> Will Artemis store (in journal) 1 copy of the message body and use pointers to refer to that message body in diverted/copied messages? No, the new message is a deep copy.
> Artemis divert will change the message-ID. It would be nice to keep the existing message-ID. If the transformer plugin sets this message-ID back to the original -- will this cause problems? Yes, it will cause problems. > Is the ACK to the producer only sent when the message has been persisted to both original and diverted to queues/addresses? Yes. Regarding question 1,2, I don't quite understand your scenario. A divert will only divert a message to an address on the same server. If server crashes or disk is damaged, how do you resume from them? <warm-...@tutanota.com> 于2019年7月8日周一 下午8:49写道： > A follow on question: > When are messages ACKed in this scenario? > Is the ACK to the producer only sent when the message has been persisted > to both original and diverted to queues/addresses?
