String, NMClient, NMClientAsync.CallbackHandler) - Constructor for class org.apache.hadoop.yarn.client.api.async.NMClientAsync
Deprecated.
NMProxy - Class in org.apache.hadoop.yarn.client
 
NMProxy() - Constructor for class org.apache.hadoop.yarn.client.NMProxy
 
NMToken - Class in org.apache.hadoop.yarn.api.records
The NMToken is used for authenticating communication with NodeManager
NMToken() - Constructor for class org.apache.hadoop.yarn.api.records.NMToken
 
NMTokenCache - Class in org.apache.hadoop.yarn.client.api
NMTokenCache管理Application Master与各个NodeManager通信所需的NMTokens。
NMTokenCache() - Constructor for class org.apache.hadoop.yarn.client.api.NMTokenCache
创建一个NM令牌缓存实例。
NMTokenIdentifier - Class in org.apache.hadoop.yarn.security
 
NMTokenIdentifier(ApplicationAttemptId, NodeId, String, int) - Constructor for class org.apache.hadoop.yarn.security.NMTokenIdentifier
 
NMTokenIdentifier() - Constructor for class org.apache.hadoop.yarn.security.NMTokenIdentifier
RPC/Secret管理器所需的默认构造函数
NO_DOMAIN - Static variable in class org.apache.hadoop.yarn.api.records.timeline.TimelinePutResponse.TimelinePutError
如果实体没有有效的域ID,则返回此错误代码
NO_SCRIPT - Static variable in class org.apache.hadoop.net.ScriptBasedMapping
Text used in the ScriptBasedMapping.toString() method if there is no string "no script"
NO_START_TIME - Static variable in class org.apache.hadoop.yarn.api.records.timeline.TimelinePutResponse.TimelinePutError
在放置实体时找不到开始时间时返回的错误代码。
NoChildrenForEphemeralsException - Exception in org.apache.hadoop.registry.client.exceptions
这是Zookeeper关于哪些节点可以作为父节点的限制表现。
NoChildrenForEphemeralsException(String, Throwable) - Constructor for exception org.apache.hadoop.registry.client.exceptions.NoChildrenForEphemeralsException
 
NoChildrenForEphemeralsException(String, String) - Constructor for exception org.apache.hadoop.registry.client.exceptions.NoChildrenForEphemeralsException
 
NoChildrenForEphemeralsException(String, String, Throwable) - Constructor for exception org.apache.hadoop.registry.client.exceptions.NoChildrenForEphemeralsException
 
Node(String) - Constructor for class org.apache.hadoop.mapred.join.Parser.Node
 
Node(String) - Constructor for class org.apache.hadoop.mapreduce.lib.join.Parser.Node
 
NODE - Static variable in class org.apache.hadoop.yarn.api.resource.PlacementConstraints
 
NODE_ATTRIBUTE_PREFIX - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
节点属性配置。
NODE_LABEL_EXPRESSION_NOT_SET - Static variable in class org.apache.hadoop.yarn.api.records.NodeLabel
未设置节点标签表达式。
NODE_LABELS_ENABLED - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
标志位,表示节点标签功能是否启用,默认情况下该功能是禁用的
NODE_LABELS_PREFIX - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
节点标签配置
NODE_PARTITION - Static variable in class org.apache.hadoop.yarn.api.resource.PlacementConstraints
 
NODE_RESOURCES_CONFIGURATION_FILE - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
NODE_STORE_ROOT_DIR_NUM_DEFAULT_RETRIES - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
NODE_STORE_ROOT_DIR_NUM_RETRIES - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
NODE_STORE_ROOT_DIR_RETRY_DEFAULT_INTERVAL - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
NODE_STORE_ROOT_DIR_RETRY_INTERVAL - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
NodeAttribute - Class in org.apache.hadoop.yarn.api.records
节点属性是一种标签,代表节点的某个属性/特征。
NodeAttribute() - Constructor for class org.apache.hadoop.yarn.api.records.NodeAttribute
 
NodeAttributeInfo - Class in org.apache.hadoop.yarn.api.records
节点属性信息描述了一个NodeAttribute。
NodeAttributeInfo() - Constructor for class org.apache.hadoop.yarn.api.records.NodeAttributeInfo
 
NodeAttributeKey - Class in org.apache.hadoop.yarn.api.records
节点属性键(AttributeKey)唯一标识一个给定的节点属性。
NodeAttributeKey() - Constructor for class org.apache.hadoop.yarn.api.records.NodeAttributeKey
 
NodeAttributeOpCode - Enum in org.apache.hadoop.yarn.api.records
各种节点属性操作码的枚举。
nodeAttributes(Map>) - Method in class org.apache.hadoop.yarn.service.api.records.PlacementConstraint
节点属性是与节点相关联的一组键值对。
NodeAttributeType - Enum in org.apache.hadoop.yarn.api.records
Type of a node Attribute.
NodeId - Class in org.apache.hadoop.yarn.api.records
NodeId is the unique identifier for a node.
NodeId() - Constructor for class org.apache.hadoop.yarn.api.records.NodeId
 
NodeLabel - Class in org.apache.hadoop.yarn.api.records
 
NodeLabel() - Constructor for class org.apache.hadoop.yarn.api.records.NodeLabel
 
NODELABEL_CONFIGURATION_TYPE - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
nodeLabelExpression(String) - Method in class org.apache.hadoop.yarn.api.records.ResourceRequest.ResourceRequestBuilder
Set the nodeLabelExpression of the request.
nodePartitions(List) - Method in class org.apache.hadoop.yarn.service.api.records.PlacementConstraint
该组件的容器可以运行的节点分区。
NodeReport - Class in org.apache.hadoop.yarn.api.records
NodeReport is a summary of runtime information of a node in the cluster.
NodeReport() - Constructor for class org.apache.hadoop.yarn.api.records.NodeReport
 
NodeState - Enum in org.apache.hadoop.yarn.api.records
State of a Node.
NodeToAttributeValue - Class in org.apache.hadoop.yarn.api.records
属性值到节点的映射。
NodeToAttributeValue() - Constructor for class org.apache.hadoop.yarn.api.records.NodeToAttributeValue
 
noInterruptsLock - Variable in class org.apache.hadoop.security.token.delegation.AbstractDelegationTokenSecretManager
如果委托令牌更新线程持有此锁,它将不会被中断。
NONE - Static variable in class org.apache.hadoop.fs.FileStatus
共享的空属性集(FileStatus的常见情况)。
noPasswordError() - Method in class org.apache.hadoop.crypto.key.KeyProvider
如果需要提供者密码但未提供,将返回错误消息及向提供者提供该密码的说明。
noPasswordError() - Method in class org.apache.hadoop.security.alias.CredentialProvider
如果需要提供者密码但未提供,将返回错误消息及向提供者提供该密码的说明。
noPasswordWarning() - Method in class org.apache.hadoop.crypto.key.KeyProvider
如果需要提供者的密码但未提供,将返回警告及向该提供者提供密码的说明。
noPasswordWarning() - Method in class org.apache.hadoop.security.alias.CredentialProvider
如果需要提供者的密码但未提供,将返回警告及向该提供者提供密码的说明。
NoRecordException - Exception in org.apache.hadoop.registry.client.exceptions
Raised if there is no ServiceRecord resolved at the end of the specified path.
NoRecordException(String, String) - Constructor for exception org.apache.hadoop.registry.client.exceptions.NoRecordException
 
NoRecordException(String, String, Throwable) - Constructor for exception org.apache.hadoop.registry.client.exceptions.NoRecordException
 
normalizeMemoryConfigValue(long) - Static method in class org.apache.hadoop.mapred.JobConf
标准化配置中的负值
not() - Method in enum org.apache.hadoop.fs.permission.FsAction
非操作。
not() - Method in class org.apache.hadoop.util.bloom.BloomFilter
 
not() - Method in class org.apache.hadoop.util.bloom.CountingBloomFilter
 
not() - Method in class org.apache.hadoop.util.bloom.DynamicBloomFilter
 
noteEntryPoint(Object) - Static method in class org.apache.hadoop.fs.audit.CommonAuditContext
Add the entry point as a context entry with the key AuditConstants.PARAM_COMMAND if it has not already been recorded.
noteFailure(Exception) - Method in class org.apache.hadoop.service.AbstractService
故障处理:记录触发异常的异常 - 如果之前没有记录的话。
NotInMountpointException - Exception in org.apache.hadoop.fs.viewfs
NotInMountpointException 继承自 UnsupportedOperationException。
NotInMountpointException(Path, String) - Constructor for exception org.apache.hadoop.fs.viewfs.NotInMountpointException
 
NotInMountpointException(String) - Constructor for exception org.apache.hadoop.fs.viewfs.NotInMountpointException
 
NoVersionAttributeException - Exception in org.apache.hadoop.fs.s3a
表示S3对象未提供配置的变更检测策略所需的版本控制属性。
NoVersionAttributeException(String, String) - Constructor for exception org.apache.hadoop.fs.s3a.NoVersionAttributeException
构造一个 NoVersionAttributeException。
NSQuotaExceededException - Exception in org.apache.hadoop.hdfs.protocol
 
NSQuotaExceededException() - Constructor for exception org.apache.hadoop.hdfs.protocol.NSQuotaExceededException
 
NSQuotaExceededException(String) - Constructor for exception org.apache.hadoop.hdfs.protocol.NSQuotaExceededException
 
NSQuotaExceededException(long, long) - Constructor for exception org.apache.hadoop.hdfs.protocol.NSQuotaExceededException
 
NULL - Static variable in interface org.apache.hadoop.mapred.Reporter
一个Reporter类型的常量,不执行任何操作。
NullBlockAliasMap - Class in org.apache.hadoop.hdfs.server.namenode
用于处理FSImage发出的区域信息的空接收器。
NullBlockAliasMap() - Constructor for class org.apache.hadoop.hdfs.server.namenode.NullBlockAliasMap
 
NullOutputFormat<K,V> - Class in org.apache.hadoop.mapred.lib
消耗所有输出并将它们放入 /dev/null。
NullOutputFormat() - Constructor for class org.apache.hadoop.mapred.lib.NullOutputFormat
 
NullOutputFormat<K,V> - Class in org.apache.hadoop.mapreduce.lib.output
消耗所有输出并将它们放入 /dev/null。
NullOutputFormat() - Constructor for class org.apache.hadoop.mapreduce.lib.output.NullOutputFormat
 
NullWritable - Class in org.apache.hadoop.io
无数据的单例可写对象。
NUM_DATA_UNITS_KEY - Static variable in class org.apache.hadoop.io.erasurecode.ECSchema
 
NUM_INPUT_FILES - Static variable in class org.apache.hadoop.mapred.FileInputFormat
 
NUM_INPUT_FILES - Static variable in class org.apache.hadoop.mapreduce.lib.input.FileInputFormat
 
NUM_PARITY_UNITS_KEY - Static variable in class org.apache.hadoop.io.erasurecode.ECSchema
 
NUM_THREADS - Static variable in class org.apache.hadoop.mapreduce.lib.map.MultithreadedMapper
 
numaAwarenessEnabled(Configuration) - Static method in class org.apache.hadoop.yarn.conf.YarnConfiguration
返回是否启用了NUMA感知。
numAllocatedContainers - Variable in class org.apache.hadoop.yarn.applications.distributedshell.ApplicationMaster
 
NUMBER_OF_ASYNC_ENTITIES_TO_MERGE - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
numberOfContainers(Long) - Method in class org.apache.hadoop.yarn.service.api.records.组件
该组件的容器数量(可选)。
numberOfRunningContainers(Long) - Method in class org.apache.hadoop.yarn.service.api.records.Service
在获取响应时,这提供了请求时该服务(跨所有组件)正在运行的容器总数。
numberOfSecretKeys() - Method in class org.apache.hadoop.security.Credentials
 
numberOfTokens() - Method in class org.apache.hadoop.security.Credentials
 
numContainers(int) - Method in class org.apache.hadoop.yarn.api.records.ResourceRequest.ResourceRequestBuilder
Set the numContainers of the request.
numIgnore - Variable in class org.apache.hadoop.yarn.applications.distributedshell.ApplicationMaster
 
numRequestedContainers - Variable in class org.apache.hadoop.yarn.applications.distributedshell.ApplicationMaster
 
NumToken(double) - Constructor for class org.apache.hadoop.mapred.join.Parser.NumToken
 
NumToken(double) - Constructor for class org.apache.hadoop.mapreduce.lib.join.Parser.NumToken
 
numTotalContainers - Variable in class org.apache.hadoop.yarn.applications.distributedshell.ApplicationMaster
 
NVIDIA_DOCKER_PLUGIN_V1_ENDPOINT - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
此设置控制nvidia-docker-v1插件的终端节点。
NVIDIA_DOCKER_V1 - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
NVIDIA_DOCKER_V2 - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 

O

OAuth2ConnectionConfigurator - Class in org.apache.hadoop.hdfs.web.oauth2
配置连接以使用OAuth2认证。
OAuth2ConnectionConfigurator(Configuration) - Constructor for class org.apache.hadoop.hdfs.web.oauth2.OAuth2ConnectionConfigurator
 
OAuth2ConnectionConfigurator(Configuration, ConnectionConfigurator) - Constructor for class org.apache.hadoop.hdfs.web.oauth2.OAuth2ConnectionConfigurator
 
OAuth2Constants - Class in org.apache.hadoop.hdfs.web.oauth2
与WebHDFS中OAuth2相关的各种常量。
OAUTH_CREDENTIAL_KEY - Static variable in class org.apache.hadoop.hdfs.web.oauth2.CredentialBasedAccessTokenProvider
 
OAUTH_REFRESH_TOKEN_EXPIRES_KEY - Static variable in class org.apache.hadoop.hdfs.web.oauth2.ConfRefreshTokenBasedAccessTokenProvider
 
OAUTH_REFRESH_TOKEN_KEY - Static variable in class org.apache.hadoop.hdfs.web.oauth2.ConfRefreshTokenBasedAccessTokenProvider
 
OBJECT_BULK_DELETE_REQUEST - Static variable in class org.apache.hadoop.fs.statistics.StoreStatisticNames
发起了一个批量删除请求:"object_bulk_delete_request"。
OBJECT_CONTINUE_LIST_REQUEST - Static variable in class org.apache.hadoop.fs.statistics.StoreStatisticNames
持续进行的对象列表数量。
OBJECT_COPY_REQUESTS - Static variable in class org.apache.hadoop.fs.statistics.StoreStatisticNames
 
OBJECT_DELETE_OBJECTS - Static variable in class org.apache.hadoop.fs.statistics.StoreStatisticNames
删除请求中删除的对象数量。
OBJECT_DELETE_REQUEST - Static variable in class org.apache.hadoop.fs.statistics.StoreStatisticNames
对存储执行了相当于DELETE请求的操作:"object_delete_request"。
OBJECT_LIST_REQUEST - Static variable in class org.apache.hadoop.fs.statistics.StoreStatisticNames
商店发起了一个相当于分页LIST请求的操作:"object_list_request"。
OBJECT_METADATA_REQUESTS - Static variable in class org.apache.hadoop.fs.statistics.StoreStatisticNames
发起了一个HTTP HEAD请求:"object_metadata_request"。
OBJECT_MULTIPART_UPLOAD_ABORTED - Static variable in class org.apache.hadoop.fs.statistics.StoreStatisticNames
对象多部分上传已中止。
OBJECT_MULTIPART_UPLOAD_INITIATED - Static variable in class org.apache.hadoop.fs.statistics.StoreStatisticNames
对象多部分上传已启动。
OBJECT_MULTIPART_UPLOAD_LIST - Static variable in class org.apache.hadoop.fs.statistics.StoreStatisticNames
对象多部分列表请求。
OBJECT_PUT_BYTES - Static variable in class org.apache.hadoop.fs.statistics.StoreStatisticNames
上传的字节数。
OBJECT_PUT_BYTES_PENDING - Static variable in class org.apache.hadoop.fs.statistics.StoreStatisticNames
排队等待上传/正在上传的字节数。
OBJECT_PUT_REQUEST - Static variable in class org.apache.hadoop.fs.statistics.StoreStatisticNames
对象上传/分块上传计数。
OBJECT_PUT_REQUEST_ACTIVE - Static variable in class org.apache.hadoop.fs.statistics.StoreStatisticNames
当前活跃的put请求数量。
OBJECT_PUT_REQUEST_COMPLETED - Static variable in class org.apache.hadoop.fs.statistics.StoreStatisticNames
对象上传/分块上传完成计数。
OBJECT_SELECT_REQUESTS - Static variable in class org.apache.hadoop.fs.statistics.StoreStatisticNames
发出的S3 Select(或类似)请求的计数。
OBJECTSIZE_GROUP - Static variable in class org.apache.hadoop.fs.s3a.audit.S3LogParser
记录组"objectsize"。
ObjectWritable - Class in org.apache.hadoop.io
一种多态可写对象,用于写入带有类名的实例。
ObjectWritable() - Constructor for class org.apache.hadoop.io.ObjectWritable
 
ObjectWritable(Object) - Constructor for class org.apache.hadoop.io.ObjectWritable
 
ObjectWritable(Class, Object) - Constructor for class org.apache.hadoop.io.ObjectWritable
 
OBS - Class in org.apache.hadoop.fs.obs
OBS implementation of AbstractFileSystem, which delegates to the OBSFileSystem.
OBS(URI, Configuration) - Constructor for class org.apache.hadoop.fs.obs.OBS
 
obtainTokensForNamenodes(Credentials, Path[], Configuration) - Static method in class org.apache.hadoop.mapreduce.security.TokenCache
便捷方法,用于从与传入路径对应的namenodes获取委托令牌。
offset() - Method in interface org.apache.hadoop.io.file.tfile.RawComparable
获取字节数组中第一个字节的偏移量。
ONE - Static variable in interface org.apache.hadoop.mapred.lib.aggregate.ValueAggregatorDescriptor
 
ONE - Static variable in interface org.apache.hadoop.mapreduce.lib.aggregate.ValueAggregatorDescriptor
 
ONE_KB - Static variable in class org.apache.hadoop.fs.azurebfs.constants.FileSystemConfigurations
 
ONE_MB - Static variable in class org.apache.hadoop.fs.azurebfs.constants.FileSystemConfigurations
 
onlyKeyExists(String) - Method in class org.apache.hadoop.conf.配置
Return existence of the name property, but only for names which have no valid value, usually non-existent or commented out in XML.
OP_ABORT - Static variable in class org.apache.hadoop.fs.statistics.StoreStatisticNames
"操作中止"。
OP_ACCESS - Static variable in class org.apache.hadoop.fs.statistics.StoreStatisticNames
access() API调用 "op_access"。
OP_APPEND - Static variable in class org.apache.hadoop.fs.statistics.StoreStatisticNames
"op_append".
OP_BULK_DELETE - Static variable in class org.apache.hadoop.fs.statistics.StoreStatisticNames
"op_bulk-delete".
OP_COMMIT_FILE_RENAME - Static variable in class org.apache.hadoop.mapreduce.lib.output.committer.manifest.ManifestCommitter统计指标名称
在提交操作"commit_file_rename"期间重命名的文件。
OP_COMMIT_FILE_RENAME_RECOVERED - Static variable in class org.apache.hadoop.mapreduce.lib.output.committer.manifest.ManifestCommitter统计指标名称
在提交操作期间的文件重命名已从故障"commit_file_rename_recovered"中恢复。
OP_COPY_FROM_LOCAL_FILE - Static variable in class org.apache.hadoop.fs.statistics.StoreStatisticNames
"op_copy_from_local_file".
OP_CREATE - Static variable in class org.apache.hadoop.fs.statistics.StoreStatisticNames
"op_create".
OP_CREATE_DIRECTORIES - Static variable in class org.apache.hadoop.fs.s3a.commit.CommitterStatisticNames
目录创建 "op_create_directories"。
OP_CREATE_DIRECTORIES - Static variable in class org.apache.hadoop.mapreduce.lib.output.committer.manifest.ManifestCommitter统计指标名称
目录创建 "op_create_directories"。
OP_CREATE_FILE - Static variable in class org.apache.hadoop.fs.statistics.StoreStatisticNames
"op_createfile".
OP_CREATE_NON_RECURSIVE - Static variable in class org.apache.hadoop.fs.statistics.StoreStatisticNames
"op_create_non_recursive".
OP_CREATE_ONE_DIRECTORY - Static variable in class org.apache.hadoop.fs.s3a.commit.CommitterStatisticNames
创建单个目录"op_create_one_directory"。
OP_CREATE_ONE_DIRECTORY - Static variable in class org.apache.hadoop.mapreduce.lib.output.committer.manifest.ManifestCommitter统计指标名称
创建单个目录"op_create_one_directory"。
OP_DELETE - Static variable in class org.apache.hadoop.fs.statistics.StoreStatisticNames
"op_delete".
OP_DELETE_DIR - Static variable in class org.apache.hadoop.mapreduce.lib.output.committer.manifest.ManifestCommitter统计指标名称
删除目录:"op_delete_dir"。
OP_DELETE_FILE_UNDER_DESTINATION - Static variable in class org.apache.hadoop.mapreduce.lib.output.committer.manifest.ManifestCommitter统计指标名称
目标目录树中的一个文件已被删除。
OP_DIRECTORY_SCAN - Static variable in class org.apache.hadoop.fs.s3a.commit.CommitterStatisticNames
目录扫描 "op_directory_scan"。
OP_DIRECTORY_SCAN - Static variable in class org.apache.hadoop.mapreduce.lib.output.committer.manifest.ManifestCommitter统计指标名称
目录扫描 "op_directory_scan"。
OP_EXISTS - Static variable in class org.apache.hadoop.fs.statistics.StoreStatisticNames
"op_exists".
OP_GET_CONTENT_SUMMARY - Static variable in class org.apache.hadoop.fs.statistics.StoreStatisticNames
"op_get_content_summary".
OP_GET_DELEGATION_TOKEN - Static variable in class org.apache.hadoop.fs.statistics.StoreStatisticNames
"op_get_delegation_token".
OP_GET_FILE_CHECKSUM - Static variable in class org.apache.hadoop.fs.statistics.StoreStatisticNames
"op_get_file_checksum".
OP_GET_FILE_STATUS - Static variable in class org.apache.hadoop.fs.statistics.StoreStatisticNames
"op_get_file_status".
OP_GET_STATUS - Static variable in class org.apache.hadoop.fs.statistics.StoreStatisticNames
"op_get_status".
OP_GLOB_STATUS - Static variable in class org.apache.hadoop.fs.statistics.StoreStatisticNames
"op_glob_status".
OP_HFLUSH - Static variable in class org.apache.hadoop.fs.statistics.StoreStatisticNames
"op_hflush".
OP_HSYNC - Static variable in class org.apache.hadoop.fs.statistics.StoreStatisticNames
"op_hsync".
OP_IS_DIRECTORY - Static variable in class org.apache.hadoop.fs.statistics.StoreStatisticNames
"op_is_directory".
OP_IS_FILE - Static variable in class org.apache.hadoop.fs.statistics.StoreStatisticNames
"op_is_file".
OP_LIST_FILES - Static variable in class org.apache.hadoop.fs.statistics.StoreStatisticNames
"op_list_files".
OP_LIST_LOCATED_STATUS - Static variable in class org.apache.hadoop.fs.statistics.StoreStatisticNames
"操作列表定位状态".
OP_LIST_STATUS - Static variable in class org.apache.hadoop.fs.statistics.StoreStatisticNames
"操作列表状态".
OP_LOAD_ALL_MANIFESTS - Static variable in class org.apache.hadoop.fs.s3a.commit.CommitterStatisticNames
"op_load_all_manifests".
OP_LOAD_ALL_MANIFESTS - Static variable in class org.apache.hadoop.mapreduce.lib.output.committer.manifest.ManifestCommitter统计指标名称
"op_load_all_manifests".
OP_LOAD_MANIFEST - Static variable in class org.apache.hadoop.fs.s3a.commit.CommitterStatisticNames
加载任务清单:"op_load_manifest"。
OP_LOAD_MANIFEST - Static variable in class org.apache.hadoop.mapreduce.lib.output.committer.manifest.ManifestCommitter统计指标名称
加载任务清单:"op_load_manifest"。
OP_MKDIRS - Static variable in class org.apache.hadoop.fs.statistics.StoreStatisticNames
"op_mkdirs".
OP_MKDIRS_RETURNED_FALSE - Static variable in class org.apache.hadoop.mapreduce.lib.output.committer.manifest.ManifestCommitter统计指标名称
创建目录失败统计: "op_mkdir_returned_false".
OP_MODIFY_ACL_ENTRIES - Static variable in class org.apache.hadoop.fs.statistics.StoreStatisticNames
"op_modify_acl_entries".
OP_MSYNC - Static variable in class org.apache.hadoop.fs.statistics.StoreStatisticNames
"op_msync".
OP_MSYNC - Static variable in class org.apache.hadoop.mapreduce.lib.output.committer.manifest.ManifestCommitter统计指标名称
msync 统计: "op_msync".
OP_OPEN - Static variable in class org.apache.hadoop.fs.statistics.StoreStatisticNames
"op_open".
OP_OPENFILE - Static variable in class org.apache.hadoop.fs.statistics.StoreStatisticNames
调用openFile() "op_openfile"。
OP_PARAM - Static variable in class org.apache.hadoop.security.token.delegation.web.DelegationTokenAuthenticator
 
OP_PREPARE_DIR_ANCESTORS - Static variable in class org.apache.hadoop.mapreduce.lib.output.committer.manifest.ManifestCommitter统计指标名称
准备祖先目录: "op_prepare_dir_ancestors"。
OP_REMOVE_ACL - Static variable in class org.apache.hadoop.fs.statistics.StoreStatisticNames
"op_remove_acl".
OP_REMOVE_ACL_ENTRIES - Static variable in class org.apache.hadoop.fs.statistics.StoreStatisticNames
"op_remove_acl_entries".
OP_REMOVE_DEFAULT_ACL - Static variable in class org.apache.hadoop.fs.statistics.StoreStatisticNames
"op_remove_default_acl".
OP_RENAME - Static variable in class org.apache.hadoop.fs.statistics.StoreStatisticNames
"op_rename".
OP_RENAME_DIR - Static variable in class org.apache.hadoop.mapreduce.lib.output.committer.manifest.ManifestCommitter统计指标名称
重命名目录:"op_rename"。
OP_RENAME_FILE - Static variable in class org.apache.hadoop.fs.s3a.commit.CommitterStatisticNames
重命名文件:"op_rename"。
OP_RENAME_FILE - Static variable in class org.apache.hadoop.mapreduce.lib.output.committer.manifest.ManifestCommitter统计指标名称
重命名文件:"op_rename"。
OP_SAVE_SUMMARY_FILE - Static variable in class org.apache.hadoop.mapreduce.lib.output.committer.manifest.ManifestCommitter统计指标名称
保存摘要文件:"task_stage_save_summary_file"。
OP_SAVE_TASK_MANIFEST - Static variable in class org.apache.hadoop.fs.s3a.commit.CommitterStatisticNames
保存任务清单:"op_task_stage_save_task_manifest"。
OP_SAVE_TASK_MANIFEST - Static variable in class org.apache.hadoop.mapreduce.lib.output.committer.manifest.ManifestCommitter统计指标名称
保存任务清单:"task_stage_save_task_manifest"。
OP_SET_ACL - Static variable in class org.apache.hadoop.fs.statistics.StoreStatisticNames
"op_set_acl".
OP_SET_OWNER - Static variable in class org.apache.hadoop.fs.statistics.StoreStatisticNames
"op_set_owner".
OP_SET_PERMISSION - Static variable in class org.apache.hadoop.fs.statistics.StoreStatisticNames
"op_set_permission".
OP_SET_TIMES - Static variable in class org.apache.hadoop.fs.statistics.StoreStatisticNames
"op_set_times".
OP_STAGE_JOB_ABORT - Static variable in class org.apache.hadoop.fs.s3a.commit.CommitterStatisticNames
作业中止: "op_job_stage_abort".
OP_STAGE_JOB_ABORT - Static variable in class org.apache.hadoop.mapreduce.lib.output.committer.manifest.ManifestCommitter统计指标名称
任务中止: "job_stage_abort".
OP_STAGE_JOB_CLEANUP - Static variable in class org.apache.hadoop.fs.s3a.commit.CommitterStatisticNames
作业清理: "op_job_stage_cleanup".
OP_STAGE_JOB_CLEANUP - Static variable in class org.apache.hadoop.mapreduce.lib.output.committer.manifest.ManifestCommitter统计指标名称
作业清理: "job_stage_cleanup".
OP_STAGE_JOB_COMMIT - Static variable in class org.apache.hadoop.fs.s3a.commit.CommitterStatisticNames
整体作业提交 "committer_commit_job"。
OP_STAGE_JOB_COMMIT - Static variable in class org.apache.hadoop.mapreduce.lib.output.committer.manifest.ManifestCommitter统计指标名称
整体作业提交 "committer_commit_job"。
OP_STAGE_JOB_CREATE_TARGET_DIRS - Static variable in class org.apache.hadoop.fs.s3a.commit.CommitterStatisticNames
准备目录阶段:"op_job_stage_create_target_dirs"。
OP_STAGE_JOB_CREATE_TARGET_DIRS - Static variable in class org.apache.hadoop.mapreduce.lib.output.committer.manifest.ManifestCommitter统计指标名称
准备目录阶段:"job_stage_create_target_dirs"。
OP_STAGE_JOB_LOAD_MANIFESTS - Static variable in class org.apache.hadoop.fs.s3a.commit.CommitterStatisticNames
加载清单阶段:"op_job_stage_load_manifests"。
OP_STAGE_JOB_LOAD_MANIFESTS - Static variable in class org.apache.hadoop.mapreduce.lib.output.committer.manifest.ManifestCommitter统计指标名称
加载清单阶段: "job_stage_load_manifests".
OP_STAGE_JOB_RENAME_FILES - Static variable in class org.apache.hadoop.fs.s3a.commit.CommitterStatisticNames
重命名文件阶段持续时间:"op_job_stage_rename_files"。
OP_STAGE_JOB_RENAME_FILES - Static variable in class org.apache.hadoop.mapreduce.lib.output.committer.manifest.ManifestCommitter统计指标名称
重命名文件阶段持续时间: "job_stage_rename_files".
OP_STAGE_JOB_SAVE_SUCCESS - Static variable in class org.apache.hadoop.fs.s3a.commit.CommitterStatisticNames
任务保存 _SUCCESS 标记阶段: "op_job_stage_save_success_marker".
OP_STAGE_JOB_SAVE_SUCCESS - Static variable in class org.apache.hadoop.mapreduce.lib.output.committer.manifest.ManifestCommitter统计指标名称
任务保存 _SUCCESS 标记阶段: "job_stage_save_success_marker".
OP_STAGE_JOB_SETUP - Static variable in class org.apache.hadoop.fs.s3a.commit.CommitterStatisticNames
作业设置阶段: "op_job_stage_setup".
OP_STAGE_JOB_SETUP - Static variable in class org.apache.hadoop.mapreduce.lib.output.committer.manifest.ManifestCommitter统计指标名称
作业设置阶段: "job_stage_setup".
OP_STAGE_JOB_VALIDATE_OUTPUT - Static variable in class org.apache.hadoop.fs.s3a.commit.CommitterStatisticNames
输出验证(在作业提交阶段内):"op_job_stage_optional_validate_output"。
OP_STAGE_JOB_VALIDATE_OUTPUT - Static variable in class org.apache.hadoop.mapreduce.lib.output.committer.manifest.ManifestCommitter统计指标名称
输出验证(在作业提交阶段)阶段:"job_stage_optional_validate_output"。
OP_STAGE_TASK_ABORT_TASK - Static variable in class org.apache.hadoop.fs.s3a.commit.CommitterStatisticNames
任务中止: "op_task_stage_abort_task".
OP_STAGE_TASK_ABORT_TASK - Static variable in class org.apache.hadoop.mapreduce.lib.output.committer.manifest.ManifestCommitter统计指标名称
任务中止: "task_stage_abort_task".
OP_STAGE_TASK_COMMIT - Static variable in class org.apache.hadoop.fs.s3a.commit.CommitterStatisticNames
任务提交阶段:"op_stage_task_commit"。
OP_STAGE_TASK_COMMIT - Static variable in class org.apache.hadoop.mapreduce.lib.output.committer.manifest.ManifestCommitter统计指标名称
任务提交阶段:"task_stage_commit"。
OP_STAGE_TASK_SAVE_MANIFEST - Static variable in class org.apache.hadoop.fs.s3a.commit.CommitterStatisticNames
任务保存清单文件阶段:"op_task_stage_save_manifest"。
OP_STAGE_TASK_SAVE_MANIFEST - Static variable in class org.apache.hadoop.mapreduce.lib.output.committer.manifest.ManifestCommitter统计指标名称
任务保存清单文件阶段:"task_stage_save_manifest"。
OP_STAGE_TASK_SCAN_DIRECTORY - Static variable in class org.apache.hadoop.fs.s3a.commit.CommitterStatisticNames
任务扫描目录阶段:"op_stage_task_scan_directory"。
OP_STAGE_TASK_SCAN_DIRECTORY - Static variable in class org.apache.hadoop.mapreduce.lib.output.committer.manifest.ManifestCommitter统计指标名称
任务扫描目录阶段:"task_stage_scan_directory"。
OP_STAGE_TASK_SETUP - Static variable in class org.apache.hadoop.fs.s3a.commit.CommitterStatisticNames
任务设置阶段: "op_task_stage_setup".
OP_STAGE_TASK_SETUP - Static variable in class org.apache.hadoop.mapreduce.lib.output.committer.manifest.ManifestCommitter统计指标名称
任务设置阶段: "task_stage_setup".
OP_TRUNCATE - Static variable in class org.apache.hadoop.fs.statistics.StoreStatisticNames
"op_truncate".
OP_XATTR_GET_MAP - Static variable in class org.apache.hadoop.fs.statistics.StoreStatisticNames
Invoke getXAttrs(Path path): "op_xattr_get_map".
OP_XATTR_GET_NAMED - Static variable in class org.apache.hadoop.fs.statistics.StoreStatisticNames
Invoke getXAttr(Path, String): "op_xattr_get_named".
OP_XATTR_GET_NAMED_MAP - Static variable in class org.apache.hadoop.fs.statistics.StoreStatisticNames
Invoke getXAttrs(Path path, List<String> names): "op_xattr_get_named_map".
OP_XATTR_LIST - Static variable in class org.apache.hadoop.fs.statistics.StoreStatisticNames
Invoke listXAttrs(Path path): "op_xattr_list".
open(Path) - Method in class org.apache.hadoop.fs.AbstractFileSystem
The specification of this method matches that of FileContext.open(Path) except that Path f must be for this file system.
open(Path, int) - Method in class org.apache.hadoop.fs.AbstractFileSystem
The specification of this method matches that of FileContext.open(Path, int) except that Path f must be for this file system.
open(Path, int) - Method in class org.apache.hadoop.fs.adl.AdlFileSystem
在ADL的情况下,开放调用语义的处理方式有所不同。
open(Path, int) - Method in class org.apache.hadoop.fs.azure.NativeAzureFileSystem
 
open(Path, int) - Method in class org.apache.hadoop.fs.ChecksumFileSystem
在指定的Path路径上打开一个FSDataInputStream数据流。
open(Path) - Method in class org.apache.hadoop.fs.FileContext
使用默认缓冲区大小在指定路径上打开一个FSDataInputStream。
open(Path, int) - Method in class org.apache.hadoop.fs.FileContext
在指定的Path路径上打开一个FSDataInputStream数据流。
open(Path, int) - Method in class org.apache.hadoop.fs.FileSystem
在指定的Path路径上打开一个FSDataInputStream数据流。
open(Path) - Method in class org.apache.hadoop.fs.FileSystem
在指定的Path路径上打开一个FSDataInputStream数据流。
open(PathHandle) - Method in class org.apache.hadoop.fs.FileSystem
打开与PathHandle实例匹配的FSDataInputStream。
open(PathHandle, int) - Method in class org.apache.hadoop.fs.FileSystem
打开与PathHandle实例匹配的FSDataInputStream。
open(Path, int) - Method in class org.apache.hadoop.fs.FilterFileSystem
在指定的Path路径上打开一个FSDataInputStream数据流。
open(PathHandle, int) - Method in class org.apache.hadoop.fs.FilterFileSystem
 
open(Path, int) - Method in class org.apache.hadoop.fs.ftp.FTPFileSystem
 
open(Path, int) - Method in class org.apache.hadoop.fs.RawLocalFileSystem
 
open(PathHandle, int) - Method in class org.apache.hadoop.fs.RawLocalFileSystem
 
open(Path, int) - Method in class org.apache.hadoop.fs.s3native.NativeS3FileSystem
Deprecated.
 
open(Path, int) - Method in class org.apache.hadoop.fs.viewfs.ViewFileSystem
 
open(Path, int) - Method in class org.apache.hadoop.fs.viewfs.ViewFs
 
openConnection(URL, AuthenticatedURL.Token) - Method in class org.apache.hadoop.security.token.delegation.web.DelegationTokenAuthenticatedURL
Returns an authenticated HttpURLConnection, it uses a Delegation Token only if the given auth token is an instance of DelegationTokenAuthenticatedURL.Token and it contains a Delegation Token, otherwise use the configured DelegationTokenAuthenticator to authenticate the connection.
openConnection(URL, DelegationTokenAuthenticatedURL.Token) - Method in class org.apache.hadoop.security.token.delegation.web.DelegationTokenAuthenticatedURL
Returns an authenticated HttpURLConnection.
openConnection(URL, DelegationTokenAuthenticatedURL.Token, String) - Method in class org.apache.hadoop.security.token.delegation.web.DelegationTokenAuthenticatedURL
Returns an authenticated HttpURLConnection.
openFile(Path) - Method in class org.apache.hadoop.fs.ChecksumFileSystem
openFile(Path) - Method in class org.apache.hadoop.fs.FileContext
通过构建器API打开文件以供读取。
openFile(Path) - Method in class org.apache.hadoop.fs.FileSystem
通过构建器API打开文件以供读取。
openFile(PathHandle) - Method in class org.apache.hadoop.fs.FileSystem
通过构建器API打开文件以供读取。
openFile(Path) - Method in class org.apache.hadoop.fs.FilterFileSystem
 
openFile(PathHandle) - Method in class org.apache.hadoop.fs.FilterFileSystem
 
openFileForRead(Path, FileSystem.Statistics, TracingContext) - Method in class org.apache.hadoop.fs.azurebfs.AzureBlobFileSystemStore
 
openFileForRead(Path, Optional, FileSystem.Statistics, TracingContext) - Method in class org.apache.hadoop.fs.azurebfs.AzureBlobFileSystemStore
 
openFileForWrite(Path, FileSystem.Statistics, boolean, TracingContext) - Method in class org.apache.hadoop.fs.azurebfs.AzureBlobFileSystemStore
 
openFileWithOptions(Path, OpenFileParameters) - Method in class org.apache.hadoop.fs.AbstractFileSystem
使用给定的选项集打开文件。
openFileWithOptions(Path, OpenFileParameters) - Method in class org.apache.hadoop.fs.azure.NativeAzureFileSystem
 
openFileWithOptions(Path, OpenFileParameters) - Method in class org.apache.hadoop.fs.ChecksumFileSystem
Open the file as a blocking call to ChecksumFileSystem.open(Path, int).
openFileWithOptions(Path, OpenFileParameters) - Method in class org.apache.hadoop.fs.FileSystem
执行实际的文件打开操作。
openFileWithOptions(PathHandle, OpenFileParameters) - Method in class org.apache.hadoop.fs.FileSystem
执行实际的文件打开操作。
openFileWithOptions(Path, OpenFileParameters) - Method in class org.apache.hadoop.fs.FilterFileSystem
 
openFileWithOptions(PathHandle, OpenFileParameters) - Method in class org.apache.hadoop.fs.FilterFileSystem
 
OperationDuration - Class in org.apache.hadoop.util
短持续时间计数器。
OperationDuration() - Constructor for class org.apache.hadoop.util.OperationDuration
实例化。
operationRetried(String, Exception, int, boolean) - Method in class org.apache.hadoop.fs.s3a.auth.AssumedRoleCredentialProvider
Callback from Invoker when an operation is retried.
OPP_CONTAINER_ALLOCATION_NODES_NUMBER_USED - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
Opportunistic Container分配器在容器分配期间用于调度容器的节点数量。
OPP_CONTAINER_MAX_ALLOCATIONS_PER_AM_HEARTBEAT - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
在AM心跳中分配的最大机会性容器数量。
OPPORTUNITY_CONTAINER_ALLOCATION_ENABLED - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
控制是否启用机会性容器分配的设置。
opt(String, String) - Method in interface org.apache.hadoop.fs.FSBuilder
设置可选的Builder参数。
opt(String, boolean) - Method in interface org.apache.hadoop.fs.FSBuilder
为构建器设置可选的布尔参数。
opt(String, int) - Method in interface org.apache.hadoop.fs.FSBuilder
为构建器设置可选的整型参数。
opt(String, float) - Method in interface org.apache.hadoop.fs.FSBuilder
opt(String, long) - Method in interface org.apache.hadoop.fs.FSBuilder
Deprecated.
opt(String, double) - Method in interface org.apache.hadoop.fs.FSBuilder
opt(String, String...) - Method in interface org.apache.hadoop.fs.FSBuilder
将一组字符串值设置为Builder的可选参数。
opt(String, String) - Method in class org.apache.hadoop.fs.impl.AbstractFSBuilderImpl
设置可选的Builder参数。
opt(String, boolean) - Method in class org.apache.hadoop.fs.impl.AbstractFSBuilderImpl
为构建器设置可选的布尔参数。
opt(String, int) - Method in class org.apache.hadoop.fs.impl.AbstractFSBuilderImpl
为构建器设置可选的整型参数。
opt(String, long) - Method in class org.apache.hadoop.fs.impl.AbstractFSBuilderImpl
 
opt(String, float) - Method in class org.apache.hadoop.fs.impl.AbstractFSBuilderImpl
为构建器设置可选的浮点参数。
opt(String, double) - Method in class org.apache.hadoop.fs.impl.AbstractFSBuilderImpl
为构建器设置可选的双精度参数。
opt(String, String...) - Method in class org.apache.hadoop.fs.impl.AbstractFSBuilderImpl
将字符串数组设置为Builder的可选参数。
OPT_CLEANUP_PARALLEL_DELETE - Static variable in class org.apache.hadoop.mapreduce.lib.output.committer.manifest.ManifestCommitterConstants
在尝试删除顶层目录之前,目录清理是否应并行删除任务尝试目录。
OPT_CLEANUP_PARALLEL_DELETE_BASE_FIRST - Static variable in class org.apache.hadoop.mapreduce.lib.output.committer.manifest.ManifestCommitterConstants
并行清理是否应首先尝试删除基础目录? 对于Azure最为适用,因为它会跳过任务尝试删除步骤,除非顶级删除操作失败。
OPT_CLEANUP_PARALLEL_DELETE_BASE_FIRST_DEFAULT - Static variable in class org.apache.hadoop.mapreduce.lib.output.committer.manifest.ManifestCommitterConstants
OPT_CLEANUP_PARALLEL_DELETE_DIRS_DEFAULT - Static variable in class org.apache.hadoop.mapreduce.lib.output.committer.manifest.ManifestCommitterConstants
默认值: true.
OPT_DELETE_TARGET_FILES - Static variable in class org.apache.hadoop.mapreduce.lib.output.committer.manifest.ManifestCommitterConstants
是否应该在重命名目标处提交删除文件/目录的任务,如果找到则删除它们? 这是FileOutputCommitter的有效行为的一部分,但它会为每个提交的文件增加一个额外的删除调用。
OPT_DELETE_TARGET_FILES_DEFAULT - Static variable in class org.apache.hadoop.mapreduce.lib.output.committer.manifest.ManifestCommitterConstants
默认值: false.
OPT_DIAGNOSTICS_MANIFEST_DIR - Static variable in class org.apache.hadoop.mapreduce.lib.output.committer.manifest.ManifestCommitterConstants
用于移动诊断清单的目录。
OPT_EXTENSION - Static variable in class org.apache.hadoop.io.compress.PassthroughCodec
控制代码扩展的选项:"io.compress.passthrough.extension"。
OPT_IO_PROCESSORS - Static variable in class org.apache.hadoop.mapreduce.lib.output.committer.manifest.ManifestCommitterConstants
用于IO的线程数。
OPT_IO_PROCESSORS_DEFAULT - Static variable in class org.apache.hadoop.mapreduce.lib.output.committer.manifest.ManifestCommitterConstants
默认值:32。
OPT_MANIFEST_SAVE_ATTEMPTS - Static variable in class org.apache.hadoop.mapreduce.lib.output.committer.manifest.ManifestCommitterConstants
在放弃之前,尝试通过保存和重命名来保存任务清单的次数。
OPT_MANIFEST_SAVE_ATTEMPTS_DEFAULT - Static variable in class org.apache.hadoop.mapreduce.lib.output.committer.manifest.ManifestCommitterConstants
OPT_PREFIX - Static variable in class org.apache.hadoop.fs.s3a.commit.CommitConstants
用于配置选项的前缀:"fs.s3a.committer."。
OPT_PREFIX - Static variable in class org.apache.hadoop.mapreduce.lib.output.committer.manifest.ManifestCommitterConstants
用于配置选项的前缀:"mapreduce.manifest.committer."。
OPT_STORE_OPERATIONS_CLASS - Static variable in class org.apache.hadoop.mapreduce.lib.output.committer.manifest.ManifestCommitterConstants
存储操作的类名;文件系统和测试可能会覆盖。
OPT_SUMMARY_REPORT_DIR - Static variable in class org.apache.hadoop.fs.s3a.commit.CommitConstants
保存作业摘要报告的目录。
OPT_SUMMARY_REPORT_DIR - Static variable in class org.apache.hadoop.mapreduce.lib.output.committer.manifest.ManifestCommitterConstants
保存作业摘要报告的目录。
OPT_VALIDATE_OUTPUT - Static variable in class org.apache.hadoop.mapreduce.lib.output.committer.manifest.ManifestCommitterConstants
输出内容是否需要验证? 这将检查预期与实际文件长度是否一致,并且, 如果能够获取etags,还会验证etags。
OPT_VALIDATE_OUTPUT_DEFAULT - Static variable in class org.apache.hadoop.mapreduce.lib.output.committer.manifest.ManifestCommitterConstants
默认值: false.
OPT_WRITER_QUEUE_CAPACITY - Static variable in class org.apache.hadoop.mapreduce.lib.output.committer.manifest.ManifestCommitterConstants
任务清单加载与条目文件写入器之间的队列容量。
optDouble(String, double) - Method in interface org.apache.hadoop.fs.FSBuilder
为构建器设置可选的双精度参数。
optDouble(String, double) - Method in class org.apache.hadoop.fs.impl.AbstractFSBuilderImpl
为构建器设置可选的双精度参数。
OPTIMIZED_COPY_FROM_LOCAL - Static variable in class org.apache.hadoop.fs.s3a.常量
是否启用了从本地文件到S3的高性能复制功能? 如果出现问题,此开关允许禁用该功能。
OPTIMIZED_COPY_FROM_LOCAL_DEFAULT - Static variable in class org.apache.hadoop.fs.s3a.常量
options(Configuration) - Static method in class org.apache.hadoop.crypto.key.KeyProvider
一个辅助函数,用于创建选项对象。
选项 - Class in org.apache.hadoop.fs
该类包含与文件系统操作相关的选项。
Options() - Constructor for class org.apache.hadoop.fs.选项
 
Options.OpenFileOptions - Class in org.apache.hadoop.fs
The standard openFile() options.
optLong(String, long) - Method in interface org.apache.hadoop.fs.FSBuilder
为构建器设置可选的长参数。
optLong(String, long) - Method in class org.apache.hadoop.fs.impl.AbstractFSBuilderImpl
 
or(FsAction) - Method in enum org.apache.hadoop.fs.permission.FsAction
OR 操作。
or(Filter) - Method in class org.apache.hadoop.util.bloom.BloomFilter
 
或(过滤器) - Method in class org.apache.hadoop.util.bloom.CountingBloomFilter
 
或(过滤器) - Method in class org.apache.hadoop.util.bloom.DynamicBloomFilter
 
or(PlacementConstraint.AbstractConstraint...) - Static method in class org.apache.hadoop.yarn.api.resource.PlacementConstraints
约束条件的析取。
OracleDataDrivenDBInputFormat<T extends DBWritable> - Class in org.apache.hadoop.mapreduce.lib.db
一种从Oracle数据库的SQL表中读取输入数据的InputFormat。
OracleDataDrivenDBInputFormat() - Constructor for class org.apache.hadoop.mapreduce.lib.db.OracleDataDrivenDBInputFormat
 
OracleDataDrivenDBRecordReader<T extends DBWritable> - Class in org.apache.hadoop.mapreduce.lib.db
一个通过DataDrivenDBRecordReader从Oracle表读取记录的RecordReader
OracleDataDrivenDBRecordReader(DBInputFormat.DBInputSplit, Class, Configuration, Connection, DBConfiguration, String, String[], String) - Constructor for class org.apache.hadoop.mapreduce.lib.db.OracleDataDrivenDBRecordReader
 
OracleDateSplitter - Class in org.apache.hadoop.mapreduce.lib.db
在Oracle数据库返回的日期/时间值上实现DBSplitter。
OracleDateSplitter() - Constructor for class org.apache.hadoop.mapreduce.lib.db.OracleDateSplitter
 
OracleDBRecordReader<T extends DBWritable> - Class in org.apache.hadoop.mapreduce.lib.db
一个从Oracle SQL表读取记录的RecordReader。
OracleDBRecordReader(DBInputFormat.DBInputSplit, Class, Configuration, Connection, DBConfiguration, String, String[], String) - Constructor for class org.apache.hadoop.mapreduce.lib.db.OracleDBRecordReader
 
org.apache.hadoop - package org.apache.hadoop
 
org.apache.hadoop.applications.mawo.server.common - package org.apache.hadoop.applications.mawo.server.common
授权给Apache软件基金会(ASF),遵循一个或多个贡献者许可协议。
org.apache.hadoop.applications.mawo.server.master.job - package org.apache.hadoop.applications.mawo.server.master.job
授权给Apache软件基金会(ASF),遵循一个或多个贡献者许可协议。
org.apache.hadoop.applications.mawo.server.worker - package org.apache.hadoop.applications.mawo.server.worker
授权给Apache软件基金会(ASF),遵循一个或多个贡献者许可协议。
org.apache.hadoop.benchmark - package org.apache.hadoop.benchmark
向量化读取IO操作的基准测试。
org.apache.hadoop.benchmark.generated - package org.apache.hadoop.benchmark.generated
 
org.apache.hadoop.classification - package org.apache.hadoop.classification
 
org.apache.hadoop.conf - package org.apache.hadoop.conf
系统参数配置。
org.apache.hadoop.contrib.utils.join - package org.apache.hadoop.contrib.utils.join
 
org.apache.hadoop.crypto - package org.apache.hadoop.crypto
 
org.apache.hadoop.crypto.key - package org.apache.hadoop.crypto.key
授权给Apache软件基金会(ASF),遵循一个或多个贡献者许可协议。
org.apache.hadoop.crypto.key.kms - package org.apache.hadoop.crypto.key.kms
 
org.apache.hadoop.crypto.key.kms.server - package org.apache.hadoop.crypto.key.kms.server
 
org.apache.hadoop.crypto.random - package org.apache.hadoop.crypto.random
 
org.apache.hadoop.examples - package org.apache.hadoop.examples
Hadoop示例代码。
org.apache.hadoop.examples.dancing - package org.apache.hadoop.examples.dancing
This package is a distributed implementation of Knuth's dancing links algorithm that can run under Hadoop.
org.apache.hadoop.examples.pi - package org.apache.hadoop.examples.pi
This package consists of a map/reduce application, distbbp, which computes exact binary digits of the mathematical constant π.
org.apache.hadoop.examples.pi.math - package org.apache.hadoop.examples.pi.math
该软件包为distbbp程序提供了实用的数学库类。
org.apache.hadoop.examples.terasort - package org.apache.hadoop.examples.terasort
This package consists of 3 map/reduce applications for Hadoop to compete in the annual terabyte sort competition.
org.apache.hadoop.filecache - package org.apache.hadoop.filecache
 
org.apache.hadoop.fs - package org.apache.hadoop.fs
Implementations of AbstractFileSystem for hdfs over rpc and hdfs over web.
org.apache.hadoop.fs.adl - package org.apache.hadoop.fs.adl
用于指标检测的支持类。
org.apache.hadoop.fs.adl.oauth2 - package org.apache.hadoop.fs.adl.oauth2
公开接口,用于暴露OAuth2认证相关功能。
org.apache.hadoop.fs.aliyun.oss - package org.apache.hadoop.fs.aliyun.oss
阿里云OSS文件系统。
org.apache.hadoop.fs.audit - package org.apache.hadoop.fs.audit
用于向文件系统客户端收集的任何审计信息添加信息的公共类。
org.apache.hadoop.fs.azure - package org.apache.hadoop.fs.azure
A distributed implementation of FileSystem for reading and writing files on Azure Block Storage.
org.apache.hadoop.fs.azure.metrics - package org.apache.hadoop.fs.azure.metrics
为Metrics2源提供的基础设施,用于获取Hadoop实例中Windows Azure文件系统的相关信息。
org.apache.hadoop.fs.azurebfs - package org.apache.hadoop.fs.azurebfs
A distributed implementation of FileSystem for reading and writing files on Azure Storage.
org.apache.hadoop.fs.azurebfs.constants - package org.apache.hadoop.fs.azurebfs.constants
 
org.apache.hadoop.fs.azurebfs.contracts - package org.apache.hadoop.fs.azurebfs.contracts
 
org.apache.hadoop.fs.azurebfs.contracts.exceptions - package org.apache.hadoop.fs.azurebfs.contracts.exceptions
 
org.apache.hadoop.fs.azurebfs.contracts.services - package org.apache.hadoop.fs.azurebfs.contracts.services
 
org.apache.hadoop.fs.azurebfs.enums - package org.apache.hadoop.fs.azurebfs.enums
 
org.apache.hadoop.fs.azurebfs.oauth2 - package org.apache.hadoop.fs.azurebfs.oauth2
授权给Apache软件基金会(ASF),遵循一个或多个贡献者许可协议。
org.apache.hadoop.fs.cosn - package org.apache.hadoop.fs.cosn
授权给Apache软件基金会(ASF),遵循一个或多个贡献者许可协议。
org.apache.hadoop.fs.cosn.auth - package org.apache.hadoop.fs.cosn.auth
授权给Apache软件基金会(ASF),遵循一个或多个贡献者许可协议。
org.apache.hadoop.fs.crypto - package org.apache.hadoop.fs.crypto
 
org.apache.hadoop.fs.ftp - package org.apache.hadoop.fs.ftp
 
org.apache.hadoop.fs.http - package org.apache.hadoop.fs.http
允许Hadoop直接从HTTP/HTTPS端点读取的文件系统实现。
org.apache.hadoop.fs.http.client - package org.apache.hadoop.fs.http.client
 
org.apache.hadoop.fs.http.server - package org.apache.hadoop.fs.http.server
 
org.apache.hadoop.fs.http.server.metrics - package org.apache.hadoop.fs.http.server.metrics
一个用于为HttpFS服务器实现指标的包。
org.apache.hadoop.fs.obs - package org.apache.hadoop.fs.obs
Package for supporting 华为云对象存储服务 (OBS) as a backend filesystem in Hadoop.
org.apache.hadoop.fs.protocolPB - package org.apache.hadoop.fs.protocolPB
授权给Apache软件基金会(ASF),遵循一个或多个贡献者许可协议。
org.apache.hadoop.fs.s3native - package org.apache.hadoop.fs.s3native
A distributed implementation of FileSystem for reading and writing files on Amazon S3.
org.apache.hadoop.fs.sftp - package org.apache.hadoop.fs.sftp
SFTP文件系统包。
org.apache.hadoop.fs.shell.find - package org.apache.hadoop.fs.shell.find
 
org.apache.hadoop.fs.statistics - package org.apache.hadoop.fs.statistics
该软件包包含统计收集和报告的支持功能。
org.apache.hadoop.ha - package org.apache.hadoop.ha
 
org.apache.hadoop.ha.proto - package org.apache.hadoop.ha.proto
 
org.apache.hadoop.ha.protocolPB - package org.apache.hadoop.ha.protocolPB
 
org.apache.hadoop.hdfs - package org.apache.hadoop.hdfs
A distributed implementation of FileSystem.
org.apache.hadoop.hdfs.client - package org.apache.hadoop.hdfs.client
本包提供HDFS的管理API。
org.apache.hadoop.hdfs.client.impl - package org.apache.hadoop.hdfs.client.impl
授权给Apache软件基金会(ASF),遵循一个或多个贡献者许可协议。
org.apache.hadoop.hdfs.federation.protocol.proto - package org.apache.hadoop.hdfs.federation.protocol.proto
 
org.apache.hadoop.hdfs.inotify - package org.apache.hadoop.hdfs.inotify
 
org.apache.hadoop.hdfs.net - package org.apache.hadoop.hdfs.net
 
org.apache.hadoop.hdfs.nfs.conf - package org.apache.hadoop.hdfs.nfs.conf
 
org.apache.hadoop.hdfs.nfs.mount - package org.apache.hadoop.hdfs.nfs.mount
 
org.apache.hadoop.hdfs.nfs.nfs3 - package org.apache.hadoop.hdfs.nfs.nfs3
 
org.apache.hadoop.hdfs.protocol - package org.apache.hadoop.hdfs.protocol
授权给Apache软件基金会(ASF),遵循一个或多个贡献者许可协议。
org.apache.hadoop.hdfs.protocol.datatransfer - package org.apache.hadoop.hdfs.protocol.datatransfer
该软件包包含与hdfs数据传输协议相关的类。
org.apache.hadoop.hdfs.protocol.datatransfer.sasl - package org.apache.hadoop.hdfs.protocol.datatransfer.sasl
 
org.apache.hadoop.hdfs.protocol.proto - package org.apache.hadoop.hdfs.protocol.proto
 
org.apache.hadoop.hdfs.protocolPB - package org.apache.hadoop.hdfs.protocolPB
授权给Apache软件基金会(ASF),遵循一个或多个贡献者许可协议。
org.apache.hadoop.hdfs.qjournal.client - package org.apache.hadoop.hdfs.qjournal.client
 
org.apache.hadoop.hdfs.qjournal.protocol - package org.apache.hadoop.hdfs.qjournal.protocol
 
org.apache.hadoop.hdfs.qjournal.protocolPB - package org.apache.hadoop.hdfs.qjournal.protocolPB
 
org.apache.hadoop.hdfs.qjournal.server - package org.apache.hadoop.hdfs.qjournal.server
 
org.apache.hadoop.hdfs.rbfbalance - package org.apache.hadoop.hdfs.rbfbalance
FedBalance是一个用于在联邦集群间平衡数据的工具。
org.apache.hadoop.hdfs.security.token.block - package org.apache.hadoop.hdfs.security.token.block
 
org.apache.hadoop.hdfs.security.token.delegation - package org.apache.hadoop.hdfs.security.token.delegation
 
org.apache.hadoop.hdfs.server.aliasmap - package org.apache.hadoop.hdfs.server.aliasmap
 
org.apache.hadoop.hdfs.server.balancer - package org.apache.hadoop.hdfs.server.balancer
 
org.apache.hadoop.hdfs.server.blockmanagement - package org.apache.hadoop.hdfs.server.blockmanagement
 
org.apache.hadoop.hdfs.server.common - package org.apache.hadoop.hdfs.server.common
 
org.apache.hadoop.hdfs.server.common.blockaliasmap - package org.apache.hadoop.hdfs.server.common.blockaliasmap
AliasMap定义了PROVIDED HDFS块与远程存储系统中数据的映射关系。
org.apache.hadoop.hdfs.server.common.blockaliasmap.impl - package org.apache.hadoop.hdfs.server.common.blockaliasmap.impl
 
org.apache.hadoop.hdfs.server.datanode - package org.apache.hadoop.hdfs.server.datanode
 
org.apache.hadoop.hdfs.server.datanode.fsdataset - package org.apache.hadoop.hdfs.server.datanode.fsdataset
 
org.apache.hadoop.hdfs.server.datanode.fsdataset.impl - package org.apache.hadoop.hdfs.server.datanode.fsdataset.impl
 
org.apache.hadoop.hdfs.server.datanode.metrics - package org.apache.hadoop.hdfs.server.datanode.metrics
 
org.apache.hadoop.hdfs.server.datanode.web - package org.apache.hadoop.hdfs.server.datanode.web
数据节点HTTP类。
org.apache.hadoop.hdfs.server.datanode.web.webhdfs - package org.apache.hadoop.hdfs.server.datanode.web.webhdfs
 
org.apache.hadoop.hdfs.server.diskbalancer - package org.apache.hadoop.hdfs.server.diskbalancer
Disk Balancer connects to a .DataNode and attempts to spread data across all volumes evenly.
org.apache.hadoop.hdfs.server.diskbalancer.command - package org.apache.hadoop.hdfs.server.diskbalancer.command
磁盘均衡器命令行工具的命令。
org.apache.hadoop.hdfs.server.diskbalancer.connectors - package org.apache.hadoop.hdfs.server.diskbalancer.connectors
连接器包是一组逻辑连接器,用于连接到各种数据源以读取hadoop集群信息。
org.apache.hadoop.hdfs.server.diskbalancer.datamodel - package org.apache.hadoop.hdfs.server.diskbalancer.datamodel
Disk Balancer 数据模型是集群的数据模型,Disk Balancer 正在对其进行操作。
org.apache.hadoop.hdfs.server.diskbalancer.planner - package org.apache.hadoop.hdfs.server.diskbalancer.planner
Planner接收一个DiskBalancerVolumeSet和阈值参数,计算出一系列步骤,使该DiskBalancerVolumeSet中各卷之间的数据分布达到均衡。
org.apache.hadoop.hdfs.server.mover - package org.apache.hadoop.hdfs.server.mover
Mover是一个用于分层存储的数据迁移工具。
org.apache.hadoop.hdfs.server.namenode - package org.apache.hadoop.hdfs.server.namenode
 
org.apache.hadoop.hdfs.server.namenode.ha - package org.apache.hadoop.hdfs.server.namenode.ha
 
org.apache.hadoop.hdfs.server.namenode.ha.proto - package org.apache.hadoop.hdfs.server.namenode.ha.proto
 
org.apache.hadoop.hdfs.server.namenode.metrics - package org.apache.hadoop.hdfs.server.namenode.metrics
 
org.apache.hadoop.hdfs.server.namenode.snapshot - package org.apache.hadoop.hdfs.server.namenode.snapshot
 
org.apache.hadoop.hdfs.server.namenode.top - package org.apache.hadoop.hdfs.server.namenode.top
 
org.apache.hadoop.hdfs.server.namenode.top.metrics - package org.apache.hadoop.hdfs.server.namenode.top.metrics
 
org.apache.hadoop.hdfs.server.namenode.top.window - package org.apache.hadoop.hdfs.server.namenode.top.window
 
org.apache.hadoop.hdfs.server.namenode.visitor - package org.apache.hadoop.hdfs.server.namenode.visitor
使用访问者模式来遍历命名空间树。
org.apache.hadoop.hdfs.server.namenode.web.resources - package org.apache.hadoop.hdfs.server.namenode.web.resources
 
org.apache.hadoop.hdfs.server.sps.metrics - package org.apache.hadoop.hdfs.server.sps.metrics
该软件包提供了将外部SPS指标暴露给JMX的能力。
org.apache.hadoop.hdfs.shortcircuit - package org.apache.hadoop.hdfs.shortcircuit
 
org.apache.hadoop.hdfs.tools - package org.apache.hadoop.hdfs.tools
 
org.apache.hadoop.hdfs.tools.federation - package org.apache.hadoop.hdfs.tools.federation
它包括用于管理基于Router的联邦的工具。
org.apache.hadoop.hdfs.tools.offlineEditsViewer - package org.apache.hadoop.hdfs.tools.offlineEditsViewer
 
org.apache.hadoop.hdfs.tools.offlineImageViewer - package org.apache.hadoop.hdfs.tools.offlineImageViewer
 
org.apache.hadoop.hdfs.tools.snapshot - package org.apache.hadoop.hdfs.tools.snapshot
 
org.apache.hadoop.hdfs.util - package org.apache.hadoop.hdfs.util
授权给Apache软件基金会(ASF),遵循一个或多个贡献者许可协议。
org.apache.hadoop.hdfs.web - package org.apache.hadoop.hdfs.web
 
org.apache.hadoop.hdfs.web.oauth2 - package org.apache.hadoop.hdfs.web.oauth2
基于OAuth2的WebHDFS认证。
org.apache.hadoop.hdfs.web.resources - package org.apache.hadoop.hdfs.web.resources
 
org.apache.hadoop.http.lib - package org.apache.hadoop.http.lib
该软件包提供可通过配置选择的类,用于为Web用户界面添加功能。
org.apache.hadoop.io - package org.apache.hadoop.io
用于在读写网络数据、数据库和文件时通用的输入/输出代码。
org.apache.hadoop.io.compress - package org.apache.hadoop.io.compress
 
org.apache.hadoop.io.erasurecode - package org.apache.hadoop.io.erasurecode
 
org.apache.hadoop.io.erasurecode.coder.util - package org.apache.hadoop.io.erasurecode.coder.util
 
org.apache.hadoop.io.erasurecode.grouper - package org.apache.hadoop.io.erasurecode.grouper
 
org.apache.hadoop.io.file.tfile - package org.apache.hadoop.io.file.tfile
 
org.apache.hadoop.io.serializer - package org.apache.hadoop.io.serializer
该软件包提供了一种在Hadoop中使用不同序列化框架的机制。
org.apache.hadoop.io.serializer.avro - package org.apache.hadoop.io.serializer.avro
这个包提供Hadoop中的Avro序列化功能。
org.apache.hadoop.io.wrappedio - package org.apache.hadoop.io.wrappedio
支持动态访问旧版hadoop中不可用的文件系统操作。
org.apache.hadoop.ipc.proto - package org.apache.hadoop.ipc.proto
 
org.apache.hadoop.ipc.protobuf - package org.apache.hadoop.ipc.protobuf
 
org.apache.hadoop.ipc.protocolPB - package org.apache.hadoop.ipc.protocolPB
 
org.apache.hadoop.lib.lang - package org.apache.hadoop.lib.lang
 
org.apache.hadoop.lib.server - package org.apache.hadoop.lib.server
 
org.apache.hadoop.lib.service - package org.apache.hadoop.lib.service
 
org.apache.hadoop.lib.service.hadoop - package org.apache.hadoop.lib.service.hadoop
 
org.apache.hadoop.lib.service.instrumentation - package org.apache.hadoop.lib.service.instrumentation
 
org.apache.hadoop.lib.service.scheduler - package org.apache.hadoop.lib.service.scheduler
 
org.apache.hadoop.lib.service.security - package org.apache.hadoop.lib.service.security
 
org.apache.hadoop.lib.servlet - package org.apache.hadoop.lib.servlet
 
org.apache.hadoop.lib.util - package org.apache.hadoop.lib.util
 
org.apache.hadoop.lib.wsrs - package org.apache.hadoop.lib.wsrs
 
org.apache.hadoop.log - package org.apache.hadoop.log
 
org.apache.hadoop.mapred - package org.apache.hadoop.mapred
 
org.apache.hadoop.mapred.gridmix - package org.apache.hadoop.mapred.gridmix
 
org.apache.hadoop.mapred.gridmix.emulators.resourceusage - package org.apache.hadoop.mapred.gridmix.emulators.resourceusage
 
org.apache.hadoop.mapred.jobcontrol - package org.apache.hadoop.mapred.jobcontrol
 
org.apache.hadoop.mapred.join - package org.apache.hadoop.mapred.join
 
org.apache.hadoop.mapred.lib - package org.apache.hadoop.mapred.lib
 
org.apache.hadoop.mapred.lib.aggregate - package org.apache.hadoop.mapred.lib.aggregate
 
org.apache.hadoop.mapred.lib.db - package org.apache.hadoop.mapred.lib.db
 
org.apache.hadoop.mapred.nativetask - package org.apache.hadoop.mapred.nativetask
 
org.apache.hadoop.mapred.nativetask.buffer - package org.apache.hadoop.mapred.nativetask.buffer
 
org.apache.hadoop.mapred.nativetask.handlers - package org.apache.hadoop.mapred.nativetask.handlers
 
org.apache.hadoop.mapred.nativetask.serde - package org.apache.hadoop.mapred.nativetask.serde
 
org.apache.hadoop.mapred.nativetask.util - package org.apache.hadoop.mapred.nativetask.util
 
org.apache.hadoop.mapred.pipes - package org.apache.hadoop.mapred.pipes
 
org.apache.hadoop.mapred.proto - package org.apache.hadoop.mapred.proto
 
org.apache.hadoop.mapred.tools - package org.apache.hadoop.mapred.tools
与MapReduce相关的命令行工具。
org.apache.hadoop.mapred.uploader - package org.apache.hadoop.mapred.uploader
包 org.apache.hadoop.mapred.uploader 包含与 MapReduce 框架上传工具相关的类。
org.apache.hadoop.mapreduce - package org.apache.hadoop.mapreduce
 
org.apache.hadoop.mapreduce.checkpoint - package org.apache.hadoop.mapreduce.checkpoint
 
org.apache.hadoop.mapreduce.counters - package org.apache.hadoop.mapreduce.counters
本包包含不同类型map-reduce计数器的实现。
org.apache.hadoop.mapreduce.lib.aggregate - package org.apache.hadoop.mapreduce.lib.aggregate
 
org.apache.hadoop.mapreduce.lib.chain - package org.apache.hadoop.mapreduce.lib.chain
 
org.apache.hadoop.mapreduce.lib.db - package org.apache.hadoop.mapreduce.lib.db
 
org.apache.hadoop.mapreduce.lib.fieldsel - package org.apache.hadoop.mapreduce.lib.fieldsel
 
org.apache.hadoop.mapreduce.lib.input - package org.apache.hadoop.mapreduce.lib.input
 
org.apache.hadoop.mapreduce.lib.jobcontrol - package org.apache.hadoop.mapreduce.lib.jobcontrol
 
org.apache.hadoop.mapreduce.lib.join - package org.apache.hadoop.mapreduce.lib.join
 
org.apache.hadoop.mapreduce.lib.map - package org.apache.hadoop.mapreduce.lib.map
 
org.apache.hadoop.mapreduce.lib.output - package org.apache.hadoop.mapreduce.lib.output
 
org.apache.hadoop.mapreduce.lib.output.committer.manifest.files - package org.apache.hadoop.mapreduce.lib.output.committer.manifest.files
持久化格式。
org.apache.hadoop.mapreduce.lib.partition - package org.apache.hadoop.mapreduce.lib.partition
 
org.apache.hadoop.mapreduce.lib.reduce - package org.apache.hadoop.mapreduce.lib.reduce
 
org.apache.hadoop.mapreduce.server.jobtracker - package org.apache.hadoop.mapreduce.server.jobtracker
 
org.apache.hadoop.mapreduce.server.tasktracker - package org.apache.hadoop.mapreduce.server.tasktracker
 
org.apache.hadoop.mapreduce.task.annotation - package org.apache.hadoop.mapreduce.task.annotation
 
org.apache.hadoop.mapreduce.tools - package org.apache.hadoop.mapreduce.tools
 
org.apache.hadoop.mapreduce.v2 - package org.apache.hadoop.mapreduce.v2
 
org.apache.hadoop.mapreduce.v2.api.protocolrecords - package org.apache.hadoop.mapreduce.v2.api.protocolrecords
 
org.apache.hadoop.mapreduce.v2.app.rm.preemption - package org.apache.hadoop.mapreduce.v2.app.rm.preemption
 
org.apache.hadoop.mapreduce.v2.app.webapp.dao - package org.apache.hadoop.mapreduce.v2.app.webapp.dao
 
org.apache.hadoop.mapreduce.v2.hs - package org.apache.hadoop.mapreduce.v2.hs
 
org.apache.hadoop.mapreduce.v2.hs.client - package org.apache.hadoop.mapreduce.v2.hs.client
 
org.apache.hadoop.mapreduce.v2.hs.proto - package org.apache.hadoop.mapreduce.v2.hs.proto
 
org.apache.hadoop.mapreduce.v2.hs.protocolPB - package org.apache.hadoop.mapreduce.v2.hs.protocolPB
 
org.apache.hadoop.mapreduce.v2.hs.server - package org.apache.hadoop.mapreduce.v2.hs.server
 
org.apache.hadoop.mapreduce.v2.hs.webapp.dao - package org.apache.hadoop.mapreduce.v2.hs.webapp.dao
 
org.apache.hadoop.mapreduce.v2.security - package org.apache.hadoop.mapreduce.v2.security
 
org.apache.hadoop.maven.plugin.cmakebuilder - package org.apache.hadoop.maven.plugin.cmakebuilder
 
org.apache.hadoop.maven.plugin.paralleltests - package org.apache.hadoop.maven.plugin.paralleltests
 
org.apache.hadoop.maven.plugin.protoc - package org.apache.hadoop.maven.plugin.protoc
用于基于协议缓冲区通过protoc命令生成Java文件的插件。
org.apache.hadoop.maven.plugin.resourcegz - package org.apache.hadoop.maven.plugin.resourcegz
 
org.apache.hadoop.maven.plugin.util - package org.apache.hadoop.maven.plugin.util
 
org.apache.hadoop.maven.plugin.versioninfo - package org.apache.hadoop.maven.plugin.versioninfo
 
org.apache.hadoop.metrics2 - package org.apache.hadoop.metrics2
指标 2.0
org.apache.hadoop.metrics2.annotation - package org.apache.hadoop.metrics2.annotation
用于指标检测的注解接口
org.apache.hadoop.metrics2.filter - package org.apache.hadoop.metrics2.filter
内置指标过滤器(用于指标配置文件)
org.apache.hadoop.metrics2.lib - package org.apache.hadoop.metrics2.lib
用于实现指标源的库类集合
org.apache.hadoop.metrics2.sink - package org.apache.hadoop.metrics2.sink
内置指标接收器
org.apache.hadoop.metrics2.sink.ganglia - package org.apache.hadoop.metrics2.sink.ganglia
 
org.apache.hadoop.metrics2.source - package org.apache.hadoop.metrics2.source
 
org.apache.hadoop.metrics2.util - package org.apache.hadoop.metrics2.util
用于实现数据源和数据接收器的通用辅助工具
org.apache.hadoop.minikdc - package org.apache.hadoop.minikdc
 
org.apache.hadoop.mount - package org.apache.hadoop.mount
 
org.apache.hadoop.net - package org.apache.hadoop.net
与网络相关的类。
org.apache.hadoop.net.unix - package org.apache.hadoop.net.unix
 
org.apache.hadoop.nfs - package org.apache.hadoop.nfs
 
org.apache.hadoop.nfs.nfs3 - package org.apache.hadoop.nfs.nfs3
 
org.apache.hadoop.nfs.nfs3.request - package org.apache.hadoop.nfs.nfs3.request
 
org.apache.hadoop.nfs.nfs3.response - package org.apache.hadoop.nfs.nfs3.response
 
org.apache.hadoop.oncrpc - package org.apache.hadoop.oncrpc
 
org.apache.hadoop.oncrpc.security - package org.apache.hadoop.oncrpc.security
 
org.apache.hadoop.portmap - package org.apache.hadoop.portmap
 
org.apache.hadoop.record - package org.apache.hadoop.record
(已弃用) Hadoop记录I/O包含类和记录描述语言转换器,用于以语言中立的方式简化记录的序列化和反序列化。
org.apache.hadoop.registry.cli - package org.apache.hadoop.registry.cli
 
org.apache.hadoop.registry.client.api - package org.apache.hadoop.registry.client.api
YARN注册表客户端API。
org.apache.hadoop.registry.client.binding - package org.apache.hadoop.registry.client.binding
注册表绑定工具类。
org.apache.hadoop.registry.client.exceptions - package org.apache.hadoop.registry.client.exceptions
注册服务异常
org.apache.hadoop.registry.client.impl - package org.apache.hadoop.registry.client.impl
注册表客户端服务
org.apache.hadoop.registry.client.impl.zk - package org.apache.hadoop.registry.client.impl.zk
核心Zookeeper支持。
org.apache.hadoop.registry.client.types - package org.apache.hadoop.registry.client.types
该软件包包含所有可以保存到注册表的数据类型,并且/或者可以序列化为JSON或从JSON反序列化。
org.apache.hadoop.registry.client.types.yarn - package org.apache.hadoop.registry.client.types.yarn
 
org.apache.hadoop.registry.conf - package org.apache.hadoop.registry.conf
Hadoop服务注册表的配置。
org.apache.hadoop.registry.server - package org.apache.hadoop.registry.server
注册表的服务器端类
org.apache.hadoop.registry.server.dns - package org.apache.hadoop.registry.server.dns
DNS服务器类。
org.apache.hadoop.registry.server.integration - package org.apache.hadoop.registry.server.integration
该软件包包含与YARN资源管理器集成的类。
org.apache.hadoop.registry.server.services - package org.apache.hadoop.registry.server.services
Basic services for the YARN registry The RegistryAdminService extends the shared YARN Registry client with registry setup and (potentially asynchronous) administrative actions.
org.apache.hadoop.resourceestimator.common.api - package org.apache.hadoop.resourceestimator.common.api
资源估算器的通用API。
org.apache.hadoop.resourceestimator.common.config - package org.apache.hadoop.resourceestimator.common.config
资源估算器的通用配置。
org.apache.hadoop.resourceestimator.common.exception - package org.apache.hadoop.resourceestimator.common.exception
资源估算器的常见异常。
org.apache.hadoop.resourceestimator.common.serialization - package org.apache.hadoop.resourceestimator.common.serialization
SkylineStore序列化模块。
org.apache.hadoop.resourceestimator.service - package org.apache.hadoop.resourceestimator.service
资源估算服务。
org.apache.hadoop.resourceestimator.skylinestore.api - package org.apache.hadoop.resourceestimator.skylinestore.api
APIs for the SkylineStore.
org.apache.hadoop.resourceestimator.skylinestore.exceptions - package org.apache.hadoop.resourceestimator.skylinestore.exceptions
SkylineStore异常模块。
org.apache.hadoop.resourceestimator.skylinestore.impl - package org.apache.hadoop.resourceestimator.skylinestore.impl
Implementation for SkylineStore.
org.apache.hadoop.resourceestimator.skylinestore.validator - package org.apache.hadoop.resourceestimator.skylinestore.validator
Validator for SkylineStore.
org.apache.hadoop.resourceestimator.solver.api - package org.apache.hadoop.resourceestimator.solver.api
API for Solver.
org.apache.hadoop.resourceestimator.solver.exceptions - package org.apache.hadoop.resourceestimator.solver.exceptions
异常模块。
org.apache.hadoop.resourceestimator.solver.impl - package org.apache.hadoop.resourceestimator.solver.impl
Implementation for Solver.
org.apache.hadoop.resourceestimator.solver.preprocess - package org.apache.hadoop.resourceestimator.solver.preprocess
Preprocessor for Solver.
org.apache.hadoop.resourceestimator.translator.api - package org.apache.hadoop.resourceestimator.translator.api
API for Translator.
org.apache.hadoop.resourceestimator.translator.exceptions - package org.apache.hadoop.resourceestimator.translator.exceptions
Exception for Translator.
org.apache.hadoop.resourceestimator.translator.impl - package org.apache.hadoop.resourceestimator.translator.impl
Implementation for Translator.
org.apache.hadoop.resourceestimator.translator.validator - package org.apache.hadoop.resourceestimator.translator.validator
Validator for Translator.
org.apache.hadoop.security - package org.apache.hadoop.security
 
org.apache.hadoop.security.alias - package org.apache.hadoop.security.alias
提供hadoop凭证提供者API。
org.apache.hadoop.security.authentication.client - package org.apache.hadoop.security.authentication.client
 
org.apache.hadoop.security.authentication.examples - package org.apache.hadoop.security.authentication.examples
 
org.apache.hadoop.security.authentication.util - package org.apache.hadoop.security.authentication.util
 
org.apache.hadoop.security.authorize - package org.apache.hadoop.security.authorize
支持服务级别的授权。
org.apache.hadoop.security.http - package org.apache.hadoop.security.http
HTTP服务安全过滤器。
org.apache.hadoop.security.proto - package org.apache.hadoop.security.proto
 
org.apache.hadoop.security.protocolPB - package org.apache.hadoop.security.protocolPB
 
org.apache.hadoop.security.ssl - package org.apache.hadoop.security.ssl
 
org.apache.hadoop.security.token - package org.apache.hadoop.security.token
支持委托令牌。
org.apache.hadoop.security.token.delegation.web - package org.apache.hadoop.security.token.delegation.web
 
org.apache.hadoop.service - package org.apache.hadoop.service
支持服务。
org.apache.hadoop.service.launcher - package org.apache.hadoop.service.launcher
该软件包包含用于从命令行启动YARN服务的类、接口和异常。
org.apache.hadoop.streaming - package org.apache.hadoop.streaming
Hadoop Streaming is a utility which allows users to create and run Map-Reduce jobs with any executables (e.g.
org.apache.hadoop.streaming.io - package org.apache.hadoop.streaming.io
 
org.apache.hadoop.streaming.mapreduce - package org.apache.hadoop.streaming.mapreduce
 
org.apache.hadoop.tools - package org.apache.hadoop.tools
MapReduce的命令行工具。
org.apache.hadoop.tools.fedbalance - package org.apache.hadoop.tools.fedbalance
FedBalance是一个用于在联邦集群间平衡数据的工具。
org.apache.hadoop.tools.mapred - package org.apache.hadoop.tools.mapred
 
org.apache.hadoop.tools.mapred.lib - package org.apache.hadoop.tools.mapred.lib
 
org.apache.hadoop.tools.proto - package org.apache.hadoop.tools.proto
 
org.apache.hadoop.tools.protocolPB - package org.apache.hadoop.tools.protocolPB
 
org.apache.hadoop.tools.rumen - package org.apache.hadoop.tools.rumen
Rumen is a data extraction and analysis tool built for Apache Hadoop.
org.apache.hadoop.tools.rumen.anonymization - package org.apache.hadoop.tools.rumen.anonymization
 
org.apache.hadoop.tools.rumen.datatypes - package org.apache.hadoop.tools.rumen.datatypes
 
org.apache.hadoop.tools.rumen.datatypes.util - package org.apache.hadoop.tools.rumen.datatypes.util
 
org.apache.hadoop.tools.rumen.serializers - package org.apache.hadoop.tools.rumen.serializers
 
org.apache.hadoop.tools.rumen.state - package org.apache.hadoop.tools.rumen.state
 
org.apache.hadoop.tools.util - package org.apache.hadoop.tools.util
 
org.apache.hadoop.tracing - package org.apache.hadoop.tracing
 
org.apache.hadoop.typedbytes - package org.apache.hadoop.typedbytes
类型化字节是字节序列,其中第一个字节是类型代码。
org.apache.hadoop.util - package org.apache.hadoop.util
常用工具。
org.apache.hadoop.util.bloom - package org.apache.hadoop.util.bloom
 
org.apache.hadoop.util.curator - package org.apache.hadoop.util.curator
该软件包提供了与Curator ZooKeeper交互的实用工具。
org.apache.hadoop.util.functional - package org.apache.hadoop.util.functional
在Hadoop API中支持函数式编程。
org.apache.hadoop.util.hash - package org.apache.hadoop.util.hash
 
org.apache.hadoop.yarn - package org.apache.hadoop.yarn
授权给Apache软件基金会(ASF),遵循一个或多个贡献者许可协议。
org.apache.hadoop.yarn.ams - package org.apache.hadoop.yarn.ams
Application Master Service拦截器的公共API接口。
org.apache.hadoop.yarn.api - package org.apache.hadoop.yarn.api
授权给Apache软件基金会(ASF),遵循一个或多个贡献者许可协议。
org.apache.hadoop.yarn.api.protocolrecords - package org.apache.hadoop.yarn.api.protocolrecords
授权给Apache软件基金会(ASF),遵循一个或多个贡献者许可协议。
org.apache.hadoop.yarn.api.records - package org.apache.hadoop.yarn.api.records
授权给Apache软件基金会(ASF),遵循一个或多个贡献者许可协议。
org.apache.hadoop.yarn.api.records.impl - package org.apache.hadoop.yarn.api.records.impl
包 org.apache.hadoop.yarn.api.records.impl 包含定义基本资源的类。
org.apache.hadoop.yarn.api.records.timeline - package org.apache.hadoop.yarn.api.records.timeline
授权给Apache软件基金会(ASF),遵循一个或多个贡献者许可协议。
org.apache.hadoop.yarn.api.records.timelineservice - package org.apache.hadoop.yarn.api.records.timelineservice
包 org.apache.hadoop.yarn.api.records.timelineservice 包含定义 ATSv2 数据模型的类。
org.apache.hadoop.yarn.appcatalog.application - package org.apache.hadoop.yarn.appcatalog.application
应用目录。
org.apache.hadoop.yarn.appcatalog.controller - package org.apache.hadoop.yarn.appcatalog.controller
应用目录控制器。
org.apache.hadoop.yarn.appcatalog.model - package org.apache.hadoop.yarn.appcatalog.model
应用目录数据模型。
org.apache.hadoop.yarn.appcatalog.utils - package org.apache.hadoop.yarn.appcatalog.utils
应用程序目录实用工具类。
org.apache.hadoop.yarn.applications.distributedshell - package org.apache.hadoop.yarn.applications.distributedshell
授权给Apache软件基金会(ASF),遵循一个或多个贡献者许可协议。
org.apache.hadoop.yarn.applications.unmanagedamlauncher - package org.apache.hadoop.yarn.applications.unmanagedamlauncher
 
org.apache.hadoop.yarn.client - package org.apache.hadoop.yarn.client
 
org.apache.hadoop.yarn.client.api - package org.apache.hadoop.yarn.client.api
 
org.apache.hadoop.yarn.client.api.async - package org.apache.hadoop.yarn.client.api.async
 
org.apache.hadoop.yarn.client.api.async.impl - package org.apache.hadoop.yarn.client.api.async.impl
 
org.apache.hadoop.yarn.client.api.impl - package org.apache.hadoop.yarn.client.api.impl
 
org.apache.hadoop.yarn.client.cli - package org.apache.hadoop.yarn.client.cli
 
org.apache.hadoop.yarn.client.util - package org.apache.hadoop.yarn.client.util
 
org.apache.hadoop.yarn.conf - package org.apache.hadoop.yarn.conf
授权给Apache软件基金会(ASF),遵循一个或多个贡献者许可协议。
org.apache.hadoop.yarn.csi - package org.apache.hadoop.yarn.csi
该软件包包含用于CSI的类。
org.apache.hadoop.yarn.csi.adaptor - package org.apache.hadoop.yarn.csi.adaptor
该软件包包含CSI适配器类。
org.apache.hadoop.yarn.csi.client - package org.apache.hadoop.yarn.csi.client
该软件包包含CSI客户端类。
org.apache.hadoop.yarn.csi.translator - package org.apache.hadoop.yarn.csi.translator
该软件包包含用于YARN和CSI之间协议转换的类。
org.apache.hadoop.yarn.csi.utils - package org.apache.hadoop.yarn.csi.utils
该软件包包含用于CSI的实用工具类。
org.apache.hadoop.yarn.event - package org.apache.hadoop.yarn.event
授权给Apache软件基金会(ASF),遵循一个或多个贡献者许可协议。
org.apache.hadoop.yarn.exceptions - package org.apache.hadoop.yarn.exceptions
授权给Apache软件基金会(ASF),遵循一个或多个贡献者许可协议。
org.apache.hadoop.yarn.federation.proto - package org.apache.hadoop.yarn.federation.proto
 
org.apache.hadoop.yarn.logaggregation - package org.apache.hadoop.yarn.logaggregation
授权给Apache软件基金会(ASF),遵循一个或多个贡献者许可协议。
org.apache.hadoop.yarn.logaggregation.filecontroller - package org.apache.hadoop.yarn.logaggregation.filecontroller
授权给Apache软件基金会(ASF),遵循一个或多个贡献者许可协议。
org.apache.hadoop.yarn.logaggregation.filecontroller.ifile - package org.apache.hadoop.yarn.logaggregation.filecontroller.ifile
授权给Apache软件基金会(ASF),遵循一个或多个贡献者许可协议。
org.apache.hadoop.yarn.logaggregation.filecontroller.tfile - package org.apache.hadoop.yarn.logaggregation.filecontroller.tfile
授权给Apache软件基金会(ASF),遵循一个或多个贡献者许可协议。
org.apache.hadoop.yarn.nodelabels - package org.apache.hadoop.yarn.nodelabels
 
org.apache.hadoop.yarn.nodelabels.event - package org.apache.hadoop.yarn.nodelabels.event
 
org.apache.hadoop.yarn.security - package org.apache.hadoop.yarn.security
授权给Apache软件基金会(ASF),遵循一个或多个贡献者许可协议。
org.apache.hadoop.yarn.security.admin - package org.apache.hadoop.yarn.security.admin
授权给Apache软件基金会(ASF),遵循一个或多个贡献者许可协议。
org.apache.hadoop.yarn.security.client - package org.apache.hadoop.yarn.security.client
授权给Apache软件基金会(ASF),遵循一个或多个贡献者许可协议。
org.apache.hadoop.yarn.security.client.impl.pb - package org.apache.hadoop.yarn.security.client.impl.pb
授权给Apache软件基金会(ASF),遵循一个或多个贡献者许可协议。
org.apache.hadoop.yarn.service.api - package org.apache.hadoop.yarn.service.api
 
org.apache.hadoop.yarn.service.api.records - package org.apache.hadoop.yarn.service.api.records
 
org.apache.hadoop.yarn.service.component - package org.apache.hadoop.yarn.service.component
 
org.apache.hadoop.yarn.service.component.instance - package org.apache.hadoop.yarn.service.component.instance
 
org.apache.hadoop.yarn.service.conf - package org.apache.hadoop.yarn.service.conf
 
org.apache.hadoop.yarn.service.containerlaunch - package org.apache.hadoop.yarn.service.containerlaunch
 
org.apache.hadoop.yarn.service.exceptions - package org.apache.hadoop.yarn.service.exceptions
 
org.apache.hadoop.yarn.service.impl.pb.client - package org.apache.hadoop.yarn.service.impl.pb.client
 
org.apache.hadoop.yarn.service.impl.pb.service - package org.apache.hadoop.yarn.service.impl.pb.service
 
org.apache.hadoop.yarn.service.monitor - package org.apache.hadoop.yarn.service.monitor
 
org.apache.hadoop.yarn.service.monitor.probe - package org.apache.hadoop.yarn.service.monitor.probe
 
org.apache.hadoop.yarn.service.provider - package org.apache.hadoop.yarn.service.provider
 
org.apache.hadoop.yarn.service.provider.defaultImpl - package org.apache.hadoop.yarn.service.provider.defaultImpl
 
org.apache.hadoop.yarn.service.provider.docker - package org.apache.hadoop.yarn.service.provider.docker
 
org.apache.hadoop.yarn.service.provider.tarball - package org.apache.hadoop.yarn.service.provider.tarball
 
org.apache.hadoop.yarn.service.registry - package org.apache.hadoop.yarn.service.registry
 
org.apache.hadoop.yarn.service.utils - package org.apache.hadoop.yarn.service.utils
 
org.apache.hadoop.yarn.sharedcache - package org.apache.hadoop.yarn.sharedcache
 
org.apache.hadoop.yarn.sls - package org.apache.hadoop.yarn.sls
 
org.apache.hadoop.yarn.sls.appmaster - package org.apache.hadoop.yarn.sls.appmaster
SLS的Application Master模拟器。
org.apache.hadoop.yarn.sls.conf - package org.apache.hadoop.yarn.sls.conf
 
org.apache.hadoop.yarn.sls.nodemanager - package org.apache.hadoop.yarn.sls.nodemanager
 
org.apache.hadoop.yarn.sls.resourcemanager - package org.apache.hadoop.yarn.sls.resourcemanager
 
org.apache.hadoop.yarn.sls.scheduler - package org.apache.hadoop.yarn.sls.scheduler
 
org.apache.hadoop.yarn.sls.synthetic - package org.apache.hadoop.yarn.sls.synthetic
包含SLS合成负载生成器的类。
org.apache.hadoop.yarn.sls.utils - package org.apache.hadoop.yarn.sls.utils
SLS的实用工具类。
org.apache.hadoop.yarn.sls.web - package org.apache.hadoop.yarn.sls.web
 
org.apache.hadoop.yarn.state - package org.apache.hadoop.yarn.state
授权给Apache软件基金会(ASF),遵循一个或多个贡献者许可协议。
org.apache.hadoop.yarn.util - package org.apache.hadoop.yarn.util
授权给Apache软件基金会(ASF),遵循一个或多个贡献者许可协议。
org.apache.hadoop.yarn.util.constraint - package org.apache.hadoop.yarn.util.constraint
包 org.apache.hadoop.yarn.util.constraint 包含的类用于作为放置约束的实用工具类。
org.apache.hadoop.yarn.util.csi - package org.apache.hadoop.yarn.util.csi
包含一些CSI实用工具类的包。
org.apache.hadoop.yarn.util.resource - package org.apache.hadoop.yarn.util.resource
包 org.apache.hadoop.yarn.util.resource 包含用于资源配置文件计算的工具类。
org.apache.hadoop.yarn.util.timeline - package org.apache.hadoop.yarn.util.timeline
授权给Apache软件基金会(ASF),遵循一个或多个贡献者许可协议。
OS_ARCH - Static variable in class org.apache.hadoop.fs.azurebfs.constants.AbfsHttpConstants
 
