Table of Contents
背景
限流的使用场景
想法和实现
Home Database Mysql Tutorial 使用 redis 做限流

使用 redis 做限流

Jun 07, 2016 pm 04:39 PM
redis use background Limiting

背景 事情是这样来的,最近2天 tool.lu 的 uv 并没有大幅的增长,但是 pv 的涨幅却很大,造成服务器的 load 一度超过了 20,想必是被攻击,做过php-fpm的优化,收效甚微。故想到了限流 限流的使用场景 API的调用次数限制 防止频繁刷新 etc... 想法和实现 其

背景

事情是这样来的,最近2天 tool.lu 的 uv 并没有大幅的增长,但是 pv 的涨幅却很大,造成服务器的 load 一度超过了 20,想必是被攻击,做过php-fpm的优化,收效甚微。故想到了限流

限流的使用场景

  1. API的调用次数限制
  2. 防止频繁刷新
  3. etc...

想法和实现

其实我是参考了下面这篇文章的实现,至于为什么要这么做,我的考虑跟他文章中提到的是一致的,可以查看原文

Rate limiting with Redis

原文中提供了大段的文字说明,于是我根据他的说明,做了一幅图,仅供参考:

design.jpg

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