Server Flags Generator

Generate Minecraft server startup scripts with optimal JVM flags for Linux, Windows and Java.

Server file

The .jar file to launch. Must be in the same directory as the script.

Flags

Running Java without special flags (default settings)

Optimal flags for Paper. Suitable for most cases More

Modern flags with low GC latency but higher memory usage (Java 21+) More

Alternative low-latency GC flags (Temurin JDK recommended) More

Optimized flags for a proxy server More

Options

GUI

Control panel

Auto-restart

Restart after stop

Ignore Java version

Add -Dpaper.ignoreJavaVersion=true flag

Память: 4 GB

Result

1#!/bin/bash
2 
3java -Xms4096M -Xmx4096M --add-modules=jdk.incubator.vector -XX:+UseG1GC -XX:+ParallelRefProcEnabled -XX:MaxGCPauseMillis=200 -XX:+UnlockExperimentalVMOptions -XX:+DisableExplicitGC -XX:+AlwaysPreTouch -XX:G1NewSizePercent=30 -XX:G1MaxNewSizePercent=40 -XX:G1HeapRegionSize=8M -XX:G1ReservePercent=20 -XX:G1HeapWastePercent=5 -XX:G1MixedGCCountTarget=4 -XX:InitiatingHeapOccupancyPercent=15 -XX:G1MixedGCLiveThresholdPercent=90 -XX:G1RSetUpdatingPauseTimePercent=5 -XX:SurvivorRatio=32 -XX:+PerfDisableSharedMem -XX:MaxTenuringThreshold=1 -Dusing.aikars.flags=https://mcflags.emc.gs -Daikars.new.flags=true  -jar server.jar --nogui