diff --git a/metadata/service/control/cluster.yml b/metadata/service/control/cluster.yml
index 561dc31..cc20935 100644
--- a/metadata/service/control/cluster.yml
+++ b/metadata/service/control/cluster.yml
@@ -14,6 +14,8 @@
       enabled: true
       version: ${_param:glance_version}
       workers: 8
+      concurrency:
+        lock_path: '/var/lib/glance/tmp'
       database:
         engine: mysql
         host: ${_param:cluster_vip_address}