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mybatis-sharding's Introduction

背景

几年前,由于我们需要做影像存储系统重构,db层需要做到线性扩展,那么分库是必然要做的(分512个库)，我调研了市面上很多分库插件,都没有找到我们需要的产品。 先看看我们的定位

  • 1、轻量级
  • 2、支持多数据库共用数据源(例如000-255一组, 256-511一组,每组共用一套数据源)
  • 3、连接池是到实例的,而不是到库的(例如000-255号库共用连接池)
  • 4、显示调用(有些分库插件喜欢所谓的无缝对接,但是对于分库,我们希望"心中有佛") 后来我也研究过mybatis插件来实现,调研了3天最终无果。由于项目紧急无奈最后只有放弃,后来采用了包装jdbcTemplate的方式来实现(未开源)。

时至今日,最近在写关于《浅谈千万级系统重构》 系列文章,又重新来调研关于mybatis分库分表，最终找到了解决之道！

设计思路

请关注“浅谈架构” 公众号查看

bytearch

or 技术博客

《浅谈mysql分库分表那些事儿》

mybatis-sharding's People

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