Aiphago created HDFS-15382:
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Summary: Split DataNode FsDatasetImpl 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
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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