From 3dc56278c9e83efbbce8206634c14c9d81f08ffa Mon Sep 17 00:00:00 2001
From: satr14 <admin@satr14.my.id>
Date: Sun, 10 May 2026 10:50:02 +0700
Subject: [PATCH] zgc lag from pause fix

---
 modules/system/homelab/mc.nix | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/modules/system/homelab/mc.nix b/modules/system/homelab/mc.nix
index 505c34f..531253a 100644
--- a/modules/system/homelab/mc.nix
+++ b/modules/system/homelab/mc.nix
@@ -51,6 +51,10 @@ in {
         "-XX:+UseCompactObjectHeaders"
         "-XX:ZAllocationSpikeTolerance=5"
         "-XX:SoftMaxHeapSize=${toString (ram-allocation-mb - 2048)}M"
+
+        # High MSPT due to ZGC pauses
+        "-XX:ZUncommitDelay=300"
+        "-XX:ZCollectionInterval=5"
       ]; in lib.concatStringsSep " " flags;
 
       # extraStartPost = let gamerules = {