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Posted to common-commits@hadoop.apache.org by su...@apache.org on 2018/09/12 10:24:29 UTC

[22/90] [abbrv] [partial] hadoop git commit: HADOOP-14671. Upgrade Apache Yetus to 0.8.0

http://git-wip-us.apache.org/repos/asf/hadoop/blob/4b8c2b1c/hadoop-common-project/hadoop-common/src/site/markdown/release/0.23.5/CHANGES.0.23.5.md
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-
-<!---
-# Licensed to the Apache Software Foundation (ASF) under one
-# or more contributor license agreements.  See the NOTICE file
-# distributed with this work for additional information
-# regarding copyright ownership.  The ASF licenses this file
-# to you under the Apache License, Version 2.0 (the
-# "License"); you may not use this file except in compliance
-# with the License.  You may obtain a copy of the License at
-#
-#     http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
--->
-# Apache Hadoop Changelog
-
-## Release 0.23.5 - 2012-11-29
-
-### INCOMPATIBLE CHANGES:
-
-| JIRA | Summary | Priority | Component | Reporter | Contributor |
-|:---- |:---- | :--- |:---- |:---- |:---- |
-| [HDFS-4080](https://issues.apache.org/jira/browse/HDFS-4080) | Add a separate logger for block state change logs to enable turning off those logs |  Major | namenode | Kihwal Lee | Kihwal Lee |
-
-
-### IMPROVEMENTS:
-
-| JIRA | Summary | Priority | Component | Reporter | Contributor |
-|:---- |:---- | :--- |:---- |:---- |:---- |
-| [HADOOP-8789](https://issues.apache.org/jira/browse/HADOOP-8789) | Tests setLevel(Level.OFF) should be Level.ERROR |  Minor | test | Andy Isaacson | Andy Isaacson |
-| [HADOOP-8755](https://issues.apache.org/jira/browse/HADOOP-8755) | Print thread dump when tests fail due to timeout |  Major | test | Andrey Klochkov | Andrey Klochkov |
-| [HADOOP-8851](https://issues.apache.org/jira/browse/HADOOP-8851) | Use -XX:+HeapDumpOnOutOfMemoryError JVM option in the forked tests |  Minor | test | Ivan A. Veselovsky | Ivan A. Veselovsky |
-| [HDFS-3483](https://issues.apache.org/jira/browse/HDFS-3483) | Better error message when hdfs fsck is run against a ViewFS config |  Major | . | Stephen Chu | Stephen Fritz |
-| [HADOOP-8889](https://issues.apache.org/jira/browse/HADOOP-8889) | Upgrade to Surefire 2.12.3 |  Major | build, test | Todd Lipcon | Todd Lipcon |
-| [HADOOP-8932](https://issues.apache.org/jira/browse/HADOOP-8932) | JNI-based user-group mapping modules can be too chatty on lookup failures |  Major | security | Kihwal Lee | Kihwal Lee |
-| [HADOOP-8926](https://issues.apache.org/jira/browse/HADOOP-8926) | hadoop.util.PureJavaCrc32 cache hit-ratio is low for static data |  Major | util | Gopal V | Gopal V |
-| [HADOOP-8930](https://issues.apache.org/jira/browse/HADOOP-8930) | Cumulative code coverage calculation |  Major | test | Andrey Klochkov | Andrey Klochkov |
-| [MAPREDUCE-4229](https://issues.apache.org/jira/browse/MAPREDUCE-4229) | Counter names' memory usage can be decreased by interning |  Major | jobtracker | Todd Lipcon | Miomir Boljanovic |
-| [MAPREDUCE-4752](https://issues.apache.org/jira/browse/MAPREDUCE-4752) | Reduce MR AM memory usage through String Interning |  Major | mrv2 | Robert Joseph Evans | Robert Joseph Evans |
-| [YARN-165](https://issues.apache.org/jira/browse/YARN-165) | RM should point tracking URL to RM web page for app when AM fails |  Blocker | resourcemanager | Jason Lowe | Jason Lowe |
-| [MAPREDUCE-4763](https://issues.apache.org/jira/browse/MAPREDUCE-4763) | repair test org.apache.hadoop.mapreduce.security.TestUmbilicalProtocolWithJobToken |  Minor | . | Ivan A. Veselovsky |  |
-| [MAPREDUCE-4666](https://issues.apache.org/jira/browse/MAPREDUCE-4666) | JVM metrics for history server |  Minor | jobhistoryserver | Jason Lowe | Jason Lowe |
-| [MAPREDUCE-4517](https://issues.apache.org/jira/browse/MAPREDUCE-4517) | Too many INFO messages written out during AM to RM heartbeat |  Minor | applicationmaster | James Kinley | Jason Lowe |
-| [YARN-216](https://issues.apache.org/jira/browse/YARN-216) | Remove jquery theming support |  Major | . | Todd Lipcon | Robert Joseph Evans |
-| [MAPREDUCE-4802](https://issues.apache.org/jira/browse/MAPREDUCE-4802) | Takes a long time to load the task list on the AM for large jobs |  Major | mr-am, mrv2, webapps | Ravi Prakash | Ravi Prakash |
-
-
-### BUG FIXES:
-
-| JIRA | Summary | Priority | Component | Reporter | Contributor |
-|:---- |:---- | :--- |:---- |:---- |:---- |
-| [HADOOP-8775](https://issues.apache.org/jira/browse/HADOOP-8775) | MR2 distcp permits non-positive value to -bandwidth option which causes job never to complete |  Major | . | Sandy Ryza | Sandy Ryza |
-| [HDFS-3919](https://issues.apache.org/jira/browse/HDFS-3919) | MiniDFSCluster:waitClusterUp can hang forever |  Minor | test | Andy Isaacson | Andy Isaacson |
-| [HADOOP-8819](https://issues.apache.org/jira/browse/HADOOP-8819) | Should use && instead of  & in a few places in FTPFileSystem,FTPInputStream,S3InputStream,ViewFileSystem,ViewFs |  Major | fs | Brandon Li | Brandon Li |
-| [YARN-28](https://issues.apache.org/jira/browse/YARN-28) | TestCompositeService fails on jdk7 |  Major | . | Thomas Graves | Thomas Graves |
-| [MAPREDUCE-4674](https://issues.apache.org/jira/browse/MAPREDUCE-4674) | Hadoop examples secondarysort has a typo "secondarysrot" in the usage |  Minor | . | Robert Justice | Robert Justice |
-| [HADOOP-8791](https://issues.apache.org/jira/browse/HADOOP-8791) | rm "Only deletes non empty directory and files." |  Major | documentation | Bertrand Dechoux | Jing Zhao |
-| [HADOOP-8386](https://issues.apache.org/jira/browse/HADOOP-8386) | hadoop script doesn't work if 'cd' prints to stdout (default behavior in Ubuntu) |  Major | scripts | Christopher Berner | Christopher Berner |
-| [YARN-116](https://issues.apache.org/jira/browse/YARN-116) | RM is missing ability to add include/exclude files without a restart |  Major | resourcemanager | xieguiming | xieguiming |
-| [YARN-131](https://issues.apache.org/jira/browse/YARN-131) | Incorrect ACL properties in capacity scheduler documentation |  Major | capacityscheduler | Ahmed Radwan | Ahmed Radwan |
-| [HDFS-3905](https://issues.apache.org/jira/browse/HDFS-3905) | Secure cluster cannot use hftp to an insecure cluster |  Critical | hdfs-client, security | Daryn Sharp | Daryn Sharp |
-| [YARN-102](https://issues.apache.org/jira/browse/YARN-102) | Move the apache licence header to the top of the file in MemStore.java |  Trivial | resourcemanager | Devaraj K | Devaraj K |
-| [HDFS-3996](https://issues.apache.org/jira/browse/HDFS-3996) | Add debug log removed in HDFS-3873 back |  Minor | . | Eli Collins | Eli Collins |
-| [HDFS-3829](https://issues.apache.org/jira/browse/HDFS-3829) | TestHftpURLTimeouts fails intermittently with JDK7 |  Major | test | Trevor Robinson | Trevor Robinson |
-| [MAPREDUCE-4554](https://issues.apache.org/jira/browse/MAPREDUCE-4554) | Job Credentials are not transmitted if security is turned off |  Major | job submission, security | Benoy Antony | Benoy Antony |
-| [MAPREDUCE-4705](https://issues.apache.org/jira/browse/MAPREDUCE-4705) | Historyserver links expire before the history data does |  Critical | jobhistoryserver, mrv2 | Jason Lowe | Jason Lowe |
-| [YARN-30](https://issues.apache.org/jira/browse/YARN-30) | TestNMWebServicesApps, TestRMWebServicesApps and TestRMWebServicesNodes fail on jdk7 |  Major | . | Thomas Graves | Thomas Graves |
-| [HDFS-3824](https://issues.apache.org/jira/browse/HDFS-3824) | TestHftpDelegationToken fails intermittently with JDK7 |  Major | test | Trevor Robinson | Trevor Robinson |
-| [HDFS-3224](https://issues.apache.org/jira/browse/HDFS-3224) | Bug in check for DN re-registration with different storage ID |  Minor | . | Eli Collins | Jason Lowe |
-| [HADOOP-8906](https://issues.apache.org/jira/browse/HADOOP-8906) | paths with multiple globs are unreliable |  Critical | fs | Daryn Sharp | Daryn Sharp |
-| [HDFS-4016](https://issues.apache.org/jira/browse/HDFS-4016) | back-port HDFS-3582 to branch-0.23 |  Minor | . | Ivan A. Veselovsky | Ivan A. Veselovsky |
-| [MAPREDUCE-4521](https://issues.apache.org/jira/browse/MAPREDUCE-4521) | mapreduce.user.classpath.first incompatibility with 0.20/1.x |  Major | mrv2 | Jason Lowe | Ravi Prakash |
-| [YARN-161](https://issues.apache.org/jira/browse/YARN-161) | Yarn Common has multiple compiler warnings for unchecked operations |  Major | api | Chris Nauroth | Chris Nauroth |
-| [YARN-43](https://issues.apache.org/jira/browse/YARN-43) | TestResourceTrackerService fail intermittently on jdk7 |  Major | . | Thomas Graves | Thomas Graves |
-| [MAPREDUCE-4721](https://issues.apache.org/jira/browse/MAPREDUCE-4721) | Task startup time in JHS is same as job startup time. |  Major | jobhistoryserver | Ravi Prakash | Ravi Prakash |
-| [YARN-32](https://issues.apache.org/jira/browse/YARN-32) | TestApplicationTokens fails intermintently on jdk7 |  Major | . | Thomas Graves | Vinod Kumar Vavilapalli |
-| [YARN-163](https://issues.apache.org/jira/browse/YARN-163) | Retrieving container log via NM webapp can hang with multibyte characters in log |  Major | nodemanager | Jason Lowe | Jason Lowe |
-| [MAPREDUCE-4479](https://issues.apache.org/jira/browse/MAPREDUCE-4479) | Fix parameter order in assertEquals() in TestCombineInputFileFormat.java |  Major | test | Mariappan Asokan | Mariappan Asokan |
