Overview
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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 JRuby's recent update for Ruby 3.1 support and its status as the most widely-deployed alternative Ruby implementation. Gain insights into why Ruby shops worldwide choose JRuby for its exceptional concurrency, garbage collection, just-in-time compilation, and cross-platform support. Delve into topics such as Ruby compatibility, JVM tools, installation process, and JRuby on Rails. Examine performance benchmarks, including memory footprint, warmup time, and ActiveRecord operations. Understand JRuby's future prospects and its potential impact on Ruby on Rails development.
Syllabus
Intro
Thank You Yarden!
Cheers to Tom Enebo
What is JRuby?
Ruby Compatibility
Why Ruby on JVM?
JVM Tools and GC
JRuby Install
JRuby on Rails?
activerecord-jdbc-adapter
What Matters to You?
Memory Footprint
Warmup Over Time
Benchmarks Lie
End-to-end Rails Blog
ActiveRecord Performance
Select Performance
Update Performance
True Story
JRuby Future
JRuby on Rails Future
Taught by
Confreaks