HADOOP-8781. hadoop-config.sh should add JAVA_LIBRARY_PATH to LD_LIBRARY_PATH. (tucu)

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MAPREDUCE-4576. Large dist cache can block tasktracker heartbeat (Robert Evans via tgraves).

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-1@1383430 13f79535-47bb-0310-9956-ffa450edef68
HADOOP-8767. Secondary namenode is started on slave nodes instead of master nodes. Contributed by Giovanni Delussu.

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-1@1383562 13f79535-47bb-0310-9956-ffa450edef68
Moved some of the jiras that have been merged into 1.1.0 to the relevant section from 1.2.0 section in CHANGES.txt

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Update to a changes description to format is correctly.

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HDFS-3703. Datanodes are marked stale if heartbeat is not received in configured timeout and are selected as the last location to read from.  Contributed by Jing Zhao


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-1@1384635 13f79535-47bb-0310-9956-ffa450edef68
Revert HDFS-3703 since the new test (testReadSelectNonStaleDatanode) fails.


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-1@1384640 13f79535-47bb-0310-9956-ffa450edef68
HDFS-3703. Datanodes are marked stale if heartbeat is not received in configured timeout and are selected as the last location to read from.  Contributed by Jing Zhao


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-1@1384742 13f79535-47bb-0310-9956-ffa450edef68
HADOOP-8819. Incorrectly & is used instead of && in some file system implementations. Contributed by Brandon Li.

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-1@1386723 13f79535-47bb-0310-9956-ffa450edef68
HADOOP-7688. When a servlet filter throws an exception in init(..), the Jetty server failed silently. Contributed by Uma Maheswara Rao G.



git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-1@1386767 13f79535-47bb-0310-9956-ffa450edef68
HADOOP-8786. HttpServer continues to start even if AuthenticationFilter fails to init. Contributed by Todd Lipcon.



git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-1@1386776 13f79535-47bb-0310-9956-ffa450edef68
HDFS-3961. FSEditLog preallocate() preallocated more than 1MB. Contributed by Jing Zhoa.

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-1@1388184 13f79535-47bb-0310-9956-ffa450edef68
Moving HDFS-3961 change from release 1.1 to 1.2

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HADOOP-8832. Port generic service plugin mechanism from HADOOP-5257 to branch-1. Backported by Brandon Li.

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-1@1388286 13f79535-47bb-0310-9956-ffa450edef68
HADOOP-3963. Back port of HDFS-5257 - HDFS servers may start and stop external components through a plugin interface. Contributed by Brandon Li.

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-1@1388312 13f79535-47bb-0310-9956-ffa450edef68
MAPREDUCE-2770. Improve hadoop.job.history.location doc in mapred-default.xml. Contributed by Sandy Ryza.

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-1@1388381 13f79535-47bb-0310-9956-ffa450edef68
HDFS-3966. TestFileCreation should use JUnit4 to make assumeTrue work. Contributed by Jing Zhao.

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HADOOP-7698. jsvc target fails on x86_64. Contributed by Daryn. (harsh)


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-1@1388980 13f79535-47bb-0310-9956-ffa450edef68
Fix the length of the secret key.


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MAPREDUCE-4673. Fix TestRawHistoryFile and TestJobHistoryServer to not write to /tmp. Contributed by Arpit Gupta.


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