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https://issues.apache.org/jira/browse/MAPREDUCE-2966?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13102767#comment-13102767
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Vinod Kumar Vavilapalli commented on MAPREDUCE-2966:
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I am running into some cases where fix for this bug is really useful. This
morphs a hard-to-debug stalemate in a job with a simpler crashed process.
Abhijit, are you interested in providing a patch?
> Add ShutDown hooks for MRV2 processes
> -------------------------------------
>
> Key: MAPREDUCE-2966
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-2966
> Project: Hadoop Map/Reduce
> Issue Type: Improvement
> Components: applicationmaster, jobhistoryserver, nodemanager,
> resourcemanager
> Affects Versions: 0.23.0, 0.24.0
> Reporter: Abhijit Suresh Shingate
> Assignee: Abhijit Suresh Shingate
> Original Estimate: 3h
> Remaining Estimate: 3h
>
> NodeManager registers a shudown hook in case of JVM exit.
> Similar way, all other processes RM, HistoryServer, MRAppMaster should also
> handle the shutdown gracefully in case of JVM exit.
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