Triangle.rb Notes - JRuby

JRuby

2014-06-10 by Brandon Mathis and Hiro Asari (Meetup)

Why?

• Access to Java libraries
• True concurrency (Rubinius also offers this)
• JVM

Access To Java Libraries

• Super enterprise!

Problems

• Keep offshore oil rigs floating

Most Important Tools

0. JRuby
1. warble - packages JRuby project into *.war file

Benefits (JVM)

• JVM improvements == JRuby improvements
• Trusted platform in the enterprise
• Deploy anywhere (TorqueBox, Tomcat, WebSphere et cetera)
• Not just for enterprise

History

• 2001 - started by Jor
• 2006 - Rails support
• 2011 - v1.6
• 2012 - v1.7
• 2014 - v9000?

Drawbacks

Awful startup time

• Nailgun
• Drip - requires much memory