diff --git a/playbooks/roles/os_nova/defaults/main.yml b/playbooks/roles/os_nova/defaults/main.yml
index 7d8fdd9f4c..128a9d372a 100644
--- a/playbooks/roles/os_nova/defaults/main.yml
+++ b/playbooks/roles/os_nova/defaults/main.yml
@@ -31,6 +31,9 @@ nova_system_home_folder: "/var/lib/{{ nova_system_user_name }}"
 ## DB
 nova_galera_user: nova
 nova_galera_database: nova
+nova_db_max_overflow: 10
+nova_db_max_pool_size: 5
+nova_db_pool_timeout: 30
 
 ## RPC
 nova_rpc_backend: nova.openstack.common.rpc.impl_kombu
diff --git a/playbooks/roles/os_nova/templates/nova.conf.j2 b/playbooks/roles/os_nova/templates/nova.conf.j2
index 0b337b1bc6..7316629ebd 100644
--- a/playbooks/roles/os_nova/templates/nova.conf.j2
+++ b/playbooks/roles/os_nova/templates/nova.conf.j2
@@ -177,6 +177,9 @@ check_revocations_for_cached = False
 {% if inventory_hostname not in groups['nova_compute'] %}
 [database]
 connection = mysql://{{ nova_galera_user }}:{{ nova_container_mysql_password }}@{{ galera_address }}/{{ nova_galera_database }}?charset=utf8
+max_overflow = {{ nova_db_max_overflow }}
+max_pool_size = {{ nova_db_max_pool_size }}
+pool_timeout = {{ nova_db_pool_timeout }}
 {% endif %}