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https://issues.apache.org/jira/browse/MAPREDUCE-6771?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Haibo Chen updated MAPREDUCE-6771:
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Status: Patch Available (was: Open)
> Diagnostics information can be lost in .jhist if task containers are killed
> by Node Manager.
> --------------------------------------------------------------------------------------------
>
> Key: MAPREDUCE-6771
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-6771
> Project: Hadoop Map/Reduce
> Issue Type: Bug
> Components: mrv2
> Affects Versions: 2.7.3
> Reporter: Haibo Chen
> Assignee: Haibo Chen
> Attachments: mapreduce6771.001.patch
>
>
> Task containers can go over their resource limit, and killed by Node Manager.
> Then MR AM gets notified of the container status and diagnostics information
> through its heartbeat with RM. However, it is possible that the diagnostics
> information never gets into .jhist file, so when the job completes, the
> diagnostics information associated with the failed task attempts is empty.
> This makes it hard for users to root cause job failures that are often caused
> by memory leak.
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