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https://issues.apache.org/jira/browse/MAPREDUCE-3746?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13208502#comment-13208502
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Jason Lowe commented on MAPREDUCE-3746:
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Ramya, could you reproduce the issue and grab the jstack output on one of the
hung NMs? I'm guessing one or more threads are not shutting down properly and
preventing the process from exiting. The jstack output could help verify this
and show which subsystem owns the threads.
> Nodemanagers are not automatically shut down after decommissioning
> ------------------------------------------------------------------
>
> Key: MAPREDUCE-3746
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-3746
> Project: Hadoop Map/Reduce
> Issue Type: Bug
> Components: mrv2
> Affects Versions: 0.23.1
> Reporter: Ramya Sunil
> Assignee: Devaraj K
> Priority: Critical
> Fix For: 0.23.1
>
>
> Nodemanagers are not automatically shutdown after decommissioning.
> MAPREDUCE-2775 does not seem to fix the issue.
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