MemGuard
- By
Reduces RAM usage in large modpacks and servers by caching NBT strings, monitoring memory usage, and triggering garbage collection at optimal times.
SeishiroNagi | MemGuard
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MemGuard
Smart RAM control for modded Minecraft.
Less stutter. Fewer freeze spikes. Better long-session stability.
Why Players Install MemGuard
- Stabilizes memory usage in big modpacks and long play sessions.
- Cuts duplicate NBT string allocations to reduce RAM pressure.
- Adds memory warnings before your session becomes unstable.
- Runs safely with standard loader/JVM APIs (no native hooks).
Feature Highlights
| Feature | Description |
|---|---|
| Periodic GC Assist | Triggers safe periodic cleanup to limit long-session memory buildup. |
| NBT String Dedup Cache | Reuses repeated hot strings instead of reallocating them thousands of times. |
| Memory Pressure Monitor | Warns in logs when heap usage gets risky. |
| Texture Upload Cleanup | Client-side cleanup path reduces unnecessary memory retention after atlas upload. |
Supported Versions
| Loader | Minecraft | Java |
|---|---|---|
| Forge | 1.20.2+ | 21+ |
| NeoForge | 1.21+ | 21+ |
| Fabric | 1.21+ | 21+ |
Check the Files tab for exact build mapping per version.
Compatibility Notes
- Known good with FerriteCore and AllTheLeaks.
- If logs mention missing Create classes, verify Create and Create addons are on the same update line (Update 5 with Update 5 addons, or Update 6 with Update 6 addons).
- That Create class mismatch is usually not caused by MemGuard itself.
Quick Install
- Install the correct loader for your Minecraft version.
- Use Java 21+.
- Put
MemGuard.jarin yourmodsfolder. - Start the game and check
latest.logfor[MemGuard]entries.
Support the Project
If MemGuard made your game feel smooth again, consider leaving a tip — it keeps the coffee ☕ flowing and the fixes coming!
Every coffee helps — thank you for playing! 💙
Build smoother modpacks, not restart loops.
Use MemGuard when your world is big and your sessions are long.
MemGuard Team
Owner
