Index: main/core/src/main/java/hudson/Functions.java
===================================================================
--- main/core/src/main/java/hudson/Functions.java	(revision 10289)
+++ main/core/src/main/java/hudson/Functions.java	(working copy)
@@ -364,7 +364,7 @@
             response.addCookie(c);
         }
         if (refresh) {
-            response.addHeader("Refresh", "10");
+            response.addHeader("Refresh", Integer.toString(Hudson.getInstance().getRefreshRate()));
         }
     }
 
Index: main/core/src/main/java/hudson/model/Hudson.java
===================================================================
--- main/core/src/main/java/hudson/model/Hudson.java	(revision 10289)
+++ main/core/src/main/java/hudson/model/Hudson.java	(working copy)
@@ -248,6 +248,11 @@
     /*package*/ Integer quietPeriod;
 
     /**
+     * Refresh rate.
+     */
+    private Integer refreshRate;
+
+    /**
      * {@link ListView}s.
      */
     private List<ListView> views;   // can't initialize it eagerly for backward compatibility
@@ -899,6 +904,13 @@
     }
 
     /**
+     * Gets the refresh rate.
+     */
+    public int getRefreshRate() {
+        return refreshRate!=null ? refreshRate : 10;
+    }
+
+    /**
      * @deprecated
      *      Why are you calling a method that always returns ""?
      *      Perhaps you meant {@link #getRootUrl()}.
@@ -1473,6 +1485,8 @@
 
             quietPeriod = Integer.parseInt(req.getParameter("quiet_period"));
 
+            refreshRate = Integer.parseInt(req.getParameter("refresh_rate"));
+
             systemMessage = Util.nullify(req.getParameter("system_message"));
 
             {// update JDK installations
Index: main/core/src/main/resources/hudson/model/Hudson/configure.jelly
===================================================================
--- main/core/src/main/resources/hudson/model/Hudson/configure.jelly	(revision 10289)
+++ main/core/src/main/resources/hudson/model/Hudson/configure.jelly	(working copy)
@@ -16,6 +16,10 @@
         <input class="setting-input number" name="quiet_period"
           type="text" value="${it.quietPeriod}"/>
       </s:entry>
+      <s:entry title="${%Refresh rate}" help="/help/project-config/refreshRate.html">
+        <input class="setting-input number" name="refresh_rate"
+          type="text" value="${it.refreshRate}"/>
+      </s:entry>
       <s:optionalBlock name="use_security" title="${%Enable security}"
                        checked="${it.useSecurity}" help="/help/system-config/enableSecurity.html">
         <s:entry title="${%TCP port for JNLP slave agents}"
Index: main/war/resources/help/project-config/refreshRate.html
===================================================================
--- main/war/resources/help/project-config/refreshRate.html	(revision 0)
+++ main/war/resources/help/project-config/refreshRate.html	(revision 0)
@@ -0,0 +1,3 @@
+<div>
+  Pages will be refreshed every this many seconds when automatic refresh is enabled.
+</div>