Package org.apache.hadoop.yarn.server.resourcemanager.metrics

Class AbstractSystemMetricsPublisher

java.lang.Object

org.apache.hadoop.service.AbstractService

org.apache.hadoop.service.CompositeService

org.apache.hadoop.yarn.server.resourcemanager.metrics.AbstractSystemMetricsPublisher

All Implemented Interfaces:

java.io.Closeable, java.lang.AutoCloseable, org.apache.hadoop.service.Service, SystemMetricsPublisher

Direct Known Subclasses:

TimelineServiceV1Publisher, TimelineServiceV2Publisher

public abstract class AbstractSystemMetricsPublisher
extends org.apache.hadoop.service.CompositeService
implements SystemMetricsPublisher

Abstract implementation of SystemMetricsPublisher which is then extended by metrics publisher implementations depending on timeline service version.

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static class	AbstractSystemMetricsPublisher.MultiThreadedDispatcher	Dispatches ATS related events using multiple threads.
protected static class	AbstractSystemMetricsPublisher.SystemMetricsEventType	EventType which is used while publishing the events.
protected static class	AbstractSystemMetricsPublisher.TimelinePublishEvent	TimelinePublishEvent's hash code should be based on application's id this will ensure all the events related to a particular app goes to particular thread of MultiThreaded dispatcher.

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.service.CompositeService

STOP_ONLY_STARTED_SERVICES

Constructor Summary

Constructors

Constructor	Description
AbstractSystemMetricsPublisher(java.lang.String name)

Method Summary

Modifier and Type	Method	Description
void	appLaunched(RMApp app, long launchTime)
protected org.apache.hadoop.yarn.event.Dispatcher	getDispatcher()
protected void	serviceInit(org.apache.hadoop.conf.Configuration conf)

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

addIfService, addService, getServices, removeService, serviceStart, serviceStop

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

Methods inherited from interface org.apache.hadoop.yarn.server.resourcemanager.metrics.SystemMetricsPublisher

appACLsUpdated, appAttemptFinished, appAttemptRegistered, appCreated, appFinished, appStateUpdated, appUpdated, containerCreated, containerFinished

Constructor Detail

AbstractSystemMetricsPublisher

public AbstractSystemMetricsPublisher(java.lang.String name)

Method Detail

getDispatcher

protected org.apache.hadoop.yarn.event.Dispatcher getDispatcher()

serviceInit

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

Overrides:

serviceInit in class org.apache.hadoop.service.CompositeService

Throws:

java.lang.Exception

appLaunched

public void appLaunched(RMApp app,
                        long launchTime)

Specified by:

appLaunched in interface SystemMetricsPublisher