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From "Amar Kamat (JIRA)" <j...@apache.org>
Subject [jira] Created: (MAPREDUCE-1598) Wrongly configured 'hadoop.job.history.user.location' can cause jobs to be pinned in JobTracker's memory forever
Date Sun, 14 Mar 2010 17:05:27 GMT
Wrongly configured 'hadoop.job.history.user.location' can cause jobs to be pinned in JobTracker's
memory forever
----------------------------------------------------------------------------------------------------------------

                 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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