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RabbitMQ(六)消息的持久化_rabbittemplate.convertandsend设置持久化消息-CSDN博客
1.1 定义 持久化: 是为了提高 RabbitMQ 消息的可靠性,防止在异常情况(重启、宕机)下数据的丢失。 RabbitMQ 持久化分为三部分:交换机的持久化、队列的持久化、消息的持久化。 1.2 消息丢失的场景 出现消息丢失的场景有: 生产者发送消息丢失:发送消息到 RabbitMQ Server 异常。 可能因为网络问题造成 RabbitMQ 服务端无法收到消息。——解决方案:ConfirmCallback 生产者发送消息丢失:消息无法路由到指定队列。 可能由于代码层面或配置层面错误导致消息路由到指定队列失败。——解决方案:ReturnCallback RabbitMQ Server 存储消息丢失:消息未完全持久化到磁盘。 可能因为 RabbitMQ 宕机导致消息未完全持久化,或队列丢失从而导致消息丢失等持久化问题。——解决方案:集群部署,实现高可用 消费者消费消息丢失:消费者消费消息异常。 可能在消费者接收消息后,还没来得及消费消息,消费者就发生宕机、故障等问题。——解决方案:消费端手动确认消息 方式一:直接 new 直接实例化对应的 Exchange...
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