MAPREDUCE-5761. Added a simple log message to denote when encrypted shuffle is on in the shuffle-handler. Contributed by Jian He.

svn merge --ignore-ancestry -c 1571514 ../../trunk/


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-2@1571515 13f79535-47bb-0310-9956-ffa450edef68

hadoop-mapreduce-project/CHANGES.txt

@@ -34,6 +34,9 @@ Release 2.4.0 - UNRELEASED
 
     MAPREDUCE-5699. Allow setting tags on MR jobs (kasha)
 
+    MAPREDUCE-5761. Added a simple log message to denote when encrypted shuffle
+    is on in the shuffle-handler. (Jian He via vinodkv) 
+
   OPTIMIZATIONS
 
   BUG FIXES

hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-shuffle/src/main/java/org/apache/hadoop/mapred/ShuffleHandler.java

@@ -367,6 +367,7 @@ public class ShuffleHandler extends AuxiliaryService {
       SHUFFLE = getShuffle(conf);
       if (conf.getBoolean(MRConfig.SHUFFLE_SSL_ENABLED_KEY,
                           MRConfig.SHUFFLE_SSL_ENABLED_DEFAULT)) {
+        LOG.info("Encrypted shuffle is enabled.");
         sslFactory = new SSLFactory(SSLFactory.Mode.SERVER, conf);
         sslFactory.init();
       }