2024-08-11 10:08:41 +00:00
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{
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lib,
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pkgs,
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...
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2024-08-25 15:02:35 +00:00
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}:
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{
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2024-08-11 10:08:41 +00:00
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services.minecraft-server = {
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enable = true;
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eula = true;
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openFirewall = true;
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package = pkgs.minecraftServers.vanilla-1-21;
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# Aikar's flag
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# https://aikar.co/2018/07/02/tuning-the-jvm-g1gc-garbage-collector-flags-for-minecraft/
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# https://docs.papermc.io/paper/aikars-flags
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jvmOpts = lib.concatStringsSep " " [
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"-Xms2G"
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"-Xmx2G"
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"-XX:+UseG1GC"
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"-XX:+ParallelRefProcEnabled"
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"-XX:MaxGCPauseMillis=200"
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"-XX:+UnlockExperimentalVMOptions"
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"-XX:+DisableExplicitGC"
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"-XX:+AlwaysPreTouch"
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"-XX:G1NewSizePercent=30"
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"-XX:G1MaxNewSizePercent=40"
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"-XX:G1HeapRegionSize=8M"
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"-XX:G1ReservePercent=20"
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"-XX:G1HeapWastePercent=5"
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"-XX:G1MixedGCCountTarget=4"
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"-XX:InitiatingHeapOccupancyPercent=15"
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"-XX:G1MixedGCLiveThresholdPercent=90"
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"-XX:G1RSetUpdatingPauseTimePercent=5"
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"-XX:SurvivorRatio=32"
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"-XX:+PerfDisableSharedMem"
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"-XX:MaxTenuringThreshold=1"
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"-Dusing.aikars.flags=https://mcflags.emc.gs"
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"-Daikars.new.flags=true"
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];
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declarative = true;
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serverProperties = {
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motd = "NixOS Minecraft server!";
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white-list = true;
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difficulty = 3;
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gamemode = 0;
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max-players = 5;
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};
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whitelist = {
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"Guanran928" = "86dbb6c5-8d8b-4c45-b8eb-b3fdf03bfb27";
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"i_love_ravens" = "2788dd4b-b010-4a2f-9b5c-aad0c0e0cba5";
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};
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};
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}
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