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https://issues.apache.org/jira/browse/YARN-5491?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15420470#comment-15420470
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Varun Saxena commented on YARN-5491:
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Changes look fine to me. IMO, draining events is not really required for this
test to pass. Extra schedule after first container expiry should suffice.
Basically issue will come, if the containers which have been expired in the
test(i.e. containers ending in 10 and 11) have both been assigned on the same
node. And the other node has no resources left (due to other container
allocations).
One schedule will mean only one of the stuck containers is scheduled (as its
off switch).
So calling schedule after each expiry should fix the issue.
Will commit it later today.
> Random Failure TestCapacityScheduler#testCSQueueBlocked
> -------------------------------------------------------
>
> Key: YARN-5491
> URL: https://issues.apache.org/jira/browse/YARN-5491
> Project: Hadoop YARN
> Issue Type: Bug
> Components: test
> Reporter: Bibin A Chundatt
> Assignee: Bibin A Chundatt
> Attachments: Failure-TestCapacityScheduler-output.txt,
> Sucess-TestCapacityScheduler-output.txt, YARN-5491.0001.patch
>
>
> Random testcase failure in trunk for
> org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity.TestCapacityScheduler.testCSQueueBlocked
> https://builds.apache.org/job/PreCommit-YARN-Build/12694/testReport/org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity/TestCapacityScheduler/testCSQueueBlocked/
> {noformat}
> java.lang.AssertionError: B Used Resource should be 12 GB expected:<12288>
> but was:<11264>
> 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.capacity.TestCapacityScheduler.testCSQueueBlocked(TestCapacityScheduler.java:3667)
> {noformat}
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