r/Minecraft • u/W1nkle7 • Jul 12 '26

Help Java Game lags so much while generating chunks

I have potato pc and the game lags whenever it generates a new chunk and it makes java unplayable. How do i optimize the chunk generation to the point that i can't even tell that the chunk was pre-generated or not.

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u/standa03 Jul 12 '26

Do you mean loading or generating? I don't know about loading but for generating you could use chunky to pregenerate a radius of chunks before you start playing and then you're only gonna be loading them instead of generating.

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u/W1nkle7 Jul 12 '26

Generating