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Posted to hdfs-issues@hadoop.apache.org by "Qi Zhu (Jira)" <ji...@apache.org> on 2021/02/24 11:01:00 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=17289853#comment-17289853 ]
Qi Zhu commented on HDFS-15180:
-------------------------------
[~hexiaoqiao] [~sodonnell] [~Aiphag0]
Is it going on, i think we can push this now.
> 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
> Components: datanode
> Affects Versions: 3.2.0
> Reporter: Qi Zhu
> Assignee: Aiphago
> Priority: Major
> Attachments: HDFS-15180.001.patch, HDFS-15180.002.patch, HDFS-15180.003.patch, HDFS-15180.004.patch, image-2020-03-10-17-22-57-391.png, image-2020-03-10-17-31-58-830.png, image-2020-03-10-17-34-26-368.png, image-2020-04-09-11-20-36-459.png
>
>
> 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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