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https://issues.apache.org/jira/browse/YARN-8011?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Tao Yang updated YARN-8011:
---------------------------
Attachment: YARN-8011.002.patch
> TestOpportunisticContainerAllocatorAMService#testContainerPromoteAndDemoteBeforeContainerStart
> fails sometimes in trunk
> -----------------------------------------------------------------------------------------------------------------------
>
> Key: YARN-8011
> URL: https://issues.apache.org/jira/browse/YARN-8011
> Project: Hadoop YARN
> Issue Type: Bug
> Reporter: Tao Yang
> Assignee: Tao Yang
> Priority: Minor
> Fix For: 3.2.0
>
> Attachments: YARN-8011.001.patch, YARN-8011.002.patch
>
>
> TestOpportunisticContainerAllocatorAMService#testContainerPromoteAndDemoteBeforeContainerStart
> often pass, but the following errors sometimes occur:
> {noformat}
> java.lang.AssertionError:
> Expected :15360
> Actual :14336
> <Click to see difference>
> 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.server.resourcemanager.TestOpportunisticContainerAllocatorAMService.verifyMetrics(TestOpportunisticContainerAllocatorAMService.java:732)
> at
> org.apache.hadoop.yarn.server.resourcemanager.TestOpportunisticContainerAllocatorAMService.testContainerPromoteAndDemoteBeforeContainerStart(TestOpportunisticContainerAllocatorAMService.java:330)
> at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> at
> sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
> at
> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> at java.lang.reflect.Method.invoke(Method.java:498)
> at
> org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:47)
> at
> org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:12)
> at
> org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:44)
> at
> org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:17)
> at
> org.junit.internal.runners.statements.FailOnTimeout$StatementThread.run(FailOnTimeout.java:74)
> {noformat}
>
> This problem is caused by that deducting resource is a little behind the
> assertion. To solve this problem, It can sleep a while before this assertion
> as below.
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