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https://issues.apache.org/jira/browse/HADOOP-740?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Arun C Murthy resolved HADOOP-740.
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Resolution: Fixed
Fixed as a part of HADOOP-815.
> JobTracker does not clean up task entries at job completion
> -----------------------------------------------------------
>
> Key: HADOOP-740
> URL: https://issues.apache.org/jira/browse/HADOOP-740
> Project: Hadoop
> Issue Type: Bug
> Components: mapred
> Affects Versions: 0.8.0
> Reporter: Owen O'Malley
> Assigned To: Arun C Murthy
>
> The JobTracker never calls removeTaskEntry on tasks that don't fail. This
> causes the JobTracker to use more and more heap space as jobs run. The fix is
> to:
> removeTaskEntry on reduces in completeTask
> removeTaskEntry on everything when a job is killed or completes
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