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From "Panagiotis Garefalakis (JIRA)" <j...@apache.org>
Subject [jira] [Created] (YARN-7653) Node group support for AllocationTagsManager
Date Wed, 13 Dec 2017 22:06:00 GMT
Panagiotis Garefalakis created YARN-7653:
--------------------------------------------

             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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