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https://issues.apache.org/jira/browse/YARN-752?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Sandy Ryza updated YARN-752:
----------------------------
Summary: In AMRMClient, automatically add corresponding rack requests for
requested nodes (was: Throw exception if AMRMClient.ContainerRequest is given
invalid locations)
> In AMRMClient, automatically add corresponding rack requests for requested
> nodes
> --------------------------------------------------------------------------------
>
> Key: YARN-752
> URL: https://issues.apache.org/jira/browse/YARN-752
> Project: Hadoop YARN
> Issue Type: Improvement
> Components: api, applications
> Affects Versions: 2.0.4-alpha
> Reporter: Sandy Ryza
> Assignee: Sandy Ryza
>
> A ContainerRequest that includes node-level requests must also include
> matching rack-level requests for the racks that those nodes are on. At the
> very least, an exception should be thrown if one is constructed with a
> non-empty set of nodes but an empty set of racks.
> If possible, it would also be nice to validate that the given nodes are on
> the racks that are given. Although if that is possible, then it might be
> even better to just automatically fill in racks for nodes.
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