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RocketMQ?????????????

1. ????

RocketMQ??? Producer?Broker?Consumer ??????

• Producer??????????????????
• Broker????????????????Broker??????????Broker??????Topic????
• Message Queue?????????????Topic?????????????Broker??
• Consumer Group????Consumer????????????
• Topic??????????????????RocketMQ????????????

2. ??????Producer?

????

• ???????Broker???????
• ????????Broker???
• ???????????????
• ????????????????

??

• ???????????????????????????
• ???????????Broker????????????????????

3. ??????Consumer?

????

• ????????????????????????
• ??????Broker???????????????????

??

• ??????????????????????
• ????????????
  • ??????????????
  • ????????????????

4. ????

????

• ?????????????????
• ?????????ACK?????Broker?
• ????????Broker????????

????

• RocketMQ???????????????????
• ?????????????????????????????????
• ????????????????????????

5. ??????

??????????

6. ??????

????

• ?????????16???????????
• ????????????????

?????

• RocketMQ??????????????????????
• ???????MessageId???????????

7. ??????

??

• ?????????????????
• ?????%DLQ%+ConsumGroup?
• ??????3????????????
• ?????????????

8. ??????

Producer????

• ??????Topic?MessageQueue???????????
• ???MessageQueueSelector??????????

Consumer????

• ?????????????????
• ????????????????
• ??????????????????????????

?????????????RocketMQ?????????????