Performance Testing Rails Applications

Ruby on Rails Guides: Performance Testing Rails Applications:

# routes.rb root :to => 'home#index' resources :posts # home_controller.rb class HomeController < ApplicationController def dashboard @users = User.last_ten.includes(:avatars) @posts = Post.all_today end end # posts_controller.rb class PostsController < ApplicationController def create @post = Post.create(params[:post]) redirect_to(@post) end end # post.rb class Post < ActiveRecord::Base before_save :recalculate_costly_stats def slow_method # I fire gallzilion queries sleeping all around end private def recalculate_costly_stats # CPU heavy calculations end end

Full article: http://guides.rubyonrails.org/performance_testing.html#in...