分享 GitHub: Scaling on Ruby, with a nomadic tech team
https://medium.com/s-c-a-l-e/github-scaling-on-ruby-with-a-nomadic-tech-team-4db562b96dcd
this is actually a really pragmatic set of hackers that just hack on Ruby, hack on C and spend their time working on more interesting things using a more stable stack, rather than chasing after the latest and shiny tech.
github 有一千万的用户，github.com 用的是 Rails 和 MySQL，有用 redis，关键是非常快。 技术上比较保守，没用什么高大上的技术。