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From "Vinod Kumar Vavilapalli (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (MAPREDUCE-2949) NodeManager in a inconsistent state if a service startup fails.
Date Sun, 11 Sep 2011 12:13:08 GMT

    [ https://issues.apache.org/jira/browse/MAPREDUCE-2949?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13102265#comment-13102265

Vinod Kumar Vavilapalli commented on MAPREDUCE-2949:

bq. Can we perform these tasks at the startup of the service rather than at initialization.
Yes, sure. Can you provide a patch, thanks!

> NodeManager in a inconsistent state if a service startup fails.
> ---------------------------------------------------------------
>                 Key: MAPREDUCE-2949
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-2949
>             Project: Hadoop Map/Reduce
>          Issue Type: Bug
>          Components: mrv2, nodemanager
>    Affects Versions: 0.24.0
>            Reporter: Ravi Teja Ch N V
>            Assignee: Ravi Teja Ch N V
>         Attachments: Threaddump.txt
> When a service startup fails at the Nodemanager, the Nodemanager JVM doesnot exit as
the following threads are still running.
> Daemon Thread [Timer for 'NodeManager' metrics system] (Running)	
> Thread [pool-1-thread-1] (Running)	
> Thread [Thread-11] (Running)	
> Thread [DestroyJavaVM] (Running).
> As a result, the NodeManager keeps running even though no services are started.

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