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https://issues.apache.org/jira/browse/YARN-5537?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15436239#comment-15436239
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Varun Saxena commented on YARN-5537:
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bq. and each round we can sleep for few milli seconds till we reach a max limit.
[~sunilg], that is what is done in the patch. We sleep within while loop and
break when the required condition is met.
Or do you mean something else ?
MiniYarnCluster tests typically do not check for internal states for RM and NM
so I am not sure if we can have any generic methods in MiniYarnCluster for
specific conditions.
They are more for E2E flow testing.
> Intermittent test failure of
> TestAMRMClient#testAMRMClientWithContainerResourceChange
> -------------------------------------------------------------------------------------
>
> Key: YARN-5537
> URL: https://issues.apache.org/jira/browse/YARN-5537
> Project: Hadoop YARN
> Issue Type: Bug
> Reporter: Varun Saxena
> Assignee: Bibin A Chundatt
> Attachments: Failure.txt, Failure_allocate.txt, YARN-5537.0001.patch,
> YARN-5537.0002.patch, YARN-5537.0003.patch, YARN-5537.0004.patch
>
>
> Refer to test report
> https://builds.apache.org/job/PreCommit-YARN-Build/12692/testReport/
> {noformat}
> Running org.apache.hadoop.yarn.client.api.impl.TestAMRMClient
> Tests run: 1, Failures: 1, Errors: 0, Skipped: 0, Time elapsed: 12.018 sec
> <<< FAILURE! - in org.apache.hadoop.yarn.client.api.impl.TestAMRMClient
> testAMRMClientWithContainerResourceChange(org.apache.hadoop.yarn.client.api.impl.TestAMRMClient)
> Time elapsed: 1.183 sec <<< FAILURE!
> java.lang.AssertionError: expected:<0> but was:<1>
> 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.junit.Assert.assertEquals(Assert.java:542)
> at
> org.apache.hadoop.yarn.client.api.impl.TestAMRMClient.doContainerResourceChange(TestAMRMClient.java:1019)
> at
> org.apache.hadoop.yarn.client.api.impl.TestAMRMClient.testAMRMClientWithContainerResourceChange(TestAMRMClient.java:909)
> {noformat}
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