-| [MAPREDUCE-4733](https://issues.apache.org/jira/browse/MAPREDUCE-4733) | Reducer can fail to make progress during shuffle if too many reducers complete consecutively |  Major | applicationmaster, mrv2 | Jason Lowe | Jason Lowe |
-| [MAPREDUCE-4740](https://issues.apache.org/jira/browse/MAPREDUCE-4740) | only .jars can be added to the Distributed Cache classpath |  Blocker | mrv2 | Robert Joseph Evans | Robert Joseph Evans |
-| [YARN-174](https://issues.apache.org/jira/browse/YARN-174) | TestNodeStatusUpdater is failing in trunk |  Major | nodemanager | Robert Joseph Evans | Vinod Kumar Vavilapalli |
-| [HDFS-4090](https://issues.apache.org/jira/browse/HDFS-4090) | getFileChecksum() result incompatible when called against zero-byte files. |  Critical | hdfs-client | Kihwal Lee | Kihwal Lee |
-| [HADOOP-8962](https://issues.apache.org/jira/browse/HADOOP-8962) | RawLocalFileSystem.listStatus fails when a child filename contains a colon |  Critical | fs | Jason Lowe | Jason Lowe |
-| [YARN-177](https://issues.apache.org/jira/browse/YARN-177) | CapacityScheduler - adding a queue while the RM is running has wacky results |  Critical | capacityscheduler | Thomas Graves | Arun C Murthy |
-| [YARN-178](https://issues.apache.org/jira/browse/YARN-178) | Fix custom ProcessTree instance creation |  Critical | . | Radim Kolar | Radim Kolar |
-| [YARN-180](https://issues.apache.org/jira/browse/YARN-180) | Capacity scheduler - containers that get reserved create container token to early |  Critical | capacityscheduler | Thomas Graves | Arun C Murthy |
-| [YARN-139](https://issues.apache.org/jira/browse/YARN-139) | Interrupted Exception within AsyncDispatcher leads to user confusion |  Major | api | Nathan Roberts | Vinod Kumar Vavilapalli |
-| [MAPREDUCE-4741](https://issues.apache.org/jira/browse/MAPREDUCE-4741) | WARN and ERROR messages logged during normal AM shutdown |  Minor | applicationmaster, mrv2 | Jason Lowe | Vinod Kumar Vavilapalli |
-| [MAPREDUCE-4730](https://issues.apache.org/jira/browse/MAPREDUCE-4730) | AM crashes due to OOM while serving up map task completion events |  Blocker | applicationmaster, mrv2 | Jason Lowe | Jason Lowe |
-| [MAPREDUCE-4748](https://issues.apache.org/jira/browse/MAPREDUCE-4748) | Invalid event: T\_ATTEMPT\_SUCCEEDED at SUCCEEDED |  Blocker | mrv2 | Robert Joseph Evans | Jason Lowe |
-| [MAPREDUCE-1806](https://issues.apache.org/jira/browse/MAPREDUCE-1806) | CombineFileInputFormat does not work with paths not on default FS |  Major | harchive | Paul Yang | Gera Shegalov |
-| [HADOOP-8986](https://issues.apache.org/jira/browse/HADOOP-8986) | Server$Call object is never released after it is sent |  Critical | ipc | Robert Joseph Evans | Robert Joseph Evans |
-| [YARN-159](https://issues.apache.org/jira/browse/YARN-159) | RM web ui applications page should be sorted to display last app first |  Major | resourcemanager | Thomas Graves | Thomas Graves |
-| [YARN-166](https://issues.apache.org/jira/browse/YARN-166) | capacity scheduler doesn't allow capacity \< 1.0 |  Major | capacityscheduler | Thomas Graves | Thomas Graves |
-| [MAPREDUCE-4724](https://issues.apache.org/jira/browse/MAPREDUCE-4724) | job history web ui applications page should be sorted to display last app first |  Major | jobhistoryserver | Thomas Graves | Thomas Graves |
-| [YARN-189](https://issues.apache.org/jira/browse/YARN-189) | deadlock in RM - AMResponse object |  Blocker | resourcemanager | Thomas Graves | Thomas Graves |
-| [MAPREDUCE-4746](https://issues.apache.org/jira/browse/MAPREDUCE-4746) | The MR Application Master does not have a config to set environment variables |  Major | applicationmaster | Robert Parker | Robert Parker |
-| [MAPREDUCE-4729](https://issues.apache.org/jira/browse/MAPREDUCE-4729) | job history UI not showing all job attempts |  Major | jobhistoryserver | Thomas Graves | Vinod Kumar Vavilapalli |
-| [MAPREDUCE-4771](https://issues.apache.org/jira/browse/MAPREDUCE-4771) | KeyFieldBasedPartitioner not partitioning properly when configured |  Major | mrv2 | Jason Lowe | Jason Lowe |
-| [HDFS-4075](https://issues.apache.org/jira/browse/HDFS-4075) | Reduce recommissioning overhead |  Critical | namenode | Kihwal Lee | Kihwal Lee |
-| [YARN-201](https://issues.apache.org/jira/browse/YARN-201) | CapacityScheduler can take a very long time to schedule containers if requests are off cluster |  Critical | capacityscheduler | Jason Lowe | Jason Lowe |
-| [MAPREDUCE-4772](https://issues.apache.org/jira/browse/MAPREDUCE-4772) | Fetch failures can take way too long for a map to be restarted |  Critical | mrv2 | Robert Joseph Evans | Robert Joseph Evans |
-| [HDFS-3990](https://issues.apache.org/jira/browse/HDFS-3990) | NN's health report has severe performance problems |  Critical | namenode | Daryn Sharp | Daryn Sharp |
-| [MAPREDUCE-4782](https://issues.apache.org/jira/browse/MAPREDUCE-4782) | NLineInputFormat skips first line of last InputSplit |  Blocker | client | Mark Fuhs | Mark Fuhs |
-| [HDFS-4162](https://issues.apache.org/jira/browse/HDFS-4162) | Some malformed and unquoted HTML strings are returned from datanode web ui |  Minor | datanode | Derek Dagit | Derek Dagit |
-| [MAPREDUCE-4774](https://issues.apache.org/jira/browse/MAPREDUCE-4774) | JobImpl does not handle asynchronous task events in FAILED state |  Major | applicationmaster, mrv2 | Ivan A. Veselovsky | Jason Lowe |
-| [YARN-206](https://issues.apache.org/jira/browse/YARN-206) | TestApplicationCleanup.testContainerCleanup occasionally fails |  Major | resourcemanager | Jason Lowe | Jason Lowe |
-| [MAPREDUCE-4751](https://issues.apache.org/jira/browse/MAPREDUCE-4751) | AM stuck in KILL\_WAIT for days |  Major | . | Ravi Prakash | Vinod Kumar Vavilapalli |
-| [MAPREDUCE-4787](https://issues.apache.org/jira/browse/MAPREDUCE-4787) | TestJobMonitorAndPrint is broken |  Major | test | Ravi Prakash | Robert Parker |
-| [HDFS-4172](https://issues.apache.org/jira/browse/HDFS-4172) | namenode does not URI-encode parameters when building URI for datanode request |  Minor | namenode | Derek Dagit | Derek Dagit |
-| [MAPREDUCE-4425](https://issues.apache.org/jira/browse/MAPREDUCE-4425) | Speculation + Fetch failures can lead to a hung job |  Critical | mrv2 | Siddharth Seth | Jason Lowe |
-| [MAPREDUCE-4786](https://issues.apache.org/jira/browse/MAPREDUCE-4786) | Job End Notification retry interval is 5 milliseconds by default |  Major | mrv2 | Ravi Prakash | Ravi Prakash |
-| [HADOOP-9022](https://issues.apache.org/jira/browse/HADOOP-9022) | Hadoop distcp tool fails to copy file if -m 0 specified |  Major | . | Haiyang Jiang | Jonathan Eagles |
-| [HADOOP-9025](https://issues.apache.org/jira/browse/HADOOP-9025) | org.apache.hadoop.tools.TestCopyListing failing |  Major | . | Robert Joseph Evans | Jonathan Eagles |
-| [HDFS-4181](https://issues.apache.org/jira/browse/HDFS-4181) | LeaseManager tries to double remove and prints extra messages |  Critical | namenode | Kihwal Lee | Kihwal Lee |
-| [YARN-212](https://issues.apache.org/jira/browse/YARN-212) | NM state machine ignores an APPLICATION\_CONTAINER\_FINISHED event when it shouldn't |  Blocker | nodemanager | Nathan Roberts | Nathan Roberts |
-| [YARN-144](https://issues.apache.org/jira/browse/YARN-144) | MiniMRYarnCluster launches RM and JHS on default ports |  Major | . | Robert Parker | Robert Parker |
-| [HDFS-4182](https://issues.apache.org/jira/browse/HDFS-4182) | SecondaryNameNode leaks NameCache entries |  Critical | namenode | Todd Lipcon | Robert Joseph Evans |
-| [MAPREDUCE-4797](https://issues.apache.org/jira/browse/MAPREDUCE-4797) | LocalContainerAllocator can loop forever trying to contact the RM |  Major | applicationmaster | Jason Lowe | Jason Lowe |
-| [MAPREDUCE-4720](https://issues.apache.org/jira/browse/MAPREDUCE-4720) | Browser thinks History Server main page JS is taking too long |  Major | . | Robert Joseph Evans | Ravi Prakash |
-| [HDFS-4186](https://issues.apache.org/jira/browse/HDFS-4186) | logSync() is called with the write lock held while releasing lease |  Critical | namenode | Kihwal Lee | Kihwal Lee |
-| [MAPREDUCE-4801](https://issues.apache.org/jira/browse/MAPREDUCE-4801) | ShuffleHandler can generate large logs due to prematurely closed channels |  Critical | . | Jason Lowe | Jason Lowe |
-| [YARN-214](https://issues.apache.org/jira/browse/YARN-214) | RMContainerImpl does not handle event EXPIRE at state RUNNING |  Major | resourcemanager | Jason Lowe | Jonathan Eagles |
-| [YARN-151](https://issues.apache.org/jira/browse/YARN-151) | Browser thinks RM main page JS is taking too long |  Major | . | Robert Joseph Evans | Ravi Prakash |
-| [MAPREDUCE-4549](https://issues.apache.org/jira/browse/MAPREDUCE-4549) | Distributed cache conflicts breaks backwards compatability |  Blocker | mrv2 | Robert Joseph Evans | Robert Joseph Evans |
-
-
-### SUB-TASKS:
-
-| JIRA | Summary | Priority | Component | Reporter | Contributor |
-|:---- |:---- | :--- |:---- |:---- |:---- |
-| [MAPREDUCE-4107](https://issues.apache.org/jira/browse/MAPREDUCE-4107) | Fix tests in org.apache.hadoop.ipc.TestSocketFactory |  Major | mrv2 | Devaraj K | Devaraj K |
-| [YARN-202](https://issues.apache.org/jira/browse/YARN-202) | Log Aggregation generates a storm of fsync() for namenode |  Critical | . | Kihwal Lee | Kihwal Lee |
-| [YARN-186](https://issues.apache.org/jira/browse/YARN-186) | Coverage fixing LinuxContainerExecutor |  Major | resourcemanager, scheduler | Aleksey Gorshkov | Aleksey Gorshkov |
-| [YARN-188](https://issues.apache.org/jira/browse/YARN-188) | Coverage fixing for CapacityScheduler |  Major | capacityscheduler | Aleksey Gorshkov | Aleksey Gorshkov |
