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https://issues.apache.org/jira/browse/MAPREDUCE-2051?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12927223#action_12927223
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Hudson commented on MAPREDUCE-2051:
-----------------------------------
Integrated in Hadoop-Mapreduce-trunk-Commit #525 (See
[https://hudson.apache.org/hudson/job/Hadoop-Mapreduce-trunk-Commit/525/])
MAPREDUCE-2051. Contribute a fair scheduler preemption system test.
Contributed by Todd Lipcon.
> Contribute a fair scheduler preemption system test
> --------------------------------------------------
>
> Key: MAPREDUCE-2051
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-2051
> Project: Hadoop Map/Reduce
> Issue Type: Test
> Components: contrib/fair-share
> Affects Versions: 0.22.0
> Reporter: Todd Lipcon
> Assignee: Todd Lipcon
> Fix For: 0.22.0
>
> Attachments: mapreduce-2051.txt
>
>
> We've seen a number of bugs in the fair share scheduler not caught by its
> unit tests, which are heavily mock-based. This JIRA is to add an
> integration/system/stress test for the fairshare scheduler. This test can
> help identify races and deadlocks, and when run within the jcarder framework
> has identified several potential deadlocks for us that aren't turned up
> running small scale testing.
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