7 Textile 2009-05-11T10:01:14+02:00 1 757 en 0 5 three_profiling_tools 2009-05-11T14:29:08+02:00 published Ever want to know what Rails is doing under the hood during a request? In this episode Ryan Bates shows three different profiling tools: New Relic RPM, FiveRuns TuneUp, and Rack::Bug. Three Profiling Tools 2009-05-12T12:31:48+02:00 205 http://railscasts.com/episodes/161-three-profiling-tools