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Posted to yarn-issues@hadoop.apache.org by "Yufei Gu (JIRA)" <ji...@apache.org> on 2017/07/19 19:17:03 UTC

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

     [ https://issues.apache.org/jira/browse/YARN-2162?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Yufei Gu updated YARN-2162:
---------------------------
    Component/s: fairscheduler

> 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: fairscheduler, scheduler
>            Reporter: Ashwin Shankar
>            Assignee: Yufei Gu
>              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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