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From "Arun Suresh (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-8808) Use aggregate container utilization instead of node utilization to determine resources available for oversubscription
Date Sat, 22 Sep 2018 20:58:00 GMT

    [ https://issues.apache.org/jira/browse/YARN-8808?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16624831#comment-16624831
] 

Arun Suresh commented on YARN-8808:
-----------------------------------

Also, it looks like you need to null check getNodeUtilization() / getAggregatedContainersUtilization()
- there seems to be case where you can get an NPE if you don't


> Use aggregate container utilization instead of node utilization to determine resources
available for oversubscription
> ---------------------------------------------------------------------------------------------------------------------
>
>                 Key: YARN-8808
>                 URL: https://issues.apache.org/jira/browse/YARN-8808
>             Project: Hadoop YARN
>          Issue Type: Sub-task
>    Affects Versions: YARN-1011
>            Reporter: Haibo Chen
>            Assignee: Haibo Chen
>            Priority: Major
>         Attachments: YARN-8088-YARN-1011.01.patch, YARN-8808-YARN-1011.00.patch
>
>
> Resource oversubscription should be bound to the amount of the resources that can be
allocated to containers, hence the allocation threshold should be with respect to aggregate
container utilization.



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