浅析海量用户的分布式系统设计(1) - 云+社区 - 腾讯云



浅析海量用户的分布式系统设计(1) - 云+社区 - 腾讯云

我们常常会听说,某个互联网应用的服务器端系统多么牛逼,比如QQ拉、微信拉、淘宝拉。那么,一个互联网应用的服务器端系统,到底牛逼在什么地方?为什么海量的用户访问,会让一个服务器端系统变得更复杂?本文就是想从最基本的地方开始,探寻服务器端系统技术的基础概念。

承载量是分布式系统存在的原因

当一个互联网业务获得大众欢迎的时候,最显著碰到的技术问题,就是服务器非常繁忙。当每天有1000万个用户访问你的网站时,无论你使用什么样的服务器硬件,都不可能只用一台机器就承载的了。因此,在互联网程序员解决服务器端问题的时候,必须要考虑如何使用多台服务器,为同一种互联网应用提供服务,这就是所谓"分布式系统"的来源。


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