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From "Srimanth Gunturi (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-989) MR2 specific metrics should be collected
Date Tue, 30 Jul 2013 22:37:48 GMT

    [ https://issues.apache.org/jira/browse/YARN-989?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13724531#comment-13724531
] 

Srimanth Gunturi commented on YARN-989:
---------------------------------------

The usecase is to show on Ambari UI the information written in description.
                
> MR2 specific metrics should be collected
> ----------------------------------------
>
>                 Key: YARN-989
>                 URL: https://issues.apache.org/jira/browse/YARN-989
>             Project: Hadoop YARN
>          Issue Type: Bug
>          Components: api, applications
>    Affects Versions: 2.1.0-beta
>            Reporter: Srimanth Gunturi
>
> We have a usecase to show the below information. We can find job count by calling the
/apps endpoint and filtering by type/state. But we need a way (JMX/API) to get the number
of map/red tasks that are running/waiting.
> {noformat}
> Total Jobs: x jobs
> Tasks: Maps	a running / b waiting
> Tasks: Reduces	c running / d waiting
> {noformat}

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