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https://issues.apache.org/jira/browse/HDFS-17292?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17811652#comment-17811652
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ASF GitHub Bot commented on HDFS-17292:
---------------------------------------

hadoop-yetus commented on PR #6364:
URL: https://github.com/apache/hadoop/pull/6364#issuecomment-1913559858

   :broken_heart: **-1 overall**
   
   
   
   
   
   
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   |||| _ Patch Compile Tests _ |
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[/results-checkstyle-hadoop-hdfs-project.txt](https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-6364/12/artifact/out/results-checkstyle-hadoop-hdfs-project.txt)
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   |||| _ Other Tests _ |
   | -1 :x: |  unit  | 222m 35s | 
[/patch-unit-hadoop-hdfs-project_hadoop-hdfs.txt](https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-6364/12/artifact/out/patch-unit-hadoop-hdfs-project_hadoop-hdfs.txt)
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   |  |   | 418m 32s |  |  |
   
   
   | Reason | Tests |
   |-------:|:------|
   | Failed junit tests | hadoop.hdfs.server.datanode.TestDirectoryScanner |
   
   
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   |  Test Results | 
https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-6364/12/testReport/ |
   | Max. process+thread count | 4284 (vs. ulimit of 5500) |
   | modules | C: hadoop-hdfs-project/hadoop-hdfs 
hadoop-hdfs-project/hadoop-hdfs-rbf U: hadoop-hdfs-project |
   | Console output | 
https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-6364/12/console |
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   | Powered by | Apache Yetus 0.14.0 https://yetus.apache.org |
   
   
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> 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: huangzhaobo
>            Assignee: huangzhaobo
>            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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