How Facebook Catches Bugs On Its 100 Million+ Lines Of Code Platform

As the giant of the web, there is only a few services with sophistication that par with Facebook.

Consisting of over 100 million lines of code (LOC), that is indeed a lot of typing. While Facebook teams of engineers managed that, they also have the responsibility to maintain those codes, by tweaking when necessary, adding more codes, or may even remove some.

With billions of users to serve, Facebook needs to make sure that its platform is up and secured, and capable of delivering all the contents it have under its sleeves to its ever-hungry users.