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https://issues.apache.org/jira/browse/HDFS-17683?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17903287#comment-17903287
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ASF GitHub Bot commented on HDFS-17683:
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hfutatzhanghb opened a new pull request, #7211:
URL: https://github.com/apache/hadoop/pull/7211
### Description of PR
Refer to HDFS-17683.
Add metrics for acquiring dataset read/write lock to measure dataset lock
performance.
> Add metrics for acquiring dataset read/write lock
> -------------------------------------------------
>
> Key: HDFS-17683
> URL: https://issues.apache.org/jira/browse/HDFS-17683
> Project: Hadoop HDFS
> Issue Type: Improvement
> Components: datanode
> Reporter: farmmamba
> Assignee: farmmamba
> Priority: Major
>
> Add metrics for acquiring dataset read/write lock
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