OS_NAME - Static variable in class org.apache.hadoop.fs.azurebfs.constants.AbfsHttpConstants
 
OS_VERSION - Static variable in class org.apache.hadoop.fs.azurebfs.constants.AbfsHttpConstants
 
osType - Static variable in class org.apache.hadoop.util.Shell
Get the type of the operating system, as determined from parsing the os.name property.
OTHER - Static variable in class org.apache.hadoop.util.Shell
 
out - Variable in class org.apache.hadoop.io.compress.CompressionOutputStream
要压缩的输出流。
OUTDIR - Static variable in class org.apache.hadoop.mapreduce.lib.output.FileOutputFormat
工作目标目录: "mapreduce.output.fileoutputformat.outputdir".
OuterJoinRecordReader<K extends WritableComparable> - Class in org.apache.hadoop.mapred.join
完全外连接。
OuterJoinRecordReader<K extends WritableComparable<?>> - Class in org.apache.hadoop.mapreduce.lib.join
完全外部连接。
OUTPUT_FIELD_COUNT_PROPERTY - Static variable in class org.apache.hadoop.mapred.lib.db.DBConfiguration
输出表中的字段数量
OUTPUT_FIELD_COUNT_PROPERTY - Static variable in class org.apache.hadoop.mapreduce.lib.db.DBConfiguration
输出表中的字段数量
OUTPUT_FIELD_NAMES_PROPERTY - Static variable in class org.apache.hadoop.mapred.lib.db.DBConfiguration
输出表中的字段名称
OUTPUT_FIELD_NAMES_PROPERTY - Static variable in class org.apache.hadoop.mapreduce.lib.db.DBConfiguration
输出表中的字段名称
OUTPUT_FILTER - Static variable in class org.apache.hadoop.mapreduce.Job
 
OUTPUT_FORMAT - Static variable in class org.apache.hadoop.mapreduce.lib.output.LazyOutputFormat
 
OUTPUT_TABLE_NAME_PROPERTY - Static variable in class org.apache.hadoop.mapred.lib.db.DBConfiguration
输出表名
OUTPUT_TABLE_NAME_PROPERTY - Static variable in class org.apache.hadoop.mapreduce.lib.db.DBConfiguration
输出表名
OutputCollector<K,V> - Interface in org.apache.hadoop.mapred
Collects the <key, value> pairs output by Mappers and Reducers.
OutputCommitter - Class in org.apache.hadoop.mapred
OutputCommitter describes the commit of task output for a Map-Reduce job.
OutputCommitter() - Constructor for class org.apache.hadoop.mapred.OutputCommitter
 
OutputCommitter - Class in org.apache.hadoop.mapreduce
OutputCommitter describes the commit of task output for a Map-Reduce job.
OutputCommitter() - Constructor for class org.apache.hadoop.mapreduce.OutputCommitter
 
OutputFormat<K,V> - Interface in org.apache.hadoop.mapred
OutputFormat describes the output-specification for a Map-Reduce job.
OutputFormat<K,V> - Class in org.apache.hadoop.mapreduce
OutputFormat describes the output-specification for a Map-Reduce job.
OutputFormat() - Constructor for class org.apache.hadoop.mapreduce.OutputFormat
 
OutputLogFilter - Class in org.apache.hadoop.mapred
该类用于过滤指定目录中的日志文件 不接受包含_logs的路径。
OutputLogFilter() - Constructor for class org.apache.hadoop.mapred.OutputLogFilter
 
OVER_COMMIT_TIMEOUT_MILLIS_DEFAULT - Static variable in class org.apache.hadoop.yarn.api.records.ResourceOption
负值表示无超时限制。
OverrideRecordReader<K extends WritableComparable,V extends Writable> - Class in org.apache.hadoop.mapred.join
对于此键,优先选择"最右侧"的数据源。
OverrideRecordReader<K extends WritableComparable<?>,V extends Writable> - Class in org.apache.hadoop.mapreduce.lib.join
对于此键,优先选择"最右侧"的数据源。
overwrite(boolean) - Method in class org.apache.hadoop.fs.FSDataOutputStreamBuilder
设置为true以覆盖现有文件。
overwrite(boolean) - Method in class org.apache.hadoop.fs.impl.MultipartUploaderBuilderImpl
设置为true以覆盖现有文件。
OVERWRITE - Static variable in interface org.apache.hadoop.registry.client.api.BindFlags
即使存在现有条目,也应创建该条目。
overwrite(Component) - Method in class org.apache.hadoop.yarn.service.api.records.组件
 
OWNER_GROUP - Static variable in class org.apache.hadoop.fs.s3a.audit.S3LogParser
日志组"所有者"。

P

pageSize() - Method in interface org.apache.hadoop.fs.BulkDelete
单个请求中可删除的对象/文件的最大数量。
PARAM_TASK_ATTEMPT_ID - Static variable in class org.apache.hadoop.fs.s3a.commit.CommitConstants
任务尝试ID查询头: "ta".
PARAMETER_EXPANSION_LEFT - Static variable in interface org.apache.hadoop.yarn.api.ApplicationConstants
以下两个常量用于扩展参数,在容器启动时,NodeManager会将其替换为实际的参数扩展标记(Windows系统使用'%',Linux系统使用'$')。
PARAMETER_EXPANSION_RIGHT - Static variable in interface org.apache.hadoop.yarn.api.ApplicationConstants
如果用户希望实现跨平台实践,必须使用此常量来构建类路径,例如
parent() - Method in class org.apache.hadoop.metrics2.MetricsJsonBuilder
 
parent() - Method in class org.apache.hadoop.metrics2.MetricsRecordBuilder
 
parent() - Method in class org.apache.hadoop.metrics2.MetricStringBuilder
 
PARENT_INFO_KEY - Static variable in class org.apache.hadoop.yarn.api.records.timelineservice.HierarchicalTimelineEntity
 
ParentNotDirectoryException - Exception in org.apache.hadoop.fs
表示指定路径的父级不是预期的目录。
ParentNotDirectoryException() - Constructor for exception org.apache.hadoop.fs.ParentNotDirectoryException
 
ParentNotDirectoryException(String) - Constructor for exception org.apache.hadoop.fs.ParentNotDirectoryException
 
parse(String, int) - Static method in class org.apache.hadoop.metrics2.util.服务器
Parses a space and/or comma separated sequence of server specifications of the form hostname or hostname:port.
parseAclEntry(String, boolean) - Static method in class org.apache.hadoop.fs.permission.AclEntry
Parses a string representation of an ACL into a AclEntry object.
The expected format of ACL entries in the string parameter is the same format produced by the AclEntry.toStringStable() method.
parseAclSpec(String, boolean) - Static method in class org.apache.hadoop.fs.permission.AclEntry
将ACL规范的字符串表示解析为AclEntry对象列表。
parseExecResult(BufferedReader) - Method in class org.apache.hadoop.util.Shell
解析执行结果。
parseExpression(String) - Static method in class org.apache.hadoop.yarn.util.constraint.PlacementConstraintParser
Parses a given constraint expression to a PlacementConstraint.AbstractConstraint, this expression can be any valid form of constraint expressions.
parseOutputKeyValueSpec(String, List, List) - Static method in class org.apache.hadoop.mapreduce.lib.fieldsel.FieldSelectionHelper
 
parsePlacementSpec(String) - Static method in class org.apache.hadoop.yarn.util.constraint.PlacementConstraintParser
解析一个放置约束规范。
Parser - Class in org.apache.hadoop.mapred.join
用于连接表达式的简单移位归约解析器。
Parser() - Constructor for class org.apache.hadoop.mapred.join.Parser
 
Parser - Class in org.apache.hadoop.mapreduce.lib.join
用于连接表达式的非常简单的移进-归约解析器。
Parser() - Constructor for class org.apache.hadoop.mapreduce.lib.join.Parser
 
Parser.Node - Class in org.apache.hadoop.mapred.join
 
Parser.Node - Class in org.apache.hadoop.mapreduce.lib.join
 
Parser.NodeToken - Class in org.apache.hadoop.mapred.join
 
Parser.NodeToken - Class in org.apache.hadoop.mapreduce.lib.join
 
Parser.NumToken - Class in org.apache.hadoop.mapred.join
 
Parser.NumToken - Class in org.apache.hadoop.mapreduce.lib.join
 
Parser.StrToken - Class in org.apache.hadoop.mapred.join
 
Parser.StrToken - Class in org.apache.hadoop.mapreduce.lib.join
 
Parser.Token - Class in org.apache.hadoop.mapred.join
用于连接表达式中的标记的标记联合类型。
Parser.Token - Class in org.apache.hadoop.mapreduce.lib.join
用于连接表达式中的标记的标记联合类型。
Parser.TType - Enum in org.apache.hadoop.mapred.join
 
Parser.TType - Enum in org.apache.hadoop.mapreduce.lib.join
 
parseReservationId(String) - Static method in class org.apache.hadoop.yarn.api.records.ReservationId
Parse the string argument as a ReservationId
parseStorageType(int) - Static method in enum org.apache.hadoop.fs.StorageType
 
parseStorageType(String) - Static method in enum org.apache.hadoop.fs.StorageType
 
PART - Static variable in class org.apache.hadoop.mapreduce.lib.output.FileOutputFormat
 
PART_UPLOAD_TIMEOUT - Static variable in class org.apache.hadoop.fs.s3a.常量
上传整个小对象或大对象的单个部分时的超时时间。
PartHandle - Interface in org.apache.hadoop.fs
用于多部分上传的不透明、可序列化的部分ID引用。
PartialFileOutputCommitter - Class in org.apache.hadoop.mapreduce.lib.output
An OutputCommitter that commits files specified in job output directory i.e.
PartialFileOutputCommitter(Path, TaskAttemptContext) - Constructor for class org.apache.hadoop.mapreduce.lib.output.PartialFileOutputCommitter
 
PartialFileOutputCommitter(Path, JobContext) - Constructor for class org.apache.hadoop.mapreduce.lib.output.PartialFileOutputCommitter
 
PartialListing<T extends FileStatus> - Class in org.apache.hadoop.fs
父目录下子目录的部分列表。
PartialListing(Path, List) - Constructor for class org.apache.hadoop.fs.PartialListing
 
PartialListing(Path, RemoteException) - Constructor for class org.apache.hadoop.fs.PartialListing
 
PartialOutputCommitter - Interface in org.apache.hadoop.mapreduce.lib.output
Interface for an OutputCommitter implementing partial commit of task output, as during preemption.
分区器<K2,V2> - Interface in org.apache.hadoop.mapred
对键空间进行分区。
PARTITIONER - Static variable in class org.apache.hadoop.mapred.pipes.Submitter
 
分区器<KEY,VALUE> - Class in org.apache.hadoop.mapreduce
对键空间进行分区。
Partitioner() - Constructor for class org.apache.hadoop.mapreduce.Partitioner
 
PARTITIONER_OPTIONS - Static variable in class org.apache.hadoop.mapreduce.lib.partition.KeyFieldBasedPartitioner
 
PARTITIONER_PATH - Static variable in class org.apache.hadoop.mapreduce.lib.partition.TotalOrderPartitioner
 
PASSTHROUGH_CODEC_EXTENSION - Static variable in class org.apache.hadoop.io.compress.CodecConstants
Default extension for PassthroughCodec.
PassthroughCodec - Class in org.apache.hadoop.io.compress
这是一个特殊的编解码器,它不会对输出进行转换。
PassthroughCodec() - Constructor for class org.apache.hadoop.io.compress.PassthroughCodec
 
PASSWORD_PROPERTY - Static variable in class org.apache.hadoop.mapred.lib.db.DBConfiguration
访问数据库的密码
PASSWORD_PROPERTY - Static variable in class org.apache.hadoop.mapreduce.lib.db.DBConfiguration
访问数据库的密码
路径 - Class in org.apache.hadoop.fs
Names a file or directory in a FileSystem.
Path(String, String) - Constructor for class org.apache.hadoop.fs.Path
基于父路径解析子路径创建一个新的Path。
Path(Path, String) - Constructor for class org.apache.hadoop.fs.Path
基于父路径解析子路径创建一个新的Path。
Path(String, Path) - Constructor for class org.apache.hadoop.fs.Path
基于父路径解析子路径创建一个新的Path。
Path(Path, Path) - Constructor for class org.apache.hadoop.fs.Path
基于父路径解析子路径创建一个新的Path。
Path(String) - Constructor for class org.apache.hadoop.fs.Path
从字符串构造路径。
路径(URI) - Constructor for class org.apache.hadoop.fs.Path
从URI构建路径
Path(String, String, String) - Constructor for class org.apache.hadoop.fs.Path
从组件构建路径。
路径 - Variable in class org.apache.hadoop.registry.client.types.RegistryPathStatus
注册表中此条目的短路径
PATH_STYLE_ACCESS - Static variable in class org.apache.hadoop.fs.s3a.常量
 
PATH_SYSTEM_SERVICES - Static variable in interface org.apache.hadoop.registry.client.api.RegistryConstants
系统服务相对于根目录的路径:"/services/"。
PATH_USER_SERVICES - Static variable in interface org.apache.hadoop.registry.client.api.RegistryConstants
用户主目录下系统服务的路径:"/services/"。
PATH_USERS - Static variable in interface org.apache.hadoop.registry.client.api.RegistryConstants
从根目录到用户的路径:"/users/"。
pathCapabilities_hasPathCapability(Object, Path, String) - Static method in class org.apache.hadoop.io.wrappedio.WrappedIO
Does a path have a given capability? Calls PathCapabilities.hasPathCapability(Path, String), mapping IOExceptions to false.
PathFilter - Interface in org.apache.hadoop.fs
 
PATHFILTER_CLASS - Static variable in class org.apache.hadoop.mapreduce.lib.input.FileInputFormat
 
PathHandle - Interface in org.apache.hadoop.fs
对文件系统中某个实体的不透明、可序列化引用。
路径名称 - Variable in exception org.apache.hadoop.hdfs.protocol.QuotaExceededException
 
PathOutputCommitter - Class in org.apache.hadoop.mapreduce.lib.output
一个提交器,在提交过程中以某种方式将写入工作目录的数据提交到最终目录。
PathOutputCommitter(Path, TaskAttemptContext) - Constructor for class org.apache.hadoop.mapreduce.lib.output.PathOutputCommitter
任务尝试的构造函数。
PathOutputCommitter(Path, JobContext) - Constructor for class org.apache.hadoop.mapreduce.lib.output.PathOutputCommitter
作业尝试的构造函数。
PathOutputCommitterFactory - Class in org.apache.hadoop.mapreduce.lib.output
A factory for committers implementing the PathOutputCommitter methods, and so can be used from FileOutputFormat.
PathOutputCommitterFactory() - Constructor for class org.apache.hadoop.mapreduce.lib.output.PathOutputCommitterFactory
 
pathToFile(Path) - Method in class org.apache.hadoop.fs.LocalFileSystem
将路径转换为文件。
pathToFile(Path) - Method in class org.apache.hadoop.fs.RawLocalFileSystem
将路径转换为文件。
pathToKey(Path) - Method in class org.apache.hadoop.fs.azure.NativeAzureFileSystem
将路径转换为键。
PATTERN - Static variable in class org.apache.hadoop.mapreduce.lib.map.RegexMapper
 
PENDING_DIR_NAME - Static variable in class org.apache.hadoop.mapreduce.lib.output.FileOutputCommitter
存放待处理数据的目录名称。
PENDING_SUFFIX - Static variable in class org.apache.hadoop.fs.s3a.commit.CommitConstants
应用于待提交元数据的后缀:".pending"。
PENDINGSET_SUFFIX - Static variable in class org.apache.hadoop.fs.s3a.commit.CommitConstants
应用于多个待提交元数据的后缀:".pendingset"。
permission(FsPermission) - Method in class org.apache.hadoop.fs.FSDataOutputStreamBuilder
设置文件的权限。
permission(FsPermission) - Method in class org.apache.hadoop.fs.impl.MultipartUploaderBuilderImpl
设置文件的权限。
permission(FsPermission) - Method in class org.apache.hadoop.hdfs.server.namenode.UGIResolver
 
PERMISSION_FORMAT - Static variable in class org.apache.hadoop.fs.azurebfs.constants.AbfsHttpConstants
 
PHOENIX_OFFLINE_STORAGE_CONN_STR - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
PHOENIX_OFFLINE_STORAGE_CONN_STR_DEFAULT - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
PlacementConstraint - Class in org.apache.hadoop.yarn.api.resource
PlacementConstraint represents a placement constraint for a resource allocation.
PlacementConstraint(PlacementConstraint.AbstractConstraint) - Constructor for class org.apache.hadoop.yarn.api.resource.PlacementConstraint
 
PlacementConstraint - Class in org.apache.hadoop.yarn.service.api.records
放置约束详情。
PlacementConstraint() - Constructor for class org.apache.hadoop.yarn.service.api.records.PlacementConstraint
 
placementConstraintExpression(PlacementConstraint) - Method in class org.apache.hadoop.yarn.api.records.SchedulingRequest.SchedulingRequestBuilder
Set the placementConstraintExpression of the request.
PlacementConstraintParser - Class in org.apache.hadoop.yarn.util.constraint
放置约束表达式解析器。
PlacementConstraints - Class in org.apache.hadoop.yarn.api.resource
This class contains various static methods for the applications to create placement constraints (see also PlacementConstraint).
placementPolicy(PlacementPolicy) - Method in class org.apache.hadoop.yarn.service.api.records.组件
为该组件的所有容器提供高级调度和放置策略。
PlacementPolicy - Class in org.apache.hadoop.yarn.service.api.records
服务组件的高级放置策略。
PlacementPolicy() - Constructor for class org.apache.hadoop.yarn.service.api.records.PlacementPolicy
 
PlacementScope - Enum in org.apache.hadoop.yarn.service.api.records
组件容器的放置范围。
PlacementType - Enum in org.apache.hadoop.yarn.service.api.records
放置类型 - 与另一个组件的容器或同一组件(自身)的容器之间的亲和性/反亲和性/带基数亲和性。
Platform - Class in org.apache.hadoop.mapred.nativetask
平台的基础类。
Platform() - Constructor for class org.apache.hadoop.mapred.nativetask.Platform
 
PLUS - Static variable in class org.apache.hadoop.fs.azurebfs.constants.AbfsHttpConstants
 
PLUS_ENCODE - Static variable in class org.apache.hadoop.fs.azurebfs.constants.AbfsHttpConstants
 
poll() - Method in class org.apache.hadoop.hdfs.DFSInotifyEventInputStream
返回流中的下一批事件,如果当前没有新批次可用则返回null。
poll(long, TimeUnit) - Method in class org.apache.hadoop.hdfs.DFSInotifyEventInputStream
返回流中的下一个事件批次,最多等待指定的时间以获取新批次。
PORT - Static variable in class org.apache.hadoop.mapred.pipes.Submitter
 
PositionedReadable - Interface in org.apache.hadoop.fs
允许按位置读取的流。
postTransition(OPERAND, STATE, STATE, EVENT) - Method in interface org.apache.hadoop.yarn.state.StateTransitionListener
过渡后钩子。
postWrite(LogAggregationFileControllerContext) - Method in class org.apache.hadoop.yarn.logaggregation.filecontroller.LogAggregationFileController
写入日志内容后需要执行的操作。
PPC_64 - Static variable in class org.apache.hadoop.util.Shell
 
PREADBYTEBUFFER - Static variable in interface org.apache.hadoop.fs.StreamCapabilities
Stream read(long, ByteBuffer) capability implemented by ByteBufferPositionedReadable.read(long, java.nio.ByteBuffer).
PRECONDITIONS_FAILED - Static variable in exception org.apache.hadoop.fs.s3a.RemoteFileChangedException
 
PREEMPTED - Static variable in class org.apache.hadoop.yarn.api.records.ContainerExitStatus
被框架抢占的容器。
PreemptionContainer - Class in org.apache.hadoop.yarn.api.records
Specific container requested back by the ResourceManager.
PreemptionContainer() - Constructor for class org.apache.hadoop.yarn.api.records.PreemptionContainer
 
PreemptionContract - Class in org.apache.hadoop.yarn.api.records
Description of resources requested back by the ResourceManager.
PreemptionContract() - Constructor for class org.apache.hadoop.yarn.api.records.PreemptionContract
 
抢占消息 - Class in org.apache.hadoop.yarn.api.records
A PreemptionMessage is part of the RM-AM protocol, and it is used by the RM to specify resources that the RM wants to reclaim from this ApplicationMaster (AM).
PreemptionMessage() - Constructor for class org.apache.hadoop.yarn.api.records.PreemptionMessage
 
PreemptionResourceRequest - Class in org.apache.hadoop.yarn.api.records
集群请求返回的资源描述。
PreemptionResourceRequest() - Constructor for class org.apache.hadoop.yarn.api.records.PreemptionResourceRequest
 
preferredBlockSize(FileStatus) - Method in class org.apache.hadoop.hdfs.server.namenode.BlockResolver
 
preferredBlockSize(FileStatus) - Method in class org.apache.hadoop.hdfs.server.namenode.FixedBlockResolver
 
PREFETCH_BLOCK_COUNT_KEY - Static variable in class org.apache.hadoop.fs.s3a.常量
在任何给定时间预取的最大块数。
PREFETCH_BLOCK_DEFAULT_COUNT - Static variable in class org.apache.hadoop.fs.s3a.常量
 
PREFETCH_BLOCK_DEFAULT_SIZE - Static variable in class org.apache.hadoop.fs.s3a.常量
 
PREFETCH_BLOCK_SIZE_KEY - Static variable in class org.apache.hadoop.fs.s3a.常量
单个预取块的大小,以字节数为单位。
PREFETCH_ENABLED_DEFAULT - Static variable in class org.apache.hadoop.fs.s3a.常量
关于是否启用预取输入流的默认选项。
PREFETCH_ENABLED_KEY - Static variable in class org.apache.hadoop.fs.s3a.常量
控制是否启用预取输入流。
PREFETCH_MAX_BLOCKS_COUNT - Static variable in class org.apache.hadoop.fs.s3a.常量
预取最大块数配置。
PREFIX_CENTRALIZED - Static variable in class org.apache.hadoop.yarn.api.records.NodeAttribute
 
PREFIX_DISTRIBUTED - Static variable in class org.apache.hadoop.yarn.api.records.NodeAttribute
 
PREP - Static variable in class org.apache.hadoop.mapred.JobStatus
 
PRESERVE_COMMANDFILE - Static variable in class org.apache.hadoop.mapred.pipes.Submitter
 
preTransition(OPERAND, STATE, EVENT) - Method in interface org.apache.hadoop.yarn.state.StateTransitionListener
预转换钩子。
上一个快照 - Variable in class org.apache.hadoop.metrics2.lib.MutableQuantiles
 
primitiveCreate(Path, FsPermission, EnumSet, int, short, long, Progressable, Options.ChecksumOpt) - Method in class org.apache.hadoop.fs.FileSystem
Deprecated.
primitiveCreate(Path, FsPermission, EnumSet, int, short, long, Progressable, Options.ChecksumOpt) - Method in class org.apache.hadoop.fs.FilterFileSystem
 
primitiveMkdir(Path, FsPermission) - Method in class org.apache.hadoop.fs.FileSystem
Deprecated.
primitiveMkdir(Path, FsPermission, boolean) - Method in class org.apache.hadoop.fs.FileSystem
Deprecated.
primitiveMkdir(Path, FsPermission) - Method in class org.apache.hadoop.fs.FilterFileSystem
 
PRINCIPAL - Static variable in class org.apache.hadoop.mapreduce.lib.output.committer.manifest.files.DiagnosticKeys
添加到 _SUCCESS 文件诊断中的属性。
principalName(String) - Method in class org.apache.hadoop.yarn.service.api.records.KerberosPrincipal
 
printGenericCommandUsage(PrintStream) - Static method in class org.apache.hadoop.util.ToolRunner
打印通用的命令行参数和使用信息。
printStackTrace() - Method in exception org.apache.hadoop.security.authorize.AuthorizationException
 
printStackTrace(PrintStream) - Method in exception org.apache.hadoop.security.authorize.AuthorizationException
 
printStackTrace(PrintWriter) - Method in exception org.apache.hadoop.security.authorize.AuthorizationException
 
printStatistics() - Static method in class org.apache.hadoop.fs.AbstractFileSystem
打印所有文件系统的统计信息。
printStatistics() - Static method in class org.apache.hadoop.fs.FileContext
将统计信息打印到标准输出。
printStatistics() - Static method in class org.apache.hadoop.fs.FileSystem
Print all statistics for all file systems to System.out
printThreadInfo(PrintStream, String) - Static method in class org.apache.hadoop.util.ReflectionUtils
打印所有线程的信息和堆栈跟踪。
printUsage() - Method in class org.apache.hadoop.hdfs.server.namenode.FileSystemImage
 
优先级 - Class in org.apache.hadoop.yarn.api.records
分配给ResourceRequest、Application或Container分配的优先级
Priority() - Constructor for class org.apache.hadoop.yarn.api.records.优先级
 
priority(Priority) - Method in class org.apache.hadoop.yarn.api.records.ResourceRequest.ResourceRequestBuilder
Set the priority of the request.
priority(Priority) - Method in class org.apache.hadoop.yarn.api.records.SchedulingRequest.SchedulingRequestBuilder
Set the priority of the request.
privateClone(Text) - Method in class org.apache.hadoop.security.token.Token
创建一个公共令牌的私有克隆。
privilegedContainer(Boolean) - Method in class org.apache.hadoop.yarn.service.api.records.Container
容器是否在特权模式下运行。
PROCESS_ID - Static variable in class org.apache.hadoop.fs.audit.CommonAuditContext
进程ID;目前基于UUID和时间戳构建。
processDeleteOnExit() - Method in class org.apache.hadoop.fs.FileSystem
删除所有被标记为退出时删除的路径。
PROCESSOR_RM_PLACEMENT_CONSTRAINTS_HANDLER - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
使用此处理器,在调用容量或公平调度器之前,会先作为预处理步骤确定带有限制条件的容器放置位置。
PROCFS_USE_SMAPS_BASED_RSS_ENABLED - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
profile(String) - Method in class org.apache.hadoop.yarn.service.api.records.Resource
每个资源配置文件都有一个唯一的ID,该ID与集群级别的预定义内存、CPU等资源相关联。
progress(Progressable) - Method in class org.apache.hadoop.fs.FSDataOutputStreamBuilder
设置报告进度的功能。
progress - Variable in class org.apache.hadoop.mapred.lib.CombineFileRecordReader
 
progress - Variable in class org.apache.hadoop.mapreduce.lib.input.CombineFileRecordReader
 
progress() - Method in interface org.apache.hadoop.util.Progressable
向Hadoop框架报告进度。
progress(float) - Method in class org.apache.hadoop.yarn.api.protocolrecords.AllocateRequest.AllocateRequestBuilder
Set the progress of the request.
PROGRESS_MONITOR_POLL_INTERVAL_KEY - Static variable in class org.apache.hadoop.mapreduce.Job
设置progMonitorPollIntervalMillis的mapred-*.xml中的键
Progressable - Interface in org.apache.hadoop.util
一个用于报告进度的设施。
propagateAccountOptions(Configuration, String) - Static method in class org.apache.hadoop.fs.adl.AdlFileSystem
将账户特定设置传播到通用的ADL配置键中。
propagateOptions(FSBuilder, Configuration, String, String) - Static method in class org.apache.hadoop.util.functional.FutureIO
将选项传播到任何构建器,将所有带有前缀的内容转换为选项,其中如果有2个或更多以点分隔的元素,则将其转换为模式。
propagateOptions(FSBuilder, Configuration, String, boolean) - Static method in class org.apache.hadoop.util.functional.FutureIO
将选项传播到任何构建器,将所有带有前缀的内容转换为选项,其中如果有2个或更多以点分隔的元素,则将其转换为模式。
properties(Map) - Method in class org.apache.hadoop.yarn.service.api.records.ConfigFile
一个键值对集合,将按照指定类型格式转储到目标文件中。
properties(Map) - Method in class org.apache.hadoop.yarn.service.api.records.配置
一组常见服务属性的键值对集合。
properties(Map) - Method in class org.apache.hadoop.yarn.service.api.records.ReadinessCheck
 
PROTOCOL_FILESYSTEM - Static variable in interface org.apache.hadoop.registry.client.types.ProtocolTypes
地址是Hadoop文件系统路径的URI:"hadoop/filesystem"。
PROTOCOL_HADOOP_IPC - Static variable in interface org.apache.hadoop.registry.client.types.ProtocolTypes
Hadoop IPC, "经典"或protobuf : "hadoop/IPC".
PROTOCOL_IIOP - Static variable in interface org.apache.hadoop.registry.client.types.ProtocolTypes
Corba IIOP: "IIOP".
PROTOCOL_REST - Static variable in interface org.apache.hadoop.registry.client.types.ProtocolTypes
REST: "REST".
PROTOCOL_RMI - Static variable in interface org.apache.hadoop.registry.client.types.ProtocolTypes
Java RMI: "RMI".
PROTOCOL_SUN_RPC - Static variable in interface org.apache.hadoop.registry.client.types.ProtocolTypes
SunOS RPC,被NFS及类似系统使用:"sunrpc"。
PROTOCOL_TCP - Static variable in interface org.apache.hadoop.registry.client.types.ProtocolTypes
自定义TCP协议:"tcp"。
PROTOCOL_THRIFT - Static variable in interface org.apache.hadoop.registry.client.types.ProtocolTypes
基于Thrift的协议:"thrift"。
PROTOCOL_UDP - Static variable in interface org.apache.hadoop.registry.client.types.ProtocolTypes
自定义基于UPC的协议:"udp"。
PROTOCOL_UNKNOWN - Static variable in interface org.apache.hadoop.registry.client.types.ProtocolTypes
默认值 — 协议未知: """"
PROTOCOL_WEBUI - Static variable in interface org.apache.hadoop.registry.client.types.ProtocolTypes
网页: "webui".
PROTOCOL_WSAPI - Static variable in interface org.apache.hadoop.registry.client.types.ProtocolTypes
Web服务: "WS-*".
PROTOCOL_ZOOKEEPER_BINDING - Static variable in interface org.apache.hadoop.registry.client.types.ProtocolTypes
一个ZooKeeper绑定:"zookeeper"。
protocolType - Variable in class org.apache.hadoop.registry.client.types.Endpoint
协议类型。
ProtocolTypes - Interface in org.apache.hadoop.registry.client.types
一些常见的协议类型
provisionEncryptionZoneTrash(Path) - Method in class org.apache.hadoop.hdfs.client.HdfsAdmin
为指定的加密区域配置一个回收站目录。
provisionSnapshotTrash(Path) - Method in class org.apache.hadoop.hdfs.client.HdfsAdmin
为给定的可快照目录配置一个回收站目录。
PROXY_ADDRESS - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
Web代理的地址。
PROXY_BIND_HOST - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
Web代理的绑定地址。
PROXY_DOMAIN - Static variable in class org.apache.hadoop.fs.s3a.常量
 
PROXY_HOST - Static variable in class org.apache.hadoop.fs.s3a.常量
 
PROXY_KEYTAB - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
代理的Keytab。
PROXY_PASSWORD - Static variable in class org.apache.hadoop.fs.s3a.常量
 
PROXY_PORT - Static variable in class org.apache.hadoop.fs.s3a.常量
 
PROXY_PREFIX - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
PROXY_PRINCIPAL - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
代理的Kerberos主体。
PROXY_SECURED - Static variable in class org.apache.hadoop.fs.s3a.常量
代理是否安全(proxyProtocol = HTTPS)?
PROXY_USER_PORT - Static variable in class org.apache.hadoop.ipc.CallerContext
 
PROXY_USERNAME - Static variable in class org.apache.hadoop.fs.s3a.常量
 
PROXY_WORKSTATION - Static variable in class org.apache.hadoop.fs.s3a.常量
 
PseudoDelegationTokenAuthenticator - Class in org.apache.hadoop.security.token.delegation.web
The PseudoDelegationTokenAuthenticator provides support for Hadoop's pseudo authentication mechanism that accepts the user name specified as a query string parameter and support for Hadoop Delegation Token operations.
PseudoDelegationTokenAuthenticator() - Constructor for class org.apache.hadoop.security.token.delegation.web.PseudoDelegationTokenAuthenticator
 
publishMetricsNow() - Method in class org.apache.hadoop.metrics2.MetricsSystem
请求立即将所有指标从源发布到接收器。
PureJavaCrc32 - Class in org.apache.hadoop.util
一个纯Java实现的CRC32校验和,使用与内置原生CRC32相同的多项式。
PureJavaCrc32() - Constructor for class org.apache.hadoop.util.PureJavaCrc32
创建一个新的PureJavaCrc32对象。
PureJavaCrc32C - Class in org.apache.hadoop.util
一个纯Java实现的CRC32校验和,采用CRC32-C多项式,该多项式与iSCSI使用的相同,并在许多支持SSE4.2的英特尔芯片组上实现。
PureJavaCrc32C() - Constructor for class org.apache.hadoop.util.PureJavaCrc32C
创建一个新的PureJavaCrc32对象。
PURGE_EXISTING_MULTIPART - Static variable in class org.apache.hadoop.fs.s3a.常量
 
PURGE_EXISTING_MULTIPART_AGE - Static variable in class org.apache.hadoop.fs.s3a.常量
清除超过此秒数的任何分段上传。
put(String, String) - Method in class org.apache.hadoop.fs.audit.CommonAuditContext
添加上下文条目。
put(String, Supplier) - Method in class org.apache.hadoop.fs.audit.CommonAuditContext
动态按需评估并放置上下文条目。
put(String, GlobalStorageStatistics.StorageStatisticsProvider) - Method in enum org.apache.hadoop.fs.GlobalStorageStatistics
创建或返回具有给定名称的StorageStatistics对象。
put(T, boolean, boolean) - Method in class org.apache.hadoop.hdfs.server.federation.store.driver.impl.StateStoreBaseImpl
 
put(Writable, Writable) - Method in class org.apache.hadoop.io.MapWritable
 
put(K, Writable) - Method in class org.apache.hadoop.io.SortedMapWritable
 
putAll(Map) - Method in class org.apache.hadoop.io.MapWritable
 
putAll(Map) - Method in class org.apache.hadoop.io.SortedMapWritable
 
putBlocker(String, String) - Method in class org.apache.hadoop.service.AbstractService
向阻塞器映射中添加一个阻塞器 - 替换具有相同名称的任何现有阻塞器。
putBuffer(ByteBuffer) - Method in interface org.apache.hadoop.io.ByteBufferPool
将缓冲区释放回池中。
putBuffer(ByteBuffer) - Method in class org.apache.hadoop.io.ElasticByteBufferPool
 
putDiagnostic(String, String) - Method in class org.apache.hadoop.mapreduce.lib.output.committer.manifest.files.ManifestSuccessData
添加一个诊断条目。
putDomain(TimelineDomain) - Method in class org.apache.hadoop.yarn.client.api.TimelineClient
将域的信息发送到时间线服务器。
putDomain(ApplicationAttemptId, TimelineDomain) - Method in class org.apache.hadoop.yarn.client.api.TimelineClient
将域的信息发送到时间线服务器。
putEntities(TimelineEntity...) - Method in class org.apache.hadoop.yarn.client.api.TimelineClient
将若干概念实体的信息发送到时间线服务器。
putEntities(ApplicationAttemptId, TimelineEntityGroupId, TimelineEntity...) - Method in class org.apache.hadoop.yarn.client.api.TimelineClient
将若干概念实体的信息发送到时间线服务器。
putMetrics(MetricsRecord) - Method in interface org.apache.hadoop.metrics2.MetricsSink
将指标记录放入接收器
putMetrics(MetricsRecord) - Method in class org.apache.hadoop.metrics2.sink.FileSink
 
putMetrics(MetricsRecord) - Method in class org.apache.hadoop.metrics2.sink.GraphiteSink
 
putMetrics(MetricsRecord) - Method in class org.apache.hadoop.metrics2.sink.KafkaSink
 
putMetrics(MetricsRecord) - Method in class org.apache.hadoop.metrics2.sink.RollingFileSystemSink
 
putMetrics(MetricsRecord) - Method in class org.apache.hadoop.metrics2.sink.StatsDSink
 
putPart(UploadHandle, int, Path, InputStream, long) - Method in interface org.apache.hadoop.fs.MultipartUploader
将部分作为多部分上传的一部分。
putPropsItem(String, String) - Method in class org.apache.hadoop.yarn.service.api.records.ReadinessCheck
 

Q

分位数 - Static variable in class org.apache.hadoop.metrics2.lib.MutableQuantiles
 
quarterDigest() - Method in class org.apache.hadoop.io.MD5Hash
返回MD5的32位摘要。
QUERY_FS_ACTION - Static variable in class org.apache.hadoop.fs.azurebfs.constants.HttpQueryParams
 
QUERY_PARAM_ACTION - Static variable in class org.apache.hadoop.fs.azurebfs.constants.HttpQueryParams
 
QUERY_PARAM_BLOBTYPE - Static variable in class org.apache.hadoop.fs.azurebfs.constants.HttpQueryParams
 
QUERY_PARAM_CLOSE - Static variable in class org.apache.hadoop.fs.azurebfs.constants.HttpQueryParams
 
QUERY_PARAM_CONTINUATION - Static variable in class org.apache.hadoop.fs.azurebfs.constants.HttpQueryParams
 
QUERY_PARAM_DIRECTORY - Static variable in class org.apache.hadoop.fs.azurebfs.constants.HttpQueryParams
 
QUERY_PARAM_FLUSH - Static variable in class org.apache.hadoop.fs.azurebfs.constants.HttpQueryParams
 
QUERY_PARAM_MAXRESULTS - Static variable in class org.apache.hadoop.fs.azurebfs.constants.HttpQueryParams
 
QUERY_PARAM_PAGINATED - Static variable in class org.apache.hadoop.fs.azurebfs.constants.HttpQueryParams
 
QUERY_PARAM_POSITION - Static variable in class org.apache.hadoop.fs.azurebfs.constants.HttpQueryParams
 
QUERY_PARAM_RECURSIVE - Static variable in class org.apache.hadoop.fs.azurebfs.constants.HttpQueryParams
 
QUERY_PARAM_RESOURCE - Static variable in class org.apache.hadoop.fs.azurebfs.constants.HttpQueryParams
 
QUERY_PARAM_RETAIN_UNCOMMITTED_DATA - Static variable in class org.apache.hadoop.fs.azurebfs.constants.HttpQueryParams
 
QUERY_PARAM_SAOID - Static variable in class org.apache.hadoop.fs.azurebfs.constants.HttpQueryParams
 
QUERY_PARAM_SIGNATURE - Static variable in class org.apache.hadoop.fs.azurebfs.constants.HttpQueryParams
 
QUERY_PARAM_SKOID - Static variable in class org.apache.hadoop.fs.azurebfs.constants.HttpQueryParams
 
QUERY_PARAM_SUOID - Static variable in class org.apache.hadoop.fs.azurebfs.constants.HttpQueryParams
 
QUERY_PARAM_TIMEOUT - Static variable in class org.apache.hadoop.fs.azurebfs.constants.HttpQueryParams
 
QUERY_PARAM_UPN - Static variable in class org.apache.hadoop.fs.azurebfs.constants.HttpQueryParams
 
QUESTION_MARK - Static variable in class org.apache.hadoop.fs.azurebfs.constants.AbfsHttpConstants
 
queue(String) - Method in class org.apache.hadoop.yarn.service.api.records.Service
该服务应提交到的YARN队列。
QUEUE_ARG - Static variable in class org.apache.hadoop.tools.dynamometer.Client
 
QUEUE_DEFAULT - Static variable in class org.apache.hadoop.tools.dynamometer.Client
 
QUEUE_INFO_KEY - Static variable in class org.apache.hadoop.yarn.api.records.timelineservice.ApplicationEntity
 
QUEUE_PLACEMENT_RULES - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
已配置调度器队列放置规则。
QUEUE_SHRUNK_OPS - Static variable in class org.apache.hadoop.fs.statistics.StreamStatisticNames
任务队列收缩操作的数量。
QueueACL - Enum in org.apache.hadoop.yarn.api.records
QueueACL enumerates the various ACLs for queues.
QueueAclsInfo - Class in org.apache.hadoop.mapreduce
用于封装特定用户队列ACL的类。
QueueAclsInfo() - Constructor for class org.apache.hadoop.mapreduce.QueueAclsInfo
QueueAclsInfo的默认构造函数。
QueueAclsInfo(String, String[]) - Constructor for class org.apache.hadoop.mapreduce.QueueAclsInfo
使用队列名称和队列操作数组构造一个新的QueueAclsInfo对象
queueCall(Server.Call) - Method in class org.apache.hadoop.ipc.Server
 
QueueEntity - Class in org.apache.hadoop.yarn.api.records.timelineservice
该实体表示一个队列。
QueueEntity() - Constructor for class org.apache.hadoop.yarn.api.records.timelineservice.QueueEntity
 
QueueEntity(TimelineEntity) - Constructor for class org.apache.hadoop.yarn.api.records.timelineservice.QueueEntity
 
QueueInfo - Class in org.apache.hadoop.mapreduce
包含由Hadoop Map/Reduce框架维护的作业队列相关信息的类。
QueueInfo() - Constructor for class org.apache.hadoop.mapreduce.QueueInfo
QueueInfo的默认构造函数。
QueueInfo(String, String) - Constructor for class org.apache.hadoop.mapreduce.QueueInfo
使用队列名称和传入的调度信息构造一个新的QueueInfo对象。
QueueInfo(String, String, QueueState, JobStatus[]) - Constructor for class org.apache.hadoop.mapreduce.QueueInfo
 
QueueInfo - Class in org.apache.hadoop.yarn.api.records
QueueInfo 是关于队列运行时信息的报告。
QueueInfo() - Constructor for class org.apache.hadoop.yarn.api.records.QueueInfo
 
队列状态 - Enum in org.apache.hadoop.mapreduce
表示队列状态的枚举
队列状态 - Enum in org.apache.hadoop.yarn.api.records
队列的状态。
队列统计 - Class in org.apache.hadoop.yarn.api.records
 
QueueStatistics() - Constructor for class org.apache.hadoop.yarn.api.records.QueueStatistics
 
QueueUserACLInfo - Class in org.apache.hadoop.yarn.api.records
QueueUserACLInfo provides information QueueACL for the given user.
QueueUserACLInfo() - Constructor for class org.apache.hadoop.yarn.api.records.QueueUserACLInfo
 
quicklinks(List) - Method in class org.apache.hadoop.yarn.service.api.records.组件
服务级别定义的快速链接键列表,将由该组件解析。
quicklinks(Map) - Method in class org.apache.hadoop.yarn.service.api.records.Service
一组键值对的快速链接集合,用于导出服务。
配额 - Variable in exception org.apache.hadoop.hdfs.protocol.QuotaExceededException
 
QUOTA_HEADER - Static variable in class org.apache.hadoop.fs.QuotaUsage
 
QUOTA_HEADER_FIELDS - Static variable in class org.apache.hadoop.fs.QuotaUsage
 
QUOTA_STRING_FORMAT - Static variable in class org.apache.hadoop.fs.QuotaUsage
输出格式: |----12----| |----15----| |----15----| |----15----| |-------18-------| QUOTA REMAINING_QUOTA SPACE_QUOTA SPACE_QUOTA_REM FILE_NAME
QuotaByStorageTypeExceededException - Exception in org.apache.hadoop.hdfs.protocol
 
QuotaByStorageTypeExceededException() - Constructor for exception org.apache.hadoop.hdfs.protocol.QuotaByStorageTypeExceededException
 
QuotaByStorageTypeExceededException(String) - Constructor for exception org.apache.hadoop.hdfs.protocol.QuotaByStorageTypeExceededException
 
QuotaByStorageTypeExceededException(long, long, StorageType) - Constructor for exception org.apache.hadoop.hdfs.protocol.QuotaByStorageTypeExceededException
 
QuotaExceededException - Exception in org.apache.hadoop.hdfs.protocol
当对HDFS的修改导致违反目录配额限制时,会抛出此异常。
QuotaExceededException() - Constructor for exception org.apache.hadoop.hdfs.protocol.QuotaExceededException
 
QuotaExceededException(String) - Constructor for exception org.apache.hadoop.hdfs.protocol.QuotaExceededException
 
QuotaExceededException(long, long) - Constructor for exception org.apache.hadoop.hdfs.protocol.QuotaExceededException
 
QuotaUsage - Class in org.apache.hadoop.fs
存储目录的配额使用情况。
QuotaUsage() - Constructor for class org.apache.hadoop.fs.QuotaUsage
 
QuotaUsage(QuotaUsage.Builder) - Constructor for class org.apache.hadoop.fs.QuotaUsage
基于构建器创建实例。

R

RACK - Static variable in class org.apache.hadoop.yarn.api.resource.PlacementConstraints
 
raiseInnerCause(ExecutionException) - Static method in class org.apache.hadoop.util.functional.FutureIO
从执行异常的内部原因中提取内部原因,如果它是IOE或RTE。
raiseInnerCause(CompletionException) - Static method in class org.apache.hadoop.util.functional.FutureIO
提取任务完成失败的原因,如果是IOE或RTE则重新抛出异常。
RANDOM - Static variable in interface org.apache.hadoop.util.bloom.RemoveScheme
随机选择。
RANGE - Static variable in class org.apache.hadoop.fs.azurebfs.constants.HttpHeaderConfigurations
 
rangeExcludingIterator(long, long) - Static method in class org.apache.hadoop.util.functional.RemoteIterators
A remote iterator which simply counts up, stopping once the value is greater than the value of excludedFinish.
RATE_LIMIT_DEFAULT - Static variable in class org.apache.hadoop.fs.azurebfs.constants.FileSystemConfigurations
IO速率限制。
RATIO - Static variable in interface org.apache.hadoop.util.bloom.RemoveScheme
比率选择。
rawBytesDownloaded(long) - Method in class org.apache.hadoop.fs.azure.metrics.AzureFileSystemInstrumentation
表明我们刚刚下载了一些数据到Azure存储。
rawBytesUploaded(long) - Method in class org.apache.hadoop.fs.azure.metrics.AzureFileSystemInstrumentation
表明我们刚刚向Azure存储上传了一些数据。
RawComparable - Interface in org.apache.hadoop.io.file.tfile
Interface for objects that can be compared through RawComparator.
RawComparator<T> - Interface in org.apache.hadoop.io
A Comparator that operates directly on byte representations of objects.
RawLocalFileSystem - Class in org.apache.hadoop.fs
为原始本地文件系统实现FileSystem API。
RawLocalFileSystem() - Constructor for class org.apache.hadoop.fs.RawLocalFileSystem
 
rawMapping - Variable in class org.apache.hadoop.net.CachedDNSToSwitchMapping
未缓存的映射
read(byte[], int, int) - Method in class org.apache.hadoop.fs.AvroFSInput
 
read(long, ByteBuffer) - Method in interface org.apache.hadoop.fs.ByteBufferPositionedReadable
Reads up to buf.remaining() bytes into buf from a given position in the file and returns the number of bytes read.
read(ByteBuffer) - Method in interface org.apache.hadoop.fs.ByteBufferReadable
读取最多 buf.remaining() 字节到 buf 中。
read(long, byte[], int, int) - Method in class org.apache.hadoop.fs.FSDataInputStream
从流中的给定位置读取字节到给定的缓冲区。
read(ByteBuffer) - Method in class org.apache.hadoop.fs.FSDataInputStream
 
read(ByteBufferPool, int, EnumSet) - Method in class org.apache.hadoop.fs.FSDataInputStream
 
read(ByteBufferPool, int) - Method in class org.apache.hadoop.fs.FSDataInputStream
 
read(long, ByteBuffer) - Method in class org.apache.hadoop.fs.FSDataInputStream
 
read(long, byte[], int, int) - Method in class org.apache.hadoop.fs.FSInputStream
 
read(DataInput) - Static method in class org.apache.hadoop.fs.permission.FsPermission
Create and initialize a FsPermission from DataInput.
read(long, byte[], int, int) - Method in interface org.apache.hadoop.fs.PositionedReadable
从文件中指定位置开始读取指定数量的字节,并返回实际读取的字节数。
read(long, byte[], int, int) - Method in class org.apache.hadoop.hdfs.ReplicaAccessor
从副本读取字节。
read(long, ByteBuffer) - Method in class org.apache.hadoop.hdfs.ReplicaAccessor
从副本读取字节。
read(Block) - Method in class org.apache.hadoop.hdfs.server.aliasmap.InMemoryAliasMap
 
read(byte[], int, int) - Method in class org.apache.hadoop.io.compress.CompressionInputStream
从流中读取字节。
read() - Method in class org.apache.hadoop.io.compress.DecompressorStream
 
read(byte[], int, int) - Method in class org.apache.hadoop.io.compress.DecompressorStream
 
read(DataInput) - Static method in class org.apache.hadoop.io.MD5Hash
构建、读取并返回一个实例。
read(DataInput) - Static method in class org.apache.hadoop.mapred.JobID
Deprecated.
read(DataInput) - Static method in class org.apache.hadoop.mapred.TaskAttemptID
Deprecated.
read(DataInput) - Static method in class org.apache.hadoop.mapred.TaskID
Deprecated.
READ_AHEAD_BUFFER_SIZE_KEY - Static variable in class org.apache.hadoop.fs.adl.AdlConfKeys
 
READ_AHEAD_BYTES_READ - Static variable in class org.apache.hadoop.fs.statistics.StreamStatisticNames
从readAhead读取的字节总数。
READ_LINK_COMMAND - Static variable in class org.apache.hadoop.util.Shell
获取链接目标的Unix命令:"readlink"。
readAcontainerLogs(DataInputStream, Writer, long) - Static method in class org.apache.hadoop.yarn.logaggregation.AggregatedLogFormat.LogReader
将所有单个容器的日志写入提供的写入器。
readAcontainerLogs(DataInputStream, Writer) - Static method in class org.apache.hadoop.yarn.logaggregation.AggregatedLogFormat.LogReader
将所有日志写入单个容器到提供的写入器中。
readAContainerLogsForALogType(DataInputStream, PrintStream, long) - Static method in class org.apache.hadoop.yarn.logaggregation.AggregatedLogFormat.LogReader
Keep calling this till you get a EOFException for getting logs of all types for a single container.
readAContainerLogsForALogType(DataInputStream, PrintStream, long, long) - Static method in class org.apache.hadoop.yarn.logaggregation.AggregatedLogFormat.LogReader
Keep calling this till you get a EOFException for getting logs of all types for a single container for the specific bytes.
readAContainerLogsForALogType(DataInputStream, PrintStream) - Static method in class org.apache.hadoop.yarn.logaggregation.AggregatedLogFormat.LogReader
Keep calling this till you get a EOFException for getting logs of all types for a single container.
readAggregatedLogs(ContainerLogsRequest, OutputStream) - Method in class org.apache.hadoop.yarn.logaggregation.filecontroller.LogAggregationFileController
输出容器日志。
readAggregatedLogsMeta(ContainerLogsRequest) - Method in class org.apache.hadoop.yarn.logaggregation.filecontroller.LogAggregationFileController
Return a list of ContainerLogMeta for an application from Remote FileSystem.
READAHEAD - Static variable in interface org.apache.hadoop.fs.StreamCapabilities
Stream setReadahead capability implemented by CanSetReadahead.setReadahead(Long).
READAHEAD_RANGE - Static variable in class org.apache.hadoop.fs.s3a.常量
预读缓冲区大小,以防止连接重新建立。
readBool(String) - Method in class org.apache.hadoop.record.BinaryRecordInput
Deprecated.
 
readBool(String) - Method in interface org.apache.hadoop.record.RecordInput
Deprecated.
从序列化记录中读取布尔值。
readBuffer(String) - Method in class org.apache.hadoop.record.BinaryRecordInput
Deprecated.
 
readBuffer(String) - Method in interface org.apache.hadoop.record.RecordInput
Deprecated.
从序列化记录中读取字节数组。
readByte(String) - Method in class org.apache.hadoop.record.BinaryRecordInput
Deprecated.
 
readByte(String) - Method in interface org.apache.hadoop.record.RecordInput
Deprecated.
从序列化记录中读取一个字节。
READBYTEBUFFER - Static variable in interface org.apache.hadoop.fs.StreamCapabilities
Stream read(ByteBuffer) capability implemented by ByteBufferReadable.read(java.nio.ByteBuffer).
readCompressedByteArray(DataInput) - Static method in class org.apache.hadoop.io.WritableUtils
 
readCompressedString(DataInput) - Static method in class org.apache.hadoop.io.WritableUtils
 
readCompressedStringArray(DataInput) - Static method in class org.apache.hadoop.io.WritableUtils
 
readContainerLogsForALogType(DataInputStream, PrintStream, long, List) - Static method in class org.apache.hadoop.yarn.logaggregation.AggregatedLogFormat.LogReader
Keep calling this till you get a EOFException for getting logs of the specific types for a single container.
readContainerLogsForALogType(DataInputStream, PrintStream, long, List, long) - Static method in class org.apache.hadoop.yarn.logaggregation.AggregatedLogFormat.LogReader
Keep calling this till you get a EOFException for getting logs of the specific types for a single container.
readDouble(byte[], int) - Static method in class org.apache.hadoop.io.WritableComparator
从字节数组中解析一个双精度浮点数。
readDouble(String) - Method in class org.apache.hadoop.record.BinaryRecordInput
Deprecated.
 
readDouble(String) - Method in interface org.apache.hadoop.record.RecordInput
Deprecated.
从序列化记录中读取一个双精度数字。
readDouble(byte[], int) - Static method in class org.apache.hadoop.record.Utils
Deprecated.
从字节数组中解析一个双精度浮点数。
readEnum(DataInput, Class) - Static method in class org.apache.hadoop.io.WritableUtils
从DataInput读取枚举值,枚举使用字符串值进行读写。
readFields(DataInput) - Method in class org.apache.hadoop.conf.配置
 
readFields(DataInput) - Method in class org.apache.hadoop.fs.FileStatus
Deprecated.
Use the PBHelper and protobuf serialization directly.
readFields(DataInput) - Method in class org.apache.hadoop.fs.FsStatus
 
readFields(DataInput) - Method in class org.apache.hadoop.fs.permission.FsPermission
Deprecated.
readFields(DataInput) - Method in class org.apache.hadoop.io.AbstractMapWritable
 
readFields(DataInput) - Method in class org.apache.hadoop.io.ArrayPrimitiveWritable
 
readFields(DataInput) - Method in class org.apache.hadoop.io.ArrayWritable
 
readFields(DataInput) - Method in class org.apache.hadoop.io.BooleanWritable
 
readFields(DataInput) - Method in class org.apache.hadoop.io.BytesWritable
 
readFields(DataInput) - Method in class org.apache.hadoop.io.ByteWritable
 
readFields(DataInput) - Method in class org.apache.hadoop.io.CompressedWritable
 
readFields(DataInput) - Method in class org.apache.hadoop.io.DoubleWritable
 
readFields(DataInput) - Method in class org.apache.hadoop.io.EnumSetWritable
 
readFields(DataInput) - Method in class org.apache.hadoop.io.FloatWritable
 
readFields(DataInput) - Method in class org.apache.hadoop.io.GenericWritable
 
readFields(DataInput) - Method in class org.apache.hadoop.io.IntWritable
 
readFields(DataInput) - Method in class org.apache.hadoop.io.LongWritable
 
readFields(DataInput) - Method in class org.apache.hadoop.io.MapWritable
 
readFields(DataInput) - Method in class org.apache.hadoop.io.MD5Hash
 
readFields(DataInput) - Method in class org.apache.hadoop.io.NullWritable
 
readFields(DataInput) - Method in class org.apache.hadoop.io.ObjectWritable
 
readFields(DataInput) - Method in class org.apache.hadoop.io.ShortWritable
读取短整数值
readFields(DataInput) - Method in class org.apache.hadoop.io.SortedMapWritable
 
readFields(DataInput) - Method in class org.apache.hadoop.io.Text
 
readFields(DataInput, int) - Method in class org.apache.hadoop.io.Text
 
readFields(DataInput) - Method in class org.apache.hadoop.io.TwoDArrayWritable
 
readFields(DataInput) - Method in class org.apache.hadoop.io.VersionedWritable
 
readFields(DataInput) - Method in class org.apache.hadoop.io.VIntWritable
 
readFields(DataInput) - Method in class org.apache.hadoop.io.VLongWritable
 
readFields(DataInput) - Method in interface org.apache.hadoop.io.Writable
Deserialize the fields of this object from in.
readFields(DataInput) - Method in class org.apache.hadoop.mapred.ClusterStatus
 
readFields(DataInput) - Method in class org.apache.hadoop.mapred.Counters.Counter
 
readFields(DataInput) - Method in class org.apache.hadoop.mapred.Counters.Group
 
readFields(DataInput) - Method in class org.apache.hadoop.mapred.FileSplit
 
readFields(DataInput) - Method in class org.apache.hadoop.mapred.join.CompositeInputSplit
Deserialize the fields of this object from in.
readFields(DataInput) - Method in class org.apache.hadoop.mapreduce.ClusterMetrics
 
readFields(DataInput) - Method in class org.apache.hadoop.mapreduce.counters.AbstractCounters
 
readFields(DataInput) - Method in class org.apache.hadoop.mapreduce.ID
 
readFields(DataInput) - Method in class org.apache.hadoop.mapreduce.JobID
 
readFields(DataInput) - Method in class org.apache.hadoop.mapreduce.JobStatus
 
readFields(ResultSet) - Method in interface org.apache.hadoop.mapreduce.lib.db.DBWritable
Reads the fields of the object from the ResultSet.
readFields(DataInput) - Method in class org.apache.hadoop.mapreduce.lib.input.CombineFileSplit
 
readFields(DataInput) - Method in class org.apache.hadoop.mapreduce.lib.input.FileSplit
 
readFields(DataInput) - Method in class org.apache.hadoop.mapreduce.lib.join.CompositeInputSplit
Deserialize the fields of this object from in.
readFields(DataInput) - Method in class org.apache.hadoop.mapreduce.lib.join.TupleWritable
Deserialize the fields of this object from in.
readFields(DataInput) - Method in class org.apache.hadoop.mapreduce.lib.output.committer.manifest.files.DirEntry
 
readFields(DataInput) - Method in class org.apache.hadoop.mapreduce.QueueAclsInfo
 
readFields(DataInput) - Method in class org.apache.hadoop.mapreduce.QueueInfo
 
readFields(DataInput) - Method in class org.apache.hadoop.mapreduce.TaskAttemptID
 
readFields(DataInput) - Method in class org.apache.hadoop.mapreduce.TaskCompletionEvent
 
readFields(DataInput) - Method in class org.apache.hadoop.mapreduce.TaskID
 
readFields(DataInput) - Method in class org.apache.hadoop.mapreduce.TaskTrackerInfo
 
readFields(DataInput) - Method in class org.apache.hadoop.record.Record
Deprecated.
 
readFields(DataInput) - Method in class org.apache.hadoop.security.authorize.AccessControlList
反序列化AccessControlList对象
readFields(DataInput) - Method in class org.apache.hadoop.security.Credentials
加载所有键。
readFields(DataInput) - Method in class org.apache.hadoop.security.token.delegation.AbstractDelegationTokenIdentifier
 
readFields(DataInput) - Method in class org.apache.hadoop.security.token.Token
 
readFields(DataInput) - Method in class org.apache.hadoop.util.bloom.BloomFilter
 
readFields(DataInput) - Method in class org.apache.hadoop.util.bloom.CountingBloomFilter
 
readFields(DataInput) - Method in class org.apache.hadoop.util.bloom.DynamicBloomFilter
 
readFields(DataInput) - Method in class org.apache.hadoop.util.bloom.RetouchedBloomFilter
 
readFields(DataInput) - Method in class org.apache.hadoop.yarn.security.AMRMTokenIdentifier
 
readFields(DataInput) - Method in class org.apache.hadoop.yarn.security.client.ClientToAMTokenIdentifier
 
readFields(DataInput) - Method in class org.apache.hadoop.yarn.security.ContainerTokenIdentifier
 
readFields(DataInput) - Method in class org.apache.hadoop.yarn.security.NMTokenIdentifier
 
readFieldsCompressed(DataInput) - Method in class org.apache.hadoop.io.CompressedWritable
Subclasses implement this instead of CompressedWritable.readFields(DataInput).
readFloat(byte[], int) - Static method in class org.apache.hadoop.io.WritableComparator
从字节数组中解析浮点数。
readFloat(String) - Method in class org.apache.hadoop.record.BinaryRecordInput
Deprecated.
 
readFloat(String) - Method in interface org.apache.hadoop.record.RecordInput
Deprecated.
从序列化记录中读取单精度浮点数。
readFloat(byte[], int) - Static method in class org.apache.hadoop.record.Utils
Deprecated.
从字节数组中解析浮点数。
readFully(long, ByteBuffer) - Method in interface org.apache.hadoop.fs.ByteBufferPositionedReadable
Reads buf.remaining() bytes into buf from a given position in the file or until the end of the data was reached before the read operation completed.
readFully(long, byte[], int, int) - Method in class org.apache.hadoop.fs.FSDataInputStream
从流中的指定位置读取字节到给定的缓冲区。
readFully(long, byte[]) - Method in class org.apache.hadoop.fs.FSDataInputStream
readFully(long, ByteBuffer) - Method in class org.apache.hadoop.fs.FSDataInputStream
委托给底层流。
readFully(long, byte[], int, int) - Method in class org.apache.hadoop.fs.FSInputStream
 
readFully(long, byte[]) - Method in class org.apache.hadoop.fs.FSInputStream
 
readFully(long, byte[], int, int) - Method in interface org.apache.hadoop.fs.PositionedReadable
从文件中的指定位置读取指定数量的字节。
readFully(long, byte[]) - Method in interface org.apache.hadoop.fs.PositionedReadable
从文件中的指定位置读取与缓冲区长度相等的字节数。
readFully(InputStream, byte[], int, int) - Static method in class org.apache.hadoop.io.IOUtils
循环读取len字节。
readFullyToByteArray(DataInput) - Static method in class org.apache.hadoop.io.IOUtils
读取DataInput直到文件结束(EOF)并返回一个字节数组。
readinessCheck(ReadinessCheck) - Method in class org.apache.hadoop.yarn.service.api.records.组件
对此组件的就绪状态检查。
ReadinessCheck - Class in org.apache.hadoop.yarn.service.api.records
一个自定义命令或可插拔的辅助容器,用于确定组件容器的就绪状态。
ReadinessCheck() - Constructor for class org.apache.hadoop.yarn.service.api.records.ReadinessCheck
 
readInt(byte[], int) - Static method in class org.apache.hadoop.io.WritableComparator
从字节数组中解析整数。
readInt(String) - Method in class org.apache.hadoop.record.BinaryRecordInput
Deprecated.
 
readInt(String) - Method in interface org.apache.hadoop.record.RecordInput
Deprecated.
从序列化记录中读取一个整数。
readLink(File) - Static method in class org.apache.hadoop.fs.FileUtil
返回给定符号链接的目标。
readLong(byte[], int) - Static method in class org.apache.hadoop.io.WritableComparator
从字节数组中解析出一个长整型数值。
readLong(String) - Method in class org.apache.hadoop.record.BinaryRecordInput
Deprecated.
 
readLong(String) - Method in interface org.apache.hadoop.record.RecordInput
Deprecated.
从序列化记录中读取一个长整型数。
readObject(DataInput, Configuration) - Static method in class org.apache.hadoop.io.ObjectWritable
Read a Writable, String, primitive type, or an array of the preceding.
readObject(DataInput, ObjectWritable, Configuration) - Static method in class org.apache.hadoop.io.ObjectWritable
Read a Writable, String, primitive type, or an array of the preceding.
ReadOption - Enum in org.apache.hadoop.fs
从文件系统读取时可用的选项。
readString(DataInput) - Static method in class org.apache.hadoop.io.file.tfile.Utils
读取一个字符串作为VInt n,后面跟着以文本格式的n个字节。
readString(DataInput) - Static method in class org.apache.hadoop.io.Text
 
readString(DataInput, int) - Static method in class org.apache.hadoop.io.Text
 
readString(DataInput) - Static method in class org.apache.hadoop.io.WritableUtils
 
readString(String) - Method in class org.apache.hadoop.record.BinaryRecordInput
Deprecated.
 
readString(String) - Method in interface org.apache.hadoop.record.RecordInput
Deprecated.
从序列化记录中读取UTF-8编码的字符串。
readStringArray(DataInput) - Static method in class org.apache.hadoop.io.WritableUtils
 
readStringSafely(DataInput, int) - Static method in class org.apache.hadoop.io.WritableUtils
读取一个字符串,但会检查其合理性。
readTokenStorageFile(Path, Configuration) - Static method in class org.apache.hadoop.security.Credentials
读取令牌存储文件并加载其令牌的便捷方法。
readTokenStorageFile(File, Configuration) - Static method in class org.apache.hadoop.security.Credentials
读取令牌存储文件并加载其令牌的便捷方法。
readTokenStorageStream(DataInputStream) - Method in class org.apache.hadoop.security.Credentials
从DataInputStream读取令牌的便捷方法。
readUnsignedShort(byte[], int) - Static method in class org.apache.hadoop.io.WritableComparator
从字节数组中解析一个无符号短整型。
readVectored(List, IntFunction) - Method in class org.apache.hadoop.fs.FSDataInputStream
 
readVectored(List, IntFunction) - Method in interface org.apache.hadoop.fs.PositionedReadable
从此文件异步完整读取文件范围列表。
readVInt(DataInput) - Static method in class org.apache.hadoop.io.file.tfile.Utils
解码可变长度整数。
readVInt(byte[], int) - Static method in class org.apache.hadoop.io.WritableComparator
从字节数组中读取一个零压缩编码的整数并返回它。
readVInt(DataInput) - Static method in class org.apache.hadoop.io.WritableUtils
从输入流中读取一个零压缩编码的整数并返回它。
readVInt(byte[], int) - Static method in class org.apache.hadoop.record.Utils
Deprecated.
从字节数组中读取一个零压缩编码的整数并返回它。
readVInt(DataInput) - Static method in class org.apache.hadoop.record.Utils
Deprecated.
从流中读取一个零压缩编码的整数并返回它。
readVIntInRange(DataInput, int, int) - Static method in class org.apache.hadoop.io.WritableUtils
从输入流中读取一个整数并返回它。
readVLong(DataInput) - Static method in class org.apache.hadoop.io.file.tfile.Utils
解码可变长度整数。
readVLong(byte[], int) - Static method in class org.apache.hadoop.io.WritableComparator
从字节数组中读取一个零压缩编码的长整型数并返回它。
readVLong(DataInput) - Static method in class org.apache.hadoop.io.WritableUtils
从输入流中读取一个零压缩编码的长整型数并返回它。
readVLong(byte[], int) - Static method in class org.apache.hadoop.record.Utils
Deprecated.
从字节数组中读取一个零压缩编码的长整型数并返回它。
readVLong(DataInput) - Static method in class org.apache.hadoop.record.Utils
Deprecated.
从流中读取一个零压缩编码的长整型数并返回它。
readWithKnownLength(DataInput, int) - Method in class org.apache.hadoop.io.Text
读取一个长度已知的文本对象。
READY - Static variable in class org.apache.hadoop.mapred.jobcontrol.Job
 
REAL_USER_STR - Static variable in class org.apache.hadoop.ipc.CallerContext
 
reattachMetrics() - Static method in class org.apache.hadoop.security.UserGroupInformation
将类的指标重新附加到新的指标系统。
receivedPing(O) - Method in class org.apache.hadoop.yarn.util.AbstractLivelinessMonitor
 
ReconfigurationProtocolPB - Interface in org.apache.hadoop.hdfs.protocolPB
客户端用于与NN/DN通信以进行动态重新配置的协议。
记录 - Class in org.apache.hadoop.record
Deprecated.
Replaced by Avro.
Record() - Constructor for class org.apache.hadoop.record.Record
Deprecated.
 
