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Posted to hdfs-issues@hadoop.apache.org by "zhuqi (Jira)" <ji...@apache.org> on 2020/02/18 15:25:00 UTC
[jira] [Commented] (HDFS-15180) DataNode FsDatasetImpl
Fine-Grained Locking via BlockPool.
[ https://issues.apache.org/jira/browse/HDFS-15180?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17039167#comment-17039167 ]
zhuqi commented on HDFS-15180:
------------------------------
cc [~sodonnell] , [~linyiqun], [~weichiu] , [~hexiaoqiao]
What do you think about it. Can you give some advice ?
Thanks.
> 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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