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Re:JRuby 1.6.0.RC1 Released by ssmoot on Tuesday January 11, 2011 @11:34AM (#2092386)
It's faster than MRI. It allows you to write Java instead of C extensions. For developers without a C background, but with a Java or c# background that's pretty huge IMO.

Plus instead of running 16 Unicorn workers for an app, eating up over 4GB of memory, I can run one JRuby thread-pooled app, handling many more connections gracefully, with lower memory requirements, fewer database connections and better performance.

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