目录

技术文章推荐

邮箱

邮箱服务器IP被屏蔽:https://docs.ksyun.com/documents/1484 http://www.openrbl.org

Hadoop

豆瓣图书推荐系统:https://blog.csdn.net/Gamer_gyt/article/details/51597660

网站架构

YouTube网站架构:https://blog.csdn.net/luqin1988/article/details/8983569