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https://issues.apache.org/jira/browse/HDFS-16511?focusedWorklogId=750770&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-750770
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ASF GitHub Bot logged work on HDFS-16511:
-----------------------------------------
Author: ASF GitHub Bot
Created on: 31/Mar/22 06:02
Start Date: 31/Mar/22 06:02
Worklog Time Spent: 10m
Work Description: Hexiaoqiao closed pull request #4085:
URL: https://github.com/apache/hadoop/pull/4085
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Issue Time Tracking
-------------------
Worklog Id: (was: 750770)
Time Spent: 2h 50m (was: 2h 40m)
> Improve lock type for ReplicaMap under fine-grain lock mode.
> ------------------------------------------------------------
>
> Key: HDFS-16511
> URL: https://issues.apache.org/jira/browse/HDFS-16511
> Project: Hadoop HDFS
> Issue Type: Sub-task
> Components: hdfs
> Reporter: Mingxiang Li
> Assignee: Mingxiang Li
> Priority: Major
> Labels: pull-request-available
> Time Spent: 2h 50m
> Remaining Estimate: 0h
>
> In HDFS-16429 we make LightWeightResizableGSet to be thread safe, and In
> HDFS-15382 we have split lock to block pool grain locks.After these
> improvement, we can change some method to acquire read lock replace to
> acquire write lock.
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