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From "Daniel Templeton (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-6504) Add support for resource profiles in MapReduce
Date Sat, 23 Sep 2017 08:24:00 GMT

    [ https://issues.apache.org/jira/browse/YARN-6504?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16177636#comment-16177636
] 

Daniel Templeton commented on YARN-6504:
----------------------------------------

Ya know, that's a really good point.  I've been looking at profiles as an clone of Grid Engine's
"job categories", in which case being able to override parts of the profile is important.
 Considering, though, what an unnatural fit the override capability is in the current implementation,
it may be better to treat profiles like EC2 instance types, meaning that they can't be overridden.
 Given that a user can always just ask for a list of resources explicitly if they know exactly
what they want, the case for allowing resource profiles to be selectively overridden is pretty
weak.  Let me think about it over the weekend, but I'm inclined say that we should get rid
of the override capability altogether.

> Add support for resource profiles in MapReduce
> ----------------------------------------------
>
>                 Key: YARN-6504
>                 URL: https://issues.apache.org/jira/browse/YARN-6504
>             Project: Hadoop YARN
>          Issue Type: Sub-task
>          Components: nodemanager, resourcemanager
>            Reporter: Varun Vasudev
>            Assignee: Varun Vasudev
>         Attachments: YARN-6504-YARN-3926.001.patch, YARN-6504.YARN-3926.002.patch, YARN-6504.YARN-3926.003.patch
>
>




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