THIS IS A TEST INSTANCE. ALL YOUR CHANGES WILL BE LOST!!!!
...
- l the leader queues a packet PROPOSE(zxid, data), where zxid = nextZxid, to all connected followers, and . It increments nextZxid.
- f a follower will log and sync proposals to disk and send ACK(zxid).
- l when the leader receives acknowledgements from a quorum of followers it queues COMMIT(zxid) to all followers.