Railscasts Episode #161: Three Profiling Tools

http://railscasts.com/episodes/161

Commands

  script/plugin install http://newrelic.rubyforge.org/svn/newrelic_rpm
  sudo rake gems:install
  script/server
  script/plugin install git://github.com/brynary/rack-bug.git
  mate config/initializers/middleware.rb

--

You can find the Rails application used in this screencast at:

http://github.com/ryanb/railscasts/tree/master