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Posted to yarn-issues@hadoop.apache.org by "Sandy Ryza (JIRA)" <ji...@apache.org> on 2013/05/18 19:41:18 UTC
[jira] [Commented] (YARN-392) Make it possible to specify hard
locality constraints in resource requests
[ https://issues.apache.org/jira/browse/YARN-392?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13661403#comment-13661403 ]
Sandy Ryza commented on YARN-392:
---------------------------------
bq. it would still be possible to blacklist racks by setting the disable flag on a rack and submitting node requests for nodes under it.
By which I mean: it would still be possible to blacklist racks by setting the disable flag on a rack and submitting *no" node requests for nodes under it.
> Make it possible to specify hard locality constraints in resource requests
> --------------------------------------------------------------------------
>
> 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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