Shameless plug: I've been moving over my own apps to Puma lately and definitely noticed improvements in performance without switching VM (we've used MRI so far). Lately, even did a small blog post on the topic:
This should get you started on non-Heroku platforms with Puma & Rails, well for development & staging purposes. I still have to do a post on setting up Puma for actual production deployments.
http://jasdeep.ca/2013/07/deploying-rails-apps-with-puma-and...
This should get you started on non-Heroku platforms with Puma & Rails, well for development & staging purposes. I still have to do a post on setting up Puma for actual production deployments.