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From "Owen O'Malley (JIRA)" <j...@apache.org>
Subject [jira] Created: (HADOOP-787) job tracker should limit the number of completed/failed jobs in RAM
Date Wed, 06 Dec 2006 19:44:21 GMT
job tracker should limit the number of completed/failed jobs in RAM
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                 Key: HADOOP-787
                 URL: http://issues.apache.org/jira/browse/HADOOP-787
             Project: Hadoop
          Issue Type: Bug
          Components: mapred
    Affects Versions: 0.9.0
            Reporter: Owen O'Malley
         Assigned To: Arun C Murthy
             Fix For: 0.10.0


The job tracker currently runs out of memory when a user runs a lot of small jobs back to
back. To bound the amount of RAM that the job tracker consumes recording completed/failed
jobs, I think that the JobTracker should limit the number of "remembered" jobs per a user
to jobtracker.max.remembered.task.per.user (default 100).

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