Disabling Garbage Collection around every rails request

gistfile1.rb

class ApplicationController < ActionController::Base

  around_filter :disable_garbage_collection

  def disable_garbage_collection
    unless @use_garbage_collection
      GC.disable
      begin
        yield
      ensure
        GC.enable
        GC.start
      end
    else
      yield
    end
  end

  # turn this on with: 
  # prepend_around_filter :leave_garbage_collection_on
  def leave_garbage_collection_on
    @use_garbage_collection = true
    yield
  end
end