No matter how big a hard drive we have with our computers, we never seem to have enough. Thinking of it from the perspective of big companies like facebook that have billions of users, storage of user data must be one heck of a task. Every second, thousands of new users are being added to the website and existing users add terabytes of data.
Such a huge demand for storage requires out of the box solutions. Facebook has done just that with its unique data storage centers spread over hundreds of acres. Check out this video to get an exact idea of how facebook manages all the user data in its data warehouses.