I get this issue also and I have found it only happens when you cross a chunk border.
also lags a lot but infrequent when I enter my world then smooths out. but when I enter an area with lots of loaded mobs it lags when I cross a chunk border.
I get this issue also and I have found it only happens when you cross a chunk border.
also lags a lot but infrequent when I enter my world then smooths out. but when I enter an area with lots of loaded mobs it lags when I cross a chunk border.