MAPREDUCE-5932. Provide an option to use a dedicated reduce-side shuffle log. Contributed by Gera Shegalov
HADOOP-11342. KMS key ACL should ignore ALL operation for default key ACL and whitelist key ACL. Contributed by Dian Fu.
HDFS-7458. Add description to the nfs ports in core-site.xml used by nfs test to avoid confusion. Contributed by Yongjun Zhang