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https://issues.apache.org/jira/browse/YARN-5032?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15268025#comment-15268025
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Kuhu Shukla commented on YARN-5032:
-----------------------------------
{{rm.drainEvents()}} AFAIK takes care that the events are dispatched from the
dispatcher. That does not necessary entail successful completion which is where
waitForState() helps. The former method call alone would not ensure that all
needed tasks/counters are updated. Appreciate any comments.
> TestContainerResourceUsage#testUsageAfterAMRestartKeepContainers fails
> intermittently
> -------------------------------------------------------------------------------------
>
> Key: YARN-5032
> URL: https://issues.apache.org/jira/browse/YARN-5032
> Project: Hadoop YARN
> Issue Type: Bug
> Reporter: Kuhu Shukla
>
> Similar to YARN-5024, this test fails intermittently showing better passing
> rate through the addition of {{rm.drainEvents()}} after node heartbeats and
> {{finishAMAndVerifyAppState}} in {{amRestartTests()}} but does not fully fix
> the problem.
> CC: [~bibinchundatt] for more insight/comments.
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