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https://issues.apache.org/jira/browse/HDFS-16783?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17615044#comment-17615044
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ASF GitHub Bot commented on HDFS-16783:
---------------------------------------

Hexiaoqiao merged PR #4942:
URL: https://github.com/apache/hadoop/pull/4942




> Remove the redundant lock in deepCopyReplica
> --------------------------------------------
>
>                 Key: HDFS-16783
>                 URL: https://issues.apache.org/jira/browse/HDFS-16783
>             Project: Hadoop HDFS
>          Issue Type: Improvement
>            Reporter: ZanderXu
>            Assignee: ZanderXu
>            Priority: Major
>              Labels: pull-request-available
>
> When patching the fine-grained locking of datanode, found there is a 
> redundant lock in deepCopyReplica, maybe we can remove it.



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