🛠️ 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 optimizeconfigcommand scans yourspigot.yml,bukkit.yml, andpaper.ymlto 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
/serverinfoand/gcinfocommands.
📋 Quick Start
- Drop the JAR into your
pluginsfolder. - Restart your server.
- Configure your preferences in
plugins/FixLag/config.yml. - Use
/serverinfoto 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!
All Versions
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MC-153831, MC-306840, MC-311414, and MC-263882.
Also note that the fix to MC-263882 is not a real 'fix'. To fix it will require either NMS patching (dangerous) or patching Paper/purpur (not my job here). The mitigation done for MC-263882 is simply to cap TNT speeds. This may or may not affect TNT cannon builds.
Along with a small code restructure.
2. improved code quality
- fixed tab completion
- added config file editing
- rounded some corners in the ux
- Mob stackers
- Small optimizations
- Auto config updates
1. A mob stacker (togglable)
2. Low-TPS based auto cleanup
3. Auto update configs
This version isn't much differient, only that it had some minor tweaks over last time
/serverinfoAdded some placeholders, such as
%fixlag_count% whcih is how many entities exterminated by fixlagFor this update, I added:
1. Update checking
2. Better
/serverinfo3. Better
/gcinfoconsidering adding aliases to these commands
## 🧪 Experiment contents:
🧪 - Update Checker (will add at
3.0.2)🧪 -
/serverinfo command for RAM, CPU, and other info & stats## ⚡ Enhancements
⚡ - Async Threading
⚡ - Less redundant code
⚡ - Code efficiency Improvements (commingat
3.0.3 or later) - Don't download the beta release!***
3.0 Official!
Added GC Info and more!
Issues might occur