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From "Karthik Kambatla (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-2352) FairScheduler: Collect metrics on duration of critical methods that affect performance
Date Thu, 24 Jul 2014 18:16:40 GMT

    [ https://issues.apache.org/jira/browse/YARN-2352?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14073467#comment-14073467
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Karthik Kambatla commented on YARN-2352:
----------------------------------------

Once this is done, we can look into getting statistics over a sliding window - either in the
number of calls or time. 

> FairScheduler: Collect metrics on duration of critical methods that affect performance
> --------------------------------------------------------------------------------------
>
>                 Key: YARN-2352
>                 URL: https://issues.apache.org/jira/browse/YARN-2352
>             Project: Hadoop YARN
>          Issue Type: Improvement
>          Components: scheduler
>    Affects Versions: 2.4.1
>            Reporter: Karthik Kambatla
>            Assignee: Karthik Kambatla
>
> We need more metrics for better visibility into FairScheduler performance. At the least,
we need to do this for (1) handle node events, (2) update, (3) compute fairshares, (4) preemption.



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