diff --git a/puppet/zulip_internal/files/nagios3/conf.d/services.cfg b/puppet/zulip_internal/files/nagios3/conf.d/services.cfg
index c2d0b28613..f92c692c9b 100644
--- a/puppet/zulip_internal/files/nagios3/conf.d/services.cfg
+++ b/puppet/zulip_internal/files/nagios3/conf.d/services.cfg
@@ -207,21 +207,21 @@ define service {
         contact_groups                  admins
 }
 
-# define service {
-#         use                             generic-service
-#         service_description             Check postgres txn_idle
-#         check_command                   check_postgres_alert_args!zulip!zulip!txn_idle!20 seconds!40 seconds
-#         hostgroup                       postgres
-#         contact_groups                  admins
-# }
+define service {
+        use                             generic-service
+        service_description             Check postgres txn_idle
+        check_command                   check_postgres_alert_args!zulip!zulip!txn_idle!20 seconds!40 seconds
+        hostgroup                       postgres_appdb
+        contact_groups                  admins
+}
 
-# define service {
-#         use                             generic-service
-#         service_description             Check postgres txn_time
-#         check_command                   check_postgres_alert_args!zulip!zulip!txn_time!20 seconds!40 seconds
-#         hostgroup                       postgres
-#         contact_groups                  admins
-# }
+define service {
+        use                             generic-service
+        service_description             Check postgres txn_time
+        check_command                   check_postgres_alert_args!zulip!zulip!txn_time!20 seconds!40 seconds
+        hostgroup                       postgres_appdb
+        contact_groups                  admins
+}
 
 ## non-appdb check_postgres.pl checks
 
@@ -273,6 +273,22 @@ define service {
         contact_groups                  admins
 }
 
+define service {
+        use                             generic-service
+        service_description             Check postgres txn_idle
+        check_command                   check_postgres_alert_args!wiki,trac!zulip!txn_idle!20 seconds!40 seconds
+        host                            trac
+        contact_groups                  admins
+}
+
+define service {
+        use                             generic-service
+        service_description             Check postgres txn_time
+        check_command                   check_postgres_alert_args!wiki,trac!zulip!txn_time!20 seconds!40 seconds
+        host                            trac
+        contact_groups                  admins
+}
+
 define service {
         use                             generic-service
         service_description             Check FTS update log length