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Posted to hdfs-dev@hadoop.apache.org by "Xiaoqiao He (Jira)" <ji...@apache.org> on 2022/03/12 10:50:00 UTC
[jira] [Resolved] (HDFS-15382) Split one FsDatasetImpl lock to block pool grain locks.
[ https://issues.apache.org/jira/browse/HDFS-15382?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Xiaoqiao He resolved HDFS-15382.
--------------------------------
Fix Version/s: 3.4.0
Hadoop Flags: Reviewed
Resolution: Fixed
Committed to trunk. Thanks [~Aiphag0] for your works and thanks all (many to not mention everyone) for your suggestions.
> Split one FsDatasetImpl lock to block pool 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: 4h 50m
> 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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