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Posted to dev@rocketmq.apache.org by GitBox <gi...@apache.org> on 2022/03/11 02:27:27 UTC

[GitHub] [rocketmq] ni-ze commented on issue #3953: Change Retry-Queue Num Will Cause Retry-Message Loss

ni-ze commented on issue #3953:
URL: https://github.com/apache/rocketmq/issues/3953#issuecomment-1064708984


   use updateTopic command to change read queue num or write queue num of topic, such as fellow:
   ```java
   sh bin/mqadmin updateTopic -n 1xxx -c xxx -t  %RETRY%xxxx -r 2 -w 2
   ```
   
   updateSubGroup command also effective, but this command is against group. It need you delete retry-topic firstly and wait created by heat beat.
   


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