This video explains about how Facebook engineers test their software. Facebook doesn’t have QA department, but the new code is pushed to the site every day, while the backend infrastructure is continuously being developed. You will learn how hackers at Facebook test their code, services and entire infrastructure in a safe and controlled way to allow for continuous iteration on their products.
https://www.youtube.com/watch?v=i6wNEd4Choo
Video producer: http://itarena.lviv.ua/