org.apache.hadoop.yarn.server.nodemanager.containermanager.logaggregation

Class LogAggregationService

java.lang.Object

org.apache.hadoop.yarn.service.AbstractService

org.apache.hadoop.yarn.server.nodemanager.containermanager.logaggregation.LogAggregationService

All Implemented Interfaces:

org.apache.hadoop.yarn.event.EventHandler<LogHandlerEvent>, LogHandler, org.apache.hadoop.yarn.service.Service

public class LogAggregationService
extends org.apache.hadoop.yarn.service.AbstractService
implements LogHandler

Nested Class Summary

Nested classes/interfaces inherited from interface org.apache.hadoop.yarn.service.Service

org.apache.hadoop.yarn.service.Service.STATE

Constructor Summary

Constructors

Constructor and Description
LogAggregationService(org.apache.hadoop.yarn.event.Dispatcher dispatcher, Context context, DeletionService deletionService, LocalDirsHandlerService dirsHandler)

Method Summary

Methods

Modifier and Type	Method and Description
protected void	closeFileSystems(org.apache.hadoop.security.UserGroupInformation userUgi)
protected void	createAppDir(String user, org.apache.hadoop.yarn.api.records.ApplicationId appId, org.apache.hadoop.security.UserGroupInformation userUgi)
protected org.apache.hadoop.fs.FileSystem	getFileSystem(org.apache.hadoop.conf.Configuration conf)
void	handle(LogHandlerEvent event)
void	init(org.apache.hadoop.conf.Configuration conf)
protected void	initAppAggregator(org.apache.hadoop.yarn.api.records.ApplicationId appId, String user, org.apache.hadoop.security.Credentials credentials, org.apache.hadoop.yarn.logaggregation.ContainerLogsRetentionPolicy logRetentionPolicy, Map<org.apache.hadoop.yarn.api.records.ApplicationAccessType,String> appAcls)
void	start()
void	stop()

Methods inherited from class org.apache.hadoop.yarn.service.AbstractService

getConfig, getName, getServiceState, getStartTime, register, unregister

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

LogAggregationService

public LogAggregationService(org.apache.hadoop.yarn.event.Dispatcher dispatcher,
                     Context context,
                     DeletionService deletionService,
                     LocalDirsHandlerService dirsHandler)

Method Detail

init

public void init(org.apache.hadoop.conf.Configuration conf)

Specified by:

init in interface org.apache.hadoop.yarn.service.Service

Overrides:

init in class org.apache.hadoop.yarn.service.AbstractService

start

public void start()

Specified by:

start in interface org.apache.hadoop.yarn.service.Service

Overrides:

start in class org.apache.hadoop.yarn.service.AbstractService

stop

public void stop()

Specified by:

stop in interface org.apache.hadoop.yarn.service.Service

Overrides:

stop in class org.apache.hadoop.yarn.service.AbstractService

getFileSystem

protected org.apache.hadoop.fs.FileSystem getFileSystem(org.apache.hadoop.conf.Configuration conf)
                                                 throws IOException

Throws:

IOException

createAppDir

protected void createAppDir(String user,
                org.apache.hadoop.yarn.api.records.ApplicationId appId,
                org.apache.hadoop.security.UserGroupInformation userUgi)

initAppAggregator

protected void initAppAggregator(org.apache.hadoop.yarn.api.records.ApplicationId appId,
                     String user,
                     org.apache.hadoop.security.Credentials credentials,
                     org.apache.hadoop.yarn.logaggregation.ContainerLogsRetentionPolicy logRetentionPolicy,
                     Map<org.apache.hadoop.yarn.api.records.ApplicationAccessType,String> appAcls)

closeFileSystems

protected void closeFileSystems(org.apache.hadoop.security.UserGroupInformation userUgi)

handle

public void handle(LogHandlerEvent event)

Specified by:

handle in interface org.apache.hadoop.yarn.event.EventHandler<LogHandlerEvent>

Specified by:

handle in interface LogHandler