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From w...@apache.org
Subject [33/49] hadoop git commit: HADOOP-11791. Update src/site/markdown/releases to include old versions of Hadoop (aw)
Date Thu, 10 Mar 2016 03:40:32 GMT
http://git-wip-us.apache.org/repos/asf/hadoop/blob/140a33df/hadoop-common-project/hadoop-common/src/site/markdown/release/0.20.205.0/CHANGES.0.20.205.0.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 0.20.205.0 - 2011-10-06
+
+### INCOMPATIBLE CHANGES:
+
+| JIRA | Summary | Priority | Component | Reporter | Contributor |
+|:---- |:---- | :--- |:---- |:---- |:---- |
+| [HDFS-2202](https://issues.apache.org/jira/browse/HDFS-2202) | Changes to balancer bandwidth
should not require datanode restart. |  Major | balancer & mover, datanode | Eric Payne
| Eric Payne |
+| [HDFS-1554](https://issues.apache.org/jira/browse/HDFS-1554) | Append 0.20: New semantics
for recoverLease |  Major | . | Hairong Kuang | Hairong Kuang |
+| [HDFS-630](https://issues.apache.org/jira/browse/HDFS-630) | In DFSOutputStream.nextBlockOutputStream(),
the client can exclude specific datanodes when locating the next block. |  Major | hdfs-client,
namenode | Ruyue Ma | Cosmin Lehene |
+
+
+### NEW FEATURES:
+
+| JIRA | Summary | Priority | Component | Reporter | Contributor |
+|:---- |:---- | :--- |:---- |:---- |:---- |
+| [HADOOP-7594](https://issues.apache.org/jira/browse/HADOOP-7594) | Support HTTP REST in
HttpServer |  Major | . | Tsz Wo Nicholas Sze | Tsz Wo Nicholas Sze |
+| [HADOOP-7119](https://issues.apache.org/jira/browse/HADOOP-7119) | add Kerberos HTTP SPNEGO
authentication support to Hadoop JT/NN/DN/TT web-consoles |  Major | security | Alejandro
Abdelnur | Alejandro Abdelnur |
+| [HADOOP-6889](https://issues.apache.org/jira/browse/HADOOP-6889) | Make RPC to have an
option to timeout |  Major | ipc | Hairong Kuang | John George |
+| [HDFS-1520](https://issues.apache.org/jira/browse/HDFS-1520) | HDFS 20 append: Lightweight
NameNode operation to trigger lease recovery |  Major | namenode | Hairong Kuang | Hairong
Kuang |
+| [HDFS-200](https://issues.apache.org/jira/browse/HDFS-200) | In HDFS, sync() not yet guarantees
data available to the new readers |  Blocker | . | Tsz Wo Nicholas Sze | dhruba borthakur
|
+| [MAPREDUCE-2777](https://issues.apache.org/jira/browse/MAPREDUCE-2777) | Backport MAPREDUCE-220
to Hadoop 20 security branch |  Major | . | Jonathan Eagles | Amar Kamat |
+
+
+### IMPROVEMENTS:
+
+| JIRA | Summary | Priority | Component | Reporter | Contributor |
+|:---- |:---- | :--- |:---- |:---- |:---- |
+| [HADOOP-7720](https://issues.apache.org/jira/browse/HADOOP-7720) | improve the hadoop-setup-conf.sh
to read in the hbase user and setup the configs |  Major | conf | Arpit Gupta | Arpit Gupta
|
+| [HADOOP-7707](https://issues.apache.org/jira/browse/HADOOP-7707) | improve config generator
to allow users to specify proxy user, turn append on or off, turn webhdfs on or off |  Major
| conf | Arpit Gupta | Arpit Gupta |
+| [HADOOP-7655](https://issues.apache.org/jira/browse/HADOOP-7655) | provide a small validation
script that smoke tests the installed cluster |  Major | . | Arpit Gupta | Arpit Gupta |
+| [HADOOP-7472](https://issues.apache.org/jira/browse/HADOOP-7472) | RPC client should deal
with the IP address changes |  Minor | ipc | Kihwal Lee | Kihwal Lee |
+| [HADOOP-7432](https://issues.apache.org/jira/browse/HADOOP-7432) | Back-port HADOOP-7110
to 0.20-security |  Major | . | Sherry Chen | Sherry Chen |
+| [HADOOP-7343](https://issues.apache.org/jira/browse/HADOOP-7343) | backport HADOOP-7008
and HADOOP-7042 to branch-0.20-security |  Minor | test | Thomas Graves | Thomas Graves |
+| [HADOOP-7314](https://issues.apache.org/jira/browse/HADOOP-7314) | Add support for throwing
UnknownHostException when a host doesn't resolve |  Major | . | Jeffrey Naisbitt | Jeffrey
Naisbitt |
+| [HDFS-1555](https://issues.apache.org/jira/browse/HDFS-1555) | HDFS 20 append: Disallow
pipeline recovery if a file is already being lease recovered |  Major | . | Hairong Kuang
| Hairong Kuang |
+| [HDFS-1211](https://issues.apache.org/jira/browse/HDFS-1211) | 0.20 append: Block receiver
should not log "rewind" packets at INFO level |  Minor | datanode | Todd Lipcon | Todd Lipcon
|
