#171 Delayed Job (revised)
Long requests should be moved into a background process, and Delayed Job is one of the easiest ways to do this because it works with an Active Record database.
Episode #115 – May 13, 2013 – 168 comments
Caching at a low level is a great option when the view is too dynamic to cache and you need something flexible that can work anywhere in the application. Here I show a variety of ways to use Rails.cache with Active Record. (12 minutes)
Episode #411 – Mar 27, 2013 – 78 comments
Learn how to add performance tests that automate benchmark and profile reports. Here I show how to find the bottlenecks to optimize a page. I also show how to compile Ruby with gcdata to get information about memory usage. (16 minutes)