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https://issues.apache.org/jira/browse/YARN-2162?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Yufei Gu updated YARN-2162:
---------------------------
    Summary: add ability in Fair Scheduler to optionally configure maxResources 
in terms of percentage  (was: Fair Scheduler :ability to optionally configure 
minResources and maxResources in terms of percentage)

> add ability in Fair Scheduler to optionally configure maxResources in terms 
> of percentage
> -----------------------------------------------------------------------------------------
>
>                 Key: YARN-2162
>                 URL: https://issues.apache.org/jira/browse/YARN-2162
>             Project: Hadoop YARN
>          Issue Type: Improvement
>          Components: fairscheduler, scheduler
>            Reporter: Ashwin Shankar
>            Assignee: Yufei Gu
>              Labels: scheduler
>         Attachments: YARN-2162.001.patch, YARN-2162.002.patch
>
>
> minResources and maxResources in fair scheduler configs are expressed in 
> terms of absolute numbers X mb, Y vcores. 
> As a result, when we expand or shrink our hadoop cluster, we need to 
> recalculate and change minResources/maxResources accordingly, which is pretty 
> inconvenient.
> We can circumvent this problem if we can optionally configure these 
> properties in terms of percentage of cluster capacity. 



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