When I joined Google last June, I discovered a new world: tons of new acronyms or project code names to learn about, but also a particular environment for your source code. At Google, engineers work on a huge monolithic source code repository comprising of: 1 billion files 9 million source files 2 billion lines of code 35 million commits 86 terabytes of content 45 thousands of commits every day. Rachel Potvin, who’s an engineering manager at Google, wrote an article for ACM about how Google handles such a huge repository, as well as the tools and practices around that. Read more...