DsReplicaSync as implemented currently is triggering all outbound notification rather than inbound replication that was requested as a priority. It also has a built-in 1sec delay that is not needed.
Created attachment 13419 [details] patch for 4.7 cherry-picked from master
Created attachment 13420 [details] patch for 4.7 cherry-picked from master (correct patch this time)
closing 4.7 sees not more patches