-| [YARN-219](https://issues.apache.org/jira/browse/YARN-219) | NM should aggregate logs when application finishes. |  Critical | nodemanager | Robert Joseph Evans | Robert Joseph Evans |
-
-
-### OTHER:
-
-| JIRA | Summary | Priority | Component | Reporter | Contributor |
-|:---- |:---- | :--- |:---- |:---- |:---- |
-| [MAPREDUCE-4596](https://issues.apache.org/jira/browse/MAPREDUCE-4596) | Split StateMachine state from states seen by MRClientProtocol (for Job, Task, TaskAttempt) |  Major | applicationmaster, mrv2 | Siddharth Seth | Siddharth Seth |
-| [YARN-154](https://issues.apache.org/jira/browse/YARN-154) | Create Yarn trunk and commit jobs |  Major | . | Eli Collins | Robert Joseph Evans |
-| [MAPREDUCE-4266](https://issues.apache.org/jira/browse/MAPREDUCE-4266) | remove Ant remnants from MR |  Major | build | Alejandro Abdelnur | Alejandro Abdelnur |
-| [HADOOP-8860](https://issues.apache.org/jira/browse/HADOOP-8860) | Split MapReduce and YARN sections in documentation navigation |  Major | documentation | Tom White | Tom White |
-
-

http://git-wip-us.apache.org/repos/asf/hadoop/blob/4b8c2b1c/hadoop-common-project/hadoop-common/src/site/markdown/release/0.23.6/CHANGELOG.0.23.6.md
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diff --git a/hadoop-common-project/hadoop-common/src/site/markdown/release/0.23.6/CHANGELOG.0.23.6.md b/hadoop-common-project/hadoop-common/src/site/markdown/release/0.23.6/CHANGELOG.0.23.6.md
new file mode 100644
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+++ b/hadoop-common-project/hadoop-common/src/site/markdown/release/0.23.6/CHANGELOG.0.23.6.md
@@ -0,0 +1,127 @@
+
+<!---
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements.  See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership.  The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License.  You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+-->
+# Apache Hadoop Changelog
+
+## Release 0.23.6 - 2013-02-06
+
+
+
+### IMPROVEMENTS:
+
+| JIRA | Summary | Priority | Component | Reporter | Contributor |
+|:---- |:---- | :--- |:---- |:---- |:---- |
+| [YARN-80](https://issues.apache.org/jira/browse/YARN-80) | Support delay scheduling for node locality in MR2's capacity scheduler |  Major | capacityscheduler | Todd Lipcon | Arun C Murthy |
+| [HADOOP-8931](https://issues.apache.org/jira/browse/HADOOP-8931) | Add Java version to startup message |  Trivial | . | Eli Collins | Eli Collins |
+| [MAPREDUCE-4811](https://issues.apache.org/jira/browse/MAPREDUCE-4811) | JobHistoryServer should show when it was started in WebUI About page |  Minor | jobhistoryserver, mrv2 | Ravi Prakash | Ravi Prakash |
+| [MAPREDUCE-4764](https://issues.apache.org/jira/browse/MAPREDUCE-4764) | repair test org.apache.hadoop.mapreduce.security.TestBinaryTokenFile |  Major | . | Ivan A. Veselovsky |  |
+| [HADOOP-8992](https://issues.apache.org/jira/browse/HADOOP-8992) | Enhance unit-test coverage of class HarFileSystem |  Minor | . | Ivan A. Veselovsky | Ivan A. Veselovsky |
+| [HADOOP-8561](https://issues.apache.org/jira/browse/HADOOP-8561) | Introduce HADOOP\_PROXY\_USER for secure impersonation in child hadoop client processes |  Major | security | Luke Lu | Yu Gao |
+| [MAPREDUCE-4845](https://issues.apache.org/jira/browse/MAPREDUCE-4845) | ClusterStatus.getMaxMemory() and getUsedMemory() exist in MR1 but not MR2 |  Major | client | Sandy Ryza | Sandy Ryza |
+| [YARN-285](https://issues.apache.org/jira/browse/YARN-285) | RM should be able to provide a tracking link for apps that have already been purged |  Major | . | Derek Dagit | Derek Dagit |
+| [MAPREDUCE-4899](https://issues.apache.org/jira/browse/MAPREDUCE-4899) | Provide a plugin to the Yarn Web App Proxy to generate tracking links for M/R appllications given the ID |  Major | . | Derek Dagit | Derek Dagit |
+| [MAPREDUCE-4810](https://issues.apache.org/jira/browse/MAPREDUCE-4810) | Add admin command options for ApplicationMaster |  Minor | applicationmaster | Jason Lowe | Haifeng Chen |
+
+
+### BUG FIXES:
+
+| JIRA | Summary | Priority | Component | Reporter | Contributor |
+|:---- |:---- | :--- |:---- |:---- |:---- |
+| [HADOOP-7868](https://issues.apache.org/jira/browse/HADOOP-7868) | Hadoop native fails to compile when default linker option is -Wl,--as-needed |  Major | native | James Page | Trevor Robinson |
+| [HDFS-2757](https://issues.apache.org/jira/browse/HDFS-2757) | Cannot read a local block that's being written to when using the local read short circuit |  Major | . | Jean-Daniel Cryans | Jean-Daniel Cryans |
+| [HDFS-4186](https://issues.apache.org/jira/browse/HDFS-4186) | logSync() is called with the write lock held while releasing lease |  Critical | namenode | Kihwal Lee | Kihwal Lee |
+| [HADOOP-9072](https://issues.apache.org/jira/browse/HADOOP-9072) | Hadoop-Common-0.23-Build Fails to build in Jenkins |  Major | . | Robert Parker | Robert Parker |
+| [MAPREDUCE-4825](https://issues.apache.org/jira/browse/MAPREDUCE-4825) | JobImpl.finished doesn't expect ERROR as a final job state |  Major | mr-am | Jason Lowe | Jason Lowe |
+| [MAPREDUCE-4817](https://issues.apache.org/jira/browse/MAPREDUCE-4817) | Hardcoded task ping timeout kills tasks localizing large amounts of data |  Critical | applicationmaster, mr-am | Jason Lowe | Thomas Graves |
+| [HDFS-4242](https://issues.apache.org/jira/browse/HDFS-4242) | Map.Entry is incorrectly used in LeaseManager |  Major | namenode | Tsz Wo Nicholas Sze | Tsz Wo Nicholas Sze |
+| [HADOOP-9108](https://issues.apache.org/jira/browse/HADOOP-9108) | Add a method to clear terminateCalled to ExitUtil for test cases |  Major | util | Kihwal Lee | Kihwal Lee |
+| [HDFS-4233](https://issues.apache.org/jira/browse/HDFS-4233) | NN keeps serving even after no journals started while rolling edit |  Blocker | namenode | Kihwal Lee | Kihwal Lee |
+| [YARN-251](https://issues.apache.org/jira/browse/YARN-251) | Proxy URI generation fails for blank tracking URIs |  Major | resourcemanager | Tom White | Tom White |
+| [MAPREDUCE-4836](https://issues.apache.org/jira/browse/MAPREDUCE-4836) | Elapsed time for running tasks on AM web UI tasks page is 0 |  Major | . | Ravi Prakash | Ravi Prakash |
+| [HDFS-4254](https://issues.apache.org/jira/browse/HDFS-4254) | testAllEditsDirsFailOnFlush makes subsequent test cases fail (0.23.6 only) |  Major | test | Kihwal Lee | Kihwal Lee |
+| [YARN-72](https://issues.apache.org/jira/browse/YARN-72) | NM should handle cleaning up containers when it shuts down |  Major | nodemanager | Hitesh Shah | Sandy Ryza |
+| [YARN-258](https://issues.apache.org/jira/browse/YARN-258) | RM web page UI shows Invalid Date for start and finish times |  Major | resourcemanager | Ravi Prakash | Ravi Prakash |
+| [YARN-266](https://issues.apache.org/jira/browse/YARN-266) | RM and JHS Web UIs are blank because AppsBlock is not escaping string properly |  Critical | resourcemanager | Ravi Prakash | Ravi Prakash |
+| [MAPREDUCE-4861](https://issues.apache.org/jira/browse/MAPREDUCE-4861) | Cleanup: Remove unused mapreduce.security.token.DelegationTokenRenewal |  Major | . | Karthik Kambatla | Karthik Kambatla |
+| [MAPREDUCE-4856](https://issues.apache.org/jira/browse/MAPREDUCE-4856) | TestJobOutputCommitter uses same directory as TestJobCleanup |  Major | test | Sandy Ryza | Sandy Ryza |
+| [HADOOP-9135](https://issues.apache.org/jira/browse/HADOOP-9135) | JniBasedUnixGroupsMappingWithFallback should log at debug rather than info during fallback |  Trivial | security | Colin P. McCabe | Colin P. McCabe |
+| [HDFS-4315](https://issues.apache.org/jira/browse/HDFS-4315) | DNs with multiple BPs can have BPOfferServices fail to start due to unsynchronized map access |  Major | datanode | Aaron T. Myers | Aaron T. Myers |
+| [HDFS-4232](https://issues.apache.org/jira/browse/HDFS-4232) | NN fails to write a fsimage with stale leases |  Blocker | namenode | Daryn Sharp | Daryn Sharp |
+| [HADOOP-9152](https://issues.apache.org/jira/browse/HADOOP-9152) | HDFS can report negative DFS Used on clusters with very small amounts of data |  Minor | fs | Brock Noland | Brock Noland |
+| [YARN-223](https://issues.apache.org/jira/browse/YARN-223) | Change processTree interface to work better with native code |  Critical | . | Radim Kolar | Radim Kolar |
+| [MAPREDUCE-4895](https://issues.apache.org/jira/browse/MAPREDUCE-4895) | Fix compilation failure of org.apache.hadoop.mapred.gridmix.TestResourceUsageEmulators |  Major | . | Dennis Y | Dennis Y |
+| [HADOOP-9105](https://issues.apache.org/jira/browse/HADOOP-9105) | FsShell -moveFromLocal erroneously fails |  Major | fs | Daryn Sharp | Daryn Sharp |
+| [MAPREDUCE-4842](https://issues.apache.org/jira/browse/MAPREDUCE-4842) | Shuffle race can hang reducer |  Blocker | mrv2 | Jason Lowe | Mariappan Asokan |
+| [MAPREDUCE-4833](https://issues.apache.org/jira/browse/MAPREDUCE-4833) | Task can get stuck in FAIL\_CONTAINER\_CLEANUP |  Critical | applicationmaster, mrv2 | Robert Joseph Evans | Robert Parker |
+| [MAPREDUCE-4890](https://issues.apache.org/jira/browse/MAPREDUCE-4890) | Invalid TaskImpl state transitions when task fails while speculating |  Critical | mr-am | Jason Lowe | Jason Lowe |
+| [HADOOP-9169](https://issues.apache.org/jira/browse/HADOOP-9169) | Bring branch-0.23 ExitUtil up to same level as branch-2 |  Major | . | Robert Joseph Evans | Robert Joseph Evans |
