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https://issues.apache.org/jira/browse/HADOOP-5154?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12677017#action_12677017
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Hudson commented on HADOOP-5154:
--------------------------------
Integrated in Hadoop-trunk #766 (See
[http://hudson.zones.apache.org/hudson/job/Hadoop-trunk/766/])
. Fixes a deadlock in the fairshare scheduler. Contributed by Matei Zaharia.
> 4-way deadlock in FairShare scheduler
> -------------------------------------
>
> Key: HADOOP-5154
> URL: https://issues.apache.org/jira/browse/HADOOP-5154
> Project: Hadoop Core
> Issue Type: Bug
> Components: contrib/fair-share
> Reporter: Vinod K V
> Assignee: Matei Zaharia
> Priority: Blocker
> Fix For: 0.19.2, 0.20.0
>
> Attachments: FairSchedulerDeadLock.txt, hadoop-5154-for-19.patch,
> hadoop-5154-v0.patch, hadoop-5154-v1.patch, hadoop-5154-v2.patch,
> hadoop-5154-v3.patch, hadoop-5154-v4.patch, hadoop-5154-v5.patch
>
>
> This happened while trying to change the priority of a job from the scheduler
> servlet.
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