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Posted to mapreduce-dev@hadoop.apache.org by "Amar Kamat (JIRA)" <ji...@apache.org> on 2010/03/14 18:05:27 UTC

[jira] Created: (MAPREDUCE-1598) Wrongly configured 'hadoop.job.history.user.location' can cause jobs to be pinned in JobTracker's memory forever

Wrongly configured 'hadoop.job.history.user.location' can cause jobs to be pinned in JobTracker's memory forever
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                 Key: MAPREDUCE-1598
                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-1598
             Project: Hadoop Map/Reduce
          Issue Type: Bug
          Components: jobtracker
    Affects Versions: 0.21.0
            Reporter: Amar Kamat
            Priority: Blocker


Wrongly configured 'hadoop.job.history.user.location' can disable job-history. Jobs retires when JobHistory notifies the JobTracker after moving the history file to the done folder (i.e mapreduce.jobtracker.jobhistory.completed.location). If the JobHistory gets disabled, JobTracker would not receive any notification and thus jobs will be pinned in JobTracker's memory forever.

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