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

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

All Implemented Interfaces:

org.apache.hadoop.mapreduce.v2.app.AppContext, HistoryContext, org.apache.hadoop.yarn.service.Service

public class JobHistory
extends org.apache.hadoop.yarn.service.AbstractService
implements HistoryContext

Nested Class Summary

class

JobHistory.HistoryCleaner

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

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

Field Summary

static Pattern	CONF_FILENAME_REGEX
static String	OLD_SUFFIX

Constructor Summary

JobHistory()

Method Summary

Map<org.apache.hadoop.mapreduce.v2.api.records.JobId,org.apache.hadoop.mapreduce.v2.app.job.Job>	getAllJobs()
Map<org.apache.hadoop.mapreduce.v2.api.records.JobId,org.apache.hadoop.mapreduce.v2.app.job.Job>	getAllJobs(org.apache.hadoop.yarn.api.records.ApplicationId appID)
org.apache.hadoop.yarn.api.records.ApplicationAttemptId	getApplicationAttemptId()
org.apache.hadoop.yarn.api.records.ApplicationId	getApplicationID()
String	getApplicationName()
org.apache.hadoop.yarn.Clock	getClock()
org.apache.hadoop.yarn.event.EventHandler	getEventHandler()
org.apache.hadoop.mapreduce.v2.app.job.Job	getJob(org.apache.hadoop.mapreduce.v2.api.records.JobId jobId)
CharSequence	getUser()
void	init(org.apache.hadoop.conf.Configuration conf) Writes out files to the path .....${DONE_DIR}/VERSION_STRING/YYYY/MM/DD/HH/SERIAL_NUM/jh{index_entries}.jhist
void	start()
void	stop()

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

Methods inherited from interface org.apache.hadoop.mapreduce.v2.app.AppContext

getStartTime

Field Detail

CONF_FILENAME_REGEX

public static final Pattern CONF_FILENAME_REGEX

OLD_SUFFIX

public static final String OLD_SUFFIX

See Also:

Constant Field Values

Constructor Detail

JobHistory

public JobHistory()

Method Detail

init

public void init(org.apache.hadoop.conf.Configuration conf)
          throws org.apache.hadoop.yarn.YarnException

Writes out files to the path .....${DONE_DIR}/VERSION_STRING/YYYY/MM/DD/HH/SERIAL_NUM/jh{index_entries}.jhist

Specified by:

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

Overrides:

init in class org.apache.hadoop.yarn.service.AbstractService

Throws:

org.apache.hadoop.yarn.YarnException

start

public void start()

Specified by:

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

Overrides:

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

stop

public void stop()

Specified by:

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

Overrides:

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

getApplicationName

public String getApplicationName()

Specified by:

getApplicationName in interface org.apache.hadoop.mapreduce.v2.app.AppContext

getJob

public org.apache.hadoop.mapreduce.v2.app.job.Job getJob(org.apache.hadoop.mapreduce.v2.api.records.JobId jobId)

Specified by:

getJob in interface org.apache.hadoop.mapreduce.v2.app.AppContext

getAllJobs

public Map<org.apache.hadoop.mapreduce.v2.api.records.JobId,org.apache.hadoop.mapreduce.v2.app.job.Job> getAllJobs(org.apache.hadoop.yarn.api.records.ApplicationId appID)

Specified by:

getAllJobs in interface HistoryContext

getAllJobs

public Map<org.apache.hadoop.mapreduce.v2.api.records.JobId,org.apache.hadoop.mapreduce.v2.app.job.Job> getAllJobs()

Specified by:

getAllJobs in interface org.apache.hadoop.mapreduce.v2.app.AppContext

getApplicationAttemptId

public org.apache.hadoop.yarn.api.records.ApplicationAttemptId getApplicationAttemptId()

Specified by:

getApplicationAttemptId in interface org.apache.hadoop.mapreduce.v2.app.AppContext

getApplicationID

public org.apache.hadoop.yarn.api.records.ApplicationId getApplicationID()

Specified by:

getApplicationID in interface org.apache.hadoop.mapreduce.v2.app.AppContext

getEventHandler

public org.apache.hadoop.yarn.event.EventHandler getEventHandler()

Specified by:

getEventHandler in interface org.apache.hadoop.mapreduce.v2.app.AppContext

getUser

public CharSequence getUser()

Specified by:

getUser in interface org.apache.hadoop.mapreduce.v2.app.AppContext

getClock

public org.apache.hadoop.yarn.Clock getClock()

Specified by:

getClock in interface org.apache.hadoop.mapreduce.v2.app.AppContext