{ lib, ... }: { systemd.sleep.extraConfig = '' AllowSuspend=no AllowHibernation=no ''; systemd.services.nix-daemon.serviceConfig = { CPUSchedulingPolicy = lib.mkForce "batch"; IOSchedulingClass = lib.mkForce "best-effort"; # 0: high priority, 7: low priority IOSchedulingPriority = lib.mkForce 4; }; systemd.services.nix-gc.serviceConfig = { CPUSchedulingPolicy = "batch"; IOSchedulingClass = "best-effort"; IOSchedulingPriority = 7; Nice = 5; }; }