YARN-1732. Changed types of related-entities and primary-filters in the timeline-service to be sets instead of maps. Contributed by Billie Rinaldi.


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1570914 13f79535-47bb-0310-9956-ffa450edef68
YARN-1687. Renamed user-facing records for the timeline-service to be simply named after 'timeline' instead of 'apptimeline'. Contributed by Zhijie Shen.


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1570922 13f79535-47bb-0310-9956-ffa450edef68
HADOOP-9968. Makes ProxyUsers to work with NetGroups. Contributed by Benoy Antony.

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1570934 13f79535-47bb-0310-9956-ffa450edef68
YARN-1749. Updated application-history related configs to reflect the latest reality and to be consistently named. Contributed by Zhijie Shen.


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1570948 13f79535-47bb-0310-9956-ffa450edef68
YARN-1742. Fixed javadoc of configuration parameter DEFAULT_NM_MIN_HEALTHY_DISKS_FRACTION. Contributed by Akira Ajisaka.


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1570956 13f79535-47bb-0310-9956-ffa450edef68
HDFS-5776 Support 'hedged' reads in DFSClient

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1571466 13f79535-47bb-0310-9956-ffa450edef68
HDFS-5776 Support 'hedged' reads in DFSClient

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1571467 13f79535-47bb-0310-9956-ffa450edef68
YARN-1678. Fair scheduler gabs incessantly about reservations (Sandy Ryza)

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1571468 13f79535-47bb-0310-9956-ffa450edef68
YARN-1686. Fixed NodeManager to properly handle any errors during re-registration after a RESYNC and thus avoid hanging. Contributed by Rohith Sharma.


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1571474 13f79535-47bb-0310-9956-ffa450edef68
HDFS-5778. Add rolling upgrade user document.


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/HDFS-5535@1571508 13f79535-47bb-0310-9956-ffa450edef68
Merge r1569890 through r1571508 from trunk.


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/HDFS-5535@1571509 13f79535-47bb-0310-9956-ffa450edef68