Varun Vasudev created YARN-4344:

             Summary: NMs reconnecting with changed capabilities can lead to 
wrong cluster resource calculations
                 Key: YARN-4344
             Project: Hadoop YARN
          Issue Type: Bug
          Components: resourcemanager
    Affects Versions: 2.6.2, 2.7.1
            Reporter: Varun Vasudev
            Assignee: Varun Vasudev
            Priority: Critical

After YARN-3802, if an NM re-connects to the RM with changed capabilities, 
there can arise situations where the overall cluster resource calculation for 
the cluster will be incorrect leading to inconsistencies in scheduling.

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