Exploring the software behind Facebook, the world’s largest site

In some ways Facebook is still a LAMP site (kind of), but it has had to change and extend its operation to incorporate a lot of other elements and services, and modify the approach to existing ones. For example:Facebook still uses PHP, but it has built a compiler for it so it can be turned into native code on its web servers, thus boosting performance.Facebook uses Linux, but has optimized it for