+| [MAPREDUCE-4902](https://issues.apache.org/jira/browse/MAPREDUCE-4902) | Fix typo "receievd" should be "received" in log output |  Trivial | . | Albert Chu | Albert Chu |
+| [YARN-225](https://issues.apache.org/jira/browse/YARN-225) | Proxy Link in RM UI thows NPE in Secure mode |  Critical | resourcemanager | Devaraj K | Devaraj K |
+| [MAPREDUCE-4813](https://issues.apache.org/jira/browse/MAPREDUCE-4813) | AM timing out during job commit |  Critical | applicationmaster | Jason Lowe | Jason Lowe |
+| [YARN-293](https://issues.apache.org/jira/browse/YARN-293) | Node Manager leaks LocalizerRunner object for every Container |  Critical | nodemanager | Devaraj K | Robert Joseph Evans |
+| [MAPREDUCE-4279](https://issues.apache.org/jira/browse/MAPREDUCE-4279) | getClusterStatus() fails with null pointer exception when running jobs in local mode |  Major | jobtracker | Rahul Jain | Devaraj K |
+| [HDFS-4270](https://issues.apache.org/jira/browse/HDFS-4270) | Replications of the highest priority should be allowed to choose a source datanode that has reached its max replication limit |  Minor | namenode | Derek Dagit | Derek Dagit |
+| [MAPREDUCE-4832](https://issues.apache.org/jira/browse/MAPREDUCE-4832) | MR AM can get in a split brain situation |  Critical | applicationmaster | Robert Joseph Evans | Jason Lowe |
+| [MAPREDUCE-4894](https://issues.apache.org/jira/browse/MAPREDUCE-4894) | Renewal / cancellation of JobHistory tokens |  Blocker | jobhistoryserver, mrv2 | Siddharth Seth | Siddharth Seth |
+| [MAPREDUCE-4819](https://issues.apache.org/jira/browse/MAPREDUCE-4819) | AM can rerun job after reporting final job status to the client |  Blocker | mr-am | Jason Lowe | Bikas Saha |
+| [MAPREDUCE-4913](https://issues.apache.org/jira/browse/MAPREDUCE-4913) | TestMRAppMaster#testMRAppMasterMissingStaging occasionally exits |  Major | mr-am | Jason Lowe | Jason Lowe |
+| [YARN-170](https://issues.apache.org/jira/browse/YARN-170) | NodeManager stop() gets called twice on shutdown |  Major | nodemanager | Sandy Ryza | Sandy Ryza |
+| [HADOOP-9181](https://issues.apache.org/jira/browse/HADOOP-9181) | Set daemon flag for HttpServer's QueuedThreadPool |  Major | . | Liang Xie | Liang Xie |
+| [YARN-320](https://issues.apache.org/jira/browse/YARN-320) | RM should always be able to renew its own tokens |  Blocker | resourcemanager | Daryn Sharp | Daryn Sharp |
+| [YARN-325](https://issues.apache.org/jira/browse/YARN-325) | RM CapacityScheduler can deadlock when getQueueInfo() is called and a container is completing |  Blocker | capacityscheduler | Jason Lowe | Arun C Murthy |
+| [MAPREDUCE-4848](https://issues.apache.org/jira/browse/MAPREDUCE-4848) | TaskAttemptContext cast error during AM recovery |  Major | mr-am | Jason Lowe | Haifeng Chen |
+| [HADOOP-9097](https://issues.apache.org/jira/browse/HADOOP-9097) | Maven RAT plugin is not checking all source files |  Critical | build | Tom White | Thomas Graves |
+| [HDFS-4385](https://issues.apache.org/jira/browse/HDFS-4385) | Maven RAT plugin is not checking all source files |  Critical | build | Thomas Graves | Thomas Graves |
+| [MAPREDUCE-4934](https://issues.apache.org/jira/browse/MAPREDUCE-4934) | Maven RAT plugin is not checking all source files |  Critical | build | Thomas Graves | Thomas Graves |
+| [YARN-334](https://issues.apache.org/jira/browse/YARN-334) | Maven RAT plugin is not checking all source files |  Critical | . | Thomas Graves | Thomas Graves |
+| [MAPREDUCE-4678](https://issues.apache.org/jira/browse/MAPREDUCE-4678) | Running the Pentomino example with defaults throws java.lang.NegativeArraySizeException |  Minor | examples | Chris McConnell | Chris McConnell |
+| [MAPREDUCE-4925](https://issues.apache.org/jira/browse/MAPREDUCE-4925) | The pentomino option parser may be buggy |  Major | examples | Karthik Kambatla | Karthik Kambatla |
+| [MAPREDUCE-4921](https://issues.apache.org/jira/browse/MAPREDUCE-4921) | JobClient should acquire HS token with RM principal |  Blocker | client | Daryn Sharp | Daryn Sharp |
+| [HDFS-4426](https://issues.apache.org/jira/browse/HDFS-4426) | Secondary namenode shuts down immediately after startup |  Blocker | namenode | Jason Lowe | Arpit Agarwal |
+| [YARN-354](https://issues.apache.org/jira/browse/YARN-354) | WebAppProxyServer exits immediately after startup |  Blocker | . | Liang Xie | Liang Xie |
+| [HADOOP-9242](https://issues.apache.org/jira/browse/HADOOP-9242) | Duplicate surefire plugin config in hadoop-common |  Major | test | Andrey Klochkov | Andrey Klochkov |
+| [HADOOP-9255](https://issues.apache.org/jira/browse/HADOOP-9255) | relnotes.py missing last jira |  Critical | scripts | Thomas Graves | Thomas Graves |
+
+
+### TESTS:
+
+| JIRA | Summary | Priority | Component | Reporter | Contributor |
+|:---- |:---- | :--- |:---- |:---- |:---- |
+| [HADOOP-9038](https://issues.apache.org/jira/browse/HADOOP-9038) | provide unit-test coverage of class org.apache.hadoop.fs.LocalDirAllocator.AllocatorPerContext.PathIterator |  Minor | . | Ivan A. Veselovsky | Ivan A. Veselovsky |
+| [HADOOP-9217](https://issues.apache.org/jira/browse/HADOOP-9217) | Print thread dumps when hadoop-common tests fail |  Major | test | Andrey Klochkov | Andrey Klochkov |
+
+
+### SUB-TASKS:
+
+| JIRA | Summary | Priority | Component | Reporter | Contributor |
+|:---- |:---- | :--- |:---- |:---- |:---- |
+| [HADOOP-9020](https://issues.apache.org/jira/browse/HADOOP-9020) | Add a SASL PLAIN server |  Major | ipc, security | Daryn Sharp | Daryn Sharp |
+| [YARN-204](https://issues.apache.org/jira/browse/YARN-204) | test coverage for org.apache.hadoop.tools |  Major | applications | Aleksey Gorshkov | Aleksey Gorshkov |
+| [HDFS-4247](https://issues.apache.org/jira/browse/HDFS-4247) | saveNamespace should be tolerant of dangling lease |  Blocker | namenode | Daryn Sharp | Daryn Sharp |
+| [HDFS-4248](https://issues.apache.org/jira/browse/HDFS-4248) | Renames may remove file leases |  Blocker | namenode | Daryn Sharp | Daryn Sharp |
+| [YARN-280](https://issues.apache.org/jira/browse/YARN-280) | RM does not reject app submission with invalid tokens |  Major | resourcemanager | Daryn Sharp | Daryn Sharp |
+| [YARN-50](https://issues.apache.org/jira/browse/YARN-50) | Implement renewal / cancellation of Delegation Tokens |  Blocker | . | Siddharth Seth | Siddharth Seth |
+
+
+### OTHER:
+
+| JIRA | Summary | Priority | Component | Reporter | Contributor |
+|:---- |:---- | :--- |:---- |:---- |:---- |
+| [HADOOP-8427](https://issues.apache.org/jira/browse/HADOOP-8427) | Convert Forrest docs to APT, incremental |  Major | documentation | Eli Collins | Andy Isaacson |
+
+

http://git-wip-us.apache.org/repos/asf/hadoop/blob/4b8c2b1c/hadoop-common-project/hadoop-common/src/site/markdown/release/0.23.6/CHANGES.0.23.6.md
----------------------------------------------------------------------
diff --git a/hadoop-common-project/hadoop-common/src/site/markdown/release/0.23.6/CHANGES.0.23.6.md b/hadoop-common-project/hadoop-common/src/site/markdown/release/0.23.6/CHANGES.0.23.6.md
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--- a/hadoop-common-project/hadoop-common/src/site/markdown/release/0.23.6/CHANGES.0.23.6.md
+++ /dev/null
@@ -1,127 +0,0 @@
-
-<!---
-# Licensed to the Apache Software Foundation (ASF) under one
-# or more contributor license agreements.  See the NOTICE file
-# distributed with this work for additional information
-# regarding copyright ownership.  The ASF licenses this file
-# to you under the Apache License, Version 2.0 (the
-# "License"); you may not use this file except in compliance
-# with the License.  You may obtain a copy of the License at
-#
-#     http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
--->
-# Apache Hadoop Changelog
-
-## Release 0.23.6 - 2013-02-06
-
-
-
-### IMPROVEMENTS:
-
-| JIRA | Summary | Priority | Component | Reporter | Contributor |
-|:---- |:---- | :--- |:---- |:---- |:---- |
-| [YARN-80](https://issues.apache.org/jira/browse/YARN-80) | Support delay scheduling for node locality in MR2's capacity scheduler |  Major | capacityscheduler | Todd Lipcon | Arun C Murthy |
-| [HADOOP-8931](https://issues.apache.org/jira/browse/HADOOP-8931) | Add Java version to startup message |  Trivial | . | Eli Collins | Eli Collins |
-| [MAPREDUCE-4811](https://issues.apache.org/jira/browse/MAPREDUCE-4811) | JobHistoryServer should show when it was started in WebUI About page |  Minor | jobhistoryserver, mrv2 | Ravi Prakash | Ravi Prakash |
-| [MAPREDUCE-4764](https://issues.apache.org/jira/browse/MAPREDUCE-4764) | repair test org.apache.hadoop.mapreduce.security.TestBinaryTokenFile |  Major | . | Ivan A. Veselovsky |  |
-| [HADOOP-8992](https://issues.apache.org/jira/browse/HADOOP-8992) | Enhance unit-test coverage of class HarFileSystem |  Minor | . | Ivan A. Veselovsky | Ivan A. Veselovsky |
-| [HADOOP-8561](https://issues.apache.org/jira/browse/HADOOP-8561) | Introduce HADOOP\_PROXY\_USER for secure impersonation in child hadoop client processes |  Major | security | Luke Lu | Yu Gao |
-| [MAPREDUCE-4845](https://issues.apache.org/jira/browse/MAPREDUCE-4845) | ClusterStatus.getMaxMemory() and getUsedMemory() exist in MR1 but not MR2 |  Major | client | Sandy Ryza | Sandy Ryza |
-| [YARN-285](https://issues.apache.org/jira/browse/YARN-285) | RM should be able to provide a tracking link for apps that have already been purged |  Major | . | Derek Dagit | Derek Dagit |
