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https://issues.apache.org/jira/browse/HDFS-17580?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17867493#comment-17867493
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ASF GitHub Bot commented on HDFS-17580:
---------------------------------------

Hexiaoqiao commented on PR #6943:
URL: https://github.com/apache/hadoop/pull/6943#issuecomment-2241033564

   @hfutatzhanghb Thanks for your addendum information. From the stack and 
screenshot we could not make sure that it is blocked by RWLock here, any direct 
support information? Thanks again.




> Change the default value of dfs.datanode.lock.fair to false due to potential 
> hang
> ---------------------------------------------------------------------------------
>
>                 Key: HDFS-17580
>                 URL: https://issues.apache.org/jira/browse/HDFS-17580
>             Project: Hadoop HDFS
>          Issue Type: Improvement
>          Components: datanode
>    Affects Versions: 3.4.0
>            Reporter: farmmamba
>            Assignee: farmmamba
>            Priority: Major
>              Labels: pull-request-available
>




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