欢迎来到Riguz的小站！这是一个私人wiki，用来记录一些我的笔记。
Redis将所有key-value放在内存中，因此总大小不能超过内存的容量。
Redis includes the redis-benchmark utility that simulates running commands done by N clients at the same time sending M total queries (it is similar to the Apache's ab utility).