+| [HDFS-1210](https://issues.apache.org/jira/browse/HDFS-1210) | DFSClient should log exception
when block recovery fails |  Trivial | hdfs-client | Todd Lipcon | Todd Lipcon |
+| [HDFS-1054](https://issues.apache.org/jira/browse/HDFS-1054) | Remove unnecessary sleep
after failure in nextBlockOutputStream |  Major | hdfs-client | Todd Lipcon | Todd Lipcon
|
+| [HDFS-895](https://issues.apache.org/jira/browse/HDFS-895) | Allow hflush/sync to occur
in parallel with new writes to the file |  Major | hdfs-client | dhruba borthakur | Todd Lipcon
|
+| [HDFS-826](https://issues.apache.org/jira/browse/HDFS-826) | Allow a mechanism for an application
to detect that datanode(s)  have died in the write pipeline |  Major | hdfs-client | dhruba
borthakur | dhruba borthakur |
+| [MAPREDUCE-2981](https://issues.apache.org/jira/browse/MAPREDUCE-2981) | Backport trunk
fairscheduler to 0.20-security branch |  Major | contrib/fair-share | Matei Zaharia | Matei
Zaharia |
+| [MAPREDUCE-2729](https://issues.apache.org/jira/browse/MAPREDUCE-2729) | Reducers are always
counted having "pending tasks" even if they can't be scheduled yet because not enough of their
mappers have completed |  Major | . | Sherry Chen | Sherry Chen |
+| [MAPREDUCE-2494](https://issues.apache.org/jira/browse/MAPREDUCE-2494) | Make the distributed
cache delete entires using LRU priority |  Major | distributed-cache | Robert Joseph Evans
| Robert Joseph Evans |
+
+
+### BUG FIXES:
+
+| JIRA | Summary | Priority | Component | Reporter | Contributor |
+|:---- |:---- | :--- |:---- |:---- |:---- |
+| [HADOOP-7724](https://issues.apache.org/jira/browse/HADOOP-7724) | hadoop-setup-conf.sh
should put proxy user info into the core-site.xml |  Major | . | Giridharan Kesavan | Arpit
Gupta |
+| [HADOOP-7721](https://issues.apache.org/jira/browse/HADOOP-7721) | dfs.web.authentication.kerberos.principal
expects the full hostname and does not replace \_HOST with the hostname |  Major | . | Arpit
Gupta | Jitendra Nath Pandey |
+| [HADOOP-7715](https://issues.apache.org/jira/browse/HADOOP-7715) | see log4j Error when
running mr jobs and certain dfs calls |  Major | conf | Arpit Gupta | Eric Yang |
+| [HADOOP-7711](https://issues.apache.org/jira/browse/HADOOP-7711) | hadoop-env.sh generated
from templates has duplicate info |  Major | conf | Arpit Gupta | Arpit Gupta |
+| [HADOOP-7708](https://issues.apache.org/jira/browse/HADOOP-7708) | config generator does
not update the properties file if on exists already |  Critical | conf | Arpit Gupta | Eric
Yang |
+| [HADOOP-7691](https://issues.apache.org/jira/browse/HADOOP-7691) | hadoop deb pkg should
take a diff group id |  Major | . | Giridharan Kesavan | Eric Yang |
+| [HADOOP-7684](https://issues.apache.org/jira/browse/HADOOP-7684) | jobhistory server and
secondarynamenode should have init.d script |  Major | scripts | Eric Yang | Eric Yang |
+| [HADOOP-7683](https://issues.apache.org/jira/browse/HADOOP-7683) | hdfs-site.xml template
has properties that are not used in 20 |  Minor | . | Arpit Gupta | Arpit Gupta |
+| [HADOOP-7681](https://issues.apache.org/jira/browse/HADOOP-7681) | log4j.properties is
missing properties for security audit and hdfs audit should be changed to info |  Minor |
conf | Arpit Gupta | Arpit Gupta |
+| [HADOOP-7679](https://issues.apache.org/jira/browse/HADOOP-7679) | log4j.properties templates
does not define mapred.jobsummary.logger |  Major | conf | Ramya Sunil | Ramya Sunil |
+| [HADOOP-7674](https://issues.apache.org/jira/browse/HADOOP-7674) | TestKerberosName fails
in 20 branch. |  Major | . | Jitendra Nath Pandey | Jitendra Nath Pandey |
+| [HADOOP-7658](https://issues.apache.org/jira/browse/HADOOP-7658) | to fix hadoop config
template |  Major | . | Giridharan Kesavan | Eric Yang |
+| [HADOOP-7649](https://issues.apache.org/jira/browse/HADOOP-7649) | TestMapredGroupMappingServiceRefresh
and TestRefreshUserMappings  fail after HADOOP-7625 |  Blocker | security, test | Kihwal Lee
| Jitendra Nath Pandey |
+| [HADOOP-7645](https://issues.apache.org/jira/browse/HADOOP-7645) | HTTP auth tests requiring
Kerberos infrastructure are not disabled on branch-0.20-security |  Blocker | security | Aaron
T. Myers | Jitendra Nath Pandey |
+| [HADOOP-7644](https://issues.apache.org/jira/browse/HADOOP-7644) | Fix the delegation token
