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

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

All Implemented Interfaces:

org.apache.hadoop.yarn.service.Service

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

org.apache.hadoop.yarn.service.CompositeService.CompositeServiceShutdownHook

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

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

Field Summary

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

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()
void	init(org.apache.hadoop.conf.Configuration conf)
static void	main(String[] args)
void	start()
void	stop()

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

addService, getServices, removeService

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

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

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.CompositeService

createJHSSecretManager

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

doSecureLogin

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

Throws:

IOException

start

public void start()

Specified by:

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

Overrides:

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

stop

public void stop()

Specified by:

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

Overrides:

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

getClientService

@InterfaceAudience.Private
public HistoryClientService getClientService()

main

public static void main(String[] args)