diff --git a/manifests/postgres/configmap.yaml b/manifests/postgres/configmap.yaml
index 1681808..d9d4634 100644
--- a/manifests/postgres/configmap.yaml
+++ b/manifests/postgres/configmap.yaml
@@ -30,19 +30,20 @@ data:
     # DB Version: 17
     # OS Type: linux
     # DB Type: web
-    # Total Memory (RAM): 4 GB
+    # Total Memory (RAM): 8 GB
+    # Connections num: 20
     # Data Storage: ssd
 
-    max_connections = 200
-    shared_buffers = 1GB
-    effective_cache_size = 3GB
-    maintenance_work_mem = 256MB
+    max_connections = 20
+    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 = 5041kB
+    work_mem = 74898kB
     huge_pages = off
     min_wal_size = 1GB
     max_wal_size = 4GB