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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