From 255cb34846a426479ba0a3b38cd6f66a4b11718d Mon Sep 17 00:00:00 2001
From: coolneng <akasroua@gmail.com>
Date: Mon, 25 Mar 2024 13:41:31 +0100
Subject: [PATCH] Limit resource usage when performing upgrades

---
 configuration.nix | 18 +++++++++++-------
 1 file changed, 11 insertions(+), 7 deletions(-)

diff --git a/configuration.nix b/configuration.nix
index 868a4fa..f5e39e1 100644
--- a/configuration.nix
+++ b/configuration.nix
@@ -180,13 +180,17 @@ with pkgs;
   system.autoUpgrade = {
     enable = true;
     flake = "/home/coolneng/system";
-    flags = [
-      "--update-input"
-      "agenix"
-      "--update-input"
-      "nixpkgs"
-      "--commit-lock-file"
-    ];
+    flags =
+      [ "--update-input agenix --update-input nixpkgs" "--commit-lock-file" ];
+  };
+
+  # Limit the memory and CPU use of Nix
+  systemd.services.nixos-upgrade.serviceConfig = {
+    MemoryHigh = [ "500M" ];
+    MemoryMax = [ "2048M" ];
+    CPUWeight = [ "20" ];
+    CPUQuota = [ "85%" ];
+    IOWeight = [ "20" ];
   };
 
   # Configure git for auto-upgrade