postgresql: increase log level

hosts/by-name/servo/services/postgresql/default.nix

@@ -45,10 +45,10 @@ in
   #     LC_CTYPE = "C";
   # '';
 
+  services.postgresql.settings = {
     # perf tuning
     # - for recommended values see: <https://pgtune.leopard.in.ua/>
     # - for official docs (sparse), see: <https://www.postgresql.org/docs/11/config-setting.html#CONFIG-SETTING-CONFIGURATION-FILE>
-  services.postgresql.settings = {
     # DB Version: 16
     # OS Type: linux
     # DB Type: web
@@ -72,6 +72,9 @@ in
     max_parallel_workers_per_gather = 4;
     max_parallel_workers = 12;
     max_parallel_maintenance_workers = 4;
+
+    # DEBUG OPTIONS:
+    log_min_messages = "DEBUG1";
   };
 
   # regulate the restarts, so that systemd never disables it
@@ -80,6 +83,7 @@ in
   systemd.services.postgresql.serviceConfig.RestartMaxDelaySec = 10;
   systemd.services.postgresql.serviceConfig.RestartSteps = 4;
   systemd.services.postgresql.serviceConfig.StartLimitBurst = 120;
+  # systemd.services.postgresql.serviceConfig.TimeoutStartSec = "14400s";  #< 14400 = 4 hours; recoveries are long
 
   # daily backups to /var/backup
   services.postgresqlBackup.enable = true;