About This Title Pages: 250 Published: September 2025 ISBN: 9798888651025 In Beta Rails Scales! Practical Techniques for Performance and Growth by Cristian Planas Rails doesn’t scale. So say the naysayers. They’re wrong. Ruby on Rails runs some of the biggest sites in the world, impacting the lives of millions of users while efficiently crunching petabytes of data. This book reveals how they do it