JobHistory shouldn't be disabled for any reason
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                 Key: MAPREDUCE-1699
                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-1699
             Project: Hadoop Map/Reduce
          Issue Type: Bug
          Components: jobtracker
            Reporter: Arun C Murthy
             Fix For: 0.22.0


Recently we have had issues with JobTracker silently disabling job-history and 
starting to keep all completed jobs in memory. This leads to OOM on the 
JobTracker. We should never do this.

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