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https://issues.apache.org/jira/browse/MAPREDUCE-4707?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Karthik Kambatla updated MAPREDUCE-4707:
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Status: Open (was: Patch Available)
> Add a comment to explain why FairScheduler#dump()'s body is synchronized on
> eventLog
> ------------------------------------------------------------------------------------
>
> Key: MAPREDUCE-4707
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-4707
> Project: Hadoop Map/Reduce
> Issue Type: Improvement
> Components: contrib/fair-share
> Affects Versions: 1.0.3
> Reporter: Karthik Kambatla
> Assignee: Karthik Kambatla
> Priority: Trivial
> Attachments: MR-4707.patch, MR-4707.patch
>
>
> FairScheduler#dump() is a synchronized method. In addition to that, the
> entire method body is in a synchronized block on eventLog. However, there is
> no other portion of the code that tries to acquire a lock on eventLog. So, it
> seems like the second synchronized block is redundant, and can be removed.
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