What is the main objective of this entire topology? Redundancy and Load Sharing! Imagine a scenario where your single web server is receiving millions and millions of HTTP requests per second, the CPU load is going insane, as well as the memory usage, when suddenly “crash!”, the server dies without saying good-bye (probably because of some weird hardware … Continue reading “Installing a high availability web server cluster on Ubuntu 12.10 using HAProxy, HeartBeat and Lampp”