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From "Junping Du (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-1042) add ability to specify affinity/anti-affinity in container requests
Date Wed, 11 Sep 2013 09:09:53 GMT

    [ https://issues.apache.org/jira/browse/YARN-1042?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13764142#comment-13764142
] 

Junping Du commented on YARN-1042:
----------------------------------

Are you mean YARN-624? I didn't follow up this JIRA before, and looks like it has been quiet
for a while. Do you know what's status there? Shall we add dependency to that JIRA?
                
> 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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