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https://issues.apache.org/jira/browse/YARN-5315?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15365256#comment-15365256
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sandflee commented on YARN-5315:
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bq. shutdownNow() still does not wait for actively executing tasks to
terminate. You should make an explicit awaitTermination() call to do that.
awaitTerminatioin will block until all tasks terminate, this may delay the stop
process of other service, should we do that?
bq. We should also call "super.serviceStop()" to complete the life-cycle, can
you make that change too?
will do
> 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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