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https://issues.apache.org/jira/browse/YARN-4051?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15900345#comment-15900345
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sandflee commented on YARN-4051:
--------------------------------

since RM will resend FINISH_APPS/FINISH_CONTAINER if nm reports app/container 
running, seems safe to drop the event if container is recovering, [~jlowe]

> ContainerKillEvent is lost when container is  In New State and is recovering
> ----------------------------------------------------------------------------
>
>                 Key: YARN-4051
>                 URL: https://issues.apache.org/jira/browse/YARN-4051
>             Project: Hadoop YARN
>          Issue Type: Bug
>          Components: nodemanager
>            Reporter: sandflee
>            Assignee: sandflee
>            Priority: Critical
>         Attachments: YARN-4051.01.patch, YARN-4051.02.patch, 
> YARN-4051.03.patch, YARN-4051.04.patch, YARN-4051.05.patch, YARN-4051.06.patch
>
>
> As in YARN-4050, NM event dispatcher is blocked, and container is in New 
> state, when we finish application, the container still alive even after NM 
> event dispatcher is unblocked.



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