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From "Daniel Templeton (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-6747) TestFSAppStarvation.testPreemptionEnable fails intermittently
Date Wed, 18 Oct 2017 21:24:01 GMT

    [ https://issues.apache.org/jira/browse/YARN-6747?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16210074#comment-16210074
] 

Daniel Templeton commented on YARN-6747:
----------------------------------------

Not a big deal, but {{testApplicationLifetimeMonitorWorker()}} would more usually be named
{{doTestApplicationLifetimeMonitor()}} or {{testApplicationLifetimeMonitorInternal()}}.

"Each app is marked as starved exactly once" seems unclear.  How about, "Expected each starved
app to be marked as starved exactly once during each of the two starvation checks, but the
number of starved apps registered is not twice the number of starved apps." :)

> TestFSAppStarvation.testPreemptionEnable fails intermittently
> -------------------------------------------------------------
>
>                 Key: YARN-6747
>                 URL: https://issues.apache.org/jira/browse/YARN-6747
>             Project: Hadoop YARN
>          Issue Type: Bug
>            Reporter: Sunil G
>            Assignee: Miklos Szegedi
>         Attachments: YARN-6747.000.patch
>
>
> *Error Message*
> Apps re-added even before starvation delay passed expected:<4> but was:<3>
> *Stacktrace*
> java.lang.AssertionError: Apps re-added even before starvation delay passed expected:<4>
but was:<3>
> 	at org.junit.Assert.fail(Assert.java:88)
> 	at org.junit.Assert.failNotEquals(Assert.java:743)
> 	at org.junit.Assert.assertEquals(Assert.java:118)
> 	at org.junit.Assert.assertEquals(Assert.java:555)
> 	at org.apache.hadoop.yarn.server.resourcemanager.scheduler.fair.TestFSAppStarvation.testPreemptionEnabled(TestFSAppStarvation.java:117)
> {code}



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