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                ## rabbitmq消息可靠性 ### 1.持久化 * exchange 要持久化 * queue 要持久化 * message 要持久化 #### 2.生產方確認Confirm和回退return #### 3.消費方確認 ACK #### 4.Broker高可用 ***** 生產方確認`Confirm`步驟 ~~~ * 發送消息確認模式 * 步驟: * 1.配置文件確認模式開啟: connectionFactory中開啟 publisher-confirms="true" * 2.在rabbitTemplate定義ConfirmCallBack ~~~ ***** 生產方回退`return` ~~~ * 發送消息 回退模式:當消息發送給Exchange后,Exchange路由到Queue失敗時才會執行ReturnCallBack * 步驟: * 1.開啟回退模式: publisher-returns="true" * 2.設置ReturnCallBack * 3.設置Exchange處理消息的模式 * 1)如果消息沒有路由到Queue,則丟棄消息(默認) * 2)如果消息沒有路由到Queue,返回給消息發送方ReturnCallBack ~~~
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