RECORD_TYPE - Static variable in class org.apache.hadoop.registry.client.types.ServiceRecord
一个类型字符串,必须采用序列化的JSON格式。
RecordComparator - Class in org.apache.hadoop.record
Deprecated.
Replaced by Avro.
RecordComparator(Class) - Constructor for class org.apache.hadoop.record.RecordComparator
Deprecated.
Construct a raw Record comparison implementation.
RecordInput - Interface in org.apache.hadoop.record
Deprecated.
Replaced by Avro.
recordJobFailure(Throwable) - Method in class org.apache.hadoop.mapreduce.lib.output.committer.manifest.files.ManifestSuccessData
通过将成功标志设置为false来记录失败,然后将异常添加到诊断信息中。
RecordOutput - Interface in org.apache.hadoop.record
Deprecated.
Replaced by Avro.
RecordReader<K,V> - Interface in org.apache.hadoop.mapred
RecordReader reads <key, value> pairs from an InputSplit.
RecordReader<KEYIN,VALUEIN> - Class in org.apache.hadoop.mapreduce
The record reader breaks the data into key/value pairs for input to the Mapper.
RecordReader() - Constructor for class org.apache.hadoop.mapreduce.RecordReader
 
RecordWriter<K,V> - Interface in org.apache.hadoop.mapred
RecordWriter writes the output <key, value> pairs to an output file.
RecordWriter<K,V> - Class in org.apache.hadoop.mapreduce
RecordWriter writes the output <key, value> pairs to an output file.
RecordWriter() - Constructor for class org.apache.hadoop.mapreduce.RecordWriter
 
recoverFilesWithDanglingTempData(Path, Path) - Method in class org.apache.hadoop.fs.azure.NativeAzureFileSystem
在给定的根路径下查找任何"悬空"的blob, 这意味着它们是我们在上传数据到临时blob时创建的占位blob, 但由于某些原因我们在上传过程中崩溃并遗留了它们。
recoverTask(TaskAttemptContext) - Method in class org.apache.hadoop.mapred.FileOutputCommitter
 
recoverTask(TaskAttemptContext) - Method in class org.apache.hadoop.mapred.OutputCommitter
恢复任务输出。
recoverTask(TaskAttemptContext) - Method in class org.apache.hadoop.mapred.OutputCommitter
该方法通过调用旧方法实现了新接口。
recoverTask(TaskAttemptContext) - Method in class org.apache.hadoop.mapreduce.lib.output.BindingPathOutputCommitter
 
recoverTask(TaskAttemptContext) - Method in class org.apache.hadoop.mapreduce.lib.output.committer.manifest.ManifestCommitter
 
recoverTask(TaskAttemptContext) - Method in class org.apache.hadoop.mapreduce.lib.output.FileOutputCommitter
 
recoverTask(TaskAttemptContext) - Method in class org.apache.hadoop.mapreduce.OutputCommitter
恢复任务输出。
RECOVERY_ENABLED - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
recursive() - Method in class org.apache.hadoop.fs.FSDataOutputStreamBuilder
如果父目录不存在,则创建它。
reduce(Text, Iterator, OutputCollector, Reporter) - Method in class org.apache.hadoop.mapred.lib.aggregate.ValueAggregatorCombiner
合并给定键的值。
reduce(Text, Iterator, OutputCollector, Reporter) - Method in class org.apache.hadoop.mapred.lib.aggregate.ValueAggregatorMapper
不执行任何操作。
reduce(Text, Iterator, OutputCollector, Reporter) - Method in class org.apache.hadoop.mapred.lib.aggregate.ValueAggregatorReducer
 
reduce(Object, Iterator, OutputCollector, Reporter) - Method in class org.apache.hadoop.mapred.lib.ChainReducer
Chains the reduce(...) method of the Reducer with the map(...) methods of the Mappers in the chain.
reduce(Text, Iterator, OutputCollector, Reporter) - Method in class org.apache.hadoop.mapred.lib.FieldSelectionMapReduce
 
reduce(K, Iterator, OutputCollector, Reporter) - Method in class org.apache.hadoop.mapred.lib.IdentityReducer
将所有键和值直接写入输出。
reduce(K, Iterator, OutputCollector, Reporter) - Method in class org.apache.hadoop.mapred.lib.LongSumReducer
 
reduce(K2, Iterator, OutputCollector, Reporter) - Method in interface org.apache.hadoop.mapred.Reducer
Reduces values for a given key.
reduce(Text, Iterable, Reducer.Context) - Method in class org.apache.hadoop.mapreduce.lib.aggregate.ValueAggregatorCombiner
合并给定键的值。
reduce(Text, Iterable, Reducer.Context) - Method in class org.apache.hadoop.mapreduce.lib.aggregate.ValueAggregatorReducer
 
reduce(Text, Iterable, Reducer.Context) - Method in class org.apache.hadoop.mapreduce.lib.fieldsel.FieldSelectionReducer
 
reduce(Key, Iterable, Reducer.Context) - Method in class org.apache.hadoop.mapreduce.lib.reduce.IntSumReducer
 
reduce(KEY, Iterable, Reducer.Context) - Method in class org.apache.hadoop.mapreduce.lib.reduce.LongSumReducer
 
reduce(KEYIN, Iterable, Reducer.Context) - Method in class org.apache.hadoop.mapreduce.Reducer
该方法会为每个键调用一次。
REDUCE_OUTPUT_KEY_VALUE_SPEC - Static variable in class org.apache.hadoop.mapreduce.lib.fieldsel.FieldSelectionHelper
 
ReduceContext<KEYIN,VALUEIN,KEYOUT,VALUEOUT> - Interface in org.apache.hadoop.mapreduce
The context passed to the Reducer.
reduceProgress() - Method in class org.apache.hadoop.mapred.JobStatus
 
reduceProgress() - Method in interface org.apache.hadoop.mapred.RunningJob
Get the progress of the job's reduce-tasks, as a float between 0.0 and 1.0.
reduceProgress() - Method in class org.apache.hadoop.mapreduce.Job
Get the progress of the job's reduce-tasks, as a float between 0.0 and 1.0.
Reducer<K2,V2,K3,V3> - Interface in org.apache.hadoop.mapred
将共享同一个键的一组中间值缩减为更小的值集。
Reducer<KEYIN,VALUEIN,KEYOUT,VALUEOUT> - Class in org.apache.hadoop.mapreduce
将共享同一个键的一组中间值缩减为更小的值集合。
Reducer() - Constructor for class org.apache.hadoop.mapreduce.Reducer
 
reencryptEncryptionZone(Path, HdfsConstants.ReencryptAction) - Method in class org.apache.hadoop.hdfs.client.HdfsAdmin
对指定的加密区域执行重新加密操作。
REFERRER_GROUP - Static variable in class org.apache.hadoop.fs.s3a.audit.S3LogParser
日志组"referrer"。
ReflectionUtils - Class in org.apache.hadoop.util
通用反射工具
ReflectionUtils() - Constructor for class org.apache.hadoop.util.ReflectionUtils
 
refresh() - Method in class org.apache.hadoop.hdfs.server.common.blockaliasmap.BlockAliasMap
刷新别名映射。
refresh() - Method in class org.apache.hadoop.hdfs.server.common.blockaliasmap.impl.LevelDBFileRegionAliasMap
 
refresh() - Method in class org.apache.hadoop.hdfs.server.common.blockaliasmap.impl.TextFileRegionAliasMap
 
refresh() - Method in class org.apache.hadoop.hdfs.server.namenode.NullBlockAliasMap
 
REFRESH_TOKEN - Static variable in class org.apache.hadoop.hdfs.web.oauth2.OAuth2Constants
 
refreshCallQueue(Configuration) - Method in class org.apache.hadoop.ipc.Server
 
refreshServiceAcl(Configuration, PolicyProvider) - Method in class org.apache.hadoop.ipc.Server
刷新此服务器处理的服务的服务授权ACL。
RegexFilter - Class in org.apache.hadoop.metrics2.filter
用于指标的正则表达式模式过滤器
RegexFilter() - Constructor for class org.apache.hadoop.metrics2.filter.RegexFilter
 
RegexMapper<K> - Class in org.apache.hadoop.mapred.lib
A Mapper that extracts text matching a regular expression.
RegexMapper() - Constructor for class org.apache.hadoop.mapred.lib.RegexMapper
 
RegexMapper<K> - Class in org.apache.hadoop.mapreduce.lib.map
A Mapper that extracts text matching a regular expression.
RegexMapper() - Constructor for class org.apache.hadoop.mapreduce.lib.map.RegexMapper
 
register(String, String, T) - Method in class org.apache.hadoop.metrics2.MetricsSystem
注册一个指标源
register(T) - Method in class org.apache.hadoop.metrics2.MetricsSystem
注册一个指标源(从对象派生名称和描述)
register(String, String, T) - Method in class org.apache.hadoop.metrics2.MetricsSystem
注册一个指标接收器
register(MetricsSystem.Callback) - Method in class org.apache.hadoop.metrics2.MetricsSystem
为JMX事件注册回调接口
register(String, String, Object) - Static method in class org.apache.hadoop.metrics2.util.MBeans
使用我们标准的MBeanName格式注册MBean "hadoop:service=,name=" 其中和是提供的参数。
register(String, String, Map, Object) - Static method in class org.apache.hadoop.metrics2.util.MBeans
使用我们标准的MBeanName格式注册MBean "hadoop:service=,name=" 其中和是提供的参数。
register(String, ServiceRecord) - Method in interface org.apache.hadoop.registry.client.api.DNSOperations
基于服务记录注册服务。
register(Class, EventHandler) - Method in class org.apache.hadoop.yarn.event.AsyncDispatcher
 
register(Class, EventHandler) - Method in interface org.apache.hadoop.yarn.event.Dispatcher
 
register(O) - Method in class org.apache.hadoop.yarn.util.AbstractLivelinessMonitor
 
register(O, long) - Method in class org.apache.hadoop.yarn.util.AbstractLivelinessMonitor
 
registerApplicationMaster(RegisterApplicationMasterRequest) - Method in interface org.apache.hadoop.yarn.api.ApplicationMasterProtocol
The interface used by a new ApplicationMaster to register with the ResourceManager.
registerApplicationMaster(String, int, String) - Method in class org.apache.hadoop.yarn.client.api.AMRMClient
注册应用程序主节点。
registerApplicationMaster(String, int, String, Map, PlacementConstraint>) - Method in class org.apache.hadoop.yarn.client.api.AMRMClient
注册应用程序主节点。
registerApplicationMaster(String, int, String) - Method in class org.apache.hadoop.yarn.client.api.async.AMRMClientAsync
将此应用程序主节点注册到资源管理器。
registerApplicationMaster(String, int, String, Map, PlacementConstraint>) - Method in class org.apache.hadoop.yarn.client.api.async.AMRMClientAsync
注册应用程序主节点。
RegisterApplicationMasterRequest - Class in org.apache.hadoop.yarn.api.protocolrecords
The request sent by the ApplicationMaster to ResourceManager on registration.
RegisterApplicationMasterRequest() - Constructor for class org.apache.hadoop.yarn.api.protocolrecords.RegisterApplicationMasterRequest
 
RegisterApplicationMasterResponse - Class in org.apache.hadoop.yarn.api.protocolrecords
The response sent by the ResourceManager to a new ApplicationMaster on registration.
RegisterApplicationMasterResponse() - Constructor for class org.apache.hadoop.yarn.api.protocolrecords.RegisterApplicationMasterResponse
 
registerGlobalListener(ServiceStateChangeListener) - Static method in class org.apache.hadoop.service.AbstractService
注册一个全局监听器,用于接收来自JVM中所有服务状态变更事件的通知
registerKey(String, Class) - Method in class org.apache.hadoop.mapred.nativetask.Platform
将键类与其序列化器和平台关联
registerProtocolEngine(RPC.RpcKind, Class, RPC.RpcInvoker) - Static method in class org.apache.hadoop.ipc.Server
注册一个RPC类型及其用于反序列化RPC请求的类。
registerServiceListener(ServiceStateChangeListener) - Method in class org.apache.hadoop.service.AbstractService
 
registerServiceListener(ServiceStateChangeListener) - Method in interface org.apache.hadoop.service.Service
注册一个监听器以响应服务状态变更事件。
registerTimelineV2Client(TimelineV2Client) - Method in class org.apache.hadoop.yarn.client.api.AMRMClient
将TimelineV2Client注册到AMRMClient。
registerTimelineV2Client(TimelineV2Client) - Method in class org.apache.hadoop.yarn.client.api.async.AMRMClientAsync
将TimelineClient注册到AMRMClient。
REGISTRY_CLIENT_AUTH_ANONYMOUS - Static variable in interface org.apache.hadoop.registry.client.api.RegistryConstants
无需认证;客户端为匿名状态。
REGISTRY_CLIENT_AUTH_DIGEST - Static variable in interface org.apache.hadoop.registry.client.api.RegistryConstants
用户名/密码是认证机制。
REGISTRY_CLIENT_AUTH_KERBEROS - Static variable in interface org.apache.hadoop.registry.client.api.RegistryConstants
注册客户端使用Kerberos:认证过程会自动使用已登录用户的凭据。
REGISTRY_CLIENT_AUTH_SIMPLE - Static variable in interface org.apache.hadoop.registry.client.api.RegistryConstants
 
REGISTRY_PREFIX - Static variable in interface org.apache.hadoop.registry.client.api.RegistryConstants
注册表配置选项的前缀:"hadoop.registry."。
RegistryBindingSource - Interface in org.apache.hadoop.registry.client.impl.zk
可由注册表绑定源实现的接口
RegistryConstants - Interface in org.apache.hadoop.registry.client.api
注册表的常量,包括配置键和默认值。
RegistryIOException - Exception in org.apache.hadoop.registry.client.exceptions
注册表操作的基础异常。
RegistryIOException(String, PathIOException) - Constructor for exception org.apache.hadoop.registry.client.exceptions.RegistryIOException
从任何其他路径IO异常构建异常。
RegistryIOException(String, Throwable) - Constructor for exception org.apache.hadoop.registry.client.exceptions.RegistryIOException
 
RegistryIOException(String, String) - Constructor for exception org.apache.hadoop.registry.client.exceptions.RegistryIOException
 
RegistryIOException(String, String, Throwable) - Constructor for exception org.apache.hadoop.registry.client.exceptions.RegistryIOException
 
RegistryOperations - Interface in org.apache.hadoop.registry.client.api
注册表操作
RegistryOperationsClient - Class in org.apache.hadoop.registry.client.impl
这是供应用程序与注册表交互的客户端服务。
RegistryOperationsClient(String) - Constructor for class org.apache.hadoop.registry.client.impl.RegistryOperationsClient
 
RegistryOperationsClient(String, RegistryBindingSource) - Constructor for class org.apache.hadoop.registry.client.impl.RegistryOperationsClient
 
RegistryOperationsService - Class in org.apache.hadoop.registry.client.impl.zk
注册表操作服务。
RegistryOperationsService(String) - Constructor for class org.apache.hadoop.registry.client.impl.zk.RegistryOperationsService
 
RegistryOperationsService() - Constructor for class org.apache.hadoop.registry.client.impl.zk.RegistryOperationsService
 
RegistryOperationsService(String, RegistryBindingSource) - Constructor for class org.apache.hadoop.registry.client.impl.zk.RegistryOperationsService
 
RegistryPathStatus - Class in org.apache.hadoop.registry.client.types
Output of a RegistryOperations.stat() call
RegistryPathStatus(String, long, long, int) - Constructor for class org.apache.hadoop.registry.client.types.RegistryPathStatus
构造一个实例
RegistryTypeUtils - Class in org.apache.hadoop.registry.client.binding
用于处理注册表类型的静态方法——主要是端点(endpoints)和地址的列表表示形式。
RegistryTypeUtils() - Constructor for class org.apache.hadoop.registry.client.binding.RegistryTypeUtils
 
registryUser(String) - Static method in class org.apache.hadoop.registry.client.binding.RegistryUtils
将给定的用户名转换为适用于注册表的格式。
RegistryUtils - Class in org.apache.hadoop.registry.client.binding
用于操作注册表的实用方法。
RegistryUtils() - Constructor for class org.apache.hadoop.registry.client.binding.RegistryUtils
 
RehashPartitioner<K,V> - Class in org.apache.hadoop.mapreduce.lib.partition
This partitioner rehashes values returned by Object.hashCode() to get smoother distribution between partitions which may improve reduce reduce time in some cases and should harm things in no cases.
RehashPartitioner() - Constructor for class org.apache.hadoop.mapreduce.lib.partition.RehashPartitioner
 
reinit(Configuration) - Method in interface org.apache.hadoop.io.compress.Compressor
准备在给定配置中定义的设置下用于新流的压缩器
reInitializeContainer(ReInitializeContainerRequest) - Method in interface org.apache.hadoop.yarn.api.ContainerManagementProtocol
使用新的启动上下文重新初始化容器。
reInitializeContainer(ContainerId, ContainerLaunchContext, boolean) - Method in class org.apache.hadoop.yarn.client.api.NMClient
重新初始化容器。
reInitializeContainerAsync(ContainerId, ContainerLaunchContext, boolean) - Method in class org.apache.hadoop.yarn.client.api.async.NMClientAsync
重新初始化容器。
ReInitializeContainerRequest - Class in org.apache.hadoop.yarn.api.protocolrecords
这封装了容器重新初始化所需的所有字段。
ReInitializeContainerRequest() - Constructor for class org.apache.hadoop.yarn.api.protocolrecords.ReInitializeContainerRequest
 
ReInitializeContainerResponse - Class in org.apache.hadoop.yarn.api.protocolrecords
The response to the ReInitializeContainerRequest.
ReInitializeContainerResponse() - Constructor for class org.apache.hadoop.yarn.api.protocolrecords.ReInitializeContainerResponse
 
RejectedSchedulingRequest - Class in org.apache.hadoop.yarn.api.records
这封装了一个被拒绝的调度请求。
RejectedSchedulingRequest() - Constructor for class org.apache.hadoop.yarn.api.records.RejectedSchedulingRequest
 
RejectionReason - Enum in org.apache.hadoop.yarn.api.records
拒绝调度请求的原因。
rejectUnknownMandatoryKeys(Collection, String) - Method in class org.apache.hadoop.fs.impl.AbstractFSBuilderImpl
如果配置中缺少一个或多个必需键,则拒绝该配置。
rejectUnknownMandatoryKeys(Set, Collection, String) - Static method in class org.apache.hadoop.fs.impl.AbstractFSBuilderImpl
如果配置中缺少一个或多个必需键,则拒绝该配置。
RELATIVE_EXPIRY_NEVER - Static variable in class org.apache.hadoop.hdfs.protocol.CachePoolInfo
表示该池没有最大相对到期时间。
relaxLocality(boolean) - Method in class org.apache.hadoop.yarn.api.records.ResourceRequest.ResourceRequestBuilder
Set the relaxLocality of the request.
release() - Method in interface org.apache.hadoop.io.ByteBufferPool
清空缓冲池,从而释放所有缓冲区。
release(ReleaseSharedCacheResourceRequest) - Method in interface org.apache.hadoop.yarn.api.ClientSCMProtocol
The interface used by clients to release a resource with the SharedCacheManager. This method is called once an application is no longer using a claimed resource in the shared cache.
release(ApplicationId, String) - Method in class org.apache.hadoop.yarn.client.api.SharedCacheClient
The method to release a resource with the SharedCacheManager. This method is called once an application is no longer using a claimed resource in the shared cache.
RELEASE_LEASE_ACTION - Static variable in class org.apache.hadoop.fs.azurebfs.constants.AbfsHttpConstants
 
releaseAssignedContainer(ContainerId) - Method in class org.apache.hadoop.yarn.client.api.AMRMClient
释放由Resource Manager分配的容器。
releaseAssignedContainer(ContainerId) - Method in class org.apache.hadoop.yarn.client.api.async.AMRMClientAsync
释放由Resource Manager分配的容器。
releaseBuffer(ByteBuffer) - Method in class org.apache.hadoop.fs.FSDataInputStream
 
releaseList(List) - Method in class org.apache.hadoop.yarn.api.protocolrecords.AllocateRequest.AllocateRequestBuilder
Set the releaseList of the request.
ReleaseSharedCacheResourceRequest - Class in org.apache.hadoop.yarn.api.protocolrecords
客户端请求释放共享缓存中的资源。
ReleaseSharedCacheResourceRequest() - Constructor for class org.apache.hadoop.yarn.api.protocolrecords.ReleaseSharedCacheResourceRequest
 
ReleaseSharedCacheResourceResponse - Class in org.apache.hadoop.yarn.api.protocolrecords
The response to clients from the SharedCacheManager when releasing a resource in the shared cache.
ReleaseSharedCacheResourceResponse() - Constructor for class org.apache.hadoop.yarn.api.protocolrecords.ReleaseSharedCacheResourceResponse
 
reloadCachedMappings() - Method in class org.apache.hadoop.net.CachedDNSToSwitchMapping
 
reloadCachedMappings(List) - Method in class org.apache.hadoop.net.CachedDNSToSwitchMapping
 
reloadCachedMappings() - Method in interface org.apache.hadoop.net.DNSToSwitchMapping
重新加载所有缓存的映射。
reloadCachedMappings(List) - Method in interface org.apache.hadoop.net.DNSToSwitchMapping
在特定节点上重新加载缓存的映射。
reloadCachedMappings() - Method in class org.apache.hadoop.net.TableMapping
 
reloadConfiguration() - Method in class org.apache.hadoop.conf.配置
从之前添加的资源重新加载配置。
reloadExistingConfigurations() - Static method in class org.apache.hadoop.conf.配置
重新加载现有的配置实例。
reloginFromKeytab() - Method in class org.apache.hadoop.security.UserGroupInformation
从密钥表文件重新登录用户。
reloginFromTicketCache() - Method in class org.apache.hadoop.security.UserGroupInformation
从票据缓存中重新登录用户。
REMOTE_BYTES_READ - Static variable in class org.apache.hadoop.fs.statistics.StreamStatisticNames
从远程操作读取的总字节数。
REMOTE_READ_OP - Static variable in class org.apache.hadoop.fs.statistics.StreamStatisticNames
执行的远程读取操作总数。
RemoteFileChangedException - Exception in org.apache.hadoop.fs.s3a
表示S3对象与预期版本不同步。
RemoteFileChangedException(String, String, String) - Constructor for exception org.apache.hadoop.fs.s3a.RemoteFileChangedException
构造一个RemoteFileChangedException异常。
RemoteFileChangedException(String, String, String, Throwable) - Constructor for exception org.apache.hadoop.fs.s3a.RemoteFileChangedException
构造一个RemoteFileChangedException异常。
REMOTEIP_GROUP - Static variable in class org.apache.hadoop.fs.s3a.audit.S3LogParser
记录组 "remoteip"。
remoteIteratorFromArray(T[]) - Static method in class org.apache.hadoop.util.functional.RemoteIterators
从数组创建一个远程迭代器。
remoteIteratorFromIterable(Iterable) - Static method in class org.apache.hadoop.util.functional.RemoteIterators
从java.util.Iterable创建一个远程迭代器 - 例如
remoteIteratorFromIterator(Iterator) - Static method in class org.apache.hadoop.util.functional.RemoteIterators
从java.util.Iterator创建一个远程迭代器。
remoteIteratorFromSingleton(T) - Static method in class org.apache.hadoop.util.functional.RemoteIterators
从单例创建一个迭代器。
远程迭代器 - Class in org.apache.hadoop.util.functional
一组支持转换和过滤的远程迭代器,具有IOStatisticsSource透传功能,并能将迭代器转换为列表/数组以及对值执行操作。
remoteRootLogDir - Variable in class org.apache.hadoop.yarn.logaggregation.filecontroller.LogAggregationFileController
 
remoteRootLogDirSuffix - Variable in class org.apache.hadoop.yarn.logaggregation.filecontroller.LogAggregationFileController
 
remove(String) - Method in class org.apache.hadoop.fs.audit.CommonAuditContext
移除一个上下文条目。
remove(T) - Method in class org.apache.hadoop.hdfs.server.federation.store.driver.impl.StateStoreBaseImpl
 
remove(Object) - Method in class org.apache.hadoop.io.MapWritable
 
remove(Object) - Method in class org.apache.hadoop.io.SortedMapWritable
 
remove() - Method in class org.apache.hadoop.mapreduce.MarkableIterator
 
removeAcl(Path) - Method in class org.apache.hadoop.fs.AbstractFileSystem
移除文件和目录的所有基础ACL条目。
removeAcl(Path) - Method in class org.apache.hadoop.fs.adl.AdlFileSystem
移除文件和目录的所有基础ACL条目。
removeAcl(Path, TracingContext) - Method in class org.apache.hadoop.fs.azurebfs.AzureBlobFileSystemStore
 
removeAcl(Path) - Method in class org.apache.hadoop.fs.ChecksumFileSystem
 
removeAcl(Path) - Method in class org.apache.hadoop.fs.FileContext
移除文件和目录的所有基础ACL条目。
removeAcl(Path) - Method in class org.apache.hadoop.fs.FileSystem
移除文件和目录的所有基础ACL条目之外的内容。
removeAcl(Path) - Method in class org.apache.hadoop.fs.FilterFileSystem
 
removeAcl(Path) - Method in class org.apache.hadoop.fs.viewfs.ViewFileSystem
 
removeAcl(Path) - Method in class org.apache.hadoop.fs.viewfs.ViewFs
 
removeAclEntries(Path, List) - Method in class org.apache.hadoop.fs.AbstractFileSystem
从文件和目录中移除ACL条目。
removeAclEntries(Path, List) - Method in class org.apache.hadoop.fs.adl.AdlFileSystem
从文件和目录中移除ACL条目。
removeAclEntries(Path, List, TracingContext) - Method in class org.apache.hadoop.fs.azurebfs.AzureBlobFileSystemStore
 
removeAclEntries(Path, List) - Method in class org.apache.hadoop.fs.ChecksumFileSystem
 
removeAclEntries(Path, List) - Method in class org.apache.hadoop.fs.FileContext
从文件和目录中移除ACL条目。
removeAclEntries(Path, List) - Method in class org.apache.hadoop.fs.FileSystem
从文件和目录中移除ACL条目。
removeAclEntries(Path, List) - Method in class org.apache.hadoop.fs.FilterFileSystem
 
removeAclEntries(Path, List) - Method in class org.apache.hadoop.fs.viewfs.ViewFileSystem
 
removeAclEntries(Path, List) - Method in class org.apache.hadoop.fs.viewfs.ViewFs
 
removeBlocker(String) - Method in class org.apache.hadoop.service.AbstractService
从阻塞器映射中移除一个阻塞器 - 如果该阻塞器不存在则不执行任何操作
removeCacheDirective(long) - Method in class org.apache.hadoop.hdfs.client.HdfsAdmin
移除一个CacheDirective。
removeCachePool(String) - Method in class org.apache.hadoop.hdfs.client.HdfsAdmin
移除一个缓存池。
removeContainer(Container) - Method in class org.apache.hadoop.yarn.service.api.records.组件
 
removeContainerRequest(T) - Method in class org.apache.hadoop.yarn.client.api.AMRMClient
移除之前的容器请求。
removeContainerRequest(T) - Method in class org.apache.hadoop.yarn.client.api.async.AMRMClientAsync
移除之前的容器请求。
removeDefaultAcl(Path) - Method in class org.apache.hadoop.fs.AbstractFileSystem
从文件和目录中移除所有默认ACL条目。
removeDefaultAcl(Path) - Method in class org.apache.hadoop.fs.adl.AdlFileSystem
从文件和目录中移除所有默认的ACL条目。
removeDefaultAcl(Path, TracingContext) - Method in class org.apache.hadoop.fs.azurebfs.AzureBlobFileSystemStore
 
removeDefaultAcl(Path) - Method in class org.apache.hadoop.fs.ChecksumFileSystem
 
removeDefaultAcl(Path) - Method in class org.apache.hadoop.fs.FileContext
从文件和目录中移除所有默认ACL条目。
removeDefaultAcl(Path) - Method in class org.apache.hadoop.fs.FileSystem
从文件和目录中移除所有默认的ACL条目。
removeDefaultAcl(Path) - Method in class org.apache.hadoop.fs.FilterFileSystem
 
removeDefaultAcl(Path) - Method in class org.apache.hadoop.fs.viewfs.ViewFileSystem
 
removeDefaultAcl(Path) - Method in class org.apache.hadoop.fs.viewfs.ViewFs
 
removeErasureCodingPolicy(String) - Method in class org.apache.hadoop.hdfs.client.HdfsAdmin
移除擦除编码策略。
removeExpiredStoredToken(TokenIdent) - Method in class org.apache.hadoop.security.token.delegation.AbstractDelegationTokenSecretManager
 
removeGlobalContextEntry(String) - Static method in class org.apache.hadoop.fs.audit.CommonAuditContext
移除一个全局条目。
removeGroup(String) - Method in class org.apache.hadoop.security.authorize.AccessControlList
从允许使用此服务的组名中移除组。
RemoveScheme - Interface in org.apache.hadoop.util.bloom
定义用于修饰布隆过滤器的不同移除方案。
removeSecretKey(Text) - Method in class org.apache.hadoop.security.Credentials
移除给定别名的密钥。
removeService(Service) - Method in class org.apache.hadoop.registry.server.services.AddingCompositeService
 
removeService(Service) - Method in class org.apache.hadoop.service.CompositeService
 
removeShutdownHook(Runnable) - Method in class org.apache.hadoop.util.ShutdownHookManager
移除一个shutdownHook。
removeStoredMasterKey(DelegationKey) - Method in class org.apache.hadoop.security.token.delegation.AbstractDelegationTokenSecretManager
 
removeStoredToken(TokenIdent) - Method in class org.apache.hadoop.security.token.delegation.AbstractDelegationTokenSecretManager
 
removeSuffix(String, String) - Static method in class org.apache.hadoop.io.compress.CompressionCodecFactory
如果文件名有后缀,则移除该后缀。
removeUser(String) - Method in class org.apache.hadoop.security.authorize.AccessControlList
从允许使用此服务的用户名单中移除用户。
removeXAttr(Path, String) - Method in class org.apache.hadoop.fs.AbstractFileSystem
移除文件或目录的扩展属性(xattr)。
removeXAttr(Path, String) - Method in class org.apache.hadoop.fs.FileContext
移除文件或目录的扩展属性。
removeXAttr(Path, String) - Method in class org.apache.hadoop.fs.FileSystem
移除文件或目录的扩展属性(xattr)。
removeXAttr(Path, String) - Method in class org.apache.hadoop.fs.FilterFileSystem
 
removeXAttr(Path, String) - Method in class org.apache.hadoop.fs.viewfs.ViewFileSystem
 
removeXAttr(Path, String) - Method in class org.apache.hadoop.fs.viewfs.ViewFs
 
rename(Path, Path, Options.Rename...) - Method in class org.apache.hadoop.fs.AbstractFileSystem
The specification of this method matches that of FileContext.rename(Path, Path, Options.Rename...) except that Path f must be for this file system.
rename(Path, Path) - Method in class org.apache.hadoop.fs.adl.AdlFileSystem
将路径 src 重命名为路径 dst。
rename(Path, Path, Options.Rename...) - Method in class org.apache.hadoop.fs.adl.AdlFileSystem
Deprecated.
rename(Path, Path) - Method in class org.apache.hadoop.fs.azure.NativeAzureFileSystem
 
rename(Path, Path, TracingContext, String) - Method in class org.apache.hadoop.fs.azurebfs.AzureBlobFileSystemStore
重命名文件或目录。
rename(Path, Path) - Method in class org.apache.hadoop.fs.ChecksumFileSystem
重命名文件/目录
rename(Path, Path, Options.Rename...) - Method in class org.apache.hadoop.fs.FileContext
将路径 src 重命名为路径 dst 如果 src 是文件而 dst 是目录,操作将失败。
rename(Path, Path) - Method in class org.apache.hadoop.fs.FileSystem
将路径 src 重命名为路径 dst。
rename(Path, Path, Options.Rename...) - Method in class org.apache.hadoop.fs.FileSystem
Deprecated.
rename(Path, Path) - Method in class org.apache.hadoop.fs.FilterFileSystem
将路径 src 重命名为路径 dst。
rename(Path, Path, Options.Rename...) - Method in class org.apache.hadoop.fs.FilterFileSystem
 
rename(Path, Path) - Method in class org.apache.hadoop.fs.ftp.FTPFileSystem
 
rename(Path, Path) - Method in class org.apache.hadoop.fs.RawLocalFileSystem
 
rename(Path, Path) - Method in class org.apache.hadoop.fs.s3native.NativeS3FileSystem
Deprecated.
 
rename(Path, Path) - Method in class org.apache.hadoop.fs.viewfs.ViewFileSystem
 
rename(FileSystem, String, String) - Static method in class org.apache.hadoop.io.MapFile
重命名现有的映射目录。
renameInternal(Path, Path) - Method in class org.apache.hadoop.fs.AbstractFileSystem
The specification of this method matches that of FileContext.rename(Path, Path, Options.Rename...) except that Path f must be for this file system and NO OVERWRITE is performed.
renameInternal(Path, Path, boolean) - Method in class org.apache.hadoop.fs.AbstractFileSystem
The specification of this method matches that of FileContext.rename(Path, Path, Options.Rename...) except that Path f must be for this file system.
renameInternal(Path, Path, boolean) - Method in class org.apache.hadoop.fs.viewfs.ViewFs
 
renameInternal(Path, Path) - Method in class org.apache.hadoop.fs.viewfs.ViewFs
 
renameSnapshot(Path, String, String) - Method in class org.apache.hadoop.fs.AbstractFileSystem
The specification of this method matches that of FileContext.renameSnapshot(Path, String, String).
renameSnapshot(Path, String, String) - Method in class org.apache.hadoop.fs.FileContext
重命名快照。
renameSnapshot(Path, String, String) - Method in class org.apache.hadoop.fs.FileSystem
重命名快照。
renameSnapshot(Path, String, String) - Method in class org.apache.hadoop.fs.FilterFileSystem
 
renameSnapshot(Path, String, String) - Method in class org.apache.hadoop.fs.viewfs.ViewFileSystem
 
renameSnapshot(Path, String, String) - Method in class org.apache.hadoop.fs.viewfs.ViewFs
 
renderAggregatedLogsBlock(HtmlBlock.Block, View.ViewContext) - Method in class org.apache.hadoop.yarn.logaggregation.filecontroller.LogAggregationFileController
渲染聚合日志块。
renew(Configuration) - Method in class org.apache.hadoop.security.token.Token
续订此委托令牌。
renew(Token, Configuration) - Method in class org.apache.hadoop.security.token.Token.TrivialRenewer
 
renew(Token, Configuration) - Method in class org.apache.hadoop.security.token.TokenRenewer
续订给定的令牌。
RENEW_DELEGATION_TOKEN_JSON - Static variable in class org.apache.hadoop.security.token.delegation.web.DelegationTokenAuthenticator
 
RENEW_LEASE_ACTION - Static variable in class org.apache.hadoop.fs.azurebfs.constants.AbfsHttpConstants
 
renewDelegationToken(Token) - Method in class org.apache.hadoop.mapred.JobClient
renewDelegationToken(Token) - Method in class org.apache.hadoop.mapreduce.集群
renewDelegationToken(URL, DelegationTokenAuthenticatedURL.Token) - Method in class org.apache.hadoop.security.token.delegation.web.DelegationTokenAuthenticatedURL
Renews a delegation token from the server end-point using the configured Authenticator for authentication.
renewDelegationToken(URL, DelegationTokenAuthenticatedURL.Token, String) - Method in class org.apache.hadoop.security.token.delegation.web.DelegationTokenAuthenticatedURL
Renews a delegation token from the server end-point using the configured Authenticator for authentication.
renewDelegationToken(URL, AuthenticatedURL.Token, Token) - Method in class org.apache.hadoop.security.token.delegation.web.DelegationTokenAuthenticator
Renews a delegation token from the server end-point using the configured Authenticator for authentication.
renewDelegationToken(URL, AuthenticatedURL.Token, Token, String) - Method in class org.apache.hadoop.security.token.delegation.web.DelegationTokenAuthenticator
Renews a delegation token from the server end-point using the configured Authenticator for authentication.
renewDelegationToken(Token) - Method in class org.apache.hadoop.yarn.client.api.TimelineClient
续订时间线委托令牌。
RenewDelegationTokenRequest - Interface in org.apache.hadoop.mapreduce.v2.api.protocolrecords
The request issued by the client to renew a delegation token from the ResourceManager.
RenewDelegationTokenResponse - Interface in org.apache.hadoop.mapreduce.v2.api.protocolrecords
The response to a renewDelegationToken call to the ResourceManager.
RENEWER_PARAM - Static variable in class org.apache.hadoop.security.token.delegation.web.DelegationTokenAuthenticator
 
renewToken(Token, String) - Method in class org.apache.hadoop.security.token.delegation.AbstractDelegationTokenSecretManager
续订委托令牌。
replaceFile(File, File) - Static method in class org.apache.hadoop.fs.FileUtil
将源文件移动到目标指定的名称。
replay(X) - Method in class org.apache.hadoop.mapreduce.lib.join.ArrayListBackedIterator
 
replay(T) - Method in interface org.apache.hadoop.mapreduce.lib.join.ResetableIterator
将最后返回的值赋给实际值。
replay(X) - Method in class org.apache.hadoop.mapreduce.lib.join.StreamBackedIterator
 
ReplicaAccessor - Class in org.apache.hadoop.hdfs
ReplicaAccessor对象的公共API。
ReplicaAccessor() - Constructor for class org.apache.hadoop.hdfs.ReplicaAccessor
 
ReplicaAccessorBuilder - Class in org.apache.hadoop.hdfs
创建新ReplicaAccessor的公共API。
ReplicaAccessorBuilder() - Constructor for class org.apache.hadoop.hdfs.ReplicaAccessorBuilder
 
ReplicatedBlockStats - Class in org.apache.hadoop.hdfs.protocol
Get statistics pertaining to blocks of type BlockType.CONTIGUOUS in the filesystem.
ReplicatedBlockStats(long, long, long, long, long, long) - Constructor for class org.apache.hadoop.hdfs.protocol.ReplicatedBlockStats
 
ReplicatedBlockStats(long, long, long, long, long, long, Long) - Constructor for class org.apache.hadoop.hdfs.protocol.ReplicatedBlockStats
 
replication(short) - Method in class org.apache.hadoop.fs.FSDataOutputStreamBuilder
设置复制因子。
replication(short) - Method in class org.apache.hadoop.fs.impl.MultipartUploaderBuilderImpl
设置复制因子。
REPLICATION - Static variable in class org.apache.hadoop.hdfs.server.namenode.FixedBlockMultiReplicaResolver
 
reportChecksumFailure(Path, FSDataInputStream, long, FSDataInputStream, long) - Method in class org.apache.hadoop.fs.ChecksumFileSystem
向文件系统报告校验和错误。
reportChecksumFailure(Path, FSDataInputStream, long, FSDataInputStream, long) - Method in class org.apache.hadoop.fs.LocalFileSystem
将文件移动到同一设备上的坏文件目录,这样它们的存储空间就不会被重复使用。
reporter - Variable in class org.apache.hadoop.mapred.lib.CombineFileRecordReader
 
报告器 - Interface in org.apache.hadoop.mapred
一个供Map-Reduce应用程序报告进度、更新计数器和状态信息等的设施。
REQUEST_TIMEOUT - Static variable in class org.apache.hadoop.fs.s3a.常量
How long should the SDK retry/wait on a response from an S3 store: "fs.s3a.connection.request.timeout" including the time needed to sign the request.
requestContainerResourceChange(Container, Resource) - Method in class org.apache.hadoop.yarn.client.api.AMRMClient
requestContainerResourceChange(Container, Resource) - Method in class org.apache.hadoop.yarn.client.api.async.AMRMClientAsync
requestContainerUpdate(Container, UpdateContainerRequest) - Method in class org.apache.hadoop.yarn.client.api.AMRMClient
Request a container update before calling allocate.
requestContainerUpdate(Container, UpdateContainerRequest) - Method in class org.apache.hadoop.yarn.client.api.async.AMRMClientAsync
Request a container update before calling allocate.
REQUESTER_GROUP - Static variable in class org.apache.hadoop.fs.s3a.audit.S3LogParser
记录组"requester"。
requestId() - Method in exception org.apache.hadoop.fs.s3a.AWSServiceIOException
 
REQUESTID_GROUP - Static variable in class org.apache.hadoop.fs.s3a.audit.S3LogParser
记录组 "requestid"。
REQUESTURI_GROUP - Static variable in class org.apache.hadoop.fs.s3a.audit.S3LogParser
记录"requesturi"日志组。
requireAddressType(String, Endpoint) - Static method in class org.apache.hadoop.registry.client.binding.RegistryTypeUtils
在端点上要求特定的地址类型
requiredSerializationClasses() - Static method in class org.apache.hadoop.fs.statistics.IOStatisticsSnapshot
反序列化这个类需要哪些类? 需要从不信任的来源安全地解组此类。
requiresDelayedCommitOutputInFileSystem() - Method in class org.apache.hadoop.fs.s3a.commit.magic.MagicS3GuardCommitter
在FS客户端中要求使用魔法路径。
ReservationACL - Enum in org.apache.hadoop.yarn.api.records
ReservationACL enumerates the various ACLs for reservations.
ReservationAllocationState - Class in org.apache.hadoop.yarn.api.records
ReservationAllocationState represents the reservation that is made by a user.
ReservationAllocationState() - Constructor for class org.apache.hadoop.yarn.api.records.ReservationAllocationState
 
ReservationDefinition - Class in org.apache.hadoop.yarn.api.records
ReservationDefinition captures the set of resource and time constraints the user cares about regarding a reservation.
ReservationDefinition() - Constructor for class org.apache.hadoop.yarn.api.records.ReservationDefinition
 
ReservationDeleteRequest - Class in org.apache.hadoop.yarn.api.protocolrecords
ReservationDeleteRequest captures the set of requirements the user has to delete an existing reservation.
ReservationDeleteRequest() - Constructor for class org.apache.hadoop.yarn.api.protocolrecords.ReservationDeleteRequest
 
ReservationDeleteResponse - Class in org.apache.hadoop.yarn.api.protocolrecords
ReservationDeleteResponse contains the answer of the admission control system in the ResourceManager to a reservation delete operation.
ReservationDeleteResponse() - Constructor for class org.apache.hadoop.yarn.api.protocolrecords.ReservationDeleteResponse
 
ReservationId - Class in org.apache.hadoop.yarn.api.records
ReservationId represents the globally unique identifier for a reservation.
ReservationId() - Constructor for class org.apache.hadoop.yarn.api.records.ReservationId
 
ReservationListRequest - Class in org.apache.hadoop.yarn.api.protocolrecords
ReservationListRequest captures the set of requirements the user has to list reservations.
ReservationListRequest() - Constructor for class org.apache.hadoop.yarn.api.protocolrecords.ReservationListRequest
 
ReservationListResponse - Class in org.apache.hadoop.yarn.api.protocolrecords
ReservationListResponse captures the list of reservations that the user has queried.
ReservationListResponse() - Constructor for class org.apache.hadoop.yarn.api.protocolrecords.ReservationListResponse
 
ReservationRequest - Class in org.apache.hadoop.yarn.api.records
ReservationRequest represents the request made by an application to the ResourceManager to reserve Resources.
ReservationRequest() - Constructor for class org.apache.hadoop.yarn.api.records.ReservationRequest
 
ReservationRequest.ReservationRequestComparator - Class in org.apache.hadoop.yarn.api.records
 
ReservationRequestComparator() - Constructor for class org.apache.hadoop.yarn.api.records.ReservationRequest.ReservationRequestComparator
 
ReservationRequestInterpreter - Enum in org.apache.hadoop.yarn.api.records
Enumeration of various types of dependencies among multiple ReservationRequests within one ReservationDefinition (from least constraining to most constraining).
ReservationRequests - Class in org.apache.hadoop.yarn.api.records
ReservationRequests captures the set of resource and constraints the user cares about regarding a reservation.
ReservationRequests() - Constructor for class org.apache.hadoop.yarn.api.records.ReservationRequests
 
ReservationSubmissionRequest - Class in org.apache.hadoop.yarn.api.protocolrecords
ReservationSubmissionRequest captures the set of requirements the user has to create a reservation.
ReservationSubmissionRequest() - Constructor for class org.apache.hadoop.yarn.api.protocolrecords.ReservationSubmissionRequest
 
ReservationSubmissionResponse - Class in org.apache.hadoop.yarn.api.protocolrecords
The response sent by the ResourceManager to a client on reservation submission.
ReservationSubmissionResponse() - Constructor for class org.apache.hadoop.yarn.api.protocolrecords.ReservationSubmissionResponse
 
ReservationUpdateRequest - Class in org.apache.hadoop.yarn.api.protocolrecords
ReservationUpdateRequest captures the set of requirements the user has to update an existing reservation.
ReservationUpdateRequest() - Constructor for class org.apache.hadoop.yarn.api.protocolrecords.ReservationUpdateRequest
 
ReservationUpdateResponse - Class in org.apache.hadoop.yarn.api.protocolrecords
ReservationUpdateResponse contains the answer of the admission control system in the ResourceManager to a reservation update operation.
ReservationUpdateResponse() - Constructor for class org.apache.hadoop.yarn.api.protocolrecords.ReservationUpdateResponse
 
reserveIdStrPrefix - Static variable in class org.apache.hadoop.yarn.api.records.ReservationId
 
reset() - Method in class org.apache.hadoop.fs.audit.CommonAuditContext
重置上下文;将再次设置标准选项。
reset() - Method in enum org.apache.hadoop.fs.GlobalStorageStatistics
重置所有全局存储统计信息。
reset() - Method in class org.apache.hadoop.fs.StorageStatistics
重置所有统计数据。
reset() - Method in interface org.apache.hadoop.io.compress.Compressor
重置压缩器以便处理新的输入数据集。
reset() - Method in interface org.apache.hadoop.io.compress.Decompressor
重置解压缩器及输入输出缓冲区,以便处理新的输入数据集。
reset() - Method in class org.apache.hadoop.io.compress.DecompressorStream
 
reset() - Method in class org.apache.hadoop.mapreduce.lib.aggregate.DoubleValueSum
重置聚合器
reset() - Method in class org.apache.hadoop.mapreduce.lib.aggregate.LongValueMax
重置聚合器
reset() - Method in class org.apache.hadoop.mapreduce.lib.aggregate.LongValueMin
重置聚合器
reset() - Method in class org.apache.hadoop.mapreduce.lib.aggregate.LongValueSum
重置聚合器
reset() - Method in class org.apache.hadoop.mapreduce.lib.aggregate.StringValueMax
重置聚合器
reset() - Method in class org.apache.hadoop.mapreduce.lib.aggregate.StringValueMin
重置聚合器
reset() - Method in class org.apache.hadoop.mapreduce.lib.aggregate.UniqValueCount
重置聚合器
reset() - Method in interface org.apache.hadoop.mapreduce.lib.aggregate.ValueAggregator
重置聚合器
reset() - Method in class org.apache.hadoop.mapreduce.lib.aggregate.ValueHistogram
重置聚合器
reset() - Method in class org.apache.hadoop.mapreduce.lib.join.ArrayListBackedIterator
 
reset() - Method in interface org.apache.hadoop.mapreduce.lib.join.ResetableIterator
将迭代器设置回其范围的起始位置。
reset() - Method in class org.apache.hadoop.mapreduce.lib.join.StreamBackedIterator
 
reset() - Method in class org.apache.hadoop.mapreduce.MarkableIterator
 
reset() - Method in class org.apache.hadoop.record.Buffer
Deprecated.
将缓冲区大小重置为0
reset() - Method in class org.apache.hadoop.security.token.delegation.AbstractDelegationTokenSecretManager
重置所有数据结构和可变状态。
reset() - Method in class org.apache.hadoop.util.PureJavaCrc32
 
reset() - Method in class org.apache.hadoop.util.PureJavaCrc32C
 
ResetableIterator<T extends Writable> - Interface in org.apache.hadoop.mapred.join
这定义了一个有状态迭代器的接口,可以直接重放添加到其中的元素。
ResetableIterator<T extends Writable> - Interface in org.apache.hadoop.mapreduce.lib.join
这定义了一个有状态迭代器的接口,可以直接重放添加到其中的元素。
resetMinMax() - Method in class org.apache.hadoop.metrics2.lib.MutableStat
重置该指标的所有时间最小最大值
resetState() - Method in class org.apache.hadoop.io.compress.BlockDecompressorStream
 
resetState() - Method in class org.apache.hadoop.io.compress.CompressionInputStream
重置解压缩器至初始状态并丢弃所有缓冲数据,因为底层流可能已被重新定位。
resetState() - Method in class org.apache.hadoop.io.compress.CompressionOutputStream
将压缩重置为初始状态。
resetState() - Method in class org.apache.hadoop.io.compress.CompressorStream
 
resetState() - Method in class org.apache.hadoop.io.compress.DecompressorStream
 
resetTimer() - Method in class org.apache.hadoop.yarn.util.AbstractLivelinessMonitor
 
resetUGInfo() - Method in class org.apache.hadoop.hdfs.server.namenode.UGIResolver
 
resolve(Path) - Method in class org.apache.hadoop.fs.FileContext
解析指定路径中的所有符号链接。
resolve(FileStatus) - Method in class org.apache.hadoop.hdfs.server.namenode.BlockResolver
 
resolve(FileStatus) - Method in class org.apache.hadoop.hdfs.server.namenode.UGIResolver
 
resolve(List) - Method in class org.apache.hadoop.net.CachedDNSToSwitchMapping
 
resolve(List) - Method in interface org.apache.hadoop.net.DNSToSwitchMapping
解析一组DNS名称/IP地址,并返回交换信息(网络路径)列表。
resolve(String) - Method in interface org.apache.hadoop.registry.client.api.RegistryOperations
解析指定路径的记录
resolve(String) - Method in class org.apache.hadoop.registry.client.impl.zk.RegistryOperationsService
 
resolve(String) - Static method in enum org.apache.hadoop.yarn.service.api.records.ConfigFormat
获取匹配的格式或返回null
resolveCredentials() - Method in class org.apache.hadoop.fs.s3a.auth.AssumedRoleCredentialProvider
获取凭证。
resolveCredentials() - Method in class org.apache.hadoop.fs.s3a.auth.IAMInstanceCredentialsProvider
请求凭据。
resolveCredentials() - Method in class org.apache.hadoop.fs.s3a.SimpleAWSCredentialsProvider
 
resolveIntermediate(Path) - Method in class org.apache.hadoop.fs.FileContext
解析指定路径中的所有符号链接,直到但不包括最后的路径组成部分。
resolveLink(Path) - Method in class org.apache.hadoop.fs.FileSystem
resolveLink(Path) - Method in class org.apache.hadoop.fs.FilterFileSystem
 
resolvePath(Path) - Method in class org.apache.hadoop.fs.AbstractFileSystem
返回路径f的完全限定路径,解析通过任何内部符号链接或挂载点的路径
resolvePath(Path) - Method in class org.apache.hadoop.fs.FileContext
解析路径时遵循所有符号链接或挂载点
resolvePath(Path) - Method in class org.apache.hadoop.fs.FileSystem
返回路径的完全限定路径,解析通过任何符号链接或挂载点的路径。
resolvePath(Path) - Method in class org.apache.hadoop.fs.FilterFileSystem
 
resolvePath(Path) - Method in class org.apache.hadoop.fs.viewfs.ViewFileSystem
 
resolvePath(Path) - Method in class org.apache.hadoop.fs.viewfs.ViewFs
 
Resource - Class in org.apache.hadoop.yarn.api.records
Resource models a set of computer resources in the cluster.
Resource() - Constructor for class org.apache.hadoop.yarn.api.records.Resource
 
resource(Resource) - Method in class org.apache.hadoop.yarn.service.api.records.组件
该组件的资源(可选)。
resource(Resource) - Method in class org.apache.hadoop.yarn.service.api.records.Container
该容器所使用的资源。
Resource - Class in org.apache.hadoop.yarn.service.api.records
资源决定了容器可使用的资源量(虚拟核心、内存、网络等)。
Resource() - Constructor for class org.apache.hadoop.yarn.service.api.records.Resource
 
resource(Resource) - Method in class org.apache.hadoop.yarn.service.api.records.Service
单组件服务的资源或多组件服务的全局默认设置。
RESOURCE_TYPES - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
RESOURCE_TYPES_CONFIGURATION_FILE - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
ResourceAllocationRequest - Class in org.apache.hadoop.yarn.api.records
ResourceAllocationRequest represents an allocation made for a reservation for the current state of the plan.
ResourceAllocationRequest() - Constructor for class org.apache.hadoop.yarn.api.records.ResourceAllocationRequest
 
resourceBlacklistRequest(ResourceBlacklistRequest) - Method in class org.apache.hadoop.yarn.api.protocolrecords.AllocateRequest.AllocateRequestBuilder
Set the resourceBlacklistRequest of the request.
ResourceBlacklistRequest - Class in org.apache.hadoop.yarn.api.records
ResourceBlacklistRequest encapsulates the list of resource-names which should be added or removed from the blacklist of resources for the application.
ResourceBlacklistRequest() - Constructor for class org.apache.hadoop.yarn.api.records.ResourceBlacklistRequest
 
ResourceCalculatorProcessTree - Class in org.apache.hadoop.yarn.util
用于获取进程资源使用情况的接口类 注意:此类不应由外部用户使用,仅限外部开发人员扩展并包含自己的进程树实现, 特别是针对Linux和Windows以外的平台。
ResourceCalculatorProcessTree(String) - Constructor for class org.apache.hadoop.yarn.util.ResourceCalculatorProcessTree
使用指定的根进程创建进程树实例。
resourceInformations(Map) - Method in class org.apache.hadoop.yarn.service.api.records.Resource
 
ResourceLocalizationRequest - Class in org.apache.hadoop.yarn.api.protocolrecords
ApplicationMaster发送的请求,用于申请本地化资源。
ResourceLocalizationRequest() - Constructor for class org.apache.hadoop.yarn.api.protocolrecords.ResourceLocalizationRequest
 
ResourceLocalizationResponse - Class in org.apache.hadoop.yarn.api.protocolrecords
The response to the ResourceLocalizationRequest
ResourceLocalizationResponse() - Constructor for class org.apache.hadoop.yarn.api.protocolrecords.ResourceLocalizationResponse
 
RESOURCEMANAGER_CONNECT_MAX_WAIT_MS - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
等待与资源管理器建立连接的最长时间
RESOURCEMANAGER_CONNECT_RETRY_INTERVAL_MS - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
每次尝试连接到资源管理器的间隔时间
resourceName(String) - Method in class org.apache.hadoop.yarn.api.records.ResourceRequest.ResourceRequestBuilder
Set the resourceName of the request.
ResourceNotFoundException - Exception in org.apache.hadoop.yarn.exceptions
当请求未知资源类型的详细信息时,会抛出此异常。
ResourceNotFoundException(Resource, String) - Constructor for exception org.apache.hadoop.yarn.exceptions.ResourceNotFoundException
 
ResourceNotFoundException(Resource, String, Throwable) - Constructor for exception org.apache.hadoop.yarn.exceptions.ResourceNotFoundException
 
ResourceNotFoundException(String) - Constructor for exception org.apache.hadoop.yarn.exceptions.ResourceNotFoundException
 
ResourceOption - Class in org.apache.hadoop.yarn.api.records
 
ResourceOption() - Constructor for class org.apache.hadoop.yarn.api.records.ResourceOption
 
ResourceRequest - Class in org.apache.hadoop.yarn.api.records
ResourceRequest represents the request made by an application to the ResourceManager to obtain various Container allocations.
ResourceRequest() - Constructor for class org.apache.hadoop.yarn.api.records.ResourceRequest
 
ResourceRequest.ResourceRequestBuilder - Class in org.apache.hadoop.yarn.api.records
Class to construct instances of ResourceRequest with specific options.
ResourceRequest.ResourceRequestComparator - Class in org.apache.hadoop.yarn.api.records
 
ResourceRequestComparator() - Constructor for class org.apache.hadoop.yarn.api.records.ResourceRequest.ResourceRequestComparator
 
resources - Variable in class org.apache.hadoop.yarn.api.records.Resource
 
ResourceSizing - Class in org.apache.hadoop.yarn.api.records
ResourceSizing contains information for the size of a SchedulingRequest, such as the number of requested allocations and the resources for each allocation.
ResourceSizing() - Constructor for class org.apache.hadoop.yarn.api.records.ResourceSizing
 
resourceSizing(ResourceSizing) - Method in class org.apache.hadoop.yarn.api.records.SchedulingRequest.SchedulingRequestBuilder
Set the executionType of the request.
ResourceUtilization - Class in org.apache.hadoop.yarn.api.records
ResourceUtilization models the utilization of a set of computer resources in the cluster.
ResourceUtilization() - Constructor for class org.apache.hadoop.yarn.api.records.ResourceUtilization
 
responseId(int) - Method in class org.apache.hadoop.yarn.api.protocolrecords.AllocateRequest.AllocateRequestBuilder
Set the responseId of the request.
REST_CSRF - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
restartContainer(ContainerId) - Method in interface org.apache.hadoop.yarn.api.ContainerManagementProtocol
重启容器。
restartContainer(ContainerId) - Method in class org.apache.hadoop.yarn.client.api.NMClient
重启指定的容器。
restartContainerAsync(ContainerId) - Method in class org.apache.hadoop.yarn.client.api.async.NMClientAsync
重启指定的容器。
RestartContainerResponse - Class in org.apache.hadoop.yarn.api.protocolrecords
对重启容器请求的响应。
RestartContainerResponse() - Constructor for class org.apache.hadoop.yarn.api.protocolrecords.RestartContainerResponse
 
restartPolicy(Component.RestartPolicyEnum) - Method in class org.apache.hadoop.yarn.service.api.records.组件
 
RestCsrfPreventionFilter - Class in org.apache.hadoop.security.http
该过滤器为REST API提供针对跨站请求伪造(CSRF)攻击的防护。
RestCsrfPreventionFilter() - Constructor for class org.apache.hadoop.security.http.RestCsrfPreventionFilter
 
restEndpoint(String, URI...) - Static method in class org.apache.hadoop.registry.client.binding.RegistryTypeUtils
从URI列表创建REST端点
resume() - Method in class org.apache.hadoop.mapreduce.lib.jobcontrol.JobControl
恢复被挂起的线程
retentionSize - Variable in class org.apache.hadoop.yarn.logaggregation.filecontroller.LogAggregationFileController
 
RetouchedBloomFilter - Class in org.apache.hadoop.util.bloom
Implements a retouched Bloom filter, as defined in the CoNEXT 2006 paper.
RetouchedBloomFilter() - Constructor for class org.apache.hadoop.util.bloom.RetouchedBloomFilter
默认构造函数 - 与readFields一起使用
RetouchedBloomFilter(int, int, int) - Constructor for class org.apache.hadoop.util.bloom.RetouchedBloomFilter
构造函数
retriableRetrievePassword(T) - Method in class org.apache.hadoop.security.token.SecretManager
The same functionality with SecretManager.retrievePassword(T), except that this method can throw a RetriableException or a StandbyException to indicate that client can retry/failover the same operation because of temporary issue on the server side.
retrieveAddressesUriType(Endpoint) - Static method in class org.apache.hadoop.registry.client.binding.RegistryTypeUtils
获取单个URI端点
retrieveAddressURLs(Endpoint) - Static method in class org.apache.hadoop.registry.client.binding.RegistryTypeUtils
获取地址URL。
retrieveIOStatistics(Object) - Static method in class org.apache.hadoop.fs.statistics.IOStatisticsSupport
Get the IOStatistics of the source, casting it if it is of the relevant type, otherwise, if it implements IOStatisticsSource extracting the value.
retrievePassword(TokenIdent) - Method in class org.apache.hadoop.security.token.delegation.AbstractDelegationTokenSecretManager
 
retrievePassword(T) - Method in class org.apache.hadoop.security.token.SecretManager
获取给定令牌标识符对应的密码。
retrievePassword(ClientToAMTokenIdentifier) - Method in class org.apache.hadoop.yarn.security.client.ClientToAMTokenSecretManager
 
RETRY_FOREVER - Static variable in class org.apache.hadoop.yarn.api.records.ContainerRetryContext
 
RETRY_HTTP_5XX_ERRORS - Static variable in class org.apache.hadoop.fs.s3a.常量
S3A连接器是否应对所有未明确支持的5xx错误进行重试:"fs.s3a.retry.http.5xx.errors"?
RETRY_INTERVAL - Static variable in class org.apache.hadoop.fs.s3a.常量
重试尝试之间的间隔:"fs.s3a.retry.interval"。
RETRY_INTERVAL_DEFAULT - Static variable in class org.apache.hadoop.fs.s3a.常量
默认重试间隔:"500ms"。
RETRY_INVALID - Static variable in class org.apache.hadoop.yarn.api.records.ContainerRetryContext
 
RETRY_LIMIT - Static variable in class org.apache.hadoop.fs.s3a.常量
在失败时重试任何可重复S3客户端请求的次数(不包括限流请求):"fs.s3a.retry.limit"。
RETRY_LIMIT_DEFAULT - Static variable in class org.apache.hadoop.fs.s3a.常量
默认重试限制:7次。
RETRY_THROTTLE_INTERVAL - Static variable in class org.apache.hadoop.fs.s3a.常量
限流请求重试间隔:"fs.s3a.retry.throttle.interval"。
RETRY_THROTTLE_INTERVAL_DEFAULT - Static variable in class org.apache.hadoop.fs.s3a.常量
默认限流重试间隔:"500ms"。
RETRY_THROTTLE_LIMIT - Static variable in class org.apache.hadoop.fs.s3a.常量
重试任何被限流请求的次数:"fs.s3a.retry.throttle.limit"。
RETRY_THROTTLE_LIMIT_DEFAULT - Static variable in class org.apache.hadoop.fs.s3a.常量
默认限流重试次数限制:20。
retryable() - Method in exception org.apache.hadoop.fs.s3a.CredentialInitializationException
如果您尝试再次调用它,此异常不会消失。
RETURN_URI_AS_CANONICAL_SERVICE_NAME_PROPERTY_NAME - Static variable in class org.apache.hadoop.fs.azure.NativeAzureFileSystem
 
returnCompressor(Compressor) - Static method in class org.apache.hadoop.io.compress.CodecPool
Return the Compressor to the pool.
returnDecompressor(Decompressor) - Static method in class org.apache.hadoop.io.compress.CodecPool
Return the Decompressor to the pool.
RIGHT_OFFSET_PROPERTY_NAME - Static variable in class org.apache.hadoop.mapreduce.lib.partition.BinaryPartitioner
 
RM_ACTIVITIES_MANAGER_APP_ACTIVITIES_MAX_QUEUE_LENGTH - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
应用程序活动的最大队列长度。
RM_ACTIVITIES_MANAGER_APP_ACTIVITIES_PREFIX - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
RM_ACTIVITIES_MANAGER_APP_ACTIVITIES_TTL_MS - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
应用程序活动的存活时间(以毫秒为单位)。
RM_ACTIVITIES_MANAGER_CLEANUP_INTERVAL_MS - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
活动清理间隔时间(以毫秒为单位)。
RM_ACTIVITIES_MANAGER_PREFIX - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
活动管理器的设置。
RM_ACTIVITIES_MANAGER_SCHEDULER_ACTIVITIES_PREFIX - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
RM_ACTIVITIES_MANAGER_SCHEDULER_ACTIVITIES_TTL_MS - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
调度器活动的存活时间(以毫秒为单位)。
RM_ADDRESS - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
资源管理器(RM)中应用程序管理器界面的地址。
RM_ADMIN_ADDRESS - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
RM管理界面的地址。
RM_ADMIN_CLIENT_THREAD_COUNT - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
用于处理RM管理接口的线程数量。
RM_AM_EXPIRY_INTERVAL_MS - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
应用程序主节点报告的超时间隔。
RM_AM_MAX_ATTEMPTS - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
应用程序的最大尝试次数,如果用户未设置。
RM_AMLAUNCHER_THREAD_COUNT - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
用于启动/清理AM的线程数。
RM_AMRM_TOKEN_MASTER_KEY_ROLLING_INTERVAL_SECS - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
RM_APPLICATION_HTTPS_POLICY - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
指定资源管理器(RM)在与应用管理器(AM)Web服务器通信时关于HTTPS强制实施的策略,以及证书的生成和提供。
RM_APPLICATION_MASTER_SERVICE_PROCESSORS - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
RM_APPLICATION_MAX_TAG_LENGTH - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
每个应用标签的最大长度。
RM_APPLICATION_MAX_TAGS - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
应用程序标签的最大数量。
RM_APPLICATION_MONITOR_INTERVAL_MS - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
RM_AUTO_UPDATE_CONTAINERS - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
RM_BIND_HOST - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
资源管理器的实际绑定地址。
RM_CLIENT_THREAD_COUNT - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
用于处理应用程序管理器请求的线程数。
RM_CLUSTER_ID - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
RM_CONFIGURATION_FILES - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
RM_CONFIGURATION_PROVIDER_CLASS - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
RM_CONTAINER_ALLOC_EXPIRY_INTERVAL_MS - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
等待多久才会认为容器已死亡。
RM_CONTAINER_TOKEN_MASTER_KEY_ROLLING_INTERVAL_SECS - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
RM_CSRF_CUSTOM_HEADER - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
RM_CSRF_ENABLED - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
RM_CSRF_METHODS_TO_IGNORE - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
RM_CSRF_PREFIX - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
RM_DECOMMISSIONING_NODES_WATCHER_POLL_INTERVAL - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
DecommissioningNodesWatcher内部轮询定时器任务的周期(秒),用于识别和处理缺少定期心跳的DECOMMISSIONING节点。
RM_DELAYED_DELEGATION_TOKEN_REMOVAL_INTERVAL_MS - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
延迟令牌移除线程运行的间隔时间
RM_DELEGATION_KEY_UPDATE_INTERVAL_DEFAULT - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
RM_DELEGATION_KEY_UPDATE_INTERVAL_KEY - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
RM_DELEGATION_TOKEN_ALWAYS_CANCEL - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
RM_DELEGATION_TOKEN_MAX_CONF_SIZE - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
RM_DELEGATION_TOKEN_MAX_LIFETIME_DEFAULT - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
RM_DELEGATION_TOKEN_MAX_LIFETIME_KEY - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
RM_DELEGATION_TOKEN_REMOVE_SCAN_INTERVAL_DEFAULT - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
RM_DELEGATION_TOKEN_REMOVE_SCAN_INTERVAL_KEY - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
RM_DELEGATION_TOKEN_RENEW_INTERVAL_DEFAULT - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
RM_DELEGATION_TOKEN_RENEW_INTERVAL_KEY - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
RM_DELEGATION_TOKEN_RENEWER_THREAD_COUNT - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
委托令牌续订线程计数
RM_DT_RENEWER_THREAD_RETRY_INTERVAL - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
RM_DT_RENEWER_THREAD_RETRY_MAX_ATTEMPTS - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
RM_DT_RENEWER_THREAD_TIMEOUT - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
RM_ENABLE_NODE_UNTRACKED_WITHOUT_INCLUDE_PATH - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
是否启用资源管理器(RM)将不活跃节点标记为未跟踪,并从没有配置包含路径的YARN集群节点列表中移除。
RM_EPOCH - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
RM_EPOCH_RANGE - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
环绕前的纪元范围。
RM_FAIL_FAST - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
RM_HA_ENABLED - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
RM_HA_FC_ELECTOR_ZK_RETRIES_KEY - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
ActiveStandbyElector中ZooKeeper操作的重试次数
RM_HA_ID - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
RM_HA_IDS - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
RM_HA_PREFIX - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
HA相关配置
RM_HISTORY_WRITER_MULTI_THREADED_DISPATCHER_POOL_SIZE - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
写入历史数据的工作线程数量。
RM_HOSTNAME - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
RM_KEYTAB - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
资源管理器的keytab。
RM_LEVELDB_COMPACTION_INTERVAL_SECS - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
leveldb数据库完全压缩之间的时间间隔(以秒为单位)。
RM_LEVELDB_STORE_PATH - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
RM_MAX_COMPLETED_APPLICATIONS - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
RM保留的已完成应用程序的最大数量。
RM_MAX_LOG_AGGREGATION_DIAGNOSTICS_IN_MEMORY - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
RM中可以保存多少条诊断/故障消息用于日志聚合。
RM_METRICS_RUNTIME_BUCKETS - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
每个队列中运行的应用数量的时间桶(以分钟为单位)。
RM_NM_EXPIRY_INTERVAL_MS - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
等待多长时间后将节点管理器视为失效。
RM_NM_HEARTBEAT_INTERVAL_MAX_MS - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
RM_NM_HEARTBEAT_INTERVAL_MIN_MS - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
RM_NM_HEARTBEAT_INTERVAL_MS - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
RM为NM设置下一个心跳间隔
RM_NM_HEARTBEAT_INTERVAL_SCALING_ENABLE - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
根据CPU利用率启用心跳间隔动态调整。
RM_NM_HEARTBEAT_INTERVAL_SLOWDOWN_FACTOR - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
RM_NM_HEARTBEAT_INTERVAL_SPEEDUP_FACTOR - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
RM_NM_REGISTRATION_IP_HOSTNAME_CHECK_KEY - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
在节点管理器注册期间检查IP和主机名解析。
RM_NMTOKEN_MASTER_KEY_ROLLING_INTERVAL_SECS - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
RM_NODE_GRACEFUL_DECOMMISSION_TIMEOUT - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
YARN节点优雅停机的超时时间(秒)。
RM_NODE_IP_CACHE_EXPIRY_INTERVAL_SECS - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
节点IP缓存的过期时间间隔。
RM_NODE_LABELS_PROVIDER_CONFIG - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
RM_NODE_LABELS_PROVIDER_FETCH_INTERVAL_MS - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
RM_NODE_LABELS_PROVIDER_UPDATE_NEWLY_REGISTERED_INTERVAL_MS - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
RM_NODEMANAGER_CONNECT_RETRIES - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
与NM连接的重试次数。
RM_NODEMANAGER_MINIMUM_VERSION - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
RM_NODEMANAGER_UNTRACKED_NODE_SELECTIVE_STATES_TO_REMOVE - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
当非空时,仅当未跟踪节点的状态属于此配置定义的状态之一时,才会删除它们。
RM_NODEMANAGER_UNTRACKED_REMOVAL_TIMEOUT_MSEC - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
未跟踪节点保持在关闭或退役状态的超时时间(毫秒)。
RM_NODES_EXCLUDE_FILE_PATH - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
排除节点文件的路径。
RM_NODES_INCLUDE_FILE_PATH - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
包含节点文件的路径。
RM_PLACEMENT_CONSTRAINTS_ALGORITHM_CLASS - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
放置算法。
RM_PLACEMENT_CONSTRAINTS_ALGORITHM_ITERATOR - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
用于BasicPlacementAlgorithm - 默认SERIAL。
RM_PLACEMENT_CONSTRAINTS_ALGORITHM_POOL_SIZE - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
RM_PLACEMENT_CONSTRAINTS_HANDLER - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
指定将使用哪个处理程序来处理PlacementConstraints。
RM_PLACEMENT_CONSTRAINTS_RETRY_ATTEMPTS - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
RM_PLACEMENT_CONSTRAINTS_SCHEDULER_POOL_SIZE - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
RM_PREFIX - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
RM_PRINCIPAL - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
资源管理器的Kerberos主体。
RM_PROXY_CONNECTION_TIMEOUT - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
RM_PROXY_TIMEOUT_ENABLED - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
RM_PROXY_USER_PREFIX - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
RM代理用户前缀
RM_PROXY_USER_PRIVILEGES_ENABLED - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
RM_PUBLISH_CONTAINER_EVENTS_ENABLED - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
该设置控制RM是否将yarn容器事件发布到时间线服务。
RM_RESERVATION_SYSTEM_CLASS - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
用作预约系统的类。
RM_RESERVATION_SYSTEM_ENABLE - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
资源管理器是否应启用预留系统
RM_RESERVATION_SYSTEM_MAX_PERIODICITY - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
Reservation System的最大周期。
RM_RESERVATION_SYSTEM_PLAN_FOLLOWER - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
Reservation System的PlanFollower。
RM_RESERVATION_SYSTEM_PLAN_FOLLOWER_TIME_STEP - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
Reservation System的步长。
RM_RESOURCE_PROFILES_ENABLED - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
启用/禁用资源配置文件。
RM_RESOURCE_PROFILES_SOURCE_FILE - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
包含资源配置文件的文件。
RM_RESOURCE_TRACKER_ADDRESS - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
RM_RESOURCE_TRACKER_CLIENT_THREAD_COUNT - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
处理资源追踪器调用的线程数量。
RM_SCHEDCONF_LEVELDB_COMPACTION_INTERVAL_SECS - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
RM_SCHEDCONF_MAX_LOGS - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
RM_SCHEDCONF_STORE_PATH - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
RM_SCHEDCONF_STORE_ZK_PARENT_PATH - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
ZKConfigurationStore将在其下创建znodes的父znode路径。
RM_SCHEDULER - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
用作资源调度器的类。
RM_SCHEDULER_ADDRESS - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
调度器接口的地址。
RM_SCHEDULER_CLIENT_THREAD_COUNT - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
处理调度器接口的线程数量。
RM_SCHEDULER_ENABLE_MONITORS - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
启用周期性监控线程。
RM_SCHEDULER_INCLUDE_PORT_IN_NODE_NAME - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
端口是否应包含在节点名称中。
RM_SCHEDULER_MAXIMUM_ALLOCATION_MB - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
RM调度器可授予的最大请求。
RM_SCHEDULER_MAXIMUM_ALLOCATION_VCORES - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
RM_SCHEDULER_MINIMUM_ALLOCATION_MB - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
RM调度器可分配的最小请求量。
RM_SCHEDULER_MINIMUM_ALLOCATION_VCORES - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
RM_SCHEDULER_MONITOR_POLICIES - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
影响调度器的SchedulingEditPolicy类列表。
RM_SCHEDULER_MUTATION_ACL_POLICY_CLASS - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
RM_STATE_STORE_MAX_COMPLETED_APPLICATIONS - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
RM状态存储保留的已完成应用程序的最大数量。
RM_STORE - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
用作持久存储的类。
RM_SUBMISSION_PREPROCESSOR_ENABLED - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
启用提交预处理器。
RM_SUBMISSION_PREPROCESSOR_FILE_PATH - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
提交处理器处理的包含主机列表的文件路径。
RM_SUBMISSION_PREPROCESSOR_REFRESH_INTERVAL_MS - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
提交处理器刷新间隔。
RM_SYSTEM_METRICS_PUBLISHER_DISPATCHER_POOL_SIZE - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
RM_SYSTEM_METRICS_PUBLISHER_ENABLED - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
该设置控制RM是否在时间轴服务器上发布yarn系统指标。
RM_TIMELINE_SERVER_V1_PUBLISHER_BATCH_ENABLED - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
RM_TIMELINE_SERVER_V1_PUBLISHER_DISPATCHER_BATCH_SIZE - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
RM_TIMELINE_SERVER_V1_PUBLISHER_INTERVAL - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
RM_WEBAPP_ADDRESS - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
RM Web应用程序的地址。
RM_WEBAPP_DELEGATION_TOKEN_AUTH_FILTER - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
启用该标志将使用RM认证过滤器覆盖默认的Kerberos认证过滤器,允许通过委托令牌进行认证(若令牌缺失则回退至Kerberos认证)。
RM_WEBAPP_ENABLE_CORS_FILTER - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
启用跨源(CORS)支持。
RM_WEBAPP_HTTPS_ADDRESS - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
RM Web应用程序的HTTPS地址。
RM_WEBAPP_SPNEGO_KEYTAB_FILE_KEY - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
用于RM的spnego过滤器的Kerberos密钥表。
RM_WEBAPP_SPNEGO_USER_NAME_KEY - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
用于RM的spnego过滤器的Kerberos主体。
RM_WEBAPP_UI_ACTIONS_ENABLED - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
启用资源管理器Web应用界面操作
RM_WORK_PRESERVING_RECOVERY_ENABLED - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
RM_WORK_PRESERVING_RECOVERY_SCHEDULING_WAIT_MS - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
RM_XFS_OPTIONS - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
RM_XFS_PREFIX - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
RM_ZK_ACL - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
RM_ZK_ADDRESS - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
RM_ZK_AUTH - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
RM_ZK_CLIENT_SSL_ENABLED - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
启用Zookeeper SSL/TLS通信。
RM_ZK_NUM_RETRIES - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
RM_ZK_PREFIX - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
Zookeeper 交互配置
RM_ZK_RETRY_INTERVAL_MS - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
RM_ZK_TIMEOUT_MS - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
RM_ZK_ZNODE_SIZE_LIMIT_BYTES - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
Zookeeper znode 限制
RMDelegationTokenIdentifier - Class in org.apache.hadoop.yarn.security.client
标识来自资源管理器的委托令牌的委托令牌标识符。
RMDelegationTokenIdentifier() - Constructor for class org.apache.hadoop.yarn.security.client.RMDelegationTokenIdentifier
 
RMDelegationTokenIdentifier(Text, Text, Text) - Constructor for class org.apache.hadoop.yarn.security.client.RMDelegationTokenIdentifier
创建一个新的委托令牌标识符
RMDelegationTokenSelector - Class in org.apache.hadoop.yarn.security.client
 
RMDelegationTokenSelector() - Constructor for class org.apache.hadoop.yarn.security.client.RMDelegationTokenSelector
 
RMProxy<T> - Class in org.apache.hadoop.yarn.client
 
RMProxy() - Constructor for class org.apache.hadoop.yarn.client.RMProxy
 
ROLE_TOKEN_KIND - Static variable in class org.apache.hadoop.fs.s3a.auth.delegation.DelegationConstants
Kind of the role token; value is DelegationConstants.ROLE_TOKEN_NAME.
ROLE_TOKEN_NAME - Static variable in class org.apache.hadoop.fs.s3a.auth.delegation.DelegationConstants
角色令牌名称:"S3ADelegationToken/Role"。
rollbackLastReInitialization(ContainerId) - Method in interface org.apache.hadoop.yarn.api.ContainerManagementProtocol
如果可能,回滚最后一次重新初始化。
rollbackLastReInitialization(ContainerId) - Method in class org.apache.hadoop.yarn.client.api.NMClient
回滚指定容器的最后一次重新初始化。
rollbackLastReInitializationAsync(ContainerId) - Method in class org.apache.hadoop.yarn.client.api.async.NMClientAsync
回滚指定容器的最后一次重新初始化。
RollbackResponse - Class in org.apache.hadoop.yarn.api.protocolrecords
对回滚请求的响应。
RollbackResponse() - Constructor for class org.apache.hadoop.yarn.api.protocolrecords.RollbackResponse
 
RollingFileSystemSink - Class in org.apache.hadoop.metrics2.sink
This class is a metrics sink that uses FileSystem to write the metrics logs.
RollingFileSystemSink() - Constructor for class org.apache.hadoop.metrics2.sink.RollingFileSystemSink
创建一个空实例。
RollingFileSystemSink(long, long) - Constructor for class org.apache.hadoop.metrics2.sink.RollingFileSystemSink
创建一个测试实例。
滚动间隔毫秒数 - Variable in class org.apache.hadoop.metrics2.sink.RollingFileSystemSink
 
rollMasterKey() - Method in class org.apache.hadoop.security.token.delegation.AbstractDelegationTokenSecretManager
更新当前用于生成委托令牌的主密钥 此操作应仅由tokenRemoverThread线程调用。
rollNewVersion(String, byte[]) - Method in class org.apache.hadoop.crypto.key.KeyProvider
为给定密钥滚动一个新版本。
rollNewVersion(String) - Method in class org.apache.hadoop.crypto.key.KeyProvider
为给定密钥生成新版本的材料。
滚动偏移间隔毫秒 - Variable in class org.apache.hadoop.metrics2.sink.RollingFileSystemSink
 
ROOT_PATH - Static variable in class org.apache.hadoop.fs.azurebfs.constants.AbfsHttpConstants
 
ROUTER_APPSINFO_CACHED_COUNT - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
路由器应用信息缓存计数。
ROUTER_APPSINFO_ENABLED - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
路由器启用AppsInfo缓存。
ROUTER_ASC_INTERCEPTOR_MAX_SIZE - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
ApplicationSubmissionContextInterceptor 配置项。
ROUTER_BIND_HOST - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
ROUTER_CLIENTRM_ADDRESS - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
ROUTER_CLIENTRM_INTERCEPTOR_CLASS_PIPELINE - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
ROUTER_CLIENTRM_PARTIAL_RESULTS_ENABLED - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
在FederationClientInterceptor中使用的拦截器类应返回部分ApplicationReports。
ROUTER_CLIENTRM_PREFIX - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
ROUTER_CLIENTRM_SUBMIT_INTERVAL_TIME - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
GetNewApplication和SubmitApplication请求的重试间隔时间。
ROUTER_CLIENTRM_SUBMIT_RETRY - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
The number of retries for GetNewApplication and SubmitApplication in FederationClientInterceptor.
ROUTER_DEREGISTER_SUBCLUSTER_ENABLED - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
启用 DeregisterSubCluster,默认已启用。
ROUTER_INTERCEPTOR_ALLOW_PARTIAL_RESULT_ENABLED - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
路由器拦截器允许部分结果启用。
ROUTER_KERBEROS_PRINCIPAL_HOSTNAME_KEY - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
YARN路由器的Kerberos主体主机名。
ROUTER_KEYTAB - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
YARN路由器的Kerberos密钥表。
ROUTER_PIPELINE_CACHE_MAX_SIZE - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
ROUTER_PREFIX - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
ROUTER_PRINCIPAL - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
YARN路由器的Kerberos主体。
ROUTER_RMADMIN_ADDRESS - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
ROUTER_RMADMIN_INTERCEPTOR_CLASS_PIPELINE - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
ROUTER_RMADMIN_PREFIX - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
ROUTER_SCHEDULED_EXECUTOR_THREADS - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
路由器线程池调度线程数量。
ROUTER_SUBCLUSTER_CLEANER_INTERVAL_TIME - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
Router子集群清理线程的清理间隔时间。
ROUTER_SUBCLUSTER_EXPIRATION_TIME - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
Router允许的子集群超时时间。
ROUTER_USER_CLIENT_THREAD_POOL_ALLOW_CORE_THREAD_TIMEOUT - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
该方法配置了当在保持活动时间内没有任务到达时,关于核心线程终止的策略。
ROUTER_USER_CLIENT_THREAD_POOL_KEEP_ALIVE_TIME - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
此配置项用于设置拦截器线程池的keepAliveTime。
ROUTER_USER_CLIENT_THREAD_POOL_MAXIMUM_POOL_SIZE - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
此配置项用于设置拦截器线程池的最大线程数。
ROUTER_USER_CLIENT_THREAD_POOL_MINIMUM_POOL_SIZE - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
此配置项用于设置拦截器线程池的核心线程数(最小线程数)。
ROUTER_USER_CLIENT_THREADS_SIZE - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
该可配置项用于控制拦截器线程池的大小。
ROUTER_WEBAPP_ADDRESS - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
Router Web应用程序的地址。
ROUTER_WEBAPP_CONNECT_TIMEOUT - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
从Router到RM的连接和读取超时。
ROUTER_WEBAPP_DEFAULT_INTERCEPTOR_CLASS - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
在FederationInterceptorREST中用于与各子集群通信的拦截器类。
ROUTER_WEBAPP_ENABLE_CORS_FILTER - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
启用跨源(CORS)支持。
ROUTER_WEBAPP_HTTPS_ADDRESS - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
Router Web应用程序的HTTPS地址。
ROUTER_WEBAPP_INTERCEPTOR_CLASS_PIPELINE - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
ROUTER_WEBAPP_PARTIAL_RESULTS_ENABLED - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
FederationInterceptorREST中使用的拦截器类应返回部分AppReports。
ROUTER_WEBAPP_PREFIX - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
ROUTER_WEBAPP_PROXY_ENABLE - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
ROUTER_WEBAPP_READ_TIMEOUT - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
rpcDetailedMetrics - Variable in class org.apache.hadoop.ipc.Server
 
rpcMetrics - Variable in class org.apache.hadoop.ipc.Server
 
rrConstructor - Variable in class org.apache.hadoop.mapred.lib.CombineFileRecordReader
 
rrConstructor - Variable in class org.apache.hadoop.mapreduce.lib.input.CombineFileRecordReader
 
rrCstrMap - Static variable in class org.apache.hadoop.mapred.join.Parser.Node
 
rrCstrMap - Static variable in class org.apache.hadoop.mapreduce.lib.join.Parser.Node
 
run(String[]) - Method in class org.apache.hadoop.fs.azure.WasbFsck
 
run(String[]) - Method in class org.apache.hadoop.hdfs.server.namenode.FileSystemImage
 
run(RecordReader, OutputCollector, Reporter) - Method in class org.apache.hadoop.mapred.lib.MultithreadedMapRunner
 
run(RecordReader, OutputCollector, Reporter) - Method in interface org.apache.hadoop.mapred.MapRunnable
Start mapping input <key, value> pairs.
run(RecordReader, OutputCollector, Reporter) - Method in class org.apache.hadoop.mapred.MapRunner
 
run(String[]) - Method in class org.apache.hadoop.mapred.pipes.Submitter
 
run(Mapper.Context) - Method in class org.apache.hadoop.mapreduce.lib.chain.ChainMapper
 
run(Reducer.Context) - Method in class org.apache.hadoop.mapreduce.lib.chain.ChainReducer
 
run() - Method in class org.apache.hadoop.mapreduce.lib.jobcontrol.JobControl
线程的主循环。
run(Mapper.Context) - Method in class org.apache.hadoop.mapreduce.lib.map.MultithreadedMapper
使用线程池运行应用程序的映射任务。
run(String[]) - Method in class org.apache.hadoop.mapreduce.lib.partition.InputSampler
用于从命令行驱动InputSampler的驱动程序。
run(Mapper.Context) - Method in class org.apache.hadoop.mapreduce.Mapper
高级用户可以重写此方法,以更全面地控制Mapper的执行。
run(Reducer.Context) - Method in class org.apache.hadoop.mapreduce.Reducer
Advanced application writers can use the Reducer.run(org.apache.hadoop.mapreduce.Reducer.Context) method to control how the reduce task works.
run(String[]) - Method in class org.apache.hadoop.mapreduce.tools.CLI
 
run(String[]) - Method in class org.apache.hadoop.tools.DistCp
Tool::run()方法的实现。
run() - Method in class org.apache.hadoop.tools.dynamometer.ApplicationMaster
应用程序主节点的主要运行函数。
run(String[]) - Method in class org.apache.hadoop.tools.dynamometer.Client
 
run() - Method in class org.apache.hadoop.tools.dynamometer.Client
客户端的主要运行函数。
run() - Method in class org.apache.hadoop.util.Shell
检查是否需要执行命令,并在需要时执行。
run(String[]) - Method in interface org.apache.hadoop.util.Tool
使用给定的参数执行命令。
run(Configuration, Tool, String[]) - Static method in class org.apache.hadoop.util.ToolRunner
Runs the given Tool by Tool.run(String[]), after parsing with the given generic arguments.
run(Tool, String[]) - Static method in class org.apache.hadoop.util.ToolRunner
Runs the Tool with its Configuration.
run() - Method in class org.apache.hadoop.yarn.applications.distributedshell.ApplicationMaster
应用程序主节点的主要运行函数
run() - Method in class org.apache.hadoop.yarn.applications.distributedshell.Client
客户端的主要运行函数
run(String[]) - Method in class org.apache.hadoop.yarn.client.cli.LogsCLI
 
run(String[]) - Method in class org.apache.hadoop.yarn.client.cli.SchedConfCLI
 
RUNC_CONTAINER_RUNTIME_PREFIX - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
runJob(JobConf) - Static method in class org.apache.hadoop.mapred.JobClient
提交作业并轮询进度直至作业完成的实用工具。
runJob(JobConf) - Static method in class org.apache.hadoop.mapred.pipes.Submitter
向map/reduce集群提交一个作业。
RUNNING - Static variable in class org.apache.hadoop.mapred.jobcontrol.Job
 
