Rails on JRuby
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Rails on JRuby

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A presentation I delivered to the Melbourne Ruby User's Group on some of the things Rails developers need to be aware of when getting a Rails application running on top of JRuby.

A presentation I delivered to the Melbourne Ruby User's Group on some of the things Rails developers need to be aware of when getting a Rails application running on top of JRuby.

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    Rails on JRuby Rails on JRuby Presentation Transcript

    • JRuby & Rails Jumping tracks with minimal pain
    • Contents • JRuby & Rails • Why? • Things to Watch • Databases • Servers & Deployment • Beyond Rails with JRuby
    • Why Rails on JRuby?
    • Why? • Easier deployments • Potential scalability
    • Warning Signs?
    • Danger! • Relying upon Native Code • Gems • Standard Library
    • Databases • Pure Ruby Drivers • Slow(er) • Most Compatible
    • ActiveRecord-JDBC • JDBC: Java’s Native Database Protocol • More Databases Supported • Faster • Odd compatibility issues?
    • Database Config Demo
    • Deployment • Deploying to Mongrels/etc. = JRuby 1.0 • Deploying to Java = Preferred JRuby 1.1+
    • Serving from Java • Packaging your application • Getting it to the server
    • Packaging with Warbler • Packaging your Rails app for Java Servers • Resultant artefact is a deployable Application
    • Warbler Config Demo
    • Java on Development • script/server still works • jetty_rails • glassfish_rails
    • Moving to Production • Java 5 (or higher) is the key!
    • Beyond Rails? • Calling Rails from a Java webapp? • Use Merb? Camping?
    • Beyond Rails? • Rack support!
    • Links • JRuby • http://www.jruby.org • http://wiki.jruby.org • JRuby Inside: http://www.jrubyinside.com • Nick Sieger: http://blog.nicksieger.com/