tests to use the new style renewers |  Blocker | security | Owen O'Malley | Owen O'Malley
|
+| [HADOOP-7637](https://issues.apache.org/jira/browse/HADOOP-7637) | Fair scheduler configuration
file is not bundled in RPM |  Major | build | Eric Yang | Eric Yang |
+| [HADOOP-7633](https://issues.apache.org/jira/browse/HADOOP-7633) | log4j.properties should
be added to the hadoop conf on deploy |  Major | conf | Arpit Gupta | Eric Yang |
+| [HADOOP-7631](https://issues.apache.org/jira/browse/HADOOP-7631) | In mapred-site.xml,
stream.tmpdir is mapped to ${mapred.temp.dir} which is undeclared. |  Major | conf | Ramya
Sunil | Eric Yang |
+| [HADOOP-7630](https://issues.apache.org/jira/browse/HADOOP-7630) | hadoop-metrics2.properties
should have a property \*.period set to a default value foe metrics |  Major | conf | Arpit
Gupta | Eric Yang |
+| [HADOOP-7626](https://issues.apache.org/jira/browse/HADOOP-7626) | Allow overwrite of HADOOP\_CLASSPATH
and HADOOP\_OPTS |  Major | scripts | Eric Yang | Eric Yang |
+| [HADOOP-7625](https://issues.apache.org/jira/browse/HADOOP-7625) | TestDelegationToken
is failing in 205 |  Major | . | Owen O'Malley | Owen O'Malley |
+| [HADOOP-7615](https://issues.apache.org/jira/browse/HADOOP-7615) | Binary layout does not
put share/hadoop/contrib/\*.jar into the class path |  Major | scripts | Eric Yang | Eric
Yang |
+| [HADOOP-7610](https://issues.apache.org/jira/browse/HADOOP-7610) | /etc/profile.d does
not exist on Debian |  Major | scripts | Eric Yang | Eric Yang |
+| [HADOOP-7603](https://issues.apache.org/jira/browse/HADOOP-7603) | Set default hdfs, mapred
uid, and hadoop group gid for RPM packages |  Major | . | Eric Yang | Eric Yang |
+| [HADOOP-7602](https://issues.apache.org/jira/browse/HADOOP-7602) | wordcount, sort etc
on har files fails with NPE |  Major | . | John George | John George |
+| [HADOOP-7599](https://issues.apache.org/jira/browse/HADOOP-7599) | Improve hadoop setup
conf script to setup secure Hadoop cluster |  Major | scripts | Eric Yang | Eric Yang |
+| [HADOOP-7596](https://issues.apache.org/jira/browse/HADOOP-7596) | Enable jsvc to work
with Hadoop RPM package |  Major | build | Eric Yang | Eric Yang |
+| [HADOOP-7539](https://issues.apache.org/jira/browse/HADOOP-7539) | merge hadoop archive
goodness from trunk to .20 |  Major | . | John George | John George |
+| [HADOOP-7400](https://issues.apache.org/jira/browse/HADOOP-7400) | HdfsProxyTests fails
when the -Dtest.build.dir and -Dbuild.test is set |  Major | build | Giridharan Kesavan |
Giridharan Kesavan |
+| [HADOOP-6833](https://issues.apache.org/jira/browse/HADOOP-6833) | IPC leaks call parameters
when exceptions thrown |  Blocker | . | Todd Lipcon | Todd Lipcon |
+| [HADOOP-6722](https://issues.apache.org/jira/browse/HADOOP-6722) | NetUtils.connect should
check that it hasn't connected a socket to itself |  Major | util | Todd Lipcon | Todd Lipcon
|
+| [HDFS-2411](https://issues.apache.org/jira/browse/HDFS-2411) | with webhdfs enabled in
secure mode the auth to local mappings are not being respected. |  Major | webhdfs | Arpit
Gupta | Jitendra Nath Pandey |
+| [HDFS-2408](https://issues.apache.org/jira/browse/HDFS-2408) | DFSClient#getNumCurrentReplicas
is package private in 205 but public in branch-0.20-append |  Blocker | hdfs-client | stack
| stack |
+| [HDFS-2405](https://issues.apache.org/jira/browse/HDFS-2405) | hadoop dfs command with
webhdfs fails on secure hadoop |  Critical | webhdfs | Arpit Gupta | Jitendra Nath Pandey
|
+| [HDFS-2392](https://issues.apache.org/jira/browse/HDFS-2392) | Dist with hftp is failing
again |  Critical | namenode | Rajit Saha | Daryn Sharp |
+| [HDFS-2375](https://issues.apache.org/jira/browse/HDFS-2375) | TestFileAppend4 fails in
0.20.205 branch |  Blocker | hdfs-client | Suresh Srinivas | Suresh Srinivas |
+| [HDFS-2373](https://issues.apache.org/jira/browse/HDFS-2373) | Commands using webhdfs and
hftp print unnecessary debug information on the console with security enabled |  Major | webhdfs
| Arpit Gupta | Arpit Gupta |
+| [HDFS-2368](https://issues.apache.org/jira/browse/HDFS-2368) | defaults created for web
keytab and principal, these properties should not have defaults |  Major | . | Arpit Gupta
