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From "Vinod Kumar Vavilapalli (JIRA)" <j...@apache.org>
Subject [jira] [Moved] (YARN-124) Make Yarn Node Manager services robust against shutdown
Date Sun, 23 Sep 2012 23:58:08 GMT

     [ https://issues.apache.org/jira/browse/YARN-124?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel

Vinod Kumar Vavilapalli moved MAPREDUCE-4022 to YARN-124:

          Component/s:     (was: mrv2)
    Affects Version/s:     (was: 0.23.2)
                           (was: 0.24.0)
                  Key: YARN-124  (was: MAPREDUCE-4022)
              Project: Hadoop YARN  (was: Hadoop Map/Reduce)
> Make Yarn Node Manager services robust against shutdown
> -------------------------------------------------------
>                 Key: YARN-124
>                 URL: https://issues.apache.org/jira/browse/YARN-124
>             Project: Hadoop YARN
>          Issue Type: Sub-task
>            Reporter: Steve Loughran
>            Assignee: Steve Loughran
>            Priority: Minor
>         Attachments: MAPREDUCE-4022.patch
> Add the nodemanager bits of MAPREDUCE-3502 to shut down the Nodemanager services. This
is done by checking for fields being non-null before shutting down/closing etc, and setting
the fields to null afterwards -to be resilient against re-entrancy.
> No tests other than manual review.

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