Are you even thinking of how the Google data center look like? How are they actually host the most stable system by providing such as good search result and response to all the internet user.
Recently Google has released a video showing a data center of theirs. This is one of the computer farms (or you might think of it as one supercomputer or a part of one) where your requests to Google, like its search engine, get crunched. Google says this data center has slots for over 45,000 servers in 45 containers.