| Tsz Wo Nicholas Sze |
+| [HDFS-2361](https://issues.apache.org/jira/browse/HDFS-2361) | hftp is broken |  Critical
| namenode | Rajit Saha | Jitendra Nath Pandey |
+| [HDFS-2359](https://issues.apache.org/jira/browse/HDFS-2359) | NPE found in Datanode log
while Disk failed during different HDFS operation |  Major | datanode | Rajit Saha | Jonathan
Eagles |
+| [HDFS-2358](https://issues.apache.org/jira/browse/HDFS-2358) | NPE when the default filesystem's
uri has no authority |  Major | namenode | Rajit Saha | Daryn Sharp |
+| [HDFS-2342](https://issues.apache.org/jira/browse/HDFS-2342) | TestSleepJob and TestHdfsProxy
broken after HDFS-2284 |  Blocker | build | Kihwal Lee | Tsz Wo Nicholas Sze |
+| [HDFS-2333](https://issues.apache.org/jira/browse/HDFS-2333) | HDFS-2284 introduced 2 findbugs
warnings on trunk |  Major | . | Ivan Kelly | Tsz Wo Nicholas Sze |
+| [HDFS-2331](https://issues.apache.org/jira/browse/HDFS-2331) | Hdfs compilation fails |
 Major | hdfs-client | Abhijit Suresh Shingate | Abhijit Suresh Shingate |
+| [HDFS-2328](https://issues.apache.org/jira/browse/HDFS-2328) | hftp throws NPE if security
is not enabled on remote cluster |  Critical | . | Daryn Sharp | Owen O'Malley |
+| [HDFS-2325](https://issues.apache.org/jira/browse/HDFS-2325) | Fuse-DFS fails to build
on Hadoop 20.203.0 |  Blocker | fuse-dfs, libhdfs | Charles Earl | Kihwal Lee |
+| [HDFS-2320](https://issues.apache.org/jira/browse/HDFS-2320) | Make merged protocol changes
from 0.20-append to 0.20-security compatible with previous releases. |  Major | datanode,
hdfs-client, namenode | Suresh Srinivas | Suresh Srinivas |
+| [HDFS-2309](https://issues.apache.org/jira/browse/HDFS-2309) | TestRenameWhileOpen fails
in branch-0.20-security |  Major | . | Jitendra Nath Pandey | Jitendra Nath Pandey |
+| [HDFS-2300](https://issues.apache.org/jira/browse/HDFS-2300) | TestFileAppend4 and TestMultiThreadedSync
fail on 20.append and 20-security. |  Major | . | Jitendra Nath Pandey | Jitendra Nath Pandey
|
+| [HDFS-2259](https://issues.apache.org/jira/browse/HDFS-2259) | DN web-UI doesn't work with
paths that contain html |  Minor | datanode | Eli Collins | Eli Collins |
+| [HDFS-2190](https://issues.apache.org/jira/browse/HDFS-2190) | NN fails to start if it
encounters an empty or malformed fstime file |  Major | namenode | Aaron T. Myers | Aaron
T. Myers |
+| [HDFS-2117](https://issues.apache.org/jira/browse/HDFS-2117) | DiskChecker#mkdirsWithExistsAndPermissionCheck
may return true even when the dir is not created |  Minor | datanode | Eli Collins | Eli Collins
|
+| [HDFS-2053](https://issues.apache.org/jira/browse/HDFS-2053) | Bug in INodeDirectory#computeContentSummary
warning |  Minor | namenode | Michael Noll | Michael Noll |
+| [HDFS-1836](https://issues.apache.org/jira/browse/HDFS-1836) | Thousand of CLOSE\_WAIT
socket |  Major | hdfs-client | Dennis Cheung | Bharath Mundlapudi |
+| [HDFS-1779](https://issues.apache.org/jira/browse/HDFS-1779) | After NameNode restart ,
Clients can not read partial files even after client invokes Sync. |  Major | datanode, namenode
| Uma Maheswara Rao G | Uma Maheswara Rao G |
+| [HDFS-1346](https://issues.apache.org/jira/browse/HDFS-1346) | DFSClient receives out of
order packet ack |  Major | datanode, hdfs-client | Hairong Kuang | Hairong Kuang |
+| [HDFS-1260](https://issues.apache.org/jira/browse/HDFS-1260) | 0.20: Block lost when multiple
DNs trying to recover it to different genstamps |  Critical | . | Todd Lipcon | Todd Lipcon
|
+| [HDFS-1218](https://issues.apache.org/jira/browse/HDFS-1218) | 20 append: Blocks recovered
on startup should be treated with lower priority during block synchronization |  Critical
| datanode | Todd Lipcon | Todd Lipcon |
+| [HDFS-1207](https://issues.apache.org/jira/browse/HDFS-1207) | 0.20-append: stallReplicationWork
should be volatile |  Major | namenode | Todd Lipcon | Todd Lipcon |
+| [HDFS-1204](https://issues.apache.org/jira/browse/HDFS-1204) | 0.20: Lease expiration should
recover single files, not entire lease holder |  Major | . | Todd Lipcon | sam rash |
+| [HDFS-1202](https://issues.apache.org/jira/browse/HDFS-1202) | DataBlockScanner throws
NPE when updated before initialized |  Major | datanode | Todd Lipcon | Todd Lipcon |
