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GORUCO 2010


Ever wondered why your ruby script uses so much RAM? Tired of having god restart your rails app every few hours? This talk will introduce memprof, a ruby level memory profiler. We’ll demo memprof on a variety of real-world examples, including some popular open source projects, to find and fix memory leaks. Along the way, we’ll learn how the ruby VM manages memory, why garbage collection has such a large impact on ruby’s performance and some common ways to reduce the memory usage of your ruby applications. Aman is a serial entrepreneur, ruby hacker and a recent winner of a Ruby Heroes award. He currently maintains the EventMachine project and various other gems that help build high-performance distributed and asynchronous systems in ruby, including em-mysql, em-spec, jsSocket and amqp. Most recently, Aman has been hacking on performance improvements to MRI, and tools for the VM such as perftools.rb, a sampling profiler for ruby code based on google-perftools, and gdb.rb, a MRI specific version of gdb.

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