From 24830bf7338817e56ef33639e549ffd5869ad491 Mon Sep 17 00:00:00 2001
From: Thomas Graves <tgraves@apache.org>
Date: Fri, 27 Mar 2015 08:37:53 -0500
Subject: [PATCH] Utils.getCurrentUserName returns the full principal name
 instead of login name

---
 core/src/main/scala/org/apache/spark/util/Utils.scala | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/core/src/main/scala/org/apache/spark/util/Utils.scala b/core/src/main/scala/org/apache/spark/util/Utils.scala
index 0b5a914e7dbbf..bb8bd1015668a 100644
--- a/core/src/main/scala/org/apache/spark/util/Utils.scala
+++ b/core/src/main/scala/org/apache/spark/util/Utils.scala
@@ -2055,7 +2055,7 @@ private[spark] object Utils extends Logging {
    */
   def getCurrentUserName(): String = {
     Option(System.getenv("SPARK_USER"))
-      .getOrElse(UserGroupInformation.getCurrentUser().getUserName())
+      .getOrElse(UserGroupInformation.getCurrentUser().getShortUserName())
   }
 
 }