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https://issues.apache.org/jira/browse/YARN-3987?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14645136#comment-14645136
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sandflee commented on YARN-3987:
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yes, we set getKeepContainersAcrossApplicationAttempts true, thanks for your
review.
> am container complete msg ack to NM once RM receive it
> ------------------------------------------------------
>
> Key: YARN-3987
> URL: https://issues.apache.org/jira/browse/YARN-3987
> Project: Hadoop YARN
> Issue Type: Bug
> Components: resourcemanager
> Reporter: sandflee
> Assignee: sandflee
> Attachments: YARN-3987.001.patch
>
>
> In our cluster we set max-am-attempts to a very very large num, and
> unfortunately our am crash after launched, leaving too many completed
> container(AM container) in NM. completed container is removed from NM and
> NMStateStore only if container complete is passed to AM, but if AM couldn't
> be launched, the completed AM container couldn't be cleaned, and may eat up
> NM heap memory.
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