The real meat about how it was done is here: http://highscalability.com/blog/2009/9/22/how-ravelry-scales-to-10-million-requests-using-rails.html http://highsca

The real meat about how it was done is here: http://highscalability.com/blog/2009/9/22/how-ravelry-scales-to-10-million-requests-using-rails.html http://highscalability.com/blog/2009/9/22/how-ravelry-scales... and that info was taken from this interview: http://www.tbray.org/ongoing/When/200x/2009/09/02/Ravelry http://www.tbray.org/ongoing/When/200x/2009/09/02/Ravelry The linked article is just a summary.