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todd lipcon <todd@apache.org> in hadoop

HADOOP-16179. hadoop-common pom should not depend on kerb-simplekdc

The hadoop-common pom currently has a dependency on kerb-simplekdc. In

fact, the only classes used from Kerby are in kerb-core and kerb-util

(which is a transitive dependency frmo kerb-core). Depending on

kerb-simplekdc pulls a bunch of other unnecessary classes into the

hadoop-common classpath.

This changes the hadoop-common pom to depend only on kerb-core.

hadoop-minikdc already had the appropriate dependency on kerb-simplekdc

so it continues to pull in what it needs.

Signed-off-by: Todd Lipcon <todd@apache.org>

HADOOP-15549. Upgrade to commons-configuration 2.1 regresses task CPU consumption.

Contributed by Todd Lipcon.

(cherry picked from commit 1f21be2d024de724990a0b5737c0c65c6e59d7f3)

HADOOP-15549. Upgrade to commons-configuration 2.1 regresses task CPU consumption.

Contributed by Todd Lipcon.

HADOOP-15550. Avoid static initialization of ObjectMappers

(cherry picked from commit 7a3c6e9c3cd9ffdc71946fd12f5c3d59718c4939)

HADOOP-15550. Avoid static initialization of ObjectMappers

HADOOP-15549. Upgrade to commons-configuration 2.1 regresses task CPU consumption

HADOOP-15551. Avoid use of Arrays.stream in Configuration.addTags

Merge MR-2841 changes into main MapReduce CHANGES.txt file

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MAPREDUCE-2841. Merge remote-tracking branch 'apache/MR-2841' into trunk

MAPREDUCE-6074. native-task: Fix release audit warnings

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Merge remote-tracking branch 'apache/trunk' into MR-2841

MAPREDUCE-6069. Lint/style fixes and removal of unused code. Contributed by Todd Lipcon.

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MAPREDUCE-6055. native-task: findbugs, interface annotations, and other misc cleanup

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Merge remote-tracking branch 'origin/trunk' into MR-2841

Conflicts:

hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-core/src/main/java/org/apache/hadoop/mapred/MapTask.java

HDFS-6865. Byte array native checksumming on client side. Contributed by James Thomas.

(cherry picked from commit ab638e77b811d9592470f7d342cd11a66efbbf0d)

HDFS-6865. Byte array native checksumming on client side. Contributed by James Thomas.

MAPREDUCE-6054. native-task: Speed up tests. Contributed by Todd Lipcon.

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MAPREDUCE-5977. Fix or suppress native-task gcc warnings. Contributed by Manu Zhang.

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Update CHANGES.txt for HDFS-6561 which was renamed to HADOOP-10975.

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-2@1618687 13f79535-47bb-0310-9956-ffa450edef68

Update CHANGES.txt for HDFS-6561 which was renamed to HADOOP-10975.

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1618686 13f79535-47bb-0310-9956-ffa450edef68

MAPREDUCE-6035. native-task: sources/test-sources jar distribution. Contributed by Manu Zhang.

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/MR-2841@1617879 13f79535-47bb-0310-9956-ffa450edef68

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MAPREDUCE-6026. native-task: fix logging. Contributed by Manu Zhang.

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/MR-2841@1617878 13f79535-47bb-0310-9956-ffa450edef68

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MAPREDUCE-6006. native-task: add native tests to maven and fix bug in pom.xml. Contributed by Binglin Chang.

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/MR-2841@1617877 13f79535-47bb-0310-9956-ffa450edef68

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HADOOP-10838. Byte array native checksumming. Contributed by James Thomas.

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-2@1617876 13f79535-47bb-0310-9956-ffa450edef68

HADOOP-10838. Byte array native checksumming. Contributed by James Thomas.

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1617875 13f79535-47bb-0310-9956-ffa450edef68

MAPREDUCE-5995. native-task: Revert changes to Text internals. Contributed by Todd Lipcon.

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/MR-2841@1613828 13f79535-47bb-0310-9956-ffa450edef68

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Add entry to branch's CHANGES.txt for previous commit

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/MR-2841@1613827 13f79535-47bb-0310-9956-ffa450edef68

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MAPREDUCE-6000. native-task: Simplify ByteBufferDataReader/Writer. Contributed by Todd Lipcon.

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/MR-2841@1613036 13f79535-47bb-0310-9956-ffa450edef68

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MAPREDUCE-5997. native-task: Use DirectBufferPool from Hadoop Common. Contributed by Todd Lipcon.

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/MR-2841@1613034 13f79535-47bb-0310-9956-ffa450edef68

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Merge trunk into branch

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/MR-2841@1613007 13f79535-47bb-0310-9956-ffa450edef68