[GitHub] [pulsar] jiazhai commented on issue #4824: Regex patten based topic consumers prevent topic deletion

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jiazhai commented on issue #4824: Regex patten based topic consumers prevent topic deletion
URL: https://github.com/apache/pulsar/issues/4824#issuecomment-518147163
 
 
   @AnandSinha，Yes, from my view, it is better to unsub the topic first, then do a clean topic delete, instead of delete topic by force. user could get all the subscriptions information from topics stats/stats-internal. 
   
   As @sijie mentioned, by default, topics will be auto-created if consumer/producer get reconnect. This is not in the scope of "regex subscription", even a consumer that subscribed on a dedicated topic will also re-create topic once it is deleted. If user don't want to see the topic again, he need first un-sub all consumers, and close all producers.
   

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