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From "Weiwei Yang (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (YARN-1042) add ability to specify affinity/anti-affinity in container requests
Date Thu, 11 Jun 2015 10:13:04 GMT

     [ https://issues.apache.org/jira/browse/YARN-1042?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Weiwei Yang updated YARN-1042:
------------------------------
    Attachment:     (was: YARN-1042.001.patch)

> 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
>            Reporter: Steve Loughran
>            Assignee: Arun C Murthy
>         Attachments: YARN-1042-demo.patch, YARN-1042-design-doc.pdf
>
>
> 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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