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From "Bikas Saha (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-392) Make it possible to schedule to specific nodes without dropping locality
Date Fri, 17 May 2013 01:34:14 GMT

    [ https://issues.apache.org/jira/browse/YARN-392?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13660246#comment-13660246
] 

Bikas Saha commented on YARN-392:
---------------------------------

bq. If we allow Disable-node, I like disableAllocation as the name. Otherwise, fallThrough
or relaxLocality both seem good to me.
{code}
+        if (localRequest != null && localRequest.getDisableAllocation()) {
+          continue;
+        }
{code}

What would it mean to set the flag at the node?


                
> Make it possible to schedule to specific nodes without dropping locality
> ------------------------------------------------------------------------
>
>                 Key: YARN-392
>                 URL: https://issues.apache.org/jira/browse/YARN-392
>             Project: Hadoop YARN
>          Issue Type: Sub-task
>            Reporter: Bikas Saha
>            Assignee: Sandy Ryza
>         Attachments: YARN-392-1.patch, YARN-392-2.patch, YARN-392-2.patch, YARN-392-2.patch,
YARN-392-3.patch, YARN-392-4.patch, YARN-392.patch
>
>
> Currently its not possible to specify scheduling requests for specific nodes and nowhere
else. The RM automatically relaxes locality to rack and * and assigns non-specified machines
to the app.

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