I've heard of at least a few rails deploys where the dev environment is MRI, for fast CI / test suite runs, and production is JRuby, for all the other (numerou

I've heard of at least a few rails deploys where the dev environment is MRI, for fast CI / test suite runs, and production is JRuby, for all the other (numerous) benefits listed here. (Although i can't google any examples in print)