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Posted to yarn-issues@hadoop.apache.org by "Ashwin Shankar (JIRA)" <ji...@apache.org> on 2014/09/02 21:50:20 UTC

[jira] [Commented] (YARN-2306) leak of reservation metrics (fair scheduler)

    [ https://issues.apache.org/jira/browse/YARN-2306?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14118617#comment-14118617 ] 

Ashwin Shankar commented on YARN-2306:
--------------------------------------

[~kasha], we saw reservation metrics leak in our clusters as well.
If this patch looks good to you, can we please commit it ?

> leak of reservation metrics (fair scheduler)
> --------------------------------------------
>
>                 Key: YARN-2306
>                 URL: https://issues.apache.org/jira/browse/YARN-2306
>             Project: Hadoop YARN
>          Issue Type: Bug
>          Components: scheduler
>            Reporter: Hong Zhiguo
>            Assignee: Hong Zhiguo
>            Priority: Minor
>         Attachments: YARN-2306.patch
>
>
> This only applies to fair scheduler. Capacity scheduler is OK.
> When appAttempt or node is removed, the metrics for reservation(reservedContainers, reservedMB, reservedVCores) is not reduced back.
> These are important metrics for administrator. The wrong metrics confuses may confuse them. 



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