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Posted to mapreduce-issues@hadoop.apache.org by "Todd Lipcon (JIRA)" <ji...@apache.org> on 2011/06/18 01:57:47 UTC

[jira] [Updated] (MAPREDUCE-2323) Add metrics to the fair scheduler

     [ https://issues.apache.org/jira/browse/MAPREDUCE-2323?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Todd Lipcon updated MAPREDUCE-2323:
-----------------------------------

    Attachment: mr-2323.txt

Rebased on trunk. Also fixes a bug where using "setPool" twice on a job would cause an NPE, since it would clean up the metrics on the first switch, and then NPE when cleaning it up again

> Add metrics to the fair scheduler
> ---------------------------------
>
>                 Key: MAPREDUCE-2323
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-2323
>             Project: Hadoop Map/Reduce
>          Issue Type: New Feature
>          Components: contrib/fair-share
>    Affects Versions: 0.23.0
>            Reporter: Todd Lipcon
>            Assignee: Todd Lipcon
>             Fix For: 0.23.0
>
>         Attachments: mr-2323-20.txt, mr-2323.txt, mr-2323.txt, mr-2323.txt
>
>
> It would be useful to be able to monitor various metrics in the fair scheduler, like demand, fair share, min share, and running task count.

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