gistfile1.rb

#!/usr/bin/env ruby
# Patched mongrel for Garbage Collection
require 'mongrel'

unless Mongrel.const_defined?("UnixDispatchServer")
  puts "Patched mongrel required!"
  exit
end

Mongrel::UnixDispatchServer.preload_application do
  puts "Loading application..."

  require File.dirname(__FILE__) + '/../config/environment'
  Dir.chdir(RAILS_ROOT)

  puts "Installing garbage collect hook"
  Mongrel::Server.class_eval do
    def process_client_with_garbage_collect_hook(client)
      # make sure garbage collection doesn't occur until after the response has been written to the browser
      GC.disable
      process_client_without_garbage_collect_hook(client)
      GC.enable
    end

    alias_method_chain :process_client, :garbage_collect_hook
  end

  puts "Invoking garbage_collect"
  ObjectSpace.garbage_collect
end

Mongrel::UnixDispatchServer.before_fork { ActiveRecord::Base.remove_connection }
Mongrel::UnixDispatchServer.after_fork  { ActiveRecord::Base.establish_connection }

load `which mongrel_rails`.strip