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在初创型互联网公司中，开发们整天想的唯一一件事，就是“把功能做出来”。而当公司业务量逐渐上涨、甚至翻了好几番之后，最开始的程序上的问题，就一个接一个地暴露了出来。其中，最明显的，就是数据库的压力问题。下文提到的数据库，都指RDS for MYSQL。场景一：宽表现象开发在设计表结构的时候，很大...

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