These are chat archives for atomix/atomix
Are append requests supposed to be sent to UNAVAILABLE members?
In answer to my own question, it appears these messages are being sent as part of the heartbeat
UNAVAILABLE, it will still send those heartbeats to that follower so it can determine when it's reachable again, but the leader will send empty append requests so it's not unnecessarily reading from disk to send stuff that will never make it anyways. Once the leader receives a successful response it will start sending non-empty requests if possible again.