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https://issues.apache.org/jira/browse/HDFS-16993?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=18031938#comment-18031938
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ASF GitHub Bot commented on HDFS-16993:
---------------------------------------

github-actions[bot] commented on PR #5597:
URL: https://github.com/apache/hadoop/pull/5597#issuecomment-3430009135

   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.




> Datanode supports configure TopN DatanodeNetworkCounts
> ------------------------------------------------------
>
>                 Key: HDFS-16993
>                 URL: https://issues.apache.org/jira/browse/HDFS-16993
>             Project: Hadoop HDFS
>          Issue Type: Wish
>    Affects Versions: 3.3.5
>            Reporter: farmmamba
>            Priority: Major
>              Labels: pull-request-available
>
> In our prod environment, we try to collect datanode metrics every 15s through 
> jmx_exporter.  we found the datanodenetworkerror metric generates a lot.
> for example, if we have a cluster with 1000 datanodes, every datanode may 
> generate 999 datanodenetworkerror metrics, and overall datanodes will 
> generate 1000 multiple 999 = 999000 metrics. This is a very expensive 
> operation. In most scenarios, we only need the topN of it.



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