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From "Sandy Ryza (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-2274) FairScheduler: Add debug information about cluster capacity, availability and reservations
Date Thu, 10 Jul 2014 22:59:05 GMT

    [ https://issues.apache.org/jira/browse/YARN-2274?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14058085#comment-14058085
] 

Sandy Ryza commented on YARN-2274:
----------------------------------

Demanded resources could also be a useful statistic to report.  The update thread typically
runs twice every second, so it might make sense to 5th update or something to avoid a flood
of messages.

> FairScheduler: Add debug information about cluster capacity, availability and reservations
> ------------------------------------------------------------------------------------------
>
>                 Key: YARN-2274
>                 URL: https://issues.apache.org/jira/browse/YARN-2274
>             Project: Hadoop YARN
>          Issue Type: Improvement
>          Components: fairscheduler
>    Affects Versions: 2.4.1
>            Reporter: Karthik Kambatla
>            Assignee: Karthik Kambatla
>            Priority: Trivial
>         Attachments: yarn-2274-1.patch
>
>
> FairScheduler logs have little information on cluster capacity and availability. Need
this information to debug production issues. 



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