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https://issues.apache.org/jira/browse/MAPREDUCE-4488?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13445417#comment-13445417
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Karthik Kambatla commented on MAPREDUCE-4488:
---------------------------------------------
On examining the code, it appears safe to modify
{{JobTracker#getClusterStatus()}} to non-synchronized. All the statements in
the method are guarded by a {code}synchronized (taskTracker) {} {code}
> Port MAPREDUCE-463 (The job setup and cleanup tasks should be optional) to
> branch-1
> -----------------------------------------------------------------------------------
>
> Key: MAPREDUCE-4488
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-4488
> Project: Hadoop Map/Reduce
> Issue Type: New Feature
> Components: mrv1, performance
> Affects Versions: 1.0.3
> Reporter: Tom White
> Assignee: Tom White
> Attachments: MAPREDUCE-4488.patch
>
>
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