New Relic has a series of videos on scaling Rails, several of which are about caching. They're a couple of years old but most of the concepts and method calls a

New Relic has a series of videos on scaling Rails, several of which are about caching. They're a couple of years old but most of the concepts and method calls are still valid. http://railslab.newrelic.com/scaling-rails http://railslab.newrelic.com/scaling-rails