michaeljmarshall commented on a change in pull request #12215:
URL: https://github.com/apache/pulsar/pull/12215#discussion_r717210724



##########
File path: 
pulsar-broker/src/main/java/org/apache/pulsar/broker/admin/impl/PersistentTopicsBase.java
##########
@@ -632,25 +632,29 @@ protected void 
internalDeletePartitionedTopic(AsyncResponse asyncResponse, boole
                     return;
                 }
             }
+            // Only tries to delete the authentication policies for 
partitioned topic when all its partitions are
+            // successfully deleted
+            
pulsar().getBrokerService().deleteTopicAuthenticationWithRetry(topicName.toString());

Review comment:
       Are we able to make an atomic update to ZooKeeper here? The semantics 
here are at-most-once, so failure would lead to corrupted zk state that will 
never be cleaned up.
   
   Note that with the current design, it is possible for this method to succeed 
while the `asyncResponse` completes without exception.




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