+| [HDFS-1197](https://issues.apache.org/jira/browse/HDFS-1197) | Blocks are considered "complete"
prematurely after commitBlockSynchronization or DN restart |  Major | datanode, hdfs-client,
namenode | Todd Lipcon | Todd Lipcon |
+| [HDFS-1186](https://issues.apache.org/jira/browse/HDFS-1186) | 0.20: DNs should interrupt
writers at start of recovery |  Blocker | datanode | Todd Lipcon | Todd Lipcon |
+| [HDFS-1164](https://issues.apache.org/jira/browse/HDFS-1164) | TestHdfsProxy is failing
|  Major | contrib/hdfsproxy | Eli Collins | Todd Lipcon |
+| [HDFS-1141](https://issues.apache.org/jira/browse/HDFS-1141) | completeFile does not check
lease ownership |  Blocker | namenode | Todd Lipcon | Todd Lipcon |
+| [HDFS-1118](https://issues.apache.org/jira/browse/HDFS-1118) | DFSOutputStream socket leak
when cannot connect to DataNode |  Major | . | Zheng Shao | Zheng Shao |
+| [HDFS-988](https://issues.apache.org/jira/browse/HDFS-988) | saveNamespace race can corrupt
the edits log |  Blocker | namenode | dhruba borthakur | Eli Collins |
+| [HDFS-724](https://issues.apache.org/jira/browse/HDFS-724) | Pipeline close hangs if one
of the datanode is not responsive. |  Blocker | datanode, hdfs-client | Tsz Wo Nicholas Sze
| Hairong Kuang |
+| [HDFS-606](https://issues.apache.org/jira/browse/HDFS-606) | ConcurrentModificationException
in invalidateCorruptReplicas() |  Major | namenode | Konstantin Shvachko | Konstantin Shvachko
|
+| [HDFS-142](https://issues.apache.org/jira/browse/HDFS-142) | In 0.20, move blocks being
written into a blocksBeingWritten directory |  Blocker | . | Raghu Angadi | dhruba borthakur
|
+| [MAPREDUCE-3112](https://issues.apache.org/jira/browse/MAPREDUCE-3112) | Calling hadoop
cli inside mapreduce job leads to errors |  Major | contrib/streaming | Eric Yang | Eric Yang
|
+| [MAPREDUCE-3081](https://issues.apache.org/jira/browse/MAPREDUCE-3081) | Change the name
format for hadoop core and vaidya jar to be hadoop-{core/vaidya}-{version}.jar in vaidya.sh
|  Major | contrib/vaidya | vitthal (Suhas) Gogate |  |
+| [MAPREDUCE-3076](https://issues.apache.org/jira/browse/MAPREDUCE-3076) | TestSleepJob fails
|  Blocker | test | Arun C Murthy | Arun C Murthy |
+| [MAPREDUCE-2915](https://issues.apache.org/jira/browse/MAPREDUCE-2915) | LinuxTaskController
does not work when JniBasedUnixGroupsNetgroupMapping or JniBasedUnixGroupsMapping is enabled
|  Major | task-controller | Kihwal Lee | Kihwal Lee |
+| [MAPREDUCE-2852](https://issues.apache.org/jira/browse/MAPREDUCE-2852) | Jira for YDH bug
2854624 |  Major | tasktracker | Eli Collins | Kihwal Lee |
+| [MAPREDUCE-2764](https://issues.apache.org/jira/browse/MAPREDUCE-2764) | Fix renewal of
dfs delegation tokens |  Major | . | Daryn Sharp | Owen O'Malley |
+| [MAPREDUCE-2705](https://issues.apache.org/jira/browse/MAPREDUCE-2705) | tasks localized
and launched serially by TaskLauncher - causing other tasks to be delayed |  Major | tasktracker
| Thomas Graves | Thomas Graves |
+| [MAPREDUCE-2650](https://issues.apache.org/jira/browse/MAPREDUCE-2650) | back-port MAPREDUCE-2238
to 0.20-security |  Major | . | Sherry Chen | Sherry Chen |
+| [MAPREDUCE-2610](https://issues.apache.org/jira/browse/MAPREDUCE-2610) | Inconsistent API
JobClient.getQueueAclsForCurrentUser |  Major | client | Joep Rottinghuis | Joep Rottinghuis
|
+| [MAPREDUCE-2549](https://issues.apache.org/jira/browse/MAPREDUCE-2549) | Potential resource
leaks in HadoopServer.java, RunOnHadoopWizard.java and Environment.java |  Major | contrib/eclipse-plugin,
contrib/streaming | Devaraj K | Devaraj K |
+| [MAPREDUCE-2489](https://issues.apache.org/jira/browse/MAPREDUCE-2489) | Jobsplits with
random hostnames can make the queue unusable |  Major | jobtracker | Jeffrey Naisbitt | Jeffrey
Naisbitt |
+| [MAPREDUCE-2324](https://issues.apache.org/jira/browse/MAPREDUCE-2324) | Job should fail
if a reduce task can't be scheduled anywhere |  Major | . | Todd Lipcon | Robert Joseph Evans
|
+| [MAPREDUCE-2187](https://issues.apache.org/jira/browse/MAPREDUCE-2187) | map tasks timeout
during sorting |  Major | . | Gianmarco De Francisci Morales | Anupam Seth |
+
+
+### TESTS:
+
+| JIRA | Summary | Priority | Component | Reporter | Contributor |
+|:---- |:---- | :--- |:---- |:---- |:---- |
