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

Class SystemMetricsPublisher

java.lang.Object

org.apache.hadoop.service.AbstractService

org.apache.hadoop.service.CompositeService

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

All Implemented Interfaces:

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

@InterfaceAudience.Private
 @InterfaceStability.Unstable
public class SystemMetricsPublisher
extends org.apache.hadoop.service.CompositeService

The class that helps RM publish metrics to the timeline server. RM will always invoke the methods of this class regardless the service is enabled or not. If it is disabled, publishing requests will be ignored silently.

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
protected static class	SystemMetricsPublisher.MultiThreadedDispatcher

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 and Description
SystemMetricsPublisher()

Method Summary

Modifier and Type	Method and Description
void	appACLsUpdated(RMApp app, String appViewACLs, long updatedTime)
void	appAttemptFinished(RMAppAttempt appAttempt, RMAppAttemptState appAttemtpState, RMApp app, long finishedTime)
void	appAttemptRegistered(RMAppAttempt appAttempt, long registeredTime)
void	appCreated(RMApp app, long createdTime)
void	appFinished(RMApp app, RMAppState state, long finishedTime)
void	containerCreated(RMContainer container, long createdTime)
void	containerFinished(RMContainer container, long finishedTime)
protected org.apache.hadoop.yarn.event.Dispatcher	createDispatcher(org.apache.hadoop.conf.Configuration conf)
protected void	handleSystemMetricsEvent(SystemMetricsEvent event)
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

Constructor Detail

SystemMetricsPublisher

public SystemMetricsPublisher()

Method Detail

serviceInit

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

Overrides:

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

Throws:

Exception

appCreated

public void appCreated(RMApp app,
                       long createdTime)

appFinished

public void appFinished(RMApp app,
                        RMAppState state,
                        long finishedTime)

appACLsUpdated

public void appACLsUpdated(RMApp app,
                           String appViewACLs,
                           long updatedTime)

appAttemptRegistered

public void appAttemptRegistered(RMAppAttempt appAttempt,
                                 long registeredTime)

appAttemptFinished

public void appAttemptFinished(RMAppAttempt appAttempt,
                               RMAppAttemptState appAttemtpState,
                               RMApp app,
                               long finishedTime)

containerCreated

public void containerCreated(RMContainer container,
                             long createdTime)

containerFinished

public void containerFinished(RMContainer container,
                              long finishedTime)

createDispatcher

protected org.apache.hadoop.yarn.event.Dispatcher createDispatcher(org.apache.hadoop.conf.Configuration conf)

handleSystemMetricsEvent

protected void handleSystemMetricsEvent(SystemMetricsEvent event)