[GitHub] [pulsar] lovelle opened a new pull request #3746: Bugfix prevent dup consumers for same topic subscription

[GitBox <gi...@apache.org>]

lovelle opened a new pull request #3746: Bugfix prevent dup consumers for same topic subscription
URL: https://github.com/apache/pulsar/pull/3746
 
 
   Fixes #3743 issue.
   
   Return previous instance of a consumer in the subscription processed should only
   be considered with the scope of the same topic.
   
   ### Modifications
   
     - Filter consumers for the same topic name.
     - Filter consumers which are connected to broker, this is not necessary to fix
       this issue but is a good thing to do.
     - Add test that verifies that same subscription will allow different consumers
       instance for different topics.
   
   ### Verifying this change
   
   - [ ] Make sure that the change passes the CI checks.
   

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