RUNNING - Static variable in class org.apache.hadoop.mapred.JobStatus
 
running - Variable in class org.apache.hadoop.security.token.delegation.AbstractDelegationTokenSecretManager
 
RunningJob - Interface in org.apache.hadoop.mapred
RunningJob is the user-interface to query for details on a running Map-Reduce job.
runPrivilegedContainer(Boolean) - Method in class org.apache.hadoop.yarn.service.api.records.组件
以特权模式运行该组件的所有容器 (YARN-4262)。

S

S3_CLIENT_FACTORY_IMPL - Static variable in class org.apache.hadoop.fs.s3a.常量
S3客户端工厂实现类:"fs.s3a.s3.client.factory.impl"。
S3_ENCRYPTION_ALGORITHM - Static variable in class org.apache.hadoop.fs.s3a.常量
设置S3服务器端加密(SSE)或S3客户端加密(CSE)算法。
S3_ENCRYPTION_KEY - Static variable in class org.apache.hadoop.fs.s3a.常量
如果需要,设置S3-SSE或S3-CSE加密密钥。
S3_METADATA_STORE_IMPL - Static variable in class org.apache.hadoop.fs.s3a.常量
Deprecated.
S3_SELECT_CAPABILITY - Static variable in class org.apache.hadoop.fs.s3a.select.SelectConstants
Deprecated.
文件系统是否支持S3选择功能? 目前所有环境均不支持此功能。
S3A - Class in org.apache.hadoop.fs.s3a
AbstractFileSystem的S3A实现。
S3A(URI, Configuration) - Constructor for class org.apache.hadoop.fs.s3a.S3A
 
S3A_BUCKET_PROBE - Static variable in class org.apache.hadoop.fs.s3a.常量
可由客户端设置的存储桶验证参数。
S3A_BUCKET_PROBE_DEFAULT - Static variable in class org.apache.hadoop.fs.s3a.常量
桶验证参数的默认值。
S3A_COMMITTER_EXPERIMENTAL_COLLECT_IOSTATISTICS - Static variable in class org.apache.hadoop.fs.s3a.commit.CommitConstants
收集线程级IO统计数据的实验性功能。
S3A_COMMITTER_EXPERIMENTAL_COLLECT_IOSTATISTICS_DEFAULT - Static variable in class org.apache.hadoop.fs.s3a.commit.CommitConstants
S3A_COMMITTER_FACTORY - Static variable in class org.apache.hadoop.fs.s3a.commit.CommitConstants
S3提交器工厂: "org.apache.hadoop.fs.s3a.commit.S3ACommitterFactory".
S3A_COMMITTER_FACTORY_KEY - Static variable in class org.apache.hadoop.fs.s3a.commit.CommitConstants
设置S3A模式使用特定提交器的密钥。
S3A_DEFAULT_PORT - Static variable in class org.apache.hadoop.fs.s3a.常量
默认端口为443:HTTPS。
S3A_IO_RATE_LIMIT - Static variable in class org.apache.hadoop.fs.s3a.常量
设置S3A IO操作速率限制的配置。
S3A_SECURITY_CREDENTIAL_PROVIDER_PATH - Static variable in class org.apache.hadoop.fs.s3a.常量
Extra set of security credentials which will be prepended to that set in "hadoop.security.credential.provider.path".
S3EXPRESS_CREATE_SESSION - Static variable in class org.apache.hadoop.fs.s3a.常量
使用S3 Express的createSession()操作来与S3Express存储进行身份验证?
S3EXPRESS_CREATE_SESSION_DEFAULT - Static variable in class org.apache.hadoop.fs.s3a.常量
S3GUARD_CLI_PRUNE_AGE - Static variable in class org.apache.hadoop.fs.s3a.常量
Deprecated.
S3GUARD_CONSISTENCY_RETRY_INTERVAL - Static variable in class org.apache.hadoop.fs.s3a.常量
Deprecated.
S3GUARD_CONSISTENCY_RETRY_INTERVAL_DEFAULT - Static variable in class org.apache.hadoop.fs.s3a.常量
Deprecated.
S3GUARD_CONSISTENCY_RETRY_LIMIT - Static variable in class org.apache.hadoop.fs.s3a.常量
Deprecated.
S3GUARD_CONSISTENCY_RETRY_LIMIT_DEFAULT - Static variable in class org.apache.hadoop.fs.s3a.常量
Deprecated.
S3GUARD_DDB_BACKGROUND_SLEEP_MSEC_DEFAULT - Static variable in class org.apache.hadoop.fs.s3a.常量
Deprecated.
S3GUARD_DDB_BACKGROUND_SLEEP_MSEC_KEY - Static variable in class org.apache.hadoop.fs.s3a.常量
Deprecated.
S3GUARD_DDB_BATCH_WRITE_REQUEST_LIMIT - Static variable in class org.apache.hadoop.fs.s3a.常量
Deprecated.
S3GUARD_DDB_MAX_RETRIES - Static variable in class org.apache.hadoop.fs.s3a.常量
Deprecated.
S3GUARD_DDB_MAX_RETRIES_DEFAULT - Static variable in class org.apache.hadoop.fs.s3a.常量
Deprecated.
S3GUARD_DDB_REGION_KEY - Static variable in class org.apache.hadoop.fs.s3a.常量
Deprecated.
S3GUARD_DDB_TABLE_CAPACITY_READ_DEFAULT - Static variable in class org.apache.hadoop.fs.s3a.常量
Deprecated.
S3GUARD_DDB_TABLE_CAPACITY_READ_KEY - Static variable in class org.apache.hadoop.fs.s3a.常量
Deprecated.
S3GUARD_DDB_TABLE_CAPACITY_WRITE_DEFAULT - Static variable in class org.apache.hadoop.fs.s3a.常量
Deprecated.
S3GUARD_DDB_TABLE_CAPACITY_WRITE_KEY - Static variable in class org.apache.hadoop.fs.s3a.常量
Deprecated.
S3GUARD_DDB_TABLE_CREATE_KEY - Static variable in class org.apache.hadoop.fs.s3a.常量
Deprecated.
S3GUARD_DDB_TABLE_NAME_KEY - Static variable in class org.apache.hadoop.fs.s3a.常量
Deprecated.
S3GUARD_DDB_TABLE_SSE_CMK - Static variable in class org.apache.hadoop.fs.s3a.常量
Deprecated.
S3GUARD_DDB_TABLE_SSE_ENABLED - Static variable in class org.apache.hadoop.fs.s3a.常量
Deprecated.
S3GUARD_DDB_TABLE_TAG - Static variable in class org.apache.hadoop.fs.s3a.常量
Deprecated.
S3GUARD_DDB_THROTTLE_RETRY_INTERVAL - Static variable in class org.apache.hadoop.fs.s3a.常量
Deprecated.
S3GUARD_DDB_THROTTLE_RETRY_INTERVAL_DEFAULT - Static variable in class org.apache.hadoop.fs.s3a.常量
Deprecated.
S3GUARD_DISABLED_WARN_LEVEL - Static variable in class org.apache.hadoop.fs.s3a.常量
Deprecated.
S3GUARD_METASTORE_DYNAMO - Static variable in class org.apache.hadoop.fs.s3a.常量
Deprecated.
S3GUARD_METASTORE_LOCAL - Static variable in class org.apache.hadoop.fs.s3a.常量
Deprecated.
S3GUARD_METASTORE_LOCAL_ENTRY_TTL - Static variable in class org.apache.hadoop.fs.s3a.常量
Deprecated.
S3GUARD_METASTORE_LOCAL_MAX_RECORDS - Static variable in class org.apache.hadoop.fs.s3a.常量
Deprecated.
S3GUARD_METASTORE_NULL - Static variable in class org.apache.hadoop.fs.s3a.常量
Deprecated.
S3LogParser - Class in org.apache.hadoop.fs.s3a.audit
用于帮助解析AWS S3日志的类。
S3N_FOLDER_SUFFIX - Static variable in class org.apache.hadoop.fs.s3a.常量
 
satisfyStoragePolicy(Path) - Method in class org.apache.hadoop.fs.AbstractFileSystem
设置源路径以满足存储策略。
satisfyStoragePolicy(Path) - Method in class org.apache.hadoop.fs.FileContext
设置源路径以满足存储策略。
satisfyStoragePolicy(Path) - Method in class org.apache.hadoop.fs.FileSystem
设置源路径以满足存储策略。
satisfyStoragePolicy(Path) - Method in class org.apache.hadoop.fs.FilterFileSystem
 
satisfyStoragePolicy(Path) - Method in class org.apache.hadoop.fs.viewfs.ViewFileSystem
 
satisfyStoragePolicy(Path) - Method in class org.apache.hadoop.fs.viewfs.ViewFs
 
satisfyStoragePolicy(Path) - Method in class org.apache.hadoop.hdfs.client.HdfsAdmin
将源路径设置为指定的存储策略。
save(FileSystem, Path, boolean) - Method in class org.apache.hadoop.mapreduce.lib.output.committer.manifest.files.ManifestSuccessData
 
scanDirectory(Path, FileContext, PathFilter) - Static method in class org.apache.hadoop.mapreduce.v2.hs.HistoryFileManager
 
scanDirectoryForHistoryFiles(Path, FileContext) - Method in class org.apache.hadoop.mapreduce.v2.hs.HistoryFileManager
 
SchedConfCLI - Class in org.apache.hadoop.yarn.client.cli
用于修改调度器配置的命令行界面。
SchedConfCLI() - Constructor for class org.apache.hadoop.yarn.client.cli.SchedConfCLI
 
SCHEDULER_CONFIGURATION_FS_MAX_VERSION - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
SCHEDULER_CONFIGURATION_FS_PATH - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
SCHEDULER_CONFIGURATION_STORE_CLASS - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
SCHEDULER_RM_PLACEMENT_CONSTRAINTS_HANDLER - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
使用此处理器,带有约束的容器将由主调度器进行放置。
SCHEDULER_SKIP_NODE_MULTIPLIER - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
节点将被跳过调度的连续心跳丢失次数。
SchedulerSecurityInfo - Class in org.apache.hadoop.yarn.security
 
SchedulerSecurityInfo() - Constructor for class org.apache.hadoop.yarn.security.SchedulerSecurityInfo
 
SchedulingRequest - Class in org.apache.hadoop.yarn.api.records
SchedulingRequest represents a request made by an application to the ResourceManager to obtain an allocation.
SchedulingRequest() - Constructor for class org.apache.hadoop.yarn.api.records.SchedulingRequest
 
SchedulingRequest.SchedulingRequestBuilder - Class in org.apache.hadoop.yarn.api.records
Class to construct instances of SchedulingRequest with specific options.
schedulingRequests(List) - Method in class org.apache.hadoop.yarn.api.protocolrecords.AllocateRequest.AllocateRequestBuilder
Set the schedulingRequests of the request.
SCHEME - Static variable in class org.apache.hadoop.fs.adl.AdlFileSystem
 
SCHEME - Static variable in class org.apache.hadoop.fs.SWebHdfs
 
SCHEME - Static variable in class org.apache.hadoop.fs.WebHdfs
 
SCM_ADMIN_ADDRESS - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
SCM管理界面的地址。
SCM_ADMIN_CLIENT_THREAD_COUNT - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
用于处理SCM管理接口的线程数量。
SCM_APP_CHECKER_CLASS - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
SCM_CLEANER_INITIAL_DELAY_MINS - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
在调度第一个清理任务之前的初始延迟。
SCM_CLEANER_PERIOD_MINS - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
清理任务运行的频率。
SCM_CLEANER_RESOURCE_SLEEP_MS - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
处理每个共享缓存资源之间的休眠时间。
SCM_CLIENT_SERVER_ADDRESS - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
SCM中客户端接口的地址。
SCM_CLIENT_SERVER_THREAD_COUNT - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
用于处理共享缓存管理器请求的线程数。
SCM_STORE_CLASS - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
SCM_STORE_PREFIX - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
SCM_UPLOADER_SERVER_ADDRESS - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
SCM中节点管理器接口的地址。
SCM_UPLOADER_SERVER_THREAD_COUNT - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
用于处理来自节点管理器的通知请求的SCM线程数量。
SCM_WEBAPP_ADDRESS - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
SCM Web应用程序的地址。
scope(PlacementScope) - Method in class org.apache.hadoop.yarn.service.api.records.PlacementConstraint
放置范围。
SCRIPT_NODE_DESCRIPTOR_PROVIDER - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
SCRIPT_PATH - Static variable in class org.apache.hadoop.yarn.applications.distributedshell.Client
 
ScriptBasedMapping - Class in org.apache.hadoop.net
This class implements the DNSToSwitchMapping interface using a script configured via the CommonConfigurationKeysPublic.NET_TOPOLOGY_SCRIPT_FILE_NAME_KEY option.
ScriptBasedMapping() - Constructor for class org.apache.hadoop.net.ScriptBasedMapping
使用默认配置创建一个实例。
ScriptBasedMapping(DNSToSwitchMapping) - Constructor for class org.apache.hadoop.net.ScriptBasedMapping
根据给定的原始映射创建实例
ScriptBasedMapping(Configuration) - Constructor for class org.apache.hadoop.net.ScriptBasedMapping
根据给定配置创建实例
SECRET_KEY - Static variable in class org.apache.hadoop.fs.s3a.常量
 
SecretManager<T extends TokenIdentifier> - Class in org.apache.hadoop.security.token
每种令牌类型的服务器端密钥管理器。
SecretManager() - Constructor for class org.apache.hadoop.security.token.SecretManager
 
SECURE_CONNECTIONS - Static variable in class org.apache.hadoop.fs.s3a.常量
 
SecurityUtil - Class in org.apache.hadoop.security
安全工具类。
seek(long) - Method in class org.apache.hadoop.fs.AvroFSInput
 
seek(long) - Method in class org.apache.hadoop.fs.FSDataInputStream
定位到指定的偏移量。
seek(long) - Method in class org.apache.hadoop.fs.FSInputStream
从文件起始位置定位到指定的偏移量。
seek(long) - Method in interface org.apache.hadoop.fs.Seekable
从文件起始位置定位到指定的偏移量。
seek(long) - Method in class org.apache.hadoop.io.compress.CompressionInputStream
该方法目前不受支持。
seek(long) - Method in class org.apache.hadoop.mapred.SequenceFileRecordReader
 
SEEK_IN_BUFFER - Static variable in class org.apache.hadoop.fs.statistics.StreamStatisticNames
缓冲区中的寻址次数。
可查找 - Interface in org.apache.hadoop.fs
允许查找的流。
seekToNewSource(long) - Method in class org.apache.hadoop.fs.FSDataInputStream
在数据的备用副本上定位到指定位置。
seekToNewSource(long) - Method in class org.apache.hadoop.fs.FSInputStream
寻找数据的不同副本。
seekToNewSource(long) - Method in class org.apache.hadoop.io.compress.CompressionInputStream
该方法目前不受支持。
SELECT_ERRORS_INCLUDE_SQL - Static variable in class org.apache.hadoop.fs.s3a.select.SelectConstants
Deprecated.
选择错误是否应包含SQL语句? 虽然更便于调试,但如果异常被打印或记录且查询包含敏感信息,则存在安全风险。
SELECT_FORMAT_CSV - Static variable in class org.apache.hadoop.fs.s3a.select.SelectConstants
Deprecated.
CSV作为输入或输出格式:"csv"。
SELECT_FORMAT_JSON - Static variable in class org.apache.hadoop.fs.s3a.select.SelectConstants
Deprecated.
JSON作为输入或输出格式:"json"。
SELECT_INPUT_COMPRESSION - Static variable in class org.apache.hadoop.fs.s3a.select.SelectConstants
Deprecated.
输入是如何压缩的?这适用于所有格式。
SELECT_INPUT_FORMAT - Static variable in class org.apache.hadoop.fs.s3a.select.SelectConstants
Deprecated.
数据的输入格式。
SELECT_OUTPUT_FORMAT - Static variable in class org.apache.hadoop.fs.s3a.select.SelectConstants
Deprecated.
数据的输出格式 - 即生成结果的呈现形式。
SELECT_SQL - Static variable in class org.apache.hadoop.fs.s3a.select.SelectConstants
Deprecated.
这是大型SQL表达式: "fs.s3a.select.sql".
SELECT_UNSUPPORTED - Static variable in class org.apache.hadoop.fs.s3a.select.SelectConstants
Deprecated.
 
SelectConstants - Class in org.apache.hadoop.fs.s3a.select
Deprecated.
selectiveClearing(Key, short) - Method in class org.apache.hadoop.util.bloom.RetouchedBloomFilter
对给定键执行选择性清除。
selectToken(Text, Collection>) - Method in interface org.apache.hadoop.security.token.TokenSelector
 
selectToken(Text, Collection>) - Method in class org.apache.hadoop.yarn.security.AMRMTokenSelector
 
selectToken(Text, Collection>) - Method in class org.apache.hadoop.yarn.security.client.RMDelegationTokenSelector
 
selectToken(Text, Collection>) - Method in class org.apache.hadoop.yarn.security.client.TimelineDelegationTokenSelector
 
selectToken(Text, Collection>) - Method in class org.apache.hadoop.yarn.security.ContainerTokenSelector
 
SEMICOLON - Static variable in class org.apache.hadoop.fs.azurebfs.constants.AbfsHttpConstants
 
sendStopSignal() - Method in class org.apache.hadoop.yarn.applications.distributedshell.Client
 
SEPARATOR - Static variable in class org.apache.hadoop.fs.Path
目录分隔符,斜杠。
SEPARATOR - Static variable in class org.apache.hadoop.mapreduce.ID
 
SEPARATOR - Static variable in class org.apache.hadoop.mapreduce.lib.output.TextOutputFormat
 
SEPARATOR_CHAR - Static variable in class org.apache.hadoop.fs.Path
目录分隔符,即斜杠字符。
SEPERATOR - Static variable in class org.apache.hadoop.mapreduce.lib.output.TextOutputFormat
SEQ_IO_SORT_FACTOR_DEFAULT - Static variable in class org.apache.hadoop.fs.CommonConfigurationKeysPublic
SEQ_IO_SORT_FACTOR_KEY - Static variable in class org.apache.hadoop.fs.CommonConfigurationKeysPublic
 
SEQ_IO_SORT_MB_DEFAULT - Static variable in class org.apache.hadoop.fs.CommonConfigurationKeysPublic
SEQ_IO_SORT_MB_KEY - Static variable in class org.apache.hadoop.fs.CommonConfigurationKeysPublic
 
SequenceFile - Class in org.apache.hadoop.io
SequenceFiles are flat files consisting of binary key/value pairs.
SequenceFileAsBinaryInputFormat - Class in org.apache.hadoop.mapred
InputFormat以二进制(原始)格式从SequenceFiles中读取键和值。
SequenceFileAsBinaryInputFormat() - Constructor for class org.apache.hadoop.mapred.SequenceFileAsBinaryInputFormat
 
SequenceFileAsBinaryInputFormat - Class in org.apache.hadoop.mapreduce.lib.input
InputFormat以二进制(原始)格式从SequenceFiles读取键和值。
SequenceFileAsBinaryInputFormat() - Constructor for class org.apache.hadoop.mapreduce.lib.input.SequenceFileAsBinaryInputFormat
 
SequenceFileAsBinaryOutputFormat - Class in org.apache.hadoop.mapred
An OutputFormat that writes keys, values to SequenceFiles in binary(raw) format
SequenceFileAsBinaryOutputFormat() - Constructor for class org.apache.hadoop.mapred.SequenceFileAsBinaryOutputFormat
 
SequenceFileAsBinaryOutputFormat - Class in org.apache.hadoop.mapreduce.lib.output
An OutputFormat that writes keys, values to SequenceFiles in binary(raw) format
SequenceFileAsBinaryOutputFormat() - Constructor for class org.apache.hadoop.mapreduce.lib.output.SequenceFileAsBinaryOutputFormat
 
SequenceFileAsTextInputFormat - Class in org.apache.hadoop.mapred
这个类与SequenceFileInputFormat类似, 不同之处在于它生成SequenceFileAsTextRecordReader, 通过调用toString()方法将输入的键和值转换为它们的字符串形式。
SequenceFileAsTextInputFormat() - Constructor for class org.apache.hadoop.mapred.SequenceFileAsTextInputFormat
 
SequenceFileAsTextInputFormat - Class in org.apache.hadoop.mapreduce.lib.input
该类与SequenceFileInputFormat类似,不同之处在于它生成的SequenceFileAsTextRecordReader会通过调用toString()方法将输入的键和值转换为字符串形式。
SequenceFileAsTextInputFormat() - Constructor for class org.apache.hadoop.mapreduce.lib.input.SequenceFileAsTextInputFormat
 
SequenceFileAsTextRecordReader - Class in org.apache.hadoop.mapred
该类通过调用toString()方法将输入的键和值转换为它们的字符串形式。
SequenceFileAsTextRecordReader(Configuration, FileSplit) - Constructor for class org.apache.hadoop.mapred.SequenceFileAsTextRecordReader
 
SequenceFileAsTextRecordReader - Class in org.apache.hadoop.mapreduce.lib.input
该类通过调用toString()方法将输入的键和值转换为它们的字符串形式。
SequenceFileAsTextRecordReader() - Constructor for class org.apache.hadoop.mapreduce.lib.input.SequenceFileAsTextRecordReader
 
SequenceFileInputFilter<K,V> - Class in org.apache.hadoop.mapred
一个允许map/reduce作业处理序列文件样本的类。
SequenceFileInputFilter() - Constructor for class org.apache.hadoop.mapred.SequenceFileInputFilter
 
SequenceFileInputFilter<K,V> - Class in org.apache.hadoop.mapreduce.lib.input
一个允许map/reduce作业处理序列文件样本的类。
SequenceFileInputFilter() - Constructor for class org.apache.hadoop.mapreduce.lib.input.SequenceFileInputFilter
 
SequenceFileInputFormat<K,V> - Class in org.apache.hadoop.mapred
SequenceFileInputFormat() - Constructor for class org.apache.hadoop.mapred.SequenceFileInputFormat
 
SequenceFileInputFormat<K,V> - Class in org.apache.hadoop.mapreduce.lib.input
SequenceFileInputFormat() - Constructor for class org.apache.hadoop.mapreduce.lib.input.SequenceFileInputFormat
 
SequenceFileOutputFormat<K,V> - Class in org.apache.hadoop.mapred
An OutputFormat that writes SequenceFiles.
SequenceFileOutputFormat() - Constructor for class org.apache.hadoop.mapred.SequenceFileOutputFormat
 
SequenceFileOutputFormat<K,V> - Class in org.apache.hadoop.mapreduce.lib.output
An OutputFormat that writes SequenceFiles.
SequenceFileOutputFormat() - Constructor for class org.apache.hadoop.mapreduce.lib.output.SequenceFileOutputFormat
 
SequenceFileRecordReader<K,V> - Class in org.apache.hadoop.mapred
SequenceFileRecordReader(Configuration, FileSplit) - Constructor for class org.apache.hadoop.mapred.SequenceFileRecordReader
 
SequenceFileRecordReader<K,V> - Class in org.apache.hadoop.mapreduce.lib.input
SequenceFileRecordReader() - Constructor for class org.apache.hadoop.mapreduce.lib.input.SequenceFileRecordReader
 
serialize(T) - Method in class org.apache.hadoop.hdfs.server.federation.store.driver.impl.StateStoreSerializableImpl
使用序列化器对记录进行序列化。
serialize(Writable, DataOutput) - Method in class org.apache.hadoop.mapred.nativetask.serde.DefaultSerializer
 
serialize(T, DataOutput) - Method in interface org.apache.hadoop.mapred.nativetask.serde.INativeSerializer
 
serialize(RecordOutput, String) - Method in class org.apache.hadoop.record.Record
Deprecated.
使用标签(通常是字段名)序列化记录
serialize(RecordOutput) - Method in class org.apache.hadoop.record.Record
Deprecated.
序列化一条没有标签的记录
serializer() - Static method in class org.apache.hadoop.fs.statistics.IOStatisticsSnapshot
获取该类的JSON序列化器。
serializer() - Static method in class org.apache.hadoop.mapreduce.lib.output.committer.manifest.files.ManifestSuccessData
获取该类的JSON序列化器。
serializeString(T) - Method in class org.apache.hadoop.hdfs.server.federation.store.driver.impl.StateStoreSerializableImpl
使用序列化器对记录进行序列化。
serialVersionUID - Static variable in exception org.apache.hadoop.hdfs.protocol.DSQuotaExceededException
 
serialVersionUID - Static variable in exception org.apache.hadoop.hdfs.protocol.FSLimitException
 
serialVersionUID - Static variable in exception org.apache.hadoop.hdfs.protocol.NSQuotaExceededException
 
serialVersionUID - Static variable in exception org.apache.hadoop.hdfs.protocol.QuotaByStorageTypeExceededException
 
serialVersionUID - Static variable in exception org.apache.hadoop.hdfs.protocol.QuotaExceededException
 
服务器 - Class in org.apache.hadoop.ipc
一个抽象的IPC服务。
Server(String, int, Class, int, Configuration) - Constructor for class org.apache.hadoop.ipc.Server
 
Server(String, int, Class, int, int, int, Configuration, String, SecretManager) - Constructor for class org.apache.hadoop.ipc.Server
 
Server(String, int, Class, int, int, int, Configuration, String, SecretManager, String) - Constructor for class org.apache.hadoop.ipc.Server
构建一个在指定端口和地址上监听的服务器。
SERVER_SIDE_ENCRYPTION_AES256 - Static variable in class org.apache.hadoop.fs.s3a.常量
Deprecated.
SERVER_SIDE_ENCRYPTION_ALGORITHM - Static variable in class org.apache.hadoop.fs.azurebfs.constants.FileSystemConfigurations
 
SERVER_SIDE_ENCRYPTION_ALGORITHM - Static variable in class org.apache.hadoop.fs.s3a.常量
Deprecated.
SERVER_SIDE_ENCRYPTION_KEY - Static variable in class org.apache.hadoop.fs.s3a.常量
Deprecated.
serverErrorEncountered() - Method in class org.apache.hadoop.fs.azure.metrics.AzureFileSystemInstrumentation
表示我们刚刚遇到了一个由服务器引起的错误。
ServerProxy - Class in org.apache.hadoop.yarn.client
 
ServerProxy() - Constructor for class org.apache.hadoop.yarn.client.ServerProxy
 
服务器 - Class in org.apache.hadoop.metrics2.util
用于处理服务器地址的辅助工具
Service - Interface in org.apache.hadoop.service
服务生命周期。
Service - Class in org.apache.hadoop.yarn.service.api.records
一个服务资源具有以下属性。
Service() - Constructor for class org.apache.hadoop.yarn.service.api.records.Service
 
SERVICE_HDFS_DIR - Static variable in interface org.apache.hadoop.yarn.service.api.ServiceApiConstants
 
SERVICE_NAME - Static variable in interface org.apache.hadoop.yarn.service.api.ServiceApiConstants
 
SERVICE_NAME_LC - Static variable in interface org.apache.hadoop.yarn.service.api.ServiceApiConstants
 
SERVICE_PARAM - Static variable in class org.apache.hadoop.security.token.delegation.web.DelegationTokenAuthenticator
 
SERVICE_SHUTDOWN_TIMEOUT - Static variable in class org.apache.hadoop.fs.CommonConfigurationKeysPublic
关机钩子管理器的关机时间配置选项: "hadoop.service.shutdown.timeout".
SERVICE_SHUTDOWN_TIMEOUT_DEFAULT - Static variable in class org.apache.hadoop.fs.CommonConfigurationKeysPublic
默认关闭钩子超时时间:30L秒。
SERVICE_ZK_PATH - Static variable in interface org.apache.hadoop.yarn.service.api.ServiceApiConstants
 
ServiceApiConstants - Interface in org.apache.hadoop.yarn.service.api
该类定义了可在输入规范中用于变量替换的常量
serviceclassPath(String, String) - Static method in class org.apache.hadoop.registry.client.binding.RegistryUtils
创建一个服务类路径
ServiceClient - Class in org.apache.hadoop.yarn.service.client
 
ServiceClient() - Constructor for class org.apache.hadoop.yarn.service.client.ServiceClient
 
ServiceFailedException - Exception in org.apache.hadoop.ha
抛出异常以表示修改服务或应用程序状态的操作失败。
ServiceFailedException(String) - Constructor for exception org.apache.hadoop.ha.ServiceFailedException
 
ServiceFailedException(String, Throwable) - Constructor for exception org.apache.hadoop.ha.ServiceFailedException
 
serviceInit(Configuration) - Method in class org.apache.hadoop.mapreduce.v2.hs.HistoryFileManager
 
serviceInit(Configuration) - Method in class org.apache.hadoop.service.AbstractService
服务所需的所有初始化代码。
serviceInit(Configuration) - Method in class org.apache.hadoop.service.CompositeService
 
serviceInit(Configuration) - Method in class org.apache.hadoop.yarn.client.api.impl.TimelineReaderClientImpl
 
serviceInit(Configuration) - Method in class org.apache.hadoop.yarn.event.AsyncDispatcher
 
serviceInit(Configuration) - Method in class org.apache.hadoop.yarn.service.client.ServiceClient
 
ServiceLaunchException - Exception in org.apache.hadoop.service.launcher
包含退出码的服务启动异常。
ServiceLaunchException(int, Throwable) - Constructor for exception org.apache.hadoop.service.launcher.ServiceLaunchException
使用特定的退出代码创建异常。
ServiceLaunchException(int, String) - Constructor for exception org.apache.hadoop.service.launcher.ServiceLaunchException
使用特定的退出代码和文本创建异常。
ServiceLaunchException(int, String, Object...) - Constructor for exception org.apache.hadoop.service.launcher.ServiceLaunchException
创建一个格式化的异常。
ServiceLaunchException(int, Throwable, String, Object...) - Constructor for exception org.apache.hadoop.service.launcher.ServiceLaunchException
创建一个格式化的异常。
ServiceOperations - Class in org.apache.hadoop.service
该类包含一组用于处理服务的方法,特别是引导它们完成生命周期的操作。
servicePath(String, String, String) - Static method in class org.apache.hadoop.registry.client.binding.RegistryUtils
在用户和服务类下创建服务路径
ServiceRecord - Class in org.apache.hadoop.registry.client.types
单个组件的JSON可序列化描述。
ServiceRecord() - Constructor for class org.apache.hadoop.registry.client.types.ServiceRecord
创建一个没有ID、描述或注册时间的服务记录。
ServiceRecord(ServiceRecord) - Constructor for class org.apache.hadoop.registry.client.types.ServiceRecord
深度克隆构造函数
serviceStart() - Method in class org.apache.hadoop.service.AbstractService
在从INITED状态转换到STARTED状态期间调用的操作。
serviceStart() - Method in class org.apache.hadoop.service.CompositeService
 
serviceStart() - Method in class org.apache.hadoop.yarn.event.AsyncDispatcher
 
serviceStart() - Method in class org.apache.hadoop.yarn.util.AbstractLivelinessMonitor
 
ServiceState - Enum in org.apache.hadoop.yarn.service.api.records
服务的当前状态。
ServiceStateChangeListener - Interface in org.apache.hadoop.service
用于通知服务状态变更的接口。
ServiceStateException - Exception in org.apache.hadoop.service
Exception that can be raised on state change operations, whose exit code can be explicitly set, determined from that of any nested cause, or a default value of LauncherExitCodes.EXIT_SERVICE_LIFECYCLE_EXCEPTION.
ServiceStateException(String) - Constructor for exception org.apache.hadoop.service.ServiceStateException
实例化
ServiceStateException(String, Throwable) - Constructor for exception org.apache.hadoop.service.ServiceStateException
Instantiate with a message and cause; if the cause has an exit code then it is used, otherwise the generic LauncherExitCodes.EXIT_SERVICE_LIFECYCLE_EXCEPTION exit code is used.
ServiceStateException(int, String, Throwable) - Constructor for exception org.apache.hadoop.service.ServiceStateException
实例化,使用指定的退出代码作为异常的退出代码,不考虑任何内部原因提供的退出代码。
ServiceStateException(Throwable) - Constructor for exception org.apache.hadoop.service.ServiceStateException
 
ServiceStateModel - Class in org.apache.hadoop.service
实现服务状态模型。
ServiceStateModel(String) - Constructor for class org.apache.hadoop.service.ServiceStateModel
Create the service state model in the Service.STATE.NOTINITED state.
ServiceStateModel(String, Service.STATE) - Constructor for class org.apache.hadoop.service.ServiceStateModel
在选定状态下创建服务状态模型实例
ServiceStatus - Class in org.apache.hadoop.yarn.service.api.records
已提交服务的当前状态,作为对GET API的响应返回。
ServiceStatus() - Constructor for class org.apache.hadoop.yarn.service.api.records.ServiceStatus
 
serviceStop() - Method in class org.apache.hadoop.mapreduce.v2.hs.HistoryFileManager
 
serviceStop() - Method in class org.apache.hadoop.service.AbstractService
在过渡到STOPPED状态期间调用的操作。
serviceStop() - Method in class org.apache.hadoop.service.CompositeService
 
serviceStop() - Method in class org.apache.hadoop.yarn.event.AsyncDispatcher
 
serviceStop() - Method in class org.apache.hadoop.yarn.service.client.ServiceClient
 
serviceStop() - Method in class org.apache.hadoop.yarn.util.AbstractLivelinessMonitor
 
SESSION_TIMEZONE_KEY - Static variable in class org.apache.hadoop.mapreduce.lib.db.OracleDBRecordReader
设置为时区字符串的配置键。
SESSION_TOKEN - Static variable in class org.apache.hadoop.fs.s3a.常量
使用TemporaryAWSCredentialsProvider时的会话令牌: : "fs.s3a.session.token".
SESSION_TOKEN_KIND - Static variable in class org.apache.hadoop.fs.s3a.auth.delegation.DelegationConstants
Kind of the session token; value is DelegationConstants.SESSION_TOKEN_NAME.
SESSION_TOKEN_NAME - Static variable in class org.apache.hadoop.fs.s3a.auth.delegation.DelegationConstants
会话令牌名称:"S3ADelegationToken/Session"。
set(String, String) - Method in class org.apache.hadoop.conf.配置
Set the value of the name property.
set(String, String, String) - Method in class org.apache.hadoop.conf.配置
Set the value of the name property.
set(MeanStatistic) - Method in class org.apache.hadoop.fs.statistics.MeanStatistic
将统计量设置为另一个的值。
set(Object) - Method in class org.apache.hadoop.io.ArrayPrimitiveWritable
 
set(Writable[]) - Method in class org.apache.hadoop.io.ArrayWritable
 
set(boolean) - Method in class org.apache.hadoop.io.BooleanWritable
设置BooleanWritable的值。
set(BytesWritable) - Method in class org.apache.hadoop.io.BytesWritable
将BytesWritable设置为给定newData的内容。
set(byte[], int, int) - Method in class org.apache.hadoop.io.BytesWritable
将值设置为给定字节范围的副本。
set(byte) - Method in class org.apache.hadoop.io.ByteWritable
设置此ByteWritable的值。
set(double) - Method in class org.apache.hadoop.io.DoubleWritable
 
set(EnumSet, Class) - Method in class org.apache.hadoop.io.EnumSetWritable
reset the EnumSetWritable with specified value and elementType.
set(float) - Method in class org.apache.hadoop.io.FloatWritable
设置这个FloatWritable的值。
set(Writable) - Method in class org.apache.hadoop.io.GenericWritable
设置被包装的实例。
set(int) - Method in class org.apache.hadoop.io.IntWritable
设置这个IntWritable的值。
set(long) - Method in class org.apache.hadoop.io.LongWritable
设置此LongWritable的值。
set(MD5Hash) - Method in class org.apache.hadoop.io.MD5Hash
将另一个实例的内容复制到此实例中。
set(Object) - Method in class org.apache.hadoop.io.ObjectWritable
重置实例。
set(short) - Method in class org.apache.hadoop.io.ShortWritable
设置此ShortWritable的值。
set(String) - Method in class org.apache.hadoop.io.Text
设置为包含字符串的内容。
set(byte[]) - Method in class org.apache.hadoop.io.Text
设置为utf8字节数组。
set(Text) - Method in class org.apache.hadoop.io.Text
复制文本。
set(byte[], int, int) - Method in class org.apache.hadoop.io.Text
将文本设置为字节范围。
set(Writable[][]) - Method in class org.apache.hadoop.io.TwoDArrayWritable
 
set(int) - Method in class org.apache.hadoop.io.VIntWritable
设置这个VIntWritable的值。
set(long) - Method in class org.apache.hadoop.io.VLongWritable
设置此LongWritable的值。
set(int) - Method in class org.apache.hadoop.metrics2.lib.MutableGaugeInt
设置指标的数值
set(long) - Method in class org.apache.hadoop.metrics2.lib.MutableGaugeLong
设置指标的数值
set(byte[]) - Method in class org.apache.hadoop.record.Buffer
Deprecated.
使用指定的字节数组作为底层序列。
set(String, Object) - Method in class org.apache.hadoop.registry.client.types.ServiceRecord
Handle unknown attributes by storing them in the ServiceRecord.attributes map
SET_ACCESS_CONTROL - Static variable in class org.apache.hadoop.fs.azurebfs.constants.AbfsHttpConstants
 
SET_GROUP_COMMAND - Static variable in class org.apache.hadoop.util.Shell
一个用于设置更改用户组列表的Unix命令:"chgrp"。
SET_OWNER_COMMAND - Static variable in class org.apache.hadoop.util.Shell
设置所有者的Unix命令:"chown"。
SET_PERMISSION_COMMAND - Static variable in class org.apache.hadoop.util.Shell
设置权限的Unix命令:"chmod"。
SET_PROPERTIES_ACTION - Static variable in class org.apache.hadoop.fs.azurebfs.constants.AbfsHttpConstants
 
setAbout(String) - Method in class org.apache.hadoop.yarn.api.records.timeline.TimelineAbout
 
setAccountName(String) - Method in class org.apache.hadoop.fs.azure.metrics.AzureFileSystemInstrumentation
设置账户名称以标记所有指标。
setAcl(Path, List) - Method in class org.apache.hadoop.fs.AbstractFileSystem
完全替换文件和目录的ACL,丢弃所有现有条目。
setAcl(Path, List) - Method in class org.apache.hadoop.fs.adl.AdlFileSystem
完全替换文件和目录的ACL,丢弃所有现有条目。
setAcl(Path, List, TracingContext) - Method in class org.apache.hadoop.fs.azurebfs.AzureBlobFileSystemStore
 
setAcl(Path, List) - Method in class org.apache.hadoop.fs.ChecksumFileSystem
 
setAcl(Path, List) - Method in class org.apache.hadoop.fs.FileContext
完全替换文件和目录的ACL,丢弃所有现有条目。
setAcl(Path, List) - Method in class org.apache.hadoop.fs.FileSystem
完全替换文件和目录的ACL,丢弃所有现有条目。
setAcl(Path, List) - Method in class org.apache.hadoop.fs.FilterFileSystem
 
setAcl(Path, List) - Method in class org.apache.hadoop.fs.viewfs.ViewFileSystem
 
setAcl(Path, List) - Method in class org.apache.hadoop.fs.viewfs.ViewFs
 
setAggregatorDescriptors(JobConf, Class[]) - Static method in class org.apache.hadoop.mapred.lib.aggregate.ValueAggregatorJob
 
setAggregatorDescriptors(Class[]) - Static method in class org.apache.hadoop.mapreduce.lib.aggregate.ValueAggregatorJob
 
setAlignmentContext(AlignmentContext) - Method in class org.apache.hadoop.ipc.Server
设置对齐上下文以通过RPC传递状态信息。
setAllocatedContainers(long) - Method in class org.apache.hadoop.yarn.api.records.QueueStatistics
设置分配的容器数量。
setAllocatedMemoryMB(long) - Method in class org.apache.hadoop.yarn.api.records.QueueStatistics
设置分配的内存大小(单位:MB)
setAllocatedResource(Resource) - Method in class org.apache.hadoop.yarn.api.records.ContainerReport
 
setAllocatedVCores(long) - Method in class org.apache.hadoop.yarn.api.records.QueueStatistics
设置分配的虚拟核心数
setAllocationRequestId(long) - Method in class org.apache.hadoop.yarn.api.records.ResourceRequest
Set the optional ID corresponding to this allocation request.
setAllocationRequestId(long) - Method in class org.apache.hadoop.yarn.api.records.SchedulingRequest
 
setAllocationTags(Set) - Method in class org.apache.hadoop.yarn.api.records.SchedulingRequest
 
setAllowNullValueProperties(boolean) - Method in class org.apache.hadoop.conf.配置
在设置过程中允许配置键没有值。
setAllowShortCircuitReads(boolean) - Method in class org.apache.hadoop.hdfs.ReplicaAccessorBuilder
设置是否启用短路读取。
setAMContainerResourceRequest(ResourceRequest) - Method in class org.apache.hadoop.yarn.api.records.ApplicationSubmissionContext
setAMContainerResourceRequests(List) - Method in class org.apache.hadoop.yarn.api.records.ApplicationSubmissionContext
设置AM容器的资源请求。
setAMContainerSpec(ContainerLaunchContext) - Method in class org.apache.hadoop.yarn.api.records.ApplicationSubmissionContext
Set the ContainerLaunchContext to describe the Container with which the ApplicationMaster is launched.
setAmNodeLabelExpression(String) - Method in class org.apache.hadoop.yarn.api.records.ApplicationReport
 
setAppId(ApplicationId) - Method in class org.apache.hadoop.yarn.api.protocolrecords.ReleaseSharedCacheResourceRequest
Set the ApplicationId of the resource to be released.
setAppId(ApplicationId) - Method in class org.apache.hadoop.yarn.api.protocolrecords.UseSharedCacheResourceRequest
Set the ApplicationId of the resource to be used.
setApplicationACLs(Map) - Method in class org.apache.hadoop.yarn.api.records.ContainerLaunchContext
Set the ApplicationACLs for the application.
setApplicationAttemptId(ApplicationAttemptId) - Method in class org.apache.hadoop.yarn.api.protocolrecords.FailApplicationAttemptRequest
 
setApplicationAttemptId(ApplicationAttemptId) - Method in class org.apache.hadoop.yarn.api.protocolrecords.GetApplicationAttemptReportRequest
Set the ApplicationAttemptId of an application attempt
setApplicationAttemptId(ApplicationAttemptId) - Method in class org.apache.hadoop.yarn.api.protocolrecords.GetContainersRequest
Set the ApplicationAttemptId of an application attempt
setApplicationAttemptList(List) - Method in class org.apache.hadoop.yarn.api.protocolrecords.GetApplicationAttemptsResponse
Get a list of ApplicationReport of an application.
setApplicationAttemptReport(ApplicationAttemptReport) - Method in class org.apache.hadoop.yarn.api.protocolrecords.GetApplicationAttemptReportResponse
Get the ApplicationAttemptReport for the application attempt.
setApplicationId(ApplicationId) - Method in class org.apache.hadoop.yarn.api.protocolrecords.GetApplicationAttemptsRequest
Set the ApplicationId of an application
setApplicationId(ApplicationId) - Method in class org.apache.hadoop.yarn.api.protocolrecords.GetApplicationReportRequest
Set the ApplicationId of the application
setApplicationId(ApplicationId) - Method in class org.apache.hadoop.yarn.api.protocolrecords.KillApplicationRequest
 
setApplicationId(ApplicationId) - Method in class org.apache.hadoop.yarn.api.protocolrecords.MoveApplicationAcrossQueuesRequest
Set the ApplicationId of the application to be moved.
setApplicationId(ApplicationId) - Method in class org.apache.hadoop.yarn.api.protocolrecords.UpdateApplicationPriorityRequest
Set the ApplicationId of the application.
setApplicationId(ApplicationId) - Method in class org.apache.hadoop.yarn.api.protocolrecords.UpdateApplicationTimeoutsRequest
Set the ApplicationId of the application.
setApplicationId(ApplicationId) - Method in class org.apache.hadoop.yarn.api.records.ApplicationSubmissionContext
Set the ApplicationId of the submitted application.
setApplicationId(ApplicationId) - Method in class org.apache.hadoop.yarn.api.records.timeline.TimelineEntityGroupId
 
setApplicationId(String) - Method in class org.apache.hadoop.yarn.api.records.timelineservice.SubApplicationEntity
 
setApplicationName(String) - Method in class org.apache.hadoop.yarn.api.records.ApplicationSubmissionContext
Set the application name.
setApplicationPriority(Priority) - Method in class org.apache.hadoop.yarn.api.protocolrecords.UpdateApplicationPriorityRequest
Set the Priority of the application.
setApplicationPriority(Priority) - Method in class org.apache.hadoop.yarn.api.protocolrecords.UpdateApplicationPriorityResponse
Set the Priority of the application.
setApplicationSchedulingPropertiesMap(Map) - Method in class org.apache.hadoop.yarn.api.records.ApplicationSubmissionContext
为应用程序设置调度环境。
setApplicationSubmissionContext(ApplicationSubmissionContext) - Method in class org.apache.hadoop.yarn.api.protocolrecords.SubmitApplicationRequest
Set the ApplicationSubmissionContext for the application.
setApplicationTags(Set) - Method in class org.apache.hadoop.yarn.api.records.ApplicationSubmissionContext
为应用程序设置标签。
setApplicationTimeouts(Map) - Method in class org.apache.hadoop.yarn.api.protocolrecords.UpdateApplicationTimeoutsRequest
Set the ApplicationTimeouts for the application.
setApplicationTimeouts(Map) - Method in class org.apache.hadoop.yarn.api.protocolrecords.UpdateApplicationTimeoutsResponse
Set the ApplicationTimeouts for the application.
setApplicationTimeouts(Map) - Method in class org.apache.hadoop.yarn.api.records.ApplicationSubmissionContext
Set the ApplicationTimeouts for the application in seconds.
setApplicationType(String) - Method in class org.apache.hadoop.yarn.api.records.ApplicationSubmissionContext
设置应用程序类型
setAppNodeLabelExpression(String) - Method in class org.apache.hadoop.yarn.api.records.ApplicationReport
 
setArchiveSharedCacheUploadPolicies(Configuration, Map) - Static method in class org.apache.hadoop.mapreduce.Job
这是为归档文件设置共享缓存上传策略。
setArchiveTimestamps(Configuration, String) - Static method in class org.apache.hadoop.filecache.DistributedCache
Deprecated.
setArrival(long) - Method in class org.apache.hadoop.yarn.api.records.ReservationDefinition
设置到达时间或资源可分配的最早时间。
setArtifact(Artifact) - Method in class org.apache.hadoop.yarn.service.api.records.组件
 
setArtifact(Artifact) - Method in class org.apache.hadoop.yarn.service.api.records.Container
 
setArtifact(Artifact) - Method in class org.apache.hadoop.yarn.service.api.records.ReadinessCheck
 
setArtifact(Artifact) - Method in class org.apache.hadoop.yarn.service.api.records.Service
 
setAskList(List) - Method in class org.apache.hadoop.yarn.api.protocolrecords.AllocateRequest
Set list of ResourceRequest to update the ResourceManager about the application's resource requirements.
setAssignedJobID(JobID) - Method in class org.apache.hadoop.mapred.jobcontrol.Job
Deprecated.
setAssignedJobID should not be called. JOBID is set by the framework.
setAssignedNode(NodeId) - Method in class org.apache.hadoop.yarn.api.records.ContainerReport
 
setAsynchronousMode(boolean) - Static method in class org.apache.hadoop.ipc.Client
设置RPC为异步或同步模式。
setAttemptFailuresValidityInterval(long) - Method in class org.apache.hadoop.yarn.api.records.ApplicationSubmissionContext
为应用程序设置attemptFailuresValidityInterval(毫秒)。
setAttemptsToStartSkipping(Configuration, int) - Static method in class org.apache.hadoop.mapred.SkipBadRecords
设置任务尝试次数,超过该次数后将启动跳过模式。
setAttributeKey(NodeAttributeKey) - Method in class org.apache.hadoop.yarn.api.records.NodeAttribute
 
setAttributeKey(NodeAttributeKey) - Method in class org.apache.hadoop.yarn.api.records.NodeAttributeInfo
 
setAttributeName(String) - Method in class org.apache.hadoop.yarn.api.records.NodeAttributeKey
 
setAttributePrefix(String) - Method in class org.apache.hadoop.yarn.api.records.NodeAttributeKey
 
setAttributeToNodes(Map>) - Method in class org.apache.hadoop.yarn.api.protocolrecords.GetAttributesToNodesResponse
 
setAttributeType(NodeAttributeType) - Method in class org.apache.hadoop.yarn.api.records.NodeAttribute
 
setAttributeType(NodeAttributeType) - Method in class org.apache.hadoop.yarn.api.records.NodeAttributeInfo
 
setAttributeValue(String) - Method in class org.apache.hadoop.yarn.api.records.NodeAttribute
 
setAttributeValue(String) - Method in class org.apache.hadoop.yarn.api.records.NodeToAttributeValue
 
setAuthenticationMethod(UserGroupInformation.AuthenticationMethod, Configuration) - Static method in class org.apache.hadoop.security.SecurityUtil
 
setAuthenticationMethod(UserGroupInformation.AuthenticationMethod) - Method in class org.apache.hadoop.security.UserGroupInformation
设置主题中的认证方法
setAuthenticationMethod(SaslRpcServer.AuthMethod) - Method in class org.apache.hadoop.security.UserGroupInformation
设置主题中的认证方法
setAutoIncrMapperProcCount(Configuration, boolean) - Static method in class org.apache.hadoop.mapred.SkipBadRecords
Set the flag which if set to true, SkipBadRecords.COUNTER_MAP_PROCESSED_RECORDS is incremented by MapRunner after invoking the map function.
setAutoIncrReducerProcCount(Configuration, boolean) - Static method in class org.apache.hadoop.mapred.SkipBadRecords
Set the flag which if set to true, SkipBadRecords.COUNTER_REDUCE_PROCESSED_GROUPS is incremented by framework after invoking the reduce function.
setAvailableMemoryMB(long) - Method in class org.apache.hadoop.yarn.api.records.QueueStatistics
设置可用内存(单位:MB)
setAvailableVCores(long) - Method in class org.apache.hadoop.yarn.api.records.QueueStatistics
设置可用的虚拟核心数
setBareHost(String) - Method in class org.apache.hadoop.yarn.service.api.records.Container
 
setBlacklistAdditions(List) - Method in class org.apache.hadoop.yarn.api.records.ResourceBlacklistRequest
设置应添加到应用程序黑名单的资源名称列表。
setBlacklistRemovals(List) - Method in class org.apache.hadoop.yarn.api.records.ResourceBlacklistRequest
设置应从应用程序黑名单中移除的资源名称列表。
setBlock(long, String) - Method in class org.apache.hadoop.hdfs.ReplicaAccessorBuilder
设置正在打开的块ID和块池ID。
setBlockAccessToken(byte[]) - Method in class org.apache.hadoop.hdfs.ReplicaAccessorBuilder
设置要使用的块访问令牌。
setBlockLocations(BlockLocation[]) - Method in class org.apache.hadoop.fs.LocatedFileStatus
为子类提供的钩子,用于延迟设置块位置。
setBoolean(String, boolean) - Method in class org.apache.hadoop.conf.配置
Set the value of the name property to a boolean.
setBooleanIfUnset(String, boolean) - Method in class org.apache.hadoop.conf.配置
如果当前未设置,则设置给定的属性。
setBoundingQuery(Configuration, String) - Static method in class org.apache.hadoop.mapreduce.lib.db.DataDrivenDBInputFormat
设置与用户自定义查询一起使用的用户自定义边界查询。
setCacheArchives(URI[]) - Method in class org.apache.hadoop.mapreduce.Job
设置给定的归档集
setCacheArchives(URI[], Configuration) - Static method in class org.apache.hadoop.mapreduce.Job
使用给定的归档集设置配置。
setCachedHosts(String[]) - Method in class org.apache.hadoop.fs.BlockLocation
设置托管此块缓存副本的主机。
setCacheFiles(URI[]) - Method in class org.apache.hadoop.mapreduce.Job
设置给定的文件集
setCacheFiles(URI[], Configuration) - Static method in class org.apache.hadoop.mapreduce.Job
使用给定的文件集设置配置。
setCallbackHandler(NMClientAsync.CallbackHandler) - Method in class org.apache.hadoop.yarn.client.api.async.NMClientAsync
 
setCallIdAndRetryCount(int, int, Object) - Static method in class org.apache.hadoop.ipc.Client
为下一次调用设置调用ID和重试次数。
setCallIdAndRetryCountUnprotected(Integer, int, Object) - Static method in class org.apache.hadoop.ipc.Client
 
setCancelDelegationTokenUponJobCompletion(boolean) - Method in class org.apache.hadoop.mapreduce.Job
设置标志,允许JobTracker在作业完成后取消HDFS委托令牌。
setCapability(Resource) - Method in class org.apache.hadoop.yarn.api.records.ReservationRequest
Set the Resource capability of the request
setCapability(Resource) - Method in class org.apache.hadoop.yarn.api.records.ResourceRequest
Set the Resource capability of the request.
setCapability(Resource) - Method in class org.apache.hadoop.yarn.api.records.UpdateContainerRequest
Set the Resource capability of the request.
setCapacity(int) - Method in class org.apache.hadoop.io.BytesWritable
更改后备存储的容量。
setCapacity(int) - Method in class org.apache.hadoop.record.Buffer
Deprecated.
更改后备存储的容量。
setChanged() - Method in class org.apache.hadoop.metrics2.lib.MutableMetric
在可变操作中设置变更标志
setChildren(Set) - Method in class org.apache.hadoop.yarn.api.records.timelineservice.HierarchicalTimelineEntity
 
setClass(String, Class, Class) - Method in class org.apache.hadoop.conf.配置
Set the value of the name property to the name of a theClass implementing the given interface xface.
setClassLoader(ClassLoader) - Method in class org.apache.hadoop.conf.配置
设置将用于加载各种对象的类加载器。
setCleanupProgress(float) - Method in class org.apache.hadoop.mapred.JobStatus
设置此作业的清理进度
setCleanupProgress(float) - Method in class org.apache.hadoop.mapreduce.JobStatus
设置此作业的清理进度
setClient(NMClient) - Method in class org.apache.hadoop.yarn.client.api.async.NMClientAsync
 
setClientBackoffEnabled(boolean) - Method in class org.apache.hadoop.ipc.Server
 
setClientName(String) - Method in class org.apache.hadoop.hdfs.ReplicaAccessorBuilder
设置HDFS客户端的名称。
setClientToAMTokenMasterKey(ByteBuffer) - Method in class org.apache.hadoop.yarn.api.protocolrecords.RegisterApplicationMasterResponse
设置ClientToAMToken主密钥。
setCluster(String) - Method in class org.apache.hadoop.yarn.api.records.timelineservice.FlowActivityEntity
 
setCode(Integer) - Method in class org.apache.hadoop.yarn.service.api.records.错误
 
setCode(Integer) - Method in class org.apache.hadoop.yarn.service.api.records.ServiceStatus
 
setCodecClasses(Configuration, List) - Static method in class org.apache.hadoop.io.compress.CompressionCodecFactory
在配置中设置编解码器类的列表。
setCollectorAddr(String) - Method in class org.apache.hadoop.yarn.api.records.CollectorInfo
 
setCollectorToken(Token) - Method in class org.apache.hadoop.yarn.api.records.CollectorInfo
 
setCombinerClass(Class) - Method in class org.apache.hadoop.mapred.JobConf
Set the user-defined combiner class used to combine map-outputs before being sent to the reducers.
setCombinerClass(Class) - Method in class org.apache.hadoop.mapreduce.Job
为作业设置组合器类。
setCombinerKeyGroupingComparator(Class) - Method in class org.apache.hadoop.mapred.JobConf
Set the user defined RawComparator comparator for grouping keys in the input to the combiner.
setCombinerKeyGroupingComparatorClass(Class) - Method in class org.apache.hadoop.mapreduce.Job
Define the comparator that controls which keys are grouped together for a single call to combiner, Reducer.reduce(Object, Iterable, org.apache.hadoop.mapreduce.Reducer.Context)
setCommand(SignalContainerCommand) - Method in class org.apache.hadoop.yarn.api.protocolrecords.SignalContainerRequest
Set the SignalContainerCommand of the signal request.
setCommands(List) - Method in class org.apache.hadoop.yarn.api.records.ContainerLaunchContext
Add the list of commands for launching the container.
setCommitter(String) - Method in class org.apache.hadoop.mapreduce.lib.output.committer.manifest.files.ManifestSuccessData
 
setComponentInstanceName(String) - Method in class org.apache.hadoop.yarn.service.api.records.Container
 
setComponentName(String) - Method in class org.apache.hadoop.yarn.service.api.records.ComponentContainers
 
setComponents(List) - Method in class org.apache.hadoop.yarn.service.api.records.Service
 
setCompressMapOutput(boolean) - Method in class org.apache.hadoop.mapred.JobConf
是否应在传输前压缩map输出?
setCompressOutput(JobConf, boolean) - Static method in class org.apache.hadoop.mapred.FileOutputFormat
设置作业的输出是否压缩。
setCompressOutput(Job, boolean) - Static method in class org.apache.hadoop.mapreduce.lib.output.FileOutputFormat
设置作业的输出是否压缩。
setConcurrency(int) - Method in class org.apache.hadoop.yarn.api.records.ReservationRequest
设置需要并发调度的容器数量。
setConf(Configuration) - Method in interface org.apache.hadoop.conf.可配置
设置此对象要使用的配置。
setConf(Configuration) - Method in class org.apache.hadoop.conf.已配置
 
setConf(Configuration) - Method in class org.apache.hadoop.fs.ChecksumFileSystem
 
setConf(Configuration) - Method in class org.apache.hadoop.hdfs.server.aliasmap.InMemoryAliasMap
 
setConf(Configuration) - Method in class org.apache.hadoop.hdfs.server.common.blockaliasmap.impl.LevelDBFileRegionAliasMap
 
setConf(Configuration) - Method in class org.apache.hadoop.hdfs.server.common.blockaliasmap.impl.TextFileRegionAliasMap
 
setConf(Configuration) - Method in class org.apache.hadoop.hdfs.server.namenode.FileSystemImage
 
setConf(Configuration) - Method in class org.apache.hadoop.hdfs.server.namenode.FixedBlockMultiReplicaResolver
 
setConf(Configuration) - Method in class org.apache.hadoop.hdfs.server.namenode.FixedBlockResolver
 
setConf(Configuration) - Method in class org.apache.hadoop.hdfs.server.namenode.SingleUGIResolver
 
setConf(Configuration) - Method in class org.apache.hadoop.hdfs.web.oauth2.AccessTokenProvider
设置配置。
setConf(Configuration) - Method in class org.apache.hadoop.hdfs.web.oauth2.ConfCredentialBasedAccessTokenProvider
 
setConf(Configuration) - Method in class org.apache.hadoop.hdfs.web.oauth2.ConfRefreshTokenBasedAccessTokenProvider
 
setConf(Configuration) - Method in class org.apache.hadoop.hdfs.web.oauth2.CredentialBasedAccessTokenProvider
 
setConf(Configuration) - Method in class org.apache.hadoop.io.AbstractMapWritable
 
setConf(Configuration) - Method in class org.apache.hadoop.io.compress.BZip2Codec
设置此对象要使用的配置。
setConf(Configuration) - Method in class org.apache.hadoop.io.compress.DefaultCodec
 
setConf(Configuration) - Method in class org.apache.hadoop.io.compress.PassthroughCodec
 
setConf(Configuration) - Method in class org.apache.hadoop.io.EnumSetWritable
 
setConf(Configuration) - Method in class org.apache.hadoop.io.GenericWritable
 
setConf(Configuration) - Method in class org.apache.hadoop.io.ObjectWritable
 
setConf(Configuration) - Method in class org.apache.hadoop.io.WritableComparator
 
setConf(Configuration) - Method in class org.apache.hadoop.mapred.join.CompositeRecordReader
设置此对象要使用的配置。
setConf(Configuration) - Method in class org.apache.hadoop.mapred.join.WrappedRecordReader
 
setConf(Configuration) - Method in class org.apache.hadoop.mapreduce.lib.db.DBInputFormat
设置此对象要使用的配置。
setConf(Configuration) - Method in class org.apache.hadoop.mapreduce.lib.join.CompositeRecordReader
设置此对象要使用的配置。
setConf(Configuration) - Method in class org.apache.hadoop.mapreduce.lib.partition.BinaryPartitioner
 
setConf(Configuration) - Method in class org.apache.hadoop.mapreduce.lib.partition.KeyFieldBasedComparator
 
setConf(Configuration) - Method in class org.apache.hadoop.mapreduce.lib.partition.KeyFieldBasedPartitioner
 
setConf(Configuration) - Method in class org.apache.hadoop.mapreduce.lib.partition.TotalOrderPartitioner
读取分区文件并构建索引数据结构。
setConf(Configuration) - Method in class org.apache.hadoop.net.AbstractDNSToSwitchMapping
 
setConf(Configuration) - Method in class org.apache.hadoop.net.ScriptBasedMapping
设置此对象要使用的配置。
setConf(Configuration) - Method in class org.apache.hadoop.net.SocksSocketFactory
 
setConf(Configuration) - Method in class org.apache.hadoop.net.TableMapping
 
setConf(Configuration) - Method in class org.apache.hadoop.security.authorize.DefaultImpersonationProvider
 
setConf(Object, Configuration) - Static method in class org.apache.hadoop.util.ReflectionUtils
检查并在必要时设置'configuration'。
setConfig(Configuration) - Method in class org.apache.hadoop.service.AbstractService
为此服务设置配置。
setConfigs(Map) - Method in class org.apache.hadoop.yarn.api.records.timelineservice.TimelineEntity
 
setConfiguration(Configuration) - Method in class org.apache.hadoop.hdfs.ReplicaAccessorBuilder
设置要使用的配置。
setConfiguration(Configuration) - Static method in class org.apache.hadoop.security.SecurityUtil
 
setConfiguration(Configuration) - Static method in class org.apache.hadoop.security.UserGroupInformation
为UGI设置静态配置。
setConfiguration(Configuration) - Method in class org.apache.hadoop.yarn.service.api.records.组件
 
setConfiguration(Configuration) - Method in class org.apache.hadoop.yarn.service.api.records.Service
 
setConnectionConfigurator(ConnectionConfigurator) - Method in class org.apache.hadoop.security.token.delegation.web.DelegationTokenAuthenticator
 
setConnectTimeout(Configuration, int) - Static method in class org.apache.hadoop.ipc.Client
在配置中设置连接超时值
setConstraints(List) - Method in class org.apache.hadoop.yarn.service.api.records.PlacementPolicy
 
setContainer(Container) - Method in class org.apache.hadoop.yarn.api.records.UpdatedContainer
Set the Container.
setContainerExitStatus(int) - Method in class org.apache.hadoop.yarn.api.records.ContainerReport
 
setContainerId(ContainerId) - Method in class org.apache.hadoop.yarn.api.protocolrecords.GetContainerReportRequest
Set the ContainerId of the container
setContainerId(ContainerId) - Method in class org.apache.hadoop.yarn.api.protocolrecords.SignalContainerRequest
Set the ContainerId of the container to signal.
setContainerId(ContainerId) - Method in class org.apache.hadoop.yarn.api.records.ContainerReport
 
setContainerId(ContainerId) - Method in class org.apache.hadoop.yarn.api.records.UpdateContainerRequest
Set the ContainerId of the container.
setContainerIds(List) - Method in class org.apache.hadoop.yarn.api.protocolrecords.GetContainerStatusesRequest
Set a list of ContainerIds of containers for which to obtain the ContainerStatus
setContainerIds(List) - Method in class org.apache.hadoop.yarn.api.protocolrecords.GetLocalizationStatusesRequest
设置需要获取本地化状态的容器ID列表。
setContainerIds(List) - Method in class org.apache.hadoop.yarn.api.protocolrecords.StopContainersRequest
Set the ContainerIds of the containers to be stopped.
setContainerLaunchContext(ContainerLaunchContext) - Method in class org.apache.hadoop.yarn.api.protocolrecords.StartContainerRequest
Set the ContainerLaunchContext for the container to be started by the NodeManager
setContainerList(List) - Method in class org.apache.hadoop.yarn.api.protocolrecords.GetContainersResponse
Set a list of ContainerReport for all the containers of an application attempt.
setContainerLogDir(String) - Method in class org.apache.hadoop.yarn.ContainerLogAppender
 
setContainerLogDir(String) - Method in class org.apache.hadoop.yarn.ContainerRollingLogAppender
 
setContainerLogFile(String) - Method in class org.apache.hadoop.yarn.ContainerLogAppender
 
setContainerLogFile(String) - Method in class org.apache.hadoop.yarn.ContainerRollingLogAppender
 
setContainerName(String) - Method in class org.apache.hadoop.fs.azure.metrics.AzureFileSystemInstrumentation
设置容器名称以标记所有指标。
setContainerReport(ContainerReport) - Method in class org.apache.hadoop.yarn.api.protocolrecords.GetContainerReportResponse
 
setContainerRetryContext(ContainerRetryContext) - Method in class org.apache.hadoop.yarn.api.records.ContainerLaunchContext
Set the ContainerRetryContext to relaunch container.
setContainers(List) - Method in class org.apache.hadoop.yarn.service.api.records.组件
 
setContainers(List) - Method in class org.apache.hadoop.yarn.service.api.records.ComponentContainers
设置容器。
setContainerState(ContainerState) - Method in class org.apache.hadoop.yarn.api.records.ContainerReport
 
setContainersToIncrease(List) - Method in class org.apache.hadoop.yarn.api.protocolrecords.IncreaseContainersResourceRequest
设置容器令牌以在容器资源增加期间使用。
setContainersToUpdate(List) - Method in class org.apache.hadoop.yarn.api.protocolrecords.ContainerUpdateRequest
设置容器令牌,用于容器资源增加时使用。
setContainerToken(Token) - Method in class org.apache.hadoop.yarn.api.protocolrecords.StartContainerRequest
 
setContainerUpdateType(ContainerUpdateType) - Method in class org.apache.hadoop.yarn.api.records.UpdateContainerRequest
Set the ContainerUpdateType of the container.
setContainerVersion(int) - Method in class org.apache.hadoop.yarn.api.records.UpdateContainerRequest
设置容器的当前版本。
setContent(Object) - Method in class org.apache.hadoop.yarn.api.records.timeline.TimelineDelegationTokenResponse
 
setContentionTracing(boolean) - Static method in class org.apache.hadoop.util.ReflectionUtils
 
setContext(String) - Method in class org.apache.hadoop.metrics2.lib.MetricsRegistry
设置指标上下文标签
setContext(String) - Method in class org.apache.hadoop.metrics2.MetricsJsonBuilder
 
setContext(String) - Method in class org.apache.hadoop.metrics2.MetricsRecordBuilder
设置上下文标签
setContext(String) - Method in class org.apache.hadoop.metrics2.MetricStringBuilder
 
setCorrupt(boolean) - Method in class org.apache.hadoop.fs.BlockLocation
设置损坏标志。
setCounter(String, long) - Method in interface org.apache.hadoop.fs.statistics.IOStatisticsSetters
设置计数器。
setCounter(String, long) - Method in class org.apache.hadoop.fs.statistics.IOStatisticsSnapshot
 
setCountersEnabled(JobConf, boolean) - Static method in class org.apache.hadoop.mapred.lib.MultipleOutputs
启用或禁用指定输出的计数器。
setCountersEnabled(Job, boolean) - Static method in class org.apache.hadoop.mapreduce.lib.output.MultipleOutputs
启用或禁用指定输出的计数器。
setCPU(float) - Method in class org.apache.hadoop.yarn.api.records.ResourceUtilization
Set CPU utilization (The amount of vcores used).
setCpus(Integer) - Method in class org.apache.hadoop.yarn.service.api.records.Resource
 
setCreatedTime(Long) - Method in class org.apache.hadoop.yarn.api.records.timeline.TimelineDomain
设置域名的创建时间
setCreatedTime(Long) - Method in class org.apache.hadoop.yarn.api.records.timelineservice.TimelineDomain
设置域的创建时间。
setCreatedTime(Long) - Method in class org.apache.hadoop.yarn.api.records.timelineservice.TimelineEntity
 
setCreationTime(long) - Method in class org.apache.hadoop.yarn.api.records.ContainerReport
 
setCurrent(CallerContext) - Static method in class org.apache.hadoop.ipc.CallerContext
 
setCurrentContainerVersion(int) - Method in class org.apache.hadoop.yarn.api.records.UpdateContainerError
设置当前容器版本。
setCurrentKeyId(int) - Method in class org.apache.hadoop.security.token.delegation.AbstractDelegationTokenSecretManager
对于将存储外部化的子类,例如基于Zookeeper的实现。
setCustomResource(String, float) - Method in class org.apache.hadoop.yarn.api.records.ResourceUtilization
Set custom resource utilization (The amount of custom resource used).
setCustomResources(Map) - Method in class org.apache.hadoop.yarn.api.records.ResourceUtilization
 
setDate(String) - Method in class org.apache.hadoop.mapreduce.lib.output.committer.manifest.files.ManifestSuccessData
 
setDate(long) - Method in class org.apache.hadoop.yarn.api.records.timelineservice.FlowActivityEntity
 
setDeadline(long) - Method in class org.apache.hadoop.yarn.api.records.ReservationDefinition
设置资源必须分配完成的截止时间或最晚时间。
setDecommissionedInstances(List) - Method in class org.apache.hadoop.yarn.service.api.records.组件
 
setDecommissioningTimeout(Integer) - Method in class org.apache.hadoop.yarn.api.records.NodeReport
设置下线超时时间(单位:秒,null表示无超时限制)。
setDefaultCompressionType(Configuration, SequenceFile.CompressionType) - Static method in class org.apache.hadoop.io.SequenceFile
为序列文件设置默认压缩类型。
setDefaultDelegationTokenAuthenticator(Class) - Static method in class org.apache.hadoop.security.token.delegation.web.DelegationTokenAuthenticatedURL
Sets the default DelegationTokenAuthenticator class to use when an DelegationTokenAuthenticatedURL instance is created without specifying one.
setDefaultNodeLabelExpression(String) - Method in class org.apache.hadoop.yarn.api.records.QueueInfo
 
setDefaultReplication(Short) - Method in class org.apache.hadoop.hdfs.protocol.CachePoolInfo
 
setDefaultUri(Configuration, URI) - Static method in class org.apache.hadoop.fs.FileSystem
在配置中设置默认的文件系统URI。
setDefaultUri(Configuration, String) - Static method in class org.apache.hadoop.fs.FileSystem
在配置中设置默认的文件系统URI。
setDelegationToken(Token) - Method in interface org.apache.hadoop.mapreduce.v2.api.protocolrecords.CancelDelegationTokenRequest
 
setDelegationToken(Token) - Method in interface org.apache.hadoop.mapreduce.v2.api.protocolrecords.RenewDelegationTokenRequest
 
setDelegationToken(Token) - Method in class org.apache.hadoop.security.token.delegation.web.DelegationTokenAuthenticatedURL.Token
 
setDelegationTokenSeqNum(int) - Method in class org.apache.hadoop.security.token.delegation.AbstractDelegationTokenSecretManager
对于将存储外部化的子类,例如基于Zookeeper的实现。
setDependencies(List) - Method in class org.apache.hadoop.yarn.service.api.records.组件
 
setDependencies(List) - Method in class org.apache.hadoop.yarn.service.api.records.Service
 
setDeprecatedProperties() - Method in class org.apache.hadoop.conf.配置
设置所有当前未设置但具有对应已设置新属性的已弃用属性。
setDescription(String) - Method in class org.apache.hadoop.mapreduce.lib.output.committer.manifest.files.ManifestSuccessData
 
setDescription(String) - Method in class org.apache.hadoop.yarn.api.records.timeline.TimelineDomain
设置域描述
setDescription(String) - Method in class org.apache.hadoop.yarn.api.records.timelineservice.TimelineDomain
设置域描述。
setDescription(String) - Method in class org.apache.hadoop.yarn.service.api.records.Service
 
setDestFile(String) - Method in class org.apache.hadoop.yarn.service.api.records.ConfigFile
 
setDestFile(String) - Method in class org.apache.hadoop.yarn.service.api.records.LocalizationStatus
设置目标文件。
setDiagnostics(TreeMap) - Method in class org.apache.hadoop.mapreduce.lib.output.committer.manifest.files.ManifestSuccessData
 
setDiagnostics(String) - Method in class org.apache.hadoop.yarn.api.protocolrecords.FinishApplicationMasterRequest
Set diagnostic information on application failure.
setDiagnostics(String) - Method in class org.apache.hadoop.yarn.api.protocolrecords.KillApplicationRequest
Set the diagnostics to which the application is being killed.
setDiagnostics(String) - Method in class org.apache.hadoop.yarn.service.api.records.LocalizationStatus
设置诊断信息。
setDiagnostics(String) - Method in class org.apache.hadoop.yarn.service.api.records.ServiceStatus
 
setDiagnosticsInfo(String) - Method in class org.apache.hadoop.yarn.api.records.ContainerReport
 
setDiagnosticsInfo(String) - Method in class org.apache.hadoop.yarn.api.records.timeline.TimelineHealth
 
setDictionary(byte[], int, int) - Method in interface org.apache.hadoop.io.compress.Compressor
设置压缩的预设字典。
setDictionary(byte[], int, int) - Method in interface org.apache.hadoop.io.compress.Decompressor
设置用于压缩的预设字典。
setDigest(String) - Method in class org.apache.hadoop.io.MD5Hash
从十六进制字符串设置摘要值。
setDir(String) - Method in class org.apache.hadoop.mapreduce.lib.output.committer.manifest.files.DirEntry
 
setDisplayName(String) - Method in class org.apache.hadoop.mapred.Counters.Counter
 
setDisplayName(String) - Method in class org.apache.hadoop.mapred.Counters.Group
 
setDisplayName(String) - Method in interface org.apache.hadoop.mapreduce.Counter
Deprecated.
(and no-op by default)
setDisplayName(String) - Method in interface org.apache.hadoop.mapreduce.counters.CounterGroupBase
设置组的显示名称
setDockerClientConfig(String) - Method in class org.apache.hadoop.yarn.service.api.records.Service
 
setDomainId(String) - Method in class org.apache.hadoop.yarn.api.records.timeline.TimelineEntity
设置实体所属域的ID
setDomains(List) - Method in class org.apache.hadoop.yarn.api.records.timeline.TimelineDomains
将域名列表设置为给定的域名列表
setDouble(String, double) - Method in class org.apache.hadoop.conf.配置
Set the value of the name property to a double.
setDrainEventsOnStop() - Method in class org.apache.hadoop.yarn.event.AsyncDispatcher
 
setDropBehind(Boolean) - Method in interface org.apache.hadoop.fs.CanSetDropBehind
配置是否应丢弃流的缓存。
setDropBehind(Boolean) - Method in class org.apache.hadoop.fs.FSDataInputStream
 
setDropBehind(Boolean) - Method in class org.apache.hadoop.fs.FSDataOutputStream
 
setDuration(long) - Method in class org.apache.hadoop.yarn.api.records.ReservationRequest
设置资源所需的持续时间(以毫秒为单位)。
setEnd(long) - Method in class org.apache.hadoop.io.compress.SplitCompressionInputStream
 
setEndTime(long) - Method in class org.apache.hadoop.yarn.api.protocolrecords.ReservationListRequest
设置用于搜索预订的结束时间。
setEnforceExecutionType(boolean) - Method in class org.apache.hadoop.yarn.api.records.ExecutionTypeRequest
设置为true以明确要求调度机构返回与请求的执行类型完全匹配的容器。
setEntities(List) - Method in class org.apache.hadoop.yarn.api.records.timeline.TimelineEntities
将实体列表设置为给定的实体列表
setEntities(List) - Method in class org.apache.hadoop.yarn.api.records.timelineservice.TimelineEntities
 
setEntityId(String) - Method in class org.apache.hadoop.yarn.api.records.timeline.TimelineEntity
设置实体ID
setEntityId(String) - Method in class org.apache.hadoop.yarn.api.records.timeline.TimelineEvents.EventsOfOneEntity
设置实体ID
setEntityId(String) - Method in class org.apache.hadoop.yarn.api.records.timeline.TimelinePutResponse.TimelinePutError
设置实体ID
setEntityId(String) - Method in class org.apache.hadoop.yarn.api.records.timelineservice.TimelineWriteResponse.TimelineWriteError
设置实体ID。
setEntityType(String) - Method in class org.apache.hadoop.yarn.api.records.timeline.TimelineEntity
设置实体类型
setEntityType(String) - Method in class org.apache.hadoop.yarn.api.records.timeline.TimelineEvents.EventsOfOneEntity
设置实体类型
setEntityType(String) - Method in class org.apache.hadoop.yarn.api.records.timeline.TimelinePutResponse.TimelinePutError
设置实体类型
setEntityType(String) - Method in class org.apache.hadoop.yarn.api.records.timelineservice.TimelineWriteResponse.TimelineWriteError
设置实体类型。
setEnum(String, T) - Method in class org.apache.hadoop.conf.配置
Set the value of the name property to the given type.
setEnv(Map) - Method in class org.apache.hadoop.yarn.service.api.records.配置
 
setEnvironment(Map) - Method in class org.apache.hadoop.util.Shell
设置命令的环境。
setEnvironment(Map) - Method in class org.apache.hadoop.yarn.api.records.ContainerLaunchContext
Add environment variables for the container.
setErasureCodingPolicy(Path, String) - Method in class org.apache.hadoop.hdfs.client.HdfsAdmin
将源路径设置为指定的擦除编码策略。
setErrorCode(int) - Method in class org.apache.hadoop.yarn.api.records.timeline.TimelinePutResponse.TimelinePutError
将错误代码设置为给定的错误代码
setErrorCode(int) - Method in class org.apache.hadoop.yarn.api.records.timelineservice.TimelineWriteResponse.TimelineWriteError
将错误代码设置为给定的错误代码。
setErrorCodes(Set) - Method in class org.apache.hadoop.yarn.api.records.ContainerRetryContext
 
setErrors(List) - Method in class org.apache.hadoop.yarn.api.records.timeline.TimelinePutResponse
Set the list to the given list of TimelinePutResponse.TimelinePutError instances
setErrors(List) - Method in class org.apache.hadoop.yarn.api.records.timelineservice.TimelineWriteResponse
Set the list to the given list of TimelineWriteResponse.TimelineWriteError instances.
setEstimator(QuantileEstimator) - Method in class org.apache.hadoop.metrics2.lib.MutableQuantiles
 
setEventId(int) - Method in class org.apache.hadoop.mapreduce.TaskCompletionEvent
设置事件ID。
setEventInfo(Map) - Method in class org.apache.hadoop.yarn.api.records.timeline.TimelineEvent
将信息映射设置为给定的事件信息映射
setEvents(List) - Method in class org.apache.hadoop.yarn.api.records.timeline.TimelineEntity
将事件列表设置为与实体相关的给定事件列表
setEvents(List) - Method in class org.apache.hadoop.yarn.api.records.timeline.TimelineEvents.EventsOfOneEntity
将事件列表设置为给定的事件列表
setEvents(List) - Method in class org.apache.hadoop.yarn.api.records.timeline.TimelineEvents
Set the list to the given list of TimelineEvents.EventsOfOneEntity instances
setEvents(NavigableSet) - Method in class org.apache.hadoop.yarn.api.records.timelineservice.TimelineEntity
 
setEventType(String) - Method in class org.apache.hadoop.yarn.api.records.timeline.TimelineEvent
设置事件类型
setExcludePattern(String) - Method in class org.apache.hadoop.yarn.api.records.LogAggregationContext
设置排除模式。
setExecutable(File, boolean) - Static method in class org.apache.hadoop.fs.FileUtil
Platform independent implementation for File.setExecutable(boolean) File#setExecutable does not work as expected on Windows.
setExecutable(JobConf, String) - Static method in class org.apache.hadoop.mapred.pipes.Submitter
设置应用程序可执行文件的URI。
setExecutionType(ExecutionType) - Method in class org.apache.hadoop.yarn.api.records.ExecutionTypeRequest
Set the ExecutionType of the requested container.
setExecutionType(ExecutionTypeRequest) - Method in class org.apache.hadoop.yarn.api.records.SchedulingRequest
 
setExecutionType(ExecutionType) - Method in class org.apache.hadoop.yarn.api.records.UpdateContainerRequest
Set the target ExecutionType of the container.
setExecutionTypeRequest(ExecutionTypeRequest) - Method in class org.apache.hadoop.yarn.api.records.ResourceRequest
Set the ExecutionTypeRequest of the requested container.
setExpireInterval(long) - Method in class org.apache.hadoop.yarn.util.AbstractLivelinessMonitor
 
setExpiresIn(String) - Method in class org.apache.hadoop.hdfs.web.oauth2.AccessTokenTimer
设置访问令牌的过期时间,由OAuth服务器报告,即从当前时间开始的秒数。
setExpiresInMSSinceEpoch(String) - Method in class org.apache.hadoop.hdfs.web.oauth2.AccessTokenTimer
设置访问令牌从纪元时间开始计算的过期时间(毫秒),这是WebHDFS配置所要求的。
setExpiryTime(String) - Method in class org.apache.hadoop.yarn.api.records.ApplicationTimeout
Set expiryTime for given timeout type.
setExposedPorts(Map>>) - Method in class org.apache.hadoop.yarn.service.api.records.Container
 
setExtended(boolean) - Method in class org.apache.hadoop.metrics2.lib.MutableStat
设置是否显示扩展统计信息(标准差、最小值/最大值等)
setFactory(Class, WritableFactory) - Static method in class org.apache.hadoop.io.WritableFactories
定义一个类的工厂。
setFailureInfo(String) - Method in class org.apache.hadoop.mapred.JobStatus
 
setFailureInfo(String) - Method in class org.apache.hadoop.mapreduce.JobStatus
设置诊断信息。
setFailuresValidityInterval(long) - Method in class org.apache.hadoop.yarn.api.records.ContainerRetryContext
 
setFields(String) - Method in class org.apache.hadoop.yarn.service.api.records.错误
 
