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Posted to yarn-issues@hadoop.apache.org by "Karthik Kambatla (JIRA)" <ji...@apache.org> on 2014/08/05 03:27:12 UTC

[jira] [Updated] (YARN-2352) FairScheduler: Collect metrics on duration of critical methods that affect performance

     [ https://issues.apache.org/jira/browse/YARN-2352?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Karthik Kambatla updated YARN-2352:
-----------------------------------

    Attachment: fs-perf-metrics.png

Just got a working version of this, and here is a screenshot from a FileSink that I hooked up. Will post the patch momentarily.

> 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
>         Attachments: fs-perf-metrics.png
>
>
> 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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