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Posted to commits@pulsar.apache.org by GitBox <gi...@apache.org> on 2019/04/24 10:34:34 UTC

[GitHub] [pulsar] sijie opened a new issue #4118: Provide the ability to redeliver unacked messages only for Exclusive and Failover subscriptions

sijie opened a new issue #4118: Provide the ability to redeliver unacked messages only for Exclusive and Failover subscriptions
URL: https://github.com/apache/pulsar/issues/4118
 
 
   **Is your feature request related to a problem? Please describe.**
   
   Currently when redeliverUnacked was triggered, Pulsar redelivers the messages starting from the first unacked messages for Exclusive and Failover subscriptions. It would be great to provide an option to allow consumers to redeliver only unacked messages (aka allow out-of-order deliveries during redeliverUnack)
   
   **Describe the solution you'd like**
   
   Use the similar mechanism used by Shared subscription for Exclusive and Failover Subscription.
   
   **Describe alternatives you've considered**
   
   N/A. If people want to redeliever only unacked messages, only shared subscription can be used.
   

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