diff --git a/metadata/service/compute/cluster.yml b/metadata/service/compute/cluster.yml
index 2f081d5..b9bdfd3 100644
--- a/metadata/service/compute/cluster.yml
+++ b/metadata/service/compute/cluster.yml
@@ -14,6 +14,8 @@
       enabled: true
       heal_instance_info_cache_interval: 60
       vncproxy_url: http://${_param:cluster_vip_address}:6080
+      concurrency:
+        lock_path: '/var/lib/nova/tmp'
       bind:
         vnc_address: ${_param:cluster_local_address}
         vnc_port: 6080
diff --git a/metadata/service/compute/ironic.yml b/metadata/service/compute/ironic.yml
index e606370..0612e9f 100644
--- a/metadata/service/compute/ironic.yml
+++ b/metadata/service/compute/ironic.yml
@@ -17,6 +17,8 @@
       force_config_drive: True
       config_drive_format: 'iso9660'
       reserved_host_memory_mb: 0
+      concurrency:
+        lock_path: '/var/lib/nova/tmp'
       database:
         engine: mysql
         host: ${_param:cluster_vip_address}