Using JRuby - What, When, How, and Why

Using JRuby - What, When, How, and Why

Explore the world of JRuby in this 30-minute conference talk from RubyConf 2022. Discover what JRuby is, when to use it, how to get started, and why it matters for Ruby developers. Learn about the recent update for Ruby 3.1 support and understand why many Ruby shops choose JRuby for its exceptional concurrency, garbage collection, just-in-time compilation, and cross-platform capabilities. Gain insights into JRuby's compatibility, installation process, and its use with Rails. Examine performance benchmarks, memory footprint, and real-world applications. Delve into topics such as ActiveRecord performance, JVM tools, and the future of JRuby and JRuby on Rails.