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FixLag

ModrinthSpigotMC

Actually fixing lag instead of just clearing ground items.

5.1k downloads 10 followers updated 14d ago
latest v3.15.1 Modrinth
Bukkit Paper Purpur Spigot 1.7.2 – 26.1.2 ManagementOptimizationUtility

🛠️ FixLag: Performance without Compromise

FixLag is a lightweight but powerful performance suite for Paper, Purpur, and Spigot servers. While most lag-fix plugins simply delete items on a timer, FixLag uses Smart Analysis to keep your server running at a smooth 20 TPS without breaking your players' hard-earned farms.

🚀 Why choose FixLag?

  • 🛠️ Actually Fixing Lag: The /fixlag optimizeconfig command scans your spigot.yml, bukkit.yml, and paper.yml to suggest better settings used by more experienced server admins. This prevents major sources of lag permanently.
  • ❌ No More Accidental Deletions: With the Retrieve GUI, players can recover items that were cleared during a cleanup. You can also whitelist custom-named items.
  • 🧠 Reactive Scaling: Features like Dynamic Distance and Explosion Optimization only kick in when the server actually struggles. If your TPS is fine, FixLag stays out of the way.
  • 📈 Staff Alerts: Get instant notifications if a player is creating an entity-lag machine or if RAM usage exceeds 90%.

✨ Feature Highlights

  • Mob Stacking: Merges mobs into stacks to save CPU cycles.
  • Chunk Analyzer: Instantly find which base or farm is causing the most entity lag.
  • Smart Clear: Only clears entities when TPS drops below your target (e.g., 16.0).
  • Detailed Stats: Beautifully formatted /serverinfo and /gcinfo commands.

📋 Quick Start

  1. Drop the JAR into your plugins folder.
  2. Restart your server.
  3. Configure your preferences in plugins/FixLag/config.yml.
  4. Use /serverinfo to check your current performance!

Permissions: FixLag uses standard permissions (e.g., fixlag.command, fixlag.serverinfo). All commands default to OP.

Support: Found a bug? Please report it on our GitHub Issues page!

Versions

Release
3.15.1
bukkit, paper, purpur · 1.17, 1.17.1, 1.18 · 14d ago
last version won't run.
249
Release
3.15.0
bukkit, paper, purpur · 1.17, 1.17.1, 1.18 · 14d ago
Added fixlag status and patched multiple race conditions & potential bugs
7
Release
3.12
bukkit, paper, purpur · 1.17, 1.17.1, 1.18 · 2mo ago
New redstone checks. Along with a small code restructure.
641
Release
3.11.1
bukkit, paper, purpur · 1.17, 1.17.1, 1.18 · 3mo ago
288
Release
3.11
bukkit, paper, purpur · 1.17, 1.17.1, 1.18 · 3mo ago
1. added lag notifiers 2. improved code quality
13
Release
3.10
bukkit, paper, purpur · 1.17, 1.17.1, 1.18 · 3mo ago
138
Release
3.9.1
bukkit, paper, purpur · 1.17, 1.17.1, 1.18 · 5mo ago
Major internal recode.
472
Release
3.9.0
bukkit, paper, purpur · 1.17, 1.17.1, 1.18 · 5mo ago
- fixed tab completion - added config file editing - rounded some corners in the ux
166
Release
3.7.1
bukkit, paper, purpur · 1.17, 1.17.1, 1.18 · 5mo ago
Remove ground projectiles
26
Release
3.7
bukkit, paper, purpur · 1.17, 1.17.1, 1.18 · 5mo ago
Added Chunk Analysis & Actionbar Notifs
24
Release
3.6.3
bukkit, paper, purpur · 1.17, 1.17.1, 1.18 · 6mo ago
added avg timeout
44
Release
3.6.2
bukkit, paper, purpur · 1.17, 1.17.1, 1.18 · 6mo ago
added small qol features
124

