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https://issues.apache.org/jira/browse/HADOOP-14669?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16109235#comment-16109235
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Daniel Templeton commented on HADOOP-14669:
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I would bet the test code is riddled with clock time. It certainly wouldn't
hurt to take a stab at cleaning that up. Maybe file a newbie JIRA and see if
we can get one of the enthusiastic members of the community will pick it up?
> GenericTestUtils.waitFor should use monotonic time
> --------------------------------------------------
>
> Key: HADOOP-14669
> URL: https://issues.apache.org/jira/browse/HADOOP-14669
> Project: Hadoop Common
> Issue Type: Bug
> Components: test
> Affects Versions: 3.0.0-alpha4
> Reporter: Jason Lowe
> Assignee: Daniel Templeton
> Priority: Trivial
> Labels: newbie
> Fix For: 2.9.0, 3.0.0-beta1
>
> Attachments: HADOOP-14669.001.patch, HADOOP-14669.002.patch,
> HADOOP-14669.003.patch
>
>
> GenericTestUtils.waitFor should be calling Time.monotonicNow rather than
> Time.now. Otherwise if the system clock adjusts during unit testing the
> timeout period could be incorrect.
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