Well i was in town on smp9 and i just started moving VERY VERY VERY slowly it wasnt client side it was server side i asked my friend he said he was getting heaps of lag aswell Whats wrong?!?!?!
This could be for many, MANY reasons! One of the most likely reasons could be an entire world save as that does cause lag for a period of time another could be tons and tons of items in drop form laying on the ground. I know for a fact the item drops cause quite alot of lag because several months ago before EMC implemented item drop grouping there was residence that had a lag machine on it which continualsly shoots out items from dispensers. Lag can be caused by an infinite amount of things so it is hard to nail it down, my guess would be something like that happened. ~Stads