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From "Tom White (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-689) Add multiplier unit to resourcecapabilities
Date Mon, 03 Jun 2013 21:14:24 GMT

    [ https://issues.apache.org/jira/browse/YARN-689?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13673582#comment-13673582
] 

Tom White commented on YARN-689:
--------------------------------

It seems that there's a concern about impacting CS with this change - if so, then have CapacityScheduler
just return minCapability for getIncrementResourceCapability().

Also, can you keep the two arg constructor for ClusterInfo by setting incrementCapability
to minCapability by default? Then unrelated tests wouldn't need to change.

                
> Add multiplier unit to resourcecapabilities
> -------------------------------------------
>
>                 Key: YARN-689
>                 URL: https://issues.apache.org/jira/browse/YARN-689
>             Project: Hadoop YARN
>          Issue Type: Bug
>          Components: api, scheduler
>    Affects Versions: 2.0.4-alpha
>            Reporter: Alejandro Abdelnur
>            Assignee: Alejandro Abdelnur
>         Attachments: YARN-689.patch, YARN-689.patch, YARN-689.patch, YARN-689.patch
>
>
> Currently we overloading the minimum resource value as the actual multiplier used by
the scheduler.
> Today with a minimum memory set to 1GB, requests for 1.5GB are always translated to allocation
of 2GB.
> We should decouple the minimum allocation from the multiplier.
> The multiplier should also be exposed to the client via the RegisterApplicationMasterResponse

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