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https://issues.apache.org/jira/browse/YARN-392?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13622765#comment-13622765
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Sandy Ryza commented on YARN-392:
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[~acmurthy], that makes sense to me. We can use this one for FS and YARN-398
for CS? Do you think this should go into FIFO as well?
[~bikassaha], if we went with your proposal, would it not make sense to go with
the convention used in the FS/CS already, in which the locality delay is a
fraction of the cluster size? In your proposal, if I want a node-local
container at node1, would I specify the locality delay on the request for node1
or on the request for the rack that node1 is on?
> 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.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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