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Change biome for entire world Question
How do I change the biome for a massive amount of blocks, possibly the entire world (existing generated chunks only)?
1 answer
One suboptimal solution is World Edit.
I selected an area of 82,000,000+ blocks with World Edit, then used //setbiome. Unexpectedly, this actually did work. WE can usually handle only a maximum between 3-4 million blocks at once. The game continued on running, but the internal server stopped responding for a while, followed by a full system freeze, and a java.lang.OutOfMemoryError: java heap space reported in the chat and console. The game then stuttered on with a low framerate, but re-entering the world was all it took to solve that. This was with 8 GB allocated to the JVM, while other mods were taking up 20 GB of native memory.
It would be very tedious going through the remaining billions of blocks that exist in the world, but it's an option.
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