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From "Steve Loughran (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-1089) Add YARN compute units alongside virtual cores
Date Wed, 25 Sep 2013 19:06:03 GMT

    [ https://issues.apache.org/jira/browse/YARN-1089?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13777928#comment-13777928
] 

Steve Loughran commented on YARN-1089:
--------------------------------------

My stance on the viability of any arbitrary "compute unit" is known, I'm not going to go there
in this JIRA.

The patch must not break all code that creates a new Resource. Not only to avoid breaking
all the code out there, but because we need a consistent strategy when resource restrictions
that I do think would be viable go in: network IO, GPU. It looks like you have left the old
constructor -but throughout the hadoop codebase moved to an extended one. Not doing that move
would keep the patch much smaller and reassure me that things are less likely to break.

                
> Add YARN compute units alongside virtual cores
> ----------------------------------------------
>
>                 Key: YARN-1089
>                 URL: https://issues.apache.org/jira/browse/YARN-1089
>             Project: Hadoop YARN
>          Issue Type: Improvement
>          Components: api
>    Affects Versions: 2.1.0-beta
>            Reporter: Sandy Ryza
>            Assignee: Sandy Ryza
>         Attachments: YARN-1089-1.patch, YARN-1089.patch
>
>
> Based on discussion in YARN-1024, we will add YARN compute units as a resource for requesting
and scheduling CPU processing power.

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