YARN-538. RM address DNS lookup can cause unnecessary slowness on every JHS page load. (sandyr via tucu)

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1464197 13f79535-47bb-0310-9956-ffa450edef68
YARN-458. YARN daemon addresses must be placed in many different configs. (sandyr via tucu)

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1464204 13f79535-47bb-0310-9956-ffa450edef68
MAPREDUCE-5098. Fix findbugs warnings in gridmix. (kkambatl via tucu)

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1464209 13f79535-47bb-0310-9956-ffa450edef68
HADOOP-9401. CodecPool: Add counters for number of (de)compressors leased out. (kkambatl via tucu)

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1464219 13f79535-47bb-0310-9956-ffa450edef68
Merge remote branch 'origin/trunk' into trunk-gd
MAPREDUCE-5086. MR app master deletes staging dir when sent a reboot command from the RM. Contributed by Jian He


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1464255 13f79535-47bb-0310-9956-ffa450edef68
Merge remote branch 'origin/trunk' into trunk-gd
YARN-536. Removed the unused objects ContainerStatus and ContainerStatus from Container which also don't belong to the container. Contributed by Xuan Gong.


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1464271 13f79535-47bb-0310-9956-ffa450edef68
Merge remote branch 'origin/trunk' into trunk-gd
HADOOP-9451. Fault single-layer config if node group topology is enabled. (Junping Du via llu)

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1464301 13f79535-47bb-0310-9956-ffa450edef68
HDFS-4665. Move TestNetworkTopologyWithNodeGroup to common. (Junping Du via llu)

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1464303 13f79535-47bb-0310-9956-ffa450edef68
Merge remote branch 'origin/trunk' into trunk-gd
Merge branch 'trunk-gd' of https://github.com/griddynamics/yhadoop-common into fb-HADOOP-7435-trunk-gd

Conflicts:
	hadoop-tools/hadoop-gridmix/dev-support/findbugs-exclude.xml
	hadoop-tools/hadoop-gridmix/src/main/java/org/apache/hadoop/mapred/gridmix/emulators/resourceusage/TotalHeapUsageEmulatorPlugin.java