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https://issues.apache.org/jira/browse/MAPREDUCE-1316?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Amar Kamat updated MAPREDUCE-1316:
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Priority: Blocker (was: Major)
> JobTracker holds stale references to retired jobs via speculated tips
> ----------------------------------------------------------------------
>
> Key: MAPREDUCE-1316
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-1316
> Project: Hadoop Map/Reduce
> Issue Type: Bug
> Components: jobtracker
> Reporter: Amar Kamat
> Assignee: Amar Kamat
> Priority: Blocker
>
> JobTracker fails to remove speculative tasks' mapping from _taskToTIPMap_ if
> the job finishes and retires before the tracker (running the speculative
> tasks) reports back. In such cases a stale reference is held to
> TaskInProgress (and thus JobInProgress) long after the job is gone leading to
> memory leak.
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