+| [HDFS-1252](https://issues.apache.org/jira/browse/HDFS-1252) | TestDFSConcurrentFileOperations
broken in 0.20-appendj |  Major | test | Todd Lipcon | Todd Lipcon |
+| [HDFS-1242](https://issues.apache.org/jira/browse/HDFS-1242) | 0.20 append: Add test for
appendFile() race solved in HDFS-142 |  Major | . | Todd Lipcon | Todd Lipcon |
+
+
+### SUB-TASKS:
+
+| JIRA | Summary | Priority | Component | Reporter | Contributor |
+|:---- |:---- | :--- |:---- |:---- |:---- |
+| [HDFS-2404](https://issues.apache.org/jira/browse/HDFS-2404) | webhdfs liststatus json
response is not correct |  Major | webhdfs | Arpit Gupta | Suresh Srinivas |
+| [HDFS-2403](https://issues.apache.org/jira/browse/HDFS-2403) | The renewer in NamenodeWebHdfsMethods.generateDelegationToken(..)
is not used |  Major | . | Tsz Wo Nicholas Sze | Tsz Wo Nicholas Sze |
+| [HDFS-2395](https://issues.apache.org/jira/browse/HDFS-2395) | webhdfs api's should return
a root element in the json response |  Critical | webhdfs | Arpit Gupta | Tsz Wo Nicholas
Sze |
+| [HDFS-2385](https://issues.apache.org/jira/browse/HDFS-2385) | Support delegation token
renewal in webhdfs |  Major | webhdfs | Tsz Wo Nicholas Sze | Tsz Wo Nicholas Sze |
+| [HDFS-2366](https://issues.apache.org/jira/browse/HDFS-2366) | webhdfs throws a npe when
ugi is null from getDelegationToken |  Major | webhdfs | Arpit Gupta | Tsz Wo Nicholas Sze
|
+| [HDFS-2356](https://issues.apache.org/jira/browse/HDFS-2356) | webhdfs: support case insensitive
query parameter names |  Major | webhdfs | Tsz Wo Nicholas Sze | Tsz Wo Nicholas Sze |
+| [HDFS-2348](https://issues.apache.org/jira/browse/HDFS-2348) | Support getContentSummary
and getFileChecksum in webhdfs |  Major | webhdfs | Tsz Wo Nicholas Sze | Tsz Wo Nicholas
Sze |
+| [HDFS-2340](https://issues.apache.org/jira/browse/HDFS-2340) | Support getFileBlockLocations
and getDelegationToken in webhdfs |  Major | webhdfs | Tsz Wo Nicholas Sze | Tsz Wo Nicholas
Sze |
+| [HDFS-2338](https://issues.apache.org/jira/browse/HDFS-2338) | Configuration option to
enable/disable webhdfs. |  Major | webhdfs | Jitendra Nath Pandey | Jitendra Nath Pandey |
+| [HDFS-2318](https://issues.apache.org/jira/browse/HDFS-2318) | Provide authentication to
webhdfs using SPNEGO |  Major | webhdfs | Tsz Wo Nicholas Sze | Tsz Wo Nicholas Sze |
+| [HDFS-2317](https://issues.apache.org/jira/browse/HDFS-2317) | Read access to HDFS using
HTTP REST |  Major | . | Tsz Wo Nicholas Sze | Tsz Wo Nicholas Sze |
+| [HDFS-2284](https://issues.apache.org/jira/browse/HDFS-2284) | Write Http access to HDFS
|  Major | . | Sanjay Radia | Tsz Wo Nicholas Sze |
+| [HDFS-1057](https://issues.apache.org/jira/browse/HDFS-1057) | Concurrent readers hit ChecksumExceptions
if following a writer to very end of file |  Blocker | datanode | Todd Lipcon | sam rash |
+| [HDFS-561](https://issues.apache.org/jira/browse/HDFS-561) | Fix write pipeline READ\_TIMEOUT
|  Major | datanode, hdfs-client | Kan Zhang | Kan Zhang |
+| [MAPREDUCE-2928](https://issues.apache.org/jira/browse/MAPREDUCE-2928) | MR-2413 improvements
|  Major | tasktracker | Eli Collins | Eli Collins |
+| [MAPREDUCE-2780](https://issues.apache.org/jira/browse/MAPREDUCE-2780) | Standardize the
value of token service |  Major | . | Daryn Sharp | Daryn Sharp |
+
+
+### OTHER:
+
+| JIRA | Summary | Priority | Component | Reporter | Contributor |
+|:---- |:---- | :--- |:---- |:---- |:---- |
+| [HDFS-1795](https://issues.apache.org/jira/browse/HDFS-1795) | Port 0.20-append changes
onto 0.20-security-203 |  Major | . | Andrew Purtell |  |
+
+

http://git-wip-us.apache.org/repos/asf/hadoop/blob/140a33df/hadoop-common-project/hadoop-common/src/site/markdown/release/0.20.205.0/RELEASENOTES.0.20.205.0.md
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b/hadoop-common-project/hadoop-common/src/site/markdown/release/0.20.205.0/RELEASENOTES.0.20.205.0.md
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+++ b/hadoop-common-project/hadoop-common/src/site/markdown/release/0.20.205.0/RELEASENOTES.0.20.205.0.md
@@ -0,0 +1,195 @@
+
+<!---
+# 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  0.20.205.0 Release Notes
+
+These release notes cover new developer and user-facing incompatibilities, features, and
major improvements.
