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From "Wangda Tan (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-7292) Revisit Resource Profile Behavior
Date Sun, 04 Feb 2018 12:48:01 GMT

    [ https://issues.apache.org/jira/browse/YARN-7292?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16351770#comment-16351770
] 

Wangda Tan commented on YARN-7292:
----------------------------------

Rebased to latest trunk (003)

> Revisit Resource Profile Behavior
> ---------------------------------
>
>                 Key: YARN-7292
>                 URL: https://issues.apache.org/jira/browse/YARN-7292
>             Project: Hadoop YARN
>          Issue Type: Sub-task
>          Components: nodemanager, resourcemanager
>            Reporter: Wangda Tan
>            Assignee: Wangda Tan
>            Priority: Blocker
>         Attachments: YARN-7292.002.patch, YARN-7292.003.patch, YARN-7292.wip.001.patch
>
>
> Had discussions with [~templedf], [~vvasudev], [~sunilg] offline. There're a couple of
resource profile related behaviors might need to be updated:
> 1) Configure resource profile in server side or client side: 
> Currently resource profile can be only configured centrally:
> - Advantages:
> A given resource profile has a the same meaning in the cluster. It won’t change when
we run different apps in different configurations. A job can run under Amazon’s G2.8X can
also run on YARN with G2.8X profile. A side benefit is YARN scheduler can potentially do better
bin packing.
> - Disadvantages: 
> Hard for applications to add their own resource profiles. 
> 2) Do we really need mandatory resource profiles such as minimum/maximum/default? 
> 3) Should we send resource profile name inside ResourceRequest, or should client/AM translate
it to resource and set it to the existing resource fields? 
> 4) Related to above, should we allow resource overrides or client/AM should send final
resource to RM?



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