Sandy Ryza created YARN-752:
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Summary: Throw exception if AMRMClient.ContainerRequest is given
invalid locations
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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