云消息队列 MQ原理的相关内容

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DefaultMQPushConsumerImpl拉取消息首先，DefaultMQPushConsumerImpl 是一个实现了 RocketMQ 的消费者客户端接口的类。该类的主要作用是从 RocketMQ 的 Broker 获取消息并进行消费。主要可以通过pullMessage方法进行获取对...

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背景介绍文件索引，是存储设计的关键，一个好的索引，应该能够在最短的时间里，找到你想要的数据，同时，还能尽量少的使用内存或磁盘空间。但是这里说的索引并不是指MySQL或者NoSQL这些数据库索引，而是MQ中间件的索引。相对而言较为简单的MQ索引。我们可以通过研究MQ的索引，看看他们为何如此设计，我...

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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【Spring云原生系列】Spring RabbitMQ：异步处理机制的基础--消息队列原理讲解+使用教程

在认识消息队列之前我想有必要说明什么是异步处理今天是女神节现在我们的坤坤很希望约他的女神出来当然结果不尽人意...

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最近工作室的一个业务跟另一个业务合并自然要用到MQ（消息队列Message Queue）那么很显然就要部署个RabbitMQ到服务器上了我们用的是云托管的的服务那自然是部署中间件到云服务上去了服务是一路开通结果到了需要调试的时候怎么也连不上（说是内网直连，但关键是同事...

精华推荐 | 【深入浅出RocketMQ原理及实战】「性能原理挖掘系列」透彻剖析贯穿RocketMQ的事务性消息的底层原理并在分析其实际开发场景

什么是事务消息事务消息（Transactional Message）是指应用本地事务和发送消息操作可以被定义到全局事务中，要么同时成功，要么同时失败。RocketMQ的事务消息提供类似 X/Open XA 的分布事务功能，通过事务消息能达到分布式事务的最终一致。事务消息所对应的场景在一些对数据...

[帮助文档] 消费重试_云消息队列 RocketMQ 5.x系列_云消息队列 RocketMQ 版(RocketMQ)

消费者出现异常，云消息队列 RocketMQ 版会根据消费重试策略重新投递该消息进行故障恢复。本文介绍消费重试的应用场景、原理机制、版本兼容性和使用建议。

微服务轮子项目（33） -RocketMQ特点、安装部署、异常处理、事务消息原理

1. Rocket概述消息队列作为高并发系统的核心组件之一，能够帮助业务系统解构提升开发效率和系统稳定性。主要具有以下优势：削峰填谷：主要解决瞬时写压力大于应用服务能力导致消息丢失、系统奔溃等问题系统解耦：解决不同重要程度、不同能力级别系统之间依赖导致一死全死提升性能：当存在一对多调用时，可以发一条...

消息中间件第八讲：消息队列 RocketMQ 版实战、集群及原理

1、MQ实例详情实例名称：ZMQ_INSTANCE_3实例描述：承接DEFAULT_INSTANCE实例需求外溢的业务MQ需求-depart3创建时间：2022年3月24日 14:50:58共享TPS弹性上限 5000次/秒数据统计1、API累计调用次数712万次Topic如下所示举例：topic名...

[帮助文档] 开源RocketMQ集群迁移上云有哪些方案,是什么原理

和开源Apache RocketMQ相比，阿里云云消息队列 RocketMQ 版具有更高的稳定性、安全性及更完善的运维体系。您可以将开源RocketMQ集群迁移到云消息队列 RocketMQ 版上以获得更好的业务体验，本文为您介绍开源RocketMQ集群迁移上云的方案及原理。

从原理到实战，手把手教你在项目中使用RabbitMQ

RabbitMQ 的文章之前写过，但是当时给的示例是 Demo 版的，这篇文章主要是结合之前写的理论知识，将 RabbitMQ 集成到技术派项目中。话不多说，上文章目录：下面我们先回顾一下理论知识，如果对这块知识已经清楚的同学，可以直接跳到实战部分。1. 消息队列1.1 消息队列模式消息队列目前主要...

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