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Side question, does GitHub run ruby on rails? If so, I'm pretty impressed.

• wyaeld 12y ago
  They do, but a real ruby on rails site typically serves most html content out of memcache, even higher for users that aren't logged into the platform. Its not unknown to see 5-10ms response times in those scenarios
• pmontra 12y ago
  They are on Rails 3 which is pretty old for Rails standards and they got there recently. See http://shayfrendt.com/posts/upgrading-github-to-rails-3-with-zero-downtime/ http://shayfrendt.com/posts/upgrading-github-to-rails-3-with... This is their architecture in 2009 https://github.com/blog/530-how-we-made-github-fast https://github.com/blog/530-how-we-made-github-fast Couldn't find anything more recent.