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velocity: use raw ExecStart

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4mb of ram from extra bash process saved
This commit is contained in:
wo2wz 2025-12-21 16:28:59 -05:00
parent 718dcae809
commit e4dddd52b3
1 changed files with 8 additions and 9 deletions
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17
modules/nixos/services/gameserver/velocity.nix
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@ -1,4 +1,4 @@
{ inputs, config, pkgs, ... }:
{ inputs, config, pkgs, lib, ... }:
{
users.groups.velocity-secret.members = [
@ -111,14 +111,6 @@
wants = [ "network-online.target" ];
after = [ "network-online.target" ];
path = [ inputs.nixpkgs-pin.legacyPackages.${pkgs.stdenv.hostPlatform.system}.graalvm-ce ];
script = ''
java \
-Xmx1G -Xms1G -XX:+UseG1GC -XX:G1HeapRegionSize=4M -XX:+UnlockExperimentalVMOptions -XX:+ParallelRefProcEnabled -XX:+AlwaysPreTouch -XX:MaxInlineLevel=15 \
-Dvelocity.max-known-packs=264 \
-jar /var/lib/velocity/velocity-3.4.0-SNAPSHOT-558.jar
'';
serviceConfig = {
User = "velocity";
Group = "velocity";
@ -128,6 +120,13 @@
# velocity doesnt have a --config :(
BindReadOnlyPaths = "/etc/velocity/velocity.toml:%S/velocity/velocity.toml";
ExecStart = lib.concatStringsSep " " [
"${lib.getExe inputs.nixpkgs-pin.legacyPackages.${pkgs.stdenv.hostPlatform.system}.graalvm-ce}"
"-Xmx1G -Xms1G -XX:+UseG1GC -XX:G1HeapRegionSize=4M -XX:+UnlockExperimentalVMOptions -XX:+ParallelRefProcEnabled -XX:+AlwaysPreTouch -XX:MaxInlineLevel=15"
"-Dvelocity.max-known-packs=264"
"-jar /var/lib/velocity/velocity-3.4.0-SNAPSHOT-558.jar"
];
Type = "exec";
Restart = "always";