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https://issues.apache.org/jira/browse/YARN-3194?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14320532#comment-14320532
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Jian He commented on YARN-3194:
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[~rohithsharma], the completed containers are also notified to applications. 
mind clarify more how the application is hung ?

> After NM restart,completed containers are not released which are sent during 
> NM registration
> --------------------------------------------------------------------------------------------
>
>                 Key: YARN-3194
>                 URL: https://issues.apache.org/jira/browse/YARN-3194
>             Project: Hadoop YARN
>          Issue Type: Bug
>          Components: resourcemanager
>    Affects Versions: 2.6.0
>         Environment: NM restart is enabled
>            Reporter: Rohith
>            Assignee: Rohith
>            Priority: Blocker
>
> On NM restart ,NM sends all the outstanding NMContainerStatus to RM. But RM 
> process only ContainerState.RUNNING. If container is completed when NM was 
> down then those containers resources wont be release which result in 
> applications to hang.



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