-| [MAPREDUCE-4899](https://issues.apache.org/jira/browse/MAPREDUCE-4899) | Provide a plugin to the Yarn Web App Proxy to generate tracking links for M/R appllications given the ID |  Major | . | Derek Dagit | Derek Dagit |
-| [MAPREDUCE-4810](https://issues.apache.org/jira/browse/MAPREDUCE-4810) | Add admin command options for ApplicationMaster |  Minor | applicationmaster | Jason Lowe | Jerry Chen |
-
-
-### BUG FIXES:
-
-| JIRA | Summary | Priority | Component | Reporter | Contributor |
-|:---- |:---- | :--- |:---- |:---- |:---- |
-| [HADOOP-7868](https://issues.apache.org/jira/browse/HADOOP-7868) | Hadoop native fails to compile when default linker option is -Wl,--as-needed |  Major | native | James Page | Trevor Robinson |
-| [HDFS-2757](https://issues.apache.org/jira/browse/HDFS-2757) | Cannot read a local block that's being written to when using the local read short circuit |  Major | . | Jean-Daniel Cryans | Jean-Daniel Cryans |
-| [HDFS-4186](https://issues.apache.org/jira/browse/HDFS-4186) | logSync() is called with the write lock held while releasing lease |  Critical | namenode | Kihwal Lee | Kihwal Lee |
-| [HADOOP-9072](https://issues.apache.org/jira/browse/HADOOP-9072) | Hadoop-Common-0.23-Build Fails to build in Jenkins |  Major | . | Robert Parker | Robert Parker |
-| [MAPREDUCE-4825](https://issues.apache.org/jira/browse/MAPREDUCE-4825) | JobImpl.finished doesn't expect ERROR as a final job state |  Major | mr-am | Jason Lowe | Jason Lowe |
-| [MAPREDUCE-4817](https://issues.apache.org/jira/browse/MAPREDUCE-4817) | Hardcoded task ping timeout kills tasks localizing large amounts of data |  Critical | applicationmaster, mr-am | Jason Lowe | Thomas Graves |
-| [HDFS-4242](https://issues.apache.org/jira/browse/HDFS-4242) | Map.Entry is incorrectly used in LeaseManager |  Major | namenode | Tsz Wo Nicholas Sze | Tsz Wo Nicholas Sze |
-| [HADOOP-9108](https://issues.apache.org/jira/browse/HADOOP-9108) | Add a method to clear terminateCalled to ExitUtil for test cases |  Major | util | Kihwal Lee | Kihwal Lee |
-| [HDFS-4233](https://issues.apache.org/jira/browse/HDFS-4233) | NN keeps serving even after no journals started while rolling edit |  Blocker | namenode | Kihwal Lee | Kihwal Lee |
-| [YARN-251](https://issues.apache.org/jira/browse/YARN-251) | Proxy URI generation fails for blank tracking URIs |  Major | resourcemanager | Tom White | Tom White |
-| [MAPREDUCE-4836](https://issues.apache.org/jira/browse/MAPREDUCE-4836) | Elapsed time for running tasks on AM web UI tasks page is 0 |  Major | . | Ravi Prakash | Ravi Prakash |
-| [HDFS-4254](https://issues.apache.org/jira/browse/HDFS-4254) | testAllEditsDirsFailOnFlush makes subsequent test cases fail (0.23.6 only) |  Major | test | Kihwal Lee | Kihwal Lee |
-| [YARN-72](https://issues.apache.org/jira/browse/YARN-72) | NM should handle cleaning up containers when it shuts down |  Major | nodemanager | Hitesh Shah | Sandy Ryza |
-| [YARN-258](https://issues.apache.org/jira/browse/YARN-258) | RM web page UI shows Invalid Date for start and finish times |  Major | resourcemanager | Ravi Prakash | Ravi Prakash |
-| [YARN-266](https://issues.apache.org/jira/browse/YARN-266) | RM and JHS Web UIs are blank because AppsBlock is not escaping string properly |  Critical | resourcemanager | Ravi Prakash | Ravi Prakash |
-| [MAPREDUCE-4861](https://issues.apache.org/jira/browse/MAPREDUCE-4861) | Cleanup: Remove unused mapreduce.security.token.DelegationTokenRenewal |  Major | . | Karthik Kambatla | Karthik Kambatla |
-| [MAPREDUCE-4856](https://issues.apache.org/jira/browse/MAPREDUCE-4856) | TestJobOutputCommitter uses same directory as TestJobCleanup |  Major | test | Sandy Ryza | Sandy Ryza |
-| [HADOOP-9135](https://issues.apache.org/jira/browse/HADOOP-9135) | JniBasedUnixGroupsMappingWithFallback should log at debug rather than info during fallback |  Trivial | security | Colin P. McCabe | Colin P. McCabe |
-| [HDFS-4315](https://issues.apache.org/jira/browse/HDFS-4315) | DNs with multiple BPs can have BPOfferServices fail to start due to unsynchronized map access |  Major | datanode | Aaron T. Myers | Aaron T. Myers |
-| [HDFS-4232](https://issues.apache.org/jira/browse/HDFS-4232) | NN fails to write a fsimage with stale leases |  Blocker | namenode | Daryn Sharp | Daryn Sharp |
-| [HADOOP-9152](https://issues.apache.org/jira/browse/HADOOP-9152) | HDFS can report negative DFS Used on clusters with very small amounts of data |  Minor | fs | Brock Noland | Brock Noland |
-| [YARN-223](https://issues.apache.org/jira/browse/YARN-223) | Change processTree interface to work better with native code |  Critical | . | Radim Kolar | Radim Kolar |
-| [MAPREDUCE-4895](https://issues.apache.org/jira/browse/MAPREDUCE-4895) | Fix compilation failure of org.apache.hadoop.mapred.gridmix.TestResourceUsageEmulators |  Major | . | Dennis Y | Dennis Y |
-| [HADOOP-9105](https://issues.apache.org/jira/browse/HADOOP-9105) | FsShell -moveFromLocal erroneously fails |  Major | fs | Daryn Sharp | Daryn Sharp |
-| [MAPREDUCE-4842](https://issues.apache.org/jira/browse/MAPREDUCE-4842) | Shuffle race can hang reducer |  Blocker | mrv2 | Jason Lowe | Mariappan Asokan |
-| [MAPREDUCE-4833](https://issues.apache.org/jira/browse/MAPREDUCE-4833) | Task can get stuck in FAIL\_CONTAINER\_CLEANUP |  Critical | applicationmaster, mrv2 | Robert Joseph Evans | Robert Parker |
-| [MAPREDUCE-4890](https://issues.apache.org/jira/browse/MAPREDUCE-4890) | Invalid TaskImpl state transitions when task fails while speculating |  Critical | mr-am | Jason Lowe | Jason Lowe |
-| [HADOOP-9169](https://issues.apache.org/jira/browse/HADOOP-9169) | Bring branch-0.23 ExitUtil up to same level as branch-2 |  Major | . | Robert Joseph Evans | Robert Joseph Evans |
-| [MAPREDUCE-4902](https://issues.apache.org/jira/browse/MAPREDUCE-4902) | Fix typo "receievd" should be "received" in log output |  Trivial | . | Albert Chu | Albert Chu |
-| [YARN-225](https://issues.apache.org/jira/browse/YARN-225) | Proxy Link in RM UI thows NPE in Secure mode |  Critical | resourcemanager | Devaraj K | Devaraj K |
-| [MAPREDUCE-4813](https://issues.apache.org/jira/browse/MAPREDUCE-4813) | AM timing out during job commit |  Critical | applicationmaster | Jason Lowe | Jason Lowe |
-| [YARN-293](https://issues.apache.org/jira/browse/YARN-293) | Node Manager leaks LocalizerRunner object for every Container |  Critical | nodemanager | Devaraj K | Robert Joseph Evans |
-| [MAPREDUCE-4279](https://issues.apache.org/jira/browse/MAPREDUCE-4279) | getClusterStatus() fails with null pointer exception when running jobs in local mode |  Major | jobtracker | Rahul Jain | Devaraj K |
-| [HDFS-4270](https://issues.apache.org/jira/browse/HDFS-4270) | Replications of the highest priority should be allowed to choose a source datanode that has reached its max replication limit |  Minor | namenode | Derek Dagit | Derek Dagit |
-| [MAPREDUCE-4832](https://issues.apache.org/jira/browse/MAPREDUCE-4832) | MR AM can get in a split brain situation |  Critical | applicationmaster | Robert Joseph Evans | Jason Lowe |
-| [MAPREDUCE-4894](https://issues.apache.org/jira/browse/MAPREDUCE-4894) | Renewal / cancellation of JobHistory tokens |  Blocker | jobhistoryserver, mrv2 | Siddharth Seth | Siddharth Seth |
-| [MAPREDUCE-4819](https://issues.apache.org/jira/browse/MAPREDUCE-4819) | AM can rerun job after reporting final job status to the client |  Blocker | mr-am | Jason Lowe | Bikas Saha |
-| [MAPREDUCE-4913](https://issues.apache.org/jira/browse/MAPREDUCE-4913) | TestMRAppMaster#testMRAppMasterMissingStaging occasionally exits |  Major | mr-am | Jason Lowe | Jason Lowe |
-| [YARN-170](https://issues.apache.org/jira/browse/YARN-170) | NodeManager stop() gets called twice on shutdown |  Major | nodemanager | Sandy Ryza | Sandy Ryza |
-| [HADOOP-9181](https://issues.apache.org/jira/browse/HADOOP-9181) | Set daemon flag for HttpServer's QueuedThreadPool |  Major | . | Liang Xie | Liang Xie |
-| [YARN-320](https://issues.apache.org/jira/browse/YARN-320) | RM should always be able to renew its own tokens |  Blocker | resourcemanager | Daryn Sharp | Daryn Sharp |
-| [YARN-325](https://issues.apache.org/jira/browse/YARN-325) | RM CapacityScheduler can deadlock when getQueueInfo() is called and a container is completing |  Blocker | capacityscheduler | Jason Lowe | Arun C Murthy |
-| [MAPREDUCE-4848](https://issues.apache.org/jira/browse/MAPREDUCE-4848) | TaskAttemptContext cast error during AM recovery |  Major | mr-am | Jason Lowe | Jerry Chen |
-| [HADOOP-9097](https://issues.apache.org/jira/browse/HADOOP-9097) | Maven RAT plugin is not checking all source files |  Critical | build | Tom White | Thomas Graves |
-| [HDFS-4385](https://issues.apache.org/jira/browse/HDFS-4385) | Maven RAT plugin is not checking all source files |  Critical | build | Thomas Graves | Thomas Graves |
-| [MAPREDUCE-4934](https://issues.apache.org/jira/browse/MAPREDUCE-4934) | Maven RAT plugin is not checking all source files |  Critical | build | Thomas Graves | Thomas Graves |
-| [YARN-334](https://issues.apache.org/jira/browse/YARN-334) | Maven RAT plugin is not checking all source files |  Critical | . | Thomas Graves | Thomas Graves |
-| [MAPREDUCE-4678](https://issues.apache.org/jira/browse/MAPREDUCE-4678) | Running the Pentomino example with defaults throws java.lang.NegativeArraySizeException |  Minor | examples | Chris McConnell | Chris McConnell |
-| [MAPREDUCE-4925](https://issues.apache.org/jira/browse/MAPREDUCE-4925) | The pentomino option parser may be buggy |  Major | examples | Karthik Kambatla | Karthik Kambatla |
