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https://issues.apache.org/jira/browse/HDFS-15180?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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zhuqi updated HDFS-15180:
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Description: Now the FsDatasetImpl datasetLock is heavy, when their are
many namespaces in big cluster. If we can split the FsDatasetImpl datasetLock
via blockpool. (was: Now the FsDatasetImpl datasetLock is heavy, when their
are many namespaces in big cluster, we can split the FsDatasetImpl datasetLock
via blockpool. )
> 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
> Priority: Major
>
> Now the FsDatasetImpl datasetLock is heavy, when their are many namespaces in
> big cluster. If we can split the FsDatasetImpl datasetLock via blockpool.
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