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SpigotMC
R 3.15.1 1.17, 1.17.1, 1.18 bukkit, paper, purpur 2.8 MB R 3.15.0 1.17, 1.17.1, 1.18 bukkit, paper, purpur 156 KB R 3.12 1.17, 1.17.1, 1.18 bukkit, paper, purpur 97 KB R 3.11.1 1.17, 1.17.1, 1.18 bukkit, paper, purpur 87 KB R 3.11 1.17, 1.17.1, 1.18 bukkit, paper, purpur 82 KB R 3.10 1.17, 1.17.1, 1.18 bukkit, paper, purpur 83 KB R 3.9.1 1.17, 1.17.1, 1.18 bukkit, paper, purpur 78 KB R 3.9.0 1.17, 1.17.1, 1.18 bukkit, paper, purpur 75 KB R 3.7.1 1.17, 1.17.1, 1.18 bukkit, paper, purpur 61 KB R 3.7 1.17, 1.17.1, 1.18 bukkit, paper, purpur 61 KB R 3.6.3 1.17, 1.17.1, 1.18 bukkit, paper, purpur 57 KB R 3.6.2 1.17, 1.17.1, 1.18 bukkit, paper, purpur 56 KB R 3.6.1 1.17, 1.17.1, 1.18 bukkit, paper, purpur 56 KB R 3.6 1.17, 1.17.1, 1.18 bukkit, paper, purpur 56 KB R 3.5.1 1.17, 1.17.1, 1.18 bukkit, paper, purpur 49 KB R 3.4.1 1.17, 1.17.1, 1.18 bukkit, paper, purpur 45 KB R 3.4 1.18, 1.18.1, 1.18.2 bukkit, paper, purpur 45 KB R 3.3.2 1.17, 1.17.1, 1.18 bukkit, paper, purpur 17 KB R 3.3.1 1.19, 1.19.1, 1.19.2 bukkit, paper, purpur 17 KB R 3.3 1.19, 1.19.1, 1.19.2 bukkit, paper, purpur 17 KB R 3.2 1.17, 1.17.1, 1.18 bukkit, paper, purpur 16 KB R 3.1 1.17, 1.17.1, 1.18 bukkit, paper, purpur 16 KB B 3.0.8 1.17, 1.17.1, 1.18 bukkit, paper, purpur 16 KB B 3.0.6 1.17, 1.17.1, 1.18 bukkit, paper, purpur 16 KB B 3.0.5 1.17, 1.17.1, 1.18 bukkit, paper, purpur 16 KB B 3.0.4 1.17, 1.17.1, 1.18 bukkit, paper, purpur 16 KB B 3.0.3 1.17, 1.17.1, 1.18 bukkit, paper, purpur 16 KB B 3.0.2 1.17, 1.17.1, 1.18 bukkit, paper, purpur 15 KB B 3.0.1 1.17, 1.17.1, 1.18 bukkit, paper, purpur 12 KB R 3.0 1.17, 1.17.1, 1.18 bukkit, paper, purpur 11 KB B 3.0 1.17, 1.17.1, 1.18 bukkit, paper, purpur 9 KB B 3.0 1.19, 1.19.1, 1.19.2 bukkit, paper, purpur 6 KB R 2.6.2 1.19, 1.19.1, 1.19.2 bukkit, paper, purpur 15 KB B 2.6.1 1.19, 1.19.1, 1.19.2 bukkit, paper, purpur 14 KB R 2.6 1.19, 1.19.1, 1.19.2 bukkit, paper, purpur 14 KB R 2.5.1 1.19, 1.19.1, 1.19.2 bukkit, paper, purpur 14 KB R 2.5 1.19, 1.19.1, 1.19.2 bukkit, paper, purpur 14 KB R 2.4 1.19, 1.19.1, 1.19.2 bukkit, paper, purpur 14 KB R 2.3.1 1.19, 1.19.1, 1.19.2 bukkit, paper, purpur 11 KB R 2.3 1.19, 1.19.1, 1.19.2 bukkit, paper, purpur 11 KB R 2.2.4 1.7.2, 1.7.3, 1.7.4 bukkit, paper, purpur 8 KB R 2.2.4 1.19, 1.19.1, 1.19.2 bukkit, paper, purpur 8 KB B 2.2.3 1.7.2, 1.7.3, 1.7.4 bukkit, paper, purpur 8 KB R 2.2.3 1.19, 1.19.1, 1.19.2 bukkit, paper, purpur 8 KB B 2.2.2 1.7.2, 1.7.3, 1.7.4 bukkit, paper, purpur 7 KB R 2.2.2 1.19, 1.19.1, 1.19.2 bukkit, paper, purpur 7 KB R 2.2.1 1.19, 1.19.1, 1.19.2 bukkit, paper, purpur 6 KB R 2.2 1.19, 1.19.1, 1.19.2 bukkit, paper, spigot 6 KB B 2.1 1.21, 1.21.1, 1.21.2 bukkit, paper, purpur 6 KB R 2.0.1 1.21, 1.21.1 bukkit, paper, purpur 6 KB

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