diff --git a/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/datanode/DataNode.java b/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/datanode/DataNode.java
index cb8e308b4e..8f65efe029 100644
--- a/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/datanode/DataNode.java
+++ b/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/datanode/DataNode.java
@@ -2101,8 +2101,9 @@ public class DataNode extends ReconfigurableBase
       }
     }
   }
-  
-  int getXmitsInProgress() {
+
+  @Override //DataNodeMXBean
+  public int getXmitsInProgress() {
     return xmitsInProgress.get();
   }
   
diff --git a/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/datanode/DataNodeMXBean.java b/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/datanode/DataNodeMXBean.java
index 5ec4cda65f..5d4c2185c8 100644
--- a/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/datanode/DataNodeMXBean.java
+++ b/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/datanode/DataNodeMXBean.java
@@ -100,6 +100,12 @@ public interface DataNodeMXBean {
    */
   public int getXceiverCount();
 
+  /**
+   * Returns an estimate of the number of data replication/reconstruction tasks
+   * running currently.
+   */
+  public int getXmitsInProgress();
+
   /**
    * Gets the network error counts on a per-Datanode basis.
    */
diff --git a/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/datanode/TestDataNodeMXBean.java b/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/datanode/TestDataNodeMXBean.java
index 8b0d5cb02f..a77c94335d 100644
--- a/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/datanode/TestDataNodeMXBean.java
+++ b/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/datanode/TestDataNodeMXBean.java
@@ -96,7 +96,11 @@ public class TestDataNodeMXBean {
       int xceiverCount = (Integer)mbs.getAttribute(mxbeanName,
           "XceiverCount");
       Assert.assertEquals(datanode.getXceiverCount(), xceiverCount);
-
+      // Ensure mxbean's XmitsInProgress is same as the DataNode's
+      // live value.
+      int xmitsInProgress =
+          (Integer) mbs.getAttribute(mxbeanName, "XmitsInProgress");
+      Assert.assertEquals(datanode.getXmitsInProgress(), xmitsInProgress);
       String bpActorInfo = (String)mbs.getAttribute(mxbeanName,
           "BPServiceActorInfo");
       Assert.assertEquals(datanode.getBPServiceActorInfo(), bpActorInfo);