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[程序员] MySQL 处理亿级别的数据怎么做?

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面试的时候被问到这个.

面试官的问题是要设计一个交易所, 支持亿级别的 CRUD.

我被问住了, 我的有限经验 Postgres 接近过了亿级别, 就很有点慢了.

当时一直找不到好的解决办法.

我就说要 sharding 一下, 分库分表实际上也是 sharding 的思维.

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