fizze, thanks for the reply.
The “Always On” parameter is set to “No” on the config page.
If I move Firefly to an Ubuntu server then I might be able to do some more debug on this thru logs and actually looking at the LAN traffic but for now it seems that it’s “iTunes rather weird [behaviour] with DAAP shares” that is the problem.
If anyone else is seeing this elevated Firefly CPU hogging it’d be good to know.