前言做C端相关业务，目前主流的关系型数据库在高并发的查询请求场景下，很难做到低延迟的高并发，甚至有可能被打挂。因此引入缓存中间件是一个常见的解决方案，但如何保证缓存与数据库的一致性，便成为了一个棘手的问题，这次我们拿常见的Mysql和Redis举例。正文保持缓存和数据库的一致性，最简单的做法就是直接...

文章 2022-02-17 来自：开发者社区

【分布式】数据库和缓存双写一致性方案解析

引言为什么写这篇文章？首先，缓存由于其高并发和高性能的特性，已经在项目中被广泛使用。在读取缓存方面，大家没啥疑问，都是按照下图的流程来进行业务操作。但是在更新缓存方面，对于更新完数据库，是更新缓存呢，还是删除缓存。又或者是先删除缓存，再更新数据库，其实大家存在很大的争议。目前没有一篇全面的博客，对这几种方案进行解析。于是博主战战兢兢，顶着被大家喷的风险，写了这篇文章。文章结构...

文章 2022-02-17 来自：开发者社区

分布式数据库与缓存双写一致性方案解疑

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