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Jiang Xin commented on HDFS-15382: ---------------------------------- Thanks [~Aiphag0] for your proposal, seems it helps a lot on IO heavy DNs and we planned to do this recently. Would you submit a sample patch or push it forward? > 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: Aiphago > Assignee: Aiphago > Priority: Major > Fix For: 3.2.1 > > Attachments: image-2020-06-02-1.png, image-2020-06-03-1.png > > > 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. -- This message was sent by Atlassian Jira (v8.3.4#803005) --------------------------------------------------------------------- To unsubscribe, e-mail: hdfs-issues-unsubscr...@hadoop.apache.org For additional commands, e-mail: hdfs-issues-h...@hadoop.apache.org