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Date: Mon, 19 Jan 2009 09:59:59 -0800 (PST)
From: "Ari Rabkin (JIRA)" <jira@apache.org>
To: core-dev@hadoop.apache.org
Subject: [jira] Commented: (HADOOP-5025) Add instrumentation Api for Chukwa
 components
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    [ https://issues.apache.org/jira/browse/HADOOP-5025?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12665167#action_12665167 ] 

Ari Rabkin commented on HADOOP-5025:
------------------------------------

This sounds like a good thing.  There's currently a lot of sort of yucky code to monitor and print these things.  You might remove that code in this patch.

> Add instrumentation Api for Chukwa components
> ---------------------------------------------
>
>                 Key: HADOOP-5025
>                 URL: https://issues.apache.org/jira/browse/HADOOP-5025
>             Project: Hadoop Core
>          Issue Type: New Feature
>          Components: contrib/chukwa
>            Reporter: Jerome Boulon
>            Assignee: Jerome Boulon
>
> Chukwa Components should be able to emit some metrics in an easy way.
> I'm thinking of reusing the new HADOOP JMX instrumentation API to do that + MetricsContext to output/collect them using chukwa.

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