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https://issues.apache.org/jira/browse/MAPREDUCE-2051?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12925213#action_12925213
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Todd Lipcon commented on MAPREDUCE-2051:
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[exec] +1 overall.
[exec]
[exec] +1 @author. The patch does not contain any @author tags.
[exec]
[exec] +1 tests included. The patch appears to include 2 new or
modified tests.
[exec]
[exec] +1 javadoc. The javadoc tool did not generate any warning
messages.
[exec]
[exec] +1 javac. The applied patch does not increase the total number
of javac compiler warnings.
[exec]
[exec] +1 findbugs. The patch does not introduce any new Findbugs
warnings.
[exec]
[exec] +1 release audit. The applied patch does not increase the
total number of release audit warnings.
[exec]
[exec] +1 system tests framework. The patch passed system tests
framework compile.
> 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
> 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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