Reduce metadata server auto restart time to 6 hrs

Author: johnalotoski

roles/metadata.nix

@@ -42,8 +42,8 @@ in {
     # Not yet available as an attribute for the Unit section in nixpkgs 20.09
     StartLimitBurst = 3;
 
-    # Restart every 12 hours until a memory leak is addressed
-    RuntimeMaxSec = 12 * 3600;
+    # Restart every 6 hours until a memory leak is addressed
+    RuntimeMaxSec = 6 * 3600;
   };
   systemd.services.metadata-webhook.serviceConfig = {
     Restart = "always";