消息队列RocketMQ版底层-阿里云

消息中间件mq的比较：含RocketMQ、RabbitMQ、Kafka； rocketmq底层封装

消息中间件mq的比较：含RocketMQ、RabbitMQ、Kafka共同点都是消息队列，有mq的特性队列（先进先出原则）RocketMQ吞吐量经过了双十一的检验，比RabbitMQ好。阿里开发的，阿里系用的比较多些。RabbitMQRabbitMQ采用Erlang语言开发，是实现高级消息队列协议的...

深入学习RocketMQ之底层解析

RocketMQ生产者核心详解核心参数详解ProducerGroup：组名在一个应用里面是唯一的。CreateTopicKey：实际生产中不会使此参数进行生产者创建Topic。defaultTopicQueueNums：默认大小为4，一个topic下默认挂载的是四个队列。sendMsgTimeout...

Kafka和RocketMQ底层存储之那些你不知道的事（下）

RocketMQ 和 Kafka 的应用RocketMQ采用Topic混合追加方式，即一个 CommitLog 文件中会包含分给此 Broker 的所有消息，不论消息属于哪个 Topic 的哪个 Queue 。所以所有的消息过来都是顺序追加写入到 CommitLog 中，并且建立消息对应的 Cosu...

Kafka和RocketMQ底层存储之那些你不知道的事（上）

大家好，我是yes。我们都知道 RocketMQ 和 Kafka 消息都是存在磁盘中的，那为什么消息存磁盘读写还可以这么快？有没有做了什么优化？都是存磁盘它们两者的实现之间有什么区别么？各自有什么优缺点?今天我们就来一探究竟。存储介质-磁盘一般而言消息中间件的消息都存储在本地文件中，因为从效率来看直...

在 Spring 生态中玩转 RocketMQ中Bus 的底层分析牵扯到哪些方面？

RocketMQ底层通信机制

分布式系统各个角色间的通信效率很关键，通信效率的高低直接影响系统性能，基于Socket实现一个高效的Tcp通信协议是个很有挑战的事情，本节说明RocketMQ是如何解决这个问题的 1.1.1 Remoting模块RocketMQ的通信相关代码在Remoting模块里，先来看看主要类结构。 Remot...

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更新时间 2022-12-14 10:06:29

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