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From "Konstantin Boudnik (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HADOOP-6977) Herriot daemon clients should vend statistics
Date Tue, 28 Sep 2010 01:35:33 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-6977?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12915583#action_12915583
] 

Konstantin Boudnik commented on HADOOP-6977:
--------------------------------------------

bq. Separating out the presentation and the data in dfshealth.jsp would be a boon all around

The idea of this one is slightly different: instead of making *.jsp better modeled I'm going
to provide a way for a system test to reach JMX beans and pull down any information available
there. I agree that built-in testability is a better answer for many problems, however this
fix is about making already available information be visible in the cluster testing.

> Herriot daemon clients should vend statistics
> ---------------------------------------------
>
>                 Key: HADOOP-6977
>                 URL: https://issues.apache.org/jira/browse/HADOOP-6977
>             Project: Hadoop Common
>          Issue Type: Improvement
>          Components: test
>    Affects Versions: 0.22.0
>            Reporter: Konstantin Boudnik
>            Assignee: Konstantin Boudnik
>         Attachments: HADOOP-6977.patch, HADOOP-6977.y20S.patch
>
>
> The HDFS web user interface serves useful information through dfshealth.jsp and dfsnodelist.jsp.
> The Herriot interface to Hadoop cluster daemons would benefit from the addition of some
way to channel metics information.

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