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From "Yufei Gu (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-6249) TestFairSchedulerPreemption fails inconsistently.
Date Fri, 19 May 2017 22:30:04 GMT

    [ https://issues.apache.org/jira/browse/YARN-6249?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16018127#comment-16018127
] 

Yufei Gu commented on YARN-6249:
--------------------------------

Committed to trunk and branch-2.  Thanks [~Tao Jie] for woking on this. Thanks [~miklos.szegedi@cloudera.com]
for the review.
The not-apply issue is because the Hadoop QA kicked in after I committed into trunk. Seems
like a yetus bug. Ignore it here.





> TestFairSchedulerPreemption fails inconsistently.
> -------------------------------------------------
>
>                 Key: YARN-6249
>                 URL: https://issues.apache.org/jira/browse/YARN-6249
>             Project: Hadoop YARN
>          Issue Type: Bug
>          Components: fairscheduler, resourcemanager
>    Affects Versions: 2.9.0
>            Reporter: Sean Po
>            Assignee: Tao Jie
>             Fix For: 2.9.0, 3.0.0-alpha3
>
>         Attachments: YARN-6249.001.patch, YARN-6249.002.patch
>
>
> Tests in TestFairSchedulerPreemption.java will inconsistently fail on trunk. An example
stack trace: 
> {noformat}
> Tests run: 24, Failures: 1, Errors: 0, Skipped: 0, Time elapsed: 24.879 sec <<<
FAILURE! - in org.apache.hadoop.yarn.server.resourcemanager.scheduler.fair.TestFairSchedulerPreemption
> testPreemptionSelectNonAMContainer[MinSharePreemptionWithDRF](org.apache.hadoop.yarn.server.resourcemanager.scheduler.fair.TestFairSchedulerPreemption)
 Time elapsed: 10.475 sec  <<< FAILURE!
> java.lang.AssertionError: Incorrect number of containers on the greedy app expected:<4>
but was:<8>
> 	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.TestFairSchedulerPreemption.verifyPreemption(TestFairSchedulerPreemption.java:288)
> 	at org.apache.hadoop.yarn.server.resourcemanager.scheduler.fair.TestFairSchedulerPreemption.testPreemptionSelectNonAMContainer(TestFairSchedulerPreemption.java:363)
> {noformat}



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