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From "Andrew Wang (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-11194) Maintain aggregated peer performance metrics on NameNode
Date Thu, 26 Jan 2017 22:54:24 GMT

    [ https://issues.apache.org/jira/browse/HDFS-11194?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15840607#comment-15840607
] 

Andrew Wang commented on HDFS-11194:
------------------------------------

This is a really cool feature. Would someone mind adding a release note on how to configure
and view these new metrics?

> Maintain aggregated peer performance metrics on NameNode
> --------------------------------------------------------
>
>                 Key: HDFS-11194
>                 URL: https://issues.apache.org/jira/browse/HDFS-11194
>             Project: Hadoop HDFS
>          Issue Type: Bug
>          Components: namenode
>            Reporter: Xiaobing Zhou
>            Assignee: Arpit Agarwal
>             Fix For: 2.9.0, 3.0.0-alpha3
>
>         Attachments: HDFS-11194.01.patch, HDFS-11194.02.patch, HDFS-11194-03-04.delta,
HDFS-11194.03.patch, HDFS-11194.04.patch, HDFS-11194.05.patch, HDFS-11194.06.patch
>
>
> The metrics collected in HDFS-10917 should be reported to and aggregated on NameNode
as part of heart beat messages. This will make is easy to expose it through JMX to users who
are interested in them.



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