SetFile - Class in org.apache.hadoop.io
基于文件的一组键。
SetFile() - Constructor for class org.apache.hadoop.io.SetFile
 
setFile(String) - Method in class org.apache.hadoop.yarn.api.records.URL
设置URL的文件。
setFileName(String) - Method in class org.apache.hadoop.hdfs.ReplicaAccessorBuilder
设置正在打开的文件名。
setFilenamePaths(List) - Method in class org.apache.hadoop.mapreduce.lib.output.committer.manifest.files.ManifestSuccessData
设置文件名路径列表。
setFilenames(ArrayList) - Method in class org.apache.hadoop.mapreduce.lib.output.committer.manifest.files.ManifestSuccessData
 
setFiles(List) - Method in class org.apache.hadoop.yarn.service.api.records.配置
 
setFileSharedCacheUploadPolicies(Configuration, Map) - Static method in class org.apache.hadoop.mapreduce.Job
这是为文件设置共享缓存上传策略。
setFilesystemProperties(Hashtable, TracingContext) - Method in class org.apache.hadoop.fs.azurebfs.AzureBlobFileSystemStore
 
setFileTimestamps(Configuration, String) - Static method in class org.apache.hadoop.filecache.DistributedCache
Deprecated.
setFilterClass(Configuration, Class) - Static method in class org.apache.hadoop.mapred.SequenceFileInputFilter
设置过滤器类
setFilterClass(Job, Class) - Static method in class org.apache.hadoop.mapreduce.lib.input.SequenceFileInputFilter
设置过滤器类
setFinalApplicationStatus(FinalApplicationStatus) - Method in class org.apache.hadoop.yarn.api.protocolrecords.FinishApplicationMasterRequest
Set the final state of the ApplicationMaster
setFinishTime(long) - Method in class org.apache.hadoop.mapred.JobStatus
设置作业的完成时间
setFinishTime(long) - Method in class org.apache.hadoop.mapred.TaskReport
设置任务的完成时间。
setFinishTime(long) - Method in class org.apache.hadoop.mapreduce.JobStatus
设置作业的完成时间
setFinishTime(long) - Method in class org.apache.hadoop.yarn.api.records.ContainerReport
 
setFloat(String, float) - Method in class org.apache.hadoop.conf.配置
Set the value of the name property to a float.
setFlowName(String) - Method in class org.apache.hadoop.yarn.api.records.timelineservice.FlowActivityEntity
 
setFormat(JobConf) - Method in class org.apache.hadoop.mapred.join.CompositeInputFormat
将给定字符串解释为复合表达式。
setFormat(Configuration) - Method in class org.apache.hadoop.mapreduce.lib.join.CompositeInputFormat
将给定的字符串解释为复合表达式。
setGauge(String, long) - Method in interface org.apache.hadoop.fs.statistics.IOStatisticsSetters
设置一个计量器。
setGauge(String, long) - Method in class org.apache.hadoop.fs.statistics.IOStatisticsSnapshot
 
setGenerationStamp(long) - Method in class org.apache.hadoop.hdfs.ReplicaAccessorBuilder
设置正在打开的块的生成戳记。
setGlobalContextEntry(String, String) - Static method in class org.apache.hadoop.fs.audit.CommonAuditContext
设置一个全局条目。
setGroup(String) - Method in class org.apache.hadoop.fs.FileStatus
设置组。
setGroupingComparatorClass(Class) - Method in class org.apache.hadoop.mapreduce.Job
Define the comparator that controls which keys are grouped together for a single call to Reducer.reduce(Object, Iterable, org.apache.hadoop.mapreduce.Reducer.Context)
setGroupName(String) - Method in class org.apache.hadoop.hdfs.protocol.CachePoolInfo
 
setHadoopBuildVersion(String) - Method in class org.apache.hadoop.yarn.api.records.timeline.TimelineAbout
 
setHadoopVersion(String) - Method in class org.apache.hadoop.yarn.api.records.timeline.TimelineAbout
 
setHadoopVersionBuiltOn(String) - Method in class org.apache.hadoop.yarn.api.records.timeline.TimelineAbout
 
setHealthStatus(TimelineHealth.TimelineHealthStatus) - Method in class org.apache.hadoop.yarn.api.records.timeline.TimelineHealth
 
setHeartbeatInterval(int) - Method in class org.apache.hadoop.yarn.client.api.async.AMRMClientAsync
 
setHistoryFile(String) - Method in class org.apache.hadoop.mapred.JobStatus
为已完成作业设置作业历史文件URL
setHistoryFile(String) - Method in class org.apache.hadoop.mapreduce.JobStatus
为已完成的任务设置任务历史文件URL
setHistoryFileManager(HistoryFileManager) - Method in interface org.apache.hadoop.mapreduce.v2.hs.HistoryStorage
为存储提供一个类的引用,该类可用于与历史文件进行交互。
setHost(String) - Method in class org.apache.hadoop.yarn.api.protocolrecords.RegisterApplicationMasterRequest
Set the host on which the ApplicationMaster is running.
setHost(String) - Method in class org.apache.hadoop.yarn.api.records.URL
设置URL的主机地址。
setHostname(String) - Method in class org.apache.hadoop.mapreduce.lib.output.committer.manifest.files.ManifestSuccessData
 
setHostname(String) - Method in class org.apache.hadoop.yarn.api.records.NodeToAttributeValue
 
setHostname(String) - Method in class org.apache.hadoop.yarn.service.api.records.Container
 
setHostNames(Set) - Method in class org.apache.hadoop.yarn.api.protocolrecords.GetNodesToAttributesRequest
设置需要映射的主机名。
setHosts(String[]) - Method in class org.apache.hadoop.fs.BlockLocation
设置托管此块的主机。
setID(int) - Method in class org.apache.hadoop.mapred.join.Parser.Node
 
setID(int) - Method in class org.apache.hadoop.mapreduce.lib.join.Parser.Node
 
setID(byte[]) - Method in class org.apache.hadoop.security.token.Token
 
setId(String) - Method in class org.apache.hadoop.yarn.api.records.timeline.TimelineDomain
设置域ID
setId(String) - Method in class org.apache.hadoop.yarn.api.records.timelineservice.TimelineDomain
设置域ID。
setId(String) - Method in class org.apache.hadoop.yarn.api.records.timelineservice.TimelineEntity
 
setId(String) - Method in class org.apache.hadoop.yarn.api.records.timelineservice.TimelineEvent
 
setId(String) - Method in class org.apache.hadoop.yarn.api.records.timelineservice.TimelineMetric
 
setId(String) - Method in class org.apache.hadoop.yarn.service.api.records.Artifact
 
setId(String) - Method in class org.apache.hadoop.yarn.service.api.records.Container
 
setId(String) - Method in class org.apache.hadoop.yarn.service.api.records.Service
 
setIdentifier(TimelineEntity.Identifier) - Method in class org.apache.hadoop.yarn.api.records.timelineservice.TimelineEntity
 
setIdPrefix(long) - Method in class org.apache.hadoop.yarn.api.records.timelineservice.TimelineEntity
为实体设置idPrefix。
setIfUnset(String, String) - Method in class org.apache.hadoop.conf.配置
如果当前未设置属性,则设置该属性。
setIncludeApplications(boolean) - Method in class org.apache.hadoop.yarn.api.protocolrecords.GetQueueInfoRequest
Should we get fetch information about active applications?
setIncludeChildQueues(boolean) - Method in class org.apache.hadoop.yarn.api.protocolrecords.GetQueueInfoRequest
Should we fetch information about child queues?
setIncludePattern(String) - Method in class org.apache.hadoop.yarn.api.records.LogAggregationContext
设置包含模式。
setIncludeResourceAllocations(boolean) - Method in class org.apache.hadoop.yarn.api.protocolrecords.ReservationListRequest
设置布尔值,表示用户是否请求完整的资源分配。
setInfo(Map) - Method in class org.apache.hadoop.yarn.api.records.timelineservice.TimelineEntity
 
setInfo(Map) - Method in class org.apache.hadoop.yarn.api.records.timelineservice.TimelineEvent
 
setInitialFlushTime(Date) - Method in class org.apache.hadoop.metrics2.sink.RollingFileSystemSink
Set the RollingFileSystemSink.nextFlush variable to the initial flush time.
setInput(byte[], int, int) - Method in interface org.apache.hadoop.io.compress.Compressor
设置用于压缩的输入数据。
setInput(byte[], int, int) - Method in interface org.apache.hadoop.io.compress.Decompressor
设置解压缩的输入数据。
setInput(JobConf, Class, String, String, String, String...) - Static method in class org.apache.hadoop.mapred.lib.db.DBInputFormat
使用适当的输入设置初始化作业的映射部分。
setInput(JobConf, Class, String, String) - Static method in class org.apache.hadoop.mapred.lib.db.DBInputFormat
使用适当的输入设置初始化作业的映射部分。
setInput(Job, Class, String, String, String, String...) - Static method in class org.apache.hadoop.mapreduce.lib.db.DataDrivenDBInputFormat
请注意,在此版本中,"orderBy"列被称为"splitBy"。
setInput(Job, Class, String, String) - Static method in class org.apache.hadoop.mapreduce.lib.db.DataDrivenDBInputFormat
setInput() 接受一个自定义查询和一个单独的"边界查询"作为参数,用于替代 DBInputFormat 使用的自定义"计数查询"。
setInput(Job, Class, String, String, String, String...) - Static method in class org.apache.hadoop.mapreduce.lib.db.DBInputFormat
使用适当的输入设置初始化作业的映射部分。
setInput(Job, Class, String, String) - Static method in class org.apache.hadoop.mapreduce.lib.db.DBInputFormat
使用适当的输入设置初始化作业的映射部分。
setInputBoundingQuery(String) - Method in class org.apache.hadoop.mapreduce.lib.db.DBConfiguration
 
setInputClass(Class) - Method in class org.apache.hadoop.mapreduce.lib.db.DBConfiguration
 
setInputConditions(String) - Method in class org.apache.hadoop.mapreduce.lib.db.DBConfiguration
 
setInputCountQuery(String) - Method in class org.apache.hadoop.mapreduce.lib.db.DBConfiguration
 
setInputDirRecursive(Job, boolean) - Static method in class org.apache.hadoop.mapreduce.lib.input.FileInputFormat
 
setInputFieldNames(String...) - Method in class org.apache.hadoop.mapreduce.lib.db.DBConfiguration
 
setInputFormat(Class) - Method in class org.apache.hadoop.mapred.JobConf
Set the InputFormat implementation for the map-reduce job.
setInputFormatClass(Class) - Method in class org.apache.hadoop.mapreduce.Job
Set the InputFormat for the job.
setInputOrderBy(String) - Method in class org.apache.hadoop.mapreduce.lib.db.DBConfiguration
 
setInputPathFilter(JobConf, Class) - Static method in class org.apache.hadoop.mapred.FileInputFormat
为map-reduce作业设置一个应用于输入路径的PathFilter。
setInputPathFilter(Job, Class) - Static method in class org.apache.hadoop.mapreduce.lib.input.FileInputFormat
为MapReduce作业设置一个应用于输入路径的PathFilter。
setInputPaths(JobConf, String) - Static method in class org.apache.hadoop.mapred.FileInputFormat
将给定的逗号分隔路径设置为MapReduce作业的输入列表。
setInputPaths(JobConf, Path...) - Static method in class org.apache.hadoop.mapred.FileInputFormat
Set the array of Paths as the list of inputs for the map-reduce job.
setInputPaths(Job, String) - Static method in class org.apache.hadoop.mapreduce.lib.input.FileInputFormat
将给定的逗号分隔路径设置为MapReduce作业的输入列表。
setInputPaths(Job, Path...) - Static method in class org.apache.hadoop.mapreduce.lib.input.FileInputFormat
Set the array of Paths as the list of inputs for the map-reduce job.
setInputQuery(String) - Method in class org.apache.hadoop.mapreduce.lib.db.DBConfiguration
 
setInputTableName(String) - Method in class org.apache.hadoop.mapreduce.lib.db.DBConfiguration
 
setInt(String, int) - Method in class org.apache.hadoop.conf.配置
Set the value of the name property to an int.
setInterpreter(ReservationRequestInterpreter) - Method in class org.apache.hadoop.yarn.api.records.ReservationRequests
Set the ReservationRequestInterpreter, representing how the list of resources should be allocated, this captures temporal ordering and other constraints.
setInterval(int) - Method in class org.apache.hadoop.metrics2.lib.MutableQuantiles
设置估算器的滚动间隔(以秒为单位)。
setIOStatistics(IOStatisticsSnapshot) - Method in class org.apache.hadoop.mapreduce.lib.output.committer.manifest.files.ManifestSuccessData
 
setIp(String) - Method in class org.apache.hadoop.yarn.service.api.records.Container
 
setIsJavaMapper(JobConf, boolean) - Static method in class org.apache.hadoop.mapred.pipes.Submitter
设置Mapper是否用Java编写。
setIsJavaRecordReader(JobConf, boolean) - Static method in class org.apache.hadoop.mapred.pipes.Submitter
设置作业是否使用Java RecordReader。
setIsJavaRecordWriter(JobConf, boolean) - Static method in class org.apache.hadoop.mapred.pipes.Submitter
设置作业是否使用Java RecordWriter。
setIsJavaReducer(JobConf, boolean) - Static method in class org.apache.hadoop.mapred.pipes.Submitter
设置Reducer是否用Java编写。
setIsRelatedToEntities(Map>) - Method in class org.apache.hadoop.yarn.api.records.timelineservice.TimelineEntity
 
setIssueDate(long) - Method in class org.apache.hadoop.security.token.delegation.AbstractDelegationTokenIdentifier
 
setJar(String) - Method in class org.apache.hadoop.mapred.JobConf
为map-reduce作业设置用户jar包。
setJar(String) - Method in class org.apache.hadoop.mapreduce.Job
设置作业jar包
setJarByClass(Class) - Method in class org.apache.hadoop.mapred.JobConf
通过查找示例类位置来设置作业的jar文件。
setJarByClass(Class) - Method in class org.apache.hadoop.mapreduce.Job
通过查找给定类的来源来设置Jar包。
setJob(Job) - Method in class org.apache.hadoop.mapreduce.lib.jobcontrol.ControlledJob
设置mapreduce作业
setJobACLs(Map) - Method in class org.apache.hadoop.mapred.JobStatus
 
setJobACLs(Map) - Method in class org.apache.hadoop.mapreduce.JobStatus
设置作业的访问控制列表(ACL)。
setJobConf(JobConf) - Method in class org.apache.hadoop.mapred.jobcontrol.Job
为此作业设置mapred作业配置。
setJobEndNotificationCustomNotifierClass(String) - Method in class org.apache.hadoop.mapred.JobConf
设置作业完成后(成功/失败)用于发送通知的调用类。
setJobEndNotificationURI(String) - Method in class org.apache.hadoop.mapred.JobConf
设置要调用的URI,以便在作业完成后(成功/失败)发送通知。
setJobID(String) - Method in class org.apache.hadoop.mapreduce.lib.jobcontrol.ControlledJob
设置此任务的作业ID。
setJobId(String) - Method in class org.apache.hadoop.mapreduce.lib.output.committer.manifest.files.ManifestSuccessData
 
setJobIdSource(String) - Method in class org.apache.hadoop.mapreduce.lib.output.committer.manifest.files.ManifestSuccessData
 
setJobName(String) - Method in class org.apache.hadoop.mapred.JobConf
设置用户指定的作业名称。
setJobName(String) - Method in class org.apache.hadoop.mapreduce.Job
设置用户指定的作业名称。
setJobName(String) - Method in class org.apache.hadoop.mapreduce.lib.jobcontrol.ControlledJob
设置此任务的作业名称。
setJobPriority(JobPriority) - Method in class org.apache.hadoop.mapred.JobConf
Set JobPriority for this job.
setJobPriority(JobPriority) - Method in class org.apache.hadoop.mapred.JobStatus
设置作业的优先级,默认为NORMAL。
setJobPriority(String) - Method in interface org.apache.hadoop.mapred.RunningJob
设置正在运行作业的优先级。
setJobPriorityAsInteger(int) - Method in class org.apache.hadoop.mapred.JobConf
Set JobPriority for this job.
setJobSetupCleanupNeeded(boolean) - Method in class org.apache.hadoop.mapreduce.Job
指定作业是否需要设置作业和清理作业
setJobState(ControlledJob.State) - Method in class org.apache.hadoop.mapreduce.lib.jobcontrol.ControlledJob
设置此作业的状态。
setJobStatuses(JobStatus[]) - Method in class org.apache.hadoop.mapreduce.QueueInfo
 
setKeepCommandFile(JobConf, boolean) - Static method in class org.apache.hadoop.mapred.pipes.Submitter
设置是否保留命令文件用于调试
setKeepContainersAcrossApplicationAttempts(boolean) - Method in class org.apache.hadoop.yarn.api.records.ApplicationSubmissionContext
设置标志位,用于指示是否在应用程序尝试之间保留容器。
setKeepFailedTaskFiles(boolean) - Method in class org.apache.hadoop.mapred.JobConf
设置框架是否应保留失败任务的中间文件。
setKeepTaskFilesPattern(String) - Method in class org.apache.hadoop.mapred.JobConf
设置应保留任务名称的正则表达式。
setKerberosPrincipal(KerberosPrincipal) - Method in class org.apache.hadoop.yarn.service.api.records.Service
 
setKeyComparator(Class) - Method in class org.apache.hadoop.mapred.join.Parser.Node
 
setKeyComparator(Class) - Method in class org.apache.hadoop.mapreduce.lib.join.Parser.Node
 
setKeyFieldComparatorOptions(String) - Method in class org.apache.hadoop.mapred.JobConf
Set the KeyFieldBasedComparator options used to compare keys.
setKeyFieldComparatorOptions(Job, String) - Static method in class org.apache.hadoop.mapreduce.lib.partition.KeyFieldBasedComparator
Set the KeyFieldBasedComparator options used to compare keys.
setKeyFieldPartitionerOptions(String) - Method in class org.apache.hadoop.mapred.JobConf
Set the KeyFieldBasedPartitioner options used for Partitioner
setKeyFieldPartitionerOptions(Job, String) - Method in class org.apache.hadoop.mapreduce.lib.partition.KeyFieldBasedPartitioner
Set the KeyFieldBasedPartitioner options used for Partitioner
setKeytab(String) - Method in class org.apache.hadoop.yarn.service.api.records.KerberosPrincipal
 
setKeytabFile(String) - Method in exception org.apache.hadoop.security.KerberosAuthException
 
setKeyValue(Text, Text, byte[], int, int) - Static method in class org.apache.hadoop.mapreduce.lib.input.KeyValueLineRecordReader
 
setLaunchCommand(String) - Method in class org.apache.hadoop.yarn.service.api.records.组件
 
setLaunchTime(Date) - Method in class org.apache.hadoop.yarn.service.api.records.Container
 
setLaunchTime(Date) - Method in class org.apache.hadoop.yarn.service.api.records.Service
 
setLeftOffset(Configuration, int) - Static method in class org.apache.hadoop.mapreduce.lib.partition.BinaryPartitioner
Set the subarray to be used for partitioning to bytes[offset:] in Python syntax.
setLength(long) - Method in class org.apache.hadoop.fs.BlockLocation
设置块的长度。
setLevel(int) - Method in class org.apache.hadoop.mapreduce.lib.output.committer.manifest.files.DirEntry
 
setLifetime(Long) - Method in class org.apache.hadoop.yarn.service.api.records.Service
 
setLimit(Long) - Method in class org.apache.hadoop.hdfs.protocol.CachePoolInfo
 
setLocalArchives(Configuration, String) - Static method in class org.apache.hadoop.filecache.DistributedCache
Deprecated.
setLocalFiles(Configuration, String) - Static method in class org.apache.hadoop.filecache.DistributedCache
Deprecated.
setLocalizationStatuses(List) - Method in class org.apache.hadoop.yarn.service.api.records.Container
设置本地化状态。
setLocalResources(Map) - Method in class org.apache.hadoop.yarn.api.records.ContainerLaunchContext
Set LocalResource required by the container.
setLogAggregationContext(LogAggregationContext) - Method in class org.apache.hadoop.yarn.api.records.ApplicationSubmissionContext
Set LogAggregationContext for the application
setLogAggregationPolicyClassName(String) - Method in class org.apache.hadoop.yarn.api.records.LogAggregationContext
设置日志聚合策略类。
setLogAggregationPolicyParameters(String) - Method in class org.apache.hadoop.yarn.api.records.LogAggregationContext
设置日志聚合策略参数。
setLogSlowRPC(boolean) - Method in class org.apache.hadoop.ipc.Server
设置慢速RPC标志。
setLogSlowRPCThresholdTime(long) - Method in class org.apache.hadoop.ipc.Server
 
setLogUrl(String) - Method in class org.apache.hadoop.yarn.api.records.ContainerReport
 
setLong(String, long) - Method in class org.apache.hadoop.conf.配置
Set the value of the name property to a long.
setMapDebugScript(String) - Method in class org.apache.hadoop.mapred.JobConf
设置当map任务失败时运行的调试脚本。
setMapOutputCompressorClass(Class) - Method in class org.apache.hadoop.mapred.JobConf
Set the given class as the CompressionCodec for the map outputs.
setMapOutputKeyClass(Class) - Method in class org.apache.hadoop.mapred.JobConf
设置映射输出数据的键类。
setMapOutputKeyClass(Class) - Method in class org.apache.hadoop.mapreduce.Job
设置映射输出数据的键类。
setMapOutputValueClass(Class) - Method in class org.apache.hadoop.mapred.JobConf
设置map输出数据的值类。
setMapOutputValueClass(Class) - Method in class org.apache.hadoop.mapreduce.Job
设置map输出数据的值类。
setMapperClass(Class) - Method in class org.apache.hadoop.mapred.JobConf
Set the Mapper class for the job.
setMapperClass(Class) - Method in class org.apache.hadoop.mapreduce.Job
Set the Mapper for the job.
setMapperClass(Job, Class>) - Static method in class org.apache.hadoop.mapreduce.lib.map.MultithreadedMapper
设置应用程序的mapper类。
setMapperMaxSkipRecords(Configuration, long) - Static method in class org.apache.hadoop.mapred.SkipBadRecords
设置每个坏记录在映射器中可接受的周围跳过记录数。
setMapProgress(float) - Method in class org.apache.hadoop.mapred.JobStatus
设置此作业的映射进度
setMapProgress(float) - Method in class org.apache.hadoop.mapreduce.JobStatus
设置此作业的映射进度
setMapredJobID(String) - Method in class org.apache.hadoop.mapred.jobcontrol.Job
Deprecated.
setMapRunnerClass(Class) - Method in class org.apache.hadoop.mapred.JobConf
Expert: Set the MapRunnable class for the job.
setMapSpeculativeExecution(boolean) - Method in class org.apache.hadoop.mapred.JobConf
为该作业的map任务开启或关闭推测执行。
setMapSpeculativeExecution(boolean) - Method in class org.apache.hadoop.mapreduce.Job
为该作业的map任务开启或关闭推测执行。
setMasterKey(byte[]) - Method in class org.apache.hadoop.yarn.security.client.ClientToAMTokenSecretManager
 
setMasterKeyId(int) - Method in class org.apache.hadoop.security.token.delegation.AbstractDelegationTokenIdentifier
 
setMaxAppAttempts(int) - Method in class org.apache.hadoop.yarn.api.records.ApplicationSubmissionContext
设置应用程序提交的最大尝试次数。
setMaxCardinality(Long) - Method in class org.apache.hadoop.yarn.service.api.records.PlacementConstraint
 
setMaxDate(long) - Method in class org.apache.hadoop.security.token.delegation.AbstractDelegationTokenIdentifier
 
setMaxEndTime(long) - Method in class org.apache.hadoop.yarn.api.records.timelineservice.FlowRunEntity
 
setMaximum(String, long) - Method in interface org.apache.hadoop.fs.statistics.IOStatisticsSetters
设置最大值。
setMaximum(String, long) - Method in class org.apache.hadoop.fs.statistics.IOStatisticsSnapshot
 
setMaxInputSplitSize(Job, long) - Static method in class org.apache.hadoop.mapreduce.lib.input.FileInputFormat
设置最大分片大小
setMaxItems(long) - Method in class org.apache.hadoop.mapreduce.lib.aggregate.UniqValueCount
设置唯一值数量的上限
setMaxMapAttempts(int) - Method in class org.apache.hadoop.mapred.JobConf
专家:设置运行map任务的最大尝试次数。
setMaxMapAttempts(int) - Method in class org.apache.hadoop.mapreduce.Job
专家:设置运行map任务的最大尝试次数。
setMaxMapTaskFailuresPercent(int) - Method in class org.apache.hadoop.mapred.JobConf
专家:设置在不导致作业中止的情况下,Map任务允许失败的最大百分比。
setMaxPhysicalMemoryForTask(long) - Method in class org.apache.hadoop.mapred.JobConf
Deprecated.
setMaxReduceAttempts(int) - Method in class org.apache.hadoop.mapred.JobConf
专家:设置运行reduce任务的最大尝试次数。
setMaxReduceAttempts(int) - Method in class org.apache.hadoop.mapreduce.Job
专家:设置运行reduce任务时的最大尝试次数。
setMaxReduceTaskFailuresPercent(int) - Method in class org.apache.hadoop.mapred.JobConf
设置在不导致作业中止的情况下,reduce任务允许失败的最大百分比。
setMaxRelativeExpiryMs(Long) - Method in class org.apache.hadoop.hdfs.protocol.CachePoolInfo
设置此池中指令的最大相对过期时间(以毫秒为单位)。
setMaxRetries(int) - Method in class org.apache.hadoop.yarn.api.records.ContainerRetryContext
 
setMaxSplitSize(long) - Method in class org.apache.hadoop.mapreduce.lib.input.CombineFileInputFormat
指定每个分片的最大大小(以字节为单位)。
setMaxTaskFailuresPerTracker(int) - Method in class org.apache.hadoop.mapred.JobConf
设置最大编号
setMaxVirtualMemoryForTask(long) - Method in class org.apache.hadoop.mapred.JobConf
setMeanStatistic(String, MeanStatistic) - Method in interface org.apache.hadoop.fs.statistics.IOStatisticsSetters
将均值统计量设置为给定值。
setMeanStatistic(String, MeanStatistic) - Method in class org.apache.hadoop.fs.statistics.IOStatisticsSnapshot
 
setMemory(int) - Method in class org.apache.hadoop.yarn.api.records.Resource
Deprecated.
setMemory(String) - Method in class org.apache.hadoop.yarn.service.api.records.Resource
 
setMemoryForMapTask(long) - Method in class org.apache.hadoop.mapred.JobConf
 
setMemoryForReduceTask(long) - Method in class org.apache.hadoop.mapred.JobConf
 
setMemorySize(long) - Method in class org.apache.hadoop.yarn.api.records.Resource
Set memory of the resource.
setMessage(String) - Method in class org.apache.hadoop.mapreduce.lib.jobcontrol.ControlledJob
设置此作业的消息。
setMessage(String) - Method in class org.apache.hadoop.yarn.service.api.records.错误
 
setMessagePrefix(String) - Method in exception org.apache.hadoop.hdfs.protocol.NSQuotaExceededException
为错误消息设置前缀。
setMetrics(TreeMap) - Method in class org.apache.hadoop.mapreduce.lib.output.committer.manifest.files.ManifestSuccessData
 
setMetrics(Set) - Method in class org.apache.hadoop.yarn.api.records.timelineservice.TimelineEntity
 
setMinCardinality(Long) - Method in class org.apache.hadoop.yarn.service.api.records.PlacementConstraint
 
setMiniClusterMode(boolean) - Static method in enum org.apache.hadoop.metrics2.lib.DefaultMetricsSystem
 
setMinimum(String, long) - Method in interface org.apache.hadoop.fs.statistics.IOStatisticsSetters
设置最小值。
setMinimum(String, long) - Method in class org.apache.hadoop.fs.statistics.IOStatisticsSnapshot
 
setMinInputSplitSize(Job, long) - Static method in class org.apache.hadoop.mapreduce.lib.input.FileInputFormat
设置最小输入分片大小
setMinSplitSize(long) - Method in class org.apache.hadoop.mapred.FileInputFormat
 
setMinSplitSizeNode(long) - Method in class org.apache.hadoop.mapreduce.lib.input.CombineFileInputFormat
指定每个节点上每个分片的最小大小(以字节为单位)。
setMinSplitSizeRack(long) - Method in class org.apache.hadoop.mapreduce.lib.input.CombineFileInputFormat
指定每个机架上每个分片的最小大小(以字节为单位)。
setMockFileSystemForTesting(FileSystem) - Method in class org.apache.hadoop.fs.azure.WasbFsck
出于测试目的,在此设置要使用的文件系统,而不是依赖基于URI从FileSystem类获取。
setMode(FsPermission) - Method in class org.apache.hadoop.hdfs.protocol.CachePoolInfo
 
setModifiedTime(Long) - Method in class org.apache.hadoop.yarn.api.records.timeline.TimelineDomain
设置域的修改时间
setModifiedTime(Long) - Method in class org.apache.hadoop.yarn.api.records.timelineservice.TimelineDomain
设置域的修改时间。
setMonitorInterval(long) - Method in class org.apache.hadoop.yarn.util.AbstractLivelinessMonitor
 
setName(String) - Method in class org.apache.hadoop.mapreduce.lib.output.committer.manifest.files.ManifestSuccessData
 
setName(String) - Method in class org.apache.hadoop.yarn.api.records.timelineservice.FlowRunEntity
 
setName(String) - Method in class org.apache.hadoop.yarn.service.api.records.组件
 
setName(String) - Method in class org.apache.hadoop.yarn.service.api.records.PlacementConstraint
 
setName(String) - Method in class org.apache.hadoop.yarn.service.api.records.Service
 
setNames(String[]) - Method in class org.apache.hadoop.fs.BlockLocation
设置托管此块的名称(主机:端口)。
setNeededMem(int) - Method in class org.apache.hadoop.mapreduce.JobStatus
 
setNextExpirationTime(long) - Method in interface org.apache.hadoop.mapreduce.v2.api.protocolrecords.RenewDelegationTokenResponse
 
setNMToken(String, Token) - Static method in class org.apache.hadoop.yarn.client.api.NMTokenCache
Sets the NMToken for node address only in the singleton obtained from NMTokenCache.getSingleton().
setNMTokenCache(NMTokenCache) - Method in class org.apache.hadoop.yarn.client.api.AMRMClient
Set the NM token cache for the AMRMClient.
setNMTokenCache(NMTokenCache) - Method in class org.apache.hadoop.yarn.client.api.NMClient
Set the NM Token cache of the NMClient.
setNodeAttributes(Set) - Method in class org.apache.hadoop.yarn.api.protocolrecords.GetAttributesToNodesRequest
设置需要将主机名映射到属性值的节点attributeKeys。
setNodeAttributes(Set) - Method in class org.apache.hadoop.yarn.api.protocolrecords.GetClusterNodeAttributesResponse
将节点属性设置为响应。
setNodeAttributes(Set) - Method in class org.apache.hadoop.yarn.api.records.NodeReport
设置节点的节点属性。
setNodeAttributes(Map>) - Method in class org.apache.hadoop.yarn.service.api.records.PlacementConstraint
 
setNodeId(NodeId) - Method in class org.apache.hadoop.yarn.api.records.NMToken
 
setNodeLabelExpression(String) - Method in class org.apache.hadoop.yarn.api.records.ApplicationSubmissionContext
为此应用设置节点标签表达式
setNodeLabelExpression(String) - Method in class org.apache.hadoop.yarn.api.records.ResourceRequest
设置此资源请求的节点标签表达式。
setNodeLabelList(List) - Method in class org.apache.hadoop.yarn.api.protocolrecords.GetClusterNodeLabelsResponse
 
setNodeLabels(Set) - Method in class org.apache.hadoop.yarn.api.protocolrecords.GetClusterNodeLabelsResponse
setNodePartitions(List) - Method in class org.apache.hadoop.yarn.service.api.records.PlacementConstraint
 
setNodeStates(EnumSet) - Method in class org.apache.hadoop.yarn.api.protocolrecords.GetClusterNodesRequest
用于筛选集群节点的状态。
setNodeToAttributes(Map>) - Method in class org.apache.hadoop.yarn.api.protocolrecords.GetNodesToAttributesResponse
 
setNodeUpdateType(NodeUpdateType) - Method in class org.apache.hadoop.yarn.api.records.NodeReport
设置节点更新类型(null表示不存在节点更新类型)。
setNumActiveUsers(long) - Method in class org.apache.hadoop.yarn.api.records.QueueStatistics
设置活跃用户数量
setNumAllocations(int) - Method in class org.apache.hadoop.yarn.api.records.ResourceSizing
 
setNumAppsCompleted(long) - Method in class org.apache.hadoop.yarn.api.records.QueueStatistics
设置已完成应用的数量
setNumAppsFailed(long) - Method in class org.apache.hadoop.yarn.api.records.QueueStatistics
设置失败应用的数量
setNumAppsKilled(long) - Method in class org.apache.hadoop.yarn.api.records.QueueStatistics
设置被终止应用的数量
setNumAppsPending(long) - Method in class org.apache.hadoop.yarn.api.records.QueueStatistics
设置待处理应用的数量
setNumAppsRunning(long) - Method in class org.apache.hadoop.yarn.api.records.QueueStatistics
设置运行中的应用程序数量
setNumAppsSubmitted(long) - Method in class org.apache.hadoop.yarn.api.records.QueueStatistics
设置提交的应用数量
setNumberOfContainers(Long) - Method in class org.apache.hadoop.yarn.service.api.records.组件
 
setNumberOfRunningContainers(Long) - Method in class org.apache.hadoop.yarn.service.api.records.Service
 
setNumberOfThreads(Job, int) - Static method in class org.apache.hadoop.mapreduce.lib.map.MultithreadedMapper
设置运行映射任务的线程池中的线程数量。
setNumContainers(int) - Method in class org.apache.hadoop.yarn.api.records.ReservationRequest
设置具有给定规格所需的容器数量
setNumContainers(int) - Method in class org.apache.hadoop.yarn.api.records.ResourceRequest
设置具有给定规格所需的容器数量
setNumInfo(MetricsInfo) - Method in class org.apache.hadoop.metrics2.lib.MutableQuantiles
设置有关指标的详细信息。
setNumLinesPerSplit(Job, int) - Static method in class org.apache.hadoop.mapreduce.lib.input.NLineInputFormat
设置每个分块的行数
setNumMapTasks(int) - Method in class org.apache.hadoop.mapred.JobConf
设置此作业的map任务数量。
setNumReduceTasks(int) - Method in class org.apache.hadoop.mapred.JobConf
设置此作业所需的reduce任务数量。
setNumReduceTasks(int) - Method in class org.apache.hadoop.mapreduce.Job
设置作业的reduce任务数量。
setNumReservedSlots(int) - Method in class org.apache.hadoop.mapreduce.JobStatus
 
setNumTasksToExecutePerJvm(int) - Method in class org.apache.hadoop.mapred.JobConf
设置一个衍生任务JVM在退出前应运行的任务数量
setNumUsedSlots(int) - Method in class org.apache.hadoop.mapreduce.JobStatus
 
setOffset(long) - Method in class org.apache.hadoop.fs.BlockLocation
设置与此块关联的文件的起始偏移量。
setOffsets(Configuration, int, int) - Static method in class org.apache.hadoop.mapreduce.lib.partition.BinaryPartitioner
Set the subarray to be used for partitioning to bytes[left:(right+1)] in Python syntax.
setOtherInfo(Map) - Method in class org.apache.hadoop.yarn.api.records.timeline.TimelineEntity
将其他信息映射设置为给定的其他信息映射
setOutput(JobConf, String, String...) - Static method in class org.apache.hadoop.mapred.lib.db.DBOutputFormat
使用适当的输出设置初始化作业的reduce部分
setOutput(JobConf, String, int) - Static method in class org.apache.hadoop.mapred.lib.db.DBOutputFormat
使用适当的输出设置初始化作业的reduce部分
setOutput(Job, String, String...) - Static method in class org.apache.hadoop.mapreduce.lib.db.DBOutputFormat
使用适当的输出设置初始化作业的reduce部分
setOutput(Job, String, int) - Static method in class org.apache.hadoop.mapreduce.lib.db.DBOutputFormat
使用适当的输出设置初始化作业的reduce部分
setOutputCommitter(Class) - Method in class org.apache.hadoop.mapred.JobConf
Set the OutputCommitter implementation for the map-reduce job.
setOutputCompressionType(JobConf, SequenceFile.CompressionType) - Static method in class org.apache.hadoop.mapred.SequenceFileOutputFormat
Set the SequenceFile.CompressionType for the output SequenceFile.
setOutputCompressionType(Job, SequenceFile.CompressionType) - Static method in class org.apache.hadoop.mapreduce.lib.output.SequenceFileOutputFormat
Set the SequenceFile.CompressionType for the output SequenceFile.
setOutputCompressorClass(JobConf, Class) - Static method in class org.apache.hadoop.mapred.FileOutputFormat
Set the CompressionCodec to be used to compress job outputs.
setOutputCompressorClass(Job, Class) - Static method in class org.apache.hadoop.mapreduce.lib.output.FileOutputFormat
Set the CompressionCodec to be used to compress job outputs.
setOutputFieldCount(int) - Method in class org.apache.hadoop.mapreduce.lib.db.DBConfiguration
 
setOutputFieldNames(String...) - Method in class org.apache.hadoop.mapreduce.lib.db.DBConfiguration
 
setOutputFormat(Class) - Method in class org.apache.hadoop.mapred.JobConf
Set the OutputFormat implementation for the map-reduce job.
setOutputFormatClass(JobConf, Class) - Static method in class org.apache.hadoop.mapred.lib.LazyOutputFormat
为LazyOutputFormat设置底层输出格式。
setOutputFormatClass(Class) - Method in class org.apache.hadoop.mapreduce.Job
Set the OutputFormat for the job.
setOutputFormatClass(Job, Class) - Static method in class org.apache.hadoop.mapreduce.lib.output.LazyOutputFormat
为LazyOutputFormat设置底层输出格式。
setOutputKeyClass(Class) - Method in class org.apache.hadoop.mapred.JobConf
设置作业输出数据的键类。
setOutputKeyClass(Class) - Method in class org.apache.hadoop.mapreduce.Job
设置作业输出数据的键类。
setOutputKeyComparatorClass(Class) - Method in class org.apache.hadoop.mapred.JobConf
Set the RawComparator comparator used to compare keys.
setOutputName(JobContext, String) - Static method in class org.apache.hadoop.mapreduce.lib.output.FileOutputFormat
设置要创建的输出文件的基础输出名称。
setOutputPath(JobConf, Path) - Static method in class org.apache.hadoop.mapred.FileOutputFormat
Set the Path of the output directory for the map-reduce job.
setOutputPath(Job, Path) - Static method in class org.apache.hadoop.mapreduce.lib.output.FileOutputFormat
Set the Path of the output directory for the map-reduce job.
setOutputTableName(String) - Method in class org.apache.hadoop.mapreduce.lib.db.DBConfiguration
 
setOutputValueClass(Class) - Method in class org.apache.hadoop.mapred.JobConf
设置作业输出的值类。
setOutputValueClass(Class) - Method in class org.apache.hadoop.mapreduce.Job
设置作业输出的值类。
setOutputValueGroupingComparator(Class) - Method in class org.apache.hadoop.mapred.JobConf
Set the user defined RawComparator comparator for grouping keys in the input to the reduce.
setOwner(Path, String, String) - Method in class org.apache.hadoop.fs.AbstractFileSystem
The specification of this method matches that of FileContext.setOwner(Path, String, String) except that Path f must be for this file system.
setOwner(Path, String, String) - Method in class org.apache.hadoop.fs.adl.AdlFileSystem
设置路径的所有者(即
setOwner(Path, String, String) - Method in class org.apache.hadoop.fs.azure.NativeAzureFileSystem
 
setOwner(Path, String, String, TracingContext) - Method in class org.apache.hadoop.fs.azurebfs.AzureBlobFileSystemStore
 
setOwner(Path, String, String) - Method in class org.apache.hadoop.fs.ChecksumFileSystem
 
setOwner(Path, String, String) - Method in class org.apache.hadoop.fs.FileContext
设置路径的所有者(即
setOwner(String) - Method in class org.apache.hadoop.fs.FileStatus
设置所有者。
setOwner(Path, String, String) - Method in class org.apache.hadoop.fs.FileSystem
设置路径的所有者(即
setOwner(File, String, String) - Static method in class org.apache.hadoop.fs.FileUtil
设置文件/目录的所有权。
setOwner(Path, String, String) - Method in class org.apache.hadoop.fs.FilterFileSystem
 
setOwner(Path, String, String) - Method in class org.apache.hadoop.fs.RawLocalFileSystem
使用chown命令设置所有者。
setOwner(Path, String, String) - Method in class org.apache.hadoop.fs.viewfs.ViewFileSystem
 
setOwner(Path, String, String) - Method in class org.apache.hadoop.fs.viewfs.ViewFs
 
setOwner(Text) - Method in class org.apache.hadoop.security.token.delegation.AbstractDelegationTokenIdentifier
 
setOwner(String) - Method in class org.apache.hadoop.yarn.api.records.timeline.TimelineDomain
设置域所有者。
setOwner(String) - Method in class org.apache.hadoop.yarn.api.records.timelineservice.TimelineDomain
设置域所有者。
setOwnerName(String) - Method in class org.apache.hadoop.hdfs.protocol.CachePoolInfo
 
setParent(TimelineEntity.Identifier) - Method in class org.apache.hadoop.yarn.api.records.timelineservice.HierarchicalTimelineEntity
 
setParent(String, String) - Method in class org.apache.hadoop.yarn.api.records.timelineservice.HierarchicalTimelineEntity
 
setPartitionerClass(Class) - Method in class org.apache.hadoop.mapred.JobConf
Set the Partitioner class used to partition Mapper-outputs to be sent to the Reducers.
setPartitionerClass(Class) - Method in class org.apache.hadoop.mapreduce.Job
Set the Partitioner for the job.
setPartitionFile(JobConf, Path) - Static method in class org.apache.hadoop.mapred.lib.TotalOrderPartitioner
setPartitionFile(Configuration, Path) - Static method in class org.apache.hadoop.mapreduce.lib.partition.TotalOrderPartitioner
设置存储已排序分区键集的SequenceFile路径。
setPassword(byte[]) - Method in class org.apache.hadoop.security.token.Token
 
setPath(Path) - Method in class org.apache.hadoop.fs.FileStatus
 
setPath(String) - Method in class org.apache.hadoop.yarn.api.protocolrecords.UseSharedCacheResourceResponse
Set the Path corresponding to a resource in the shared cache.
setPathName(String) - Method in exception org.apache.hadoop.hdfs.protocol.QuotaExceededException
 
setPathProperties(Path, Hashtable, TracingContext) - Method in class org.apache.hadoop.fs.azurebfs.AzureBlobFileSystemStore
 
setPattern(String, Pattern) - Method in class org.apache.hadoop.conf.配置
Set the given property to Pattern.
setPattern(String) - Method in class org.apache.hadoop.yarn.api.records.LocalResource
Set the pattern that should be used to extract entries from the archive (only used when type is PATTERN).
setPendingContainers(long) - Method in class org.apache.hadoop.yarn.api.records.QueueStatistics
设置待处理容器的数量。
setPendingMemoryMB(long) - Method in class org.apache.hadoop.yarn.api.records.QueueStatistics
设置待处理内存大小(单位:MB)
setPendingVCores(long) - Method in class org.apache.hadoop.yarn.api.records.QueueStatistics
设置待处理的虚拟核心数
setPermission(Path, FsPermission) - Method in class org.apache.hadoop.fs.AbstractFileSystem
The specification of this method matches that of FileContext.setPermission(Path, FsPermission) except that Path f must be for this file system.
setPermission(Path, FsPermission) - Method in class org.apache.hadoop.fs.adl.AdlFileSystem
设置路径的权限。
setPermission(Path, FsPermission) - Method in class org.apache.hadoop.fs.azure.NativeAzureFileSystem
 
setPermission(Path, FsPermission, TracingContext) - Method in class org.apache.hadoop.fs.azurebfs.AzureBlobFileSystemStore
 
setPermission(Path, FsPermission) - Method in class org.apache.hadoop.fs.ChecksumFileSystem
 
setPermission(Path, FsPermission) - Method in class org.apache.hadoop.fs.FileContext
设置路径的权限。
setPermission(FsPermission) - Method in class org.apache.hadoop.fs.FileStatus
设置权限。
setPermission(Path, FsPermission) - Method in class org.apache.hadoop.fs.FileSystem
设置路径的权限。
setPermission(File, FsPermission) - Static method in class org.apache.hadoop.fs.FileUtil
将权限设置为所需值。
setPermission(Path, FsPermission) - Method in class org.apache.hadoop.fs.FilterFileSystem
 
setPermission(Path, FsPermission) - Method in class org.apache.hadoop.fs.RawLocalFileSystem
使用chmod命令设置权限。
setPermission(Path, FsPermission) - Method in class org.apache.hadoop.fs.viewfs.ViewFileSystem
 
setPermission(Path, FsPermission) - Method in class org.apache.hadoop.fs.viewfs.ViewFs
 
setPhysicalMemory(int) - Method in class org.apache.hadoop.yarn.api.records.ResourceUtilization
Set physical memory.
setPingInterval(Configuration, int) - Static method in class org.apache.hadoop.ipc.Client
在配置中设置ping间隔值
setPlacementConstraint(PlacementConstraint) - Method in class org.apache.hadoop.yarn.api.records.SchedulingRequest
 
setPlacementConstraints(Map, PlacementConstraint>) - Method in class org.apache.hadoop.yarn.api.protocolrecords.RegisterApplicationMasterRequest
Set Placement Constraints applicable to the SchedulingRequests of this application.
setPlacementPolicy(PlacementPolicy) - Method in class org.apache.hadoop.yarn.service.api.records.组件
 
setPort(int) - Method in class org.apache.hadoop.yarn.api.records.URL
设置URL的端口
setPrimaryFilters(Map>) - Method in class org.apache.hadoop.yarn.api.records.timeline.TimelineEntity
将主过滤器映射设置为给定的主过滤器映射
setPrincipal(String) - Method in exception org.apache.hadoop.security.KerberosAuthException
 
setPrincipalName(String) - Method in class org.apache.hadoop.yarn.service.api.records.KerberosPrincipal
 
setPriority(JobPriority) - Method in class org.apache.hadoop.mapreduce.Job
设置正在运行作业的优先级。
setPriority(JobPriority) - Method in class org.apache.hadoop.mapreduce.JobStatus
设置作业的优先级,默认为NORMAL。
setPriority(Priority) - Method in class org.apache.hadoop.yarn.api.records.ContainerReport
 
setPriority(int) - Method in class org.apache.hadoop.yarn.api.records.优先级
设置分配的优先级
setPriority(Priority) - Method in class org.apache.hadoop.yarn.api.records.ReservationDefinition
设置此预订的优先级。
setPriority(Priority) - Method in class org.apache.hadoop.yarn.api.records.ResourceRequest
Set the Priority of the request
setPriority(Priority) - Method in class org.apache.hadoop.yarn.api.records.SchedulingRequest
 
setPriorityAsInteger(int) - Method in class org.apache.hadoop.mapreduce.Job
设置正在运行作业的优先级。
setPrivilegedContainer(Boolean) - Method in class org.apache.hadoop.yarn.service.api.records.Container
 
setProducer(Producer) - Method in class org.apache.hadoop.metrics2.sink.KafkaSink
 
setProfile(String) - Method in class org.apache.hadoop.yarn.service.api.records.Resource
 
setProfileEnabled(boolean) - Method in class org.apache.hadoop.mapred.JobConf
设置系统是否应为此作业中的某些任务收集性能分析信息?这些信息将存储在用户日志目录中。
setProfileEnabled(boolean) - Method in class org.apache.hadoop.mapreduce.Job
设置系统是否应为此作业中的某些任务收集性能分析信息?这些信息将存储在用户日志目录中。
setProfileName(String) - Method in class org.apache.hadoop.yarn.api.protocolrecords.GetResourceProfileRequest
 
setProfileParams(String) - Method in class org.apache.hadoop.mapred.JobConf
设置性能分析器的配置参数。
setProfileParams(String) - Method in class org.apache.hadoop.mapreduce.Job
设置性能分析器的配置参数。
setProfileTaskRange(boolean, String) - Method in class org.apache.hadoop.mapred.JobConf
设置要分析的map或reduce的范围。
setProfileTaskRange(boolean, String) - Method in class org.apache.hadoop.mapreduce.Job
设置要分析的map或reduce的范围。
setProgress(float) - Method in class org.apache.hadoop.yarn.api.protocolrecords.AllocateRequest
Set the current progress of application
setProperties(Properties) - Method in class org.apache.hadoop.mapreduce.QueueInfo
 
setProperties(Map) - Method in class org.apache.hadoop.yarn.service.api.records.ConfigFile
 
setProperties(Map) - Method in class org.apache.hadoop.yarn.service.api.records.配置
 
setProperties(Map) - Method in class org.apache.hadoop.yarn.service.api.records.ReadinessCheck
 
setProperty(String, String) - Method in class org.apache.hadoop.yarn.service.api.records.配置
 
setQuantileInfos(int) - Method in class org.apache.hadoop.metrics2.lib.MutableQuantiles
初始化quantileInfos数组。
setQueue(String) - Method in class org.apache.hadoop.mapreduce.JobStatus
设置队列名称
setQueue(String) - Method in class org.apache.hadoop.yarn.api.protocolrecords.RegisterApplicationMasterResponse
设置应用程序被分配到的队列。
setQueue(String) - Method in class org.apache.hadoop.yarn.api.protocolrecords.ReservationListRequest
设置用于查找资源分配的队列名称。
setQueue(String) - Method in class org.apache.hadoop.yarn.api.protocolrecords.ReservationSubmissionRequest
Set the name of the Plan that corresponds to the name of the QueueInfo in the scheduler to which the reservation will be submitted to
setQueue(String) - Method in class org.apache.hadoop.yarn.api.records.ApplicationSubmissionContext
Set the queue to which the application is being submitted
setQueue(String) - Method in class org.apache.hadoop.yarn.api.records.timelineservice.ApplicationEntity
 
setQueue(String) - Method in class org.apache.hadoop.yarn.service.api.records.Service
 
setQueueChildren(List) - Method in class org.apache.hadoop.mapreduce.QueueInfo
 
setQueueName(String) - Method in class org.apache.hadoop.mapred.JobConf
设置此作业应提交到的队列名称。
setQueueName(String) - Method in class org.apache.hadoop.mapreduce.QueueAclsInfo
 
setQueueName(String) - Method in class org.apache.hadoop.mapreduce.QueueInfo
设置JobQueueInfo的队列名称
setQueueName(String) - Method in class org.apache.hadoop.yarn.api.protocolrecords.GetQueueInfoRequest
Set the queue name for which to get queue information
setQueueStatistics(QueueStatistics) - Method in class org.apache.hadoop.yarn.api.records.QueueInfo
设置队列的队列统计信息
setQuicklinks(List) - Method in class org.apache.hadoop.yarn.service.api.records.组件
 
setQuicklinks(Map) - Method in class org.apache.hadoop.yarn.service.api.records.Service
 
setQuietMode(boolean) - Method in class org.apache.hadoop.conf.配置
设置静默模式。
setQuota(Path, long, long) - Method in class org.apache.hadoop.fs.FileSystem
Set quota for the given Path.
setQuota(long) - Method in class org.apache.hadoop.fs.QuotaUsage
 
setQuota(Path, long) - Method in class org.apache.hadoop.hdfs.client.HdfsAdmin
为目录设置命名空间配额(文件、目录和符号链接的数量)。
setQuotaByStorageType(Path, StorageType, long) - Method in class org.apache.hadoop.fs.FileSystem
Set per storage type quota for the given Path.
setQuotaByStorageType(Path, StorageType, long) - Method in class org.apache.hadoop.hdfs.client.HdfsAdmin
为目录设置按存储类型分配的配额。
setReadable(File, boolean) - Static method in class org.apache.hadoop.fs.FileUtil
Platform independent implementation for File.setReadable(boolean) File#setReadable does not work as expected on Windows.
setReadahead(Long) - Method in interface org.apache.hadoop.fs.CanSetReadahead
设置此流的预读取。
setReadahead(Long) - Method in class org.apache.hadoop.fs.FSDataInputStream
 
setReaders(String) - Method in class org.apache.hadoop.yarn.api.records.timeline.TimelineDomain
设置读取器(和/或读取器组)列表字符串
setReaders(String) - Method in class org.apache.hadoop.yarn.api.records.timelineservice.TimelineDomain
设置读取器(和/或读取器组)列表字符串。
setReadinessCheck(ReadinessCheck) - Method in class org.apache.hadoop.yarn.service.api.records.组件
 
setRealtimeAggregationOp(TimelineMetricOperation) - Method in class org.apache.hadoop.yarn.api.records.timelineservice.TimelineMetric
设置该指标的实时聚合操作。
setRealUser(Text) - Method in class org.apache.hadoop.security.token.delegation.AbstractDelegationTokenIdentifier
 
setReason(RejectionReason) - Method in class org.apache.hadoop.yarn.api.records.RejectedSchedulingRequest
设置拒绝原因。
setReason(String) - Method in class org.apache.hadoop.yarn.api.records.UpdateContainerError
设置更新请求无法满足的原因。
setRecordLength(Configuration, int) - Static method in class org.apache.hadoop.mapred.FixedLengthInputFormat
设置每条记录的长度
setRecordLength(Configuration, int) - Static method in class org.apache.hadoop.mapreduce.lib.input.FixedLengthInputFormat
设置每条记录的长度
setRecordValidityMs(long) - Method in class org.apache.hadoop.metrics2.lib.MutableRollingAverages
仅用于测试。
setRecurrenceExpression(String) - Method in class org.apache.hadoop.yarn.api.records.ReservationDefinition
设置此预订的重复周期,表示周期性作业的时间段。
setRecursive(boolean) - Method in class org.apache.hadoop.yarn.api.protocolrecords.GetQueueInfoRequest
Should we fetch information on the entire child queue hierarchy?
setReduceDebugScript(String) - Method in class org.apache.hadoop.mapred.JobConf
设置当reduce任务失败时要运行的调试脚本。
setReduceProgress(float) - Method in class org.apache.hadoop.mapred.JobStatus
设置此作业的reduce进度
setReduceProgress(float) - Method in class org.apache.hadoop.mapreduce.JobStatus
设置此作业的reduce进度
setReducer(JobConf, Class>, Class, Class, Class, Class, boolean, JobConf) - Static method in class org.apache.hadoop.mapred.lib.ChainReducer
将Reducer类设置为链式作业的JobConf。
setReducer(Job, Class, Class, Class, Class, Class, Configuration) - Static method in class org.apache.hadoop.mapreduce.lib.chain.ChainReducer
Sets the Reducer class to the chain job.
setReducerClass(Class) - Method in class org.apache.hadoop.mapred.JobConf
Set the Reducer class for the job.
setReducerClass(Class) - Method in class org.apache.hadoop.mapreduce.Job
Set the Reducer for the job.
setReducerMaxSkipGroups(Configuration, long) - Static method in class org.apache.hadoop.mapred.SkipBadRecords
设置每个坏组在reducer中可接受的周围跳过组的数量。
setReduceSpeculativeExecution(boolean) - Method in class org.apache.hadoop.mapred.JobConf
为该作业的reduce任务开启或关闭推测执行。
setReduceSpeculativeExecution(boolean) - Method in class org.apache.hadoop.mapreduce.Job
为该作业的reduce任务开启或关闭推测执行。
setRelatedEntities(Map>) - Method in class org.apache.hadoop.yarn.api.records.timeline.TimelineEntity
将相关实体映射设置为给定的相关实体映射
setRelatesToEntities(Map>) - Method in class org.apache.hadoop.yarn.api.records.timelineservice.TimelineEntity
 
setRelaxLocality(boolean) - Method in class org.apache.hadoop.yarn.api.records.ResourceRequest
对于网络层次级别的请求,设置是否可以从该级别及更高级别放宽本地性要求。
setReleaseList(List) - Method in class org.apache.hadoop.yarn.api.protocolrecords.AllocateRequest
Set the list of ContainerId of containers being released by the ApplicationMaster
setRemainingTime(long) - Method in class org.apache.hadoop.yarn.api.records.ApplicationTimeout
Set Remaining Time of an application for given timeout type.
setRenewer(String) - Method in interface org.apache.hadoop.mapreduce.v2.api.protocolrecords.GetDelegationTokenRequest
 
setRenewer(Text) - Method in class org.apache.hadoop.security.token.delegation.AbstractDelegationTokenIdentifier
 
setRenewer(String) - Method in class org.apache.hadoop.yarn.api.protocolrecords.GetDelegationTokenRequest
 
setReplication(Path, short) - Method in class org.apache.hadoop.fs.AbstractFileSystem
The specification of this method matches that of FileContext.setReplication(Path, short) except that Path f must be for this file system.
setReplication(Path, short) - Method in class org.apache.hadoop.fs.adl.AdlFileSystem
Azure数据湖不支持用户配置数据复制 因此系统无法在 Azure数据湖上进行查询。
setReplication(Path, short) - Method in class org.apache.hadoop.fs.ChecksumFileSystem
为现有文件设置副本数。
setReplication(Path, short) - Method in class org.apache.hadoop.fs.FileContext
为现有文件设置副本数。
setReplication(Path, short) - Method in class org.apache.hadoop.fs.FileSystem
为现有文件设置副本数。
setReplication(Path, short) - Method in class org.apache.hadoop.fs.FilterFileSystem
为现有文件设置副本数。
setReplication(Path, short) - Method in class org.apache.hadoop.fs.viewfs.ViewFileSystem
 
setReplication(Path, short) - Method in class org.apache.hadoop.fs.viewfs.ViewFs
 
setRequest(SchedulingRequest) - Method in class org.apache.hadoop.yarn.api.records.RejectedSchedulingRequest
设置调度请求。
setReservationDefinition(ReservationDefinition) - Method in class org.apache.hadoop.yarn.api.protocolrecords.ReservationSubmissionRequest
Set the ReservationDefinition representing the user constraints for this reservation
setReservationDefinition(ReservationDefinition) - Method in class org.apache.hadoop.yarn.api.protocolrecords.ReservationUpdateRequest
Set the ReservationDefinition representing the updated user constraints for this reservation
setReservationId(ReservationId) - Method in class org.apache.hadoop.mapreduce.Job
设置作业提交到的资源预留
setReservationId(ReservationId) - Method in class org.apache.hadoop.yarn.api.protocolrecords.ReservationDeleteRequest
Set the ReservationId, that correspond to a valid resource allocation in the scheduler (between start and end time of this reservation)
setReservationId(String) - Method in class org.apache.hadoop.yarn.api.protocolrecords.ReservationListRequest
设置用于查找预留的预留ID。
setReservationId(ReservationId) - Method in class org.apache.hadoop.yarn.api.protocolrecords.ReservationSubmissionRequest
设置与预留提交对应的预留ID。
setReservationId(ReservationId) - Method in class org.apache.hadoop.yarn.api.protocolrecords.ReservationUpdateRequest
Set the ReservationId, that correspond to a valid resource allocation in the scheduler (between start and end time of this reservation)
setReservationID(ReservationId) - Method in class org.apache.hadoop.yarn.api.records.ApplicationSubmissionContext
设置预留ID,该ID对应于调度程序中有效的资源分配(在对应预留的开始和结束时间之间)
setReservationName(String) - Method in class org.apache.hadoop.yarn.api.records.ReservationDefinition
设置此预订的名称。
setReservationRequests(ReservationRequests) - Method in class org.apache.hadoop.yarn.api.records.ReservationDefinition
Set the list of ReservationRequests representing the resources required by the application
setReservationResources(List) - Method in class org.apache.hadoop.yarn.api.records.ReservationRequests
Set the list of ReservationRequest representing the resources required by the application
setReservedContainers(long) - Method in class org.apache.hadoop.yarn.api.records.QueueStatistics
设置保留容器的数量。
setReservedMem(int) - Method in class org.apache.hadoop.mapreduce.JobStatus
 
setReservedMemoryMB(long) - Method in class org.apache.hadoop.yarn.api.records.QueueStatistics
设置保留内存大小(单位:MB)
setReservedVCores(long) - Method in class org.apache.hadoop.yarn.api.records.QueueStatistics
设置保留的虚拟核心数
setResetTimeOnStart(boolean) - Method in class org.apache.hadoop.yarn.util.AbstractLivelinessMonitor
 
setResource(Resource) - Method in class org.apache.hadoop.yarn.api.protocolrecords.GetResourceProfileResponse
设置在使用该配置文件时将分配的资源。
setResource(Resource) - Method in class org.apache.hadoop.yarn.api.records.ApplicationSubmissionContext
Set the resource required by the ApplicationMaster for this application.
setResource(URL) - Method in class org.apache.hadoop.yarn.api.records.LocalResource
Set location of the resource to be localized.
setResource(Resource) - Method in class org.apache.hadoop.yarn.service.api.records.组件
 
setResource(Resource) - Method in class org.apache.hadoop.yarn.service.api.records.Container
 
setResource(Resource) - Method in class org.apache.hadoop.yarn.service.api.records.Service
 
setResourceBlacklistRequest(ResourceBlacklistRequest) - Method in class org.apache.hadoop.yarn.api.protocolrecords.AllocateRequest
Set the ResourceBlacklistRequest to inform the ResourceManager about the blacklist additions and removals per the ApplicationMaster.
setResourceInformation(String, ResourceInformation) - Method in class org.apache.hadoop.yarn.api.records.Resource
为特定资源设置ResourceInformation对象。
setResourceInformations(Map) - Method in class org.apache.hadoop.yarn.service.api.records.Resource
 
setResourceKey(String) - Method in class org.apache.hadoop.yarn.api.protocolrecords.ReleaseSharedCacheResourceRequest
Set the key of the resource to be released.
setResourceKey(String) - Method in class org.apache.hadoop.yarn.api.protocolrecords.UseSharedCacheResourceRequest
Set the key of the resource to be used.
setResourceName(String) - Method in class org.apache.hadoop.yarn.api.records.ResourceRequest
设置资源名称(例如
setResourceProfiles(Map) - Method in class org.apache.hadoop.yarn.api.protocolrecords.GetAllResourceProfilesResponse
 
setResources(ResourceInformation[]) - Method in class org.apache.hadoop.yarn.api.records.Resource
 
setResources(Resource) - Method in class org.apache.hadoop.yarn.api.records.ResourceSizing
 
setResourceSizing(ResourceSizing) - Method in class org.apache.hadoop.yarn.api.records.SchedulingRequest
 
setResourceTypeInfo(List) - Method in class org.apache.hadoop.yarn.api.protocolrecords.GetAllResourceTypeInfoResponse
 
setResourceValue(String, long) - Method in class org.apache.hadoop.yarn.api.records.Resource
设置ResourceInformation对象中某个资源的值。
setResponseId(int) - Method in class org.apache.hadoop.yarn.api.protocolrecords.AllocateRequest
Set the response id used to track duplicate responses.
setRestartPolicy(Component.RestartPolicyEnum) - Method in class org.apache.hadoop.yarn.service.api.records.组件
 
setRestrictSystemProperties(boolean) - Method in class org.apache.hadoop.conf.配置
 
setRestrictSystemPropertiesDefault(boolean) - Static method in class org.apache.hadoop.conf.配置
 
setRestrictSystemProps(boolean) - Method in class org.apache.hadoop.conf.配置
 
setRetired() - Method in class org.apache.hadoop.mapred.JobStatus
将作业退休标志设置为true。
setRetired() - Method in class org.apache.hadoop.mapreduce.JobStatus
将作业退休标志设置为true。
setRetryInterval(int) - Method in class org.apache.hadoop.yarn.api.records.ContainerRetryContext
 
setRetryPolicy(ContainerRetryPolicy) - Method in class org.apache.hadoop.yarn.api.records.ContainerRetryContext
 
setRightOffset(Configuration, int) - Static method in class org.apache.hadoop.mapreduce.lib.partition.BinaryPartitioner
Set the subarray to be used for partitioning to bytes[:(offset+1)] in Python syntax.
setRMClusterId(String) - Method in class org.apache.hadoop.yarn.api.records.ApplicationReport
 
setRolledLogsExcludePattern(String) - Method in class org.apache.hadoop.yarn.api.records.LogAggregationContext
以滚动方式设置排除模式。
setRolledLogsIncludePattern(String) - Method in class org.apache.hadoop.yarn.api.records.LogAggregationContext
以滚动方式设置包含模式。
setRpcPort(int) - Method in class org.apache.hadoop.yarn.api.protocolrecords.RegisterApplicationMasterRequest
Set the RPC port on which the ApplicationMaster is responding.
setRunId(long) - Method in class org.apache.hadoop.yarn.api.records.timelineservice.FlowRunEntity
 
setRunningTaskAttempts(Collection) - Method in class org.apache.hadoop.mapred.TaskReport
设置任务的运行尝试次数。
setRunPrivilegedContainer(Boolean) - Method in class org.apache.hadoop.yarn.service.api.records.组件
 
setSamples(long) - Method in class org.apache.hadoop.fs.statistics.MeanStatistic
设置样本数量。
setSamplesAndSum(long, long) - Method in class org.apache.hadoop.fs.statistics.MeanStatistic
设置总和与样本数。
setSchedulingInfo(String) - Method in class org.apache.hadoop.mapreduce.JobStatus
用于设置与特定Job关联的调度信息。
setSchedulingInfo(String) - Method in class org.apache.hadoop.mapreduce.QueueInfo
设置与特定作业队列关联的调度信息
setSchedulingRequests(List) - Method in class org.apache.hadoop.yarn.api.protocolrecords.AllocateRequest
Set the list of Scheduling requests to inform the ResourceManager about the application's resource requirements (potentially including allocation tags and placement constraints).
setScheme(String) - Method in class org.apache.hadoop.yarn.api.records.URL
设置URL的方案
setScope(PlacementScope) - Method in class org.apache.hadoop.yarn.service.api.records.PlacementConstraint
 
setSequenceFileOutputKeyClass(JobConf, Class) - Static method in class org.apache.hadoop.mapred.SequenceFileAsBinaryOutputFormat
Set the key class for the SequenceFile
setSequenceFileOutputKeyClass(Job, Class) - Static method in class org.apache.hadoop.mapreduce.lib.output.SequenceFileAsBinaryOutputFormat
Set the key class for the SequenceFile
setSequenceFileOutputValueClass(JobConf, Class) - Static method in class org.apache.hadoop.mapred.SequenceFileAsBinaryOutputFormat
Set the value class for the SequenceFile
setSequenceFileOutputValueClass(Job, Class) - Static method in class org.apache.hadoop.mapreduce.lib.output.SequenceFileAsBinaryOutputFormat
Set the value class for the SequenceFile
setSequenceNumber(int) - Method in class org.apache.hadoop.security.token.delegation.AbstractDelegationTokenIdentifier
 
setService(Text) - Method in class org.apache.hadoop.security.token.Token
设置令牌预期使用的服务。
setServiceData(Map) - Method in class org.apache.hadoop.yarn.api.records.ContainerLaunchContext
Set application-specific binary service data.
setSessionId(String) - Method in class org.apache.hadoop.mapred.JobConf
Deprecated.
setSessionTimeZone(Configuration, Connection) - Static method in class org.apache.hadoop.mapreduce.lib.db.OracleDBRecordReader
设置会话时区
setSetupProgress(float) - Method in class org.apache.hadoop.mapred.JobStatus
设置此作业的设置进度
setSetupProgress(float) - Method in class org.apache.hadoop.mapreduce.JobStatus
设置此作业的设置进度
setShouldBeUploadedToSharedCache(boolean) - Method in class org.apache.hadoop.yarn.api.records.LocalResource
通知NM是否需要上传到SCM。
setShouldRenewImmediatelyForTests(boolean) - Static method in class org.apache.hadoop.security.UserGroupInformation
出于单元测试的目的,我们需要测试从密钥表登录的功能,并且不希望等待续订窗口(由TICKET_RENEW_WINDOW控制)。
setSize(int) - Method in class org.apache.hadoop.io.BytesWritable
更改缓冲区的大小。
setSize(long) - Method in class org.apache.hadoop.yarn.api.records.LocalResource
Set the size of the resource to be localized.
setSkipOutputPath(JobConf, Path) - Static method in class org.apache.hadoop.mapred.SkipBadRecords
设置用于写入跳过记录的目录。
setSocketAddr(String, InetSocketAddress) - Method in class org.apache.hadoop.conf.配置
Set the socket address for the name property as a host:port.
setSocketSendBufSize(int) - Method in class org.apache.hadoop.ipc.Server
设置用于响应RPC调用的套接字缓冲区大小。
setSortComparatorClass(Class) - Method in class org.apache.hadoop.mapreduce.Job
Define the comparator that controls how the keys are sorted before they are passed to the Reducer.
setSpaceConsumed(long) - Method in class org.apache.hadoop.fs.QuotaUsage
 
setSpaceQuota(long) - Method in class org.apache.hadoop.fs.QuotaUsage
 
setSpaceQuota(Path, long) - Method in class org.apache.hadoop.hdfs.client.HdfsAdmin
为目录设置存储空间配额(文件大小)。
setSpeculativeExecution(boolean) - Method in class org.apache.hadoop.mapred.JobConf
为此任务开启或关闭推测执行。
setSpeculativeExecution(boolean) - Method in class org.apache.hadoop.mapreduce.Job
为此任务开启或关闭推测执行。
setSrcFile(String) - Method in class org.apache.hadoop.yarn.service.api.records.ConfigFile
 
setSslConfiguration(ZKClientConfig, SecurityUtil.TruststoreKeystore) - Static method in class org.apache.hadoop.security.SecurityUtil
配置ZooKeeper客户端使用SSL/TLS连接。
setSslConfiguration(ZKClientConfig, SecurityUtil.TruststoreKeystore, ClientX509Util) - Static method in class org.apache.hadoop.security.SecurityUtil
 
setStart(long) - Method in class org.apache.hadoop.io.compress.SplitCompressionInputStream
 
setStartContainerRequests(List) - Method in class org.apache.hadoop.yarn.api.protocolrecords.StartContainersRequest
Set a list of StartContainerRequest to start containers.
setStartTime(long) - Method in class org.apache.hadoop.mapred.JobStatus
设置任务的开始时间
setStartTime(long) - Method in class org.apache.hadoop.mapred.TaskReport
设置任务的开始时间。
setStartTime(long) - Method in class org.apache.hadoop.mapreduce.JobStatus
设置任务的开始时间
setStartTime(long) - Method in class org.apache.hadoop.yarn.api.protocolrecords.ReservationListRequest
设置用于搜索预订的开始时间。
setStartTime(Long) - Method in class org.apache.hadoop.yarn.api.records.timeline.TimelineEntity
设置实体的开始时间
setStartTime(long) - Method in class org.apache.hadoop.yarn.api.records.timelineservice.FlowRunEntity
 
setState(int) - Method in class org.apache.hadoop.mapred.jobcontrol.Job
Deprecated.
setState(JobStatus.State) - Method in class org.apache.hadoop.mapreduce.JobStatus
更改作业的当前运行状态。
setState(String) - Method in class org.apache.hadoop.mapreduce.lib.output.committer.manifest.files.ManifestSuccessData
 
setState(QueueState) - Method in class org.apache.hadoop.mapreduce.QueueInfo
设置队列的状态
setState(ComponentState) - Method in class org.apache.hadoop.yarn.service.api.records.组件
 
setState(ContainerState) - Method in class org.apache.hadoop.yarn.service.api.records.Container
 
setState(LocalizationState) - Method in class org.apache.hadoop.yarn.service.api.records.LocalizationStatus
设置本地化状态。
setState(ServiceState) - Method in class org.apache.hadoop.yarn.service.api.records.Service
 
setState(ServiceState) - Method in class org.apache.hadoop.yarn.service.api.records.ServiceStatus
 
setStatement(PreparedStatement) - Method in class org.apache.hadoop.mapreduce.lib.db.DBRecordReader
 
setStatus(String) - Method in interface org.apache.hadoop.mapred.Reporter
设置任务的状态描述。
setStatus(EntryStatus) - Method in class org.apache.hadoop.mapreduce.lib.output.committer.manifest.files.DirEntry
 
setStatus(String) - Method in interface org.apache.hadoop.mapreduce.TaskAttemptContext
将任务的当前状态设置为给定字符串。
setStorageIds(String[]) - Method in class org.apache.hadoop.fs.BlockLocation
 
setStoragePolicy(Path, String) - Method in class org.apache.hadoop.fs.AbstractFileSystem
为指定文件或目录设置存储策略。
setStoragePolicy(Path, String) - Method in class org.apache.hadoop.fs.FileContext
为指定文件或目录设置存储策略。
setStoragePolicy(Path, String) - Method in class org.apache.hadoop.fs.FileSystem
为指定文件或目录设置存储策略。
setStoragePolicy(Path, String) - Method in class org.apache.hadoop.fs.FilterFileSystem
 
setStoragePolicy(Path, String) - Method in class org.apache.hadoop.fs.viewfs.ViewFileSystem
 
setStoragePolicy(Path, String) - Method in class org.apache.hadoop.fs.viewfs.ViewFs
 
setStoragePolicy(Path, String) - Method in class org.apache.hadoop.hdfs.client.HdfsAdmin
将源路径设置为指定的存储策略。
setStorageSize(String, double, StorageUnit) - Method in class org.apache.hadoop.conf.配置
为指定键设置存储大小。
setStorageTypes(StorageType[]) - Method in class org.apache.hadoop.fs.BlockLocation
 
setStrings(String, String...) - Method in class org.apache.hadoop.conf.配置
Set the array of string values for the name property as as comma delimited values.
setSubClusterId(String) - Method in class org.apache.hadoop.yarn.api.protocolrecords.GetQueueInfoRequest
设置子集群ID。
setSuccess(boolean) - Method in class org.apache.hadoop.mapreduce.lib.output.committer.manifest.files.ManifestSuccessData
设置成功标志。
setSuccessfulAttempt(TaskAttemptID) - Method in class org.apache.hadoop.mapred.TaskReport
设置任务的成功尝试ID。
setSum(long) - Method in class org.apache.hadoop.fs.statistics.MeanStatistic
设置总和。
setSymlink(Path) - Method in class org.apache.hadoop.fs.FileStatus
 
setTargetQueue(String) - Method in class org.apache.hadoop.yarn.api.protocolrecords.MoveApplicationAcrossQueuesRequest
获取应用程序要放置的队列。
setTargetTags(List) - Method in class org.apache.hadoop.yarn.service.api.records.PlacementConstraint
 
setTaskAttemptId(TaskAttemptID) - Method in class org.apache.hadoop.mapred.TaskCompletionEvent
设置任务ID。
setTaskAttemptId(TaskAttemptID) - Method in class org.apache.hadoop.mapreduce.TaskCompletionEvent
设置任务ID。
setTaskId(String) - Method in class org.apache.hadoop.mapred.TaskCompletionEvent
setTaskID(TaskAttemptID) - Method in class org.apache.hadoop.mapred.TaskCompletionEvent
setTaskOutputFilter(JobClient.TaskStatusFilter) - Method in class org.apache.hadoop.mapred.JobClient
Deprecated.
setTaskOutputFilter(JobConf, JobClient.TaskStatusFilter) - Static method in class org.apache.hadoop.mapred.JobClient
修改JobConf以设置任务输出过滤器。
setTaskOutputFilter(Configuration, Job.TaskStatusFilter) - Static method in class org.apache.hadoop.mapreduce.Job
修改配置以设置任务输出过滤器。
setTaskRunTime(int) - Method in class org.apache.hadoop.mapreduce.TaskCompletionEvent
设置任务完成时间
setTaskStatus(TaskCompletionEvent.Status) - Method in class org.apache.hadoop.mapreduce.TaskCompletionEvent
设置任务状态。
setTaskTrackerHttp(String) - Method in class org.apache.hadoop.mapreduce.TaskCompletionEvent
设置任务跟踪器的HTTP位置。
setTicketCacheFile(String) - Method in exception org.apache.hadoop.security.KerberosAuthException
 
setTimeDuration(String, long, TimeUnit) - Method in class org.apache.hadoop.conf.配置
Set the value of name to the given time duration.
setTimelineServiceBuildVersion(String) - Method in class org.apache.hadoop.yarn.api.records.timeline.TimelineAbout
 
setTimelineServiceVersion(String) - Method in class org.apache.hadoop.yarn.api.records.timeline.TimelineAbout
 
setTimelineServiceVersionBuiltOn(String) - Method in class org.apache.hadoop.yarn.api.records.timeline.TimelineAbout
 
setTimeoutType(ApplicationTimeoutType) - Method in class org.apache.hadoop.yarn.api.records.ApplicationTimeout
设置应用程序超时类型。
setTimes(Path, long, long) - Method in class org.apache.hadoop.fs.AbstractFileSystem
The specification of this method matches that of FileContext.setTimes(Path, long, long) except that Path f must be for this file system.
setTimes(Path, long, long) - Method in class org.apache.hadoop.fs.FileContext
设置文件的访问时间。
setTimes(Path, long, long) - Method in class org.apache.hadoop.fs.FileSystem
设置文件的访问时间。
setTimes(Path, long, long) - Method in class org.apache.hadoop.fs.FilterFileSystem
 
setTimes(Path, long, long) - Method in class org.apache.hadoop.fs.RawLocalFileSystem
Sets the Path's last modified time and last access time to the given valid times.
setTimes(Path, long, long) - Method in class org.apache.hadoop.fs.viewfs.ViewFileSystem
 
setTimes(Path, long, long) - Method in class org.apache.hadoop.fs.viewfs.ViewFs
 
setTimestamp(long) - Method in class org.apache.hadoop.mapreduce.lib.output.committer.manifest.files.ManifestSuccessData
 
setTimestamp(long) - Method in class org.apache.hadoop.yarn.api.records.LocalResource
Set the timestamp of the resource to be localized, used for verification.
setTimestamp(long) - Method in class org.apache.hadoop.yarn.api.records.timeline.TimelineEvent
设置事件的时间戳
setTimestamp(long) - Method in class org.apache.hadoop.yarn.api.records.timelineservice.TimelineEvent
 
setToken(Token) - Method in class org.apache.hadoop.yarn.api.records.NMToken
 
setToken(String, Token) - Method in class org.apache.hadoop.yarn.client.api.NMTokenCache
设置节点地址的NMToken
setTokens(ByteBuffer) - Method in class org.apache.hadoop.yarn.api.records.ContainerLaunchContext
设置该容器所需的安全令牌。
setTokensConf(ByteBuffer) - Method in class org.apache.hadoop.yarn.api.records.ContainerLaunchContext
设置RM用于续订令牌的配置。
setTokenService(Token, InetSocketAddress) - Static method in class org.apache.hadoop.security.SecurityUtil
将给定令牌的服务设置为RPC客户端预期的格式
setTopologyPaths(String[]) - Method in class org.apache.hadoop.fs.BlockLocation
设置主机的网络拓扑路径。
setTotalLogFileSize(long) - Method in class org.apache.hadoop.yarn.ContainerLogAppender
设置器,以便log4j可以从配置文件(log4j.properties)中配置它。
setTracer(Tracer) - Method in class org.apache.hadoop.ipc.Server
 
setTrackingUrl(String) - Method in class org.apache.hadoop.mapred.JobStatus
设置链接以查看作业详情的Web界面。
setTrackingUrl(String) - Method in class org.apache.hadoop.mapreduce.JobStatus
设置链接以查看作业详情的Web界面。
setTrackingUrl(String) - Method in class org.apache.hadoop.yarn.api.protocolrecords.AllocateRequest
设置此应用程序的新跟踪URL。
setTrackingUrl(String) - Method in class org.apache.hadoop.yarn.api.protocolrecords.FinishApplicationMasterRequest
Set the final tracking URLfor the ApplicationMaster.
setTrackingUrl(String) - Method in class org.apache.hadoop.yarn.api.protocolrecords.RegisterApplicationMasterRequest
Set the tracking URLfor the ApplicationMaster while it is running.
setTransitionTargetHAStatus(HAServiceProtocol.HAServiceState) - Method in class org.apache.hadoop.ha.HAServiceTarget
 
setType(int) - Method in class org.apache.hadoop.mapreduce.lib.output.committer.manifest.files.DirEntry
 
setType(LocalResourceType) - Method in class org.apache.hadoop.yarn.api.records.LocalResource
Set the LocalResourceType of the resource to be localized.
setType(String) - Method in class org.apache.hadoop.yarn.api.records.timeline.TimelineDelegationTokenResponse
 
setType(String) - Method in class org.apache.hadoop.yarn.api.records.timelineservice.TimelineEntity
 
setType(TimelineMetric.Type) - Method in class org.apache.hadoop.yarn.api.records.timelineservice.TimelineMetric
 
setType(Artifact.TypeEnum) - Method in class org.apache.hadoop.yarn.service.api.records.Artifact
 
setType(ConfigFile.TypeEnum) - Method in class org.apache.hadoop.yarn.service.api.records.ConfigFile
 
setType(PlacementType) - Method in class org.apache.hadoop.yarn.service.api.records.PlacementConstraint
 
setType(ReadinessCheck.TypeEnum) - Method in class org.apache.hadoop.yarn.service.api.records.ReadinessCheck
 
setUber(boolean) - Method in class org.apache.hadoop.mapreduce.JobStatus
设置uber模式标志
setUID(String, String) - Method in class org.apache.hadoop.yarn.api.records.timelineservice.TimelineEntity
在info中设置UID,随后将被UI用于查询。
setUMask(FsPermission) - Method in class org.apache.hadoop.fs.FileContext
将umask设置为提供的参数。
setUMask(Configuration, FsPermission) - Static method in class org.apache.hadoop.fs.permission.FsPermission
设置用户文件创建掩码(umask)
setUnmanagedAM(boolean) - Method in class org.apache.hadoop.yarn.api.records.ApplicationSubmissionContext
 
setUnmanagedApp(boolean) - Method in class org.apache.hadoop.yarn.api.records.ApplicationReport
 
setup(Configuration) - Static method in class org.apache.hadoop.mapreduce.lib.aggregate.ValueAggregatorJobBase
 
setup(Mapper.Context) - Method in class org.apache.hadoop.mapreduce.lib.aggregate.ValueAggregatorMapper
 
setup(Reducer.Context) - Method in class org.apache.hadoop.mapreduce.lib.aggregate.ValueAggregatorReducer
 
setup(Mapper.Context) - Method in class org.apache.hadoop.mapreduce.lib.chain.ChainMapper
 
setup(Reducer.Context) - Method in class org.apache.hadoop.mapreduce.lib.chain.ChainReducer
 
setup(Mapper.Context) - Method in class org.apache.hadoop.mapreduce.lib.fieldsel.FieldSelectionMapper
 
setup(Reducer.Context) - Method in class org.apache.hadoop.mapreduce.lib.fieldsel.FieldSelectionReducer
 
setup(Mapper.Context) - Method in class org.apache.hadoop.mapreduce.lib.map.RegexMapper
 
setup(Mapper.Context) - Method in class org.apache.hadoop.mapreduce.Mapper
在任务开始时调用一次。
setup(Reducer.Context) - Method in class org.apache.hadoop.mapreduce.Reducer
在任务开始时调用一次。
setUpdateContainerRequest(UpdateContainerRequest) - Method in class org.apache.hadoop.yarn.api.records.UpdateContainerError
Set the UpdateContainerRequest that was not satisfiable.
setUpdateErrors(List) - Method in class org.apache.hadoop.yarn.api.protocolrecords.AllocateResponse
设置容器更新错误列表,用于向Application Master报告由于错误而无法满足的容器更新情况。
setUpdateRequests(List) - Method in class org.apache.hadoop.yarn.api.protocolrecords.AllocateRequest
Set the list of container update requests to inform the ResourceManager about the containers that need to be updated.
setUpdateTimeStamp(boolean) - Method in class org.apache.hadoop.metrics2.lib.MutableStat
设置是否更新快照时间。
setUpdateType(ContainerUpdateType) - Method in class org.apache.hadoop.yarn.api.records.UpdatedContainer
Set the ContainerUpdateType.
setupJob(JobContext) - Method in class org.apache.hadoop.fs.s3a.commit.magic.MagicS3GuardCommitter
 
setupJob(JobContext) - Method in class org.apache.hadoop.mapred.FileOutputCommitter
 
setupJob(JobContext) - Method in class org.apache.hadoop.mapred.OutputCommitter
用于框架在初始化期间设置作业输出。
setupJob(JobContext) - Method in class org.apache.hadoop.mapred.OutputCommitter
该方法通过调用旧方法实现了新接口。
setupJob(JobContext) - Method in class org.apache.hadoop.mapreduce.lib.output.BindingPathOutputCommitter
 
setupJob(JobContext) - Method in class org.apache.hadoop.mapreduce.lib.output.committer.manifest.ManifestCommitter
Set up a job through a SetupJobStage.
setupJob(JobContext) - Method in class org.apache.hadoop.mapreduce.lib.output.FileOutputCommitter
创建临时目录作为所有任务工作目录的根目录。
setupJob(JobContext) - Method in class org.apache.hadoop.mapreduce.OutputCommitter
用于框架在初始化期间设置作业输出。
setupProgress() - Method in class org.apache.hadoop.mapred.JobStatus
 
setupProgress() - Method in interface org.apache.hadoop.mapred.RunningJob
Get the progress of the job's setup-tasks, as a float between 0.0 and 1.0.
setupProgress() - Method in class org.apache.hadoop.mapreduce.Job
Get the progress of the job's setup-tasks, as a float between 0.0 and 1.0.
setupTask(TaskAttemptContext) - Method in class org.apache.hadoop.mapred.FileOutputCommitter
 
setupTask(TaskAttemptContext) - Method in class org.apache.hadoop.mapred.OutputCommitter
设置任务的输出。
setupTask(TaskAttemptContext) - Method in class org.apache.hadoop.mapred.OutputCommitter
该方法通过调用旧方法实现了新接口。
setupTask(TaskAttemptContext) - Method in class org.apache.hadoop.mapreduce.lib.output.BindingPathOutputCommitter
 
setupTask(TaskAttemptContext) - Method in class org.apache.hadoop.mapreduce.lib.output.committer.manifest.ManifestCommitter
Set up a task through a SetupTaskStage.
setupTask(TaskAttemptContext) - Method in class org.apache.hadoop.mapreduce.lib.output.FileOutputCommitter
无需设置任务。
setupTask(TaskAttemptContext) - Method in class org.apache.hadoop.mapreduce.OutputCommitter
设置任务的输出。
setUri(String) - Method in class org.apache.hadoop.yarn.service.api.records.Artifact
 
setUri(String) - Method in class org.apache.hadoop.yarn.service.api.records.BaseResource
 
setUsedMem(int) - Method in class org.apache.hadoop.mapreduce.JobStatus
 
setUseNewMapper(boolean) - Method in class org.apache.hadoop.mapred.JobConf
设置框架是否应该为映射器使用新的API。
setUseNewReducer(boolean) - Method in class org.apache.hadoop.mapred.JobConf
设置框架是否应该为reducer使用新的API。
setUseQueryStringForDelegationToken(boolean) - Method in class org.apache.hadoop.security.token.delegation.web.DelegationTokenAuthenticatedURL
Deprecated.
setUser(String) - Method in class org.apache.hadoop.mapred.JobConf
设置此作业的报告用户名。
setUser(String) - Method in class org.apache.hadoop.mapreduce.Job
设置此作业的报告用户名。
setUser(String) - Method in exception org.apache.hadoop.security.KerberosAuthException
 
setUser(String) - Method in class org.apache.hadoop.yarn.api.records.timelineservice.FlowActivityEntity
 
setUser(String) - Method in class org.apache.hadoop.yarn.api.records.timelineservice.FlowRunEntity
 
setUserGroupRepresentationAsUPN(boolean) - Method in class org.apache.hadoop.fs.adl.AdlFileSystem
 
setUserInfo(String) - Method in class org.apache.hadoop.yarn.api.records.URL
设置URL的用户信息。
setUsername(String) - Method in class org.apache.hadoop.mapred.JobStatus
 
setUsername(String) - Method in class org.apache.hadoop.mapreduce.JobStatus
 
setValue(long) - Method in class org.apache.hadoop.mapred.Counters.Counter
 
setValue(long) - Method in interface org.apache.hadoop.mapreduce.Counter
将此计数器设置为给定值
setValues(Map) - Method in class org.apache.hadoop.yarn.api.records.timelineservice.TimelineMetric
 
setVerifyChecksum(boolean) - Method in class org.apache.hadoop.fs.AbstractFileSystem
The specification of this method matches that of FileContext.setVerifyChecksum(boolean, Path) except that Path f must be for this file system.
setVerifyChecksum(boolean) - Method in class org.apache.hadoop.fs.ChecksumFileSystem
设置是否校验校验和。
setVerifyChecksum(boolean, Path) - Method in class org.apache.hadoop.fs.FileContext
为路径所表示的文件系统设置校验和验证标志。
setVerifyChecksum(boolean) - Method in class org.apache.hadoop.fs.FileSystem
设置校验和验证标志。
setVerifyChecksum(boolean) - Method in class org.apache.hadoop.fs.FilterFileSystem
 
setVerifyChecksum(boolean) - Method in class org.apache.hadoop.fs.viewfs.ViewFileSystem
 
setVerifyChecksum(boolean) - Method in class org.apache.hadoop.fs.viewfs.ViewFs
 
setVerifyChecksum(boolean) - Method in class org.apache.hadoop.hdfs.ReplicaAccessorBuilder
设置是否必须验证校验和。
setVersion(String) - Method in class org.apache.hadoop.yarn.api.records.timelineservice.FlowRunEntity
 
setVersion(String) - Method in class org.apache.hadoop.yarn.service.api.records.Service
 
setVirtualCores(int) - Method in class org.apache.hadoop.yarn.api.records.Resource
Set number of virtual cpu cores of the resource.
setVirtualMemory(int) - Method in class org.apache.hadoop.yarn.api.records.ResourceUtilization
Set used virtual memory.
setVisibility(LocalResourceVisibility) - Method in class org.apache.hadoop.yarn.api.records.LocalResource
Set the LocalResourceVisibility of the resource to be localized.
setVisibility(LocalResourceVisibility) - Method in class org.apache.hadoop.yarn.service.api.records.ConfigFile
 
setVisibleLength(long) - Method in class org.apache.hadoop.hdfs.ReplicaAccessorBuilder
设置对该客户端可见的副本长度。
setWorkingDirectory(Path) - Method in class org.apache.hadoop.fs.adl.AdlFileSystem
为给定的文件系统设置当前工作目录。
setWorkingDirectory(Path) - Method in class org.apache.hadoop.fs.azure.NativeAzureFileSystem
将工作目录设置为指定目录。
setWorkingDirectory(Path) - Method in class org.apache.hadoop.fs.FileContext
设置工作目录用于相对路径名称(如"foo/bar")。
setWorkingDirectory(Path) - Method in class org.apache.hadoop.fs.FileSystem
为给定的文件系统设置当前工作目录。
setWorkingDirectory(Path) - Method in class org.apache.hadoop.fs.FilterFileSystem
为给定的文件系统设置当前工作目录。
setWorkingDirectory(Path) - Method in class org.apache.hadoop.fs.ftp.FTPFileSystem
 
setWorkingDirectory(Path) - Method in class org.apache.hadoop.fs.RawLocalFileSystem
将工作目录设置为指定目录。
setWorkingDirectory(Path) - Method in class org.apache.hadoop.fs.s3native.NativeS3FileSystem
Deprecated.
 
