系统的请求量突然增大数倍怎么办？ - 简书



系统的请求量突然增大数倍怎么办？ - 简书

一般的业务服务系统大体上就是通过网络远程对DB进行读写。如果流量突然飙大，总有一个资源会遇到瓶颈。按照经验大概出问题地方是DB磁盘io、CPU、带宽、连接数、内存其中的一个或几个。不同的业务，不同的系统设计，出问题的地方会有所不同。如果流量增大数倍，势必某个资源会在瞬间被榨干，然后所有的服务都会"开小差"，引起用户的抱怨。而解决问题的关键，是在问题发生时，尽量减少出问题的资源被访问。


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