When inserting into a full slot, the inventory is not actually modified but markDirty() is still called. This in turn sends a block update to all neighbours. When a diamond chest is full, attempting to insert into it will trigger 100+ block updates (one for each slot) for each neighbour.
When inserting into a full slot, the inventory is not actually modified but
markDirty()is still called. This in turn sends a block update to all neighbours. When a diamond chest is full, attempting to insert into it will trigger 100+ block updates (one for each slot) for each neighbour.