[GitHub] [rocketmq] Git-Yang opened a new issue #3473: [schedule] Optimize delayed message duplication

Tue, 09 Nov 2021 02:08:38 -0800 


Git-Yang opened a new issue #3473:
URL: https://github.com/apache/rocketmq/issues/3473


   1. Please describe the issue you observed:
   - Broker restart causes delayed message delivery duplication
   
   Reproduction process: 
   - Restart the broker when the delayed message is being delivered. 
      - Send 10w delayed messages：
   
![image](https://user-images.githubusercontent.com/30995057/140904133-aadb478f-a2c6-4bde-aaa2-788ecaff31cf.png)
      - Message actually received in topic:
   
![image](https://user-images.githubusercontent.com/30995057/140904092-3820a5f3-a45a-4e14-b94b-cd1b3c369e36.png)
   
   - What did you see instead?
   
   2. Please tell us about your environment:
   rocketmq develop
   
   3. Other information (e.g. detailed explanation, logs, related issues, 
suggestions how to fix, etc):
   - The offset is not persisted when ScheduleMessageService calls shutdown.


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