diff --git a/tests/templates/globals-default.j2 b/tests/templates/globals-default.j2
index 858b1bcb17..c694e47447 100644
--- a/tests/templates/globals-default.j2
+++ b/tests/templates/globals-default.j2
@@ -33,8 +33,8 @@ openstack_service_workers: "1"
 {% if scenario == "ceph" %}
 enable_ceph: "yes"
 enable_cinder: "yes"
-ceph_pool_pg_num: 64
-ceph_pool_pgp_num: 64
+ceph_pool_pg_num: 8
+ceph_pool_pgp_num: 8
 {% endif %}
 
 keystone_token_provider: "fernet"