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https://issues.apache.org/jira/browse/MAPREDUCE-5652?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Jason Lowe updated MAPREDUCE-5652:
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Attachment: MAPREDUCE-5652-v2.patch
Oops, I missed the new proto file in the previous patch. I also fixed a bug in
the unit test where it wasn't properly emulating a restart since the
ShuffleHandler uses static members to track jobs.
> ShuffleHandler should handle NM restarts
> ----------------------------------------
>
> Key: MAPREDUCE-5652
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-5652
> Project: Hadoop Map/Reduce
> Issue Type: Bug
> Affects Versions: 2.2.0
> Reporter: Karthik Kambatla
> Assignee: Jason Lowe
> Labels: shuffle
> Attachments: MAPREDUCE-5652-v2.patch, MAPREDUCE-5652.patch
>
>
> ShuffleHandler should work across NM restarts and not require re-running
> map-tasks. On NM restart, the map outputs are cleaned up requiring
> re-execution of map tasks and should be avoided.
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