消息队列消息-阿里云

[帮助文档] 微消息队列MQTT的消息收发示例

云消息队列 MQTT 版支持使用多种语言的SDK接入服务端实现消息收发，本文以Java为例介绍不同场景下的消息收发流程。

带您快速了解阿里云消息队列RocketMQ 5.0版

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消息队列RabbitMQ入门课程

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消息队列Kafka入门课程

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[帮助文档] SOFAStack消息队列如何进行消息查询

如遇消息消费有问题，则可通过查询具体发送的消息内容来排查问题。SOFAStack 消息队列提供了三种消息查询的方式，分别是按 Message ID、Message Key 以及 Topic 查询。

同步异步调用，并谈谈消息队列mq；RocketMQ发送消息和消费消息测试类

同步调用优点：时效性强，打电话、直播，很快可以得到结果同步调用的问题：耦合度高性能和吞吐能力差有额外的资源消耗有级联失败的问题异步：对高并发有要求的功能使用异步优点：耦合度低性能和吞吐能力高流量削峰（对秒杀来说很重要）故障隔离缺点：异步时效性没有同步好依赖于Broker可...

5. 消息队列中，如何保证消息的顺序性？

5. 消息队列中，如何保证消息的顺序性？面试官心理分析其实这个也是用 MQ 的时候必问的话题，第一看看你了不了解顺序这个事儿？第二看看你有没有办法保证消息是有顺序的？这是生产系统中常见的问题。面试题剖析我举个例子，我们以前做过一个 mysql binlog 同步的系统，压力还是非常大的，...

消息队列中消息的格式｜学习笔记

开发者学堂课程【物联网开发- Linux 高级程序设计全套视频：消息队列中消息的格式】学习笔记，与课程紧密联系，让用户快速学习知识。课程地址：https://developer.aliyun.com/learning/course/660/detail/11046消息队列中消息的格式&n...

关于MQ的几件小事（六）消息积压在消息队列里怎么办

1.大量消息在mq里积压了几个小时了还没解决场景：几千万条数据在MQ里积压了七八个小时，从下午4点多，积压到了晚上很晚，10点多，11点多。线上故障了，这个时候要不然就是修复consumer的问题，让他恢复消费速度，然后傻傻的等待几个小时消费完毕。这个肯定不行。一个消费者一秒是1000...

RMQ消息队列目前支持哪几种类型的消息？

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