ModsJava
SkyOptiRAM
Java mod listed for Minecraft 1.21. Downloads from the MC Java Mods app on Android.
A lightweight and smart RAM optimization plugin for Spigot/Paper that automates garbage collection to prevent lag spikes and memory leaks.
⬇ Download on Modrinth⚡ SkyOptiRAM — Smooth Server Performance
SkyOptiRAM is an essential utility plugin designed to keep your Minecraft server running smoothly by optimizing Java Virtual Machine (JVM) memory usage. It automates RAM cleaning (Garbage Collection) and manages resources effectively to eliminate memory leaks and sudden TPS drops.
🚀 Key Features:
- 🧹 Automated Garbage Collection: Cleans unused memory at customizable intervals.
- 📈 Lag Spike Prevention: Carefully runs optimization tasks in a way that doesn't disrupt players.
- ⚙️ Configurable: Fully adjust the cleaning intervals and custom messages in the
config.yml. - 📊 Lightweight: Zero background overhead. Written with performance in mind.
🛠️ Requirements:
- Server software: Paper, Spigot, Purpur or any modern fork.
- Minecraft Versions: 1.21 – 1.21.11+
- Java Version: Java 21 is required[cite: 1, 3]!
Quick facts
- Edition: Minecraft Java
- File type: .jar
- Minecraft version listed: 1.21.11
- How to install: Install the matching mod loader (Forge, Fabric or NeoForge) for your Minecraft version. → Download the .jar. → Put it in the .minecraft/mods folder and launch that loader profile.
- Where to get it: Opens on Modrinth — not every file is mirrored on our own servers.
Install steps are the general flow for this file type — How to install Minecraft Java mods & modpacks walks through it step by step.
File checked by MCModsHub
- Ships as SkyOptiRAM-1.0.jar — drop this file into the mods folder
- Download size: 12 KB
- Download link checked 10 Oct 2026 — working
These come from our own check of the pack file, not from the source page.