zhanghang91 commented on issue #11866:
URL: https://github.com/apache/pulsar/issues/11866#issuecomment-1289094377

   > The reason is probably related to the caching of metadata in brokers and 
that the the different requests are hitting different brokers.
   > 
   > When you delete all topics, when you get the 200 responses, all the topics 
are gone. That will trigger notification to all brokers to update their cached 
views.
   > 
   > If the the delete namespace ends up in a different broker, its cache might 
still not have been updated.
   > 
   > There are some possible improvements there, but it can also be a bit 
dangerous to let some operations to bypass caches, as it could potentially lead 
to high load on Zookeeper.
   
   
   I got the same problem as above, and could you tell me how to resolve this 
problem? 


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