HADOOP-11133. Should trim the content of keystore password file for JavaKeyStoreProvider (Yi Liu via umamahesh)
(cherry picked from commit 8d7c54967d5a08cdff75a782998ee89e7537b5c4)
HDFS-7217. Better batching of IBRs. Contributed by Kihwal Lee.
(cherry picked from commit db71bb54bcc75b71c5841b25ceb03fb0218c6d4f)
HADOOP-11175. Fix several issues of hadoop security configuration in user doc. Contributed by Yi Liu.

(cherry picked from commit 1123a06e3658f26228f1eedaed796aca8efc7bad)
YARN-2493. Added user-APIs for using node-labels. Contributed by Wangda Tan.

(cherry picked from commit 180afa2f86f9854c536c3d4ff7476880e41ac48d)
HDFS-7195. Update user doc of secure mode about Datanodes don't require root or jsvc. Contributed by Chris Nauroth.
HADOOP-11178. Fix findbugs exclude file. (Arun Suresh via wang)

(cherry picked from commit d7b647f0ee2c918143ff71abd9ce8b89717b2fc5)
YARN-2629. Made the distributed shell use the domain-based timeline ACLs. Contributed by Zhijie Shen.

(cherry picked from commit 1d4612f5ad9678c952b416e798dccd20c88f96ef)
HADOOP-11174. Delegation token for KMS should only be got once if it already exists. (Yi Liu via wang)

(cherry picked from commit 8d941144952a77a714cd4368cba21b01904926e9)
YARN-2598 GHS should show N/A instead of null for the inaccessible information (Zhijie Shen via mayank)
YARN-2544. Added admin-API objects for using node-labels. Contributed by Wangda Tan.

(cherry picked from commit 596702a02501e9cb09aabced168027189eaf02ba)
HADOOP-11184. Update Hadoop's lz4 to r123 (cmccabe)
(cherry picked from commit d8d628d1e0c42a32e2079ed430e8817996bbe4c4)
YARN-2180. [YARN-1492] In-memory backing store for cache manager. (Chris Trezzo via kasha)

(cherry picked from commit 4f426fe2232ed90d8fdf8619fbdeae28d788b5c8)
YARN-2617. Fixed ApplicationSubmissionContext to still set resource for backward compatibility. Contributed by Wangda Tan.

(cherry picked from commit e532ed8faa8db4b008a5b8d3f82b48a1b314fa6c)
HDFS-7026. Introduce a string constant for "Failed to obtain user group info...". Contributed by Yongjun Zhang.
(cherry picked from commit cbd21fd13b321d042faeff00fa71c9becc0d6087)
YARN-2671. Fix the Jira number in the change log.

(cherry picked from commit 5b12df6587eb4f37d09c9ffc35a0ea59694df831)
MAPREDUCE-6122. TestLineRecordReader may fail due to test data files checked out of git with incorrect line endings. Contributed by Chris Nauroth.

(cherry picked from commit 684170d5efdc11bcd9967168f44a428d1a72af3c)
MAPREDUCE-6122. Fix CHANGES.txt.

(cherry picked from commit 2f0166db560b180e8d07c10ba9ad4bfaf2aa7b36)
MAPREDUCE-6123. TestCombineFileInputFormat incorrectly starts 2 MiniDFSCluster instances. Contributed by Chris Nauroth.

(cherry picked from commit 777877d079ecb025c293deac741800800e413179)
YARN-2662. TestCgroupsLCEResourcesHandler leaks file descriptors. Contributed by Chris Nauroth.

(cherry picked from commit d3afd730acfa380ab5032be5ee296c5d73744518)
YARN-2583. Modified AggregatedLogDeletionService to be able to delete rolling aggregated logs. Contributed by Xuan Gong.

(cherry picked from commit cb81bac0029fce3a9726df3523f0b692cd3375b8)