
Annuus
Annuus is a mod for minecraft networking, improves network performance and makes the game more available for running on large server.
About this Mod
Annuus is a mod for minecraft networking,
improves network performance and makes the game more available for running on large server.
Supported minecraft 1.21.x with fabric loader and neoforge loader, needs fabric-api when using fabric.
When the player doesn't install annuus on the client, network packet will send normally like vanilla.
Performance
Chunk data
Deflate 1 has less CPU usage, even though that performance is not good enough here
So it be considered as a compression option
We have tested view distance as 10 (473), 12 (637), 16 (1057), 32 (3725), installed mod only fabric-api.
| env/chunks | 473 | 637 | 1027 | 3725 |
|---|---|---|---|---|
| Vanilla | 35.03ms 13.94MB |
40.51ms 18.74MB |
72.57ms 31.66MB |
238.69ms 122.40MB |
| Annuus (Deflate 9) | 29.76ms 1.17MB |
50.46ms 2.39MB |
48.6ms 4.04MB |
163.31ms 15.98MB |
| Annuus (Deflate 1) | 36.09ms 2.21MB |
51.06ms 2.96MB |
57.94ms 4.99MB |
235.22ms 19.65MB |
Block updates
The more blocks collect the more advantages in Annuus protocol, such as very huge piston towers
And chunk delta update blocks, every time collect 1229 blocks:
| env/blocks | 2455 | 7365 | 24550 | 78560 |
|---|---|---|---|---|
| Vanilla | 9.72KB | 29.16KB | 97.2KB | 311.06KB |
| Annuus (Deflate 9) | 6.79KB | 20.39KB | 67.97KB | 217.53KB |
| Annuus (Deflate 1) | 6.35KB | 19.07KB | 63.59KB | 203.5KB |
Recipes synchronize
| env/recipes | 1290 | 9587 |
|---|---|---|
| Vanilla | 105.73KB | 692.2KB |
| Replacement v1 (no_compress) |
94.4KB | 612.86KB |
| Replacement v1 (deflate_9) |
19.61KB | 135.9KB |
| Replacement v1 (deflate_1) |
24.11KB | 169.11KB |
Available Versions
How to Install Annuus on Your Server
Order Server
Order a Minecraft Java server with at least 3 GB RAM (4 GB recommended).
Set fabric Loader
In the panel under "Egg", select the fabric loader and matching Minecraft version (1.21.11).
Install Mod
Open the mod browser in the dashboard and search for "Annuus". Click "Install" – done! Alternatively, upload the .jar via SFTP to the /mods folder.
Compatibility
Mod Loaders
Minecraft Versions
1.21.11, 1.21.10, 1.21.9 (+9 more)
Server-side
✓ RequiredRecommended RAM
4 GB(min. 3 GB)Frequently Asked Questions
Annuus server crashes on startup – what to do?
Most common cause: wrong fabric version or insufficient RAM. Check the server log (latest.log) for "OutOfMemoryError" or "Mixin" errors. With Mado Hosting: ensure at least 3 GB RAM is allocated and the loader matches the mod version (1.21.11). You can switch loaders with one click in the panel.
Is Annuus compatible with fabric and neoforge?
Annuus officially supports fabric, neoforge for Minecraft 1.21.11, 1.21.10, 1.21.9. The Mado dashboard automatically detects incompatible loader combinations.
Server lagging with Annuus – how to optimize performance?
Recommended RAM: 4 GB (per 8 players). Use /spark profiler to check if Annuus consumes the most tick time. Common fixes: reduce server view-distance to 8-10, install "performant" or "starlight" as supplementary mods on Forge. With Mado Hosting, your server runs on NVMe SSDs with dedicated CPU cores for minimal latency.
Similar Mods
Rent Modded Server
Install Annuus with just one click on your server.