diff --git a/config/hosts/seras/configuration.nix b/config/hosts/seras/configuration.nix
index 9d4b4af..b4e062b 100644
--- a/config/hosts/seras/configuration.nix
+++ b/config/hosts/seras/configuration.nix
@@ -21,6 +21,26 @@
     ];
   };
 
+  services.postgresql.settings = {
+    max_connections = 200;
+    shared_buffers = "24GB";
+    effective_cache_size = "72GB";
+    maintenance_work_mem = "2GB";
+    checkpoint_completion_target = 0.9;
+    wal_buffers = "16MB";
+    default_statistics_target = 100;
+    random_page_cost = 1.1;
+    effective_io_concurrency = 200;
+    work_mem = "31457kB";
+    huge_pages = "try";
+    min_wal_size = "1GB";
+    max_wal_size = "4GB";
+    max_worker_processes = 32;
+    max_parallel_workers_per_gather = 4;
+    max_parallel_workers = 32;
+    max_parallel_maintenance_workers = 4;
+  };
+
   kyouma.ooklaserver = {
     enable = true;
     openFirewall = true;