High render distance uses A LOT of memory

High render distances use 20GB+ of memory.

Steps to Reproduce:

1. Open Minecraft
2. Open Task Manager in the performance > memory tab on a separate monitor.
3. In Minecraft, lower your render distance to 16.
4. Create or enter a world.
5. Increase your render distance to 50+
6. See Task Manager eating up all your memory.

Observed Results:

• Minecraft uses 20GB+ of memory.

Expected Results:

• "Render Distance" should not use multiple gigs of memory.