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https://issues.apache.org/jira/browse/HDFS-16534?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Shilun Fan updated HDFS-16534:
------------------------------
    Affects Version/s: 3.4.0

> Split datanode block pool locks to volume grain.
> ------------------------------------------------
>
>                 Key: HDFS-16534
>                 URL: https://issues.apache.org/jira/browse/HDFS-16534
>             Project: Hadoop HDFS
>          Issue Type: Sub-task
>          Components: datanode
>    Affects Versions: 3.4.0
>            Reporter: Mingxiang Li
>            Assignee: Mingxiang Li
>            Priority: Major
>              Labels: pull-request-available
>             Fix For: 3.4.0
>
>          Time Spent: 1h 40m
>  Remaining Estimate: 0h
>
>  This is sub task of HDFS-15382. 
> https://issues.apache.org/jira/browse/HDFS-15180 have split lock to block 
> pool grain and do some prepare.This pr is the last part of volume lock.



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