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Dive deep into the fork() system call in this 39-minute conference talk from Ruby Central. Explore how Spring and Puma leverage fork() to power Rails applications in development and production environments. Learn about operating system concepts like children, zombies, processes, and pipes. Discover techniques for measuring and maximizing copy-on-write efficiency, including a novel approach that can reduce memory usage by up to 80%. Gain insights into fine-tuning your app for memory efficiency and running Ruby code in parallel. Cover topics such as documentation, history, optimizations, parallel processing, Puma, tips and tricks, plugin code, refork, and performance improvements.
