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https://issues.apache.org/jira/browse/HDFS-11337?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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maobaolong updated HDFS-11337:
------------------------------
Description: +underlined text+Cloned from HDFS-10958 to verify the branch-2
backport. (was: Cloned from HDFS-10958 to verify the branch-2 backport.)
> [branch-2] Add instrumentation hooks around Datanode disk IO
> ------------------------------------------------------------
>
> Key: HDFS-11337
> URL: https://issues.apache.org/jira/browse/HDFS-11337
> Project: Hadoop HDFS
> Issue Type: Improvement
> Components: datanode
> Reporter: Xiaoyu Yao
> Assignee: Arpit Agarwal
> Priority: Major
> Attachments: HDFS-11337-branch-2.01.patch,
> HDFS-11337-branch-2.02.patch, HDFS-11337-branch-2.03.patch,
> HDFS-11337-branch-2.04.patch, HDFS-11337-branch-2.05.patch,
> HDFS-11337-branch-2.06.patch
>
>
> +underlined text+Cloned from HDFS-10958 to verify the branch-2 backport.
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