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Posted to hdfs-issues@hadoop.apache.org by "ASF GitHub Bot (Jira)" <ji...@apache.org> on 2024/06/12 14:55:00 UTC

[jira] [Commented] (HDFS-17523) Add fine-grained locks metrics in DataSetLockManager

    [ https://issues.apache.org/jira/browse/HDFS-17523?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17854456#comment-17854456 ] 

ASF GitHub Bot commented on HDFS-17523:
---------------------------------------

ThinkerLei opened a new pull request, #6886:
URL: https://github.com/apache/hadoop/pull/6886

   Add fine-grained lock held info when the lock holding time reaches the specified threshold.
   
   




> 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
>
> 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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