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From "Steve Loughran (Created) (JIRA)" <j...@apache.org>
Subject [jira] [Created] (MAPREDUCE-4022) Make Yarn Node Manager services robust against shutdown
Date Fri, 16 Mar 2012 15:31:37 GMT
Make Yarn Node Manager services robust against shutdown
-------------------------------------------------------

                 Key: MAPREDUCE-4022
                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-4022
             Project: Hadoop Map/Reduce
          Issue Type: Sub-task
          Components: mrv2
    Affects Versions: 0.24.0, 0.23.2
            Reporter: Steve Loughran
            Assignee: Steve Loughran
            Priority: Minor


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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