diff --git a/hadoop-mapreduce-project/CHANGES.txt b/hadoop-mapreduce-project/CHANGES.txt
index 5237d60074..d96dd3ac21 100644
--- a/hadoop-mapreduce-project/CHANGES.txt
+++ b/hadoop-mapreduce-project/CHANGES.txt
@@ -618,6 +618,9 @@ Release 0.23.1 - Unreleased
     java.io.File.createTempFile to create temporary files as part of their
     tasks. (Jonathan Eagles via vinodkv)
 
+    MAPREDUCE-3748. Changed a log in CapacityScheduler.nodeUpdate to debug.
+    (ramya via acmurthy) 
+
 Release 0.23.0 - 2011-11-01 
 
   INCOMPATIBLE CHANGES
diff --git a/hadoop-mapreduce-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/capacity/CapacityScheduler.java b/hadoop-mapreduce-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/capacity/CapacityScheduler.java
index 1dd92a7407..aa7d23ed91 100644
--- a/hadoop-mapreduce-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/capacity/CapacityScheduler.java
+++ b/hadoop-mapreduce-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/capacity/CapacityScheduler.java
@@ -531,8 +531,10 @@ public List<QueueUserACLInfo> getQueueUserAclInfo() {
   private synchronized void nodeUpdate(RMNode nm, 
       List<ContainerStatus> newlyLaunchedContainers,
       List<ContainerStatus> completedContainers) {
-    LOG.info("nodeUpdate: " + nm + " clusterResources: " + clusterResource);
-    
+    if (LOG.isDebugEnabled()) {
+      LOG.debug("nodeUpdate: " + nm + " clusterResources: " + clusterResource);
+    }
+                  
     SchedulerNode node = getNode(nm.getNodeID());
 
     // Processing the newly launched containers