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https://issues.apache.org/jira/browse/YARN-8495?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Dillon Zhang updated YARN-8495:
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Attachment: YARN-8495.001.patch
> Priority scheduling support in FairShare scheduler
> --------------------------------------------------
>
> Key: YARN-8495
> URL: https://issues.apache.org/jira/browse/YARN-8495
> Project: Hadoop YARN
> Issue Type: Wish
> Components: fairscheduler
> Reporter: Dillon Zhang
> Priority: Major
> Attachments: YARN-8495.001.patch
>
>
> In production environment, priority scheduling is of vital importance to us
> as we have lots of queues for different departments, then create applications
> but some of them are not so important as others, so we must guarantee the
> import ones to supply service.
> Based on the priority of the application, Fair Scheduler should be able to
> give preference to application while scheduling.
> Comparator<FairShareComparator> applicationComparator can be changed as
> below.
> 1. Check for Application priority. If priority is available, then return the
> highest priority job.
> 2. Otherwise continue with existing logic such as Fair Share comparison and
> App ID comparison and then TimeStamp comparison.
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