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https://issues.apache.org/jira/browse/YARN-4924?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15236015#comment-15236015
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Jason Lowe commented on YARN-4924:
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Thanks for updating the patch!
cleanupKeysWithPrefix can now let the DBException escape when it couldn't
before because the createWriteBatch call was moved outside of the try block
that translates that exception.
> NM recovery race can lead to container not cleaned up
> -----------------------------------------------------
>
> Key: YARN-4924
> URL: https://issues.apache.org/jira/browse/YARN-4924
> Project: Hadoop YARN
> Issue Type: Bug
> Components: nodemanager
> Affects Versions: 3.0.0, 2.7.2
> Reporter: Nathan Roberts
> Assignee: sandflee
> Attachments: YARN-4924.01.patch, YARN-4924.02.patch,
> YARN-4924.03.patch
>
>
> It's probably a small window but we observed a case where the NM crashed and
> then a container was not properly cleaned up during recovery.
> I will add details in first comment.
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