diff --git a/hadoop-mapreduce-project/CHANGES.txt b/hadoop-mapreduce-project/CHANGES.txt
index 1c72e1fbe5..1f2f482cd5 100644
--- a/hadoop-mapreduce-project/CHANGES.txt
+++ b/hadoop-mapreduce-project/CHANGES.txt
@@ -178,6 +178,9 @@ Release 0.23.2 - UNRELEASED
     MAPREDUCE-3686. Fixed two bugs in Counters because of which web app displays
     zero counter values for framework counters. (Bhallamudi Venkata Siva Kamesh
     via vinodkv)
+
+    MAPREDUCE-3913. RM application webpage is unresponsive after 2000 jobs 
+    (Jason Lowe via tgraves)
  
 Release 0.23.1 - 2012-02-17 
 
diff --git a/hadoop-mapreduce-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/webapp/RmView.java b/hadoop-mapreduce-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/webapp/RmView.java
index bc2bfca328..cdb36f839a 100644
--- a/hadoop-mapreduce-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/webapp/RmView.java
+++ b/hadoop-mapreduce-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/webapp/RmView.java
@@ -30,7 +30,6 @@
 public class RmView extends TwoColumnLayout {
   static final int MAX_DISPLAY_ROWS = 100;  // direct table rendering
   static final int MAX_FAST_ROWS = 1000;    // inline js array
-  static final int MAX_INLINE_ROWS = 2000;  // ajax load
 
   @Override
   protected void preHead(Page.HTML<_> html) {
@@ -81,11 +80,6 @@ private String appsTableInit() {
     if (list.apps.size() > MAX_FAST_ROWS) {
       tableInitProgress(init, list.apps.size() * 6);
     }
-    if (list.apps.size() > MAX_INLINE_ROWS) {
-      list.rendering = Render.JS_LOAD;
-      return init.append(", sAjaxSource:'").append(url("apps", "json")).
-          append("'}").toString();
-    }
     list.rendering = Render.JS_ARRAY;
     return init.append(", aaData:appsData}").toString();
   }
diff --git a/hadoop-mapreduce-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/webapp/TestRMWebApp.java b/hadoop-mapreduce-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/webapp/TestRMWebApp.java
index dc52c9fb6d..2bf95bd25e 100644
--- a/hadoop-mapreduce-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/webapp/TestRMWebApp.java
+++ b/hadoop-mapreduce-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/webapp/TestRMWebApp.java
@@ -177,8 +177,10 @@ public static ResourceManager mockRm(int apps, int racks, int nodes,
   public static ResourceManager mockRm(RMContext rmContext) throws IOException {
     ResourceManager rm = mock(ResourceManager.class);
     ResourceScheduler rs = mockCapacityScheduler();
+    ApplicationACLsManager aclMgr = mockAppACLsManager();
     when(rm.getResourceScheduler()).thenReturn(rs);
     when(rm.getRMContext()).thenReturn(rmContext);
+    when(rm.getApplicationACLsManager()).thenReturn(aclMgr);
     return rm;
   }
 
@@ -192,6 +194,11 @@ public static CapacityScheduler mockCapacityScheduler() throws IOException {
     return cs;
   }
 
+  public static ApplicationACLsManager mockAppACLsManager() {
+    Configuration conf = new Configuration();
+    return new ApplicationACLsManager(conf);
+  }
+
   static void setupQueueConfiguration(CapacitySchedulerConfiguration conf) {
     // Define top-level queues
     conf.setQueues(CapacitySchedulerConfiguration.ROOT, new String[] {"a", "b", "c"});
@@ -271,7 +278,7 @@ static void setupFifoQueueConfiguration(CapacitySchedulerConfiguration conf) {
   public static void main(String[] args) throws Exception {
     // For manual testing
     WebApps.$for("yarn", new TestRMWebApp()).at(8888).inDevMode().
-        start(new RMWebApp(mockRm(101, 8, 8, 8*GiB))).joinThread();
+        start(new RMWebApp(mockRm(2500, 8, 8, 8*GiB))).joinThread();
     WebApps.$for("yarn", new TestRMWebApp()).at(8888).inDevMode().
         start(new RMWebApp(mockFifoRm(10, 1, 4, 8*GiB))).joinThread();
   }