Package org.apache.hadoop.yarn.server.timelineservice.collector

Class AppLevelTimelineCollector

java.lang.Object

org.apache.hadoop.service.AbstractService

org.apache.hadoop.service.CompositeService

org.apache.hadoop.yarn.server.timelineservice.collector.TimelineCollector

org.apache.hadoop.yarn.server.timelineservice.collector.AppLevelTimelineCollector

All Implemented Interfaces:

Closeable, AutoCloseable, org.apache.hadoop.service.Service

Direct Known Subclasses:

AppLevelTimelineCollectorWithAgg

@Private
@Unstable
public class AppLevelTimelineCollector
extends TimelineCollector

Service that handles writes to the timeline service and writes them to the backing storage for a given YARN application. App-related lifecycle management is handled by this service.

Nested Class Summary

Nested classes/interfaces inherited from class org.apache.hadoop.yarn.server.timelineservice.collector.TimelineCollector

TimelineCollector.AggregationStatusTable

Nested classes/interfaces inherited from class org.apache.hadoop.service.CompositeService

org.apache.hadoop.service.CompositeService.CompositeServiceShutdownHook

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

org.apache.hadoop.service.Service.STATE

Field Summary

Fields inherited from class org.apache.hadoop.yarn.server.timelineservice.collector.TimelineCollector

SEPARATOR

Fields inherited from class org.apache.hadoop.service.CompositeService

STOP_ONLY_STARTED_SERVICES

Constructor Summary

Constructors

Constructor	Description
AppLevelTimelineCollector(org.apache.hadoop.yarn.api.records.ApplicationId appId)
AppLevelTimelineCollector(org.apache.hadoop.yarn.api.records.ApplicationId appId, String user)

Method Summary

Modifier and Type	Method	Description
String	getAppUser()
org.apache.hadoop.security.UserGroupInformation	getCurrentUser()
org.apache.hadoop.security.token.Token<org.apache.hadoop.yarn.security.client.TimelineDelegationTokenIdentifier>	getDelegationTokenForApp()
TimelineCollectorContext	getTimelineEntityContext()
protected void	serviceInit(org.apache.hadoop.conf.Configuration conf)
protected void	serviceStart()
protected void	serviceStop()

Methods inherited from class org.apache.hadoop.yarn.server.timelineservice.collector.TimelineCollector

aggregateEntities, getAggregationGroups, getEntityTypesSkipAggregation, isReadyToAggregate, putDomain, putEntities, putEntitiesAsync, setReadyToAggregate, setWriter

Methods inherited from class org.apache.hadoop.service.CompositeService

addIfService, addService, getServices, removeService

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

close, getBlockers, getConfig, getFailureCause, getFailureState, getLifecycleHistory, getName, getServiceState, getStartTime, init, isInState, noteFailure, putBlocker, registerGlobalListener, registerServiceListener, removeBlocker, setConfig, start, stop, toString, unregisterGlobalListener, unregisterServiceListener, waitForServiceToStop

Methods inherited from class java.lang.Object

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

Constructor Details

AppLevelTimelineCollector

public AppLevelTimelineCollector(org.apache.hadoop.yarn.api.records.ApplicationId appId)

AppLevelTimelineCollector

public AppLevelTimelineCollector(org.apache.hadoop.yarn.api.records.ApplicationId appId,
 String user)

Method Details

getCurrentUser

public org.apache.hadoop.security.UserGroupInformation getCurrentUser()

getAppUser

public String getAppUser()

getDelegationTokenForApp

@VisibleForTesting
public org.apache.hadoop.security.token.Token<org.apache.hadoop.yarn.security.client.TimelineDelegationTokenIdentifier> getDelegationTokenForApp()

serviceInit

protected void serviceInit(org.apache.hadoop.conf.Configuration conf)
                    throws Exception

Overrides:

serviceInit in class TimelineCollector

Throws:

Exception

serviceStart

protected void serviceStart()
                     throws Exception

Overrides:

serviceStart in class TimelineCollector

Throws:

Exception

serviceStop

protected void serviceStop()
                    throws Exception

Overrides:

serviceStop in class TimelineCollector

Throws:

Exception

getTimelineEntityContext

public TimelineCollectorContext getTimelineEntityContext()

Specified by:

getTimelineEntityContext in class TimelineCollector