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From "Arpit Agarwal (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HDFS-10959) Adding per disk IO statistics and metrics in DataNode.
Date Fri, 13 Jan 2017 20:00:28 GMT

     [ https://issues.apache.org/jira/browse/HDFS-10959?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel

Arpit Agarwal updated HDFS-10959:
    Attachment: HDFS-10959-branch-2.01.patch

Attaching a branch-2 backport patch (the conflicts were trivial).

This depends on HDFS-11337.

> Adding per disk IO statistics and metrics in DataNode.
> ------------------------------------------------------
>                 Key: HDFS-10959
>                 URL: https://issues.apache.org/jira/browse/HDFS-10959
>             Project: Hadoop HDFS
>          Issue Type: Improvement
>          Components: datanode
>            Reporter: Xiaoyu Yao
>            Assignee: Xiaoyu Yao
>             Fix For: 3.0.0-alpha2
>         Attachments: HDFS-10959.00.patch, HDFS-10959.01.patch, HDFS-10959.02.patch, HDFS-10959.03.patch,
HDFS-10959.04.patch, HDFS-10959-branch-2.01.patch
> This ticket is opened to support per disk IO statistics in DataNode based on HDFS-10930.
The statistics added will make it easier to implement HDFS-4169 "Add per-disk latency metrics
to DataNode".

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