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Zero map split input length combine with none zero map split input length will cause MR1 job hung. (zxu via rkanter)

HDFS-6649. Documentation for setrep is wrong. (aajisaka)

MAPREDUCE-5183. In, TaskTracker#reportProgress logging of 0.0-1.0 progress is followed by percent sign. Contributed by Niranjan Singh.

MAPREDUCE-5660. Log info about possible thrashing (when using memory-based scheduling in Capacity Scheduler) is not printed. Contributed by Adam Kawa.

MAPREDUCE-5556. mapred docs have incorrect classpath. Contributed by harsh.

MAPREDUCE-5272. A Minor Error in Javadoc of TestMRWithDistributedCache in Branch-1. Contributed by Zhijie Shen.

HDFS-7312. Update DistCp v1 to optionally not use tmp location. (Joseph Prosser via yzhangal)

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MAPREDUCE-6198. NPE from JobTracker#resolveAndAddToTopology in MR1 cause initJob and heartbeat failure. (zxu via rkanter)

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MAPREDUCE-6196. Fix BigDecimal ArithmeticException in PiEstimator (rchiang via rkanter)

HDFS-7503. Namenode restart after large deletions can cause slow processReport. (Arpit Agarwal)

MAPREDUCE-6170. TestUlimit failure on JDK8. (bc Wong via kasha)

MAPREDUCE-6147. Support mapreduce.input.fileinputformat.split.maxsize. (Zhihai Xu via kasha)

MAPREDUCE-6009. Map-only job with new-api runs wrong OutputCommitter when cleanup scheduled in a reduce slot (Gera Shegalov via Sandy Ryza)

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MAPREDUCE-6088. TestTokenCache tests should use their own JobConf instances. (Zhihai Xu via kasha)

HADOOP-11035. distcp on mr1(branch-1) fails with NPE using a short relative source path. Contributed by Zhihai Xu.

MAPREDUCE-6063. Correct spill size calculation for spills wrapping the circular buffer. Contributed by zhihai xu

MAPREDUCE-6012. DBInputSplit creates invalid ranges on Oracle. (Wei Yan via kasha)

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-1@1618699 13f79535-47bb-0310-9956-ffa450edef68

HDFS-6822. Namenode and datanode fails to replace _HOST to hostname for hadoop.http.authentication.kerberos.principal. Contributed by Jing Zhao.

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-1@1616296 13f79535-47bb-0310-9956-ffa450edef68

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MAPREDUCE-5968. Work directory is not deleted when downloadCacheObject throws IOException. (Zhihai Xu va kasha)

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-1@1615868 13f79535-47bb-0310-9956-ffa450edef68

MAPREDUCE-5966. MR1 FairScheduler use of custom weight adjuster is not thread safe for comparisons. (Anubhav Dhoot via kasha)

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-1@1613720 13f79535-47bb-0310-9956-ffa450edef68

MAPREDUCE-5979. FairScheduler: zero weight can cause sort failures. (Anubhav Dhoot via kasha)

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-1@1612724 13f79535-47bb-0310-9956-ffa450edef68

MAPREDUCE-5777. Support utf-8 text with BOM (byte order marker) (Zhihai Xu via kasha)

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-1@1603680 13f79535-47bb-0310-9956-ffa450edef68

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MAPREDUCE-4490. Fixed LinuxTaskController to re-initialize user log directory when JVM reuse option is enabled. (Sam Liu via eyang)

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-1@1602528 13f79535-47bb-0310-9956-ffa450edef68

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HADOOP-10614. CBZip2InputStream is not threadsafe (Xiangrui Meng via Sandy Ryza)

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-1@1595525 13f79535-47bb-0310-9956-ffa450edef68

MAPREDUCE-5877. Inconsistency between JT/TT for tasks taking a long time to launch (Karthik Kambatla via Sandy Ryza)

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-1@1592928 13f79535-47bb-0310-9956-ffa450edef68

HADOOP-10562. Namenode exits on exception without printing stack trace in AbstractDelegationTokenSecretManager. (Contributed by Suresh Srinivas)

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-1@1592647 13f79535-47bb-0310-9956-ffa450edef68

HDFS-6141. WebHdfsFileSystem#toUrl does not perform character escaping. Contributed by Chris Nauroth.

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-1@1588578 13f79535-47bb-0310-9956-ffa450edef68

MAPREDUCE-5822. FairScheduler does not preempt due to fairshare-starvation when fairshare is 1. (Anubhav Dhoot via kasha)

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-1@1586784 13f79535-47bb-0310-9956-ffa450edef68

MAPREDUCE-5808. Port output replication factor configurable for terasort to Hadoop 1.x. Contributed by Chuan Liu.

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-1@1580983 13f79535-47bb-0310-9956-ffa450edef68

HDFS-5516. WebHDFS does not require user name when anonymous http requests are disallowed. Contributed by Miodrag Radulovic.

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-1@1578564 13f79535-47bb-0310-9956-ffa450edef68