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https://issues.apache.org/jira/browse/YARN-9390?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16796704#comment-16796704
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Abhishek Modi commented on YARN-9390:
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Thanks [~giovanni.fumarola] for review.
Right now, in capacity scheduler there is a configuration to change resource
calculator, but there is no way to change it in Opportunistic scheduling.
DefaultResourceCalculator is performant as compared to
DominantResourceCalculator, as it doesn't compare other resource types. The
idea is to provide flexibility and an option to the users using capacity
scheduler with DefaultResourceCalculator to use opportunistic scheduling with
same resource calculator.
> Add support for configurable Resource Calculator in Opportunistic Scheduler.
> ----------------------------------------------------------------------------
>
> Key: YARN-9390
> URL: https://issues.apache.org/jira/browse/YARN-9390
> Project: Hadoop YARN
> Issue Type: Sub-task
> Reporter: Abhishek Modi
> Assignee: Abhishek Modi
> Priority: Major
> Attachments: YARN-9390.001.patch
>
>
> Right now, Opportunistic scheduler uses hard coded DominantResourceCalculator
> and there is no option to change it to other resource calculators. This Jira
> is to make resource calculator configurable for Opportunistic scheduler.
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