From 1c4a798505a2bc8285b709188f6492dbb33a0968 Mon Sep 17 00:00:00 2001
From: Anu Engineer <aengineer@apache.org>
Date: Sat, 23 Sep 2017 11:56:34 -0700
Subject: [PATCH] HADOOP-14894. ReflectionUtils should use Time.monotonicNow to
 mesaure duration. Contributed by Bharat Viswanadham.

---
 .../src/main/java/org/apache/hadoop/util/ReflectionUtils.java | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/util/ReflectionUtils.java b/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/util/ReflectionUtils.java
index f1294e7610..ff7357a175 100644
--- a/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/util/ReflectionUtils.java
+++ b/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/util/ReflectionUtils.java
@@ -212,7 +212,7 @@ public static void logThreadInfo(Log log,
     boolean dumpStack = false;
     if (log.isInfoEnabled()) {
       synchronized (ReflectionUtils.class) {
-        long now = Time.now();
+        long now = Time.monotonicNow();
         if (now - previousLogTime >= minInterval * 1000) {
           previousLogTime = now;
           dumpStack = true;
@@ -241,7 +241,7 @@ public static void logThreadInfo(Logger log,
     boolean dumpStack = false;
     if (log.isInfoEnabled()) {
       synchronized (ReflectionUtils.class) {
-        long now = Time.now();
+        long now = Time.monotonicNow();
         if (now - previousLogTime >= minInterval * 1000) {
           previousLogTime = now;
           dumpStack = true;