From: Jeremy Kemper Date: 2007-03-09T00:52:37+09:00 Subject: Re: [Rails] Re: High ActiveRecord CPU Utilization On 3/8/07, Tom Mornini wrote: > Are you saying that config/production.rb and config/development.rb > are identical? No, sorry: it doesn't load a Rails environment at all, just vanilla Active Record. The Rails environment has no bearing on Active Record in isolation, beyond choosing the default database connection: $ grep -r RAILS_ENV lib/ |grep -v svn|wc -l 2 Your Rails app reloads application classes during development so some AR caches, like the per-class table metadata, are wiped as a result. jeremy