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Posted to mapreduce-issues@hadoop.apache.org by "Karthik Kambatla (JIRA)" <ji...@apache.org> on 2014/01/08 19:30:53 UTC

[jira] [Assigned] (MAPREDUCE-5652) ShuffleHandler should handle NM restarts

     [ https://issues.apache.org/jira/browse/MAPREDUCE-5652?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Karthik Kambatla reassigned MAPREDUCE-5652:
-------------------------------------------

    Assignee: Karthik Kambatla

> 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: Karthik Kambatla
>              Labels: shuffle
>
> 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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