+
+
+---
+
+* [HADOOP-7724](https://issues.apache.org/jira/browse/HADOOP-7724) | *Major* | **hadoop-setup-conf.sh
should put proxy user info into the core-site.xml**
+
+Fixed hadoop-setup-conf.sh to put proxy user in core-site.xml.  (Arpit Gupta via Eric Yang)
+
+
+---
+
+* [HADOOP-7720](https://issues.apache.org/jira/browse/HADOOP-7720) | *Major* | **improve
the hadoop-setup-conf.sh to read in the hbase user and setup the configs**
+
+Added parameter for HBase user to setup config script. (Arpit Gupta via Eric Yang)
+
+
+---
+
+* [HADOOP-7715](https://issues.apache.org/jira/browse/HADOOP-7715) | *Major* | **see log4j
Error when running mr jobs and certain dfs calls**
+
+Removed unnecessary security logger configuration. (Eric Yang)
+
+
+---
+
+* [HADOOP-7711](https://issues.apache.org/jira/browse/HADOOP-7711) | *Major* | **hadoop-env.sh
generated from templates has duplicate info**
+
+Fixed recursive sourcing of HADOOP\_OPTS environment variables (Arpit Gupta via Eric Yang)
+
+
+---
+
+* [HADOOP-7708](https://issues.apache.org/jira/browse/HADOOP-7708) | *Critical* | **config
generator does not update the properties file if on exists already**
+
+Fixed hadoop-setup-conf.sh to handle config file consistently.  (Eric Yang)
+
+
+---
+
+* [HADOOP-7707](https://issues.apache.org/jira/browse/HADOOP-7707) | *Major* | **improve
config generator to allow users to specify proxy user, turn append on or off, turn webhdfs
on or off**
+
+Added toggle for dfs.support.append, webhdfs and hadoop proxy user to setup config script.
(Arpit Gupta via Eric Yang)
+
+
+---
+
+* [HADOOP-7691](https://issues.apache.org/jira/browse/HADOOP-7691) | *Major* | **hadoop deb
pkg should take a diff group id**
+
+Fixed conflict uid for install packages. (Eric Yang)
+
+
+---
+
+* [HADOOP-7684](https://issues.apache.org/jira/browse/HADOOP-7684) | *Major* | **jobhistory
server and secondarynamenode should have init.d script**
+
+Added init.d script for jobhistory server and secondary namenode. (Eric Yang)
+
+
+---
+
+* [HADOOP-7681](https://issues.apache.org/jira/browse/HADOOP-7681) | *Minor* | **log4j.properties
is missing properties for security audit and hdfs audit should be changed to info**
+
+HADOOP-7681. Fixed security and hdfs audit log4j properties
+(Arpit Gupta via Eric Yang)
+
+
+---
+
+* [HADOOP-7655](https://issues.apache.org/jira/browse/HADOOP-7655) | *Major* | **provide
a small validation script that smoke tests the installed cluster**
+
+Committed to trunk and v23, since code reviewed by Eric.
+
+
+---
+
+* [HADOOP-7603](https://issues.apache.org/jira/browse/HADOOP-7603) | *Major* | **Set default
hdfs, mapred uid, and hadoop group gid for RPM packages**
+
+Set hdfs uid, mapred uid, and hadoop gid to fixed numbers (201, 202, and 123, respectively).
+
+
+---
+
+* [HADOOP-7119](https://issues.apache.org/jira/browse/HADOOP-7119) | *Major* | **add Kerberos
HTTP SPNEGO authentication support to Hadoop JT/NN/DN/TT web-consoles**
+
+Adding support for Kerberos HTTP SPNEGO authentication to the Hadoop web-consoles
+
+
+---
+
+* [HDFS-2358](https://issues.apache.org/jira/browse/HDFS-2358) | *Major* | **NPE when the
default filesystem's uri has no authority**
+
+Give meaningful error message instead of NPE.
