diff --git a/metadata/service/control/single.yml b/metadata/service/control/single.yml
index 448d6fe..9275ed3 100644
--- a/metadata/service/control/single.yml
+++ b/metadata/service/control/single.yml
@@ -32,6 +32,7 @@
         name: neutron
         user: neutron
         password: ${_param:mysql_neutron_password}
+        max_overflow: 70
       identity:
         engine: keystone
         region: RegionOne
@@ -59,6 +60,7 @@
         user: openstack
         password: ${_param:rabbitmq_openstack_password}
         virtual_host: '/openstack'
+        executor_thread_pool_size: 70
       compute:
         host: ${_param:single_address}
         region: RegionOne