Ashwin Shankar created YARN-2162:

             Summary: Fair Scheduler :ability to configure minResources and 
maxResources in terms of percentage
                 Key: YARN-2162
             Project: Hadoop YARN
          Issue Type: Improvement
          Components: scheduler
            Reporter: Ashwin Shankar

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 
We can circumvent this problem if we can (optionally) configure these 
properties in terms of percentage of cluster capacity. 

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