Increase polling update slightly

Change-Id: I5b7db885e22053f8b374d6f314a61e1a4bf19a03
diff --git a/src/main/resources/static/zuul-status-view.js b/src/main/resources/static/zuul-status-view.js
index 7ec2c4c..10c079a 100644
--- a/src/main/resources/static/zuul-status-view.js
+++ b/src/main/resources/static/zuul-status-view.js
@@ -17,8 +17,8 @@
  (function() {
   'use strict';
 
-  const DEFAULT_UPDATE_INTERVAL_MS = 1000 * 1;
-  const MAX_UPDATE_INTERVAL_MS = 1000 * 30 * 1;
+  const DEFAULT_UPDATE_INTERVAL_MS = 1000 * 2;
+  const MAX_UPDATE_INTERVAL_MS = 1000 * 30 * 2;
 
   Polymer({
     is: 'zuul-status-view',