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From "Bikas Saha (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-450) Define value for * in the scheduling protocol
Date Wed, 06 Mar 2013 20:50:13 GMT

    [ https://issues.apache.org/jira/browse/YARN-450?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13595091#comment-13595091
] 

Bikas Saha commented on YARN-450:
---------------------------------

Do you mean org.apache.hadoop.yarn.server.resourcemanager.rmnode.RMNode? That class is not
really part of the YARN API right? I guess thats why you are seeing dependency issues.
This official value would need to be part of the API. So ResourceRequest would be a good place.
A thing to explore would be if this can be defined in the proto definition of the API.
                
> Define value for * in the scheduling protocol
> ---------------------------------------------
>
>                 Key: YARN-450
>                 URL: https://issues.apache.org/jira/browse/YARN-450
>             Project: Hadoop YARN
>          Issue Type: Sub-task
>            Reporter: Bikas Saha
>            Assignee: Zhijie Shen
>         Attachments: YARN-450_1.patch
>
>
> The ResourceRequest has a string field to specify node/rack locations. For the cross-rack/cluster-wide
location (ie when there is no locality constraint) the "*" string is used everywhere. However,
its not defined anywhere and each piece of code either defines a local constant or uses the
string literal. Defining "*" in the protocol and removing other local references from the
code base will be good.

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