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Asked: 2026-05-11T14:41:39+00:00

I’m using ActiveMQ with the C# client library. I created 10,000 topics with random

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I’m using ActiveMQ with the C# client library. I created 10,000 topics with random names as part of a test for evaluation purposes and now I can’t get rid of the topics. ActiveMQ grinds to a halt with this number of topics so I need them out of the system. Here is what I have tried so far, and none of it has worked. I’m running ActiveMQ as a Windows service.

  • Delete all of the files and folders in ACTIVEMQ_HOME\Data
  • Turn off all persistence
  • Delete all of the files and folders in the persistence folder
  • Delete the entire ACTIVEMQ_HOME directory and reinstall it in a different folder

I’ve traced the file activity and cannot find any file that is written to when a topic is created or deleted.

I realize that the .NET client library is a little light on functionality, so I can’t even get a list of all the topics programmatically.

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1 Answer

  1. Go to your broker configuration file, open the file for editing on the broker element, add the following attribute: 

    deleteAllMessagesOnStartup='true'

    This will cause all previous topics & queues, and their pending messages to be deleted from your kaha store when you restart your broker.

    Have Fun!

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