Panagiotis Garefalakis created YARN-7653:
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Summary: Node group support for AllocationTagsManager
Key: YARN-7653
URL: https://issues.apache.org/jira/browse/YARN-7653
Project: Hadoop YARN
Issue Type: Sub-task
Reporter: Panagiotis Garefalakis
AllocationTagsManager currently supports node and cluster-wide tag cardinality
retrieval.
If we want to support arbitrary node-groups/scopes for our placement
constraints TagsManager should be extended to provide such functionality.
As a first step we need to support RACK scope cardinality retrieval (as defined
in our API).
i.e. how many "spark" containers are currently running on "RACK-1"
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