Amazon cloud-sitter Heroku, owned by Salesforce.com, has updated its Ruby service and embraced the Node.JS framework. Heroku rolled out an update called Celadon Cedar it says lets you fluff more-powerful and more-complex applications, and that provides greater control over deep computing processes. Celadon Cedar also sees …
Not entirely true.
"A Dyno is a single process that runs your Ruby code on the underlying server grid, with that Grid using POSIX, a Ruby VM, Mongrel app server, web-server interface, and a middleware layer to run the Ruby frameworks"
True for the old setup bu In the Celadon Cedar update mongrel has been replaced with Unicorn which allows some interesting messing about as per this blog: