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https://issues.apache.org/jira/browse/HDFS-17292?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=18027945#comment-18027945
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ASF GitHub Bot commented on HDFS-17292:
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github-actions[bot] closed pull request #6364: HDFS-17292. Show the number of
times the slowPeerCollectorDaemon thread has collected SlowNodes.
URL: https://github.com/apache/hadoop/pull/6364
> Show the number of times the slowPeerCollectorDaemon thread has collected
> SlowNodes.
> ------------------------------------------------------------------------------------
>
> Key: HDFS-17292
> URL: https://issues.apache.org/jira/browse/HDFS-17292
> Project: Hadoop HDFS
> Issue Type: New Feature
> Reporter: Zhaobo Huang
> Assignee: Zhaobo Huang
> Priority: Major
> Labels: pull-request-available
>
> # Add a new metric of the number of times the
> DatanodeManager#slowPeerCollectorDaemon thread collects SlowNodes, and
> display it in a map structure.
> # The same SlowNode may always appear in the prod env, so when
> slowPeerCollectorDaemon is turned on, record the number of times it has been
> collected by the slowPeerCollectorDaemon thread. If the collection frequency
> is too high, SRE or DEV need to repair the machine.
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