Nope, this is not the title of a children’s book (though it would be great as that!). Quote Google: Chubby is a fault-tolerant system at Google that provides a distributed locking mechanism and stores small files. Typically there is one Chubby instance, or “cell”, per data center. Several Google systems – such as the Google Filesystem (GFS) and Bigtable – use Chubby for distributed coordination an