02 May '12, 4am

5 Ways to Speed Up Your Rails App | Union Station:

Ruby is a fast language, and a great one in so many ways, but nothing in this world is truly free. It’s very easy to do things that seem inconsequential but that later can bring your application to a grinding halt. In this post, I’ll outline five important ways that you can avoid some of the most common problems Rails apps encounter. Before continuing, a disclaimer: do not take these tips and refactor your code ad-hoc. Take everything with a grain of salt and perform your own measurements to determine which pieces of your app are slow. Before making any performance optimizations, get set up with a profiling tool, like RubyProf, New Relic, Scout, etc. You always want to know where the most significant bottlenecks are for you, and focus your efforts there first. Eager Load Associations The most common and significant problem that I’ve seen in Rails apps has been the lack of ...

Full article: http://www.engineyard.com/blog/2009/5-ways-to-speed-up-yo...

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