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Posted to yarn-issues@hadoop.apache.org by "Ashwin Shankar (JIRA)" <ji...@apache.org> on 2014/06/15 21:01:02 UTC

[jira] [Created] (YARN-2162) Fair Scheduler :ability to configure minResources and maxResources in terms of percentage

Ashwin Shankar created YARN-2162:
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             Summary: Fair Scheduler :ability to 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


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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