Save Big on Coursera Plus. 7,000+ courses at $160 off. Limited Time Only! Grab it Explore a groundbreaking sampling profiler for Ruby 3.2+ in this keynote address from RailsConf 2024. Discover Vernier, a powerful new tool that surpasses existing profilers by capturing intricate details of Ruby applications. Learn how Vernier provides insights into threads, ractors, the Global VM Lock (GVL), Garbage Collection, idle time, and various other aspects of Ruby program execution. Gain valuable knowledge about advanced profiling techniques that can help optimize Ruby and Rails applications for better performance and efficiency.