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From "Arpit Agarwal (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-10958) Add instrumentation hooks around Datanode disk IO
Date Thu, 12 Jan 2017 04:27:16 GMT

    [ https://issues.apache.org/jira/browse/HDFS-10958?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15820137#comment-15820137

Arpit Agarwal commented on HDFS-10958:

Cloned this as HDFS-11337 for the branch-2 backport.

The backport required many changes (due to branch divergence from HDFS-10637) so I'm requesting
a careful review of the branch-2 patch too.

> Add instrumentation hooks around Datanode disk IO
> -------------------------------------------------
>                 Key: HDFS-10958
>                 URL: https://issues.apache.org/jira/browse/HDFS-10958
>             Project: Hadoop HDFS
>          Issue Type: Improvement
>          Components: datanode
>            Reporter: Xiaoyu Yao
>            Assignee: Arpit Agarwal
>             Fix For: 3.0.0-alpha2
>         Attachments: HDFS-10958.01.patch, HDFS-10958.02.patch, HDFS-10958.03.patch, HDFS-10958.04.patch,
HDFS-10958.05.patch, HDFS-10958.06.patch
> This ticket is opened to add instrumentation hooks around Datanode disk IO based on refactor
work from HDFS-10930.

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