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https://issues.apache.org/jira/browse/HADOOP-7292?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13034460#comment-13034460
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Luke Lu commented on HADOOP-7292:
---------------------------------
I was planning to use the latch for other tests as well. The latch will not be
reused because junit creates a new instance of the test object for each test
method: http://martinfowler.com/bliki/JunitNewInstance.html
> Metrics 2 TestSinkQueue is racy
> -------------------------------
>
> Key: HADOOP-7292
> URL: https://issues.apache.org/jira/browse/HADOOP-7292
> Project: Hadoop Common
> Issue Type: Bug
> Components: metrics
> Affects Versions: 0.23.0
> Reporter: Luke Lu
> Assignee: Luke Lu
> Priority: Minor
> Fix For: 0.23.0
>
> Attachments: hadoop-7292-test-race-v1.patch
>
>
> The TestSinkQueue is racy (Thread.yield is not enough to guarantee other
> intended thread getting run), though it's the first time (from HADOOP-7289) I
> saw it manifested here.
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