setWorkingDirectory(Path) - Method in class org.apache.hadoop.fs.viewfs.ViewFileSystem
 
setWorkingDirectory(Path) - Method in class org.apache.hadoop.mapred.JobConf
设置默认文件系统的当前工作目录。
setWorkingDirectory(Path) - Method in class org.apache.hadoop.mapreduce.Job
设置默认文件系统的当前工作目录。
setWorkingDirectory(File) - Method in class org.apache.hadoop.util.Shell
设置工作目录。
setWritable(File, boolean) - Static method in class org.apache.hadoop.fs.FileUtil
Platform independent implementation for File.setWritable(boolean) File#setWritable does not work as expected on Windows.
setWriteChecksum(boolean) - Method in class org.apache.hadoop.fs.ChecksumFileSystem
 
setWriteChecksum(boolean) - Method in class org.apache.hadoop.fs.FileSystem
设置写入校验和标志。
setWriteChecksum(boolean) - Method in class org.apache.hadoop.fs.FilterFileSystem
 
setWriteChecksum(boolean) - Method in class org.apache.hadoop.fs.viewfs.ViewFileSystem
 
setWriters(String) - Method in class org.apache.hadoop.yarn.api.records.timeline.TimelineDomain
设置写入器(和/或写入器组)列表字符串
setWriters(String) - Method in class org.apache.hadoop.yarn.api.records.timelineservice.TimelineDomain
设置写入器(和/或写入器组)列表字符串。
setXAttr(Path, String, byte[]) - Method in class org.apache.hadoop.fs.AbstractFileSystem
设置文件或目录的扩展属性。
setXAttr(Path, String, byte[], EnumSet) - Method in class org.apache.hadoop.fs.AbstractFileSystem
设置文件或目录的扩展属性。
setXAttr(Path, String, byte[], EnumSet) - Method in class org.apache.hadoop.fs.azure.NativeAzureFileSystem
为路径设置属性值。
setXAttr(Path, String, byte[]) - Method in class org.apache.hadoop.fs.FileContext
设置文件或目录的扩展属性。
setXAttr(Path, String, byte[], EnumSet) - Method in class org.apache.hadoop.fs.FileContext
设置文件或目录的扩展属性。
setXAttr(Path, String, byte[]) - Method in class org.apache.hadoop.fs.FileSystem
设置文件或目录的扩展属性。
setXAttr(Path, String, byte[], EnumSet) - Method in class org.apache.hadoop.fs.FileSystem
设置文件或目录的扩展属性。
setXAttr(Path, String, byte[]) - Method in class org.apache.hadoop.fs.FilterFileSystem
 
setXAttr(Path, String, byte[], EnumSet) - Method in class org.apache.hadoop.fs.FilterFileSystem
 
setXAttr(Path, String, byte[], EnumSet) - Method in class org.apache.hadoop.fs.viewfs.ViewFileSystem
 
setXAttr(Path, String, byte[], EnumSet) - Method in class org.apache.hadoop.fs.viewfs.ViewFs
 
SHARED_CACHE_CHECKSUM_ALGO_IMPL - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
校验和算法实现
SHARED_CACHE_ENABLED - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
共享缓存是否启用/禁用
SHARED_CACHE_NESTED_LEVEL - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
配置键,用于指定在到达校验和目录之前嵌套目录的层级。
SHARED_CACHE_NM_UPLOADER_REPLICATION_FACTOR - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
节点管理器上传器用于共享缓存的复制因子。
SHARED_CACHE_NM_UPLOADER_THREAD_COUNT - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
SHARED_CACHE_PREFIX - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
SHARED_CACHE_ROOT - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
共享缓存根目录的配置键。
SharedCacheChecksum - Interface in org.apache.hadoop.yarn.sharedcache
 
SharedCacheChecksumFactory - Class in org.apache.hadoop.yarn.sharedcache
 
SharedCacheChecksumFactory() - Constructor for class org.apache.hadoop.yarn.sharedcache.SharedCacheChecksumFactory
 
SharedCacheClient - Class in org.apache.hadoop.yarn.client.api
这是YARN共享缓存的客户端。
SharedCacheClient(String) - Constructor for class org.apache.hadoop.yarn.client.api.SharedCacheClient
 
SharedInstanceCredentialProvider - Class in org.apache.hadoop.fs.s3a
该凭证提供程序曾一度在存在与不存在之间摇摆不定,但由于在文档中频繁出现,现已恢复。
SharedInstanceCredentialProvider() - Constructor for class org.apache.hadoop.fs.s3a.SharedInstanceCredentialProvider
 
Shell - Class in org.apache.hadoop.util
用于运行Shell命令的基类。
Shell() - Constructor for class org.apache.hadoop.util.Shell
创建一个实例,运行之间没有最小间隔;标准错误输出不与标准输出合并。
Shell(long) - Constructor for class org.apache.hadoop.util.Shell
创建一个实例,设置执行之间的最小间隔;标准错误输出不与标准输出合并。
Shell(long, boolean) - Constructor for class org.apache.hadoop.util.Shell
Create a shell instance which can be re-executed when the Shell.run() method is invoked with a given elapsed time between calls.
ShellContainerCommand - Enum in org.apache.hadoop.yarn.api.records
各种信号容器命令的枚举。
shellToContainer(ContainerId, ShellContainerCommand) - Method in class org.apache.hadoop.yarn.client.api.YarnClient
客户端用于获取容器shell的接口。
shortenFlowName(String, Configuration) - Static method in class org.apache.hadoop.yarn.util.timeline.TimelineUtils
通过移除UUID(如果存在)来缩短配置大小的流程名称。
ShortWritable - Class in org.apache.hadoop.io
用于短整型的可写可比较对象。
ShortWritable() - Constructor for class org.apache.hadoop.io.ShortWritable
 
ShortWritable(short) - Constructor for class org.apache.hadoop.io.ShortWritable
 
shouldAppend() - Method in class org.apache.hadoop.tools.DistCpOptions
 
shouldAtomicCommit() - Method in class org.apache.hadoop.tools.DistCpOptions
 
shouldBlock() - Method in class org.apache.hadoop.tools.DistCpOptions
 
shouldDeleteMissing() - Method in class org.apache.hadoop.tools.DistCpOptions
 
shouldDirectWrite() - Method in class org.apache.hadoop.tools.DistCpOptions
 
shouldIgnoreFailures() - Method in class org.apache.hadoop.tools.DistCpOptions
 
shouldOverwrite() - Method in class org.apache.hadoop.tools.DistCpOptions
 
shouldPreserve(DistCpOptions.FileAttribute) - Method in class org.apache.hadoop.tools.DistCpOptions
检查输入属性是否应保留。
shouldRefresh() - Method in class org.apache.hadoop.hdfs.web.oauth2.AccessTokenTimer
如果当前令牌已过期或将在EXPIRE_BUFFER_MS内过期(为向服务器发起调用留出足够的缓冲时间),则返回true。
shouldRMFailFast(Configuration) - Static method in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
shouldSkipCRC() - Method in class org.apache.hadoop.tools.DistCpOptions
 
shouldSyncFolder() - Method in class org.apache.hadoop.tools.DistCpOptions
 
shouldUpdateRoot() - Method in class org.apache.hadoop.tools.DistCpOptions
 
shouldUseDiff() - Method in class org.apache.hadoop.tools.DistCpOptions
 
shouldUseIterator() - Method in class org.apache.hadoop.tools.DistCpOptions
 
shouldUseRdiff() - Method in class org.apache.hadoop.tools.DistCpOptions
 
shouldUseSnapshotDiff() - Method in class org.apache.hadoop.tools.DistCpOptions
 
shouldVerboseLog() - Method in class org.apache.hadoop.tools.DistCpOptions
 
shrinkStatus(FileStatus) - Static method in class org.apache.hadoop.mapreduce.lib.input.FileInputFormat
HdfsBlockLocation包含一个LocatedBlock,其中包含用于向数据节点发出关于块的更详细查询的消息,但这些消息目前在作业提交期间无用。
shutdown() - Static method in enum org.apache.hadoop.metrics2.lib.DefaultMetricsSystem
关闭指标系统
shutdown() - Method in class org.apache.hadoop.metrics2.MetricsSystem
完全关闭指标系统(通常在服务器关闭时执行)。MetricsSystemMXBean将被注销。
SHUTDOWN_HOOK_PRIORITY - Static variable in class org.apache.hadoop.fs.FileContext
FileContext关闭钩子的优先级。
SHUTDOWN_HOOK_PRIORITY - Static variable in class org.apache.hadoop.fs.FileSystem
FileSystem关闭钩子的优先级:10。
ShutdownHookManager - Class in org.apache.hadoop.util
The ShutdownHookManager enables running shutdownHook in a deterministic order, higher priority first.
SignalContainerCommand - Enum in org.apache.hadoop.yarn.api.records
各种信号容器命令的枚举。
SignalContainerRequest - Class in org.apache.hadoop.yarn.api.protocolrecords
The request sent by the client to the ResourceManager or by the ApplicationMaster to the NodeManager to signal a container.
SignalContainerRequest() - Constructor for class org.apache.hadoop.yarn.api.protocolrecords.SignalContainerRequest
 
SignalContainerResponse - Class in org.apache.hadoop.yarn.api.protocolrecords
The response sent by the ResourceManager to the client signalling a container.
SignalContainerResponse() - Constructor for class org.apache.hadoop.yarn.api.protocolrecords.SignalContainerResponse
 
signalToContainer(SignalContainerRequest) - Method in interface org.apache.hadoop.yarn.api.ApplicationClientProtocol
The interface used by clients to request the ResourceManager to signal a container.
signalToContainer(SignalContainerRequest) - Method in interface org.apache.hadoop.yarn.api.ContainerManagementProtocol
 
signalToContainer(ContainerId, SignalContainerCommand) - Method in class org.apache.hadoop.yarn.client.api.YarnClient
通过给定ID向容器发送信号。
SIGNATURE_ENCODING - Static variable in class org.apache.hadoop.ipc.CallerContext
 
SIGNING_ALGORITHM - Static variable in class org.apache.hadoop.fs.s3a.常量
Multiple parameters can be used to specify a non-default signing algorithm.
fs.s3a.signing-algorithm - This property has existed for the longest time.
SIGNING_ALGORITHM_DDB - Static variable in class org.apache.hadoop.fs.s3a.常量
Deprecated.
SIGNING_ALGORITHM_S3 - Static variable in class org.apache.hadoop.fs.s3a.常量
 
SIGNING_ALGORITHM_STS - Static variable in class org.apache.hadoop.fs.s3a.常量
 
SIGV_GROUP - Static variable in class org.apache.hadoop.fs.s3a.audit.S3LogParser
日志组 "sigv"。
SimpleAWSCredentialsProvider - Class in org.apache.hadoop.fs.s3a
支持使用简单凭证进行AWS身份验证。
SimpleAWSCredentialsProvider(URI, Configuration) - Constructor for class org.apache.hadoop.fs.s3a.SimpleAWSCredentialsProvider
根据文件系统URI和配置构建凭据。
SINGLE_WHITE_SPACE - Static variable in class org.apache.hadoop.fs.azurebfs.constants.AbfsHttpConstants
 
SingleArcTransition<OPERAND,EVENTO> - Interface in org.apache.hadoop.yarn.state
过渡钩子。
SingleUGIResolver - Class in org.apache.hadoop.hdfs.server.namenode
将外部系统中的所有所有者/组映射到FSImage中的单个用户。
SingleUGIResolver() - Constructor for class org.apache.hadoop.hdfs.server.namenode.SingleUGIResolver
 
size() - Method in class org.apache.hadoop.conf.配置
返回配置中的键数量。
size() - Method in class org.apache.hadoop.io.EnumSetWritable
 
size() - Method in interface org.apache.hadoop.io.file.tfile.RawComparable
获取字节数组中字节范围的大小。
size() - Method in class org.apache.hadoop.io.MapWritable
 
size() - Method in class org.apache.hadoop.io.SortedMapWritable
 
size() - Method in class org.apache.hadoop.mapred.Counters.Group
 
size() - Method in class org.apache.hadoop.mapred.计数器
Deprecated.
size() - Method in interface org.apache.hadoop.mapreduce.counters.CounterGroupBase
 
size() - Method in class org.apache.hadoop.mapreduce.lib.join.TupleWritable
此元组中的子元素数量。
size - Variable in class org.apache.hadoop.registry.client.types.RegistryPathStatus
以字节为单位的入口大小,由存储基础设施返回。
skip(long) - Method in class org.apache.hadoop.io.compress.DecompressorStream
 
skip(DataInput) - Static method in class org.apache.hadoop.io.Text
跳过输入中的一个文本。
skip(K) - Method in interface org.apache.hadoop.mapred.join.ComposableRecordReader
跳过键小于或等于所提供键的键值对。
skip(K) - Method in class org.apache.hadoop.mapred.join.CompositeRecordReader
将跳过键传递给子RRs。
skip(K) - Method in class org.apache.hadoop.mapred.join.WrappedRecordReader
跳过键小于或等于所提供键的键值对。
skip(K) - Method in class org.apache.hadoop.mapreduce.lib.join.CompositeRecordReader
将跳过键传递给子RRs。
skip(K) - Method in class org.apache.hadoop.mapreduce.lib.join.WrappedRecordReader
跳过键小于或等于所提供键的键值对。
SKIP_AZURE_METRICS_PROPERTY_NAME - Static variable in class org.apache.hadoop.fs.azure.NativeAzureFileSystem
 
SkipBadRecords - Class in org.apache.hadoop.mapred
用于跳过错误记录功能的实用工具类。
SkipBadRecords() - Constructor for class org.apache.hadoop.mapred.SkipBadRecords
 
skipCompressedByteArray(DataInput) - Static method in class org.apache.hadoop.io.WritableUtils
 
skipFully(InputStream, long) - Static method in class org.apache.hadoop.io.IOUtils
类似于readFully()。
skipFully(DataInput, int) - Static method in class org.apache.hadoop.io.WritableUtils
Skip len number of bytes in input streamin
SLASH_MARK - Static variable in class org.apache.hadoop.hdfs.server.federation.store.driver.impl.StateStoreSerializableImpl
标记路径名中的斜杠。
SNAPPY_CODEC_EXTENSION - Static variable in class org.apache.hadoop.io.compress.CodecConstants
Default extension for SnappyCodec.
snapshot(IOStatistics) - Method in class org.apache.hadoop.fs.statistics.IOStatisticsSnapshot
拍摄快照。
snapshot(MetricsRecordBuilder, boolean) - Method in class org.apache.hadoop.metrics2.lib.MetricsRegistry
对所有可变指标进行采样,并将快照放入构建器中
snapshot(MetricsRecordBuilder, boolean) - Method in class org.apache.hadoop.metrics2.lib.MutableCounterInt
 
snapshot(MetricsRecordBuilder, boolean) - Method in class org.apache.hadoop.metrics2.lib.MutableCounterLong
 
snapshot(MetricsRecordBuilder, boolean) - Method in class org.apache.hadoop.metrics2.lib.MutableGaugeInt
 
snapshot(MetricsRecordBuilder, boolean) - Method in class org.apache.hadoop.metrics2.lib.MutableGaugeLong
 
snapshot(MetricsRecordBuilder, boolean) - Method in class org.apache.hadoop.metrics2.lib.MutableMetric
获取指标的快照
snapshot(MetricsRecordBuilder) - Method in class org.apache.hadoop.metrics2.lib.MutableMetric
获取指标变更时的快照
snapshot(MetricsRecordBuilder, boolean) - Method in class org.apache.hadoop.metrics2.lib.MutableQuantiles
 
snapshot(MetricsRecordBuilder, boolean) - Method in class org.apache.hadoop.metrics2.lib.MutableRates
 
snapshot(MetricsRecordBuilder, boolean) - Method in class org.apache.hadoop.metrics2.lib.MutableRatesWithAggregation
 
snapshot(MetricsRecordBuilder, boolean) - Method in class org.apache.hadoop.metrics2.lib.MutableRollingAverages
 
snapshot(MetricsRecordBuilder, boolean) - Method in class org.apache.hadoop.metrics2.lib.MutableStat
 
snapshotIOStatistics(IOStatistics) - Static method in class org.apache.hadoop.fs.statistics.IOStatisticsSupport
获取当前统计状态的快照。
snapshotIOStatistics() - Static method in class org.apache.hadoop.fs.statistics.IOStatisticsSupport
创建一个快照统计实例,准备聚合数据。
snapshotIOStatistics(IOStatistics) - Method in class org.apache.hadoop.mapreduce.lib.output.committer.manifest.files.ManifestSuccessData
将IOStatistics设置为源的快照。
SOCKET_RECV_BUFFER - Static variable in class org.apache.hadoop.fs.s3a.常量
 
SOCKET_SEND_BUFFER - Static variable in class org.apache.hadoop.fs.s3a.常量
 
SOCKET_TIMEOUT - Static variable in class org.apache.hadoop.fs.s3a.常量
放弃连接到s3前的毫秒数:"fs.s3a.connection.timeout"。
SocksSocketFactory - Class in org.apache.hadoop.net
用于通过SOCKS代理创建套接字的专用SocketFactory
SocksSocketFactory() - Constructor for class org.apache.hadoop.net.SocksSocketFactory
默认的空构造函数(用于反射API)。
SocksSocketFactory(Proxy) - Constructor for class org.apache.hadoop.net.SocksSocketFactory
使用提供的代理的构造函数
SOLARIS - Static variable in class org.apache.hadoop.util.Shell
 
SortedMapWritable<K extends WritableComparable<? super K>> - Class in org.apache.hadoop.io
一个可写入的排序映射(SortedMap)。
SortedMapWritable() - Constructor for class org.apache.hadoop.io.SortedMapWritable
默认构造函数。
SortedMapWritable(SortedMapWritable) - Constructor for class org.apache.hadoop.io.SortedMapWritable
复制构造函数。
来源 - Variable in class org.apache.hadoop.metrics2.sink.RollingFileSystemSink
 
SPACE_QUOTA_STRING_FORMAT - Static variable in class org.apache.hadoop.fs.QuotaUsage
 
SPARK_WRITE_UUID - Static variable in class org.apache.hadoop.mapreduce.lib.output.committer.manifest.ManifestCommitterConstants
作业的UUID标识:"spark.sql.sources.writeJobUUID"。
specToString(String, String, int, List, List) - Static method in class org.apache.hadoop.mapreduce.lib.fieldsel.FieldSelectionHelper
 
split - Variable in class org.apache.hadoop.mapred.lib.CombineFileRecordReader
 
split(Configuration, ResultSet, String) - Method in class org.apache.hadoop.mapreduce.lib.db.BigDecimalSplitter
 
split(Configuration, ResultSet, String) - Method in class org.apache.hadoop.mapreduce.lib.db.BooleanSplitter
 
split(Configuration, ResultSet, String) - Method in class org.apache.hadoop.mapreduce.lib.db.DateSplitter
 
split(Configuration, ResultSet, String) - Method in interface org.apache.hadoop.mapreduce.lib.db.DBSplitter
给定一个包含一条记录(且已定位到该记录)的ResultSet,其中有两列(一个低值和一个高值,两者类型相同),确定一组跨越给定值的分割区间。
split(Configuration, ResultSet, String) - Method in class org.apache.hadoop.mapreduce.lib.db.FloatSplitter
 
split(Configuration, ResultSet, String) - Method in class org.apache.hadoop.mapreduce.lib.db.IntegerSplitter
 
split(Configuration, ResultSet, String) - Method in class org.apache.hadoop.mapreduce.lib.db.TextSplitter
该方法需要确定两个用户提供的字符串之间的分割点。
split - Variable in class org.apache.hadoop.mapreduce.lib.input.CombineFileRecordReader
 
SPLIT_MAXSIZE - Static variable in class org.apache.hadoop.mapreduce.lib.input.FileInputFormat
 
SPLIT_MINSIZE - Static variable in class org.apache.hadoop.mapreduce.lib.input.FileInputFormat
 
SPLIT_MINSIZE_PERNODE - Static variable in class org.apache.hadoop.mapreduce.lib.input.CombineFileInputFormat
 
SPLIT_MINSIZE_PERRACK - Static variable in class org.apache.hadoop.mapreduce.lib.input.CombineFileInputFormat
 
SplitCompressionInputStream - Class in org.apache.hadoop.io.compress
一个覆盖压缩数据范围的InputStream。
SplitCompressionInputStream(InputStream, long, long) - Constructor for class org.apache.hadoop.io.compress.SplitCompressionInputStream
 
SplitLocationInfo - Class in org.apache.hadoop.mapred
 
SplitLocationInfo(String, boolean) - Constructor for class org.apache.hadoop.mapred.SplitLocationInfo
 
SplittableCompressionCodec - Interface in org.apache.hadoop.io.compress
该接口旨在由那些能够从任意起始位置压缩/解压缩流的压缩编解码器实现。
srcFile(String) - Method in class org.apache.hadoop.yarn.service.api.records.ConfigFile
这提供了配置文件的源位置,其内容在属性替换后转储到目标文件dest_file中,格式按照type中指定的方式。
SSL_CHANNEL_MODE - Static variable in class org.apache.hadoop.fs.s3a.常量
 
SSLConnectionConfigurator - Class in org.apache.hadoop.hdfs.web
配置连接以使用SSL认证。
STACKTRACE - Static variable in class org.apache.hadoop.mapreduce.lib.output.committer.manifest.files.DiagnosticKeys
 
STAGE - Static variable in class org.apache.hadoop.mapreduce.lib.output.committer.manifest.files.DiagnosticKeys
 
StandardSocketFactory - Class in org.apache.hadoop.net
用于通过SOCKS代理创建套接字的专用SocketFactory
StandardSocketFactory() - Constructor for class org.apache.hadoop.net.StandardSocketFactory
默认的空构造函数(用于反射API)。
STAR - Static variable in class org.apache.hadoop.fs.azurebfs.constants.AbfsHttpConstants
 
start() - Method in class org.apache.hadoop.hdfs.server.namenode.INodeAttributeProvider
初始化提供程序。
start() - Method in class org.apache.hadoop.ipc.Server
启动服务。
start() - Method in interface org.apache.hadoop.metrics2.MetricsSystemMXBean
启动指标系统
start() - Method in class org.apache.hadoop.service.AbstractService
启动服务。
start() - Method in interface org.apache.hadoop.service.Service
启动服务。
START_BLOCK - Static variable in class org.apache.hadoop.hdfs.server.namenode.FixedBlockResolver
 
startContainer(Container, ContainerLaunchContext) - Method in class org.apache.hadoop.yarn.client.api.NMClient
启动一个已分配的容器。
startContainerAsync(Container, ContainerLaunchContext) - Method in class org.apache.hadoop.yarn.client.api.async.NMClientAsync
 
StartContainerRequest - Class in org.apache.hadoop.yarn.api.protocolrecords
The request sent by the ApplicationMaster to the NodeManager to start a container.
StartContainerRequest() - Constructor for class org.apache.hadoop.yarn.api.protocolrecords.StartContainerRequest
 
startContainers(StartContainersRequest) - Method in interface org.apache.hadoop.yarn.api.ContainerManagementProtocol
The ApplicationMaster provides a list of StartContainerRequests to a NodeManager to start Containers allocated to it using this interface.
StartContainersRequest - Class in org.apache.hadoop.yarn.api.protocolrecords
The request which contains a list of StartContainerRequest sent by the ApplicationMaster to the NodeManager to start containers.
StartContainersRequest() - Constructor for class org.apache.hadoop.yarn.api.protocolrecords.StartContainersRequest
 
StartContainersResponse - Class in org.apache.hadoop.yarn.api.protocolrecords
The response sent by the NodeManager to the ApplicationMaster when asked to start an allocated container.
StartContainersResponse() - Constructor for class org.apache.hadoop.yarn.api.protocolrecords.StartContainersResponse
 
startLocalOutput(Path, Path) - Method in class org.apache.hadoop.fs.ChecksumFileSystem
 
startLocalOutput(Path, Path) - Method in class org.apache.hadoop.fs.FileSystem
返回一个可供用户写入输出的本地文件。
startLocalOutput(Path, Path) - Method in class org.apache.hadoop.fs.FilterFileSystem
返回一个用户可以写入输出的本地文件。
startLocalOutput(Path, Path) - Method in class org.apache.hadoop.fs.RawLocalFileSystem
 
startMap(String) - Method in class org.apache.hadoop.record.BinaryRecordInput
Deprecated.
 
startMap(TreeMap, String) - Method in class org.apache.hadoop.record.BinaryRecordOutput
Deprecated.
 
startMap(TreeMap, String) - Method in class org.apache.hadoop.record.CsvRecordOutput
Deprecated.
 
startMap(String) - Method in interface org.apache.hadoop.record.RecordInput
Deprecated.
检查序列化映射开始的标记。
startMap(TreeMap, String) - Method in interface org.apache.hadoop.record.RecordOutput
Deprecated.
标记要序列化的映射的开始。
startMetricsMBeans() - Method in interface org.apache.hadoop.metrics2.MetricsSystemMXBean
启动指标MBeans
startRecord(String) - Method in class org.apache.hadoop.record.BinaryRecordInput
Deprecated.
 
startRecord(Record, String) - Method in class org.apache.hadoop.record.BinaryRecordOutput
Deprecated.
 
startRecord(Record, String) - Method in class org.apache.hadoop.record.CsvRecordOutput
Deprecated.
 
startRecord(String) - Method in interface org.apache.hadoop.record.RecordInput
Deprecated.
检查序列化记录起始标记。
startRecord(Record, String) - Method in interface org.apache.hadoop.record.RecordOutput
Deprecated.
标记要序列化的记录的开始。
startThreads() - Method in class org.apache.hadoop.security.token.delegation.AbstractDelegationTokenSecretManager
在使用此对象之前应调用。
startUpload(Path) - Method in interface org.apache.hadoop.fs.MultipartUploader
初始化一个多部分上传。
startVector(String) - Method in class org.apache.hadoop.record.BinaryRecordInput
Deprecated.
 
startVector(ArrayList, String) - Method in class org.apache.hadoop.record.BinaryRecordOutput
Deprecated.
 
startVector(ArrayList, String) - Method in class org.apache.hadoop.record.CsvRecordOutput
Deprecated.
 
startVector(String) - Method in interface org.apache.hadoop.record.RecordInput
Deprecated.
检查序列化向量起始的标记。
startVector(ArrayList, String) - Method in interface org.apache.hadoop.record.RecordOutput
Deprecated.
标记要序列化的向量的起始点。
stat(String) - Method in interface org.apache.hadoop.registry.client.api.RegistryOperations
获取路径的状态
stat(String) - Method in class org.apache.hadoop.registry.client.impl.zk.RegistryOperationsService
 
stat2Paths(FileStatus[]) - Static method in class org.apache.hadoop.fs.FileUtil
将FileStatus数组转换为Path数组
stat2Paths(FileStatus[], Path) - Static method in class org.apache.hadoop.fs.FileUtil
将FileStatus数组转换为Path数组。
statChildren(RegistryOperations, String) - Static method in class org.apache.hadoop.registry.client.binding.RegistryUtils
List children of a directory and retrieve their RegistryPathStatus values.
状态 - Variable in class org.apache.hadoop.service.LifecycleEvent
新状态
state(ComponentState) - Method in class org.apache.hadoop.yarn.service.api.records.组件
 
state(ContainerState) - Method in class org.apache.hadoop.yarn.service.api.records.Container
服务容器的状态。
状态(LocalizationState) - Method in class org.apache.hadoop.yarn.service.api.records.LocalizationStatus
设置本地化状态并返回本地化状态。
state(ServiceState) - Method in class org.apache.hadoop.yarn.service.api.records.Service
服务的状态。
state(ServiceState) - Method in class org.apache.hadoop.yarn.service.api.records.ServiceStatus
服务状态。
stateChanged(Service) - Method in class org.apache.hadoop.service.LoggingStateChangeListener
状态变更事件回调:记录日志
stateChanged(Service) - Method in interface org.apache.hadoop.service.ServiceStateChangeListener
回调以通知状态变更。
StateMachine<STATE extends Enum<STATE>,EVENTTYPE extends Enum<EVENTTYPE>,EVENTO> - Interface in org.apache.hadoop.yarn.state
 
StateMachineFactory<OPERAND,STATE extends Enum<STATE>,EVENTTYPE extends Enum<EVENTTYPE>,EVENTO> - Class in org.apache.hadoop.yarn.state
状态机拓扑结构。
StateMachineFactory(STATE) - Constructor for class org.apache.hadoop.yarn.state.StateMachineFactory
构造函数 这是API中唯一的构造函数。
statement - Variable in class org.apache.hadoop.mapreduce.lib.db.DBRecordReader
 
StateStoreBaseImpl - Class in org.apache.hadoop.hdfs.server.federation.store.driver.impl
状态存储驱动器的基本实现。
StateStoreBaseImpl() - Constructor for class org.apache.hadoop.hdfs.server.federation.store.driver.impl.StateStoreBaseImpl
 
StateStoreDriver - Class in org.apache.hadoop.hdfs.server.federation.store.driver
Driver class for an implementation of a StateStoreService provider.
StateStoreDriver() - Constructor for class org.apache.hadoop.hdfs.server.federation.store.driver.StateStoreDriver
 
StateStoreSerializableImpl - Class in org.apache.hadoop.hdfs.server.federation.store.driver.impl
存储记录序列化的状态存储驱动程序。
StateStoreSerializableImpl() - Constructor for class org.apache.hadoop.hdfs.server.federation.store.driver.impl.StateStoreSerializableImpl
 
StateTransitionListener<OPERAND,EVENTO,STATE extends Enum<STATE>> - Interface in org.apache.hadoop.yarn.state
状态转换监听器。
statistics - Variable in class org.apache.hadoop.fs.AbstractFileSystem
该文件系统的统计信息。
statistics - Variable in class org.apache.hadoop.fs.FileSystem
该文件系统的统计信息。
StatsDSink - Class in org.apache.hadoop.metrics2.sink
一个将指标写入StatsD守护进程的指标接收器。
StatsDSink() - Constructor for class org.apache.hadoop.metrics2.sink.StatsDSink
 
statusCode() - Method in exception org.apache.hadoop.fs.s3a.AWSServiceIOException
 
STDERR - Static variable in interface org.apache.hadoop.yarn.api.ApplicationConstants
 
STDOUT - Static variable in interface org.apache.hadoop.yarn.api.ApplicationConstants
 
stop() - Method in class org.apache.hadoop.hdfs.server.namenode.INodeAttributeProvider
关闭提供程序。
stop() - Method in class org.apache.hadoop.ipc.Client
停止与此客户端相关的所有线程。
stop() - Method in class org.apache.hadoop.ipc.Server
停止服务。
stop() - Method in class org.apache.hadoop.mapreduce.lib.jobcontrol.JobControl
将线程状态设置为STOPPING,这样当线程唤醒时就会停止。
stop() - Method in class org.apache.hadoop.metrics2.lib.MutableQuantiles
 
stop() - Method in interface org.apache.hadoop.metrics2.MetricsSystemMXBean
停止指标系统
stop() - Method in class org.apache.hadoop.service.AbstractService
停止服务。
stop() - Method in interface org.apache.hadoop.service.Service
停止服务。
stop(Service) - Static method in class org.apache.hadoop.service.ServiceOperations
停止服务。
STOP_ONLY_STARTED_SERVICES - Static variable in class org.apache.hadoop.service.CompositeService
关机策略:尝试关闭所有内容(最纯粹的方式)或仅尝试关闭已启动的服务(该策略假设服务实现可能无法处理stop()操作,除非服务已启动)。
stopContainer(ContainerId, NodeId) - Method in class org.apache.hadoop.yarn.client.api.NMClient
停止一个已启动的容器。
stopContainerAsync(ContainerId, NodeId) - Method in class org.apache.hadoop.yarn.client.api.async.NMClientAsync
 
stopContainers(StopContainersRequest) - Method in interface org.apache.hadoop.yarn.api.ContainerManagementProtocol
The ApplicationMaster requests a NodeManager to stop a list of Containers allocated to it using this interface.
StopContainersRequest - Class in org.apache.hadoop.yarn.api.protocolrecords
The request sent by the ApplicationMaster to the NodeManager to stop containers.
StopContainersRequest() - Constructor for class org.apache.hadoop.yarn.api.protocolrecords.StopContainersRequest
 
StopContainersResponse - Class in org.apache.hadoop.yarn.api.protocolrecords
The response sent by the NodeManager to the ApplicationMaster when asked to stop allocated containers.
StopContainersResponse() - Constructor for class org.apache.hadoop.yarn.api.protocolrecords.StopContainersResponse
 
stopMetricsMBeans() - Method in interface org.apache.hadoop.metrics2.MetricsSystemMXBean
停止指标MBeans。
stopQuietly(Service) - Static method in class org.apache.hadoop.service.ServiceOperations
停止一个服务;如果为空则不执行任何操作。
stopQuietly(Log, Service) - Static method in class org.apache.hadoop.service.ServiceOperations
Deprecated.
to be removed with 3.4.0. Use ServiceOperations.stopQuietly(Logger, Service) instead.
stopQuietly(Logger, Service) - Static method in class org.apache.hadoop.service.ServiceOperations
停止一个服务;如果为空则不执行任何操作。
stopThreads() - Method in class org.apache.hadoop.security.token.delegation.AbstractDelegationTokenSecretManager
 
STORAGE_CLASS - Static variable in class org.apache.hadoop.fs.s3a.常量
S3存储类别:标准、降低冗余、智能分层等。
STORAGE_CLASS_DEEP_ARCHIVE - Static variable in class org.apache.hadoop.fs.s3a.常量
S3存储选项:"deep_archive"。
STORAGE_CLASS_GLACIER - Static variable in class org.apache.hadoop.fs.s3a.常量
S3存储选项:"glacier"。
STORAGE_CLASS_GLACIER_INSTANT_RETRIEVAL - Static variable in class org.apache.hadoop.fs.s3a.常量
S3存储选项:"glacier_ir"。
STORAGE_CLASS_INTELLIGENT_TIERING - Static variable in class org.apache.hadoop.fs.s3a.常量
S3存储选项:"智能分层"。
STORAGE_CLASS_ONEZONE_INFREQUENT_ACCESS - Static variable in class org.apache.hadoop.fs.s3a.常量
S3存储选项:"onezone_ia"。
STORAGE_CLASS_OUTPOSTS - Static variable in class org.apache.hadoop.fs.s3a.常量
S3存储选项:"outposts"。
STORAGE_CLASS_REDUCED_REDUNDANCY - Static variable in class org.apache.hadoop.fs.s3a.常量
S3存储选项:"reduced_redundancy"。
STORAGE_CLASS_STANDARD - Static variable in class org.apache.hadoop.fs.s3a.常量
S3存储选项:"standard"。
STORAGE_CLASS_STANDARD_INFREQUENT_ACCESS - Static variable in class org.apache.hadoop.fs.s3a.常量
S3存储选项:"standard_ia"。
StorageStatistics - Class in org.apache.hadoop.fs
StorageStatistics 包含 FileSystem 或 FileContext 实例的统计数据。
StorageStatistics(String) - Constructor for class org.apache.hadoop.fs.StorageStatistics
 
StorageType - Enum in org.apache.hadoop.fs
定义支持的存储介质类型。
store(Configuration, K, String) - Static method in class org.apache.hadoop.io.DefaultStringifier
将项目存储在配置中,使用给定的键名。
STORE_CAPABILITY_AWS_V2 - Static variable in class org.apache.hadoop.fs.s3a.常量
这是一个v2版本的SDK构建吗?值 "fs.s3a.capability.aws.v2"。
STORE_CAPABILITY_DIRECTORY_MARKER_ACTION_DELETE - Static variable in class org.apache.hadoop.fs.s3a.常量
PathCapabilities probe to indicate that a path deletes directory markers.
STORE_CAPABILITY_DIRECTORY_MARKER_ACTION_KEEP - Static variable in class org.apache.hadoop.fs.s3a.常量
PathCapabilities probe to indicate that a path keeps directory markers.
STORE_CAPABILITY_DIRECTORY_MARKER_AWARE - Static variable in class org.apache.hadoop.fs.s3a.常量
PathCapabilities probe to verify that an S3A Filesystem has the changes needed to safely work with buckets where directoy markers have not been deleted.
STORE_CAPABILITY_DIRECTORY_MARKER_MULTIPART_UPLOAD_ENABLED - Static variable in class org.apache.hadoop.fs.s3a.常量
Deprecated.
STORE_CAPABILITY_DIRECTORY_MARKER_POLICY_AUTHORITATIVE - Static variable in class org.apache.hadoop.fs.s3a.常量
PathCapabilities probe to indicate that the filesystem keeps directory markers in authoritative paths only.
STORE_CAPABILITY_DIRECTORY_MARKER_POLICY_DELETE - Static variable in class org.apache.hadoop.fs.s3a.常量
PathCapabilities probe to indicate that the filesystem deletes directory markers.
STORE_CAPABILITY_DIRECTORY_MARKER_POLICY_KEEP - Static variable in class org.apache.hadoop.fs.s3a.常量
PathCapabilities probe to indicate that the filesystem keeps directory markers.
STORE_CAPABILITY_MAGIC_COMMITTER - Static variable in class org.apache.hadoop.fs.s3a.commit.CommitConstants
标志,表示存储支持魔法提交器。
STORE_CAPABILITY_MAGIC_COMMITTER_OLD - Static variable in class org.apache.hadoop.fs.s3a.commit.CommitConstants
Deprecated.
STORE_CAPABILITY_MULTIPART_UPLOAD_ENABLED - Static variable in class org.apache.hadoop.fs.s3a.常量
Stream支持向指定路径进行多部分上传。
STORE_CLIENT_CREATION - Static variable in class org.apache.hadoop.fs.statistics.StoreStatisticNames
任何存储客户端创建花费了多长时间?
STORE_EXISTS_PROBE - Static variable in class org.apache.hadoop.fs.statistics.StoreStatisticNames
检查存储是否存在的探针:"store_exists_probe"。
STORE_IO_RATE_LIMITED - Static variable in class org.apache.hadoop.fs.statistics.StoreStatisticNames
报告了速率限制"store_io_rate_limited"。
STORE_IO_RATE_LIMITED_DURATION - Static variable in class org.apache.hadoop.fs.statistics.StoreStatisticNames
 
STORE_IO_REQUEST - Static variable in class org.apache.hadoop.fs.statistics.StoreStatisticNames
对存储发出的请求:"store_io_request"。
STORE_IO_RETRY - Static variable in class org.apache.hadoop.fs.statistics.StoreStatisticNames
IO重试次数: "store_io_retry".
STORE_IO_THROTTLE_RATE - Static variable in class org.apache.hadoop.fs.statistics.StoreStatisticNames
 
STORE_IO_THROTTLED - Static variable in class org.apache.hadoop.fs.statistics.StoreStatisticNames
请求被限流并重试:"store_io_throttled"。
STORE_OPERATIONS_CLASS_DEFAULT - Static variable in class org.apache.hadoop.mapreduce.lib.output.committer.manifest.ManifestCommitterConstants
存储操作的默认类名。
storeArray(Configuration, K[], String) - Static method in class org.apache.hadoop.io.DefaultStringifier
将项目数组存储在具有给定键名的配置中。
storeDelegationKey(DelegationKey) - Method in class org.apache.hadoop.security.token.delegation.AbstractDelegationTokenSecretManager
对于将存储外部化的子类,例如基于Zookeeper的实现。
storeNewMasterKey(DelegationKey) - Method in class org.apache.hadoop.security.token.delegation.AbstractDelegationTokenSecretManager
 
storeNewToken(TokenIdent, long) - Method in class org.apache.hadoop.security.token.delegation.AbstractDelegationTokenSecretManager
 
StoreStatisticNames - Class in org.apache.hadoop.fs.statistics
对象存储操作的常见统计指标名称。
storeToken(TokenIdent, AbstractDelegationTokenSecretManager.DelegationTokenInformation) - Method in class org.apache.hadoop.security.token.delegation.AbstractDelegationTokenSecretManager
对于将存储外部化的子类,例如基于Zookeeper的实现。
storeTokenTrackingId - Variable in class org.apache.hadoop.security.token.delegation.AbstractDelegationTokenSecretManager
是否将令牌的跟踪ID存储在其TokenInformation中。
STREAM_CAPABILITY_MAGIC_OUTPUT - Static variable in class org.apache.hadoop.fs.s3a.commit.CommitConstants
Flag to indicate whether a stream is a magic output stream; returned in StreamCapabilities Value: "fs.s3a.capability.magic.output.stream".
STREAM_CAPABILITY_MAGIC_OUTPUT_OLD - Static variable in class org.apache.hadoop.fs.s3a.commit.CommitConstants
Deprecated.
STREAM_EVICT_BLOCKS_FROM_FILE_CACHE - Static variable in class org.apache.hadoop.fs.statistics.StreamStatisticNames
从磁盘缓存中驱逐的块总数。
STREAM_FILE_CACHE_EVICTION - Static variable in class org.apache.hadoop.fs.statistics.StreamStatisticNames
跟踪磁盘缓存LRU淘汰的持续时间。
STREAM_ID_LEN - Static variable in class org.apache.hadoop.fs.azurebfs.constants.FileSystemConfigurations
 
STREAM_READ_ABORTED - Static variable in class org.apache.hadoop.fs.statistics.StreamStatisticNames
TCP流被中止的次数。
STREAM_READ_ACTIVE_MEMORY_IN_USE - Static variable in class org.apache.hadoop.fs.statistics.StreamStatisticNames
此输入流当前使用的内存总字节数。
STREAM_READ_ACTIVE_PREFETCH_OPERATIONS - Static variable in class org.apache.hadoop.fs.statistics.StreamStatisticNames
活跃预取操作的总数。
STREAM_READ_BLOCK_ACQUIRE_AND_READ - Static variable in class org.apache.hadoop.fs.statistics.StreamStatisticNames
获取缓冲区并读取数据的计数/持续时间。
STREAM_READ_BLOCKS_IN_FILE_CACHE - Static variable in class org.apache.hadoop.fs.statistics.StreamStatisticNames
磁盘缓存中的块总数。
STREAM_READ_BYTES - Static variable in class org.apache.hadoop.fs.statistics.StreamStatisticNames
在read()/readVectored()调用中从输入流读取的字节数。
STREAM_READ_BYTES_DISCARDED_ABORT - Static variable in class org.apache.hadoop.fs.statistics.StreamStatisticNames
因中止输入流而丢弃的字节数。
STREAM_READ_BYTES_DISCARDED_CLOSE - Static variable in class org.apache.hadoop.fs.statistics.StreamStatisticNames
关闭输入流时读取和丢弃的字节数。
STREAM_READ_CLOSE_OPERATIONS - Static variable in class org.apache.hadoop.fs.statistics.StreamStatisticNames
尝试关闭输入流的总次数。
STREAM_READ_CLOSED - Static variable in class org.apache.hadoop.fs.statistics.StreamStatisticNames
TCP流被关闭的次数。
STREAM_READ_EXCEPTIONS - Static variable in class org.apache.hadoop.fs.statistics.StreamStatisticNames
输入流读取期间引发的异常计数。
STREAM_READ_FULLY_OPERATIONS - Static variable in class org.apache.hadoop.fs.statistics.StreamStatisticNames
输入流中readFully()操作的计数。
STREAM_READ_GAUGE_INPUT_POLICY - Static variable in class org.apache.hadoop.fs.s3a.常量
输入策略的计量器名称:"stream_read_gauge_input_policy"。
STREAM_READ_OPEND - Static variable in class org.apache.hadoop.fs.statistics.StreamStatisticNames
输入流被打开的总次数。
STREAM_READ_OPERATIONS - Static variable in class org.apache.hadoop.fs.statistics.StreamStatisticNames
输入流中read()操作的计数。
STREAM_READ_OPERATIONS_INCOMPLETE - Static variable in class org.apache.hadoop.fs.statistics.StreamStatisticNames
输入流中未完成的read()操作计数,即返回的字节数少于请求的数量。
STREAM_READ_PREFETCH_OPERATIONS - Static variable in class org.apache.hadoop.fs.statistics.StreamStatisticNames
已执行的预取操作总数。
STREAM_READ_REMOTE_BLOCK_READ - Static variable in class org.apache.hadoop.fs.statistics.StreamStatisticNames
读取远程块的计数/持续时间。
STREAM_READ_REMOTE_STREAM_ABORTED - Static variable in class org.apache.hadoop.fs.statistics.StreamStatisticNames
在流IO期间中止远程流的计数/持续时间
STREAM_READ_REMOTE_STREAM_DRAINED - Static variable in class org.apache.hadoop.fs.statistics.StreamStatisticNames
关闭远程流的计数/持续时间,可能包括排空流以回收HTTP连接。
STREAM_READ_SEEK_BACKWARD_OPERATIONS - Static variable in class org.apache.hadoop.fs.statistics.StreamStatisticNames
在流中向后执行的查找操作计数。
STREAM_READ_SEEK_BYTES_BACKWARDS - Static variable in class org.apache.hadoop.fs.statistics.StreamStatisticNames
输入流中在查找操作期间向后移动的字节数
STREAM_READ_SEEK_BYTES_DISCARDED - Static variable in class org.apache.hadoop.fs.statistics.StreamStatisticNames
输入流中在seek()操作期间读取并丢弃的字节数。
STREAM_READ_SEEK_BYTES_SKIPPED - Static variable in class org.apache.hadoop.fs.statistics.StreamStatisticNames
在向前查找操作期间跳过的字节数。
STREAM_READ_SEEK_FORWARD_OPERATIONS - Static variable in class org.apache.hadoop.fs.statistics.StreamStatisticNames
在输入流中向前执行的查找操作计数。
STREAM_READ_SEEK_OPERATIONS - Static variable in class org.apache.hadoop.fs.statistics.StreamStatisticNames
输入流中的查找操作计数。
STREAM_READ_SEEK_POLICY_CHANGED - Static variable in class org.apache.hadoop.fs.statistics.StreamStatisticNames
输入流中动态改变查找策略的次数统计
STREAM_READ_SKIP_BYTES - Static variable in class org.apache.hadoop.fs.statistics.StreamStatisticNames
Count bytes skipped in InputStream.skip() calls.
STREAM_READ_SKIP_OPERATIONS - Static variable in class org.apache.hadoop.fs.statistics.StreamStatisticNames
Count of InputStream.skip() calls.
STREAM_READ_TOTAL_BYTES - Static variable in class org.apache.hadoop.fs.statistics.StreamStatisticNames
从输入流读取的字节总数。
STREAM_READ_UNBUFFERED - Static variable in class org.apache.hadoop.fs.statistics.StreamStatisticNames
Count of calls of CanUnbuffer.unbuffer().
STREAM_READ_VECTORED_COMBINED_RANGES - Static variable in class org.apache.hadoop.fs.statistics.StreamStatisticNames
在readVectored()操作期间合并文件范围的数量。
STREAM_READ_VECTORED_INCOMING_RANGES - Static variable in class org.apache.hadoop.fs.statistics.StreamStatisticNames
在readVectored()操作期间传入文件范围的数量。
STREAM_READ_VECTORED_OPERATIONS - Static variable in class org.apache.hadoop.fs.statistics.StreamStatisticNames
输入流中readVectored()操作的计数。
STREAM_READ_VECTORED_READ_BYTES_DISCARDED - Static variable in class org.apache.hadoop.fs.statistics.StreamStatisticNames
输入流中在readVectored()操作期间丢弃的字节数
STREAM_READ_VERSION_MISMATCHES - Static variable in class org.apache.hadoop.fs.statistics.StreamStatisticNames
读取输入流时遇到的版本不匹配计数。
STREAM_WRITE_BLOCK_UPLOADS - Static variable in class org.apache.hadoop.fs.statistics.StreamStatisticNames
块/分区上传完成的数量。
STREAM_WRITE_BLOCK_UPLOADS_ABORTED - Static variable in class org.apache.hadoop.fs.statistics.StreamStatisticNames
已中止的块上传次数统计。
STREAM_WRITE_BLOCK_UPLOADS_ACTIVE - Static variable in class org.apache.hadoop.fs.statistics.StreamStatisticNames
当前活跃的块/分区上传计数。
STREAM_WRITE_BLOCK_UPLOADS_BYTES_PENDING - Static variable in class org.apache.hadoop.fs.statistics.StreamStatisticNames
待写入数据的计量器。
STREAM_WRITE_BLOCK_UPLOADS_COMMITTED - Static variable in class org.apache.hadoop.fs.statistics.StreamStatisticNames
已提交的块上传数量统计。
STREAM_WRITE_BLOCK_UPLOADS_PENDING - Static variable in class org.apache.hadoop.fs.statistics.StreamStatisticNames
待写入队列中的块/分区上传量规。
STREAM_WRITE_BYTES - Static variable in class org.apache.hadoop.fs.statistics.StreamStatisticNames
"写入输出流的字节数,包括所有尚未上传的部分。
STREAM_WRITE_EXCEPTIONS - Static variable in class org.apache.hadoop.fs.statistics.StreamStatisticNames
"报告的流写入失败次数。
STREAM_WRITE_EXCEPTIONS_COMPLETING_UPLOADS - Static variable in class org.apache.hadoop.fs.statistics.StreamStatisticNames
完成多部分上传时的失败计数: "stream_write_exceptions_completing_upload"。
STREAM_WRITE_QUEUE_DURATION - Static variable in class org.apache.hadoop.fs.statistics.StreamStatisticNames
所有块上传的总队列时长。
STREAM_WRITE_TOTAL_DATA - Static variable in class org.apache.hadoop.fs.statistics.StreamStatisticNames
 
STREAM_WRITE_TOTAL_TIME - Static variable in class org.apache.hadoop.fs.statistics.StreamStatisticNames
上传完成所花费的总时间计数。
StreamBackedIterator<X extends Writable> - Class in org.apache.hadoop.mapred.join
该类提供了ResetableIterator的实现。
StreamBackedIterator() - Constructor for class org.apache.hadoop.mapred.join.StreamBackedIterator
 
StreamBackedIterator<X extends Writable> - Class in org.apache.hadoop.mapreduce.lib.join
该类提供了ResetableIterator的实现。
StreamBackedIterator() - Constructor for class org.apache.hadoop.mapreduce.lib.join.StreamBackedIterator
 
StreamCapabilities - Interface in org.apache.hadoop.fs
查询流支持功能的接口。
streamCapabilities_hasCapability(Object, String) - Static method in class org.apache.hadoop.io.wrappedio.WrappedIO
Does an object implement StreamCapabilities and, if so, what is the result of the probe for the capability? Calls StreamCapabilities.hasCapability(String),
StreamCapabilitiesPolicy - Class in org.apache.hadoop.fs
Static methods to implement policies for StreamCapabilities.
StreamCapabilitiesPolicy() - Constructor for class org.apache.hadoop.fs.StreamCapabilitiesPolicy
 
StreamStatisticNames - Class in org.apache.hadoop.fs.statistics
这些是常见的统计指标名称。
StrictPreemptionContract - Class in org.apache.hadoop.yarn.api.records
枚举待回收的特定分配项。
StrictPreemptionContract() - Constructor for class org.apache.hadoop.yarn.api.records.StrictPreemptionContract
 
STRING_BUILDER - Static variable in class org.apache.hadoop.hdfs.server.namenode.DefaultAuditLogger
 
STRING_VALUE_MAX - Static variable in class org.apache.hadoop.mapred.lib.aggregate.ValueAggregatorBaseDescriptor
 
STRING_VALUE_MAX - Static variable in class org.apache.hadoop.mapreduce.lib.aggregate.ValueAggregatorBaseDescriptor
 
STRING_VALUE_MIN - Static variable in class org.apache.hadoop.mapred.lib.aggregate.ValueAggregatorBaseDescriptor
 
STRING_VALUE_MIN - Static variable in class org.apache.hadoop.mapreduce.lib.aggregate.ValueAggregatorBaseDescriptor
 
Stringifier<T> - Interface in org.apache.hadoop.io
Stringifier接口提供了两种方法,用于将对象转换为字符串表示形式,并根据其字符串表示形式还原对象。
StringInterner - Class in org.apache.hadoop.util
提供字符串驻留实用方法。
StringInterner() - Constructor for class org.apache.hadoop.util.StringInterner
 
StringValueMax - Class in org.apache.hadoop.mapred.lib.aggregate
该类实现了一个值聚合器,用于维护字符串序列中的最大值。
StringValueMax() - Constructor for class org.apache.hadoop.mapred.lib.aggregate.StringValueMax
 
StringValueMax - Class in org.apache.hadoop.mapreduce.lib.aggregate
该类实现了一个值聚合器,用于维护字符串序列中的最大值。
StringValueMax() - Constructor for class org.apache.hadoop.mapreduce.lib.aggregate.StringValueMax
默认构造函数
StringValueMin - Class in org.apache.hadoop.mapred.lib.aggregate
该类实现了一个值聚合器,用于维护字符串序列中的最小值。
StringValueMin() - Constructor for class org.apache.hadoop.mapred.lib.aggregate.StringValueMin
 
StringValueMin - Class in org.apache.hadoop.mapreduce.lib.aggregate
该类实现了一个值聚合器,用于维护字符串序列中的最小值。
StringValueMin() - Constructor for class org.apache.hadoop.mapreduce.lib.aggregate.StringValueMin
默认构造函数
strongIntern(String) - Static method in class org.apache.hadoop.util.StringInterner
实习并返回对代表实例的引用,该实例代表一组彼此相等的字符串实例中的任意一个。
StrToken(Parser.TType, String) - Constructor for class org.apache.hadoop.mapred.join.Parser.StrToken
 
StrToken(Parser.TType, String) - Constructor for class org.apache.hadoop.mapreduce.lib.join.Parser.StrToken
 
STS_STANDARD - Static variable in class org.apache.hadoop.fs.s3a.auth.delegation.DelegationConstants
标准STS服务器。
stubDurationTracker() - Static method in class org.apache.hadoop.fs.statistics.IOStatisticsSupport
获取一个存根持续时间跟踪器。
stubDurationTrackerFactory() - Static method in class org.apache.hadoop.fs.statistics.IOStatisticsSupport
返回一个存根持续时间跟踪器工厂,其返回的跟踪器始终为无操作。
子应用实体 - Class in org.apache.hadoop.yarn.api.records.timelineservice
该实体表示用户定义的实体,将存储在子应用表下。
SubApplicationEntity(TimelineEntity) - Constructor for class org.apache.hadoop.yarn.api.records.timelineservice.SubApplicationEntity
 
subMap(K, K) - Method in class org.apache.hadoop.io.SortedMapWritable
 
submit() - Method in class org.apache.hadoop.mapreduce.Job
将作业提交到集群并立即返回。
submit() - Method in class org.apache.hadoop.mapreduce.lib.jobcontrol.ControlledJob
将此作业提交到mapred。
submit(Runnable) - Method in class org.apache.hadoop.util.functional.CloseableTaskPoolSubmitter
 
SUBMIT_REPLICATION - Static variable in class org.apache.hadoop.mapreduce.Job
 
submitApplication(SubmitApplicationRequest) - Method in interface org.apache.hadoop.yarn.api.ApplicationClientProtocol
The interface used by clients to submit a new application to the ResourceManager.
submitApplication(ApplicationSubmissionContext) - Method in class org.apache.hadoop.yarn.client.api.YarnClient
Submit a new application to YARN. It is a blocking call - it will not return ApplicationId until the submitted application is submitted successfully and accepted by the ResourceManager.
SubmitApplicationRequest - Class in org.apache.hadoop.yarn.api.protocolrecords
The request sent by a client to submit an application to the ResourceManager.
SubmitApplicationRequest() - Constructor for class org.apache.hadoop.yarn.api.protocolrecords.SubmitApplicationRequest
 
SubmitApplicationResponse - Class in org.apache.hadoop.yarn.api.protocolrecords
The response sent by the ResourceManager to a client on application submission.
SubmitApplicationResponse() - Constructor for class org.apache.hadoop.yarn.api.protocolrecords.SubmitApplicationResponse
 
submitJob(String) - Method in class org.apache.hadoop.mapred.JobClient
向MR系统提交一个作业。
submitJob(JobConf) - Method in class org.apache.hadoop.mapred.JobClient
向MR系统提交一个作业。
submitJob(JobConf) - Static method in class org.apache.hadoop.mapred.pipes.Submitter
Deprecated.
submitReservation(ReservationSubmissionRequest) - Method in interface org.apache.hadoop.yarn.api.ApplicationClientProtocol
The interface used by clients to submit a new reservation to the ResourceManager.
submitReservation(ReservationSubmissionRequest) - Method in class org.apache.hadoop.yarn.client.api.YarnClient
The interface used by clients to submit a new reservation to the ResourceManager.
提交者 - Class in org.apache.hadoop.mapred.pipes
主要入口点和作业提交器。
Submitter() - Constructor for class org.apache.hadoop.mapred.pipes.Submitter
 
Submitter(Configuration) - Constructor for class org.apache.hadoop.mapred.pipes.Submitter
 
SUBPATH_COMPONENTS - Static variable in interface org.apache.hadoop.registry.client.api.RegistryConstants
服务记录下的路径,指向该服务的组件: "/components/".
SUBSTITUTE_TOKEN - Static variable in class org.apache.hadoop.mapreduce.lib.db.DataDrivenDBInputFormat
如果用户提供自定义查询,WHERE子句中需要包含以下字符串,它将被替换为一组针对输入的条件,以实现输入分片并行化导入。
substituteCommonVariables(String) - Method in class org.apache.hadoop.conf.配置
为避免兼容性问题,提供了一个公共包装器来替代变量。
subtractFrom(int, int, float) - Method in class org.apache.hadoop.yarn.api.records.ResourceUtilization
从当前利用率中减去。
subtractFrom(int, int, float, String, float) - Method in class org.apache.hadoop.yarn.api.records.ResourceUtilization
从当前利用率中减去。
SUCCEEDED - Static variable in class org.apache.hadoop.mapred.JobStatus
 
SUCCEEDED_FILE_NAME - Static variable in class org.apache.hadoop.mapred.FileOutputCommitter
 
SUCCEEDED_FILE_NAME - Static variable in class org.apache.hadoop.mapreduce.lib.output.FileOutputCommitter
 
SUCCESS - Static variable in class org.apache.hadoop.mapred.jobcontrol.Job
 
SUCCESS - Static variable in class org.apache.hadoop.yarn.api.records.ContainerExitStatus
 
SUCCESS_MARKER - Static variable in class org.apache.hadoop.mapreduce.lib.output.committer.manifest.ManifestCommitterConstants
成功时创建的标记文件: "_SUCCESS"。
SUCCESS_MARKER_FILE_LIMIT - Static variable in class org.apache.hadoop.fs.s3a.commit.CommitConstants
在作业提交期间跟踪并保存到_SUCCESS文件的已提交对象数量的限制。
SUCCESS_MARKER_FILE_LIMIT - Static variable in class org.apache.hadoop.mapreduce.lib.output.committer.manifest.ManifestCommitterConstants
在作业提交期间跟踪并保存到_SUCCESS文件的已提交对象数量的限制。
SUCCESSFUL_JOB_OUTPUT_DIR_MARKER - Static variable in class org.apache.hadoop.mapreduce.lib.output.FileOutputCommitter
 
suffix(String) - Method in class org.apache.hadoop.fs.Path
在路径的最终名称后添加后缀。
SUFFIX_FAILURES - Static variable in class org.apache.hadoop.fs.statistics.StoreStatisticNames
添加到计数器和其它统计信息中以跟踪故障的字符串。
SUFFIX_MAX - Static variable in class org.apache.hadoop.fs.statistics.StoreStatisticNames
当同一个键在最大值/平均值/最大值统计之间共享时,用于最大值的后缀。
SUFFIX_MEAN - Static variable in class org.apache.hadoop.fs.statistics.StoreStatisticNames
当同一个键在均值/均值/最大值统计之间共享时,用于表示均值统计值的后缀。
SUFFIX_MIN - Static variable in class org.apache.hadoop.fs.statistics.StoreStatisticNames
当同一个键用于最小值/平均值/最大值统计时,用于最小值统计的后缀。
sum(Counters, Counters) - Static method in class org.apache.hadoop.mapred.计数器
计算两组计数器总和的便捷方法。
SUMMARY_FILENAME_FORMAT - Static variable in class org.apache.hadoop.mapreduce.lib.output.committer.manifest.ManifestCommitterConstants
用于从作业ID构建摘要文件的格式化字符串。
SUMMARY_FILENAME_PREFIX - Static variable in class org.apache.hadoop.mapreduce.lib.output.committer.manifest.ManifestCommitterConstants
报告目录中摘要文件的前缀。
SUPER_USER - Static variable in class org.apache.hadoop.fs.azurebfs.constants.AbfsHttpConstants
 
提供的配置 - Static variable in class org.apache.hadoop.metrics2.sink.RollingFileSystemSink
 
suppliedFilesystem - Static variable in class org.apache.hadoop.metrics2.sink.RollingFileSystemSink
 
supplyBindingInformation() - Method in interface org.apache.hadoop.registry.client.impl.zk.RegistryBindingSource
为此注册表提供绑定信息
support(String, INativeSerializer, JobConf) - Method in class org.apache.hadoop.mapred.nativetask.Platform
一个平台是否支持特定密钥至少应满足两个条件 1.
supportObserver() - Method in class org.apache.hadoop.ha.HAServiceTarget
 
supportsSymlinks() - Method in class org.apache.hadoop.fs.AbstractFileSystem
如果文件系统支持符号链接则返回true,否则返回false。
supportsSymlinks() - Method in class org.apache.hadoop.fs.adl.AdlFileSystem
 
supportsSymlinks() - Method in class org.apache.hadoop.fs.FileSystem
supportsSymlinks() - Method in class org.apache.hadoop.fs.FilterFileSystem
 
supportsSymlinks() - Method in class org.apache.hadoop.fs.LocalFileSystem
 
supportsSymlinks() - Method in class org.apache.hadoop.fs.RawLocalFileSystem
 
supportsSymlinks() - Method in class org.apache.hadoop.fs.viewfs.ViewFs
 
supportTypeQuota() - Method in enum org.apache.hadoop.fs.StorageType
 
suspend() - Method in class org.apache.hadoop.mapreduce.lib.jobcontrol.JobControl
暂停正在运行的线程
swapScheme - Variable in class org.apache.hadoop.fs.FilterFileSystem
 
SWebHdfs - Class in org.apache.hadoop.fs
基于Web(安全)的HDFS抽象文件系统实现。
SYMBOL - Variable in enum org.apache.hadoop.fs.permission.FsAction
符号化表示
symLink(String, String) - Static method in class org.apache.hadoop.fs.FileUtil
在本地磁盘上创建一个源路径和目标路径之间的软链接。
SYMLINK_NO_PRIVILEGE - Static variable in class org.apache.hadoop.fs.FileUtil
 
SYNC_INTERVAL - Static variable in class org.apache.hadoop.io.SequenceFile
同步点之间的字节数。
可同步 - Interface in org.apache.hadoop.fs
这是用于刷新/同步操作的界面。
syncTokenOwnerStats() - Method in class org.apache.hadoop.security.token.delegation.AbstractDelegationTokenSecretManager
该方法将令牌信息从currentTokens同步到tokenOwnerStats。
SysInfo - Class in org.apache.hadoop.util
用于计算系统资源信息的插件。
SysInfo() - Constructor for class org.apache.hadoop.util.SysInfo
 
SYSPROP_HADOOP_HOME_DIR - Static variable in class org.apache.hadoop.util.Shell
Hadoop主目录的系统属性:"hadoop.home.dir"。
SYSTEM_CLASSES_DEFAULT - Static variable in class org.apache.hadoop.util.ApplicationClassLoader
如果用户未覆盖系统类,则使用其默认值。
SYSTEM_FILTER_CONFLICT - Static variable in class org.apache.hadoop.yarn.api.records.timeline.TimelinePutResponse.TimelinePutError
如果用户指定了时间线系统保留的筛选键,则返回此错误代码
SYSTEM_INFO_KEY_PREFIX - Static variable in class org.apache.hadoop.yarn.api.records.timelineservice.TimelineEntity
 
SYSTEM_METRICS_PUBLISHER_ENABLED - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
该设置控制RM和NM是否在时间轴服务器上发布yarn系统指标。
SystemClock - Class in org.apache.hadoop.yarn.util
Implementation of Clock that gives the current time from the system clock in milliseconds.
SystemClock() - Constructor for class org.apache.hadoop.yarn.util.SystemClock
Deprecated.
systemMetricsPublisherEnabled(Configuration) - Static method in class org.apache.hadoop.yarn.conf.YarnConfiguration
返回系统发布者是否已启用。

T

TableMapping - Class in org.apache.hadoop.net
Simple DNSToSwitchMapping implementation that reads a 2 column text file.
TableMapping() - Constructor for class org.apache.hadoop.net.TableMapping
 
tableName - Variable in class org.apache.hadoop.mapreduce.lib.db.DBInputFormat
 
tag(MetricsInfo, String) - Static method in class org.apache.hadoop.metrics2.lib.实习生
获取一个指标标签。
tag(String, String, String) - Static method in class org.apache.hadoop.metrics2.lib.实习生
获取一个指标标签。
tag(String, String, String) - Method in class org.apache.hadoop.metrics2.lib.MetricsRegistry
为指标添加标签
tag(String, String, String, boolean) - Method in class org.apache.hadoop.metrics2.lib.MetricsRegistry
为指标添加标签
tag(MetricsInfo, String, boolean) - Method in class org.apache.hadoop.metrics2.lib.MetricsRegistry
为指标添加标签
tag(MetricsInfo, String) - Method in class org.apache.hadoop.metrics2.lib.MetricsRegistry
 
tag(MetricsInfo, String) - Method in class org.apache.hadoop.metrics2.MetricsJsonBuilder
 
tag(MetricsInfo, String) - Method in class org.apache.hadoop.metrics2.MetricsRecordBuilder
添加带有指标信息的指标值
tag(MetricsInfo, String) - Method in class org.apache.hadoop.metrics2.MetricStringBuilder
 
tags() - Method in interface org.apache.hadoop.metrics2.MetricsRecord
获取记录的标签 注意:返回一个集合而非可迭代对象,因为我们需要在映射中使用标签作为键(因此需要Collection#hashCode等方法)
TAIL_GROUP - Static variable in class org.apache.hadoop.fs.s3a.audit.S3LogParser
这是日志条目尾部内容的存放位置;除非/直到AWS日志在未来得到增强,否则该字段为空。
tailMap(K) - Method in class org.apache.hadoop.io.SortedMapWritable
 
take() - Method in class org.apache.hadoop.hdfs.DFSInotifyEventInputStream
返回流中的下一批事件,如果没有新批次立即可用,则无限期等待。
targetCardinality(String, int, int, PlacementConstraint.TargetExpression...) - Static method in class org.apache.hadoop.yarn.api.resource.PlacementConstraints
此约束概括了基数约束和目标约束。
targetIn(String, PlacementConstraint.TargetExpression...) - Static method in class org.apache.hadoop.yarn.api.resource.PlacementConstraints
创建一个约束条件,要求分配必须放置在满足给定范围内(例如节点或机架)所有目标表达式的节点上。
targetNodeAttribute(String, NodeAttributeOpCode, PlacementConstraint.TargetExpression...) - Static method in class org.apache.hadoop.yarn.api.resource.PlacementConstraints
创建一个约束条件,要求分配必须位于满足基于节点属性操作代码的任何目标表达式的范围内(例如节点或机架)的节点上。
targetNotIn(String, PlacementConstraint.TargetExpression...) - Static method in class org.apache.hadoop.yarn.api.resource.PlacementConstraints
创建一个约束条件,要求分配的资源必须位于不属于任何目标表达式所定义范围(例如节点或机架)的节点上。
targetTags(List) - Method in class org.apache.hadoop.yarn.service.api.records.PlacementConstraint
该组件所依赖的放置策略对应的组件名称会作为目标标签添加。
TASK - Static variable in class org.apache.hadoop.mapreduce.TaskID
 
TASK_ATTEMPT_ID - Static variable in class org.apache.hadoop.fs.s3a.commit.CommitConstants
待处理集合文件中任务尝试的额外数据键。
TASK_COMMITTER - Static variable in class org.apache.hadoop.mapreduce.lib.output.committer.manifest.ManifestCommitter
角色:任务提交者。
TASK_ID_REGEX - Static variable in class org.apache.hadoop.mapreduce.TaskID
 
TaskAttemptContext - Interface in org.apache.hadoop.mapred
 
TaskAttemptContext - Interface in org.apache.hadoop.mapreduce
任务尝试的上下文环境。
TaskAttemptID - Class in org.apache.hadoop.mapred
TaskAttemptID 表示任务尝试的不可变且唯一标识符。
TaskAttemptID(TaskID, int) - Constructor for class org.apache.hadoop.mapred.TaskAttemptID
Constructs a TaskAttemptID object from given TaskID.
TaskAttemptID(String, int, boolean, int, int) - Constructor for class org.apache.hadoop.mapred.TaskAttemptID
TaskAttemptID(String, int, TaskType, int, int) - Constructor for class org.apache.hadoop.mapred.TaskAttemptID
从给定部分构造一个TaskId对象。
TaskAttemptID() - Constructor for class org.apache.hadoop.mapred.TaskAttemptID
 
TaskAttemptID - Class in org.apache.hadoop.mapreduce
TaskAttemptID 表示任务尝试的不可变且唯一标识符。
TaskAttemptID(TaskID, int) - Constructor for class org.apache.hadoop.mapreduce.TaskAttemptID
Constructs a TaskAttemptID object from given TaskID.
TaskAttemptID(String, int, TaskType, int, int) - Constructor for class org.apache.hadoop.mapreduce.TaskAttemptID
从给定部分构造一个TaskId对象。
TaskAttemptID(String, int, boolean, int, int) - Constructor for class org.apache.hadoop.mapreduce.TaskAttemptID
Deprecated.
TaskAttemptID() - Constructor for class org.apache.hadoop.mapreduce.TaskAttemptID
 
