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Smart Chunk Janitor project artwork

CurseForge · Minecraft mod

Smart Chunk Janitor

Server-side anti-lag utility featuring death-drop-safe item sweeps, wall-safe item & XP clumping, per-chunk entity limiting, and Entity + TileEntity lag diagnostics.

Choose a version Pick your version below, then grab the matching file.

Quick answer

Which Smart Chunk Janitor release should I use?

Updated today
Latest stable file [Forge 1.14.x] FastValus v3.1.0 - MAX-FPS (4GB 120FPS / 32GB 500FPS) & 128 Chunks
Game version 1.14.3, 1.14.4, 1.14.1
Loader Forge

Smart Chunk Janitor [Forge 1.14.x] FastValus v3.1.0 - MAX-FPS (4GB 120FPS / 32GB 500FPS) & 128 Chunks targets 1.14.3, 1.14.4, 1.14.1 with Forge. The project page does not say whether this file belongs on the client, dedicated server, or both. No extra mods listed for this file.

Where it goes

Is Smart Chunk Janitor required on the client, server, or both?

The project page does not say whether this file belongs on the client, dedicated server, or both.

Client Source doesn’t say
Dedicated server Source doesn’t say
Loader for this release Forge
Required install it here Optional supported, not mandatory Not supported do not install here Source doesn’t say do not assume

The source does not explicitly classify this release as client-only or server-only.

What else does Smart Chunk Janitor [Forge 1.14.x] FastValus v3.1.0 - MAX-FPS (4GB 120FPS / 32GB 500FPS) & 128 Chunks need?

[Forge 1.14.x] FastValus v3.1.0 - MAX-FPS (4GB 120FPS / 32GB 500FPS) & 128 Chunks. Change the file and its required mods may change too.

No extra mods listed for this file

This file does not list any required mods. Do not add a library just because a different file uses it.

This file does not list any required or optional mods.

Before you install it

Add Smart Chunk Janitor without breaking your instance.

Built for Smart Chunk Janitor [Forge 1.14.x] FastValus v3.1.0 - MAX-FPS (4GB 120FPS / 32GB 500FPS) & 128 Chunks. Pick another file and the loader, install side or required mods may change.

  1. 01

    Stick to this file

    Use [Forge 1.14.x] FastValus v3.1.0 - MAX-FPS (4GB 120FPS / 32GB 500FPS) & 128 Chunks. It targets 1.14.3, 1.14.4, 1.14.1 with Forge; another release may have different loader, side or dependency requirements.

  2. 02

    Bring the mods it needs

    This file does not list any required mods. Do not add a library just because a different file uses it.

  3. 03

    Put it on the correct side

    The project page does not say whether this file belongs on the client, dedicated server, or both.

  4. 04

    Pick the file you checked

    Use the “Get this file” button beside [Forge 1.14.x] FastValus v3.1.0 - MAX-FPS (4GB 120FPS / 32GB 500FPS) & 128 Chunks. It opens that exact file at the source.

About this project

What does Smart Chunk Janitor add?

⚡ FastValus: All-in-One Hyper-FPS, 128-Chunk Horizon & Server Optimizer

🚀 One lightweight, zero-conflict optimization suite combining the best techniques of EntityCulling, Enhanced Block Entities, Dynamic FPS, Pufferfish DAB Mob AI, Clumps, Bobby/Extended-Horizon, and Loot-Safe Server Anti-Lag — stacking 100% conflict-free on top of Sodium, Embeddium, Iris, Lithium & Distant Horizons!

Client + Server Synergy Minecraft 1.12 - 26.3 Loaders: Forge | NeoForge | Fabric | Quilt Sodium & Embeddium Synergy


🏆 How FastValus Surpasses Single-Purpose Optimizers (With 0% Conflicts!)

