Botong Huang created YARN-8481:
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             Summary: AMRMProxyPolicies should accept heartbeat response from 
new/unknown subclusters
                 Key: YARN-8481
                 URL: https://issues.apache.org/jira/browse/YARN-8481
             Project: Hadoop YARN
          Issue Type: Bug
            Reporter: Botong Huang
            Assignee: Botong Huang


Currently BroadcastAMRMProxyPolicy assumes that we only span the application to 
the sub-clusters instructed by itself via _splitResourceRequests_. However, 
with AMRMProxy HA, second attempts of the application might come up with 
multiple sub-clusters initially without consulting the AMRMProxyPolicy at all. 
This leads to exceptions in _notifyOfResponse._ It should simply allow the 
new/unknown sub-cluster heartbeat responses. 



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