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From "Zhijie Shen (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (YARN-450) Define value for * in the scheduling protocol
Date Fri, 22 Mar 2013 20:39:16 GMT

     [ https://issues.apache.org/jira/browse/YARN-450?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Zhijie Shen updated YARN-450:
-----------------------------

    Attachment: YARN-450_5.patch

Addressed Bikas' comments. The bug of ==/!= was fixed. In the future, whenever it is to judge
whether the hostname is of any location, ResourceRequest#isAnyLocation should be called.
                
> 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, YARN-450_2.patch, YARN-450_3.patch, YARN-450_4.patch,
YARN-450_5.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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