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https://issues.apache.org/jira/browse/YARN-2921?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14312543#comment-14312543
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Tsuyoshi OZAWA commented on YARN-2921:
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The test failure looks not related to my patch. [~kasha], could you take a
look? This patch deals with "tests can get too slow" problem by shortening
polling period. This value looks minimum value of sleep to success the tests,
though I haven't inspected the reasons yet.
{quote}
e.g. App moving to RUNNING state when we are waiting for it to get ACCEPTED.
{quote}
I also found that it is a bit challenging to do this automatically - maybe
Graph class is useful to know all transition, but I haven't done this not yet.
> MockRM#waitForState methods can be too slow and flaky
> -----------------------------------------------------
>
> Key: YARN-2921
> URL: https://issues.apache.org/jira/browse/YARN-2921
> Project: Hadoop YARN
> Issue Type: Improvement
> Components: test
> Affects Versions: 2.6.0
> Reporter: Karthik Kambatla
> Assignee: Tsuyoshi OZAWA
> Attachments: YARN-2921.001.patch, YARN-2921.002.patch,
> YARN-2921.003.patch, YARN-2921.004.patch
>
>
> MockRM#waitForState methods currently sleep for too long (2 seconds and 1
> second). This leads to slow tests and sometimes failures if the
> App/AppAttempt moves to another state.
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