default memcached config

@@ -57,7 +57,7 @@ const getMemcached = async () => {
     let hosts;
 
     if (queryHosts.length === 0) {
-        hosts = '127.0.0.1:11211';
+        hosts = ['memcache1.yohoops.org:12111', 'memcache2.yohoops.org:12111', 'memcache3.yohoops.org:12111'];
     } else {
         hosts = _.map(queryHosts, 'host');
     }