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Posted to mapreduce-issues@hadoop.apache.org by "Arun C Murthy (JIRA)" <ji...@apache.org> on 2012/10/11 19:49:55 UTC

[jira] [Closed] (MAPREDUCE-4157) ResourceManager should not kill apps that are well behaved

     [ https://issues.apache.org/jira/browse/MAPREDUCE-4157?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Arun C Murthy closed MAPREDUCE-4157.
------------------------------------

    
> ResourceManager should not kill apps that are well behaved
> ----------------------------------------------------------
>
>                 Key: MAPREDUCE-4157
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-4157
>             Project: Hadoop Map/Reduce
>          Issue Type: Improvement
>          Components: mrv2
>    Affects Versions: 2.0.0-alpha
>            Reporter: Jason Lowe
>            Assignee: Jason Lowe
>             Fix For: 3.0.0, 2.0.2-alpha
>
>         Attachments: MAPREDUCE-4157.patch, MAPREDUCE-4157.patch, MAPREDUCE-4157.patch
>
>
> Currently when the ApplicationMaster unregisters with the ResourceManager, the RM kills (via the NMs) all the active containers for an application.  This introduces a race where the AM may be trying to clean up and may not finish before it is killed.  The RM should give the AM a chance to exit cleanly on its own rather than always race with a pending kill on shutdown.

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