From d21ae91c3e64ccd9d85f43d1c74389e451f3ac0f Mon Sep 17 00:00:00 2001
From: teutat3s <teutates@mailbox.org>
Date: Sat, 22 Jun 2024 16:42:38 +0200
Subject: [PATCH] postgresql: tune

---
 modules/postgresql/default.nix | 20 ++++++++++++++++++++
 1 file changed, 20 insertions(+)

diff --git a/modules/postgresql/default.nix b/modules/postgresql/default.nix
index 2980bb09..580701d2 100644
--- a/modules/postgresql/default.nix
+++ b/modules/postgresql/default.nix
@@ -3,7 +3,27 @@
 {
   services.postgresql = {
     enable = true;
+    # Required for MediaWiki, connects via docker network
     enableTCPIP = true;
+    # https://pgtune.leopard.in.ua/ DB Version: 14 OS Type: linux DB Type: web
+    # Total Memory (RAM): 8 GB Data Storage: ssd
+    settings = {
+      max_connections = 200;
+      shared_buffers = "2GB";
+      effective_cache_size = "6GB";
+      maintenance_work_mem = "512MB";
+      checkpoint_completion_target = 0.9;
+      wal_buffers = "16MB";
+      default_statistics_target = 100;
+      random_page_cost = 1.1;
+      effective_io_concurrency = 200;
+      work_mem = "5242kB";
+      huge_pages = "off";
+      min_wal_size = "1GB";
+      max_wal_size = "4GB";
+      # ZFS is always consistent (Copy-On-Write)
+      full_page_writes = false;
+    };
   };
 
   systemd.services.postgresql = {