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From "Todd Lipcon (JIRA)" <j...@apache.org>
Subject [jira] Created: (MAPREDUCE-2180) Add coverage of fair scheduler servlet to system test
Date Tue, 09 Nov 2010 22:28:25 GMT
Add coverage of fair scheduler servlet to system test
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                 Key: MAPREDUCE-2180
                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-2180
             Project: Hadoop Map/Reduce
          Issue Type: Test
          Components: contrib/fair-share
    Affects Versions: 0.22.0
            Reporter: Todd Lipcon
            Assignee: Todd Lipcon
            Priority: Minor


MAPREDUCE-2051 added a system test for the fair scheduler which starts a minicluster and runs
a couple jobs with preemption on. I recently found a deadlock in a previous version of the
scheduler that was due to lock inversion between the scheduler servlet and some JT internals.
I'd like to modify the existing system test to also hit the /scheduler servlet, allowing jcarder
to detect such lock inversions in the future.

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