Pre-generating + sharing Voxy data to reduce lag and increase visual distance

[/u/PM_ME_YOUR_REPO, /u/SurvivilleSMP, /u/NanMeee]

I found a way to use Voxy in multiplayer servers (like Aternos) so EVERY player can see far chunks without increasing the server render distance.

This simply takes advantage of how Voxy stores its data.

Here’s the method step by step:

1. Generate your world in singleplayer Use Chunky (or explore) to fully generate the map.
2. Process it with Voxy Run: /voxy import world <world\_name>

This will create a folder:
saves/<world\_name>/voxy

1. Upload the world to your server Replace your server world with this pre-generated one.
2. Prepare it for multiplayer Go to your Minecraft instance folder and find: .minecraft/.voxy/

Inside, create a folder with your server IP, for example:
.minecraft/.voxy/play.myserver.net

1. Copy the data Copy EVERYTHING inside: saves/<world\_name>/voxy

and paste it into:
.minecraft/.voxy/<server\_ip>/

1. Share it with your friends Anyone who wants the same far render just needs to:

• install Voxy
• download your .voxy folder
• ONLY do steps 4 and 5

And that’s it.

RESULT:

• Server can stay at low render distance (like 5 chunks)
• No lag from chunk generation
• All players can see the world from VERY far away

IMPORTANT:

• This does NOT increase the real server render distance
• It only shows chunks that were already generated
• If the world changes, you may need to update the Voxy data

EXTRA: Method for servers that ALREADY have chunks generated

If your server already has explored/generated chunks, you can do this:

1. Download the server world
2. Open it in singleplayer
3. Run: /voxy import world <world\_name>

This will process ALL existing chunks and create:
saves/<world\_name>/voxy

1. Then you have two options:

OPTION A (if you generated more chunks):

• Re-upload the world to the server

OPTION B (if you did NOT generate new chunks):

• No need to upload the world again

1. Copy the contents of: saves/<world\_name>/voxy

and paste them into:
.minecraft/.voxy/<server\_ip>/

IMPORTANT:

• If the server IP folder already exists:
  • you do NOT need to delete the folder
  • just open it and delete its contents
  • then paste the new data

PLUS (IMPORTANT for Aternos):

If you're creating a world from scratch for this method, I recommend:

• Generating a radius of around 5000 blocks using Chunky

Why?

• The world will end up around 2–3 GB in size
• It’s a good balance between size and performance

Do NOT go much higher than this because:

• Aternos has world size limits
• If your world exceeds ~5 GB:
  • the server may NOT start
  • or it may refuse to load entirely

So 5000 blocks is a safe and optimal limit.

This works especially well for Aternos or low-resource servers.

I haven’t seen this clearly explained anywhere, so I hope this helps someone


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