Im having the same problem. Our Gemfile is very similar to yours. It started happening when we upgraded from 3.0.5 -> 3.0.6 and even in 3.0.7 as well. After rolling back to 3.0.5 the memory consumption for our dev environment went way down.
Someone should post this on rails lighthouse... -- Posted via http://www.ruby-forum.com/. -- You received this message because you are subscribed to the Google Groups "Ruby on Rails: Talk" group. To post to this group, send email to [email protected]. To unsubscribe from this group, send email to [email protected]. For more options, visit this group at http://groups.google.com/group/rubyonrails-talk?hl=en.

