Some chunks create lag when breaking blocks restart fixes

Some chunks create extremely high amounts of lag when breaking blocks.
Whats weird that restarting game removed lag from these chunks in vanila minecraft video.

Videos of this bug:

Vanila and only vanila:
https://youtu.be/BaiQzZpwuis

 

Moded server, vanila client: (UPDATE from moded server thats completely another lighting bug, which doesnt get fixed by restart of client)
https://youtu.be/_T-YpC_yh68