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一、DelayExchange插件使用死信队列可以实现延迟消息，但这种方法过于繁琐。为了简化这一过程，RabbitMQ的官方推出了一款插件，该插件原生支持延迟消息功能。该插件的运作原理是设计了一种特殊的交换机，当消息投递到这种交换机时，它能够暂存一段时间，直到达到设定的延迟时间后再将消息投递到相应...

RabbitMQ入门指南(十)：延迟消息-死信交换机

一、死信交换机死信交换机在 RabbitMQ 中是一个非常重要的概念，它主要用于处理那些在队列中无法正常处理的消息。 1.死信的定义在 RabbitMQ 中，当一个消息在队列中满足以下条件时，它会被标记为死信：消费者使用 basic.reject 或 basic.nack 命令声明消费失败，并...

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RabbitMQ从入门到进阶（初始延迟队列）

七、延迟队列7.1 延迟队列概念延时队列,队列内部是有序的，最重要的特性就体现在它的延时属性上，延时队列中的元素是希望在指定时间到了以后或之前取出和处理，简单来说，延时队列就是用来存放需要在指定时间被处理的元素的队列。7.2 延迟队列使用场景订单在十分钟之内未支付则自动取消新创建的店铺，如果在十天内...

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