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Posted to dev@rocketmq.apache.org by GitBox <gi...@apache.org> on 2021/04/25 07:45:38 UTC

[GitHub] [rocketmq] ChenYilei2016 commented on issue #2837: 多个Consumer会因为延迟等原因被分配同一个consumeQueue吗

ChenYilei2016 commented on issue #2837:
URL: https://github.com/apache/rocketmq/issues/2837#issuecomment-826275975


   > 顺序消息要保证每个queue里面的消息被顺序消费，因此需要保证增加或减少消费者实例时，需要重新负载均衡时，只能有一个消费者实例分配到这个queue。并发消费不需要保证顺序性，因此不需要lock
   
   也就是说 会存在多个consumer 同时消费一个queue的情况吧? 


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