diff --git a/tests/pillar/slave_cluster.sls b/tests/pillar/slave_cluster.sls
index 10dfccb..40ec4de 100644
--- a/tests/pillar/slave_cluster.sls
+++ b/tests/pillar/slave_cluster.sls
@@ -16,6 +16,8 @@
         port: 4567
       - host: 127.0.0.1
         port: 4567
+      max_connections: 20000
+      innodb_buffer_pool_size: 3138M
   mysql:
     server:
       users: