Interviewer here -- "If you want to form a multi-node cluster, you pass it a little bit of configuration and off you go." .. "Raft [etcd] gets you past this old

Interviewer here -- "If you want to form a multi-node cluster, you pass it a little bit of configuration and off you go." .. "Raft [etcd] gets you past this old single-node database mantra, which isn’t really particularly old or even a wrong way to go. Raft gives you a new generation of systems where, if you have any type of hardware problem, any type of software instability problem, memory leaks, crashes, etc., another node is ready to take over that workload because you are reliably replicating your entire state to multiple servers."