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https://issues.apache.org/jira/browse/HDFS-15382?focusedWorklogId=731436&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-731436
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ASF GitHub Bot logged work on HDFS-15382:
-----------------------------------------
Author: ASF GitHub Bot
Created on: 23/Feb/22 08:56
Start Date: 23/Feb/22 08:56
Worklog Time Spent: 10m
Work Description: tomscut commented on pull request #3941:
URL: https://github.com/apache/hadoop/pull/3941#issuecomment-1048564160
> @jojochuang @tomscut The previous PR has merge refer to #3900. At this PR
it improve LightWeightResizableGSet to thread-safe and create LockManager mode.
Please reference.
Thanks @Hexiaoqiao for your reply. I'll look at this PR later.
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Issue Time Tracking
-------------------
Worklog Id: (was: 731436)
Time Spent: 3h 20m (was: 3h 10m)
> Split FsDatasetImpl from blockpool lock to blockpool volume lock
> -----------------------------------------------------------------
>
> Key: HDFS-15382
> URL: https://issues.apache.org/jira/browse/HDFS-15382
> Project: Hadoop HDFS
> Issue Type: Improvement
> Reporter: Mingxiang Li
> Assignee: Mingxiang Li
> Priority: Major
> Labels: pull-request-available
> Attachments: HDFS-15382-sample.patch, image-2020-06-02-1.png,
> image-2020-06-03-1.png
>
> Time Spent: 3h 20m
> Remaining Estimate: 0h
>
> In HDFS-15180 we split lock to blockpool grain size.But when one volume is in
> heavy load and will block other request which in same blockpool but different
> volume.So we split lock to two leval to avoid this happend.And to improve
> datanode performance.
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