HDFS-4261. Fix bugs in Balancer that it does not terminate in some cases and it checks BlockPlacementPolicy instance incorrectly.  Contributed by Junping Du


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1419192 13f79535-47bb-0310-9956-ffa450edef68
MAPREDUCE-4703. Add the ability to start the MiniMRClientCluster using the configurations used before it is being stopped. (ahmed.radwan via tucu)

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1419618 13f79535-47bb-0310-9956-ffa450edef68
HDFS-4130. BKJM: The reading for editlog at NN starting using bkjm is not efficient. Contributed by Han Xiao.



git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1419649 13f79535-47bb-0310-9956-ffa450edef68
HDFS-4291. edit log unit tests leave stray test_edit_log_file around. Contributed by Colin Patrick McCabe.

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1419663 13f79535-47bb-0310-9956-ffa450edef68
HDFS-4292. Sanity check not correct in RemoteBlockReader2.newBlockReader. Contributed by Binglin Chang.

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1419675 13f79535-47bb-0310-9956-ffa450edef68
HADOOP-6762. Exception while doing RPC I/O closes channel. Contributed by Sam Rash and Todd Lipcon.

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1419782 13f79535-47bb-0310-9956-ffa450edef68
HADOOP-9126. FormatZK and ZKFC startup can fail due to zkclient connection establishment delay. Contributed by Rakesh R and Todd Lipcon.

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1419831 13f79535-47bb-0310-9956-ffa450edef68
HDFS-4295. Using port 1023 should be valid when starting Secure DataNode. Contributed by Stephen Chu.

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1419854 13f79535-47bb-0310-9956-ffa450edef68
HDFS-4294. Backwards compatibility is not maintained for TestVolumeId. Contributed by Ivan A. Veselovsky and Robert Parker.


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1419875 13f79535-47bb-0310-9956-ffa450edef68
HDFS-2264. NamenodeProtocol has the wrong value for clientPrincipal in KerberosInfo annotation. Contributed by Aaron T. Myers.


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1419949 13f79535-47bb-0310-9956-ffa450edef68
svn -c -1419192 . for reverting HDFS-4261 since TestBalancerWithNodeGroup failed in the recent Jenkins builds.


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1420010 13f79535-47bb-0310-9956-ffa450edef68
YARN-266. RM and JHS Web UIs are blank because AppsBlock is not escaping string properly. Contributed by Ravi Prakash


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1420232 13f79535-47bb-0310-9956-ffa450edef68
MAPREDUCE-4861. Cleanup: Remove unused mapreduce.security.token.DelegationTokenRenewal. (kkambatl via tucu)

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1420345 13f79535-47bb-0310-9956-ffa450edef68
HADOOP-9131. Turn off TestLocalFileSystem#testListStatusWithColons on Windows. Contributed by Chris Nauroth.

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1420366 13f79535-47bb-0310-9956-ffa450edef68
HADOOP-9113. o.a.h.fs.TestDelegationTokenRenewer is failing intermittently. Contributed by Karthik Kambatla


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1420490 13f79535-47bb-0310-9956-ffa450edef68
HDFS-4269. Datanode rejects all datanode registrations from localhost in single-node developer setup on Windows. Contributed by Chris Nauroth.

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1420492 13f79535-47bb-0310-9956-ffa450edef68
MAPREDUCE-4856. TestJobOutputCommitter uses same directory as TestJobCleanup. Contributed by Sandy Ryza.

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1420634 13f79535-47bb-0310-9956-ffa450edef68
HDFS-4296. Reserve layout version for release 1.2.0. Contributed by Suresh Srinivas.

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1420700 13f79535-47bb-0310-9956-ffa450edef68
YARN-267. Fix fair scheduler web UI. Contributed by Sandy Ryza.

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1420704 13f79535-47bb-0310-9956-ffa450edef68
HADOOP-8957 AbstractFileSystem#IsValidName should be overridden for embedded file systems like ViewFs (Chris Nauroth via Sanjay)


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1420965 13f79535-47bb-0310-9956-ffa450edef68