From aea35d93e3b2349098134f285c00d9d529d3496b Mon Sep 17 00:00:00 2001
From: Tsz-wo Sze <szetszwo@apache.org>
Date: Mon, 7 Apr 2014 18:07:13 +0000
Subject: [PATCH] HADOOP-10466. Lower the log level in UserGroupInformation. 
 Contributed by Nicolas Liochon

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1585538 13f79535-47bb-0310-9956-ffa450edef68
---
 hadoop-common-project/hadoop-common/CHANGES.txt  |  3 +++
 .../hadoop/security/UserGroupInformation.java    | 16 ++++++++++++----
 2 files changed, 15 insertions(+), 4 deletions(-)

diff --git a/hadoop-common-project/hadoop-common/CHANGES.txt b/hadoop-common-project/hadoop-common/CHANGES.txt
index 805d485b38..a285ffef15 100644
--- a/hadoop-common-project/hadoop-common/CHANGES.txt
+++ b/hadoop-common-project/hadoop-common/CHANGES.txt
@@ -355,6 +355,9 @@ Release 2.4.1 - UNRELEASED
 
   IMPROVEMENTS
 
+    HADOOP-10466. Lower the log level in UserGroupInformation.  (Nicolas
+    Liochon via szetszwo)
+
   OPTIMIZATIONS
 
   BUG FIXES 
diff --git a/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/security/UserGroupInformation.java b/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/security/UserGroupInformation.java
index 1b62a0c488..cd553decfc 100644
--- a/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/security/UserGroupInformation.java
+++ b/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/security/UserGroupInformation.java
@@ -990,7 +990,9 @@ public synchronized void reloginFromKeytab()
     // register most recent relogin attempt
     user.setLastLogin(now);
     try {
-      LOG.info("Initiating logout for " + getUserName());
+      if (LOG.isDebugEnabled()) {
+        LOG.debug("Initiating logout for " + getUserName());
+      }
       synchronized (UserGroupInformation.class) {
         // clear up the kerberos state. But the tokens are not cleared! As per
         // the Java kerberos login module code, only the kerberos credentials
@@ -1001,7 +1003,9 @@ public synchronized void reloginFromKeytab()
         login = newLoginContext(
             HadoopConfiguration.KEYTAB_KERBEROS_CONFIG_NAME, getSubject(),
             new HadoopConfiguration());
-        LOG.info("Initiating re-login for " + keytabPrincipal);
+        if (LOG.isDebugEnabled()) {
+          LOG.debug("Initiating re-login for " + keytabPrincipal);
+        }
         start = Time.now();
         login.login();
         metrics.loginSuccess.add(Time.now() - start);
@@ -1042,7 +1046,9 @@ public synchronized void reloginFromTicketCache()
     // register most recent relogin attempt
     user.setLastLogin(now);
     try {
-      LOG.info("Initiating logout for " + getUserName());
+      if (LOG.isDebugEnabled()) {
+        LOG.debug("Initiating logout for " + getUserName());
+      }
       //clear up the kerberos state. But the tokens are not cleared! As per 
       //the Java kerberos login module code, only the kerberos credentials
       //are cleared
@@ -1052,7 +1058,9 @@ public synchronized void reloginFromTicketCache()
       login = 
         newLoginContext(HadoopConfiguration.USER_KERBEROS_CONFIG_NAME, 
             getSubject(), new HadoopConfiguration());
-      LOG.info("Initiating re-login for " + getUserName());
+      if (LOG.isDebugEnabled()) {
+        LOG.debug("Initiating re-login for " + getUserName());
+      }
       login.login();
       setLogin(login);
     } catch (LoginException le) {