Mongo Find - with and without result reference

code.rb

@session = Moped::Session.new([ "127.0.0.1:27017" ])
@session.use :moped_test
@users = @session[:users]

Oboe::API.start_trace('just_mongo_find', nil, { :Force => true }) do
  @users.find
end

Oboe::API.start_trace('mongo_find_and_count', nil, { :Force => true }) do
  @users.find.count
end