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前言在某些业务场景下是需要消息按照顺序进行消费，比如一个账户的加钱，减钱的动作必须按照时间先后去执行，否则就会发生金额不够导致操作失败。顺序消息故名知意就是消息按照发送的顺序进行消费，队列本身是一种先进先出的数据结构，而RocketMQ理论上说也遵循这种机制。但是默认生产者以Round Robin轮...

四.RocketMQ极简入门-RocketMQ顺序消息发送

前言在某些业务场景下是需要消息按照顺序进行消费，比如一个账户的加钱，减钱的动作必须按照时间先后去执行，否则就会发生金额不够导致操作失败。顺序消息故名知意就是消息按照发送的顺序进行消费，队列本身是一种先进先出的数据结构，而RocketMQ理论上说也遵循这种机制。但是默认生产者以Round Robi...

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Apache RocketMQ：如何从互联网时代演进到云

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RocketMQ入门到入土（二）事务消息&顺序消息

一、事务消息的由来1、案例引用官方的购物案例：小明购买一个100元的东西，账户扣款100元的同时需要保证在下游的积分系统给小明这个账号增加100积分。账号系统和积分系统是两个独立是系统，一个要减少100元，一个要增加100积分。如下图：2、问题账号服务扣款成功了，通知积分系统也成功了，但是积分增加的...

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