Adapting Open Source Software

What this post added

This post details Facebook's strategic use and adaptation of open-source software such as PHP, MySQL, and Memcache, including specific optimizations and modifications. It also highlights contributions back to the community through projects like Thrift and Scribe. The post provides an overview of the services stack, including custom backend services for NewsFeed and Search, and the tooling that facilitates development, deployment, monitoring, and maintenance of code written in diverse languages like C++ and Erlang.