etcd is a very complex yet amazing piece of software which accomplish the seemingly dumb task of keeping key-value pairs, both in memory and on disk - in this post, I’m tackling the disk persistence layer. etcd goes to great lengths to make sure your data is perfectly consistent and readily available when needed, and if configured in cluster mode it makes sure that each node has a copy of said data thanks to the Raft consensus protocol. While this idea works great for standard key-value sto...
