Drupal World

2bits.com: "The intranet used a lot of [Drupal] contributed modules, with 35 custom developed modules for this application. It would serve a user base of more than 80,000 employees. Testing of the application showed that only 30 concurrent users can be active simultaneously, falling well short of the requirement for 200 users to be active at any given time......We quickly found that we could not go beyond around 50 users, and starting diagnosing the problems with the application that prevents it from scaling. Here are the findings, and the solutions..."Complete Story