btw since I only have 3 dgraphzero instances, is there a point of adding more than 3 dgraph nodes? Does it help with improving the speed? I noticed when I create a dgraph node it logs
2017/10/30 13:53:35 draft.go:693: Restarting node for group: 3
2017/10/30 13:53:35 raft.go:567: INFO: 3 became follower at term 2
2017/10/30 13:53:35 raft.go:316: INFO: newRaft 3 [peers: [3], term: 2, commit: 17, applied: 17, lastindex: 17, lastterm: 2]
2017/10/30 13:53:39 raft.go:749: INFO: 3 is starting a new election at term 2
2017/10/30 13:53:39 raft.go:580: INFO: 3 became candidate at term 3
2017/10/30 13:53:39 raft.go:664: INFO: 3 received MsgVoteResp from 3 at term 3
2017/10/30 13:53:39 raft.go:621: INFO: 3 became leader at term 3
2017/10/30 13:53:39 node.go:301: INFO: raft.node: 3 elected leader 3 at term 3
Is it better to have multiple nodes serving the same group?