MAPREDUCE-5533. Fixed MR speculation code to track any TaskAttempts that aren't heart-beating for a while, so that we can aggressively speculate instead of waiting for task-timeout. Contributed by Xuan Gong.


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1529229 13f79535-47bb-0310-9956-ffa450edef68
YARN-1232. Configuration to support multiple RMs (Karthik Kambatla via bikas)

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1529251 13f79535-47bb-0310-9956-ffa450edef68
HDFS-5300. FSNameSystem#deleteSnapshot() should not check owner in case of permissions disabled. Contributed by Vinay.

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1529294 13f79535-47bb-0310-9956-ffa450edef68
HADOOP-9225. Cover package org.apache.hadoop.compress.Snappy. Contributed by Vadim Bondarev, Andrey Klochkov and Nathan Roberts


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1529296 13f79535-47bb-0310-9956-ffa450edef68
YARN-1253. Changes to LinuxContainerExecutor to run containers as a single dedicated user in non-secure mode. (rvs via tucu)

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1529325 13f79535-47bb-0310-9956-ffa450edef68
YARN-1251. TestDistributedShell#TestDSShell failed with timeout. Contributed by Xuan Gong.

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1529369 13f79535-47bb-0310-9956-ffa450edef68
YARN-1167. Fixed Distributed Shell to not incorrectly show empty hostname on RM UI. Contributed by Xuan Gong.


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1529376 13f79535-47bb-0310-9956-ffa450edef68
YARN-1254. Fixed NodeManager to not pollute container's credentials. Contributed by Omkar Vinit Joshi.


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1529382 13f79535-47bb-0310-9956-ffa450edef68
YARN-1273. Fixed Distributed-shell to account for containers that failed to start. Contributed by Hitesh Shah.


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1529389 13f79535-47bb-0310-9956-ffa450edef68
HDFS-5308. Replace HttpConfig#getSchemePrefix with implicit schemes in HDFS JSP. Contributed by Haohui Mai.

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1529512 13f79535-47bb-0310-9956-ffa450edef68
YARN-1268. TestFairScheduer.testContinuousScheduling is flaky (Sandy Ryza)

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1529529 13f79535-47bb-0310-9956-ffa450edef68
Fix location of YARN-1268 in CHANGES.txt

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1529531 13f79535-47bb-0310-9956-ffa450edef68
YARN-1032. Fixed NPE in RackResolver. Contributed by Lohit Vijayarenu.

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1529534 13f79535-47bb-0310-9956-ffa450edef68
YARN-1090. Fixed CS UI to better reflect applications as non-schedulable and not as pending. Contributed by Jian He.

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1529538 13f79535-47bb-0310-9956-ffa450edef68
YARN-1274. Fixed NodeManager's LinuxContainerExecutor to create user, app-dir and log-dirs correctly even when there are no resources to localize for the container. Contributed by Siddharth Seth.


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1529555 13f79535-47bb-0310-9956-ffa450edef68
HDFS-5306. Datanode https port is not available at the namenode. Contributed by Suresh Srinivas.

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1529562 13f79535-47bb-0310-9956-ffa450edef68
HADOOP-10017. Fix NPE in DFSClient#getDelegationToken when doing Distcp from a secured cluster to an insecured cluster. Contributed by Haohui Mai.

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1529571 13f79535-47bb-0310-9956-ffa450edef68
YARN-1278. Fixed NodeManager to not delete local resources for apps on resync command from RM - a bug caused by YARN-1149. Contributed by Hitesh Shah.


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1529657 13f79535-47bb-0310-9956-ffa450edef68
HDFS-5299. DFS client hangs in updatePipeline RPC when failover happened. Contributed by Vinay.

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1529660 13f79535-47bb-0310-9956-ffa450edef68
YARN-1277. Added a policy based configuration for http/https in common HttpServer and using the same in YARN - related
to per project https config support via HADOOP-10022. Contributed by Suresh Srinivas and Omkar Vinit Joshi.


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1529662 13f79535-47bb-0310-9956-ffa450edef68