diff --git a/elasticsearch/server/cluster.yml b/elasticsearch/server/cluster.yml
index 8f53f21..efb70f3 100644
--- a/elasticsearch/server/cluster.yml
+++ b/elasticsearch/server/cluster.yml
@@ -1,5 +1,7 @@
 classes:
 - service.elasticsearch.server.cluster
+- service.haproxy.proxy.single
+- service.keepalived.cluster.single
 - service.java.environment
 parameters:
   _param:
diff --git a/nginx/server/proxy/openstack_web.yml b/nginx/server/proxy/openstack_web.yml
index c699bdc..0165ff2 100644
--- a/nginx/server/proxy/openstack_web.yml
+++ b/nginx/server/proxy/openstack_web.yml
@@ -2,6 +2,7 @@
   _param:
     nginx_proxy_openstack_web_host: ${_param:cluster_public_host}
     nginx_proxy_openstack_web_proxy_host: ${_param:cluster_vip_address}
+    nginx_proxy_openstack_web_buffer_size: 
   nginx:
     server:
       enabled: true
@@ -11,6 +12,7 @@
           type: nginx_proxy
           name: openstack_web
           proxy:
+            size: 5000m
             host: prx
             port: 8078
             protocol: http