YARN-2562. Changed ContainerId#toString() to be more readable. Contributed by Tsuyoshi OZAWA
YARN-2635. TestRM, TestRMRestart, TestClientToAMTokens should run with both CS and FS. (Wei Yan and kasha via kasha)
YARN-2468. Enhanced NodeManager to support log handling APIs (YARN-2569) for use by long running services. Contributed by Xuan Gong.
HDFS-7055. Add tracing to DFSInputStream (cmccabe)
YARN-1707. Introduce APIs to add/remove/resize queues in the CapacityScheduler. Contributed by Carlo Curino and Subru Krishnan
(cherry picked from commit aac47fda7fecda9fc18ade34d633eca895865a70)

Conflicts:
	hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/capacity/CapacityScheduler.java
YARN-2475. Logic for responding to capacity drops for the ReservationSystem. Contributed by Carlo Curino and Subru Krishnan.
(cherry picked from commit f83a07f266f2c5e6eead554d8a331ed7e75e10d5)
YARN-1708. Public YARN APIs for creating/updating/deleting reservations.
(cherry picked from commit 3f2e3b275bcf29264a112c5d2f4eae289fe7f52c)
YARN-1709. In-memory data structures used to track resources over time to enable reservations.
(cherry picked from commit 0d8b2cd88b958b1e602fd4ea4078ef8d4742a7c3)
YARN-1710. Logic to find allocations within a Plan that satisfy user ReservationRequest(s). Contributed by Carlo Curino and Subru Krishnan.
(cherry picked from commit aef7928899b37262773f3dc117157bb746bf8918)
YARN-1711. Policy to enforce instantaneous and over-time quotas on user reservation. Contributed by Carlo Curino and Subru Krishnan.
(cherry picked from commit c4918cb4cb5a267a8cfd6eace28fcfe7ad6174e8)
YARN-1712. Plan follower that synchronizes the current state of reservation subsystem with the scheduler. Contributed by Subru Krishnan and Carlo Curino.
(cherry picked from commit 169085319b8b76641f8b9f6840a3fef06d221e2b)
YARN-2080. Integrating reservation system with ResourceManager and client-RM protocol. Contributed by Subru Krishnan and Carlo Curino.
(cherry picked from commit 8baeaead8532898163f1006276b731a237b1a559)

Conflicts:
	hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/rmapp/RMAppImpl.java
MAPREDUCE-6103.Adding reservation APIs to MR resource manager delegate. Contributed by Subru Krishnan and Carlo Curino.
(cherry picked from commit aa92dd45f2d8c89a8a17ad2e4449aa3ff08bc53a)
YARN-2576. Making test patch pass in branch. Contributed by Subru Krishnan and Carlo Curino.
(cherry picked from commit 90ac0be86b898aefec5471db4027554c8e1b310c)
YARN-2611. Fixing jenkins findbugs warning and TestRMWebServicesCapacitySched for branch YARN-1051. Contributed by Subru Krishnan and Carlo Curino.
(cherry picked from commit c47464aba407d1dafe10be23fe454f0489cc4367)
YARN-1051. Add a system for creating reservations of cluster capacity.
Contributed by Subru Krishnan and Carlo Curino.
HADOOP-11163. MetricsSystemImpl may miss a registered source. Contributed by Chuan Liu.
HADOOP-11163. Correct CHANGES.txt.
HADOOP-10681. Remove unnecessary synchronization from Snappy & Zlib codecs. Contributed by Gopal Vijayaraghavan.
HADOOP-10731. Sync-ing CHANGES.txt across branches.