四、Headers exchange A headers exchange is designed to for routing on multiple attributes that are more easily expressed as message headers than a routing key. Headers exchanges ignore the routing key attribute. Instead, the attributes used for routing are taken from the headers attribute. A messag...
This is the fourth installment to the series: RabbitMQ for Windows. In thelast installment, we reviewed our Hello World example and introduced the concept of Exchanges. In this installment, we’ll discuss the four basic types of RabbitMQ exchanges. Exchange Types Exchanges control the routing of...
Headers exchanges can be looked upon as "direct exchanges on steroids". Because they route based on header values, they can be used as direct exchanges where the routing key does not have to be a string; it could be an integer or a hash (dictionary) for example. 其实除了上面四种以外还有...
Classic Queues in RabbitMQ use an on-disk message store to persist actual message payloads. Alongside the message store, there's an on-disk index for each queue. This index tracks the location of messages in the message store and their position in the queue. In version 2 of Classic Queues...
RabbitMQ各种交换机类型Exchange Types介绍 最新版本的RabbitMQ有四种交换机类型,分别是Direct exchange、Fanout exchange、Topic exchange、Headers exchange。 Direct Exchange– 处理路由键。需要将一个队列绑定到交换机上,要求该消息与一个特定的路由键完全匹配。这是一个完整的匹配。如果一个队列绑定到该交换机上要求...