org.apache.hadoop.mapreduce.v2.hs
Class JobHistoryServer

java.lang.Object
  org.apache.hadoop.service.AbstractService
      org.apache.hadoop.service.CompositeService
          org.apache.hadoop.mapreduce.v2.hs.JobHistoryServer

All Implemented Interfaces:

Closeable, org.apache.hadoop.service.Service

public class JobHistoryServer
extends org.apache.hadoop.service.CompositeService

JobHistoryServer is responsible for servicing all job history related requests from client.

Nested Class Summary

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

static long	historyServerTimeStamp
static int	SHUTDOWN_HOOK_PRIORITY Priority of the JobHistoryServer shutdown hook.

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

STOP_ONLY_STARTED_SERVICES

Constructor Summary

JobHistoryServer()

Method Summary

protected JHSDelegationTokenSecretManager	createJHSSecretManager(org.apache.hadoop.conf.Configuration conf)
protected void	doSecureLogin(org.apache.hadoop.conf.Configuration conf)
HistoryClientService	getClientService()
static void	main(String[] args)
protected void	serviceInit(org.apache.hadoop.conf.Configuration conf)
protected void	serviceStart()
protected void	serviceStop()

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

Field Detail

SHUTDOWN_HOOK_PRIORITY

public static final int SHUTDOWN_HOOK_PRIORITY

Priority of the JobHistoryServer shutdown hook.

See Also:

Constant Field Values

historyServerTimeStamp

public static final long historyServerTimeStamp

Constructor Detail

JobHistoryServer

public JobHistoryServer()

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

createJHSSecretManager

protected JHSDelegationTokenSecretManager createJHSSecretManager(org.apache.hadoop.conf.Configuration conf)

doSecureLogin

protected void doSecureLogin(org.apache.hadoop.conf.Configuration conf)
                      throws IOException

Throws:

IOException

serviceStart

protected void serviceStart()
                     throws Exception

Overrides:

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

Throws:

Exception

serviceStop

protected void serviceStop()
                    throws Exception

Overrides:

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

Throws:

Exception

getClientService

@InterfaceAudience.Private
public HistoryClientService getClientService()

main

public static void main(String[] args)