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-rw-r--r--machines/fourmi/default.nix5
1 files changed, 5 insertions, 0 deletions
diff --git a/machines/fourmi/default.nix b/machines/fourmi/default.nix
index e942b3d..a853695 100644
--- a/machines/fourmi/default.nix
+++ b/machines/fourmi/default.nix
@@ -27,6 +27,11 @@
 
   virtualisation.docker.enable = lib.mkForce false;
 
+  # this eats io wait time for breakfast, shooting load up to 20
+  # on every restart after a downtime, blocking all cpu activity for hours.
+  # the fourmi sd card is simply not a good target for it, not worth it.
+  nix.optimise.automatic = lib.mkForce false;
+
   # extra packages for dealing with the device
   # hardware.
   environment.systemPackages = with pkgs; [