[jira] [Commented] (HDFS-17707) TestStateStoreFileSystem fails after HDFS-17496

[ASF GitHub Bot (Jira)]

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https://issues.apache.org/jira/browse/HDFS-17707?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17911002#comment-17911002
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ASF GitHub Bot commented on HDFS-17707:
---------------------------------------

hfutatzhanghb opened a new pull request, #7276:
URL: https://github.com/apache/hadoop/pull/7276

   ### Description of PR
   Cause is race condition when multiple instances of 
FileIoProvider#mkdirsWithExistsCheck are called for the same directory on 
different DIR locks.
   
   There can be two ways to solve this problem:
   1. use DIR lock align with datanode two-level layout, like subdir0/subdir0
   2. modify the logic of mkdirsWithExistsCheck like below:
   
![image](https://github.com/user-attachments/assets/23682015-9059-4a40-aba5-b19e9f491527)
   




> TestStateStoreFileSystem fails after HDFS-17496
> -----------------------------------------------
>
>                 Key: HDFS-17707
>                 URL: https://issues.apache.org/jira/browse/HDFS-17707
>             Project: Hadoop HDFS
>          Issue Type: Bug
>            Reporter: Felix N
>            Assignee: farmmamba
>            Priority: Minor
>
> Cause is race condition when multiple instances of 
> FileIoProvider#mkdirsWithExistsCheck are called for the same directory on 
> different DIR locks.



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