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https://issues.apache.org/jira/browse/HDFS-17523?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17854871#comment-17854871
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ASF GitHub Bot commented on HDFS-17523:
---------------------------------------

hadoop-yetus commented on PR #6886:
URL: https://github.com/apache/hadoop/pull/6886#issuecomment-2166792039

   :broken_heart: **-1 overall**
   
   
   
   
   
   
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Binary files and potentially other changes not applied. Please rebase and 
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   |||| _ Patch Compile Tests _ |
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[/results-checkstyle-hadoop-hdfs-project_hadoop-hdfs.txt](https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-6886/1/artifact/out/results-checkstyle-hadoop-hdfs-project_hadoop-hdfs.txt)
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   |||| _ Other Tests _ |
   | -1 :x: |  unit  | 264m 59s | 
[/patch-unit-hadoop-hdfs-project_hadoop-hdfs.txt](https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-6886/1/artifact/out/patch-unit-hadoop-hdfs-project_hadoop-hdfs.txt)
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   |  |   | 419m 53s |  |  |
   
   
   | Reason | Tests |
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   | GITHUB PR | https://github.com/apache/hadoop/pull/6886 |
   | JIRA Issue | HDFS-17523 |
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https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-6886/1/testReport/ |
   | Max. process+thread count | 3025 (vs. ulimit of 5500) |
   | modules | C: hadoop-hdfs-project/hadoop-hdfs U: 
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   | Console output | 
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> Add  fine-grained locks metrics in DataSetLockManager
> -----------------------------------------------------
>
>                 Key: HDFS-17523
>                 URL: https://issues.apache.org/jira/browse/HDFS-17523
>             Project: Hadoop HDFS
>          Issue Type: Improvement
>            Reporter: lei w
>            Priority: Major
>              Labels: pull-request-available
>
> Currently we use fine-grained locks to manage FsDataSetImpl. But we did not 
> add lock-related metrics. In some cases, we actually need lock-holding 
> information to understand the time-consuming lock-holding of a certain 
> operation. Using this information, we can also optimize some long-term lock 
> operations as early as possible.



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