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https://issues.apache.org/jira/browse/HDFS-14703?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17187409#comment-17187409
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junbiao chen edited comment on HDFS-14703 at 8/31/20, 6:19 AM:
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[~hexiaoqiao] I want to do some work on this issue ,could you tell me which
version does the patch base on?thanks
was (Author: dahaishuantuoba):
[~hexiaoqiao] I want to do some work on this issue ,could you which version
does the patch base on?thanks
> NameNode Fine-Grained Locking via Metadata Partitioning
> -------------------------------------------------------
>
> Key: HDFS-14703
> URL: https://issues.apache.org/jira/browse/HDFS-14703
> Project: Hadoop HDFS
> Issue Type: Improvement
> Components: hdfs, namenode
> Reporter: Konstantin Shvachko
> Priority: Major
> Attachments: 001-partitioned-inodeMap-POC.tar.gz, NameNode
> Fine-Grained Locking.pdf, NameNode Fine-Grained Locking.pdf
>
>
> We target to enable fine-grained locking by splitting the in-memory namespace
> into multiple partitions each having a separate lock. Intended to improve
> performance of NameNode write operations.
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