diff --git a/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/metrics2/lib/MutableGaugeFloat.java b/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/metrics2/lib/MutableGaugeFloat.java
index b16eda2b5c7..6a52bf382df 100644
--- a/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/metrics2/lib/MutableGaugeFloat.java
+++ b/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/metrics2/lib/MutableGaugeFloat.java
@@ -77,4 +77,11 @@ public class MutableGaugeFloat extends MutableGauge {
       }
     }
   }
+
+  /**
+   * @return  the value of the metric
+   */
+  public String toString() {
+    return value.toString();
+  }
 }
diff --git a/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/metrics2/lib/MutableGaugeInt.java b/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/metrics2/lib/MutableGaugeInt.java
index cce45286ce6..89839003802 100644
--- a/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/metrics2/lib/MutableGaugeInt.java
+++ b/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/metrics2/lib/MutableGaugeInt.java
@@ -87,4 +87,11 @@ public class MutableGaugeInt extends MutableGauge {
       clearChanged();
     }
   }
+
+  /**
+   * @return  the value of the metric
+   */
+  public String toString() {
+    return value.toString();
+  }
 }
diff --git a/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/metrics2/lib/MutableGaugeLong.java b/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/metrics2/lib/MutableGaugeLong.java
index a2a8632ad3c..a4525183855 100644
--- a/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/metrics2/lib/MutableGaugeLong.java
+++ b/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/metrics2/lib/MutableGaugeLong.java
@@ -88,4 +88,10 @@ public class MutableGaugeLong extends MutableGauge {
     }
   }
 
+  /**
+   * @return  the value of the metric
+   */
+  public String toString() {
+    return value.toString();
+  }
 }