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From "Yufei Gu (JIRA)" <j...@apache.org>
Subject [jira] [Assigned] (YARN-2162) Fair Scheduler :ability to optionally configure minResources and maxResources in terms of percentage
Date Wed, 18 Jan 2017 00:54:26 GMT

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

Yufei Gu reassigned YARN-2162:
------------------------------

    Assignee: Yufei Gu

> 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
>            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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