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https://issues.apache.org/jira/browse/MAPREDUCE-6617?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Kousuke Saruta updated MAPREDUCE-6617:
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Status: Patch Available (was: Open)
> flushTimer in JobHistoryEventHandler should purge canceled flushTimerTask
> -------------------------------------------------------------------------
>
> Key: MAPREDUCE-6617
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-6617
> Project: Hadoop Map/Reduce
> Issue Type: Bug
> Components: mrv2
> Affects Versions: 3.0.0
> Reporter: Kousuke Saruta
> Assignee: Kousuke Saruta
> Attachments: MAPREDUCE-6617.0.patch
>
>
> In JobHistoryEventHandler, flushTask is not purged after it's canceled so GC
> never sweep flushTask.
> It can cause memory leak.
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