-| [MAPREDUCE-4921](https://issues.apache.org/jira/browse/MAPREDUCE-4921) | JobClient should acquire HS token with RM principal |  Blocker | client | Daryn Sharp | Daryn Sharp |
-| [HDFS-4426](https://issues.apache.org/jira/browse/HDFS-4426) | Secondary namenode shuts down immediately after startup |  Blocker | namenode | Jason Lowe | Arpit Agarwal |
-| [YARN-354](https://issues.apache.org/jira/browse/YARN-354) | WebAppProxyServer exits immediately after startup |  Blocker | . | Liang Xie | Liang Xie |
-| [HADOOP-9242](https://issues.apache.org/jira/browse/HADOOP-9242) | Duplicate surefire plugin config in hadoop-common |  Major | test | Andrey Klochkov | Andrey Klochkov |
-| [HADOOP-9255](https://issues.apache.org/jira/browse/HADOOP-9255) | relnotes.py missing last jira |  Critical | scripts | Thomas Graves | Thomas Graves |
-
-
-### TESTS:
-
-| JIRA | Summary | Priority | Component | Reporter | Contributor |
-|:---- |:---- | :--- |:---- |:---- |:---- |
-| [HADOOP-9038](https://issues.apache.org/jira/browse/HADOOP-9038) | provide unit-test coverage of class org.apache.hadoop.fs.LocalDirAllocator.AllocatorPerContext.PathIterator |  Minor | . | Ivan A. Veselovsky | Ivan A. Veselovsky |
-| [HADOOP-9217](https://issues.apache.org/jira/browse/HADOOP-9217) | Print thread dumps when hadoop-common tests fail |  Major | test | Andrey Klochkov | Andrey Klochkov |
-
-
-### SUB-TASKS:
-
-| JIRA | Summary | Priority | Component | Reporter | Contributor |
-|:---- |:---- | :--- |:---- |:---- |:---- |
-| [HADOOP-9020](https://issues.apache.org/jira/browse/HADOOP-9020) | Add a SASL PLAIN server |  Major | ipc, security | Daryn Sharp | Daryn Sharp |
-| [YARN-204](https://issues.apache.org/jira/browse/YARN-204) | test coverage for org.apache.hadoop.tools |  Major | applications | Aleksey Gorshkov | Aleksey Gorshkov |
-| [HDFS-4247](https://issues.apache.org/jira/browse/HDFS-4247) | saveNamespace should be tolerant of dangling lease |  Blocker | namenode | Daryn Sharp | Daryn Sharp |
-| [HDFS-4248](https://issues.apache.org/jira/browse/HDFS-4248) | Renames may remove file leases |  Blocker | namenode | Daryn Sharp | Daryn Sharp |
-| [YARN-280](https://issues.apache.org/jira/browse/YARN-280) | RM does not reject app submission with invalid tokens |  Major | resourcemanager | Daryn Sharp | Daryn Sharp |
-| [YARN-50](https://issues.apache.org/jira/browse/YARN-50) | Implement renewal / cancellation of Delegation Tokens |  Blocker | . | Siddharth Seth | Siddharth Seth |
-
-
-### OTHER:
-
-| JIRA | Summary | Priority | Component | Reporter | Contributor |
-|:---- |:---- | :--- |:---- |:---- |:---- |
-| [HADOOP-8427](https://issues.apache.org/jira/browse/HADOOP-8427) | Convert Forrest docs to APT, incremental |  Major | documentation | Eli Collins | Andy Isaacson |
-
-

http://git-wip-us.apache.org/repos/asf/hadoop/blob/4b8c2b1c/hadoop-common-project/hadoop-common/src/site/markdown/release/0.23.7/CHANGELOG.0.23.7.md
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+
+<!---
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements.  See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership.  The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License.  You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+-->
+# Apache Hadoop Changelog
+
+## Release 0.23.7 - 2013-04-18
+
+### INCOMPATIBLE CHANGES:
+
+| JIRA | Summary | Priority | Component | Reporter | Contributor |
+|:---- |:---- | :--- |:---- |:---- |:---- |
+| [HDFS-395](https://issues.apache.org/jira/browse/HDFS-395) | DFS Scalability: Incremental block reports |  Major | datanode, namenode | dhruba borthakur | Tomasz Nykiel |
+
+
+### NEW FEATURES:
+
+| JIRA | Summary | Priority | Component | Reporter | Contributor |
+|:---- |:---- | :--- |:---- |:---- |:---- |
+| [HADOOP-9209](https://issues.apache.org/jira/browse/HADOOP-9209) | Add shell command to dump file checksums |  Major | fs, tools | Todd Lipcon | Todd Lipcon |
+
+
+### IMPROVEMENTS:
+
+| JIRA | Summary | Priority | Component | Reporter | Contributor |
+|:---- |:---- | :--- |:---- |:---- |:---- |
+| [HADOOP-7358](https://issues.apache.org/jira/browse/HADOOP-7358) | Improve log levels when exceptions caught in RPC handler |  Minor | ipc | Todd Lipcon | Todd Lipcon |
+| [HADOOP-7886](https://issues.apache.org/jira/browse/HADOOP-7886) | Add toString to FileStatus |  Minor | . | Jakob Homan | SreeHari |
+| [HADOOP-8214](https://issues.apache.org/jira/browse/HADOOP-8214) | make hadoop script recognize a full set of deprecated commands |  Major | scripts | Roman Shaposhnik | Roman Shaposhnik |
+| [HADOOP-8711](https://issues.apache.org/jira/browse/HADOOP-8711) | provide an option for IPC server users to avoid printing stack information for certain exceptions |  Major | ipc | Brandon Li | Brandon Li |
+| [HDFS-3817](https://issues.apache.org/jira/browse/HDFS-3817) | avoid printing stack information for SafeModeException |  Major | namenode | Brandon Li | Brandon Li |
+| [HADOOP-8075](https://issues.apache.org/jira/browse/HADOOP-8075) | Lower native-hadoop library log from info to debug |  Major | native | Eli Collins | Hızır Sefa İrken |
+| [HADOOP-9147](https://issues.apache.org/jira/browse/HADOOP-9147) | Add missing fields to FIleStatus.toString |  Trivial | . | Jonathan Allen | Jonathan Allen |
+| [MAPREDUCE-4907](https://issues.apache.org/jira/browse/MAPREDUCE-4907) | TrackerDistributedCacheManager issues too many getFileStatus calls |  Major | mrv1, tasktracker | Sandy Ryza | Sandy Ryza |
+| [HADOOP-9216](https://issues.apache.org/jira/browse/HADOOP-9216) | CompressionCodecFactory#getCodecClasses should trim the result of parsing by Configuration. |  Major | io | Tsuyoshi Ozawa | Tsuyoshi Ozawa |
+| [HADOOP-8849](https://issues.apache.org/jira/browse/HADOOP-8849) | FileUtil#fullyDelete should grant the target directories +rwx permissions before trying to delete them |  Minor | . | Ivan A. Veselovsky | Ivan A. Veselovsky |
+| [MAPREDUCE-4458](https://issues.apache.org/jira/browse/MAPREDUCE-4458) | Warn if java.library.path is used for AM or Task |  Major | mrv2 | Robert Joseph Evans | Robert Parker |
+| [MAPREDUCE-4949](https://issues.apache.org/jira/browse/MAPREDUCE-4949) | Enable multiple pi jobs to run in parallel |  Minor | examples | Sandy Ryza | Sandy Ryza |
+| [HADOOP-9247](https://issues.apache.org/jira/browse/HADOOP-9247) | parametrize Clover "generateXxx" properties to make them re-definable via -D in mvn calls |  Minor | . | Ivan A. Veselovsky | Ivan A. Veselovsky |
+| [MAPREDUCE-4822](https://issues.apache.org/jira/browse/MAPREDUCE-4822) | Unnecessary conversions in History Events |  Trivial | jobhistoryserver | Robert Joseph Evans | Chu Tong |
+| [MAPREDUCE-4989](https://issues.apache.org/jira/browse/MAPREDUCE-4989) | JSONify DataTables input data for Attempts page |  Major | jobhistoryserver, mr-am | Ravi Prakash | Ravi Prakash |
+| [YARN-249](https://issues.apache.org/jira/browse/YARN-249) | Capacity Scheduler web page should show list of active users per queue like it used to (in 1.x) |  Major | capacityscheduler | Ravi Prakash | Ravi Prakash |
+| [HADOOP-9336](https://issues.apache.org/jira/browse/HADOOP-9336) | Allow UGI of current connection to be queried |  Critical | ipc | Daryn Sharp | Daryn Sharp |
+| [HADOOP-9352](https://issues.apache.org/jira/browse/HADOOP-9352) | Expose UGI.setLoginUser for tests |  Major | security | Daryn Sharp | Daryn Sharp |
+| [HADOOP-8462](https://issues.apache.org/jira/browse/HADOOP-8462) | Native-code implementation of bzip2 codec |  Major | io | Govind Kamat | Govind Kamat |
+| [HADOOP-9374](https://issues.apache.org/jira/browse/HADOOP-9374) | Add tokens from -tokenCacheFile into UGI |  Major | security | Daryn Sharp | Daryn Sharp |
+| [YARN-443](https://issues.apache.org/jira/browse/YARN-443) | allow OS scheduling priority of NM to be different than the containers it launches |  Major | nodemanager | Thomas Graves | Thomas Graves |
+| [HADOOP-9379](https://issues.apache.org/jira/browse/HADOOP-9379) | capture the ulimit info after printing the log to the console |  Trivial | . | Arpit Gupta | Arpit Gupta |
+| [MAPREDUCE-4990](https://issues.apache.org/jira/browse/MAPREDUCE-4990) | Construct debug strings conditionally in ShuffleHandler.Shuffle#sendMapOutput() |  Trivial | . | Karthik Kambatla | Karthik Kambatla |
+| [HADOOP-9253](https://issues.apache.org/jira/browse/HADOOP-9253) | Capture ulimit info in the logs at service start time |  Major | . | Arpit Gupta | Arpit Gupta |
+| [YARN-525](https://issues.apache.org/jira/browse/YARN-525) | make CS node-locality-delay refreshable |  Major | capacityscheduler | Thomas Graves | Thomas Graves |
+| [MAPREDUCE-5079](https://issues.apache.org/jira/browse/MAPREDUCE-5079) | Recovery should restore task state from job history info directly |  Critical | mr-am | Jason Lowe | Jason Lowe |
+
+
+### BUG FIXES:
+
+| JIRA | Summary | Priority | Component | Reporter | Contributor |
+|:---- |:---- | :--- |:---- |:---- |:---- |
+| [MAPREDUCE-3952](https://issues.apache.org/jira/browse/MAPREDUCE-3952) | In MR2, when Total input paths to process == 1, CombinefileInputFormat.getSplits() returns 0 split. |  Major | mrv2 | Zhenxiao Luo | Bhallamudi Venkata Siva Kamesh |
+| [HDFS-1765](https://issues.apache.org/jira/browse/HDFS-1765) | Block Replication should respect under-replication block priority |  Major | namenode | Hairong Kuang | Uma Maheswara Rao G |
