Re: [I] 开启5个子线程发送5条MQ消息，MqttConsumer 只能收到4条或者更少，必现。 [rocketmq-mqtt]

[via GitHub]

lzkisok commented on issue #215:
URL: https://github.com/apache/rocketmq-mqtt/issues/215#issuecomment-1782243031

   
![企业微信截图_5869c60d-1567-4de2-bb0b-d38c9f19afa1](https://github.com/apache/rocketmq-mqtt/assets/24490175/1c75817a-a9ec-40aa-afee-2a98c8116d66)
   这是rockemq的代码，这里这个topicQueueKey 
是topic+queneid，当一个消息被发送到两个quene的时候，defaultMessageStore.assignOffset(msg);这行代码没有被锁住


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