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From "Junping Du (JIRA)" <j...@apache.org>
Subject [jira] [Assigned] (YARN-1042) add ability to specify affinity/anti-affinity in container requests
Date Mon, 02 Sep 2013 14:47:56 GMT

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

Junping Du reassigned YARN-1042:
--------------------------------

    Assignee: Junping Du
    
> 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
>
> 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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