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From "Arun Suresh (JIRA)" <j...@apache.org>
Subject [jira] [Created] (YARN-7682) Expose canAssign method in the PlacementConstraintManager
Date Mon, 25 Dec 2017 18:56:00 GMT
Arun Suresh created YARN-7682:
---------------------------------

             Summary: Expose canAssign method in the PlacementConstraintManager
                 Key: YARN-7682
                 URL: https://issues.apache.org/jira/browse/YARN-7682
             Project: Hadoop YARN
          Issue Type: Sub-task
            Reporter: Arun Suresh
            Assignee: Panagiotis Garefalakis


As per discussion in YARN-7613. Lets expose {{canAssign}} method in the PlacementConstraintManager
that takes a sourceTags, applicationId, SchedulerNode and AllocationTagsManager and returns
true if constraints are not violated by placing the container on the node.

I prefer not passing in the SchedulingRequest, since it can have > 1 numAllocations. We
want this api to be called for single allocations.





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