Running Openfire 4.2.3 on Server 2016 (2 cpu - 4 Gb ), Spark 2.8.3 Windows 10 (i7 - 16Gb)
40 userser loged on to the server.
With 12 Rooms, all set to “Join on startup”
It takes up to 5 min before all rooms are loaded. max 10 messages pr day. History set to 50 lines.
Why the 5 min to load all rooms ?