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https://issues.apache.org/jira/browse/YARN-5315?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15364888#comment-15364888
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Vinod Kumar Vavilapalli commented on YARN-5315:
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shutdownNow() still does not wait for actively executing tasks to terminate.
You should make an explicit awaitTermination() call to do that.
We should also call "super.serviceStop()" to complete the life-cycle, can you
make that change too?
> Standby RM keep sending start am container request to NM
> --------------------------------------------------------
>
> Key: YARN-5315
> URL: https://issues.apache.org/jira/browse/YARN-5315
> Project: Hadoop YARN
> Issue Type: Bug
> Components: resourcemanager
> Reporter: sandflee
> Assignee: sandflee
> Attachments: YARN-5315.01.patch
>
>
> 1, network partitions, RM couldn't connect to NMs and start AM request pending
> 2, RM becomes standby, int ApplicatioinMasterLauncher#serviceStop,
> launcherPool are shutdown. the launching thread are interrupted, but start AM
> request may still left in Queue
> 3,network reconnect, standby RM sends start AM request to NM.
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