+| [MAPREDUCE-4007](https://issues.apache.org/jira/browse/MAPREDUCE-4007) | JobClient getJob(JobID) should return NULL if the job does not exist (for backwards compatibility) |  Major | mrv2 | Alejandro Abdelnur | Alejandro Abdelnur |
+| [HADOOP-6941](https://issues.apache.org/jira/browse/HADOOP-6941) | Support non-SUN JREs in UserGroupInformation |  Major | . | Stephen Watt | Devaraj Das |
+| [HADOOP-8251](https://issues.apache.org/jira/browse/HADOOP-8251) | SecurityUtil.fetchServiceTicket broken after HADOOP-6941 |  Blocker | security | Todd Lipcon | Todd Lipcon |
+| [HDFS-3119](https://issues.apache.org/jira/browse/HDFS-3119) | Overreplicated block is not deleted even after the replication factor is reduced after sync follwed by closing that file |  Minor | namenode | J.Andreina | Ashish Singhi |
+| [HDFS-3256](https://issues.apache.org/jira/browse/HDFS-3256) | HDFS considers blocks under-replicated if topology script is configured with only 1 rack |  Major | . | Aaron T. Myers | Aaron T. Myers |
+| [HADOOP-8346](https://issues.apache.org/jira/browse/HADOOP-8346) | Changes to support Kerberos with non Sun JVM (HADOOP-6941) broke SPNEGO |  Blocker | security | Alejandro Abdelnur | Devaraj Das |
+| [MAPREDUCE-4470](https://issues.apache.org/jira/browse/MAPREDUCE-4470) | Fix TestCombineFileInputFormat.testForEmptyFile |  Major | test | Kihwal Lee | Ilya Katsov |
+| [YARN-83](https://issues.apache.org/jira/browse/YARN-83) | Change package of YarnClient to include apache |  Major | client | Bikas Saha | Bikas Saha |
+| [YARN-40](https://issues.apache.org/jira/browse/YARN-40) | Provide support for missing yarn commands |  Major | client | Devaraj K | Devaraj K |
+| [YARN-150](https://issues.apache.org/jira/browse/YARN-150) | AppRejectedTransition does not unregister app from master service and scheduler |  Major | . | Bikas Saha | Bikas Saha |
+| [HADOOP-8878](https://issues.apache.org/jira/browse/HADOOP-8878) | uppercase namenode hostname causes hadoop dfs calls with webhdfs filesystem and fsck to fail when security is on |  Major | . | Arpit Gupta | Arpit Gupta |
+| [HDFS-4072](https://issues.apache.org/jira/browse/HDFS-4072) | On file deletion remove corresponding blocks pending replication |  Minor | namenode | Jing Zhao | Jing Zhao |
+| [HDFS-2434](https://issues.apache.org/jira/browse/HDFS-2434) | TestNameNodeMetrics.testCorruptBlock fails intermittently |  Major | test | Uma Maheswara Rao G | Jing Zhao |
+| [MAPREDUCE-4637](https://issues.apache.org/jira/browse/MAPREDUCE-4637) | Killing an unassigned task attempt causes the job to fail |  Major | mrv2 | Tom White | Mayank Bansal |
+| [MAPREDUCE-4278](https://issues.apache.org/jira/browse/MAPREDUCE-4278) | cannot run two local jobs in parallel from the same gateway. |  Major | . | Araceli Henley | Sandy Ryza |
+| [HADOOP-9155](https://issues.apache.org/jira/browse/HADOOP-9155) | FsPermission should have different default value, 777 for directory and 666 for file |  Minor | . | Binglin Chang | Binglin Chang |
+| [HADOOP-8816](https://issues.apache.org/jira/browse/HADOOP-8816) | HTTP Error 413 full HEAD if using kerberos authentication |  Major | net | Moritz Moeller | Moritz Moeller |
+| [HADOOP-9212](https://issues.apache.org/jira/browse/HADOOP-9212) | Potential deadlock in FileSystem.Cache/IPC/UGI |  Major | fs | Tom White | Tom White |
+| [HADOOP-9193](https://issues.apache.org/jira/browse/HADOOP-9193) | hadoop script can inadvertently expand wildcard arguments when delegating to hdfs script |  Minor | scripts | Jason Lowe | Andy Isaacson |
+| [MAPREDUCE-4946](https://issues.apache.org/jira/browse/MAPREDUCE-4946) | Type conversion of map completion events leads to performance problems with large jobs |  Critical | mr-am | Jason Lowe | Jason Lowe |
+| [HADOOP-9231](https://issues.apache.org/jira/browse/HADOOP-9231) | Parametrize staging URL for the uniformity of distributionManagement |  Major | build | Konstantin Boudnik | Konstantin Boudnik |
+| [HDFS-4426](https://issues.apache.org/jira/browse/HDFS-4426) | Secondary namenode shuts down immediately after startup |  Blocker | namenode | Jason Lowe | Arpit Agarwal |
+| [YARN-354](https://issues.apache.org/jira/browse/YARN-354) | WebAppProxyServer exits immediately after startup |  Blocker | . | Liang Xie | Liang Xie |
+| [HADOOP-8857](https://issues.apache.org/jira/browse/HADOOP-8857) | hadoop.http.authentication.signature.secret.file docs should not state that secret is randomly generated |  Minor | security | Eli Collins | Alejandro Abdelnur |
+| [HDFS-4444](https://issues.apache.org/jira/browse/HDFS-4444) | Add space between total transaction time and number of transactions in FSEditLog#printStatistics |  Trivial | . | Stephen Chu | Stephen Chu |
+| [YARN-133](https://issues.apache.org/jira/browse/YARN-133) | update web services docs for RM clusterMetrics |  Major | resourcemanager | Thomas Graves | Ravi Prakash |
+| [HADOOP-9190](https://issues.apache.org/jira/browse/HADOOP-9190) | packaging docs is broken |  Major | documentation | Thomas Graves | Andy Isaacson |
+| [HDFS-4288](https://issues.apache.org/jira/browse/HDFS-4288) | NN accepts incremental BR as IBR in safemode |  Critical | namenode | Daryn Sharp | Daryn Sharp |
+| [HADOOP-9221](https://issues.apache.org/jira/browse/HADOOP-9221) | Convert remaining xdocs to APT |  Major | . | Andy Isaacson | Andy Isaacson |
+| [YARN-343](https://issues.apache.org/jira/browse/YARN-343) | Capacity Scheduler maximum-capacity value -1 is invalid |  Major | capacityscheduler | Thomas Graves | Xuan Gong |
+| [MAPREDUCE-4893](https://issues.apache.org/jira/browse/MAPREDUCE-4893) | MR AppMaster can do sub-optimal assignment of containers to map tasks leading to poor node locality |  Major | applicationmaster | Bikas Saha | Bikas Saha |
+| [MAPREDUCE-4969](https://issues.apache.org/jira/browse/MAPREDUCE-4969) | TestKeyValueTextInputFormat test fails with Open JDK 7 |  Major | test | Arpit Agarwal | Arpit Agarwal |
+| [YARN-364](https://issues.apache.org/jira/browse/YARN-364) | AggregatedLogDeletionService can take too long to delete logs |  Major | . | Jason Lowe | Jason Lowe |
+| [HDFS-4462](https://issues.apache.org/jira/browse/HDFS-4462) | 2NN will fail to checkpoint after an HDFS upgrade from a pre-federation version of HDFS |  Major | namenode | Aaron T. Myers | Aaron T. Myers |
+| [YARN-360](https://issues.apache.org/jira/browse/YARN-360) | Allow apps to concurrently register tokens for renewal |  Critical | . | Daryn Sharp | Daryn Sharp |
+| [MAPREDUCE-4953](https://issues.apache.org/jira/browse/MAPREDUCE-4953) | HadoopPipes misuses fprintf |  Major | pipes | Andy Isaacson | Andy Isaacson |
+| [HADOOP-9278](https://issues.apache.org/jira/browse/HADOOP-9278) | HarFileSystem may leak file handle |  Major | fs | Chris Nauroth | Chris Nauroth |
+| [YARN-357](https://issues.apache.org/jira/browse/YARN-357) | App submission should not be synchronized |  Major | resourcemanager | Daryn Sharp | Daryn Sharp |
+| [YARN-355](https://issues.apache.org/jira/browse/YARN-355) | RM app submission jams under load |  Blocker | resourcemanager | Daryn Sharp | Daryn Sharp |
+| [HADOOP-9289](https://issues.apache.org/jira/browse/HADOOP-9289) | FsShell rm -f fails for non-matching globs |  Blocker | fs | Daryn Sharp | Daryn Sharp |
+| [MAPREDUCE-4671](https://issues.apache.org/jira/browse/MAPREDUCE-4671) | AM does not tell the RM about container requests that are no longer needed |  Major | . | Bikas Saha | Bikas Saha |
+| [HADOOP-9124](https://issues.apache.org/jira/browse/HADOOP-9124) | SortedMapWritable violates contract of Map interface for equals() and hashCode() |  Minor | io | Patrick Hunt | Surenkumar Nihalani |
+| [YARN-362](https://issues.apache.org/jira/browse/YARN-362) | Unexpected extra results when using webUI table search |  Minor | . | Jason Lowe | Ravi Prakash |
+| [HADOOP-9302](https://issues.apache.org/jira/browse/HADOOP-9302) | HDFS docs not linked from top level |  Major | documentation | Thomas Graves | Andy Isaacson |
+| [HADOOP-9303](https://issues.apache.org/jira/browse/HADOOP-9303) | command manual dfsadmin missing entry for restoreFailedStorage option |  Major | . | Thomas Graves | Andy Isaacson |
+| [MAPREDUCE-5000](https://issues.apache.org/jira/browse/MAPREDUCE-5000) | TaskImpl.getCounters() can return the counters for the wrong task attempt when task is speculating |  Critical | mr-am | Jason Lowe | Jason Lowe |
+| [HDFS-4495](https://issues.apache.org/jira/browse/HDFS-4495) | Allow client-side lease renewal to be retried beyond soft-limit |  Major | hdfs-client | Kihwal Lee | Kihwal Lee |
+| [HADOOP-9154](https://issues.apache.org/jira/browse/HADOOP-9154) | SortedMapWritable#putAll() doesn't add key/value classes to the map |  Major | io | Karthik Kambatla | Karthik Kambatla |
+| [MAPREDUCE-5009](https://issues.apache.org/jira/browse/MAPREDUCE-5009) | Killing the Task Attempt slated for commit does not clear the value from the Task commitAttempt member |  Critical | mrv1 | Robert Parker | Robert Parker |
+| [YARN-400](https://issues.apache.org/jira/browse/YARN-400) | RM can return null application resource usage report leading to NPE in client |  Critical | resourcemanager | Jason Lowe | Jason Lowe |
+| [YARN-236](https://issues.apache.org/jira/browse/YARN-236) | RM should point tracking URL to RM web page when app fails to start |  Major | resourcemanager | Jason Lowe | Jason Lowe |
+| [HDFS-4222](https://issues.apache.org/jira/browse/HDFS-4222) | NN is unresponsive and loses heartbeats of DNs when Hadoop is configured to use LDAP and LDAP has issues |  Minor | namenode | Xiaobo Peng | Xiaobo Peng |
