Have you ever been moving quickly on your server and hate waiting forever for chunks to load? Do you just want them to always be loaded when you get to them? That's absolutely possible, using a great multi-platform mod called Chunky. Chunky will allow you to set a radius of chunks you want to pregenerate, and then generate them. This will take a lot of load on the server, so be sure to do this before you begin playing with your friends. It's also a viable option to do this on singleplayer, and then uploading your save to the server.
1. Download and install Chunky to your server. There is support for Bukkit, Fabric, NeoForge, Forge, Paper, Spigot and Sponge.
2. Once you have Chunky installed, make sure you're an operator on your server and run the command /chunky radius 1000
. You can set this to any radius you'd like instead of 1000.
3. Now that you have set how many chunks you want to pregenerate, run /chunky start
.
4. Chunky will now begin generating chunks. You can view the progress at the top of the screen. The game will not be very playable when this is happening.
5. When the progress has finished, you'll now have many more chunks loaded on your server, no more waiting for chunks to load.