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From "Allen Wittenauer (JIRA)" <j...@apache.org>
Subject [jira] [Resolved] (MAPREDUCE-2080) Reducer JVM process hangs
Date Thu, 31 Jul 2014 00:01:45 GMT

     [ https://issues.apache.org/jira/browse/MAPREDUCE-2080?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Allen Wittenauer resolved MAPREDUCE-2080.
-----------------------------------------

    Resolution: Fixed

Likely stale by now.

> Reducer JVM process hangs
> -------------------------
>
>                 Key: MAPREDUCE-2080
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-2080
>             Project: Hadoop Map/Reduce
>          Issue Type: Bug
>          Components: tasktracker
>    Affects Versions: 0.20.2
>            Reporter: Ted Yu
>         Attachments: Child-not-exiting.stack
>
>
> We use cdh3b2
> After reducer took more than 600 seconds to report to tasktracker, tasktracker tried
to kill it.
> However reducer JVM process hung.
> Attaching stack trace of reducer.



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