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https://issues.apache.org/jira/browse/YARN-424?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Arun C Murthy resolved YARN-424.
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Resolution: Invalid
Looks like we agree Bikas. I'm going to resolve this as won't fix.
Please open specific jiras for specific features in the scheduler.
> Allow resource requests to provide hints to the scheduler
> ----------------------------------------------------------
>
> Key: YARN-424
> URL: https://issues.apache.org/jira/browse/YARN-424
> Project: Hadoop YARN
> Issue Type: Improvement
> Components: api, applications, scheduler
> Affects Versions: 2.0.3-alpha
> Reporter: Sandy Ryza
> Assignee: Sandy Ryza
>
> As initially discussed on YARN-392, it would be helpful for the allocate
> protocol to be able to include hints to the scheduler. Examples hints could
> include deadlines (containers needed by a certain time) or gangs (resources
> that should be scheduled at the same time or not at all).
> To avoid placing complex scheduling expectations on the RM, the restrictions
> on hints would be:
> * Any scheduler may ignore any subset of hints. That is, applications must be
> written to handle resource requests as if their hints don't exist.
> * Must be bounded in length - perhaps no larger than 16 bytes or 100
> characters.
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