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Posted to common-issues@hadoop.apache.org by GitBox <gi...@apache.org> on 2022/03/01 05:06:40 UTC

[GitHub] [hadoop] tomscut commented on pull request #3941: HDFS-15382. Split one FsDatasetImpl lock to block pool grain locks.

tomscut commented on pull request #3941:
URL: https://github.com/apache/hadoop/pull/3941#issuecomment-1055024182


   Thanks @MingXiangLi and @Hexiaoqiao . 
   
   This is a great idea to introduce fine-grained locking for datanode. In fact, we introduced original PR of [HDFS-15380](https://issues.apache.org/jira/browse/HDFS-15180) and
   [HDFS-15382](https://issues.apache.org/jira/browse/HDFS-15382) to branch-3.1.0. Ran on our cold data cluster for a few months and it worked well.
   
   The latest version looks good to me. 


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