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Transcript

  • 1. JRuby All Sorts of Cool Stuff
  • 2. Me • Charles Oliver Nutter • JRuby Architect at Engine Yard • Java developer since 1997 • JRuby developer since 2005 • @headius, headius@headius.com
  • 3. JRuby • Ruby on JVM • Latest release: 1.5.1 • Ruby 1.8.7 compat, 1.9.2 coming • It’s Just Ruby! • (It’s Not Just Ruby!)
  • 4. Boring Stuff • Trivial install: unpack, run (only prereq: Java) • Performance is great, ~1.9 • Rails etc run great • Production users since 2007 • Most mature, most stable alternative Ruby
  • 5. Cool Stuff • Native threads (real concurrency!) • Java/JVM integration • Tooling and maturity • New frontiers
  • 6. Native Threads • Ruby Thread :: Native Thread • Thread.new # real system-level thread • One process can saturate all cores • One Rails instance for a whole site
  • 7. Scaling Rails
  • 8. Platform Integration • Use any Java library like it’s a Ruby library • No-compile, single-file deployments • Cross-platform GUI libraries
  • 9. Using a Library
  • 10. Tooling and Maturity • Editor/IDE support with bonuses • Debugging tools • Profiling, memory tools • Commercial JVM environments
  • 11. Tools
  • 12. New Frontiers • Google AppEngine • Java or Python only (...or JRuby!) • Android • Java-mostly (...or JRuby!) • Anywhere with a Java server • Deploy like any other application
  • 13. Android
  • 14. Your Turn • Just try it! • Tell everyone • Let us know what you need
  • 15. JRuby Book!
  • 16. For The Managers • Three fulltime devs at Engine Yard • Support, professional services • And OSS-style IRC/email support • Engine Yard Cloud (soon!) • Well-established, mature, stable
  • 17. Thanks! • http://jruby.org • http://wiki.jruby.org • http://bugs.jruby.org • http://engineyard.com/jruby • http://blog.headius.com