Every popular optimization mod solves only one slice of Minecraft's bottlenecks—and many crash when combined due to invasive @Overwrite Mixins:

Bottleneck Other Mods' Weakness FastValus v3.0 Solution (Zero Mixins!)
Terrain vs. Entities Sodium / Embeddium only speed up static block chunks; FPS still tanks in bases, farms, and hubs. Stacks 100% conflict-free with Sodium/Embeddium while culling hidden Entities, BlockEntities, and NameTags!
Chests, Signs & Machines Enhanced Block Entities uses baked-model overrides that can break modded chests or shaders. Zero-Mixin BlockEntityRenderer Wrapper culls wall-occluded & distant Chests, Signs, Shulkers, Skulls, Banners & Modded Machines while preserving offscreen Beacons!
Hidden Mobs & NameTags EntityCulling doesn't cull multi-pass translucent NameTags by distance or adapt to FPS drops. 6-Tick Cached 2-Ray Occlusion + Tiered Sight Ranges + Multi-Pass NameTag Culler (yields raycast automatically if EntityCulling is present).
Distant Mob AI CPU Lag Lithium / Canary still tick 500+ idle distant mobs 20 times/sec; Mixins can conflict in big modpacks. Dynamic Activation of Brains (DAB): safely throttles idle grounded non-combat mobs (2x at 32–64m, 4x at >64m) with zero NBT changes!
Alt-Tab GPU Burn Vanilla burns 100% GPU while minimized; some background mods break custom title screens. Unfocused Window GPU Saver: drops idle FPS to 15 FPS on Alt-Tab and restores instantly on focus (yields if DynamicFPS is installed).
32-Chunk Horizon Wall Vanilla & Sodium GUI sliders stop at 32 chunks; raising view distance normally kills server TPS. 100+ to 128-Chunk Unlocker + /fastvalus viewdistance 110 + Automatic Simulation-Distance Lock (<= 6 chunks) + Crystal-Clear Fog!
XP & Ground Item Floods Clumps pulls orbs through solid walls; ClearLag deletes players' fresh Death Drops & Shulkers! Wall-Safe 1.5m Raycast Item/XP Clumping + 45s Death-Drop Protection + Shulker/Backpack NBT Protection + Breeder-Safe Chunk Limiter!

💻 Commands (/fastvalus or /fv)

Command Description
/fastvalus fps (or /fv fps) Live Hyper-FPS & Server Telemetry: Real FPS, EMA, Governor Mode, Horizon Chunks, Culled Mobs/BlockEntities/Tags per sec, AI-DAB Ticks Saved/s, and Heap Memory!
/fastvalus viewdistance <2..256> Instantly applies 100+ to 256 chunks (e.g. /fv viewdistance 110) across Server & Client (works even with Sodium's 32-chunk GUI!) while locking Simulation Distance at 6 chunks.
/fastvalus memory Displays real-time JVM Heap Used / Max MB, Allocation Rate (MB/s), and Zero-GC-Stall health.
/fastvalus stats Dual Lag Radar: Top 5 Chunks by Entities + Top 5 Chunks by BlockEntities (TileEntities).
/fastvalus clear [all] Runs an immediate loot-safe ground item sweep (or clear all ignoring the 45s fresh-drop timer).
/fastvalus toggle Pauses or resumes automatic timed ground item sweeps.

📦 Modpack Permission

✅ 100% Free to include in ANY CurseForge, Modrinth, or private Modpack / Server! Engineered for automatic synergy with Sodium, Embeddium, Rubidium, Iris, Oculus, Lithium, Canary, Radium, EntityCulling, DynamicFPS, FerriteCore, ModernFix, and Distant Horizons.

Project description from CurseForge.

Pick your setup

Smart Chunk Janitor by Minecraft version and loader

Choose the version and loader you play, then open the matching release.

185 available setups
Minecraft version

26.3-snapshot

4 loader builds
Minecraft version

26.3

4 loader builds
Minecraft version

26.2-snapshot

4 loader builds
Minecraft version

26.2

4 loader builds
Minecraft version

26.1.2

4 loader builds
Minecraft version

26.1.1

4 loader builds
Minecraft version

26.1-snapshot

4 loader builds
Minecraft version

26.1

4 loader builds
Minecraft version

1.21.11

4 loader builds
Minecraft version

1.21.10

4 loader builds
Minecraft version

1.21.9

4 loader builds
Minecraft version

1.21.8

4 loader builds

Showing the newest 12 of 57 game versions. Older files are in the list below.

Check the dependencies, then try the file in a copied instance before changing a world you care about.

Recent files

Smart Chunk Janitor versions and loaders

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Looking for an older file? The official CurseForge project page is in Resources.