TaskCompletionEvent - Class in org.apache.hadoop.mapred
用于在job tracker上追踪任务完成事件。
TaskCompletionEvent() - Constructor for class org.apache.hadoop.mapred.TaskCompletionEvent
Writable的默认构造函数。
TaskCompletionEvent(int, TaskAttemptID, int, boolean, TaskCompletionEvent.Status, String) - Constructor for class org.apache.hadoop.mapred.TaskCompletionEvent
构造函数。
TaskCompletionEvent - Class in org.apache.hadoop.mapreduce
这用于跟踪任务完成事件在 job tracker上。
TaskCompletionEvent() - Constructor for class org.apache.hadoop.mapreduce.TaskCompletionEvent
Writable的默认构造函数。
TaskCompletionEvent(int, TaskAttemptID, int, boolean, TaskCompletionEvent.Status, String) - Constructor for class org.apache.hadoop.mapreduce.TaskCompletionEvent
构造函数。
TaskCompletionEvent.Status - Enum in org.apache.hadoop.mapred
 
TaskCompletionEvent.Status - Enum in org.apache.hadoop.mapreduce
 
TaskCounter - Enum in org.apache.hadoop.mapreduce
 
TaskID - Class in org.apache.hadoop.mapred
TaskID 表示 Map 或 Reduce 任务的不可变唯一标识符。
TaskID(JobID, boolean, int) - Constructor for class org.apache.hadoop.mapred.TaskID
TaskID(String, int, boolean, int) - Constructor for class org.apache.hadoop.mapred.TaskID
TaskID(JobID, TaskType, int) - Constructor for class org.apache.hadoop.mapred.TaskID
Constructs a TaskID object from given JobID.
TaskID(String, int, TaskType, int) - Constructor for class org.apache.hadoop.mapred.TaskID
从给定部分构造一个TaskInProgressId对象。
TaskID() - Constructor for class org.apache.hadoop.mapred.TaskID
 
TaskID - Class in org.apache.hadoop.mapreduce
TaskID 表示 Map 或 Reduce 任务的不可变唯一标识符。
TaskID(JobID, TaskType, int) - Constructor for class org.apache.hadoop.mapreduce.TaskID
Constructs a TaskID object from given JobID.
TaskID(String, int, TaskType, int) - Constructor for class org.apache.hadoop.mapreduce.TaskID
从给定部分构造一个TaskInProgressId对象。
TaskID(JobID, boolean, int) - Constructor for class org.apache.hadoop.mapreduce.TaskID
Deprecated.
TaskID(String, int, boolean, int) - Constructor for class org.apache.hadoop.mapreduce.TaskID
Deprecated.
TaskID() - Constructor for class org.apache.hadoop.mapreduce.TaskID
Writable的默认构造函数。
taskIdPattern - Static variable in class org.apache.hadoop.mapreduce.TaskID
 
TaskInputOutputContext<KEYIN,VALUEIN,KEYOUT,VALUEOUT> - Interface in org.apache.hadoop.mapreduce
一个上下文对象,允许任务的输入和输出。
TaskReport - Class in org.apache.hadoop.mapred
关于任务状态的报告。
TaskReport() - Constructor for class org.apache.hadoop.mapred.TaskReport
 
TaskTrackerInfo - Class in org.apache.hadoop.mapreduce
关于TaskTracker的信息。
TaskTrackerInfo() - Constructor for class org.apache.hadoop.mapreduce.TaskTrackerInfo
 
TaskTrackerInfo(String) - Constructor for class org.apache.hadoop.mapreduce.TaskTrackerInfo
 
TaskTrackerInfo(String, String, String) - Constructor for class org.apache.hadoop.mapreduce.TaskTrackerInfo
 
任务类型 - Enum in org.apache.hadoop.mapreduce
枚举类型,用于表示map(映射)、reduce(归约)、job-setup(作业设置)、job-cleanup(作业清理)、task-cleanup(任务清理)等任务类型。
tell() - Method in class org.apache.hadoop.fs.AvroFSInput
 
TEMP_DATA - Static variable in class org.apache.hadoop.fs.s3a.commit.CommitConstants
未自动提交的临时数据: "_temporary".
TEMP_DIR_NAME - Static variable in class org.apache.hadoop.mapred.FileOutputCommitter
临时目录名称
TEMP_DIR_NAME - Static variable in class org.apache.hadoop.mapreduce.lib.output.FileOutputCommitter
Deprecated.
TEMPORARY - Static variable in class org.apache.hadoop.fs.s3a.commit.CommitConstants
This is the "Pending" directory of the FileOutputCommitter; data written here is, in that algorithm, renamed into place.
TemporaryAWSCredentialsProvider - Class in org.apache.hadoop.fs.s3a
支持会话凭证用于与AWS进行身份验证。
TemporaryAWSCredentialsProvider(Configuration) - Constructor for class org.apache.hadoop.fs.s3a.TemporaryAWSCredentialsProvider
仅从配置构建。
TemporaryAWSCredentialsProvider(URI, Configuration) - Constructor for class org.apache.hadoop.fs.s3a.TemporaryAWSCredentialsProvider
构造函数:如果提供程序初始化时未绑定到文件系统,则URI将为null。
Text - Class in org.apache.hadoop.io
该类使用标准UTF8编码存储文本。
Text() - Constructor for class org.apache.hadoop.io.Text
构造一个空文本字符串。
Text(String) - Constructor for class org.apache.hadoop.io.Text
从字符串构造。
Text(Text) - Constructor for class org.apache.hadoop.io.Text
从另一个文本构造。
Text(byte[]) - Constructor for class org.apache.hadoop.io.Text
从字节数组构造。
TextFileRegionAliasMap - Class in org.apache.hadoop.hdfs.server.common.blockaliasmap.impl
该类用于存储为文本文件的块映射,使用指定的分隔符。
TextFileRegionAliasMap() - Constructor for class org.apache.hadoop.hdfs.server.common.blockaliasmap.impl.TextFileRegionAliasMap
 
TextInputFormat - Class in org.apache.hadoop.mapred
An InputFormat for plain text files.
TextInputFormat() - Constructor for class org.apache.hadoop.mapred.TextInputFormat
 
TextInputFormat - Class in org.apache.hadoop.mapreduce.lib.input
An InputFormat for plain text files.
TextInputFormat() - Constructor for class org.apache.hadoop.mapreduce.lib.input.TextInputFormat
 
TextOutputFormat<K,V> - Class in org.apache.hadoop.mapred
An OutputFormat that writes plain text files.
TextOutputFormat() - Constructor for class org.apache.hadoop.mapred.TextOutputFormat
 
TextOutputFormat<K,V> - Class in org.apache.hadoop.mapreduce.lib.output
An OutputFormat that writes plain text files.
TextOutputFormat() - Constructor for class org.apache.hadoop.mapreduce.lib.output.TextOutputFormat
 
TextSplitter - Class in org.apache.hadoop.mapreduce.lib.db
在文本字符串上实现DBSplitter。
TextSplitter() - Constructor for class org.apache.hadoop.mapreduce.lib.db.TextSplitter
 
TFile - Class in org.apache.hadoop.io.file.tfile
TFile是一个键值对的容器。
TFILE_FS_INPUT_BUFFER_SIZE_DEFAULT - Static variable in class org.apache.hadoop.fs.CommonConfigurationKeysPublic
TFILE_FS_INPUT_BUFFER_SIZE_KEY的默认值
TFILE_FS_INPUT_BUFFER_SIZE_KEY - Static variable in class org.apache.hadoop.fs.CommonConfigurationKeysPublic
 
TFILE_FS_OUTPUT_BUFFER_SIZE_DEFAULT - Static variable in class org.apache.hadoop.fs.CommonConfigurationKeysPublic
TFILE_FS_OUTPUT_BUFFER_SIZE_KEY的默认值
TFILE_FS_OUTPUT_BUFFER_SIZE_KEY - Static variable in class org.apache.hadoop.fs.CommonConfigurationKeysPublic
 
TFILE_IO_CHUNK_SIZE_DEFAULT - Static variable in class org.apache.hadoop.fs.CommonConfigurationKeysPublic
TFILE_IO_CHUNK_SIZE_DEFAULT 的默认值
TFILE_IO_CHUNK_SIZE_KEY - Static variable in class org.apache.hadoop.fs.CommonConfigurationKeysPublic
 
theAggregatorDescriptor - Variable in class org.apache.hadoop.mapreduce.lib.aggregate.UserDefinedValueAggregatorDescriptor
 
THOUSAND - Static variable in class org.apache.hadoop.fs.azurebfs.constants.FileSystemConfigurations
 
THREAD_POOL_SHUTDOWN_DELAY_SECONDS - Static variable in class org.apache.hadoop.fs.s3a.常量
清理时等待线程池终止的时长。
throwExceptionWhenArrayOutOfBound(int) - Method in class org.apache.hadoop.yarn.api.records.Resource
 
时间 - Variable in class org.apache.hadoop.registry.client.types.RegistryPathStatus
时间戳
时间 - Variable in class org.apache.hadoop.service.LifecycleEvent
事件发生时的本地时间(毫秒)
time() - Method in class org.apache.hadoop.util.OperationDuration
评估系统时间。
TIME_SPENT_ON_PUT_REQUEST - Static variable in class org.apache.hadoop.fs.statistics.StreamStatisticNames
完成PUT请求所花费的总时间。
TIME_SPENT_ON_TASK_WAIT - Static variable in class org.apache.hadoop.fs.statistics.StreamStatisticNames
等待任务完成所花费的总时间。
TIME_UNIT_DEFAULT - Static variable in class org.apache.hadoop.util.ShutdownHookManager
默认使用的时间单位:秒。
timedClockConstraint(PlacementConstraint.AbstractConstraint, long, TimeUnit) - Static method in class org.apache.hadoop.yarn.api.resource.PlacementConstraints
创建一个必须在时间窗口内满足的放置约束。
timedOpportunitiesConstraint(PlacementConstraint.AbstractConstraint, long) - Static method in class org.apache.hadoop.yarn.api.resource.PlacementConstraints
创建一个必须在若干次放置机会(调度器调用)内满足的放置约束。
TIMELINE_CSRF_CUSTOM_HEADER - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
TIMELINE_CSRF_ENABLED - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
TIMELINE_CSRF_METHODS_TO_IGNORE - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
TIMELINE_CSRF_PREFIX - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
TIMELINE_DELEGATION_KEY_UPDATE_INTERVAL - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
TIMELINE_DELEGATION_TOKEN_MAX_LIFETIME - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
TIMELINE_DELEGATION_TOKEN_RENEW_INTERVAL - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
TIMELINE_ENTITY_GROUPID_STR_PREFIX - Static variable in class org.apache.hadoop.yarn.api.records.timeline.TimelineEntityGroupId
 
TIMELINE_HTTP_AUTH_PREFIX - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
时间轴HTTP身份验证的配置前缀。
TIMELINE_HTTP_AUTH_TYPE - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
Timeline HTTP认证的认证类型。
TIMELINE_OFFLINE_AGGREGATION_PREFIX - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
TIMELINE_SERVICE_ADDRESS - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
Timeline服务RPC API的主机端口地址。
TIMELINE_SERVICE_AGGREGATION_INTERVAL_SECS - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
该设置项用于控制在时间线收集器中触发内存应用级聚合的频率。
TIMELINE_SERVICE_BIND_HOST - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
时间轴服务应用程序的监听端点。
TIMELINE_SERVICE_CLIENT_BEST_EFFORT - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
Timeline客户端策略:连接失败是否致命
TIMELINE_SERVICE_CLIENT_FD_CLEAN_INTERVAL_SECS - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
TIMELINE_SERVICE_CLIENT_FD_CLEAN_INTERVAL_SECS_DEFAULT - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
TIMELINE_SERVICE_CLIENT_FD_FLUSH_INTERVAL_SECS - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
TIMELINE_SERVICE_CLIENT_FD_FLUSH_INTERVAL_SECS_DEFAULT - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
TIMELINE_SERVICE_CLIENT_FD_RETAIN_SECS - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
TIMELINE_SERVICE_CLIENT_FD_RETAIN_SECS_DEFAULT - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
TIMELINE_SERVICE_CLIENT_INTERNAL_ATTEMPT_DIR_CACHE_SIZE - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
TIMELINE_SERVICE_CLIENT_INTERNAL_TIMERS_TTL_SECS - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
TIMELINE_SERVICE_CLIENT_INTERNAL_TIMERS_TTL_SECS_DEFAULT - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
TIMELINE_SERVICE_CLIENT_MAX_RETRIES - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
Timeline客户端调用,最大重试次数(-1表示无限制)
TIMELINE_SERVICE_CLIENT_PREFIX - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
Timeline客户端设置。
TIMELINE_SERVICE_CLIENT_RETRY_INTERVAL_MS - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
Timeline客户端调用,重试间隔
TIMELINE_SERVICE_COLLECTOR_BIND_HOST - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
TIMELINE_SERVICE_COLLECTOR_BIND_PORT_RANGES - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
TIMELINE_SERVICE_COLLECTOR_PREFIX - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
将收集器属性标记为私有,因为它作为辅助服务运行。
TIMELINE_SERVICE_COLLECTOR_WEBAPP_ADDRESS - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
TIMELINE_SERVICE_COLLECTOR_WEBAPP_HTTPS_ADDRESS - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
TIMELINE_SERVICE_ENABLED - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
控制时间轴服务是否启用的设置。
TIMELINE_SERVICE_ENTITY_GROUP_PLUGIN_CLASSES - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
TIMELINE_SERVICE_ENTITY_GROUP_PLUGIN_CLASSPATH - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
TIMELINE_SERVICE_ENTITY_GROUP_PLUGIN_SYSTEM_CLASSES - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
TIMELINE_SERVICE_ENTITYFILE_FS_SUPPORT_APPEND - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
TIMELINE_SERVICE_ENTITYGROUP_FS_STORE_ACTIVE_DIR - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
TIMELINE_SERVICE_ENTITYGROUP_FS_STORE_ACTIVE_DIR_DEFAULT - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
TIMELINE_SERVICE_ENTITYGROUP_FS_STORE_APP_CACHE_SIZE - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
TIMELINE_SERVICE_ENTITYGROUP_FS_STORE_APP_CACHE_SIZE_DEFAULT - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
TIMELINE_SERVICE_ENTITYGROUP_FS_STORE_CACHE_STORE - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
TIMELINE_SERVICE_ENTITYGROUP_FS_STORE_CLEANER_INTERVAL_SECONDS - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
TIMELINE_SERVICE_ENTITYGROUP_FS_STORE_CLEANER_INTERVAL_SECONDS_DEFAULT - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
TIMELINE_SERVICE_ENTITYGROUP_FS_STORE_DONE_DIR - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
TIMELINE_SERVICE_ENTITYGROUP_FS_STORE_DONE_DIR_DEFAULT - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
TIMELINE_SERVICE_ENTITYGROUP_FS_STORE_PREFIX - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
时间线服务v1.5的设置
TIMELINE_SERVICE_ENTITYGROUP_FS_STORE_RECOVERY_ENABLED - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
TIMELINE_SERVICE_ENTITYGROUP_FS_STORE_RECOVERY_ENABLED_DEFAULT - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
TIMELINE_SERVICE_ENTITYGROUP_FS_STORE_RETAIN_SECONDS - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
TIMELINE_SERVICE_ENTITYGROUP_FS_STORE_RETAIN_SECONDS_DEFAULT - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
TIMELINE_SERVICE_ENTITYGROUP_FS_STORE_SCAN_INTERVAL_SECONDS - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
TIMELINE_SERVICE_ENTITYGROUP_FS_STORE_SCAN_INTERVAL_SECONDS_DEFAULT - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
TIMELINE_SERVICE_ENTITYGROUP_FS_STORE_SUMMARY_ENTITY_TYPES - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
TIMELINE_SERVICE_ENTITYGROUP_FS_STORE_SUMMARY_STORE - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
TIMELINE_SERVICE_ENTITYGROUP_FS_STORE_THREADS - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
TIMELINE_SERVICE_ENTITYGROUP_FS_STORE_THREADS_DEFAULT - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
TIMELINE_SERVICE_ENTITYGROUP_FS_STORE_UNKNOWN_ACTIVE_SECONDS - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
TIMELINE_SERVICE_ENTITYGROUP_FS_STORE_UNKNOWN_ACTIVE_SECONDS_DEFAULT - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
TIMELINE_SERVICE_ENTITYGROUP_FS_STORE_WITH_USER_DIR - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
TIMELINE_SERVICE_HANDLER_THREAD_COUNT - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
处理客户端RPC API请求的线程数量。
TIMELINE_SERVICE_HBASE_CONFIGURATION_FILE - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
该设置指向一个可选的HBase配置文件(hbase-site.xml),其中包含的配置将覆盖类路径中找到的配置。
TIMELINE_SERVICE_HBASE_SCHEMA_PREFIX_NAME - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
用于覆盖模式前缀的配置参数名称。
TIMELINE_SERVICE_HTTP_CROSS_ORIGIN_ENABLED - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
为时间线服务器启用跨域支持。
TIMELINE_SERVICE_HTTP_CROSS_ORIGIN_ENABLED_DEFAULT - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
时间轴服务器跨源支持的默认值。
TIMELINE_SERVICE_KEYTAB - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
时间轴服务器的Kerberos密钥表。
TIMELINE_SERVICE_LEVELDB_CACHE_READ_CACHE_SIZE - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
TIMELINE_SERVICE_LEVELDB_MAX_OPEN_FILES - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
Timeline服务leveldb并发打开文件的数量。
TIMELINE_SERVICE_LEVELDB_PATH - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
Timeline服务leveldb路径
TIMELINE_SERVICE_LEVELDB_PREFIX - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
Timeline Service leveldb 的具体实现配置前缀。
TIMELINE_SERVICE_LEVELDB_READ_CACHE_SIZE - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
Timeline服务leveldb读取缓存(未压缩块)。
TIMELINE_SERVICE_LEVELDB_START_TIME_READ_CACHE_SIZE - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
Timeline服务leveldb启动时间读取缓存(实体数量)
TIMELINE_SERVICE_LEVELDB_START_TIME_WRITE_CACHE_SIZE - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
Timeline服务leveldb启动时间写入缓存(实体数量)
TIMELINE_SERVICE_LEVELDB_STATE_STORE_PATH - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
Timeline服务状态存储leveldb路径
TIMELINE_SERVICE_LEVELDB_STATE_STORE_PREFIX - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
TIMELINE_SERVICE_LEVELDB_TTL_INTERVAL_MS - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
Timeline服务leveldb删除轮次之间的等待间隔
TIMELINE_SERVICE_LEVELDB_WRITE_BATCH_SIZE - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
Timeline服务leveldb写入批量大小。
TIMELINE_SERVICE_LEVELDB_WRITE_BUFFER_SIZE - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
Timeline服务leveldb写入缓冲区大小。
TIMELINE_SERVICE_PREFIX - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
TIMELINE_SERVICE_PRINCIPAL - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
时间线服务器的Kerberos主体。
TIMELINE_SERVICE_READ_ALLOWED_USERS - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
该设置项用于列出允许读取Timeline Service V2数据的用户和组。
TIMELINE_SERVICE_READ_AUTH_ENABLED - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
用于启用或禁用读取时间线服务v2数据时进行身份验证检查的设置名称。
TIMELINE_SERVICE_READER_BIND_HOST - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
时间线读取器的设置。
TIMELINE_SERVICE_READER_CLASS - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
TIMELINE_SERVICE_READER_PREFIX - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
Timeline服务v2.0的设置。
TIMELINE_SERVICE_READER_STORAGE_MONITOR_INTERVAL_MS - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
TIMELINE_SERVICE_READER_WEBAPP_ADDRESS - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
TIMELINE_SERVICE_READER_WEBAPP_HTTPS_ADDRESS - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
TIMELINE_SERVICE_RECOVERY_ENABLED - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
启用时间轴服务恢复的标志
TIMELINE_SERVICE_ROLLING_PERIOD - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
Timeline服务滚动周期。
TIMELINE_SERVICE_SCHEMA_CREATOR_CLASS - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
TIMELINE_SERVICE_STATE_STORE_CLASS - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
时间轴服务状态存储类
TIMELINE_SERVICE_STORE - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
时间轴服务存储类。
TIMELINE_SERVICE_TTL_ENABLE - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
Timeline服务启用数据老化关闭
TIMELINE_SERVICE_TTL_MS - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
Timeline服务保留数据的时长
TIMELINE_SERVICE_UI_NAMES - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
时间线服务器托管的用户界面名称的逗号分隔列表(适用于可插拔用户界面)。
TIMELINE_SERVICE_UI_ON_DISK_PATH_PREFIX - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
该UI的war文件路径或静态内容目录路径 (适用于可插拔UI)。
TIMELINE_SERVICE_UI_WEB_PATH_PREFIX - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
提供此UI的相对Web路径(适用于可插拔UI)。
TIMELINE_SERVICE_VERSION - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
TIMELINE_SERVICE_VERSIONS - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
TIMELINE_SERVICE_WEBAPP_ADDRESS - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
时间线服务Web应用的地址。
TIMELINE_SERVICE_WEBAPP_HTTPS_ADDRESS - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
时间线服务Web应用的https地址。
TIMELINE_SERVICE_WRITER_ASYNC_QUEUE_CAPACITY - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
控制异步写入时间线收集器队列容量的设置
TIMELINE_SERVICE_WRITER_CLASS - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
TIMELINE_SERVICE_WRITER_FLUSH_INTERVAL_SECONDS - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
控制时间线收集器刷新时间线写入器频率的设置。
TIMELINE_V2_CLIENT_DRAIN_TIME_MILLIS - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
timeline v2客户端在停止后等待清空剩余实体的时间周期。
TIMELINE_XFS_OPTIONS - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
TIMELINE_XFS_PREFIX - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
时间轴关于 - Class in org.apache.hadoop.yarn.api.records.timeline
 
TimelineAbout() - Constructor for class org.apache.hadoop.yarn.api.records.timeline.TimelineAbout
 
TimelineAbout(String) - Constructor for class org.apache.hadoop.yarn.api.records.timeline.TimelineAbout
 
TimelineClient - Class in org.apache.hadoop.yarn.client.api
一个客户端库,可用于通过一系列概念实体来发布某些信息。
TimelineClient(String) - Constructor for class org.apache.hadoop.yarn.client.api.TimelineClient
 
TimelineDelegationTokenIdentifier - Class in org.apache.hadoop.yarn.security.client
 
TimelineDelegationTokenIdentifier() - Constructor for class org.apache.hadoop.yarn.security.client.TimelineDelegationTokenIdentifier
 
TimelineDelegationTokenIdentifier(Text, Text, Text) - Constructor for class org.apache.hadoop.yarn.security.client.TimelineDelegationTokenIdentifier
创建一个新的时间轴委托令牌标识符
TimelineDelegationTokenResponse - Class in org.apache.hadoop.yarn.api.records.timeline
委托令牌相关请求的响应
TimelineDelegationTokenResponse() - Constructor for class org.apache.hadoop.yarn.api.records.timeline.TimelineDelegationTokenResponse
 
TimelineDelegationTokenSelector - Class in org.apache.hadoop.yarn.security.client
 
TimelineDelegationTokenSelector() - Constructor for class org.apache.hadoop.yarn.security.client.TimelineDelegationTokenSelector
 
TimelineDomain - Class in org.apache.hadoop.yarn.api.records.timeline
该类包含有关时间线域的信息,用于让用户托管多个时间线实体,将它们与其他实体隔离。
TimelineDomain() - Constructor for class org.apache.hadoop.yarn.api.records.timeline.TimelineDomain
 
TimelineDomain - Class in org.apache.hadoop.yarn.api.records.timelineservice
该类包含有关时间线服务域的信息,用于让用户托管多个时间线实体,并将它们与其他实体隔离。
TimelineDomain() - Constructor for class org.apache.hadoop.yarn.api.records.timelineservice.TimelineDomain
 
时间线域 - Class in org.apache.hadoop.yarn.api.records.timeline
托管时间线域列表的类。
TimelineDomains() - Constructor for class org.apache.hadoop.yarn.api.records.timeline.TimelineDomains
 
TimelineEntities - Class in org.apache.hadoop.yarn.api.records.timeline
托管时间线实体列表的类。
TimelineEntities() - Constructor for class org.apache.hadoop.yarn.api.records.timeline.TimelineEntities
 
TimelineEntities - Class in org.apache.hadoop.yarn.api.records.timelineservice
该类托管一组时间线实体。
TimelineEntities() - Constructor for class org.apache.hadoop.yarn.api.records.timelineservice.TimelineEntities
 
TimelineEntity - Class in org.apache.hadoop.yarn.api.records.timeline
包含某个概念实体的元信息及其相关事件的类。
TimelineEntity() - Constructor for class org.apache.hadoop.yarn.api.records.timeline.TimelineEntity
 
TimelineEntity - Class in org.apache.hadoop.yarn.api.records.timelineservice
时间线服务v2的基本时间线实体数据结构。
TimelineEntity() - Constructor for class org.apache.hadoop.yarn.api.records.timelineservice.TimelineEntity
 
TimelineEntity(TimelineEntity) - Constructor for class org.apache.hadoop.yarn.api.records.timelineservice.TimelineEntity
The constuctor is used to construct a proxy TimelineEntity or its subclass object from the real entity object that carries information.
TimelineEntity(String) - Constructor for class org.apache.hadoop.yarn.api.records.timelineservice.TimelineEntity
 
TimelineEntityGroupId - Class in org.apache.hadoop.yarn.api.records.timeline
TimelineEntityGroupId is an abstract way for timeline service users to represent “a group of related timeline data.
TimelineEntityGroupId() - Constructor for class org.apache.hadoop.yarn.api.records.timeline.TimelineEntityGroupId
 
TimelineEntityType - Enum in org.apache.hadoop.yarn.api.records.timelineservice
定义实体的类型。
TimelineEvent - Class in org.apache.hadoop.yarn.api.records.timeline
包含与应用程序某个概念实体相关的事件信息的类。
TimelineEvent() - Constructor for class org.apache.hadoop.yarn.api.records.timeline.TimelineEvent
 
TimelineEvent - Class in org.apache.hadoop.yarn.api.records.timelineservice
该类包含属于某个实体的一个事件的信息。
TimelineEvent() - Constructor for class org.apache.hadoop.yarn.api.records.timelineservice.TimelineEvent
 
TimelineEvents - Class in org.apache.hadoop.yarn.api.records.timeline
该类托管了一个事件列表,这些事件根据其相关实体进行了分类。
TimelineEvents() - Constructor for class org.apache.hadoop.yarn.api.records.timeline.TimelineEvents
 
TimelineEvents.EventsOfOneEntity - Class in org.apache.hadoop.yarn.api.records.timeline
该类托管仅与一个实体相关的事件列表。
时间线健康状态 - Class in org.apache.hadoop.yarn.api.records.timeline
该类保存ATS的健康信息。
TimelineHealth(TimelineHealth.TimelineHealthStatus, String) - Constructor for class org.apache.hadoop.yarn.api.records.timeline.TimelineHealth
 
TimelineHealth() - Constructor for class org.apache.hadoop.yarn.api.records.timeline.TimelineHealth
 
TimelineMetric - Class in org.apache.hadoop.yarn.api.records.timelineservice
该类包含与某个实体相关的指标信息。
TimelineMetric() - Constructor for class org.apache.hadoop.yarn.api.records.timelineservice.TimelineMetric
 
TimelineMetric(TimelineMetric.Type) - Constructor for class org.apache.hadoop.yarn.api.records.timelineservice.TimelineMetric
 
TimelinePutError() - Constructor for class org.apache.hadoop.yarn.api.records.timeline.TimelinePutResponse.TimelinePutError
 
TimelinePutResponse - Class in org.apache.hadoop.yarn.api.records.timeline
一个保存put错误列表的类。
TimelinePutResponse() - Constructor for class org.apache.hadoop.yarn.api.records.timeline.TimelinePutResponse
 
TimelinePutResponse.TimelinePutError - Class in org.apache.hadoop.yarn.api.records.timeline
一个用于保存某个实体错误码的类。
TimelineReaderClient - Class in org.apache.hadoop.yarn.client.api
一个客户端库,可用于获取与应用程序、应用程序尝试或容器相关联的时间线实体。
TimelineReaderClient(String) - Constructor for class org.apache.hadoop.yarn.client.api.TimelineReaderClient
 
TimelineReaderClientImpl - Class in org.apache.hadoop.yarn.client.api.impl
TimelineReaderClient接口的实现。
TimelineReaderClientImpl() - Constructor for class org.apache.hadoop.yarn.client.api.impl.TimelineReaderClientImpl
 
timelineServiceEnabled(Configuration) - Static method in class org.apache.hadoop.yarn.conf.YarnConfiguration
返回是否通过配置启用了时间线服务。
timelineServiceEnabled(Configuration) - Static method in class org.apache.hadoop.yarn.util.timeline.TimelineUtils
返回是否通过配置启用了时间线服务。
timelineServiceV15Enabled(Configuration) - Static method in class org.apache.hadoop.yarn.conf.YarnConfiguration
返回是否通过配置启用了时间线服务v.1.5。
timelineServiceV1_5Enabled(Configuration) - Static method in class org.apache.hadoop.yarn.util.timeline.TimelineUtils
返回是否默认通过配置启用了时间线服务v.1.5。
timelineServiceV1Enabled(Configuration) - Static method in class org.apache.hadoop.yarn.conf.YarnConfiguration
返回是否通过配置启用了时间线服务v.1。
timelineServiceV2Enabled(Configuration) - Static method in class org.apache.hadoop.yarn.conf.YarnConfiguration
返回是否通过配置启用了时间线服务v.2。
TimelineUtils - Class in org.apache.hadoop.yarn.util.timeline
时间线模块的辅助类。
TimelineUtils() - Constructor for class org.apache.hadoop.yarn.util.timeline.TimelineUtils
 
TimelineWriteError() - Constructor for class org.apache.hadoop.yarn.api.records.timelineservice.TimelineWriteResponse.TimelineWriteError
 
TimelineWriteResponse - Class in org.apache.hadoop.yarn.api.records.timelineservice
一个保存put错误列表的类。
TimelineWriteResponse() - Constructor for class org.apache.hadoop.yarn.api.records.timelineservice.TimelineWriteResponse
 
TimelineWriteResponse.TimelineWriteError - Class in org.apache.hadoop.yarn.api.records.timelineservice
一个用于保存某个实体错误码的类。
TIMEOUT_ARG - Static variable in class org.apache.hadoop.tools.dynamometer.Client
 
TIMEOUT_DEFAULT - Static variable in class org.apache.hadoop.tools.dynamometer.Client
 
TIMEOUT_MINIMUM - Static variable in class org.apache.hadoop.util.ShutdownHookManager
最小关闭超时时间:1L 秒。
TimeoutException - Exception in org.apache.hadoop.fs.azurebfs.contracts.exceptions
当发生超时时抛出。
TimeoutException(String) - Constructor for exception org.apache.hadoop.fs.azurebfs.contracts.exceptions.TimeoutException
 
timeOutInterval - Variable in class org.apache.hadoop.util.Shell
执行脚本超时的时间。
timestamp() - Method in interface org.apache.hadoop.metrics2.MetricsRecord
获取指标的时间戳
TIMESTAMP_GROUP - Static variable in class org.apache.hadoop.fs.s3a.audit.S3LogParser
日志组"timestamp"。
TLDIR_PERMISSIONS - Static variable in class org.apache.hadoop.yarn.logaggregation.filecontroller.LogAggregationFileController
用于创建应用程序目录的顶层目录权限。
TLS_GROUP - Static variable in class org.apache.hadoop.fs.s3a.audit.S3LogParser
日志组 "tls"。
TMP_SUFFIX - Static variable in class org.apache.hadoop.mapreduce.lib.output.committer.manifest.ManifestCommitterConstants
在重命名临时文件之前使用的后缀。
toApplicationAttemptId(String) - Static method in class org.apache.hadoop.yarn.util.ConverterUtils
Deprecated.
toApplicationId(RecordFactory, String) - Static method in class org.apache.hadoop.yarn.util.ConverterUtils
Deprecated.
toApplicationId(String) - Static method in class org.apache.hadoop.yarn.util.ConverterUtils
Deprecated.
toArray() - Method in class org.apache.hadoop.io.ArrayWritable
 
toArray() - Method in class org.apache.hadoop.io.TwoDArrayWritable
 
toArray(RemoteIterator, T[]) - Static method in class org.apache.hadoop.util.functional.RemoteIterators
从RemoteIterator构建一个数组。
toByteArray() - Method in interface org.apache.hadoop.fs.PartHandle
 
toByteArray() - Method in interface org.apache.hadoop.fs.PathHandle
 
toByteArray() - Method in interface org.apache.hadoop.fs.UploadHandle
 
toByteArray(Writable...) - Static method in class org.apache.hadoop.io.WritableUtils
将可写对象转换为字节数组。
toBytes() - Method in class org.apache.hadoop.mapreduce.lib.output.committer.manifest.files.ManifestSuccessData
 
toContainerId(String) - Static method in class org.apache.hadoop.yarn.util.ConverterUtils
Deprecated.
toErasureCodingPolicy() - Method in class org.apache.hadoop.fs.ContentSummary
 
toExtendedShort() - Method in class org.apache.hadoop.fs.permission.FsPermission
Deprecated.
toFormattedString() - Method in class org.apache.hadoop.yarn.api.records.Resource
 
toINode(UGIResolver, BlockResolver, BlockAliasMap.Writer) - Method in class org.apache.hadoop.hdfs.server.namenode.TreePath
 
toJson() - Method in class org.apache.hadoop.mapreduce.lib.output.committer.manifest.files.ManifestSuccessData
转换为JSON。
Token() - Constructor for class org.apache.hadoop.security.token.delegation.web.DelegationTokenAuthenticatedURL.Token
 
Token<T extends TokenIdentifier> - Class in org.apache.hadoop.security.token
令牌的客户端形式。
Token(T, SecretManager) - Constructor for class org.apache.hadoop.security.token.Token
根据令牌标识符及其类型的密钥管理器构造一个令牌。
Token(byte[], byte[], Text, Text) - Constructor for class org.apache.hadoop.security.token.Token
从组件构建一个令牌。
Token() - Constructor for class org.apache.hadoop.security.token.Token
默认构造函数。
Token(Token) - Constructor for class org.apache.hadoop.security.token.Token
克隆一个令牌。
Token - Class in org.apache.hadoop.yarn.api.records
Token is the security entity used by the framework to verify authenticity of any resource.
Token() - Constructor for class org.apache.hadoop.yarn.api.records.Token
 
Token.TrivialRenewer - Class in org.apache.hadoop.security.token
一个简单的续订器,用于处理不受管理的令牌类型。
TOKEN_FILE_LOCATION_ARG - Static variable in class org.apache.hadoop.tools.dynamometer.Client
 
TOKEN_NAME_PREFIX - Static variable in class org.apache.hadoop.fs.s3a.auth.delegation.DelegationConstants
令牌名称的前缀:"S3ADelegationToken/".
TOKEN_PARAM - Static variable in class org.apache.hadoop.security.token.delegation.web.DelegationTokenAuthenticator
 
TOKEN_PROVIDER_TYPE_CLIENT_CRED - Static variable in class org.apache.hadoop.fs.adl.AdlConfKeys
 
TOKEN_PROVIDER_TYPE_REFRESH_TOKEN - Static variable in class org.apache.hadoop.fs.adl.AdlConfKeys
 
TOKEN_SEPARATOR_REGEX - Static variable in class org.apache.hadoop.util.Shell
用于解析Shell工具输出的令牌分隔符正则表达式。
TOKEN_TYPE - Static variable in class org.apache.hadoop.hdfs.web.oauth2.OAuth2Constants
 
TOKEN_VERSION - Static variable in class org.apache.hadoop.fs.azurebfs.constants.AbfsHttpConstants
 
TokenCache - Class in org.apache.hadoop.mapreduce.security
该类提供了面向用户的API,用于将密钥从作业客户端传输到任务。
TokenCache() - Constructor for class org.apache.hadoop.mapreduce.security.TokenCache
 
TokenCounterMapper - Class in org.apache.hadoop.mapreduce.lib.map
对输入值进行分词处理,并输出每个单词及其计数为1。
TokenCounterMapper() - Constructor for class org.apache.hadoop.mapreduce.lib.map.TokenCounterMapper
 
TokenCountMapper<K> - Class in org.apache.hadoop.mapred.lib
A Mapper that maps text values into <token,freq> pairs.
TokenCountMapper() - Constructor for class org.apache.hadoop.mapred.lib.TokenCountMapper
 
TokenIdentifier - Class in org.apache.hadoop.security.token
一个用于标识令牌的标识符,可能包含有关令牌的公开信息,包括其种类(或类型)。
TokenIdentifier() - Constructor for class org.apache.hadoop.security.token.TokenIdentifier
 
TokenInfo - Annotation Type in org.apache.hadoop.security.token
指示要使用的Token相关信息
tokenOwnerStats - Variable in class org.apache.hadoop.security.token.delegation.AbstractDelegationTokenSecretManager
令牌实际所有者与其令牌数量的映射关系。
TokenRenewer - Class in org.apache.hadoop.security.token
这是处理令牌的插件接口。
TokenRenewer() - Constructor for class org.apache.hadoop.security.token.TokenRenewer
 
TokenSelector<T extends TokenIdentifier> - Interface in org.apache.hadoop.security.token
从令牌中选择类型为T的令牌,用于指定的服务
toList(RemoteIterator) - Static method in class org.apache.hadoop.util.functional.RemoteIterators
从RemoteIterator构建列表。
toNewBlock() - Method in class org.apache.hadoop.hdfs.inotify.Event.AppendEvent
 
toNodeId(String) - Static method in class org.apache.hadoop.yarn.util.ConverterUtils
Deprecated.
toOctal() - Method in class org.apache.hadoop.fs.permission.FsPermission
以八进制格式返回FsPermission。
工具 - Interface in org.apache.hadoop.util
一个支持处理通用命令行选项的工具接口。
ToolRunner - Class in org.apache.hadoop.util
A utility to help run Tools.
ToolRunner() - Constructor for class org.apache.hadoop.util.ToolRunner
 
toPath() - Method in class org.apache.hadoop.yarn.api.records.URL
 
TOPIC - Static variable in class org.apache.hadoop.metrics2.sink.KafkaSink
 
toProtoBufBytes(ProvidedStorageLocation) - Static method in class org.apache.hadoop.hdfs.server.aliasmap.InMemoryAliasMap
 
toProtoBufBytes(Block) - Static method in class org.apache.hadoop.hdfs.server.aliasmap.InMemoryAliasMap
 
toShort() - Method in class org.apache.hadoop.fs.permission.FsPermission
将对象编码为短整型。
toSnapshot(boolean) - Method in class org.apache.hadoop.fs.ContentSummary
返回快照计数的字符串表示形式,采用输出格式。
toString() - Method in class org.apache.hadoop.conf.配置
 
toString() - Method in exception org.apache.hadoop.fs.azurebfs.contracts.exceptions.AzureBlobFileSystemException
 
toString() - Method in class org.apache.hadoop.fs.BlockLocation
 
toString() - Method in class org.apache.hadoop.fs.ContentSummary
 
toString(boolean) - Method in class org.apache.hadoop.fs.ContentSummary
返回对象在输出格式中的字符串表示形式。
toString(boolean, boolean) - Method in class org.apache.hadoop.fs.ContentSummary
返回对象在输出格式中的字符串表示形式。
toString(boolean, boolean, boolean) - Method in class org.apache.hadoop.fs.ContentSummary
返回对象在输出格式中的字符串表示形式。
toString(boolean, boolean, boolean, List) - Method in class org.apache.hadoop.fs.ContentSummary
返回对象在输出格式中的字符串表示形式。
toString(boolean, boolean, boolean, boolean, List) - Method in class org.apache.hadoop.fs.ContentSummary
返回对象在输出格式中的字符串表示形式。
toString() - Method in class org.apache.hadoop.fs.FileStatus
 
toString() - Method in class org.apache.hadoop.fs.FSDataInputStream
字符串值。
toString() - Method in class org.apache.hadoop.fs.FSDataOutputStream
 
toString() - Method in class org.apache.hadoop.fs.FSInputStream
toString method returns the superclass toString, but if the subclass implements IOStatisticsSource then those statistics are extracted and included in the output.
toString() - Method in class org.apache.hadoop.fs.PartialListing
 
toString() - Method in class org.apache.hadoop.fs.Path
 
toString() - Method in class org.apache.hadoop.fs.permission.AclEntry
 
toString() - Method in enum org.apache.hadoop.fs.permission.AclEntryType
 
toString() - Method in class org.apache.hadoop.fs.permission.AclStatus
 
toString() - Method in class org.apache.hadoop.fs.permission.FsCreateModes
 
toString() - Method in class org.apache.hadoop.fs.permission.FsPermission
 
toString() - Method in class org.apache.hadoop.fs.QuotaUsage
 
toString(boolean) - Method in class org.apache.hadoop.fs.QuotaUsage
 
toString(boolean, boolean, List) - Method in class org.apache.hadoop.fs.QuotaUsage
返回对象在输出格式中的字符串表示形式。
toString() - Method in class org.apache.hadoop.fs.RawLocalFileSystem
 
toString() - Method in class org.apache.hadoop.fs.s3a.auth.AssumedRoleCredentialProvider
 
toString() - Method in class org.apache.hadoop.fs.s3a.auth.IAMInstanceCredentialsProvider
 
toString() - Method in class org.apache.hadoop.fs.s3a.commit.magic.MagicS3GuardCommitter
 
toString() - Method in class org.apache.hadoop.fs.s3a.S3A
 
toString() - Method in class org.apache.hadoop.fs.s3a.SimpleAWSCredentialsProvider
 
toString() - Method in class org.apache.hadoop.fs.statistics.DurationStatisticSummary
 
toString() - Method in class org.apache.hadoop.fs.statistics.IOStatisticsSnapshot
 
toString() - Method in class org.apache.hadoop.fs.statistics.MeanStatistic
 
toString() - Method in class org.apache.hadoop.hdfs.client.BlockReportOptions
 
toString() - Method in class org.apache.hadoop.hdfs.inotify.Event.AppendEvent
 
toString() - Method in class org.apache.hadoop.hdfs.inotify.Event.CloseEvent
 
toString() - Method in class org.apache.hadoop.hdfs.inotify.Event.CreateEvent
 
toString() - Method in class org.apache.hadoop.hdfs.inotify.Event.MetadataUpdateEvent
 
toString() - Method in class org.apache.hadoop.hdfs.inotify.Event.RenameEvent
 
toString() - Method in class org.apache.hadoop.hdfs.inotify.Event.TruncateEvent
 
toString() - Method in class org.apache.hadoop.hdfs.inotify.Event.UnlinkEvent
 
toString() - Method in exception org.apache.hadoop.hdfs.inotify.MissingEventsException
 
toString() - Method in class org.apache.hadoop.hdfs.protocol.CacheDirectiveInfo
 
toString() - Method in class org.apache.hadoop.hdfs.protocol.CacheDirectiveStats
 
toString() - Method in class org.apache.hadoop.hdfs.protocol.CachePoolInfo
 
toString() - Method in class org.apache.hadoop.hdfs.protocol.CachePoolStats
 
toString() - Method in class org.apache.hadoop.hdfs.protocol.ECBlockGroupStats
 
toString() - Method in class org.apache.hadoop.hdfs.protocol.EncryptionZone
 
toString() - Method in class org.apache.hadoop.hdfs.protocol.ReplicatedBlockStats
 
toString() - Method in class org.apache.hadoop.hdfs.server.namenode.TreePath
 
toString() - Method in class org.apache.hadoop.io.ArrayWritable
 
toString() - Method in class org.apache.hadoop.io.BooleanWritable
 
toString() - Method in class org.apache.hadoop.io.BytesWritable
将字节流生成为以空格分隔的十六进制对。
toString() - Method in class org.apache.hadoop.io.ByteWritable
 
toString() - Method in class org.apache.hadoop.io.compress.CompressionCodecFactory
将扩展映射以字符串形式打印出来。
toString(T) - Method in class org.apache.hadoop.io.DefaultStringifier
 
toString() - Method in class org.apache.hadoop.io.DoubleWritable
 
toString() - Method in class org.apache.hadoop.io.EnumSetWritable
 
toString() - Method in class org.apache.hadoop.io.erasurecode.ECSchema
为日志输出创建有意义的字符串表示。
toString() - Method in class org.apache.hadoop.io.FloatWritable
 
toString() - Method in class org.apache.hadoop.io.GenericWritable
 
toString() - Method in class org.apache.hadoop.io.IntWritable
 
toString() - Method in class org.apache.hadoop.io.LongWritable
 
toString() - Method in class org.apache.hadoop.io.MapWritable
 
toString() - Method in class org.apache.hadoop.io.MD5Hash
返回该对象的字符串表示形式。
toString() - Method in class org.apache.hadoop.io.NullWritable
 
toString() - Method in class org.apache.hadoop.io.ObjectWritable
 
toString() - Method in class org.apache.hadoop.io.ShortWritable
字符串格式的短值
toString(T) - Method in interface org.apache.hadoop.io.Stringifier
将对象转换为字符串表示形式
toString() - Method in class org.apache.hadoop.io.Text
 
toString() - Method in exception org.apache.hadoop.io.VersionMismatchException
返回该对象的字符串表示形式。
toString() - Method in class org.apache.hadoop.io.VIntWritable
 
toString() - Method in class org.apache.hadoop.io.VLongWritable
 
toString() - Method in class org.apache.hadoop.ipc.CallerContext
 
toString() - Method in class org.apache.hadoop.ipc.Client
 
toString() - Method in class org.apache.hadoop.mapred.FileSplit
 
toString() - Method in class org.apache.hadoop.mapred.MultiFileSplit
 
toString() - Method in class org.apache.hadoop.mapreduce.counters.AbstractCounters
返回计数器值的文本表示。
toString() - Method in class org.apache.hadoop.mapreduce.ID
 
toString() - Method in class org.apache.hadoop.mapreduce.Job
将统计信息转储到屏幕。
toString() - Method in class org.apache.hadoop.mapreduce.JobID
 
toString() - Method in class org.apache.hadoop.mapreduce.JobStatus
 
toString() - Method in class org.apache.hadoop.mapreduce.lib.aggregate.UserDefinedValueAggregatorDescriptor
 
toString() - Method in class org.apache.hadoop.mapreduce.lib.input.CombineFileSplit
 
toString() - Method in class org.apache.hadoop.mapreduce.lib.input.FileSplit
 
toString() - Method in class org.apache.hadoop.mapreduce.lib.jobcontrol.ControlledJob
 
toString() - Method in class org.apache.hadoop.mapreduce.lib.join.TupleWritable
将元组转换为字符串,如下所示。
toString() - Method in class org.apache.hadoop.mapreduce.lib.output.BindingPathOutputCommitter
 
toString() - Method in class org.apache.hadoop.mapreduce.lib.output.committer.manifest.files.DirEntry
 
toString() - Method in class org.apache.hadoop.mapreduce.lib.output.committer.manifest.files.ManifestSuccessData
 
toString() - Method in class org.apache.hadoop.mapreduce.lib.output.committer.manifest.ManifestCommitter
 
toString() - Method in class org.apache.hadoop.mapreduce.lib.output.FileOutputCommitter
 
toString() - Method in class org.apache.hadoop.mapreduce.lib.output.PathOutputCommitter
 
toString() - Method in enum org.apache.hadoop.mapreduce.QueueState
 
toString() - Method in class org.apache.hadoop.mapreduce.TaskAttemptID
 
toString() - Method in class org.apache.hadoop.mapreduce.TaskCompletionEvent
 
toString() - Method in class org.apache.hadoop.mapreduce.TaskID
 
toString() - Method in class org.apache.hadoop.metrics2.AbstractMetric
 
toString() - Method in class org.apache.hadoop.metrics2.lib.MetricsRegistry
 
toString() - Method in class org.apache.hadoop.metrics2.lib.MutableGaugeInt
 
toString() - Method in class org.apache.hadoop.metrics2.lib.MutableGaugeLong
 
toString() - Method in class org.apache.hadoop.metrics2.lib.MutableStat
 
toString() - Method in class org.apache.hadoop.metrics2.MetricsJsonBuilder
 
toString() - Method in class org.apache.hadoop.metrics2.MetricsTag
 
toString() - Method in class org.apache.hadoop.metrics2.MetricStringBuilder
 
toString() - Method in class org.apache.hadoop.net.CachedDNSToSwitchMapping
 
toString() - Method in class org.apache.hadoop.net.ScriptBasedMapping
 
toString() - Method in class org.apache.hadoop.record.Buffer
Deprecated.
 
toString(String) - Method in class org.apache.hadoop.record.Buffer
Deprecated.
将字节缓冲区转换为特定字符编码的字符串
toString() - Method in class org.apache.hadoop.record.Record
Deprecated.
 
toString() - Method in class org.apache.hadoop.registry.client.types.Endpoint
 
toString() - Method in class org.apache.hadoop.registry.client.types.RegistryPathStatus
 
toString() - Method in class org.apache.hadoop.registry.client.types.ServiceRecord
 
toString() - Method in class org.apache.hadoop.security.authorize.AccessControlList
返回描述此ACL中包含的用户和组的方式。
toString() - Method in class org.apache.hadoop.security.token.delegation.AbstractDelegationTokenIdentifier
 
toString() - Method in class org.apache.hadoop.security.token.Token
 
toString() - Method in class org.apache.hadoop.security.UserGroupInformation
返回用户名。
toString() - Method in class org.apache.hadoop.service.AbstractService
 
toString() - Method in class org.apache.hadoop.service.ServiceStateModel
返回状态文本作为toString()的值
toString() - Method in class org.apache.hadoop.tools.DistCpOptions
用于轻松将选项字符串化的实用工具,便于日志记录。
toString() - Method in class org.apache.hadoop.util.bloom.BloomFilter
 
toString() - Method in class org.apache.hadoop.util.bloom.CountingBloomFilter
 
toString() - Method in class org.apache.hadoop.util.bloom.DynamicBloomFilter
 
toString() - Method in class org.apache.hadoop.util.DurationInfo
 
toString() - Method in class org.apache.hadoop.util.OperationDuration
Return the duration as OperationDuration.humanTime(long).
toString() - Method in class org.apache.hadoop.yarn.api.records.ApplicationAttemptId
 
toString() - Method in class org.apache.hadoop.yarn.api.records.ApplicationId
 
toString() - Method in class org.apache.hadoop.yarn.api.records.ContainerId
 
toString() - Method in class org.apache.hadoop.yarn.api.records.NodeId
 
toString() - Method in class org.apache.hadoop.yarn.api.records.NodeLabel
 
toString() - Method in class org.apache.hadoop.yarn.api.records.优先级
 
toString() - Method in class org.apache.hadoop.yarn.api.records.ReservationId
 
toString() - Method in class org.apache.hadoop.yarn.api.records.Resource
 
toString() - Method in class org.apache.hadoop.yarn.api.records.ResourceOption
 
toString() - Method in class org.apache.hadoop.yarn.api.records.ResourceUtilization
 
toString() - Method in class org.apache.hadoop.yarn.api.records.timeline.TimelineEntityGroupId
 
toString() - Method in class org.apache.hadoop.yarn.api.records.timelineservice.TimelineEntity
 
toString() - Method in class org.apache.hadoop.yarn.api.records.timelineservice.TimelineMetric
 
toString() - Method in class org.apache.hadoop.yarn.api.records.UpdateContainerError
 
toString() - Method in class org.apache.hadoop.yarn.api.records.UpdateContainerRequest
 
toString() - Method in class org.apache.hadoop.yarn.api.resource.PlacementConstraint
 
toString() - Method in class org.apache.hadoop.yarn.event.AbstractEvent
 
toString() - Method in interface org.apache.hadoop.yarn.event.Event
 
toString() - Method in class org.apache.hadoop.yarn.logaggregation.AggregatedLogFormat.LogKey
 
toString() - Method in class org.apache.hadoop.yarn.security.AMRMTokenIdentifier
 
toString() - Method in class org.apache.hadoop.yarn.security.client.ClientToAMTokenIdentifier
 
toString() - Method in class org.apache.hadoop.yarn.security.ContainerTokenIdentifier
 
toString() - Method in class org.apache.hadoop.yarn.security.NMTokenIdentifier
 
toString() - Method in class org.apache.hadoop.yarn.service.api.records.Artifact
 
toString() - Method in class org.apache.hadoop.yarn.service.api.records.BaseResource
 
toString() - Method in class org.apache.hadoop.yarn.service.api.records.组件
 
toString() - Method in class org.apache.hadoop.yarn.service.api.records.ConfigFile
 
toString() - Method in enum org.apache.hadoop.yarn.service.api.records.ConfigFormat
 
toString() - Method in class org.apache.hadoop.yarn.service.api.records.配置
 
toString() - Method in class org.apache.hadoop.yarn.service.api.records.Container
 
toString() - Method in class org.apache.hadoop.yarn.service.api.records.错误
 
toString() - Method in class org.apache.hadoop.yarn.service.api.records.KerberosPrincipal
 
toString() - Method in class org.apache.hadoop.yarn.service.api.records.PlacementConstraint
 
toString() - Method in class org.apache.hadoop.yarn.service.api.records.PlacementPolicy
 
toString() - Method in enum org.apache.hadoop.yarn.service.api.records.PlacementScope
 
toString() - Method in class org.apache.hadoop.yarn.service.api.records.ReadinessCheck
 
toString() - Method in class org.apache.hadoop.yarn.service.api.records.Resource
 
toString() - Method in class org.apache.hadoop.yarn.service.api.records.Service
 
toString() - Method in class org.apache.hadoop.yarn.service.api.records.ServiceStatus
 
toString() - Method in class org.apache.hadoop.yarn.util.BoundedAppender
获取实际内容的字符串表示,当内容被截断时还会显示标题和省略号。
toString(ApplicationId) - Static method in class org.apache.hadoop.yarn.util.ConverterUtils
Deprecated.
toString(ContainerId) - Static method in class org.apache.hadoop.yarn.util.ConverterUtils
Deprecated.
toStrings() - Method in class org.apache.hadoop.io.ArrayWritable
 
toStringStable() - Method in class org.apache.hadoop.fs.permission.AclEntry
返回一个保证跨版本稳定的字符串表示,以满足向后兼容性需求,例如用于shell命令输出或序列化。
toStringStable() - Method in enum org.apache.hadoop.fs.permission.AclEntryType
返回一个保证跨版本稳定的字符串表示,以满足向后兼容性需求,例如用于shell命令输出或序列化。
toStringStable() - Method in class org.apache.hadoop.security.token.delegation.AbstractDelegationTokenIdentifier
 
TOTAL_MEMORY - Static variable in class org.apache.hadoop.mapreduce.lib.output.committer.manifest.files.DiagnosticKeys
 
TotalOrderPartitioner<K,V> - Class in org.apache.hadoop.mapred.lib
通过从外部生成的源读取分割点来实现总排序的分区器。
TotalOrderPartitioner() - Constructor for class org.apache.hadoop.mapred.lib.TotalOrderPartitioner
 
TotalOrderPartitioner<K,V> - Class in org.apache.hadoop.mapreduce.lib.partition
通过从外部生成的源读取分割点来实现总排序的分区器。
TotalOrderPartitioner() - Constructor for class org.apache.hadoop.mapreduce.lib.partition.TotalOrderPartitioner
 
totalRetries - Variable in class org.apache.hadoop.yarn.applications.distributedshell.ApplicationMaster
 
TOTALTIME_GROUP - Static variable in class org.apache.hadoop.fs.s3a.audit.S3LogParser
日志组"totaltime"。
toUri() - Method in class org.apache.hadoop.fs.Path
将此路径转换为URI。
trackingUrl(String) - Method in class org.apache.hadoop.yarn.api.protocolrecords.AllocateRequest.AllocateRequestBuilder
Set the trackingUrl of the request.
TRANSFER_ENCODING - Static variable in class org.apache.hadoop.fs.azurebfs.constants.HttpHeaderConfigurations
 
transferForBootstrap(HttpServletResponse, Configuration, InMemoryAliasMap) - Static method in class org.apache.hadoop.hdfs.server.aliasmap.InMemoryAliasMap
将此别名映射传输用于引导备用Namenode节点。
transition(OPERAND, EVENT) - Method in interface org.apache.hadoop.yarn.state.MultipleArcTransition
过渡钩子。
transition(OPERAND, EVENT) - Method in interface org.apache.hadoop.yarn.state.SingleArcTransition
过渡钩子。
transitionToActive(HAServiceProtocol.StateChangeRequestInfo) - Method in interface org.apache.hadoop.ha.HAServiceProtocol
请求服务转换为活跃状态。
transitionToActive(HAServiceProtocol, HAServiceProtocol.StateChangeRequestInfo) - Static method in class org.apache.hadoop.ha.HAServiceProtocolHelper
 
transitionToObserver(HAServiceProtocol.StateChangeRequestInfo) - Method in interface org.apache.hadoop.ha.HAServiceProtocol
请求服务转换为观察者状态。
transitionToObserver(HAServiceProtocol, HAServiceProtocol.StateChangeRequestInfo) - Static method in class org.apache.hadoop.ha.HAServiceProtocolHelper
 
transitionToStandby(HAServiceProtocol.StateChangeRequestInfo) - Method in interface org.apache.hadoop.ha.HAServiceProtocol
请求服务切换到备用状态。
transitionToStandby(HAServiceProtocol, HAServiceProtocol.StateChangeRequestInfo) - Static method in class org.apache.hadoop.ha.HAServiceProtocolHelper
 
translateException(String) - Method in exception org.apache.hadoop.fs.s3a.impl.MultiObjectDeleteException
A MultiObjectDeleteException is raised if one or more paths listed in a bulk DELETE operation failed.
回收站 - Class in org.apache.hadoop.fs
提供一个支持可插拔垃圾回收策略的回收站功能。
回收站(配置) - Constructor for class org.apache.hadoop.fs.回收站
构建一个垃圾桶访问器。
Trash(FileSystem, Configuration) - Constructor for class org.apache.hadoop.fs.回收站
为提供的FileSystem构建一个垃圾桶访问器。
trash - Variable in class org.apache.hadoop.fs.TrashPolicy
 
TRASH_PERMISSION - Static variable in class org.apache.hadoop.hdfs.client.HdfsAdmin
 
TRASH_PREFIX - Static variable in class org.apache.hadoop.fs.FileSystem
垃圾目录的前缀:".Trash"。
TrashPolicy - Class in org.apache.hadoop.fs
该接口用于实现不同的垃圾回收策略。
TrashPolicy() - Constructor for class org.apache.hadoop.fs.TrashPolicy
 
TreePath - Class in org.apache.hadoop.hdfs.server.namenode
在外部文件系统中遍历游标。
TreePath(FileStatus, long, TreeWalk.TreeIterator) - Constructor for class org.apache.hadoop.hdfs.server.namenode.TreePath
 
TreePath(FileStatus, long, TreeWalk.TreeIterator, FileSystem, AclStatus) - Constructor for class org.apache.hadoop.hdfs.server.namenode.TreePath
 
TreeWalk - Class in org.apache.hadoop.hdfs.server.namenode
遍历生成一个层次化的路径序列。
TreeWalk() - Constructor for class org.apache.hadoop.hdfs.server.namenode.TreeWalk
 
Trilean转换异常 - Exception in org.apache.hadoop.fs.azurebfs.contracts.exceptions
当尝试将Trilean.UNKNOWN转换为布尔值时抛出。
TrileanConversionException() - Constructor for exception org.apache.hadoop.fs.azurebfs.contracts.exceptions.TrileanConversionException
 
trimLoginMethod(String) - Static method in class org.apache.hadoop.security.UserGroupInformation
从用户名中移除后面带有空格的登录方法 例如
TrivialRenewer() - Constructor for class org.apache.hadoop.security.token.Token.TrivialRenewer
 
TRUE - Static variable in class org.apache.hadoop.fs.azurebfs.constants.AbfsHttpConstants
 
truncate(Path, long) - Method in class org.apache.hadoop.fs.AbstractFileSystem
The specification of this method matches that of FileContext.truncate(Path, long) except that Path f must be for this file system.
truncate(Path, long) - Method in class org.apache.hadoop.fs.ChecksumFileSystem
 
truncate(Path, long) - Method in class org.apache.hadoop.fs.FileContext
将指定路径下的文件截断至指定大小。
truncate(Path, long) - Method in class org.apache.hadoop.fs.FileSystem
将指定路径下的文件截断至指定大小。
truncate(Path, long) - Method in class org.apache.hadoop.fs.FilterFileSystem
 
truncate(Path, long) - Method in class org.apache.hadoop.fs.RawLocalFileSystem
 
truncate(Path, long) - Method in class org.apache.hadoop.fs.viewfs.ViewFileSystem
 
truncate(Path, long) - Method in class org.apache.hadoop.fs.viewfs.ViewFs
 
truncate() - Method in class org.apache.hadoop.record.Buffer
Deprecated.
将后备存储的容量调整为与当前缓冲区计数相同。
TRUNCATED_MESSAGES_TEMPLATE - Static variable in class org.apache.hadoop.yarn.util.BoundedAppender
 
TruncateEvent(String, long, long) - Constructor for class org.apache.hadoop.hdfs.inotify.Event.TruncateEvent
 
TRUSTSTORE_FILE_LOCATION_ENV_NAME - Static variable in interface org.apache.hadoop.yarn.api.ApplicationConstants
写入包含AM证书的信任库的文件。
TRUSTSTORE_PASSWORD_ENV_NAME - Static variable in interface org.apache.hadoop.yarn.api.ApplicationConstants
AM信任库的密码。
tryDivide(BigDecimal, BigDecimal) - Method in class org.apache.hadoop.mapreduce.lib.db.BigDecimalSplitter
将分子除以分母。
tryFence(HAServiceTarget, String) - Method in interface org.apache.hadoop.ha.FenceMethod
尝试隔离目标节点。
tuple(String, String) - Method in class org.apache.hadoop.metrics2.MetricStringBuilder
在字符串的前缀和后缀之间添加任意键值对,使用分隔符进行分隔。
TupleWritable - Class in org.apache.hadoop.mapred.join
Writable type storing multiple Writables.
TupleWritable() - Constructor for class org.apache.hadoop.mapred.join.TupleWritable
创建一个没有为可写对象分配存储空间的空元组。
TupleWritable(Writable[]) - Constructor for class org.apache.hadoop.mapred.join.TupleWritable
使用存储初始化元组;未知其中是否包含"已写入"的值。
TupleWritable - Class in org.apache.hadoop.mapreduce.lib.join
Writable type storing multiple Writables.
TupleWritable() - Constructor for class org.apache.hadoop.mapreduce.lib.join.TupleWritable
创建一个没有为可写对象分配存储空间的空元组。
TupleWritable(Writable[]) - Constructor for class org.apache.hadoop.mapreduce.lib.join.TupleWritable
使用存储初始化元组;未知其中是否包含"已写入"的值。
TURNAROUNDTIME_GROUP - Static variable in class org.apache.hadoop.fs.s3a.audit.S3LogParser
记录分组"turnaroundtime"。
TwoDArrayWritable - Class in org.apache.hadoop.io
一个用于包含类实例矩阵的二维数组的Writable。
TwoDArrayWritable(Class) - Constructor for class org.apache.hadoop.io.TwoDArrayWritable
 
TwoDArrayWritable(Class, Writable[][]) - Constructor for class org.apache.hadoop.io.TwoDArrayWritable
 
类型 - Variable in exception org.apache.hadoop.hdfs.protocol.QuotaByStorageTypeExceededException
 
type() - Method in class org.apache.hadoop.metrics2.AbstractMetric
获取指标的类型
类型 - Variable in class org.apache.hadoop.registry.client.types.ServiceRecord
类型字段。
type(Artifact.TypeEnum) - Method in class org.apache.hadoop.yarn.service.api.records.Artifact
工件类型,如docker、tarball等。
type(ConfigFile.TypeEnum) - Method in class org.apache.hadoop.yarn.service.api.records.ConfigFile
配置文件采用标准格式,如xml、properties、json、yaml和模板。
type(PlacementType) - Method in class org.apache.hadoop.yarn.service.api.records.PlacementConstraint
放置类型。
type(ReadinessCheck.TypeEnum) - Method in class org.apache.hadoop.yarn.service.api.records.ReadinessCheck
例如
TYPE_SEPARATOR - Static variable in interface org.apache.hadoop.mapred.lib.aggregate.ValueAggregatorDescriptor
 
TYPE_SEPARATOR - Static variable in interface org.apache.hadoop.mapreduce.lib.aggregate.ValueAggregatorDescriptor
 
typeCastingRemoteIterator(RemoteIterator) - Static method in class org.apache.hadoop.util.functional.RemoteIterators
从一个RemoteIterator创建另一个RemoteIterator,在此过程中进行类型转换。

U

ugiMap() - Method in class org.apache.hadoop.hdfs.server.namenode.UGIResolver
 
UGIResolver - Class in org.apache.hadoop.hdfs.server.namenode
用于将外部存储的所有权和权限映射到FSImage的可插拔类。
UGIResolver() - Constructor for class org.apache.hadoop.hdfs.server.namenode.UGIResolver
 
UID - Static variable in class org.apache.hadoop.hdfs.server.namenode.SingleUGIResolver
 
UMASK_LABEL - Static variable in class org.apache.hadoop.fs.permission.FsPermission
 
UNAVAILABLE - Static variable in class org.apache.hadoop.yarn.util.ResourceCalculatorProcessTree
 
unbuffer() - Method in interface org.apache.hadoop.fs.CanUnbuffer
减少缓冲。
unbuffer() - Method in class org.apache.hadoop.fs.FSDataInputStream
 
UNBUFFER - Static variable in interface org.apache.hadoop.fs.StreamCapabilities
Stream unbuffer capability implemented by CanUnbuffer.unbuffer().
unbuffer(InputStream) - Static method in class org.apache.hadoop.fs.StreamCapabilitiesPolicy
Implement the policy for CanUnbuffer.unbuffer().
uncaughtException(Thread, Throwable) - Method in class org.apache.hadoop.service.launcher.HadoopUncaughtExceptionHandler
未捕获的异常处理器。
uncaughtException(Thread, Throwable) - Method in class org.apache.hadoop.yarn.YarnUncaughtExceptionHandler
 
UNDEFINED - Static variable in class org.apache.hadoop.yarn.api.records.优先级
 
UNINITIALIZED_MEMORY_VALUE - Static variable in class org.apache.hadoop.mapred.ClusterStatus
 
UNIQ_VALUE_COUNT - Static variable in class org.apache.hadoop.mapred.lib.aggregate.ValueAggregatorBaseDescriptor
 
UNIQ_VALUE_COUNT - Static variable in class org.apache.hadoop.mapreduce.lib.aggregate.ValueAggregatorBaseDescriptor
 
UniqValueCount - Class in org.apache.hadoop.mapred.lib.aggregate
该类实现了一个值聚合器,用于对对象序列进行去重。
UniqValueCount() - Constructor for class org.apache.hadoop.mapred.lib.aggregate.UniqValueCount
默认构造函数
UniqValueCount(long) - Constructor for class org.apache.hadoop.mapred.lib.aggregate.UniqValueCount
构造函数
UniqValueCount - Class in org.apache.hadoop.mapreduce.lib.aggregate
该类实现了一个值聚合器,用于对对象序列进行去重。
UniqValueCount() - Constructor for class org.apache.hadoop.mapreduce.lib.aggregate.UniqValueCount
默认构造函数
UniqValueCount(long) - Constructor for class org.apache.hadoop.mapreduce.lib.aggregate.UniqValueCount
构造函数
UNIT_TEST_CLASS_NAME - Static variable in class org.apache.hadoop.yarn.client.api.AppAdminClient
 
UNIT_TEST_TYPE - Static variable in class org.apache.hadoop.yarn.client.api.AppAdminClient
 
UNKNOWN_MANDATORY_KEY - Static variable in class org.apache.hadoop.fs.impl.AbstractFSBuilderImpl
 
UnknownCipherSuiteException - Exception in org.apache.hadoop.hdfs
当遇到未知的加密套件时抛出。
UnknownCipherSuiteException(String) - Constructor for exception org.apache.hadoop.hdfs.UnknownCipherSuiteException
 
UnknownCryptoProtocolVersionException - Exception in org.apache.hadoop.hdfs
 
UnknownCryptoProtocolVersionException() - Constructor for exception org.apache.hadoop.hdfs.UnknownCryptoProtocolVersionException
 
UnknownCryptoProtocolVersionException(String) - Constructor for exception org.apache.hadoop.hdfs.UnknownCryptoProtocolVersionException
 
UnknownStoreException - Exception in org.apache.hadoop.fs.s3a
存储桶或其他AWS资源未知。
UnknownStoreException(String, String) - Constructor for exception org.apache.hadoop.fs.s3a.UnknownStoreException
构造函数。
UnknownStoreException(String, String, Throwable) - Constructor for exception org.apache.hadoop.fs.s3a.UnknownStoreException
构造函数。
UNPACK_JAR_PATTERN_DEFAULT - Static variable in class org.apache.hadoop.mapred.JobConf
作业jar包的默认解压行为模式
unregister(ObjectName) - Static method in class org.apache.hadoop.metrics2.util.MBeans
 
unregister(O) - Method in class org.apache.hadoop.yarn.util.AbstractLivelinessMonitor
 
unregisterApplicationMaster(FinalApplicationStatus, String, String) - Method in class org.apache.hadoop.yarn.client.api.AMRMClient
注销应用程序主节点。
unregisterApplicationMaster(FinalApplicationStatus, String, String) - Method in class org.apache.hadoop.yarn.client.api.async.AMRMClientAsync
注销应用程序主节点。
unregisterGlobalListener(ServiceStateChangeListener) - Static method in class org.apache.hadoop.service.AbstractService
注销一个全局监听器。
unregisterServiceListener(ServiceStateChangeListener) - Method in class org.apache.hadoop.service.AbstractService
 
unregisterServiceListener(ServiceStateChangeListener) - Method in interface org.apache.hadoop.service.Service
注销之前注册的服务状态变更事件监听器。
unregisterSource(String) - Method in class org.apache.hadoop.metrics2.MetricsSystem
注销一个指标源
unset(String) - Method in class org.apache.hadoop.conf.配置
取消之前设置的属性。
unsetErasureCodingPolicy(Path) - Method in class org.apache.hadoop.hdfs.client.HdfsAdmin
从目录中取消设置擦除编码策略。
unsetStoragePolicy(Path) - Method in class org.apache.hadoop.fs.AbstractFileSystem
取消为指定文件或目录设置的存储策略。
unsetStoragePolicy(Path) - Method in class org.apache.hadoop.fs.FileContext
取消为指定文件或目录设置的存储策略。
unsetStoragePolicy(Path) - Method in class org.apache.hadoop.fs.FileSystem
取消为指定文件或目录设置的存储策略。
unsetStoragePolicy(Path) - Method in class org.apache.hadoop.fs.FilterFileSystem
 
unsetStoragePolicy(Path) - Method in class org.apache.hadoop.fs.viewfs.ViewFileSystem
 
unsetStoragePolicy(Path) - Method in class org.apache.hadoop.fs.viewfs.ViewFs
 
unsetStoragePolicy(Path) - Method in class org.apache.hadoop.hdfs.client.HdfsAdmin
取消为指定文件或目录设置的存储策略。
UnsupportedFileSystemException - Exception in org.apache.hadoop.fs
不支持给定文件系统名称/方案的文件系统
UnsupportedFileSystemException(String) - Constructor for exception org.apache.hadoop.fs.UnsupportedFileSystemException
使用指定的详细消息构造异常。
UnsupportedMultipartUploaderException - Exception in org.apache.hadoop.fs
不支持针对给定文件系统名称/方案的多部分上传器。
UnsupportedMultipartUploaderException(String) - Constructor for exception org.apache.hadoop.fs.UnsupportedMultipartUploaderException
使用指定的详细消息构造异常。
unTar(InputStream, File, boolean) - Static method in class org.apache.hadoop.fs.FileUtil
给定一个Tar文件作为输入,它会在作为第二个参数传递的untar目录中解压该文件 此工具可以解压".tar"文件以及".tar.gz"、"tgz"文件。
unTar(File, File) - Static method in class org.apache.hadoop.fs.FileUtil
给定一个Tar文件作为输入,它会在作为第二个参数传递的untar目录中解压该文件 此工具可以解压".tar"文件以及".tar.gz"、"tgz"文件。
unwrapInnerException(Throwable) - Static method in class org.apache.hadoop.util.functional.FutureIO
从执行异常的内部原因中提取出内部原因,并将其封装为IOException,同时立即抛出RuntimeExceptions和Errors。
unZip(InputStream, File) - Static method in class org.apache.hadoop.fs.FileUtil
给定一个流输入,它将在解压目录中解压该文件。
unZip(File, File) - Static method in class org.apache.hadoop.fs.FileUtil
给定一个文件输入,它将在解压目录中解压该文件。
update(MetricsRecord, boolean) - Method in class org.apache.hadoop.metrics2.util.MetricsCache
更新缓存并返回当前缓存的记录
update(MetricsRecord) - Method in class org.apache.hadoop.metrics2.util.MetricsCache
更新缓存并返回当前缓存记录
update(byte[], int, int) - Method in class org.apache.hadoop.util.PureJavaCrc32
 
update(int) - Method in class org.apache.hadoop.util.PureJavaCrc32
 
update(byte[], int, int) - Method in class org.apache.hadoop.util.PureJavaCrc32C
 
update(int) - Method in class org.apache.hadoop.util.PureJavaCrc32C
 
updateApplicationPriority(UpdateApplicationPriorityRequest) - Method in interface org.apache.hadoop.yarn.api.ApplicationClientProtocol
客户端用于设置应用程序优先级的接口。
updateApplicationPriority(ApplicationId, Priority) - Method in class org.apache.hadoop.yarn.client.api.YarnClient
客户端用于设置应用程序优先级的接口
UpdateApplicationPriorityRequest - Class in org.apache.hadoop.yarn.api.protocolrecords
The request sent by the client to the ResourceManager to set or update the application priority.
UpdateApplicationPriorityRequest() - Constructor for class org.apache.hadoop.yarn.api.protocolrecords.UpdateApplicationPriorityRequest
 
UpdateApplicationPriorityResponse - Class in org.apache.hadoop.yarn.api.protocolrecords
The response sent by the ResourceManager to the client on update the application priority.
UpdateApplicationPriorityResponse() - Constructor for class org.apache.hadoop.yarn.api.protocolrecords.UpdateApplicationPriorityResponse
 
updateApplicationTimeouts(UpdateApplicationTimeoutsRequest) - Method in interface org.apache.hadoop.yarn.api.ApplicationClientProtocol
客户端用于设置应用程序ApplicationTimeouts的接口。
updateApplicationTimeouts(UpdateApplicationTimeoutsRequest) - Method in class org.apache.hadoop.yarn.client.api.YarnClient
 
UpdateApplicationTimeoutsRequest - Class in org.apache.hadoop.yarn.api.protocolrecords
The request sent by the client to the ResourceManager to set or update the application timeout.
UpdateApplicationTimeoutsRequest() - Constructor for class org.apache.hadoop.yarn.api.protocolrecords.UpdateApplicationTimeoutsRequest
 
UpdateApplicationTimeoutsResponse - Class in org.apache.hadoop.yarn.api.protocolrecords
The response sent by the ResourceManager to the client on update application timeout.
UpdateApplicationTimeoutsResponse() - Constructor for class org.apache.hadoop.yarn.api.protocolrecords.UpdateApplicationTimeoutsResponse
 
updateBlacklist(List, List) - Method in class org.apache.hadoop.yarn.client.api.AMRMClient
更新应用程序的黑名单,添加或移除资源。
updateBlacklist(List, List) - Method in class org.apache.hadoop.yarn.client.api.async.AMRMClientAsync
更新应用程序的黑名单,添加或移除资源。
updateBytesReadInLastSecond(long) - Method in class org.apache.hadoop.fs.azure.metrics.AzureFileSystemInstrumentation
设置当前仪表值,表示上一秒读取的字节数。
updateBytesWrittenInLastSecond(long) - Method in class org.apache.hadoop.fs.azure.metrics.AzureFileSystemInstrumentation
设置当前仪表值,表示上一秒写入的字节数。
updateConnectAddr(String, String, String, InetSocketAddress) - Method in class org.apache.hadoop.conf.配置
Set the socket address a client can use to connect for the name property as a host:port.
updateConnectAddr(String, InetSocketAddress) - Method in class org.apache.hadoop.conf.配置
Set the socket address a client can use to connect for the name property as a host:port.
updateConnectAddr(String, InetSocketAddress) - Method in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
updateContainer(ContainerUpdateRequest) - Method in interface org.apache.hadoop.yarn.api.ContainerManagementProtocol
The API used by the ApplicationMaster to request for resource update of running containers on the NodeManager.
UpdateContainerError - Class in org.apache.hadoop.yarn.api.records
UpdateContainerError is used by the Scheduler to notify the ApplicationMaster of an UpdateContainerRequest it cannot satisfy due to an error in the request.
UpdateContainerError() - Constructor for class org.apache.hadoop.yarn.api.records.UpdateContainerError
 
UpdateContainerRequest - Class in org.apache.hadoop.yarn.api.records
UpdateContainerRequest represents the request made by an application to the ResourceManager to update an attribute of a Container such as its Resource allocation or (@code ExecutionType}
UpdateContainerRequest() - Constructor for class org.apache.hadoop.yarn.api.records.UpdateContainerRequest
 
updateContainerResource(Container) - Method in class org.apache.hadoop.yarn.client.api.NMClient
更新容器的资源。
updateContainerResourceAsync(Container) - Method in class org.apache.hadoop.yarn.client.api.async.NMClientAsync
更新容器的资源。
UpdatedContainer - Class in org.apache.hadoop.yarn.api.records
一个封装了更新后容器及其更新类型的对象。
UpdatedContainer() - Constructor for class org.apache.hadoop.yarn.api.records.UpdatedContainer
 
updateDelegationKey(DelegationKey) - Method in class org.apache.hadoop.security.token.delegation.AbstractDelegationTokenSecretManager
对于将存储外部化的子类,例如基于Zookeeper的实现。
updateFlushTime(Date) - Method in class org.apache.hadoop.metrics2.sink.RollingFileSystemSink
Update the RollingFileSystemSink.nextFlush variable to the next flush time.
updateLifetime(String, long) - Method in class org.apache.hadoop.yarn.service.client.ServiceClient
 
updateProcessTree() - Method in class org.apache.hadoop.yarn.util.ResourceCalculatorProcessTree
使用最新状态更新进程树。
updateRequests(List) - Method in class org.apache.hadoop.yarn.api.protocolrecords.AllocateRequest.AllocateRequestBuilder
Set the updateRequests of the request.
updateReservation(ReservationUpdateRequest) - Method in interface org.apache.hadoop.yarn.api.ApplicationClientProtocol
客户端用于更新现有预订的接口。
updateReservation(ReservationUpdateRequest) - Method in class org.apache.hadoop.yarn.client.api.YarnClient
客户端用于更新现有预订的接口。
updateStoredToken(TokenIdent, long) - Method in class org.apache.hadoop.security.token.delegation.AbstractDelegationTokenSecretManager
 
updateToken(TokenIdent, AbstractDelegationTokenSecretManager.DelegationTokenInformation) - Method in class org.apache.hadoop.security.token.delegation.AbstractDelegationTokenSecretManager
对于将存储外部化的子类,例如基于Zookeeper的实现。
updateTrackingUrl(String) - Method in class org.apache.hadoop.yarn.client.api.AMRMClient
在下一次心跳时更新应用程序的跟踪URL。
updateTrackingUrl(String) - Method in class org.apache.hadoop.yarn.client.api.async.AMRMClientAsync
在下一次心跳时更新应用程序的跟踪URL。
updateWasbAuthorizer(WasbAuthorizerInterface) - Method in class org.apache.hadoop.fs.azure.NativeAzureFileSystem
 
UploadHandle - Interface in org.apache.hadoop.fs
对多部分上传的uploadId的不透明、可序列化引用。
UPPER_LIMIT_ON_TASK_VMEM_PROPERTY - Static variable in class org.apache.hadoop.mapred.JobConf
Deprecated. 
upperBound(List, T, Comparator) - Static method in class org.apache.hadoop.io.file.tfile.Utils
上界二分查找。
upperBound(List>, T) - Static method in class org.apache.hadoop.io.file.tfile.Utils
上界二分查找。
uri(String) - Static method in class org.apache.hadoop.registry.client.binding.RegistryTypeUtils
创建URI
uri(String) - Method in class org.apache.hadoop.yarn.service.api.records.Artifact
支持多个工件存储的工件位置(可选)。
URL - Class in org.apache.hadoop.yarn.api.records
URL represents a serializable URL.
URL() - Constructor for class org.apache.hadoop.yarn.api.records.URL
 
URL_PROPERTY - Static variable in class org.apache.hadoop.mapred.lib.db.DBConfiguration
JDBC数据库访问URL
URL_PROPERTY - Static variable in class org.apache.hadoop.mapreduce.lib.db.DBConfiguration
JDBC数据库访问URL
URLENCODED - Static variable in class org.apache.hadoop.hdfs.web.oauth2.OAuth2Constants
 
urlEndpoint(String, String, URI...) - Static method in class org.apache.hadoop.registry.client.binding.RegistryTypeUtils
从URI列表创建URL端点
use(UseSharedCacheResourceRequest) - Method in interface org.apache.hadoop.yarn.api.ClientSCMProtocol
The interface used by clients to claim a resource with the SharedCacheManager. The client uses a checksum to identify the resource and an ApplicationId to identify which application will be using the resource.
use(ApplicationId, String) - Method in class org.apache.hadoop.yarn.client.api.SharedCacheClient
The method to claim a resource with the SharedCacheManager. The client uses a checksum to identify the resource and an ApplicationId to identify which application will be using the resource.
USE_REAL_ACLS - Static variable in class org.apache.hadoop.security.authorize.AccessControlList
 
USE_WILDCARD_FOR_LIBJARS - Static variable in class org.apache.hadoop.mapreduce.Job
 
USED_GENERIC_PARSER - Static variable in class org.apache.hadoop.mapreduce.Job
 
useHttps(Configuration) - Static method in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
useQueryStringForDelegationToken() - Method in class org.apache.hadoop.security.token.delegation.web.DelegationTokenAuthenticatedURL
返回是否将委托令牌作为HTTP标头传输。
USER - Static variable in class org.apache.hadoop.hdfs.server.namenode.SingleUGIResolver
 
user(String) - Method in class org.apache.hadoop.hdfs.server.namenode.SingleUGIResolver
 
user(String) - Method in class org.apache.hadoop.hdfs.server.namenode.UGIResolver
 
USER - Static variable in interface org.apache.hadoop.yarn.service.api.ServiceApiConstants
 
USER_AGENT - Static variable in class org.apache.hadoop.fs.azurebfs.constants.HttpHeaderConfigurations
 
USER_AGENT_PREFIX - Static variable in class org.apache.hadoop.fs.s3a.常量
 
USER_GROUP_PLACEMENT_RULE - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
UserGroupMappingPlacementRule 配置字符串。
USER_GROUP_STRID_MASK - Static variable in class org.apache.hadoop.hdfs.server.namenode.UGIResolver
 
USER_HOME_DIRECTORY_PREFIX - Static variable in class org.apache.hadoop.fs.azurebfs.constants.FileSystemConfigurations
 
USER_HOME_PREFIX - Static variable in class org.apache.hadoop.fs.FileSystem
 
USER_INFO_KEY - Static variable in class org.apache.hadoop.yarn.api.records.timelineservice.FlowActivityEntity
 
USER_INFO_KEY - Static variable in class org.apache.hadoop.yarn.api.records.timelineservice.FlowRunEntity
 
USER_JAR - Static variable in class org.apache.hadoop.mapreduce.lib.aggregate.ValueAggregatorJobBase
 
USER_NAME_COMMAND - Static variable in class org.apache.hadoop.util.Shell
获取当前用户名的Unix命令:"whoami"。
USER_STRID_OFFSET - Static variable in class org.apache.hadoop.hdfs.server.namenode.UGIResolver
 
USERAGENT_GROUP - Static variable in class org.apache.hadoop.fs.s3a.audit.S3LogParser
记录"useragent"日志组。
UserDefinedValueAggregatorDescriptor - Class in org.apache.hadoop.mapred.lib.aggregate
该类实现了对用户自定义值聚合器描述符的封装。
UserDefinedValueAggregatorDescriptor(String, JobConf) - Constructor for class org.apache.hadoop.mapred.lib.aggregate.UserDefinedValueAggregatorDescriptor
 
UserDefinedValueAggregatorDescriptor - Class in org.apache.hadoop.mapreduce.lib.aggregate
该类实现了对用户自定义值聚合器描述符的封装。
UserDefinedValueAggregatorDescriptor(String, Configuration) - Constructor for class org.apache.hadoop.mapreduce.lib.aggregate.UserDefinedValueAggregatorDescriptor
 
UserEntity - Class in org.apache.hadoop.yarn.api.records.timelineservice
该实体代表一个用户。
UserEntity() - Constructor for class org.apache.hadoop.yarn.api.records.timelineservice.UserEntity
 
UserEntity(TimelineEntity) - Constructor for class org.apache.hadoop.yarn.api.records.timelineservice.UserEntity
 
UserGroupInformation - Class in org.apache.hadoop.security
Hadoop的用户和组信息。
UserGroupInformation.AuthenticationMethod - Enum in org.apache.hadoop.security
现有的认证方法类型
USERNAME_PROPERTY - Static variable in class org.apache.hadoop.mapred.lib.db.DBConfiguration
访问数据库的用户名
USERNAME_PROPERTY - Static variable in class org.apache.hadoop.mapreduce.lib.db.DBConfiguration
访问数据库的用户名
UseSharedCacheResourceRequest - Class in org.apache.hadoop.yarn.api.protocolrecords
The request from clients to the SharedCacheManager that claims a resource in the shared cache.
UseSharedCacheResourceRequest() - Constructor for class org.apache.hadoop.yarn.api.protocolrecords.UseSharedCacheResourceRequest
 
UseSharedCacheResourceResponse - Class in org.apache.hadoop.yarn.api.protocolrecords
SharedCacheManager向客户端返回的响应,表明请求的资源是否存在于缓存中。
UseSharedCacheResourceResponse() - Constructor for class org.apache.hadoop.yarn.api.protocolrecords.UseSharedCacheResourceResponse
 
useStatIfAvailable() - Static method in class org.apache.hadoop.fs.RawLocalFileSystem
 
UTCClock - Class in org.apache.hadoop.yarn.util
Implementation of Clock that gives the current UTC time in milliseconds.
UTCClock() - Constructor for class org.apache.hadoop.yarn.util.UTCClock
 
utf8Length(String) - Static method in class org.apache.hadoop.io.Text
对于给定的字符串,返回编码该字符串所需的UTF-8字节数。
UTF_8 - Static variable in class org.apache.hadoop.fs.azurebfs.constants.AbfsHttpConstants
 
UTF_8 - Static variable in class org.apache.hadoop.http.JettyUtils
 
util() - Method in class org.apache.hadoop.fs.FileContext
 
工具集 - Class in org.apache.hadoop.io.file.tfile
TFile所使用的支持工具类,同时也被TFile的用户共享使用。
工具集 - Class in org.apache.hadoop.mapred
一个实用工具类。
Utils() - Constructor for class org.apache.hadoop.mapred.Utils
 
工具集 - Class in org.apache.hadoop.record
Deprecated.
Replaced by Avro.

