diff --git a/hadoop-common-project/hadoop-common/CHANGES.txt b/hadoop-common-project/hadoop-common/CHANGES.txt
index 2d1f400a046..620c5790075 100644
--- a/hadoop-common-project/hadoop-common/CHANGES.txt
+++ b/hadoop-common-project/hadoop-common/CHANGES.txt
@@ -420,6 +420,9 @@ Release 2.6.0 - UNRELEASED
     HADOOP-11140. hadoop-aws only need test-scoped dependency on
     hadoop-common's tests jar. (Juan Yu via wang)
 
+    HDFS-7157. Using Time.now() for recording start/end time of reconfiguration
+    tasks (Lei Xu via cmccabe)
+
     BREAKDOWN OF HDFS-6134 AND HADOOP-10150 SUBTASKS AND RELATED JIRAS
   
       HADOOP-10734. Implement high-performance secure random number sources.
diff --git a/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/conf/ReconfigurableBase.java b/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/conf/ReconfigurableBase.java
index 7521650e6fa..3248b9a133f 100644
--- a/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/conf/ReconfigurableBase.java
+++ b/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/conf/ReconfigurableBase.java
@@ -134,7 +134,7 @@ public abstract class ReconfigurableBase
       }
 
       synchronized (this.parent.reconfigLock) {
-        this.parent.endTime = Time.monotonicNow();
+        this.parent.endTime = Time.now();
         this.parent.status = Collections.unmodifiableMap(results);
         this.parent.reconfigThread = null;
       }
@@ -160,7 +160,7 @@ public abstract class ReconfigurableBase
       reconfigThread.setDaemon(true);
       reconfigThread.setName("Reconfiguration Task");
       reconfigThread.start();
-      startTime = Time.monotonicNow();
+      startTime = Time.now();
     }
   }