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https://issues.apache.org/jira/browse/MAPREDUCE-1699?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Krishna Ramachandran updated MAPREDUCE-1699:
--------------------------------------------

    Attachment: mapred-1699-3.patch

Modified per Chris's comments

Removed changes related to CompletedJobStatusStore
Fix logSubmitted - will throw an error if logging fails

Fix for earlier release not for commit in the trunk

> JobHistory shouldn't be disabled for any reason
> -----------------------------------------------
>
>                 Key: MAPREDUCE-1699
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-1699
>             Project: Hadoop Map/Reduce
>          Issue Type: Bug
>          Components: jobtracker
>    Affects Versions: 0.20.2
>            Reporter: Arun C Murthy
>            Assignee: Krishna Ramachandran
>             Fix For: 0.20.3
>
>         Attachments: mapred-1699-1.patch, mapred-1699-2.patch, 
> mapred-1699-3.patch, mapred-1699.patch
>
>
> 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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