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https://issues.apache.org/jira/browse/YARN-1042?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13763080#comment-13763080
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Junping Du commented on YARN-1042:
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Hi [~ste...@apache.org], as you are the creator of this jira and probably
consume this API in HOYA project. It is great if you can provide some input
here. Thx!
> add ability to specify affinity/anti-affinity in container requests
> -------------------------------------------------------------------
>
> Key: YARN-1042
> URL: https://issues.apache.org/jira/browse/YARN-1042
> Project: Hadoop YARN
> Issue Type: New Feature
> Components: resourcemanager
> Affects Versions: 3.0.0
> Reporter: Steve Loughran
> Assignee: Junping Du
> Attachments: YARN-1042-demo.patch
>
>
> container requests to the AM should be able to request anti-affinity to
> ensure that things like Region Servers don't come up on the same failure
> zones.
> Similarly, you may be able to want to specify affinity to same host or rack
> without specifying which specific host/rack. Example: bringing up a small
> giraph cluster in a large YARN cluster would benefit from having the
> processes in the same rack purely for bandwidth reasons.
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