diff --git a/inventory/group_vars/ci b/inventory/group_vars/ci
index cf30c99375..67134f4033 100644
--- a/inventory/group_vars/ci
+++ b/inventory/group_vars/ci
@@ -18,6 +18,14 @@ external_hostname: resultsdb.ci.centos.org
 deployment_type: prod
 
 
+#
+# PostgreSQL configuration
+#
+
+shared_buffers: "32MB"
+effective_cache_size: "512MB"
+
+
 ############################################################
 # resultsdb details
 ############################################################