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Posted to yarn-issues@hadoop.apache.org by "Siqi Li (JIRA)" <ji...@apache.org> on 2014/11/05 20:25:36 UTC

[jira] [Commented] (YARN-2811) Fair Scheduler is violating max memory settings in 2.4

    [ https://issues.apache.org/jira/browse/YARN-2811?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14198917#comment-14198917 ] 

Siqi Li commented on YARN-2811:
-------------------------------

After I digging through the code, it seems that in 2.4 resource allocation for reserved containers doesn't check the queue maximum any more. That's why queues are exceeding their maximum when under a certain amount of load 

> Fair Scheduler is violating max memory settings in 2.4
> ------------------------------------------------------
>
>                 Key: YARN-2811
>                 URL: https://issues.apache.org/jira/browse/YARN-2811
>             Project: Hadoop YARN
>          Issue Type: Bug
>    Affects Versions: 2.4.0
>            Reporter: Siqi Li
>
> This has been seen on several queues showing the allocated MB going significantly above the max MB and it appears to have started with the 2.4 upgrade. 



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