Gossip and Raft Consensus Algorithm Usage in ScyllaDB

[Guy]

Originally from the User Slack

@Cong_Guo: Hi, I have a question that since Scylla has switched to Raft, why does the gossip module still exist? Are there any tasks that can only be handled by gossip and not by Raft?

@avi: Yes, things like failure detection and disseminating some statistics