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Posted to yarn-issues@hadoop.apache.org by "Wangda Tan (JIRA)" <ji...@apache.org> on 2016/06/27 23:37:57 UTC
[jira] [Assigned] (YARN-1042) add ability to specify
affinity/anti-affinity in container requests
[ https://issues.apache.org/jira/browse/YARN-1042?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Wangda Tan reassigned YARN-1042:
--------------------------------
Assignee: Wangda Tan (was: Arun C Murthy)
> 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: Sub-task
> Components: resourcemanager
> Affects Versions: 3.0.0-alpha1
> Reporter: Steve Loughran
> Assignee: Wangda Tan
> Attachments: YARN-1042-demo.patch, YARN-1042-design-doc.pdf, YARN-1042.001.patch, YARN-1042.002.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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