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Posted to hdfs-issues@hadoop.apache.org by "ASF GitHub Bot (Jira)" <ji...@apache.org> on 2022/04/05 12:58:00 UTC
[jira] [Work logged] (HDFS-15382) Split one FsDatasetImpl lock to volume grain locks.
[ https://issues.apache.org/jira/browse/HDFS-15382?focusedWorklogId=752862&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-752862 ]
ASF GitHub Bot logged work on HDFS-15382:
-----------------------------------------
Author: ASF GitHub Bot
Created on: 05/Apr/22 12:57
Start Date: 05/Apr/22 12:57
Worklog Time Spent: 10m
Work Description: MingXiangLi opened a new pull request, #4141:
URL: https://github.com/apache/hadoop/pull/4141
https://issues.apache.org/jira/browse/HDFS-15382 have split lock to block pool grain and do some prepare.This pr is the last part of volume lock.
Issue Time Tracking
-------------------
Worklog Id: (was: 752862)
Time Spent: 5h (was: 4h 50m)
> Split one FsDatasetImpl lock to volume grain locks.
> ---------------------------------------------------
>
> 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
> Fix For: 3.4.0
>
> Attachments: HDFS-15382-sample.patch, image-2020-06-02-1.png, image-2020-06-03-1.png
>
> Time Spent: 5h
> 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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