Mikhail Panchenko discusses how Flickr’s code base developed over the years and the problems that started to appear because not everything was written as it should. He discusses the benefits and drawbacks of using various solutions for providing availability and scalability to a website with many users and page requests. (Presentation)Joe Williams discusses how distributed systems, cloud computing and automated configuration management affect system's availability. He exemplifies with a database service buiJoe Williams discusses how distributed systems, cloud computing and automated configuration management affect system's availability. He exemplifies with a database service built on CouchDB, Erlang, Chef, all running on EC2. (Presentation)