V

validate(String) - Method in class org.apache.hadoop.fs.azurebfs.diagnostics.Base64StringConfigurationBasicValidator
 
validate(String) - Method in class org.apache.hadoop.fs.azurebfs.diagnostics.BooleanConfigurationBasicValidator
 
validate(String) - Method in class org.apache.hadoop.fs.azurebfs.diagnostics.IntegerConfigurationBasicValidator
 
validate(EnumSet) - Static method in enum org.apache.hadoop.fs.CreateFlag
验证CreateFlag并在无效时抛出异常
validate(Object, boolean, EnumSet) - Static method in enum org.apache.hadoop.fs.CreateFlag
验证创建操作的CreateFlag
validate(String, boolean, EnumSet) - Static method in enum org.apache.hadoop.fs.XAttrSetFlag
 
validate(CachePoolInfo) - Static method in class org.apache.hadoop.hdfs.protocol.CachePoolInfo
 
validate() - Method in class org.apache.hadoop.mapreduce.lib.output.committer.manifest.files.DirEntry
 
validate() - Method in class org.apache.hadoop.mapreduce.lib.output.committer.manifest.files.ManifestSuccessData
 
validate() - Method in class org.apache.hadoop.registry.client.types.Endpoint
通过检查空字段和其他无效条件来验证记录
validateEndpoint(String, Endpoint) - Static method in class org.apache.hadoop.registry.client.binding.RegistryTypeUtils
通过检查空字段和其他无效条件来验证端点
validateForAppend(EnumSet) - Static method in enum org.apache.hadoop.fs.CreateFlag
验证追加操作的CreateFlag。
validateName(String) - Static method in class org.apache.hadoop.hdfs.protocol.CachePoolInfo
 
validateObject() - Method in class org.apache.hadoop.fs.FileStatus
 
validateObject() - Method in class org.apache.hadoop.fs.Path
验证反序列化路径的内容,以防止恶意对象流攻击。
validateObject() - Method in class org.apache.hadoop.fs.permission.FsPermission
 
validatePath(String) - Method in class org.apache.hadoop.registry.client.impl.zk.RegistryOperationsService
验证路径
validatePositionedReadArgs(long, byte[], int, int) - Method in class org.apache.hadoop.fs.FSInputStream
验证码,可在子类中使用。
validateServiceRecord(String, ServiceRecord) - Static method in class org.apache.hadoop.registry.client.binding.RegistryTypeUtils
通过检查空字段和其他无效条件来验证记录
validateSslConfiguration(SecurityUtil.TruststoreKeystore) - Static method in class org.apache.hadoop.security.SecurityUtil
 
validateUTF8(byte[]) - Static method in class org.apache.hadoop.io.Text
检查字节数组是否包含有效的UTF-8编码。
validateUTF8(byte[], int, int) - Static method in class org.apache.hadoop.io.Text
检查字节数组是否为有效的UTF-8编码。
- Variable in class org.apache.hadoop.mapreduce.lib.join.CompositeRecordReader
 
value() - Method in class org.apache.hadoop.metrics2.AbstractMetric
获取指标的值
value() - Method in class org.apache.hadoop.metrics2.lib.MutableCounterInt
 
value() - Method in class org.apache.hadoop.metrics2.lib.MutableCounterLong
 
value() - Method in class org.apache.hadoop.metrics2.lib.MutableGaugeInt
 
value() - Method in class org.apache.hadoop.metrics2.lib.MutableGaugeLong
 
value() - Method in class org.apache.hadoop.metrics2.MetricsTag
获取标签的值
value() - Method in class org.apache.hadoop.util.OperationDuration
获取持续时间(以毫秒为单位)。
VALUE_CLASS - Static variable in class org.apache.hadoop.mapreduce.lib.output.SequenceFileAsBinaryOutputFormat
 
VALUE_HISTOGRAM - Static variable in class org.apache.hadoop.mapred.lib.aggregate.ValueAggregatorBaseDescriptor
 
VALUE_HISTOGRAM - Static variable in class org.apache.hadoop.mapreduce.lib.aggregate.ValueAggregatorBaseDescriptor
 
ValueAggregator<E> - Interface in org.apache.hadoop.mapred.lib.aggregate
该接口定义了值聚合器的最小协议。
ValueAggregator<E> - Interface in org.apache.hadoop.mapreduce.lib.aggregate
该接口定义了值聚合器的最小协议。
ValueAggregatorBaseDescriptor - Class in org.apache.hadoop.mapred.lib.aggregate
该类实现了ValueAggregatorDescriptor子类的通用功能。
ValueAggregatorBaseDescriptor() - Constructor for class org.apache.hadoop.mapred.lib.aggregate.ValueAggregatorBaseDescriptor
 
ValueAggregatorBaseDescriptor - Class in org.apache.hadoop.mapreduce.lib.aggregate
该类实现了ValueAggregatorDescriptor子类的通用功能。
ValueAggregatorBaseDescriptor() - Constructor for class org.apache.hadoop.mapreduce.lib.aggregate.ValueAggregatorBaseDescriptor
 
ValueAggregatorCombiner<K1 extends WritableComparable,V1 extends Writable> - Class in org.apache.hadoop.mapred.lib.aggregate
该类实现了Aggregate的通用组合器。
ValueAggregatorCombiner() - Constructor for class org.apache.hadoop.mapred.lib.aggregate.ValueAggregatorCombiner
 
ValueAggregatorCombiner<K1 extends WritableComparable<?>,V1 extends Writable> - Class in org.apache.hadoop.mapreduce.lib.aggregate
该类实现了Aggregate的通用组合器。
ValueAggregatorCombiner() - Constructor for class org.apache.hadoop.mapreduce.lib.aggregate.ValueAggregatorCombiner
 
ValueAggregatorDescriptor - Interface in org.apache.hadoop.mapred.lib.aggregate
该接口定义了值聚合器描述符必须支持的契约。
ValueAggregatorDescriptor - Interface in org.apache.hadoop.mapreduce.lib.aggregate
该接口定义了值聚合器描述符必须支持的契约。
ValueAggregatorJob - Class in org.apache.hadoop.mapred.lib.aggregate
这是使用Aggregate框架创建map/reduce作业的主类。
ValueAggregatorJob() - Constructor for class org.apache.hadoop.mapred.lib.aggregate.ValueAggregatorJob
 
ValueAggregatorJob - Class in org.apache.hadoop.mapreduce.lib.aggregate
这是使用Aggregate框架创建map/reduce作业的主类。
ValueAggregatorJob() - Constructor for class org.apache.hadoop.mapreduce.lib.aggregate.ValueAggregatorJob
 
ValueAggregatorJobBase<K1 extends WritableComparable,V1 extends Writable> - Class in org.apache.hadoop.mapred.lib.aggregate
这个抽象类实现了Aggregate通用映射器、归约器和组合器类的一些常见功能。
ValueAggregatorJobBase() - Constructor for class org.apache.hadoop.mapred.lib.aggregate.ValueAggregatorJobBase
 
ValueAggregatorJobBase<K1 extends WritableComparable<?>,V1 extends Writable> - Class in org.apache.hadoop.mapreduce.lib.aggregate
这个抽象类实现了Aggregate通用映射器、归约器和组合器类的一些常见功能。
ValueAggregatorJobBase() - Constructor for class org.apache.hadoop.mapreduce.lib.aggregate.ValueAggregatorJobBase
 
ValueAggregatorMapper<K1 extends WritableComparable,V1 extends Writable> - Class in org.apache.hadoop.mapred.lib.aggregate
该类实现了Aggregate的通用映射器。
ValueAggregatorMapper() - Constructor for class org.apache.hadoop.mapred.lib.aggregate.ValueAggregatorMapper
 
ValueAggregatorMapper<K1 extends WritableComparable<?>,V1 extends Writable> - Class in org.apache.hadoop.mapreduce.lib.aggregate
该类实现了Aggregate的通用映射器。
ValueAggregatorMapper() - Constructor for class org.apache.hadoop.mapreduce.lib.aggregate.ValueAggregatorMapper
 
ValueAggregatorReducer<K1 extends WritableComparable,V1 extends Writable> - Class in org.apache.hadoop.mapred.lib.aggregate
该类实现了Aggregate的通用reducer。
ValueAggregatorReducer() - Constructor for class org.apache.hadoop.mapred.lib.aggregate.ValueAggregatorReducer
 
ValueAggregatorReducer<K1 extends WritableComparable<?>,V1 extends Writable> - Class in org.apache.hadoop.mapreduce.lib.aggregate
该类实现了Aggregate的通用reducer。
ValueAggregatorReducer() - Constructor for class org.apache.hadoop.mapreduce.lib.aggregate.ValueAggregatorReducer
 
ValueHistogram - Class in org.apache.hadoop.mapred.lib.aggregate
该类实现了一个值聚合器,用于计算字符串序列的直方图。
ValueHistogram() - Constructor for class org.apache.hadoop.mapred.lib.aggregate.ValueHistogram
 
ValueHistogram - Class in org.apache.hadoop.mapreduce.lib.aggregate
该类实现了一个值聚合器,用于计算字符串序列的直方图。
ValueHistogram() - Constructor for class org.apache.hadoop.mapreduce.lib.aggregate.ValueHistogram
 
valueOf(String) - Static method in enum org.apache.hadoop.fs.azurebfs.contracts.services.AzureServiceErrorCode
返回具有指定名称的此类型的枚举常量。
valueOf(String) - Static method in enum org.apache.hadoop.fs.CacheFlag
返回具有指定名称的此类型的枚举常量。
valueOf(String) - Static method in enum org.apache.hadoop.fs.CreateFlag
返回具有指定名称的此类型的枚举常量。
valueOf(String) - Static method in enum org.apache.hadoop.fs.GlobalStorageStatistics
返回具有指定名称的此类型的枚举常量。
valueOf(String) - Static method in enum org.apache.hadoop.fs.permission.AclEntryScope
 
valueOf(String) - Static method in enum org.apache.hadoop.fs.permission.AclEntryType
 
valueOf(String) - Static method in enum org.apache.hadoop.fs.permission.FsAction
 
valueOf(String) - Static method in class org.apache.hadoop.fs.permission.FsPermission
从Unix符号权限字符串创建FsPermission
valueOf(String) - Static method in enum org.apache.hadoop.fs.ReadOption
返回具有指定名称的此类型的枚举常量。
valueOf(String) - Static method in enum org.apache.hadoop.fs.StorageType
返回具有指定名称的此类型的枚举常量。
valueOf(String) - Static method in enum org.apache.hadoop.fs.XAttrCodec
返回具有指定名称的此类型的枚举常量。
valueOf(String) - Static method in enum org.apache.hadoop.fs.XAttrSetFlag
返回具有指定名称的此类型的枚举常量。
valueOf(String) - Static method in enum org.apache.hadoop.hdfs.client.CreateEncryptionZoneFlag
返回具有指定名称的此类型的枚举常量。
valueOf(short) - Static method in enum org.apache.hadoop.hdfs.client.CreateEncryptionZoneFlag
 
valueOf(String) - Static method in enum org.apache.hadoop.mapred.JobPriority
返回具有指定名称的此类型的枚举常量。
valueOf(String) - Static method in enum org.apache.hadoop.mapred.join.Parser.TType
返回具有指定名称的此类型的枚举常量。
valueOf(String) - Static method in enum org.apache.hadoop.mapred.TaskCompletionEvent.Status
返回具有指定名称的此类型的枚举常量。
valueOf(String) - Static method in enum org.apache.hadoop.mapreduce.JobCounter
返回具有指定名称的此类型的枚举常量。
valueOf(String) - Static method in enum org.apache.hadoop.mapreduce.JobPriority
返回具有指定名称的此类型的枚举常量。
valueOf(String) - Static method in enum org.apache.hadoop.mapreduce.lib.input.FileInputFormatCounter
返回具有指定名称的此类型的枚举常量。
valueOf(String) - Static method in enum org.apache.hadoop.mapreduce.lib.join.Parser.TType
返回具有指定名称的此类型的枚举常量。
valueOf(String) - Static method in enum org.apache.hadoop.mapreduce.lib.output.FileOutputFormatCounter
返回具有指定名称的此类型的枚举常量。
valueOf(String) - Static method in enum org.apache.hadoop.mapreduce.QueueState
返回具有指定名称的此类型的枚举常量。
valueOf(String) - Static method in enum org.apache.hadoop.mapreduce.TaskCompletionEvent.Status
返回具有指定名称的此类型的枚举常量。
valueOf(String) - Static method in enum org.apache.hadoop.mapreduce.TaskCounter
返回具有指定名称的此类型的枚举常量。
valueOf(String) - Static method in enum org.apache.hadoop.mapreduce.TaskType
返回具有指定名称的此类型的枚举常量。
valueOf(String) - Static method in enum org.apache.hadoop.metrics2.lib.DefaultMetricsSystem
返回具有指定名称的此类型的枚举常量。
valueOf(String) - Static method in enum org.apache.hadoop.security.UserGroupInformation.AuthenticationMethod
返回具有指定名称的此类型的枚举常量。
valueOf(SaslRpcServer.AuthMethod) - Static method in enum org.apache.hadoop.security.UserGroupInformation.AuthenticationMethod
 
valueOf(String) - Static method in enum org.apache.hadoop.yarn.api.ApplicationConstants.ContainerLaunchType
返回具有指定名称的此类型的枚举常量。
valueOf(String) - Static method in enum org.apache.hadoop.yarn.api.protocolrecords.ApplicationsRequestScope
返回具有指定名称的此类型的枚举常量。
valueOf(String) - Static method in enum org.apache.hadoop.yarn.api.records.AMCommand
返回具有指定名称的此类型的枚举常量。
valueOf(String) - Static method in enum org.apache.hadoop.yarn.api.records.ApplicationAccessType
返回具有指定名称的此类型的枚举常量。
valueOf(String) - Static method in enum org.apache.hadoop.yarn.api.records.ApplicationTimeoutType
返回具有指定名称的此类型的枚举常量。
valueOf(String) - Static method in enum org.apache.hadoop.yarn.api.records.ContainerRetryPolicy
返回具有指定名称的此类型的枚举常量。
valueOf(String) - Static method in enum org.apache.hadoop.yarn.api.records.ContainerState
返回具有指定名称的此类型的枚举常量。
valueOf(String) - Static method in enum org.apache.hadoop.yarn.api.records.ContainerSubState
返回具有指定名称的此类型的枚举常量。
valueOf(String) - Static method in enum org.apache.hadoop.yarn.api.records.ContainerUpdateType
返回具有指定名称的此类型的枚举常量。
valueOf(String) - Static method in enum org.apache.hadoop.yarn.api.records.ExecutionType
返回具有指定名称的此类型的枚举常量。
valueOf(String) - Static method in enum org.apache.hadoop.yarn.api.records.FinalApplicationStatus
返回具有指定名称的此类型的枚举常量。
valueOf(String) - Static method in enum org.apache.hadoop.yarn.api.records.LocalizationState
返回具有指定名称的此类型的枚举常量。
valueOf(String) - Static method in enum org.apache.hadoop.yarn.api.records.LocalResourceType
返回具有指定名称的此类型的枚举常量。
valueOf(String) - Static method in enum org.apache.hadoop.yarn.api.records.LocalResourceVisibility
返回具有指定名称的此类型的枚举常量。
valueOf(String) - Static method in enum org.apache.hadoop.yarn.api.records.NodeAttributeOpCode
返回具有指定名称的此类型的枚举常量。
valueOf(String) - Static method in enum org.apache.hadoop.yarn.api.records.NodeAttributeType
返回具有指定名称的此类型的枚举常量。
valueOf(String) - Static method in enum org.apache.hadoop.yarn.api.records.NodeState
返回具有指定名称的此类型的枚举常量。
valueOf(String) - Static method in enum org.apache.hadoop.yarn.api.records.QueueACL
返回具有指定名称的此类型的枚举常量。
valueOf(String) - Static method in enum org.apache.hadoop.yarn.api.records.QueueState
返回具有指定名称的此类型的枚举常量。
valueOf(String) - Static method in enum org.apache.hadoop.yarn.api.records.RejectionReason
返回具有指定名称的此类型的枚举常量。
valueOf(String) - Static method in enum org.apache.hadoop.yarn.api.records.ReservationACL
返回具有指定名称的此类型的枚举常量。
valueOf(String) - Static method in enum org.apache.hadoop.yarn.api.records.ReservationRequestInterpreter
返回具有指定名称的此类型的枚举常量。
valueOf(String) - Static method in enum org.apache.hadoop.yarn.api.records.ShellContainerCommand
返回具有指定名称的此类型的枚举常量。
valueOf(String) - Static method in enum org.apache.hadoop.yarn.api.records.SignalContainerCommand
返回具有指定名称的此类型的枚举常量。
valueOf(String) - Static method in enum org.apache.hadoop.yarn.api.records.timelineservice.TimelineEntityType
返回具有指定名称的此类型的枚举常量。
valueOf(String) - Static method in enum org.apache.hadoop.yarn.api.records.YarnApplicationAttemptState
返回具有指定名称的此类型的枚举常量。
valueOf(String) - Static method in enum org.apache.hadoop.yarn.api.records.YarnApplicationState
返回具有指定名称的此类型的枚举常量。
valueOf(String) - Static method in enum org.apache.hadoop.yarn.service.api.records.ComponentState
返回具有指定名称的此类型的枚举常量。
valueOf(String) - Static method in enum org.apache.hadoop.yarn.service.api.records.ConfigFormat
返回具有指定名称的此类型的枚举常量。
valueOf(String) - Static method in enum org.apache.hadoop.yarn.service.api.records.ContainerState
返回具有指定名称的此类型的枚举常量。
valueOf(String) - Static method in enum org.apache.hadoop.yarn.service.api.records.PlacementScope
返回具有指定名称的此类型的枚举常量。
valueOf(String) - Static method in enum org.apache.hadoop.yarn.service.api.records.PlacementType
返回具有指定名称的此类型的枚举常量。
valueOf(String) - Static method in enum org.apache.hadoop.yarn.service.api.records.ServiceState
返回具有指定名称的此类型的枚举常量。
values() - Static method in enum org.apache.hadoop.fs.azurebfs.contracts.services.AzureServiceErrorCode
返回一个数组,包含此枚举类型的所有常量,顺序与其声明顺序一致。
values() - Static method in enum org.apache.hadoop.fs.CacheFlag
返回一个数组,包含此枚举类型的所有常量,顺序与其声明顺序一致。
values() - Static method in enum org.apache.hadoop.fs.CreateFlag
返回一个数组,包含此枚举类型的所有常量,顺序与其声明顺序一致。
values() - Static method in enum org.apache.hadoop.fs.GlobalStorageStatistics
返回一个数组,包含此枚举类型的所有常量,顺序与其声明顺序一致。
values() - Static method in enum org.apache.hadoop.fs.permission.AclEntryScope
 
values() - Static method in enum org.apache.hadoop.fs.permission.AclEntryType
 
values() - Static method in enum org.apache.hadoop.fs.permission.FsAction
 
values() - Static method in enum org.apache.hadoop.fs.ReadOption
返回一个数组,包含此枚举类型的所有常量,顺序与其声明顺序一致。
values() - Static method in enum org.apache.hadoop.fs.StorageType
返回一个数组,包含此枚举类型的所有常量,顺序与其声明顺序一致。
values() - Static method in enum org.apache.hadoop.fs.XAttrCodec
返回一个数组,包含此枚举类型的所有常量,顺序与其声明顺序一致。
values() - Static method in enum org.apache.hadoop.fs.XAttrSetFlag
返回一个数组,包含此枚举类型的所有常量,顺序与其声明顺序一致。
values() - Static method in enum org.apache.hadoop.hdfs.client.CreateEncryptionZoneFlag
返回一个数组,包含此枚举类型的所有常量,顺序与其声明顺序一致。
values() - Method in class org.apache.hadoop.io.MapWritable
 
values() - Method in class org.apache.hadoop.io.SortedMapWritable
 
values() - Static method in enum org.apache.hadoop.mapred.JobPriority
返回一个数组,包含此枚举类型的所有常量,顺序与其声明顺序一致。
values() - Static method in enum org.apache.hadoop.mapred.join.Parser.TType
返回一个数组,包含此枚举类型的所有常量,顺序与其声明顺序一致。
values() - Static method in enum org.apache.hadoop.mapred.TaskCompletionEvent.Status
返回一个数组,包含此枚举类型的所有常量,顺序与其声明顺序一致。
values() - Static method in enum org.apache.hadoop.mapreduce.JobCounter
返回一个数组,包含此枚举类型的所有常量,顺序与其声明顺序一致。
values() - Static method in enum org.apache.hadoop.mapreduce.JobPriority
返回一个数组,包含此枚举类型的所有常量,顺序与其声明顺序一致。
values() - Static method in enum org.apache.hadoop.mapreduce.lib.input.FileInputFormatCounter
返回一个数组,包含此枚举类型的所有常量,顺序与其声明顺序一致。
values() - Static method in enum org.apache.hadoop.mapreduce.lib.join.Parser.TType
返回一个数组,包含此枚举类型的所有常量,顺序与其声明顺序一致。
values() - Static method in enum org.apache.hadoop.mapreduce.lib.output.FileOutputFormatCounter
返回一个数组,包含此枚举类型的所有常量,顺序与其声明顺序一致。
values() - Static method in enum org.apache.hadoop.mapreduce.QueueState
返回一个数组,包含此枚举类型的所有常量,顺序与其声明顺序一致。
values() - Static method in enum org.apache.hadoop.mapreduce.TaskCompletionEvent.Status
返回一个数组,包含此枚举类型的所有常量,顺序与其声明顺序一致。
values() - Static method in enum org.apache.hadoop.mapreduce.TaskCounter
返回一个数组,包含此枚举类型的所有常量,顺序与其声明顺序一致。
values() - Static method in enum org.apache.hadoop.mapreduce.TaskType
返回一个数组,包含此枚举类型的所有常量,顺序与其声明顺序一致。
values() - Static method in enum org.apache.hadoop.metrics2.lib.DefaultMetricsSystem
返回一个数组,包含此枚举类型的所有常量,顺序与其声明顺序一致。
values() - Static method in enum org.apache.hadoop.security.UserGroupInformation.AuthenticationMethod
返回一个数组,包含此枚举类型的所有常量,顺序与其声明顺序一致。
values() - Static method in enum org.apache.hadoop.yarn.api.ApplicationConstants.ContainerLaunchType
返回一个数组,包含此枚举类型的所有常量,顺序与其声明顺序一致。
values() - Static method in enum org.apache.hadoop.yarn.api.protocolrecords.ApplicationsRequestScope
返回一个数组,包含此枚举类型的所有常量,顺序与其声明顺序一致。
values() - Static method in enum org.apache.hadoop.yarn.api.records.AMCommand
返回一个数组,包含此枚举类型的所有常量,顺序与其声明顺序一致。
values() - Static method in enum org.apache.hadoop.yarn.api.records.ApplicationAccessType
返回一个数组,包含此枚举类型的所有常量,顺序与其声明顺序一致。
values() - Static method in enum org.apache.hadoop.yarn.api.records.ApplicationTimeoutType
返回一个数组,包含此枚举类型的所有常量,顺序与其声明顺序一致。
values() - Static method in enum org.apache.hadoop.yarn.api.records.ContainerRetryPolicy
返回一个数组,包含此枚举类型的所有常量,顺序与其声明顺序一致。
values() - Static method in enum org.apache.hadoop.yarn.api.records.ContainerState
返回一个数组,包含此枚举类型的所有常量,顺序与其声明顺序一致。
values() - Static method in enum org.apache.hadoop.yarn.api.records.ContainerSubState
返回一个数组,包含此枚举类型的所有常量,顺序与其声明顺序一致。
values() - Static method in enum org.apache.hadoop.yarn.api.records.ContainerUpdateType
返回一个数组,包含此枚举类型的所有常量,顺序与其声明顺序一致。
values() - Static method in enum org.apache.hadoop.yarn.api.records.ExecutionType
返回一个数组,包含此枚举类型的所有常量,顺序与其声明顺序一致。
values() - Static method in enum org.apache.hadoop.yarn.api.records.FinalApplicationStatus
返回一个数组,包含此枚举类型的所有常量,顺序与其声明顺序一致。
values() - Static method in enum org.apache.hadoop.yarn.api.records.LocalizationState
返回一个数组,包含此枚举类型的所有常量,顺序与其声明顺序一致。
values() - Static method in enum org.apache.hadoop.yarn.api.records.LocalResourceType
返回一个数组,包含此枚举类型的所有常量,顺序与其声明顺序一致。
values() - Static method in enum org.apache.hadoop.yarn.api.records.LocalResourceVisibility
返回一个数组,包含此枚举类型的所有常量,顺序与其声明顺序一致。
values() - Static method in enum org.apache.hadoop.yarn.api.records.NodeAttributeOpCode
返回一个数组,包含此枚举类型的所有常量,顺序与其声明顺序一致。
values() - Static method in enum org.apache.hadoop.yarn.api.records.NodeAttributeType
返回一个数组,包含此枚举类型的所有常量,顺序与其声明顺序一致。
values() - Static method in enum org.apache.hadoop.yarn.api.records.NodeState
返回一个数组,包含此枚举类型的所有常量,顺序与其声明顺序一致。
values() - Static method in enum org.apache.hadoop.yarn.api.records.QueueACL
返回一个数组,包含此枚举类型的所有常量,顺序与其声明顺序一致。
values() - Static method in enum org.apache.hadoop.yarn.api.records.QueueState
返回一个数组,包含此枚举类型的所有常量,顺序与其声明顺序一致。
values() - Static method in enum org.apache.hadoop.yarn.api.records.RejectionReason
返回一个数组,包含此枚举类型的所有常量,顺序与其声明顺序一致。
values() - Static method in enum org.apache.hadoop.yarn.api.records.ReservationACL
返回一个数组,包含此枚举类型的所有常量,顺序与其声明顺序一致。
values() - Static method in enum org.apache.hadoop.yarn.api.records.ReservationRequestInterpreter
返回一个数组,包含此枚举类型的所有常量,顺序与其声明顺序一致。
values() - Static method in enum org.apache.hadoop.yarn.api.records.ShellContainerCommand
返回一个数组,包含此枚举类型的所有常量,顺序与其声明顺序一致。
values() - Static method in enum org.apache.hadoop.yarn.api.records.SignalContainerCommand
返回一个数组,包含此枚举类型的所有常量,顺序与其声明顺序一致。
values() - Static method in enum org.apache.hadoop.yarn.api.records.timelineservice.TimelineEntityType
返回一个数组,包含此枚举类型的所有常量,顺序与其声明顺序一致。
values() - Static method in enum org.apache.hadoop.yarn.api.records.YarnApplicationAttemptState
返回一个数组,包含此枚举类型的所有常量,顺序与其声明顺序一致。
values() - Static method in enum org.apache.hadoop.yarn.api.records.YarnApplicationState
返回一个数组,包含此枚举类型的所有常量,顺序与其声明顺序一致。
values() - Static method in enum org.apache.hadoop.yarn.service.api.records.ComponentState
返回一个数组,包含此枚举类型的所有常量,顺序与其声明顺序一致。
values() - Static method in enum org.apache.hadoop.yarn.service.api.records.ConfigFormat
返回一个数组,包含此枚举类型的所有常量,顺序与其声明顺序一致。
values() - Static method in enum org.apache.hadoop.yarn.service.api.records.ContainerState
返回一个数组,包含此枚举类型的所有常量,顺序与其声明顺序一致。
values() - Static method in enum org.apache.hadoop.yarn.service.api.records.PlacementScope
返回一个数组,包含此枚举类型的所有常量,顺序与其声明顺序一致。
values() - Static method in enum org.apache.hadoop.yarn.service.api.records.PlacementType
返回一个数组,包含此枚举类型的所有常量,顺序与其声明顺序一致。
values() - Static method in enum org.apache.hadoop.yarn.service.api.records.ServiceState
返回一个数组,包含此枚举类型的所有常量,顺序与其声明顺序一致。
VCORES_INDEX - Static variable in class org.apache.hadoop.yarn.api.records.Resource
 
VECTOREDIO - Static variable in interface org.apache.hadoop.fs.StreamCapabilities
支持向量化IO API。
VERB_GROUP - Static variable in class org.apache.hadoop.fs.s3a.audit.S3LogParser
记录"verb"日志组。
verifyAndCreateRemoteLogDir() - Method in class org.apache.hadoop.yarn.logaggregation.filecontroller.LogAggregationFileController
验证并创建远程日志目录。
verifyDriverReady() - Method in class org.apache.hadoop.hdfs.server.federation.store.driver.StateStoreDriver
检查驱动程序是否已准备就绪可供使用,否则抛出异常。
verifyToken(TokenIdent, byte[]) - Method in class org.apache.hadoop.security.token.delegation.AbstractDelegationTokenSecretManager
验证给定的标识符和密码是否有效且匹配。
VERSION - Static variable in class org.apache.hadoop.mapreduce.lib.output.committer.manifest.files.ManifestSuccessData
支持的版本值:1。
version(String) - Method in class org.apache.hadoop.yarn.service.api.records.Service
服务的版本。
VERSION_GROUP - Static variable in class org.apache.hadoop.fs.s3a.audit.S3LogParser
记录"version"日志组。
VersionedWritable - Class in org.apache.hadoop.io
为Writables提供版本检查的基类。
VersionedWritable() - Constructor for class org.apache.hadoop.io.VersionedWritable
 
versionID - Static variable in interface org.apache.hadoop.ha.HAServiceProtocol
协议的初始版本
VersionInfo - Class in org.apache.hadoop.util
该类返回Hadoop组件的构建信息。
VersionInfo(String) - Constructor for class org.apache.hadoop.util.VersionInfo
 
VersionMismatchException - Exception in org.apache.hadoop.io
Thrown by VersionedWritable.readFields(DataInput) when the version of an object being read does not match the current implementation version as returned by VersionedWritable.getVersion().
VersionMismatchException(byte, byte) - Constructor for exception org.apache.hadoop.io.VersionMismatchException
 
ViewFileSystem - Class in org.apache.hadoop.fs.viewfs
ViewFileSystem(继承自FileSystem接口)实现了客户端的挂载表功能。
ViewFileSystem() - Constructor for class org.apache.hadoop.fs.viewfs.ViewFileSystem
This is the constructor with the signature needed by FileSystem.createFileSystem(URI, Configuration) After this constructor is called initialize() is called.
ViewFileSystem(Configuration) - Constructor for class org.apache.hadoop.fs.viewfs.ViewFileSystem
为应用程序直接调用的便捷构造函数。
ViewFileSystemUtil - Class in org.apache.hadoop.fs.viewfs
ViewFileSystem的实用工具API。
ViewFs - Class in org.apache.hadoop.fs.viewfs
ViewFs(继承自AbstractFileSystem接口)实现了客户端的挂载表功能。
ViewFs(Configuration) - Constructor for class org.apache.hadoop.fs.viewfs.ViewFs
 
VIEWFS_SCHEME - Static variable in interface org.apache.hadoop.fs.FsConstants
 
VIEWFS_TYPE - Static variable in interface org.apache.hadoop.fs.FsConstants
 
VIEWFS_URI - Static variable in interface org.apache.hadoop.fs.FsConstants
ViewFs: viewFs文件系统(即客户端上的挂载文件系统)
VIntWritable - Class in org.apache.hadoop.io
一个用于以可变长度格式存储整数值的WritableComparable。
VIntWritable() - Constructor for class org.apache.hadoop.io.VIntWritable
 
VIntWritable(int) - Constructor for class org.apache.hadoop.io.VIntWritable
 
visibility(LocalResourceVisibility) - Method in class org.apache.hadoop.yarn.service.api.records.ConfigFile
配置文件的可见性。
visit(MetricsVisitor) - Method in class org.apache.hadoop.metrics2.AbstractMetric
接受一个访问者接口
VLongWritable - Class in org.apache.hadoop.io
一种用于可变长度格式长整数的WritableComparable。
VLongWritable() - Constructor for class org.apache.hadoop.io.VLongWritable
 
VLongWritable(long) - Constructor for class org.apache.hadoop.io.VLongWritable
 

W

waitFor(Supplier) - Method in class org.apache.hadoop.yarn.client.api.AMRMClient
Wait for check to return true for each 1000 ms.
waitFor(Supplier, int) - Method in class org.apache.hadoop.yarn.client.api.AMRMClient
Wait for check to return true for each checkEveryMillis ms.
waitFor(Supplier, int, int) - Method in class org.apache.hadoop.yarn.client.api.AMRMClient
Wait for check to return true for each checkEveryMillis ms.
waitFor(Supplier) - Method in class org.apache.hadoop.yarn.client.api.async.AMRMClientAsync
Wait for check to return true for each 1000 ms.
waitFor(Supplier, int) - Method in class org.apache.hadoop.yarn.client.api.async.AMRMClientAsync
Wait for check to return true for each checkEveryMillis ms.
waitFor(Supplier, int, int) - Method in class org.apache.hadoop.yarn.client.api.async.AMRMClientAsync
Wait for check to return true for each checkEveryMillis ms.
waitForCompletion() - Method in interface org.apache.hadoop.mapred.RunningJob
阻塞直到作业完成。
waitForCompletion(boolean) - Method in class org.apache.hadoop.mapreduce.Job
将作业提交到集群并等待其完成。
waitForJobCompletion(Job) - Method in class org.apache.hadoop.tools.DistCp
等待给定作业完成。
waitForServiceToStop(long) - Method in class org.apache.hadoop.service.AbstractService
 
waitForServiceToStop(long) - Method in interface org.apache.hadoop.service.Service
等待服务停止的块;使用终止通知对象来实现。
WAITING - Static variable in class org.apache.hadoop.mapred.jobcontrol.Job
 
Wasb - Class in org.apache.hadoop.fs.azure
AbstractFileSystem的WASB实现。
WASB_BYTES_READ - Static variable in class org.apache.hadoop.fs.azure.metrics.AzureFileSystemInstrumentation
 
WASB_BYTES_WRITTEN - Static variable in class org.apache.hadoop.fs.azure.metrics.AzureFileSystemInstrumentation
 
WASB_CLIENT_ERRORS - Static variable in class org.apache.hadoop.fs.azure.metrics.AzureFileSystemInstrumentation
 
WASB_DIRECTORIES_CREATED - Static variable in class org.apache.hadoop.fs.azure.metrics.AzureFileSystemInstrumentation
 
WASB_DIRECTORIES_DELETED - Static variable in class org.apache.hadoop.fs.azure.metrics.AzureFileSystemInstrumentation
 
WASB_DNS_PREFIX - Static variable in class org.apache.hadoop.fs.azurebfs.constants.FileSystemUriSchemes
 
WASB_DOWNLOAD_LATENCY - Static variable in class org.apache.hadoop.fs.azure.metrics.AzureFileSystemInstrumentation
 
WASB_DOWNLOAD_RATE - Static variable in class org.apache.hadoop.fs.azure.metrics.AzureFileSystemInstrumentation
 
WASB_FILES_CREATED - Static variable in class org.apache.hadoop.fs.azure.metrics.AzureFileSystemInstrumentation
 
WASB_FILES_DELETED - Static variable in class org.apache.hadoop.fs.azure.metrics.AzureFileSystemInstrumentation
 
WASB_RAW_BYTES_DOWNLOADED - Static variable in class org.apache.hadoop.fs.azure.metrics.AzureFileSystemInstrumentation
 
WASB_RAW_BYTES_UPLOADED - Static variable in class org.apache.hadoop.fs.azure.metrics.AzureFileSystemInstrumentation
 
WASB_SCHEME - Static variable in class org.apache.hadoop.fs.azurebfs.constants.FileSystemUriSchemes
 
WASB_SECURE_SCHEME - Static variable in class org.apache.hadoop.fs.azurebfs.constants.FileSystemUriSchemes
 
WASB_SERVER_ERRORS - Static variable in class org.apache.hadoop.fs.azure.metrics.AzureFileSystemInstrumentation
 
WASB_UPLOAD_LATENCY - Static variable in class org.apache.hadoop.fs.azure.metrics.AzureFileSystemInstrumentation
 
WASB_UPLOAD_RATE - Static variable in class org.apache.hadoop.fs.azure.metrics.AzureFileSystemInstrumentation
 
WASB_WEB_RESPONSES - Static variable in class org.apache.hadoop.fs.azure.metrics.AzureFileSystemInstrumentation
 
WasbFsck - Class in org.apache.hadoop.fs.azure
一个针对WASB实现的fsck工具,用于在WASB文件系统上执行各种管理/清理/恢复任务。
WasbFsck(Configuration) - Constructor for class org.apache.hadoop.fs.azure.WasbFsck
 
Wasbs - Class in org.apache.hadoop.fs.azure
针对wasbs方案的AbstractFileSystem的WASB实现。
weakIntern(String) - Static method in class org.apache.hadoop.util.StringInterner
实习并返回对代表实例的引用,该实例代表一组彼此相等的字符串实例中的任意一个。
webEndpoint(String, URI...) - Static method in class org.apache.hadoop.registry.client.binding.RegistryTypeUtils
从URI列表创建Web UI端点
WebHdfs - Class in org.apache.hadoop.fs
基于Web的HDFS抽象文件系统实现。
webResponse() - Method in class org.apache.hadoop.fs.azure.metrics.AzureFileSystemInstrumentation
表示我们刚刚从Azure存储获得了网络响应。
WILDCARD_ACL_VALUE - Static variable in class org.apache.hadoop.security.authorize.AccessControlList
 
WINDOWS - Static variable in class org.apache.hadoop.fs.Path
当前主机是否为Windows机器。
WINDOWS - Static variable in class org.apache.hadoop.util.Shell
 
WINDOWS_MAX_SHELL_LENGHT - Static variable in class org.apache.hadoop.util.Shell
Deprecated.
use the correctly spelled constant.
WINDOWS_MAX_SHELL_LENGTH - Static variable in class org.apache.hadoop.util.Shell
Windows系统中的最大命令行长度 KB830473文档中记录为8191个字符
Windows进程启动锁 - Static variable in class org.apache.hadoop.util.Shell
Windows CreateProcess synchronization object.
WINUTILS - Static variable in class org.apache.hadoop.util.Shell
Deprecated.
use one of the exception-raising getter methods, specifically Shell.getWinUtilsPath() or Shell.getWinUtilsFile()
withFileStatus(FileStatus) - Method in interface org.apache.hadoop.fs.FutureDataInputStreamBuilder
可以向打开请求提供一个FileStatus。
withFileStatus(FileStatus) - Method in class org.apache.hadoop.fs.impl.FutureDataInputStreamBuilderImpl
 
WORKFLOW_ADJACENCY_PREFIX_PATTERN - Static variable in class org.apache.hadoop.mapred.JobConf
Deprecated.
WORKFLOW_ADJACENCY_PREFIX_STRING - Static variable in class org.apache.hadoop.mapred.JobConf
Deprecated.
WORKFLOW_ID - Static variable in class org.apache.hadoop.mapred.JobConf
Deprecated.
WORKFLOW_NAME - Static variable in class org.apache.hadoop.mapred.JobConf
Deprecated.
WORKFLOW_NODE_NAME - Static variable in class org.apache.hadoop.mapred.JobConf
Deprecated.
WORKFLOW_TAGS - Static variable in class org.apache.hadoop.mapred.JobConf
Deprecated.
WORKLOAD_CONFIG_ARG - Static variable in class org.apache.hadoop.tools.dynamometer.Client
 
WORKLOAD_INPUT_PATH_ARG - Static variable in class org.apache.hadoop.tools.dynamometer.Client
 
WORKLOAD_OUTPUT_PATH_ARG - Static variable in class org.apache.hadoop.tools.dynamometer.Client
 
WORKLOAD_RATE_FACTOR_ARG - Static variable in class org.apache.hadoop.tools.dynamometer.Client
 
WORKLOAD_RATE_FACTOR_DEFAULT - Static variable in class org.apache.hadoop.tools.dynamometer.Client
 
WORKLOAD_REPLAY_ENABLE_ARG - Static variable in class org.apache.hadoop.tools.dynamometer.Client
 
WORKLOAD_START_DELAY_ARG - Static variable in class org.apache.hadoop.tools.dynamometer.Client
 
WORKLOAD_THREADS_PER_MAPPER_ARG - Static variable in class org.apache.hadoop.tools.dynamometer.Client
 
wrapException(String, String, IOException) - Static method in class org.apache.hadoop.io.IOUtils
接收一个IOException异常、文件/目录路径和方法名作为输入,返回一个以输入异常为根本原因的新IOException,同时包含文件和方法的详细信息。
WrappedIO - Class in org.apache.hadoop.io.wrappedio
对某些较旧Hadoop版本中不可用的API提供反射友好访问,这些版本仍是库编译所依赖的。
WrappedMapper<KEYIN,VALUEIN,KEYOUT,VALUEOUT> - Class in org.apache.hadoop.mapreduce.lib.map
A Mapper which wraps a given one to allow custom Mapper.Context implementations.
WrappedMapper() - Constructor for class org.apache.hadoop.mapreduce.lib.map.WrappedMapper
 
wrappedReadForCompressedData(InputStream, byte[], int, int) - Static method in class org.apache.hadoop.io.IOUtils
Utility wrapper for reading from InputStream.
WrappedRecordReader<K extends WritableComparable,U extends Writable> - Class in org.apache.hadoop.mapred.join
用于参与连接框架的RecordReader的代理类。
WrappedRecordReader<K extends WritableComparable<?>,U extends Writable> - Class in org.apache.hadoop.mapreduce.lib.join
用于参与连接框架的RecordReader的代理类。
WrappedRecordReader(int) - Constructor for class org.apache.hadoop.mapreduce.lib.join.WrappedRecordReader
 
WrappedReducer<KEYIN,VALUEIN,KEYOUT,VALUEOUT> - Class in org.apache.hadoop.mapreduce.lib.reduce
A Reducer which wraps a given one to allow for custom Reducer.Context implementations.
WrappedReducer() - Constructor for class org.apache.hadoop.mapreduce.lib.reduce.WrappedReducer
 
WrappedStatistics - Class in org.apache.hadoop.io.wrappedio
对IOStatistics API的反射友好访问。
Writable - Interface in org.apache.hadoop.io
A serializable object which implements a simple, efficient, serialization protocol, based on DataInput and DataOutput.
WritableComparable<T> - Interface in org.apache.hadoop.io
A Writable which is also Comparable.
WritableComparator - Class in org.apache.hadoop.io
A Comparator for WritableComparables.
WritableComparator() - Constructor for class org.apache.hadoop.io.WritableComparator
 
WritableComparator(Class) - Constructor for class org.apache.hadoop.io.WritableComparator
Construct for a WritableComparable implementation.
WritableComparator(Class, boolean) - Constructor for class org.apache.hadoop.io.WritableComparator
 
WritableComparator(Class, Configuration, boolean) - Constructor for class org.apache.hadoop.io.WritableComparator
 
WritableFactories - Class in org.apache.hadoop.io
非公共可写对象的工厂类。
WritableFactory - Interface in org.apache.hadoop.io
一个用于生成Writable类的工厂。
WritableSerialization - Class in org.apache.hadoop.io.serializer
WritableSerialization() - Constructor for class org.apache.hadoop.io.serializer.WritableSerialization
 
WritableUtils - Class in org.apache.hadoop.io
 
WritableUtils() - Constructor for class org.apache.hadoop.io.WritableUtils
 
write(DataOutput) - Method in class org.apache.hadoop.conf.配置
 
write(DataOutput) - Method in class org.apache.hadoop.fs.FileStatus
Deprecated.
Use the PBHelper and protobuf serialization directly.
write(FileSystem, Path, byte[]) - Static method in class org.apache.hadoop.fs.FileUtil
将字节写入文件。
write(FileContext, Path, byte[]) - Static method in class org.apache.hadoop.fs.FileUtil
将字节写入文件。
write(FileSystem, Path, Iterable, Charset) - Static method in class org.apache.hadoop.fs.FileUtil
将文本行写入文件。
write(FileContext, Path, Iterable, Charset) - Static method in class org.apache.hadoop.fs.FileUtil
将文本行写入文件。
write(FileSystem, Path, CharSequence, Charset) - Static method in class org.apache.hadoop.fs.FileUtil
将一行文本写入文件。
write(FileContext, Path, CharSequence, Charset) - Static method in class org.apache.hadoop.fs.FileUtil
将一行文本写入文件。
write(FileSystem, Path, CharSequence) - Static method in class org.apache.hadoop.fs.FileUtil
将一行文本写入文件。
write(FileContext, Path, CharSequence) - Static method in class org.apache.hadoop.fs.FileUtil
向文件写入一行文本。
write(DataOutput) - Method in class org.apache.hadoop.fs.FsStatus
 
write(DataOutput) - Method in class org.apache.hadoop.fs.permission.FsPermission
Deprecated.
write(Block, ProvidedStorageLocation) - Method in class org.apache.hadoop.hdfs.server.aliasmap.InMemoryAliasMap
 
write(DataOutput) - Method in class org.apache.hadoop.io.AbstractMapWritable
 
write(DataOutput) - Method in class org.apache.hadoop.io.ArrayPrimitiveWritable
 
write(DataOutput) - Method in class org.apache.hadoop.io.ArrayWritable
 
write(DataOutput) - Method in class org.apache.hadoop.io.BooleanWritable
 
write(DataOutput) - Method in class org.apache.hadoop.io.BytesWritable
 
write(DataOutput) - Method in class org.apache.hadoop.io.ByteWritable
 
write(byte[], int, int) - Method in class org.apache.hadoop.io.compress.BlockCompressorStream
将提供的数据写入压缩编解码器,每个块压缩的数据量不超过缓冲区大小减去构建时指定的压缩开销。
write(byte[], int, int) - Method in class org.apache.hadoop.io.compress.CompressionOutputStream
将压缩后的字节写入流。
write(byte[], int, int) - Method in class org.apache.hadoop.io.compress.CompressorStream
 
write(int) - Method in class org.apache.hadoop.io.compress.CompressorStream
 
write(DataOutput) - Method in class org.apache.hadoop.io.CompressedWritable
 
write(int) - Method in class org.apache.hadoop.io.DataOutputOutputStream
 
write(byte[], int, int) - Method in class org.apache.hadoop.io.DataOutputOutputStream
 
write(byte[]) - Method in class org.apache.hadoop.io.DataOutputOutputStream
 
write(DataOutput) - Method in class org.apache.hadoop.io.DoubleWritable
 
write(DataOutput) - Method in class org.apache.hadoop.io.EnumSetWritable
 
write(DataOutput) - Method in class org.apache.hadoop.io.FloatWritable
 
write(DataOutput) - Method in class org.apache.hadoop.io.GenericWritable
 
write(DataOutput) - Method in class org.apache.hadoop.io.IntWritable
 
write(DataOutput) - Method in class org.apache.hadoop.io.LongWritable
 
write(DataOutput) - Method in class org.apache.hadoop.io.MapWritable
 
write(DataOutput) - Method in class org.apache.hadoop.io.MD5Hash
 
write(DataOutput) - Method in class org.apache.hadoop.io.NullWritable
 
write(DataOutput) - Method in class org.apache.hadoop.io.ObjectWritable
 
write(DataOutput) - Method in class org.apache.hadoop.io.ShortWritable
写入短整数值
write(DataOutput) - Method in class org.apache.hadoop.io.SortedMapWritable
 
write(DataOutput) - Method in class org.apache.hadoop.io.Text
序列化。
write(DataOutput, int) - Method in class org.apache.hadoop.io.Text
 
write(DataOutput) - Method in class org.apache.hadoop.io.TwoDArrayWritable
 
write(DataOutput) - Method in class org.apache.hadoop.io.VersionedWritable
 
write(DataOutput) - Method in class org.apache.hadoop.io.VIntWritable
 
write(DataOutput) - Method in class org.apache.hadoop.io.VLongWritable
 
write(DataOutput) - Method in interface org.apache.hadoop.io.Writable
Serialize the fields of this object to out.
write(DataOutput) - Method in class org.apache.hadoop.mapred.ClusterStatus
 
write(DataOutput) - Method in class org.apache.hadoop.mapred.Counters.Counter
 
write(DataOutput) - Method in class org.apache.hadoop.mapred.Counters.Group
 
write(DataOutput) - Method in class org.apache.hadoop.mapred.FileSplit
 
write(DataOutput) - Method in class org.apache.hadoop.mapred.join.CompositeInputSplit
按以下格式写入分片。
write(K, V) - Method in interface org.apache.hadoop.mapred.RecordWriter
写入一个键/值对。
write(DataOutput) - Method in class org.apache.hadoop.mapreduce.ClusterMetrics
 
write(DataOutput) - Method in class org.apache.hadoop.mapreduce.counters.AbstractCounters
写入组集合。
write(DataOutput) - Method in class org.apache.hadoop.mapreduce.ID
 
write(DataOutput) - Method in class org.apache.hadoop.mapreduce.JobID
 
write(DataOutput) - Method in class org.apache.hadoop.mapreduce.JobStatus
 
write(PreparedStatement) - Method in interface org.apache.hadoop.mapreduce.lib.db.DBWritable
Sets the fields of the object in the PreparedStatement.
write(DataOutput) - Method in class org.apache.hadoop.mapreduce.lib.input.CombineFileSplit
 
write(DataOutput) - Method in class org.apache.hadoop.mapreduce.lib.input.FileSplit
 
write(DataOutput) - Method in class org.apache.hadoop.mapreduce.lib.join.CompositeInputSplit
按以下格式写入分片。
write(DataOutput) - Method in class org.apache.hadoop.mapreduce.lib.join.TupleWritable
Writes each Writable to out.
write(DataOutput) - Method in class org.apache.hadoop.mapreduce.lib.output.committer.manifest.files.DirEntry
 
write(String, K, V) - Method in class org.apache.hadoop.mapreduce.lib.output.MultipleOutputs
将键和值写入namedOutput。
write(String, K, V, String) - Method in class org.apache.hadoop.mapreduce.lib.output.MultipleOutputs
使用namedOutput将键和值写入baseOutputPath。
write(KEYOUT, VALUEOUT, String) - Method in class org.apache.hadoop.mapreduce.lib.output.MultipleOutputs
将键值写入输出文件名。
write(DataOutput) - Method in class org.apache.hadoop.mapreduce.QueueAclsInfo
 
write(DataOutput) - Method in class org.apache.hadoop.mapreduce.QueueInfo
 
write(K, V) - Method in class org.apache.hadoop.mapreduce.RecordWriter
写入一个键/值对。
write(DataOutput) - Method in class org.apache.hadoop.mapreduce.TaskAttemptID
 
write(DataOutput) - Method in class org.apache.hadoop.mapreduce.TaskCompletionEvent
 
write(DataOutput) - Method in class org.apache.hadoop.mapreduce.TaskID
 
write(KEYOUT, VALUEOUT) - Method in interface org.apache.hadoop.mapreduce.TaskInputOutputContext
生成一个输出键/值对。
write(DataOutput) - Method in class org.apache.hadoop.mapreduce.TaskTrackerInfo
 
write(DataOutput) - Method in class org.apache.hadoop.record.Record
Deprecated.
 
write(DataOutput) - Method in class org.apache.hadoop.security.authorize.AccessControlList
序列化AccessControlList对象
write(DataOutput) - Method in class org.apache.hadoop.security.Credentials
存储所有指向DataOutput的键。
write(DataOutput) - Method in class org.apache.hadoop.security.token.delegation.AbstractDelegationTokenIdentifier
 
write(DataOutput) - Method in class org.apache.hadoop.security.token.Token
 
write(DataOutput) - Method in class org.apache.hadoop.util.bloom.BloomFilter
 
write(DataOutput) - Method in class org.apache.hadoop.util.bloom.CountingBloomFilter
 
write(DataOutput) - Method in class org.apache.hadoop.util.bloom.DynamicBloomFilter
 
write(DataOutput) - Method in class org.apache.hadoop.util.bloom.RetouchedBloomFilter
 
write(AggregatedLogFormat.LogKey, AggregatedLogFormat.LogValue) - Method in class org.apache.hadoop.yarn.logaggregation.filecontroller.LogAggregationFileController
写入日志内容。
write(DataOutput) - Method in class org.apache.hadoop.yarn.security.AMRMTokenIdentifier
 
write(DataOutput) - Method in class org.apache.hadoop.yarn.security.client.ClientToAMTokenIdentifier
 
write(DataOutput) - Method in class org.apache.hadoop.yarn.security.ContainerTokenIdentifier
 
write(DataOutput) - Method in class org.apache.hadoop.yarn.security.NMTokenIdentifier
 
WRITE_BUFFER_SIZE_KEY - Static variable in class org.apache.hadoop.fs.adl.AdlConfKeys
 
WRITE_CURRENT_BUFFER_OPERATIONS - Static variable in class org.apache.hadoop.fs.statistics.StreamStatisticNames
当前缓冲区写入服务的次数。
writeBool(boolean, String) - Method in class org.apache.hadoop.record.BinaryRecordOutput
Deprecated.
 
writeBool(boolean, String) - Method in class org.apache.hadoop.record.CsvRecordOutput
Deprecated.
 
writeBool(boolean, String) - Method in interface org.apache.hadoop.record.RecordOutput
Deprecated.
将布尔值写入序列化记录。
writeBuffer(Buffer, String) - Method in class org.apache.hadoop.record.BinaryRecordOutput
Deprecated.
 
writeBuffer(Buffer, String) - Method in class org.apache.hadoop.record.CsvRecordOutput
Deprecated.
 
writeBuffer(Buffer, String) - Method in interface org.apache.hadoop.record.RecordOutput
Deprecated.
将缓冲区写入序列化记录。
writeByte(byte, String) - Method in class org.apache.hadoop.record.BinaryRecordOutput
Deprecated.
 
writeByte(byte, String) - Method in class org.apache.hadoop.record.CsvRecordOutput
Deprecated.
 
writeByte(byte, String) - Method in interface org.apache.hadoop.record.RecordOutput
Deprecated.
向序列化记录写入一个字节。
writeCompressed(DataOutput) - Method in class org.apache.hadoop.io.CompressedWritable
Subclasses implement this instead of CompressedWritable.write(DataOutput).
writeCompressedByteArray(DataOutput, byte[]) - Static method in class org.apache.hadoop.io.WritableUtils
 
writeCompressedString(DataOutput, String) - Static method in class org.apache.hadoop.io.WritableUtils
 
writeCompressedStringArray(DataOutput, String[]) - Static method in class org.apache.hadoop.io.WritableUtils
 
writeDouble(double, String) - Method in class org.apache.hadoop.record.BinaryRecordOutput
Deprecated.
 
writeDouble(double, String) - Method in class org.apache.hadoop.record.CsvRecordOutput
Deprecated.
 
writeDouble(double, String) - Method in interface org.apache.hadoop.record.RecordOutput
Deprecated.
将一个双精度浮点数写入序列化记录。
writeEnum(DataOutput, Enum) - Static method in class org.apache.hadoop.io.WritableUtils
将枚举的字符串值写入DataOutput。
writeFloat(float, String) - Method in class org.apache.hadoop.record.BinaryRecordOutput
Deprecated.
 
writeFloat(float, String) - Method in class org.apache.hadoop.record.CsvRecordOutput
Deprecated.
 
writeFloat(float, String) - Method in interface org.apache.hadoop.record.RecordOutput
Deprecated.
将单精度浮点数写入序列化记录。
writeFully(WritableByteChannel, ByteBuffer) - Static method in class org.apache.hadoop.io.IOUtils
将ByteBuffer写入WritableByteChannel,处理短写入情况。
writeFully(FileChannel, ByteBuffer, long) - Static method in class org.apache.hadoop.io.IOUtils
将ByteBuffer写入到指定偏移量的FileChannel中,处理短写入情况。
writeHeader(OutputStream) - Static method in class org.apache.hadoop.io.compress.BZip2Codec
 
writeInt(int, String) - Method in class org.apache.hadoop.record.BinaryRecordOutput
Deprecated.
 
writeInt(int, String) - Method in class org.apache.hadoop.record.CsvRecordOutput
Deprecated.
 
writeInt(int, String) - Method in interface org.apache.hadoop.record.RecordOutput
Deprecated.
将一个整数写入序列化记录。
writeLong(long, String) - Method in class org.apache.hadoop.record.BinaryRecordOutput
Deprecated.
 
writeLong(long, String) - Method in class org.apache.hadoop.record.CsvRecordOutput
Deprecated.
 
writeLong(long, String) - Method in interface org.apache.hadoop.record.RecordOutput
Deprecated.
将一个长整型数值写入序列化记录。
writeMetric(String) - Method in class org.apache.hadoop.metrics2.sink.StatsDSink
 
writeObject(DataOutput, Object, Class, Configuration) - Static method in class org.apache.hadoop.io.ObjectWritable
Write a Writable, String, primitive type, or an array of the preceding.
writeObject(DataOutput, Object, Class, Configuration, boolean) - Static method in class org.apache.hadoop.io.ObjectWritable
Write a Writable, String, primitive type, or an array of the preceding.
writePartitionFile(JobConf, InputSampler.Sampler) - Static method in class org.apache.hadoop.mapred.lib.InputSampler
 
writePartitionFile(Job, InputSampler.Sampler) - Static method in class org.apache.hadoop.mapreduce.lib.partition.InputSampler
为给定作业写入分区文件,使用提供的采样器。
writeString(DataOutput, String) - Static method in class org.apache.hadoop.io.file.tfile.Utils
将一个字符串作为VInt n写入,后跟n个字节,格式与Text相同。
writeString(DataOutput, String) - Static method in class org.apache.hadoop.io.Text
将一个UTF8编码的字符串写入输出流。
writeString(DataOutput, String, int) - Static method in class org.apache.hadoop.io.Text
 
writeString(DataOutput, String) - Static method in class org.apache.hadoop.io.WritableUtils
 
writeString(String, String) - Method in class org.apache.hadoop.record.BinaryRecordOutput
Deprecated.
 
writeString(String, String) - Method in class org.apache.hadoop.record.CsvRecordOutput
Deprecated.
 
writeString(String, String) - Method in interface org.apache.hadoop.record.RecordOutput
Deprecated.
将Unicode字符串写入序列化记录。
writeStringArray(DataOutput, String[]) - Static method in class org.apache.hadoop.io.WritableUtils
 
writeTokenStorageFile(Path, Configuration) - Method in class org.apache.hadoop.security.Credentials
 
writeTokenStorageFile(Path, Configuration, Credentials.SerializedFormat) - Method in class org.apache.hadoop.security.Credentials
 
writeTokenStorageToStream(DataOutputStream) - Method in class org.apache.hadoop.security.Credentials
 
writeTokenStorageToStream(DataOutputStream, Credentials.SerializedFormat) - Method in class org.apache.hadoop.security.Credentials
 
writeVInt(DataOutput, int) - Static method in class org.apache.hadoop.io.file.tfile.Utils
将整数编码为可变长度编码格式。
writeVInt(DataOutput, int) - Static method in class org.apache.hadoop.io.WritableUtils
使用零压缩编码将整数序列化为二进制流。
writeVInt(DataOutput, int) - Static method in class org.apache.hadoop.record.Utils
Deprecated.
使用零压缩编码将整数序列化为二进制流。
writeVLong(DataOutput, long) - Static method in class org.apache.hadoop.io.file.tfile.Utils
将长整型编码为可变长度编码格式。
writeVLong(DataOutput, long) - Static method in class org.apache.hadoop.io.WritableUtils
使用零压缩编码将长整型序列化为二进制流。
writeVLong(DataOutput, long) - Static method in class org.apache.hadoop.record.Utils
Deprecated.
使用零压缩编码将长整型序列化为二进制流。
writeXml(OutputStream) - Method in class org.apache.hadoop.conf.配置
Write out the non-default properties in this configuration to the given OutputStream using UTF-8 encoding.
writeXml(Writer) - Method in class org.apache.hadoop.conf.配置
 
writeXml(String, Writer, Configuration) - Method in class org.apache.hadoop.conf.配置
Write out the non-default properties in this configuration to the given Writer.
writeXml(String, Writer) - Method in class org.apache.hadoop.conf.配置
 
written - Variable in class org.apache.hadoop.mapreduce.lib.join.TupleWritable
 

X

X_FRAME_OPTIONS - Static variable in class org.apache.hadoop.security.http.XFrameOptionsFilter
 
X_HEADER_MAGIC_MARKER - Static variable in class org.apache.hadoop.fs.s3a.commit.CommitConstants
Magic Marker头信息,用于在magic上传时声明最终文件长度 标记对象:"x-hadoop-s3a-magic-data-length"。
X_HTTP_METHOD_OVERRIDE - Static variable in class org.apache.hadoop.fs.azurebfs.constants.HttpHeaderConfigurations
 
X_MS_ABFS_CLIENT_LATENCY - Static variable in class org.apache.hadoop.fs.azurebfs.constants.HttpHeaderConfigurations
 
X_MS_ACL - Static variable in class org.apache.hadoop.fs.azurebfs.constants.HttpHeaderConfigurations
 
X_MS_CLIENT_REQUEST_ID - Static variable in class org.apache.hadoop.fs.azurebfs.constants.HttpHeaderConfigurations
 
X_MS_CONTINUATION - Static variable in class org.apache.hadoop.fs.azurebfs.constants.HttpHeaderConfigurations
 
X_MS_DATE - Static variable in class org.apache.hadoop.fs.azurebfs.constants.HttpHeaderConfigurations
 
X_MS_ENCRYPTION_ALGORITHM - Static variable in class org.apache.hadoop.fs.azurebfs.constants.HttpHeaderConfigurations
 
X_MS_ENCRYPTION_CONTEXT - Static variable in class org.apache.hadoop.fs.azurebfs.constants.HttpHeaderConfigurations
 
X_MS_ENCRYPTION_KEY - Static variable in class org.apache.hadoop.fs.azurebfs.constants.HttpHeaderConfigurations
 
X_MS_ENCRYPTION_KEY_SHA256 - Static variable in class org.apache.hadoop.fs.azurebfs.constants.HttpHeaderConfigurations
 
X_MS_EXISTING_RESOURCE_TYPE - Static variable in class org.apache.hadoop.fs.azurebfs.constants.HttpHeaderConfigurations
 
X_MS_GROUP - Static variable in class org.apache.hadoop.fs.azurebfs.constants.HttpHeaderConfigurations
 
X_MS_LEASE_ACTION - Static variable in class org.apache.hadoop.fs.azurebfs.constants.HttpHeaderConfigurations
 
X_MS_LEASE_BREAK_PERIOD - Static variable in class org.apache.hadoop.fs.azurebfs.constants.HttpHeaderConfigurations
 
X_MS_LEASE_DURATION - Static variable in class org.apache.hadoop.fs.azurebfs.constants.HttpHeaderConfigurations
 
X_MS_LEASE_ID - Static variable in class org.apache.hadoop.fs.azurebfs.constants.HttpHeaderConfigurations
 
X_MS_NAMESPACE_ENABLED - Static variable in class org.apache.hadoop.fs.azurebfs.constants.HttpHeaderConfigurations
 
X_MS_OWNER - Static variable in class org.apache.hadoop.fs.azurebfs.constants.HttpHeaderConfigurations
 
X_MS_PERMISSIONS - Static variable in class org.apache.hadoop.fs.azurebfs.constants.HttpHeaderConfigurations
 
X_MS_PROPERTIES - Static variable in class org.apache.hadoop.fs.azurebfs.constants.HttpHeaderConfigurations
 
X_MS_PROPOSED_LEASE_ID - Static variable in class org.apache.hadoop.fs.azurebfs.constants.HttpHeaderConfigurations
 
X_MS_RANGE_GET_CONTENT_MD5 - Static variable in class org.apache.hadoop.fs.azurebfs.constants.HttpHeaderConfigurations
 
X_MS_RENAME_SOURCE - Static variable in class org.apache.hadoop.fs.azurebfs.constants.HttpHeaderConfigurations
 
X_MS_REQUEST_ID - Static variable in class org.apache.hadoop.fs.azurebfs.constants.HttpHeaderConfigurations
 
X_MS_REQUEST_SERVER_ENCRYPTED - Static variable in class org.apache.hadoop.fs.azurebfs.constants.HttpHeaderConfigurations
 
X_MS_RESOURCE_TYPE - Static variable in class org.apache.hadoop.fs.azurebfs.constants.HttpHeaderConfigurations
 
X_MS_SERVER_ENCRYPTED - Static variable in class org.apache.hadoop.fs.azurebfs.constants.HttpHeaderConfigurations
 
X_MS_UMASK - Static variable in class org.apache.hadoop.fs.azurebfs.constants.HttpHeaderConfigurations
 
X_MS_VERSION - Static variable in class org.apache.hadoop.fs.azurebfs.constants.HttpHeaderConfigurations
 
XA_HEADER_PREFIX - Static variable in class org.apache.hadoop.fs.s3a.常量
为了符合XAttr规则,通过getXAttr API获取的对象所有头部信息都带有前缀:"header."。
XA_MAGIC_MARKER - Static variable in class org.apache.hadoop.fs.s3a.commit.CommitConstants
XAttr名称的魔法标记,带有"header."前缀:"header.x-hadoop-s3a-magic-data-length"。
XAttrCodec - Enum in org.apache.hadoop.fs
The value of XAttr is byte[], this class is to covert byte[] to some kind of string representation or convert back.
XAttrSetFlag - Enum in org.apache.hadoop.fs
 
XFrameOptionsFilter - Class in org.apache.hadoop.security.http
该过滤器可保护Web应用免受点击劫持攻击,此类攻击通过使用框架将资源嵌入到其他应用程序中并拦截点击来实现恶意目的。
XFrameOptionsFilter() - Constructor for class org.apache.hadoop.security.http.XFrameOptionsFilter
 
XFS - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
xor(Filter) - Method in class org.apache.hadoop.util.bloom.BloomFilter
 
xor(Filter) - Method in class org.apache.hadoop.util.bloom.CountingBloomFilter
 
xor(Filter) - Method in class org.apache.hadoop.util.bloom.DynamicBloomFilter
 

Y

YARN_ACL_ENABLE - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
是否启用了访问控制列表(ACLs)。
YARN_ADMIN_ACL - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
谁可以成为YARN集群管理员的访问控制列表(ACL)。
YARN_API_SERVICES_ENABLE - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
YARN_APP_ADMIN_CLIENT_PREFIX - Static variable in class org.apache.hadoop.yarn.client.api.AppAdminClient
 
YARN_APP_CONTAINER_LOG_BACKUPS - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
YARN_APP_CONTAINER_LOG_DIR - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
容器的日志目录
YARN_APP_CONTAINER_LOG_SIZE - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
YARN_APPLICATION_CLASSPATH - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
YARN应用程序的CLASSPATH。
YARN_APPLICATION_ID - Static variable in class org.apache.hadoop.yarn.api.records.timelineservice.SubApplicationEntity
 
YARN_AUTHORIZATION_PROVIDER - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
YARN_CLIENT_APP_SUBMISSION_POLL_INTERVAL_MS - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
Deprecated.
YARN_CLIENT_APPLICATION_CLIENT_PROTOCOL_POLL_INTERVAL_MS - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
yarn客户端库用于轮询应用程序客户端协议异步API完成状态的时间间隔。
YARN_CLIENT_APPLICATION_CLIENT_PROTOCOL_POLL_TIMEOUT_MS - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
yarn客户端库在轮询过程中累计等待预期状态变更发生的持续时间。
YARN_CLIENT_LOAD_RESOURCETYPES_FROM_SERVER - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
启用/禁用客户端加载resource-types.xml。
YARN_CONTAINER_SANDBOX - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
Java容器沙箱的运行模式,由JavaSandboxLinuxContainerRuntime详细说明。
YARN_CONTAINER_SANDBOX_FILE_PERMISSIONS - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
应用程序本地目录的权限。
YARN_CONTAINER_SANDBOX_POLICY - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
非默认Java策略文件的位置。
YARN_CONTAINER_SANDBOX_POLICY_GROUP_PREFIX - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
组到策略文件映射的前缀。
YARN_CONTAINER_SANDBOX_WHITELIST_GROUP - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
默认情况下,在没有Java安全管理器的情况下运行的组。
YARN_DISPATCHER_CPU_MONITOR_SAMPLES_PER_MIN - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
资源管理器调度线程监控采样率。
YARN_DISPATCHER_PRINT_EVENTS_INFO_THRESHOLD - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
用于触发资源管理器(RM)主事件调度器中事件类型和计数记录的阈值。
YARN_DISPATCHER_PRINT_THREAD_POOL_CORE_POOL_SIZE - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
资源管理器调度器拥有一个打印EventQueue的线程池, 配置该线程池的corePoolSize, corePoolSize的含义是池中保持的线程数量。
YARN_DISPATCHER_PRINT_THREAD_POOL_KEEP_ALIVE_TIME - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
资源管理器调度器拥有一个打印EventQueue的线程池, 配置该线程池的keepAliveTime参数, keepAliveTime的含义如下: 当线程数超过核心线程数时, 这是多余空闲线程在终止前等待新任务的最长时间。
YARN_DISPATCHER_PRINT_THREAD_POOL_MAXIMUM_POOL_SIZE - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
资源管理器调度器拥有一个打印EventQueue的线程池, 配置该线程池的maximumPoolSize参数, maximumPoolSize的含义是线程池中允许的最大线程数。
YARN_FAIL_FAST - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
YARN_HTTP_POLICY_DEFAULT - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
YARN_HTTP_POLICY_KEY - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
YARN_HTTP_WEBAPP_CUSTOM_DAO_CLASSES - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
YARN_HTTP_WEBAPP_CUSTOM_UNWRAPPED_DAO_CLASSES - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
YARN_HTTP_WEBAPP_EXTERNAL_CLASSES - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
YARN_HTTP_WEBAPP_SCHEDULER_PAGE - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
YARN_INTERMEDIATE_DATA_ENCRYPTION - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
在YARN级别启用/禁用中间数据加密。
YARN_LOG_SERVER_URL - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
YARN_LOG_SERVER_WEBSERVICE_URL - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
YARN_MC_PREFIX - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
YARN_MINICLUSTER_CONTROL_RESOURCE_MONITORING - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
用户是否明确尝试控制MiniYARNCluster的资源监控配置。
YARN_MINICLUSTER_FIXED_PORTS - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
是否在迷你集群中使用固定端口。
YARN_MINICLUSTER_NM_PMEM_MB - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
允许在MiniYARNCluster中更改NodeManager的内存配置
YARN_MINICLUSTER_USE_RPC - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
NM是否应该使用RPC连接到RM。
YARN_PREFIX - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
YARN_REGISTRY_CLASS - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
YARN_RESERVATION_ACL_ENABLE - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
是否启用了预留访问控制列表。
YARN_SECURITY_SERVICE_AUTHORIZATION_APPLICATIONCLIENT_PROTOCOL - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
YARN_SECURITY_SERVICE_AUTHORIZATION_APPLICATIONHISTORY_PROTOCOL - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
YARN_SECURITY_SERVICE_AUTHORIZATION_APPLICATIONMASTER_NODEMANAGER_PROTOCOL - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
YARN_SECURITY_SERVICE_AUTHORIZATION_APPLICATIONMASTER_PROTOCOL - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
YARN_SECURITY_SERVICE_AUTHORIZATION_COLLECTOR_NODEMANAGER_PROTOCOL - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
YARN_SECURITY_SERVICE_AUTHORIZATION_CONTAINER_MANAGEMENT_PROTOCOL - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
YARN_SECURITY_SERVICE_AUTHORIZATION_DISTRIBUTEDSCHEDULING_PROTOCOL - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
YARN_SECURITY_SERVICE_AUTHORIZATION_RESOURCE_LOCALIZER - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
YARN_SECURITY_SERVICE_AUTHORIZATION_RESOURCEMANAGER_ADMINISTRATION_PROTOCOL - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
YARN_SECURITY_SERVICE_AUTHORIZATION_RESOURCETRACKER_PROTOCOL - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
YARN 服务级别授权
YARN_SITE_CONFIGURATION_FILE - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
YARN_SSL_CLIENT_HTTPS_NEED_AUTH_DEFAULT - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
YARN_SSL_SERVER_RESOURCE_DEFAULT - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
YARN_TRACKING_URL_GENERATOR - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
YARN_WEBAPP_CUSTOM_WEBSERVICE_CLASS - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
YARN_WEBAPP_UI1_ENABLE_TOOLS - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
YARN_WEBAPP_UI2_ENABLE - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
启用YARN WebApp V2。
YARN_WEBAPP_UI2_WARFILE_PATH - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
YARN_WORKFLOW_ID_TAG_PREFIX - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
YARN_XFS_ENABLED - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
YarnApplicationAttemptState - Enum in org.apache.hadoop.yarn.api.records
Enumeration of various states of a RMAppAttempt.
YarnApplicationState - Enum in org.apache.hadoop.yarn.api.records
Enumeration of various states of an ApplicationMaster.
YarnClient - Class in org.apache.hadoop.yarn.client.api
 
YarnClient(String) - Constructor for class org.apache.hadoop.yarn.client.api.YarnClient
 
yarnClient - Variable in class org.apache.hadoop.yarn.service.client.ServiceClient
 
YarnClientApplication - Class in org.apache.hadoop.yarn.client.api
 
YarnClientApplication(GetNewApplicationResponse, ApplicationSubmissionContext) - Constructor for class org.apache.hadoop.yarn.client.api.YarnClientApplication
 
YarnClusterMetrics - Class in org.apache.hadoop.yarn.api.records
YarnClusterMetrics represents cluster metrics.
YarnClusterMetrics() - Constructor for class org.apache.hadoop.yarn.api.records.YarnClusterMetrics
 
Yarn配置 - Class in org.apache.hadoop.yarn.conf
 
YarnConfiguration() - Constructor for class org.apache.hadoop.yarn.conf.YarnConfiguration
 
YarnConfiguration(Configuration) - Constructor for class org.apache.hadoop.yarn.conf.YarnConfiguration
 
YarnException - Exception in org.apache.hadoop.yarn.exceptions
YarnException表示来自yarn服务器的异常。
YarnException() - Constructor for exception org.apache.hadoop.yarn.exceptions.YarnException
 
YarnException(String) - Constructor for exception org.apache.hadoop.yarn.exceptions.YarnException
 
YarnException(Throwable) - Constructor for exception org.apache.hadoop.yarn.exceptions.YarnException
 
YarnException(String, Throwable) - Constructor for exception org.apache.hadoop.yarn.exceptions.YarnException
 
YARNFeatureNotEnabledException - Exception in org.apache.hadoop.yarn.exceptions
当尝试使用尚未启用的功能时,会抛出此异常。
YARNFeatureNotEnabledException(Throwable) - Constructor for exception org.apache.hadoop.yarn.exceptions.YARNFeatureNotEnabledException
 
YARNFeatureNotEnabledException(String) - Constructor for exception org.apache.hadoop.yarn.exceptions.YARNFeatureNotEnabledException
 
YARNFeatureNotEnabledException(String, Throwable) - Constructor for exception org.apache.hadoop.yarn.exceptions.YARNFeatureNotEnabledException
 
YarnUncaughtExceptionHandler - Class in org.apache.hadoop.yarn
This class is intended to be installed by calling Thread.setDefaultUncaughtExceptionHandler(UncaughtExceptionHandler) In the main entry point.
YarnUncaughtExceptionHandler() - Constructor for class org.apache.hadoop.yarn.YarnUncaughtExceptionHandler
 

Z

ZERO - Static variable in class org.apache.hadoop.fs.azurebfs.constants.FileSystemConfigurations
 
ZK_APPID_NODE_SPLIT_INDEX - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
ZK_CONFIGURATION_STORE - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
ZK_DELEGATION_TOKEN_NODE_SPLIT_INDEX - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
RM委托令牌ID将被拆分的索引点,这样存储在ZooKeeper RM状态存储中的委托令牌znodes将被保存为两个不同的znodes(父子节点)。
ZK_PREFIX - Static variable in interface org.apache.hadoop.registry.client.api.RegistryConstants
Zookeeper特定选项的前缀:"hadoop.registry.zk."
ZK_RM_STATE_STORE_PARENT_PATH - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
ZKRMStateStore将在其下创建znodes的父节点路径
ZK_RM_STATE_STORE_ROOT_NODE_ACL - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
用于隔离的根节点访问控制列表(ACL)
ZK_STATE_STORE_PREFIX - Static variable in class org.apache.hadoop.yarn.conf.YarnConfiguration
 
ZKFCProtocolPB - Interface in org.apache.hadoop.ha.protocolPB
 
ZSTANDARD_CODEC_EXTENSION - Static variable in class org.apache.hadoop.io.compress.CodecConstants
Default extension for ZStandardCodec.

_

_getBranch() - Method in class org.apache.hadoop.util.VersionInfo
 
_getBuildVersion() - Method in class org.apache.hadoop.util.VersionInfo
 
_getCompilePlatform() - Method in class org.apache.hadoop.util.VersionInfo
 
_getDate() - Method in class org.apache.hadoop.util.VersionInfo
 
_getProtocVersion() - Method in class org.apache.hadoop.util.VersionInfo
 
_getRevision() - Method in class org.apache.hadoop.util.VersionInfo
 
_getSrcChecksum() - Method in class org.apache.hadoop.util.VersionInfo
 
_getUrl() - Method in class org.apache.hadoop.util.VersionInfo
 
_getUser() - Method in class org.apache.hadoop.util.VersionInfo
 
_getVersion() - Method in class org.apache.hadoop.util.VersionInfo
 
_SUCCESS - Static variable in class org.apache.hadoop.fs.s3a.commit.CommitConstants
成功时创建的标记文件: "_SUCCESS"。
A B C D E F G H I J K L M N O P Q R S T U V W X Y Z _ 
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