diff --git a/hosts/best/postgresql.nix b/hosts/best/postgresql.nix
index e3f8ba3..6fab817 100644
--- a/hosts/best/postgresql.nix
+++ b/hosts/best/postgresql.nix
@@ -1,6 +1,9 @@
 { self, ... }: {
   imports = [(self + /modules/postgresql.nix)];
 
+  # postgres -C shared_memory_size_in_huge_pages -D /var/lib/postgresql/<version>.
+  boot.kernel.sysctl."vm.nr_hugepages" = 5265;
+
   # Generated by <https://pgconfigurator.cybertec.at/>
   services.postgresql.settings = {
     # Connectivity
@@ -11,7 +14,7 @@
     shared_buffers           = "10240 MB";
     work_mem                 = "64 MB";
     maintenance_work_mem     = "620 MB";
-    huge_pages               = "try"; # TODO: Tune kernel: <https://www.postgresql.org/docs/current/static/kernel-resources.html#LINUX-HUGE-PAGES>
+    huge_pages               = "try";
     effective_cache_size     = "45 GB";
     effective_io_concurrency = 100;
     random_page_cost         = 1.25;