I was lucky to avoid all problems from open beta untill today. Today afternoon (30/8 around 13:00 CMT+1) I started to experience huge lag spikes that delay everything for 5-10sec and it's game wide, in all areas and instances. Couple of hours later i started to experience 90k error and for the rest of the day, and night, game is just unplayable.

Server: Cerberus.
Location: Sweden.