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From "Jaimin D Jetly (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (AMBARI-11003) YARN theme and 'yarn.nodemanager.resource.cpu-vcores' calculation updates
Date Thu, 07 May 2015 21:42:00 GMT

    [ https://issues.apache.org/jira/browse/AMBARI-11003?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14533441#comment-14533441
] 

Jaimin D Jetly commented on AMBARI-11003:
-----------------------------------------

+1 for the patch.

> YARN theme and 'yarn.nodemanager.resource.cpu-vcores' calculation updates
> -------------------------------------------------------------------------
>
>                 Key: AMBARI-11003
>                 URL: https://issues.apache.org/jira/browse/AMBARI-11003
>             Project: Ambari
>          Issue Type: Task
>          Components: contrib
>    Affects Versions: 2.1.0
>            Reporter: Srimanth Gunturi
>            Assignee: Srimanth Gunturi
>             Fix For: 2.1.0
>
>         Attachments: AMBARI-11003.patch, choice1.png
>
>
> YARNs theme should be updated as shown in attached screenshot.
> Also, the calculation for {{yarn.nodemanager.resource.cpu-vcores}} should be dependent
on {{yarn.nodemanager.resource.percentage-physical-cpu-limit}} and the #-physical-cores on
NodeManager.
> {noformat}
> minimum = 1
> maximum = 2 * #-physical-cores
> recommended = max(1, floor(#-physical-cores * yarn.nodemanager.resource.percentage-physical-cpu-limit))
> {noformat}
> This new value will be the max of {{yarn.scheduler.minimum-allocation-vcores}} and {{yarn.scheduler.maximum-allocation-vcores}}.



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