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https://issues.apache.org/jira/browse/YARN-5392?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15390346#comment-15390346
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Wangda Tan commented on YARN-5392:
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Looks good, thanks [~asuresh]. But I really hope you could wait for someone
else take a look at it before committing since this patch changed a lot of
stuffs. cc: [~jianhe], [~kasha]?
> Replace use of Priority in the Scheduling infrastructure with an opaque
> ShedulerKey
> -----------------------------------------------------------------------------------
>
> Key: YARN-5392
> URL: https://issues.apache.org/jira/browse/YARN-5392
> Project: Hadoop YARN
> Issue Type: Sub-task
> Reporter: Arun Suresh
> Assignee: Arun Suresh
> Attachments: YARN-5392.001.patch, YARN-5392.002.patch,
> YARN-5392.003.patch, YARN-5392.004.patch, YARN-5392.005.patch,
> YARN-5392.006.patch, YARN-5392.007.patch, YARN-5392.008.patch
>
>
> Based on discussions in YARN-4888, this jira proposes to replace the use of
> {{Priority}} in the Scheduler infrastructure (Scheduler, Queues, SchedulerApp
> / Node etc.) with a more opaque and extensible {{SchedulerKey}}.
> Note: Even though {{SchedulerKey}} will be used by the internal scheduling
> infrastructure, It will not be exposed to the Client or the AM. The
> SchdulerKey is meant to be an internal construct that is derived from
> attributes of the ResourceRequest / ApplicationSubmissionContext / Scheduler
> Configuration etc.
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