diff --git a/ops/nixos/totoro/default.nix b/ops/nixos/totoro/default.nix
index 1365ff187e..913f9a2eb7 100644
--- a/ops/nixos/totoro/default.nix
+++ b/ops/nixos/totoro/default.nix
@@ -46,6 +46,9 @@ in {
   boot.loader.efi.canTouchEfiVariables = true;
 
   services.postgresql.package = pkgs.postgresql_13;
+  services.postgresql.settings.shared_buffers = "16GB";
+  services.postgresql.settings.work_mem = "1GB";
+  services.postgresql.settings.maintenance_work_mem = "1GB";
 
   nix.maxJobs = lib.mkDefault 8;
   powerManagement.cpuFreqGovernor = lib.mkDefault "performance";