自顶向下学习云消息队列 MQ 的相关内容

自顶向下学习 RocketMQ（九）：回溯消费

定义“回溯消费是指 Consumer 已经消费成功的消息，由于业务上需求需要重新消费，要支持此功能，Broker 在向 Consumer 投递成功消息后，消息仍然需要保留。并且重新消费一般是按照时间维度，例如由于 Consumer 系统故障，恢复后需要重新消费 1 小时前的数据，那么 Broker ...

自顶向下学习 RocketMQ（六）：定时消息

定义和原理定时消息（延迟队列）是指消息发送到 broker 后，不会立即被消费，等待特定时间投递给真正的 topic。broker 有配置项 messageDelayLevel，默认值为 1s 5s 10s 30s 1m 2m 3m 4m 5m 6m 7m 8m 9m 10m 20m 30m 1h...

RocketMQ 5.0学习资料

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Apache RocketMQ：如何从互联网时代演进到云

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带您快速了解阿里云消息队列RocketMQ 5.0版

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自顶向下学习 RocketMQ（四）：顺序消息

顺序消息顺序消息是消息队列 RocketMQ 提供的一种对消息发送和消费顺序有严格要求的消息。对于一个指定的 Topic，消息严格按照先进先出（FIFO）的原则进行消息发布和消费，即先发布的消息先消费，后发布的消息后消费。顺序消息分为分区顺序消息和全局顺序消息分区顺序消息“分区顺序对于指定的...

自顶向下学习 RocketMQ（二）SpringCloud 整合 RocketMQ

why上文中我们讨论了 RocketMQ 的安装问题，有些重要的问题忘了说，即：为什么要用消息队列消息队列有什么用？用了消息队列有什么好处？来讨论为什么之前，先来看一下消息模型，即 “是什么？”，我们引用 RocketMQ 的消息模型：“RocketMQ 主...

自顶向下学习 RocketMQ（一）: QuickStart

安装部署 RocketMQ采用源码编译安装，注意请提前将 maven 安装调试好。操作系统 macOSRocketMQ 版本：4.9.2Maven 版本 3.3.9JDK 版本 1.8.0_181以下安装是单 Master 模式，非集群模式，仅适用于本地开发和测试环境。下载源码包wget https...

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