The linux kernel has an order of magnitude fewer files than Facebook's test repository (25,000 in version 2.6.27, according to http://www.schoenitzer.de/lks/lks

The linux kernel has an order of magnitude fewer files than Facebook's test repository (25,000 in version 2.6.27, according to http://www.schoenitzer.de/lks/lks_en.html http://www.schoenitzer.de/lks/lks_en.html) and only 9 million lines of text. This is on the largish side for a single project, but if Facebook likes to keep all their work in single repo then it isn't too difficult to go way beyond those stats. Think of keeping all GNU projects in a single repo.