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From "Ted Yu (JIRA)" <j...@apache.org>
Subject [jira] Created: (MAPREDUCE-2080) Reducer JVM process hangs
Date Sun, 19 Sep 2010 21:32:33 GMT
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
However reducer JVM process hung.

Attaching stack trace of reducer.

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