zhuqi created HDFS-15180:
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Summary: DataNode FsDatasetImpl Fine-Grained Locking via
BlockPool.
Key: HDFS-15180
URL: https://issues.apache.org/jira/browse/HDFS-15180
Project: Hadoop HDFS
Issue Type: Improvement
Affects Versions: 3.2.0
Reporter: zhuqi
Assignee: zhuqi
Now the FsDatasetImpl datasetLock is heavy, when their are many namespaces in
big cluster, we can split the FsDatasetImpl datasetLock via blockpool.
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