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https://issues.apache.org/jira/browse/YARN-11587?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=18028908#comment-18028908
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ASF GitHub Bot commented on YARN-11587:
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github-actions[bot] commented on PR #6157:
URL: https://github.com/apache/hadoop/pull/6157#issuecomment-3387856722
We're closing this stale PR because it has been open for 100 days with no
activity. This isn't a judgement on the merit of the PR in any way. It's just a
way of keeping the PR queue manageable.
If you feel like this was a mistake, or you would like to continue working
on it, please feel free to re-open it and ask for a committer to remove the
stale tag and review again.
Thanks all for your contribution.
> Fix the possible issue of duplicate registration in the metrics queue.
> ----------------------------------------------------------------------
>
> Key: YARN-11587
> URL: https://issues.apache.org/jira/browse/YARN-11587
> Project: Hadoop YARN
> Issue Type: Bug
> Components: yarn
> Affects Versions: 3.4.0
> Environment: 3.3.0
> Reporter: Max Xie
> Priority: Minor
> Labels: pull-request-available
> Attachments: image-2023-10-08-15-12-49-688.png
>
>
> In our cluster, there has been an issue of duplicate registration of queue
> metrics, causing the Resourcemanager to fail and exit. Through code analysis,
> it is possible that adding the synchronized keyword is required when
> registering the metrics queue method. !image-2023-10-08-15-12-49-688.png!
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