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Very Many Players (Fabric) logo

Very Many Players (Fabric)

Mod

by ishlandmc

A Fabric mod designed to improve server performance at high playercounts.

Type

Mod

CurseForge Downloads

3,692,997

CurseForge ID

552542

Modrinth Downloads

17,900,832

Modrinth ID

wnEe9KBa

Last Updated

Nov 7, 2026

Description

Very Many Players

A Fabric mod designed to improve server performance at high playercounts.

VMP is still in early development and things are expected to break. Please report any issues to our issue tracker.

So what is VMP?

Very Many Players, or VMP for short, is a Fabric mod designed to improve general server performance at high playercount without sacrificing vanilla functionality or behavior.
For the best performance it is recommended to use VMP with Lithium.

How VMP achieves its performance improvements?

Server-side game logic performance improvements:

  • Uses area maps to optimize nearby packet sending and player lookups
  • Uses cache to optimize entity trackers, fluid state lookups and ingredient matching
  • Optimizes entity iteration for collisions
  • Optimizes ticket propagator using MCUtil from the Paper project (patch licensed under MIT)

Client-side game logic performance improvements:

  • Makes time source to use built-in Java time source instead of GLFW via JNI calls

Networking performance & responsiveness improvements:

  • Uses our own chunk sending mechanism (optionally with packet-level rate-limiting)
  • Adds packet-level per-player render distance
  • Makes vanilla tcp connections more responsive using packet priority from raknetify
    (works best when the server is connected without reverse proxies such as velocity and ssh port forwarding)

… and more

Support

Our issue tracker: link
Our discord server: link

More information

Check out the README.md here: https://github.com/RelativityMC/VMP-fabric

Compatibility

Mod Loaders

Client Fabric Server

Game Versions

26.1-snapshot 26.3

Recommended Gear

Affiliate

Hardware and extras that pair well with this mod.

Minecraft Enderman Character Plush

Minecraft Enderman Character Plush

Enderman plush toys, and a reliable gift for a younger player.

View on Amazon →

As an Amazon Associate I earn from qualifying purchases.

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Included in Modpacks (621)

Show fewer
Hisoka Optimized Hisoka Optimized Vanilla Mastered Vanilla Mastered JustPack JustPack HoopieSMP HoopieSMP JS Basic Play JS Basic Play Wonders Reimagined Wonders Reimagined Roimy Zomsa’s Lightweight Mods Roimy Zomsa’s Lightweight Mods Optimized Optimization Optimized Optimization Telium Telium KnopiaPack KnopiaPack RС QoL RС QoL Candyy Candyy Nayxo's Trailer Modpack Nayxo's Trailer Modpack vilmiComfort vilmiComfort Decorator Pack Decorator Pack Save My PC Save My PC Game Speed Optimized Game Speed Optimized Era of Civilization Era of Civilization BULA SMP BULA SMP KillManiac's modpack KillManiac's modpack Jellisy Vanilla Jellisy Vanilla Jitsonville Pack Jitsonville Pack The True Vanilla The True Vanilla Properly Optimized // [1.3.2] Properly Optimized // [1.3.2] Simply Optimized 2 Simply Optimized 2 Sorcerer Sorcerer Fedorista's Modpack Fedorista's Modpack Pervenience Pervenience Creatively Create Butter Minecraft Butter Minecraft NasheyPvP NasheyPvP Aetherseekers Aetherseekers That Time I Got 999+ FPS That Time I Got 999+ FPS Vanilla Seasoning Vanilla Seasoning Remboy optimized Neo Remboy optimized Neo Gorgeous Optimizations Gorgeous Optimizations Simply Optimized Rebirth Simply Optimized Rebirth Minevui Optimized Minevui Optimized Creative FPS+ Creative FPS+ The Core Modpack The Core Modpack visually perfected visually perfected Jordan's Modpack Jordan's Modpack Bambam Modpack Bambam Modpack Sestain's Optimizations Sestain's Optimizations Snobblemon Regions Snobblemon Regions Yet Another Vanilla But Better (YAVBB) Yet Another Vanilla But Better (YAVBB) Kdogs Fps+ Kdogs Fps+ Snowbound Serenity Snowbound Serenity CARCHcraft CARCHcraft Your's Optimized Your's Optimized RMC Optimization RMC Optimization Icabu 4 modpack Icabu 4 modpack OPdium OPdium Shades 'n' Shine Shades 'n' Shine PI Craft PI Craft UnstableCraft UnstableCraft Hpixel-Optimized Hpixel-Optimized AWAWA'S Clan AWAWA'S Clan Sorcerer+ Sorcerer+ vxsp vxsp Just Vanilla Just Vanilla Mesh Shaded Mesh Shaded MVanilla MVanilla Beautiful For You Beautiful For You Superior Performance Superior Performance Joseph'ly Optimised Joseph'ly Optimised XVIII-TheLunarSMP XVIII-TheLunarSMP Jack Pack Jack Pack Yet Another Client Modpack Yet Another Client Modpack aFrog's CPVP Modpack aFrog's CPVP Modpack FortPerf FortPerf Steel Steel Just a Random Vanilla Adventure Just a Random Vanilla Adventure Nirvanium Nirvanium Vanilla+ Fabric Server Vanilla+ Fabric Server WildWorld WildWorld Legend's Optimized FOR SURVIVAL Legend's Optimized FOR SURVIVAL Server705 Server705 FPS Perfected FPS Perfected iiZo7al PvP iiZo7al PvP Performance Only Performance Only The Fourth Wall SMP Modpack Vanila+ by Sqeeze Vanila+ by Sqeeze JustImproved JustImproved Legend's Optimized FOR BUILDER Legend's Optimized FOR BUILDER FPS - The Easy Way FPS - The Easy Way MC: Serene Edition MC: Serene Edition Era do Panado II Era do Panado II WokPack Voxy WokPack Voxy ATKs Performance Mods ATKs Performance Mods Purely Optimized (NVIDIA) Purely Optimized (NVIDIA) Vanilla Vibes Vanilla Vibes KION | Vanilla Modpack KION | Vanilla Modpack Cleanslate SMP Modpack Cleanslate SMP Modpack HolyWorld FPS+ HolyWorld FPS+ XG's OptiQoL XG's OptiQoL Formium Optimized Formium Optimized Lemon pack Lemon pack Refabricated Beta Refabricated Beta Obsessively Optimized Obsessively Optimized

External Resources

CurseForge Modrinth Source Code Issues