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From "Owen O'Malley (JIRA)" <j...@apache.org>
Subject [jira] Created: (HADOOP-740) JobTracker does not clean up task entries at job completion
Date Tue, 21 Nov 2006 21:31:04 GMT
JobTracker does not clean up task entries at job completion
-----------------------------------------------------------

                 Key: HADOOP-740
                 URL: http://issues.apache.org/jira/browse/HADOOP-740
             Project: Hadoop
          Issue Type: Bug
          Components: mapred
    Affects Versions: 0.8.0
            Reporter: Owen O'Malley
         Assigned To: Owen O'Malley


The JobTracker never calls removeTaskEntry on tasks that don't fail. This causes the JobTracker
to use more and more heap space as jobs run. The fix is to:

removeTaskEntry on reduces in completeTask
removeTaskEntry on everything when a job is killed or completes

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