HDFS-5167. Add metrics about the NameNode retry cache. Contributed by Tsuyoshi OZAWA.

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1574603 13f79535-47bb-0310-9956-ffa450edef68
YARN-1785. FairScheduler treats app lookup failures as ERRORs. (bc Wong via kasha)

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1574604 13f79535-47bb-0310-9956-ffa450edef68
HDFS-6043. Give HDFS daemons NFS3 and Portmap their own OPTS. Contributed by Brandon Li

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1574616 13f79535-47bb-0310-9956-ffa450edef68
HDFS-6044. Add property for setting the NFS look up time for users. Contributed by Brandon Li

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1574622 13f79535-47bb-0310-9956-ffa450edef68
YARN-1752. Fixed ApplicationMasterService to reject unregister request if AM did not register before. Contributed by Rohith Sharma.

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1574623 13f79535-47bb-0310-9956-ffa450edef68
YARN-1761. Modified RMAdmin CLI to check whether HA is enabled or not before it executes any of the HA admin related commands. Contributed by Xuan Gong.


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1574661 13f79535-47bb-0310-9956-ffa450edef68