From 3acb95f7455f8ccdd21021242559b6bd7a2fa468 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?L=C3=A9ana=20=E6=B1=9F?= <leana.jiang+git@icloud.com>
Date: Sun, 18 Jan 2026 00:10:07 +0100
Subject: [PATCH] hetzner_benchmark: update {min,max}-free with a formula

---
 nix/configurations/hetzner_benchmark/nixos/sane-nix.nix | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

diff --git a/nix/configurations/hetzner_benchmark/nixos/sane-nix.nix b/nix/configurations/hetzner_benchmark/nixos/sane-nix.nix
index 3419eae6..54f76994 100644
--- a/nix/configurations/hetzner_benchmark/nixos/sane-nix.nix
+++ b/nix/configurations/hetzner_benchmark/nixos/sane-nix.nix
@@ -1,9 +1,11 @@
 # Protect my system from running out of storage or memory
+let
+  totalStorage = 500;
+in
 {
-  # 500GB Storage
   nix.settings = {
-    min-free = 50 * 1024 * 1024 * 1024;
-    max-free = 100 * 1024 * 1024 * 1024;
+    min-free = builtins.ceil (totalStorage * 0.2) * 1024 * 1024 * 1024;
+    max-free = builtins.ceil (totalStorage * 0.3) * 1024 * 1024 * 1024;
   };
 
   systemd.services.nix-daemon.serviceConfig = {