Karthik Kambatla updated YARN-2162:

    Target Version/s: 2.6.0  (was: 2.5.0)

> Fair Scheduler :ability to optionally configure minResources and maxResources 
> in terms of percentage
> ----------------------------------------------------------------------------------------------------
>                 Key: YARN-2162
>                 URL: https://issues.apache.org/jira/browse/YARN-2162
>             Project: Hadoop YARN
>          Issue Type: Improvement
>          Components: scheduler
>            Reporter: Ashwin Shankar
>              Labels: scheduler
> 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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