Great comments and links! Pretty sure Google wrote chubby before raft existed. Chubby paper: 2006 http://dl.acm.org/citation.cfm?id=1298487 http://dl.acm.org/c

Great comments and links! Pretty sure Google wrote chubby before raft existed. Chubby paper: 2006 http://dl.acm.org/citation.cfm?id=1298487 http://dl.acm.org/citation.cfm?id=1298487 Raft paper: 2014 http://dl.acm.org/citation.cfm?id=2643666 http://dl.acm.org/citation.cfm?id=2643666 If you've got something battletested, there isn't a lot of value to rip it all up if it works within the given business requirements. Also they figured out how to implement Multi-Paxos, which is known for being difficult.