缓存数据库mysql 的相关内容

阿里云文档 2025-07-17

RDS MySQL写入数据报错Error 1406: Data too long for column

Error 1406: Data too long for column问题描述在RDS MySQL数据库中写入数据时，出现如下报错：Error 1406: Data too long for column 'xxx'问题原因字段长度限制当表结构中定义的字段为字符类型（如CHAR或VARCHAR），...

阿里云文档 2025-07-11

MySQL系列的数据库实例作为源端或目标端

本文为您介绍数据传输服务DTS（Data Transmission Service）支持的以MySQL系列（MySQL、PolarDB for MySQL、Mariadb、OceanBase（MySQL）、PolarDB-X 2.0）数据库实例为源端或目标端的任务。

阿里云文档 2025-07-09

RDS多可用区部署实例SLA提升

RDS高可用系列和集群系列多可用区部署实例的服务等级协议SLA提升至99.995%~99.997%。

阿里云文档 2025-07-08

RDS MySQL使用gh-ost出现“Scan error on column index 0”报错的解决方法

问题描述在RDS MySQL中使用gh-ost做DDL无锁变更时，可能会出现类似报错：Scan error on column index 0, name "@@global.port": converting NULL to int is unsupported。在RDS MySQL中使用gh-o...

阿里云文档 2025-06-25

Spring应用RDS数据源账密运行时轮转

本文档介绍如何在Spring应用中实现RDS数据源账密的运行时轮转，通过集成KMS与Nacos，实现数据库凭据的加密托管、动态更新与无缝切换，保障应用在凭据变更过程中的安全与稳定。

文章 2025-03-16 来自：开发者社区

缓存与数据库的一致性方案，Redis与Mysql一致性方案，大厂P8的终极方案（图解+秒懂+史上最全）

说在前面在40岁老架构师尼恩的读者交流群(50+)中，最近有小伙伴拿到了一线互联网企业如阿里、滴滴、极兔、有赞、希音、百度、网易、美团的面试资格，遇到很多很重要的redis一致性面试题，类似如下：如何保障 MySQL 和 Redis 的数据一致性？如何保障 MySQL 和 Cache 的数据一致性？双十一大促中，如何保证Redis与MySQL的最终一致性？若因网...

文章 2023-09-19 来自：开发者社区

课时3：通过缓存来加速数据库访问（MySQL+Redis）

Redis入门训练营：课时3：通过缓存来加速数据库访问（MySQL+Redis）课程地址：https://developer.aliyun.com/trainingcamp/5fd706c381604c09bebaf774a6290c5a?spm=a2cwt.28190922.J_8357884230.1.1e817127ycWQyx通过缓存来加速数据库访问（MySQL+Redis） ....

问答 2022-04-15 来自：开发者社区

数据访问层（DAL）怎么优雅的协调存取缓存数据库（如redis）和持久数据库（如mysql）？

假设dal用php举例。原来使用php单独操作mysql，现在需要压榨服务器，考虑增加一个redis，但同时面对两个数据源的存取策略产生了疑惑，希望帮助梳理一下。用伪代码解释一下更好

问答 2022-04-15 来自：开发者社区

DAL如何协调存取缓存数据库redis和持久数据库mysql？

假设dal用php举例。原来使用php单独操作mysql，现在需要压榨服务器，考虑增加一个redis，但同时面对两个数据源的存取策略产生了疑惑，希望帮助梳理一下。用伪代码解释一下更好，谢谢。

文章 2022-02-17 来自：开发者社区

如何保证缓存(redis)与数据库(MySQL)的一致性

【说明】对于热点数据（经常被查询，但不经常被修改的数据），我们可以将其放入redis缓存中，以增加查询效率，但需要保证从redis中读取的数据与数据库中存储的数据最终是一致的。本文基于“孤独烟”与“58沈剑”两位的文章，针对一致性的问题进行了汇总总结，两位的原文链接见文末。【前言】客户端对数据库中的数据主要有两类操作，读(select)与写(DML)。针对放入redis中缓存的热点数....

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