On playstation 4 when you run around and new chunks are loaded minecraft laggs for about 3 seconds or when there is to much of movement or if you mine to fast you mine the blocks , laggs and the blocks you mined show again as you didnt mine them . Its very annoying it sometimes laggs mobs and they are more likely to hit you if the "world" lags . Thank you  

Sincerely Žan <3