+| [YARN-426](https://issues.apache.org/jira/browse/YARN-426) | Failure to download a public resource on a node prevents further downloads of the resource from that node |  Critical | nodemanager | Jason Lowe | Jason Lowe |
+| [HADOOP-9339](https://issues.apache.org/jira/browse/HADOOP-9339) | IPC.Server incorrectly sets UGI auth type |  Major | ipc | Daryn Sharp | Daryn Sharp |
+| [MAPREDUCE-4871](https://issues.apache.org/jira/browse/MAPREDUCE-4871) | AM uses mapreduce.jobtracker.split.metainfo.maxsize but mapred-default has mapreduce.job.split.metainfo.maxsize |  Major | mrv2 | Jason Lowe | Jason Lowe |
+| [YARN-269](https://issues.apache.org/jira/browse/YARN-269) | Resource Manager not logging the health\_check\_script result when taking it out |  Major | resourcemanager | Thomas Graves | Jason Lowe |
+| [YARN-376](https://issues.apache.org/jira/browse/YARN-376) | Apps that have completed can appear as RUNNING on the NM UI |  Blocker | resourcemanager | Jason Lowe | Jason Lowe |
+| [YARN-410](https://issues.apache.org/jira/browse/YARN-410) | New lines in diagnostics for a failed app on the per-application page make it hard to read |  Major | . | Vinod Kumar Vavilapalli | Omkar Vinit Joshi |
+| [MAPREDUCE-4794](https://issues.apache.org/jira/browse/MAPREDUCE-4794) | DefaultSpeculator generates error messages on normal shutdown |  Major | applicationmaster | Jason Lowe | Jason Lowe |
+| [HDFS-4128](https://issues.apache.org/jira/browse/HDFS-4128) | 2NN gets stuck in inconsistent state if edit log replay fails in the middle |  Major | namenode | Todd Lipcon | Kihwal Lee |
+| [HDFS-4532](https://issues.apache.org/jira/browse/HDFS-4532) | RPC call queue may fill due to current user lookup |  Critical | namenode | Daryn Sharp | Daryn Sharp |
+| [YARN-448](https://issues.apache.org/jira/browse/YARN-448) | Remove unnecessary hflush from log aggregation |  Major | nodemanager | Kihwal Lee | Kihwal Lee |
+| [MAPREDUCE-5043](https://issues.apache.org/jira/browse/MAPREDUCE-5043) | Fetch failure processing can cause AM event queue to backup and eventually OOM |  Blocker | mr-am | Jason Lowe | Jason Lowe |
+| [YARN-345](https://issues.apache.org/jira/browse/YARN-345) | Many InvalidStateTransitonException errors for ApplicationImpl in Node Manager |  Critical | nodemanager | Devaraj K | Robert Parker |
+| [HDFS-4553](https://issues.apache.org/jira/browse/HDFS-4553) | Webhdfs will NPE on some unexpected response codes |  Major | webhdfs | Daryn Sharp | Daryn Sharp |
+| [YARN-227](https://issues.apache.org/jira/browse/YARN-227) | Application expiration difficult to debug for end-users |  Major | resourcemanager | Jason Lowe | Jason Lowe |
+| [MAPREDUCE-5027](https://issues.apache.org/jira/browse/MAPREDUCE-5027) | Shuffle does not limit number of outstanding connections |  Major | . | Jason Lowe | Robert Parker |
+| [MAPREDUCE-3685](https://issues.apache.org/jira/browse/MAPREDUCE-3685) | There are some bugs in implementation of MergeManager |  Critical | mrv2 | anty.rao | anty |
+| [HDFS-4544](https://issues.apache.org/jira/browse/HDFS-4544) | Error in deleting blocks should not do check disk, for all types of errors |  Major | . | Amareshwari Sriramadasu | Arpit Agarwal |
+| [MAPREDUCE-5023](https://issues.apache.org/jira/browse/MAPREDUCE-5023) | History Server Web Services missing Job Counters |  Critical | jobhistoryserver, webapps | Kendall Thrapp | Ravi Prakash |
+| [MAPREDUCE-5060](https://issues.apache.org/jira/browse/MAPREDUCE-5060) | Fetch failures that time out only count against the first map task |  Critical | . | Robert Joseph Evans | Robert Joseph Evans |
+| [HDFS-3344](https://issues.apache.org/jira/browse/HDFS-3344) | Unreliable corrupt blocks counting in TestProcessCorruptBlocks |  Major | namenode | Tsz Wo Nicholas Sze | Kihwal Lee |
+| [HADOOP-9406](https://issues.apache.org/jira/browse/HADOOP-9406) | hadoop-client leaks dependency on JDK tools jar |  Major | build | Alejandro Abdelnur | Alejandro Abdelnur |
+| [MAPREDUCE-5042](https://issues.apache.org/jira/browse/MAPREDUCE-5042) | Reducer unable to fetch for a map task that was recovered |  Blocker | mr-am, security | Jason Lowe | Jason Lowe |
+| [MAPREDUCE-5053](https://issues.apache.org/jira/browse/MAPREDUCE-5053) | java.lang.InternalError from decompression codec cause reducer to fail |  Major | . | Robert Parker | Robert Parker |
+| [MAPREDUCE-5075](https://issues.apache.org/jira/browse/MAPREDUCE-5075) | DistCp leaks input file handles |  Major | distcp | Chris Nauroth | Chris Nauroth |
+| [YARN-109](https://issues.apache.org/jira/browse/YARN-109) | .tmp file is not deleted for localized archives |  Major | nodemanager | Jason Lowe | Mayank Bansal |
+| [HDFS-4581](https://issues.apache.org/jira/browse/HDFS-4581) | DataNode#checkDiskError should not be called on network errors |  Major | datanode | Rohit Kochar | Rohit Kochar |
+| [YARN-460](https://issues.apache.org/jira/browse/YARN-460) | CS user left in list of active users for the queue even when application finished |  Blocker | capacityscheduler | Thomas Graves | Thomas Graves |
+| [MAPREDUCE-4992](https://issues.apache.org/jira/browse/MAPREDUCE-4992) | AM hangs in RecoveryService when recovering tasks with speculative attempts |  Critical | mr-am | Robert Parker | Robert Parker |
+| [HDFS-4649](https://issues.apache.org/jira/browse/HDFS-4649) | Webhdfs cannot list large directories |  Blocker | namenode, security, webhdfs | Daryn Sharp | Daryn Sharp |
+| [MAPREDUCE-5137](https://issues.apache.org/jira/browse/MAPREDUCE-5137) | AM web UI: clicking on Map Task results in 500 error |  Major | applicationmaster | Thomas Graves | Thomas Graves |
+
+
+### TESTS:
+
+| JIRA | Summary | Priority | Component | Reporter | Contributor |
+|:---- |:---- | :--- |:---- |:---- |:---- |
+| [HADOOP-8157](https://issues.apache.org/jira/browse/HADOOP-8157) | TestRPCCallBenchmark#testBenchmarkWithWritable fails with RTE |  Major | . | Eli Collins | Todd Lipcon |
+| [HADOOP-9067](https://issues.apache.org/jira/browse/HADOOP-9067) | provide test for method org.apache.hadoop.fs.LocalFileSystem.reportChecksumFailure(Path, FSDataInputStream, long, FSDataInputStream, long) |  Minor | . | Ivan A. Veselovsky | Ivan A. Veselovsky |
+| [MAPREDUCE-4905](https://issues.apache.org/jira/browse/MAPREDUCE-4905) | test org.apache.hadoop.mapred.pipes |  Major | . | Aleksey Gorshkov | Aleksey Gorshkov |
+| [MAPREDUCE-4972](https://issues.apache.org/jira/browse/MAPREDUCE-4972) | Coverage fixing for org.apache.hadoop.mapreduce.jobhistory |  Major | . | Aleksey Gorshkov | Aleksey Gorshkov |
+| [MAPREDUCE-4875](https://issues.apache.org/jira/browse/MAPREDUCE-4875) | coverage fixing for org.apache.hadoop.mapred |  Major | test | Aleksey Gorshkov | Aleksey Gorshkov |
+| [MAPREDUCE-4991](https://issues.apache.org/jira/browse/MAPREDUCE-4991) | coverage for gridmix |  Major | . | Aleksey Gorshkov | Aleksey Gorshkov |
+| [MAPREDUCE-5007](https://issues.apache.org/jira/browse/MAPREDUCE-5007) | fix coverage org.apache.hadoop.mapreduce.v2.hs |  Major | . | Aleksey Gorshkov | Aleksey Gorshkov |
+
+
+### SUB-TASKS:
+
+| JIRA | Summary | Priority | Component | Reporter | Contributor |
+|:---- |:---- | :--- |:---- |:---- |:---- |
+| [HDFS-2477](https://issues.apache.org/jira/browse/HDFS-2477) | Optimize computing the diff between a block report and the namenode state. |  Major | namenode | Tomasz Nykiel | Tomasz Nykiel |
+| [HDFS-2495](https://issues.apache.org/jira/browse/HDFS-2495) | Increase granularity of write operations in ReplicationMonitor thus reducing contention for write lock |  Major | namenode | Tomasz Nykiel | Tomasz Nykiel |
+| [HDFS-2476](https://issues.apache.org/jira/browse/HDFS-2476) | More CPU efficient data structure for under-replicated/over-replicated/invalidate blocks |  Major | namenode | Tomasz Nykiel | Tomasz Nykiel |
+| [YARN-29](https://issues.apache.org/jira/browse/YARN-29) | Add a yarn-client module |  Major | client | Vinod Kumar Vavilapalli | Vinod Kumar Vavilapalli |
+| [HDFS-4542](https://issues.apache.org/jira/browse/HDFS-4542) | Webhdfs doesn't support secure proxy users |  Blocker | webhdfs | Daryn Sharp | Daryn Sharp |
+| [HDFS-4560](https://issues.apache.org/jira/browse/HDFS-4560) | Webhdfs cannot use tokens obtained by another user |  Major | webhdfs | Daryn Sharp | Daryn Sharp |
+| [HDFS-4566](https://issues.apache.org/jira/browse/HDFS-4566) | Webdhfs token cancelation should use authentication |  Major | webhdfs | Daryn Sharp | Daryn Sharp |
+| [HDFS-4567](https://issues.apache.org/jira/browse/HDFS-4567) | Webhdfs does not need a token for token operations |  Major | webhdfs | Daryn Sharp | Daryn Sharp |
+| [HDFS-4577](https://issues.apache.org/jira/browse/HDFS-4577) | Webhdfs operations should declare if authentication is required |  Major | webhdfs | Daryn Sharp | Daryn Sharp |
+| [YARN-468](https://issues.apache.org/jira/browse/YARN-468) | coverage fix for org.apache.hadoop.yarn.server.webproxy.amfilter |  Major | . | Aleksey Gorshkov | Aleksey Gorshkov |
+| [YARN-200](https://issues.apache.org/jira/browse/YARN-200) | yarn log does not output all needed information, and is in a binary format |  Major | . | Robert Joseph Evans | Ravi Prakash |
+| [HDFS-4548](https://issues.apache.org/jira/browse/HDFS-4548) | Webhdfs doesn't renegotiate SPNEGO token |  Blocker | . | Daryn Sharp | Daryn Sharp |
+
+


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