org.apache.hadoop.mapred
Class JobHistory.HistoryCleaner

java.lang.Object
  org.apache.hadoop.mapred.JobHistory.HistoryCleaner

All Implemented Interfaces:

Runnable

Enclosing class:

JobHistory

public static class JobHistory.HistoryCleaner
extends Object
implements Runnable

Delete history files older than one month. Update master index and remove all jobs older than one month. Also if a job tracker has no jobs in last one month remove reference to the job tracker.

Constructor Summary

JobHistory.HistoryCleaner()

Method Summary

void	clean(long now)
void	run() Cleans up history data.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

JobHistory.HistoryCleaner

public JobHistory.HistoryCleaner()

Method Detail

run

public void run()

Cleans up history data.

Specified by:

run in interface Runnable

clean

public void clean(long now)