diff --git a/ansible/roles/nova/templates/nova.conf.j2 b/ansible/roles/nova/templates/nova.conf.j2
index 20c3c29c90..08ef21e9e0 100644
--- a/ansible/roles/nova/templates/nova.conf.j2
+++ b/ansible/roles/nova/templates/nova.conf.j2
@@ -120,6 +120,8 @@ password = {{ neutron_keystone_password }}
 
 [database]
 connection = mysql+pymysql://{{ nova_database_user }}:{{ nova_database_password }}@{{ nova_database_address }}/{{ nova_database_name }}
+max_pool_size = 50
+max_overflow = 1000
 
 [api_database]
 connection = mysql+pymysql://{{ nova_api_database_user }}:{{ nova_api_database_password }}@{{ nova_api_database_address }}/{{ nova_api_database_name }}