+
+
+---
+
+* [HDFS-2338](https://issues.apache.org/jira/browse/HDFS-2338) | *Major* | **Configuration
option to enable/disable webhdfs.**
+
+Added a conf property dfs.webhdfs.enabled for enabling/disabling webhdfs.
+
+
+---
+
+* [HDFS-2318](https://issues.apache.org/jira/browse/HDFS-2318) | *Major* | **Provide authentication
to webhdfs using SPNEGO**
+
+Added two new conf properties dfs.web.authentication.kerberos.principal and dfs.web.authentication.kerberos.keytab
for the SPNEGO servlet filter.
+
+
+---
+
+* [HDFS-2202](https://issues.apache.org/jira/browse/HDFS-2202) | *Major* | **Changes to balancer
bandwidth should not require datanode restart.**
+
+New dfsadmin command added: [-setBalancerBandwidth \<bandwidth\>] where bandwidth is
max network bandwidth in bytes per second that the balancer is allowed to use on each datanode
during balacing.
+
+This is an incompatible change in 0.23.  The versions of ClientProtocol and DatanodeProtocol
are changed.
+
+
+---
+
+* [HDFS-1554](https://issues.apache.org/jira/browse/HDFS-1554) | *Major* | **Append 0.20:
New semantics for recoverLease**
+
+Change recoverLease API to return if the file is closed or not. It also change the semantics
of recoverLease to start lease recovery immediately.
+
+
+---
+
+* [HDFS-630](https://issues.apache.org/jira/browse/HDFS-630) | *Major* | **In DFSOutputStream.nextBlockOutputStream(),
the client can exclude specific datanodes when locating the next block.**
+
+**WARNING: No release note provided for this incompatible change.**
+
+
+---
+
+* [MAPREDUCE-3112](https://issues.apache.org/jira/browse/MAPREDUCE-3112) | *Major* | **Calling
hadoop cli inside mapreduce job leads to errors**
+
+Removed inheritance of certain server environment variables (HADOOP\_OPTS and HADOOP\_ROOT\_LOGGER)
in task attempt process.
+
+
+---
+
+* [MAPREDUCE-3081](https://issues.apache.org/jira/browse/MAPREDUCE-3081) | *Major* | **Change
the name format for hadoop core and vaidya jar to be hadoop-{core/vaidya}-{version}.jar in
vaidya.sh**
+
+contrib/vaidya/bin/vaidya.sh script fixed to use appropriate jars and classpath
+
+
+---
+
+* [MAPREDUCE-2777](https://issues.apache.org/jira/browse/MAPREDUCE-2777) | *Major* | **Backport
MAPREDUCE-220 to Hadoop 20 security branch**
+
+Adds cumulative cpu usage and total heap usage to task counters. This is a backport of MAPREDUCE-220
and MAPREDUCE-2469.
+
+
+---
+
+* [MAPREDUCE-2764](https://issues.apache.org/jira/browse/MAPREDUCE-2764) | *Major* | **Fix
renewal of dfs delegation tokens**
+
+Generalizes token renewal and canceling to a common interface and provides a plugin interface
for adding renewers for new kinds of tokens. Hftp changed to store the tokens as HFTP and
renew them over http.
+
+
+---
+
+* [MAPREDUCE-2494](https://issues.apache.org/jira/browse/MAPREDUCE-2494) | *Major* | **Make
the distributed cache delete entires using LRU priority**
+
+Added config option mapreduce.tasktracker.cache.local.keep.pct to the TaskTracker.  It is
the target percentage of the local distributed cache that should be kept in between garbage
collection runs.  In practice it will delete unused distributed cache entries in LRU order
until the size of the cache is less than mapreduce.tasktracker.cache.local.keep.pct of the
maximum cache size.  This is a floating point value between 0.0 and 1.0.  The default is 0.95.
+
+
+---
+
+* [MAPREDUCE-2187](https://issues.apache.org/jira/browse/MAPREDUCE-2187) | *Major* | **map
tasks timeout during sorting**
+
+I just committed this. Thanks Anupam!
+
+
+

http://git-wip-us.apache.org/repos/asf/hadoop/blob/140a33df/hadoop-common-project/hadoop-common/src/site/markdown/release/0.20.3/CHANGES.0.20.3.md
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diff --git a/hadoop-common-project/hadoop-common/src/site/markdown/release/0.20.3/CHANGES.0.20.3.md
b/hadoop-common-project/hadoop-common/src/site/markdown/release/0.20.3/CHANGES.0.20.3.md
new file mode 100644
index 0000000..1bac3d5
--- /dev/null
+++ b/hadoop-common-project/hadoop-common/src/site/markdown/release/0.20.3/CHANGES.0.20.3.md
@@ -0,0 +1,103 @@
+
+<!---
+# 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 0.20.3 - Unreleased
+
+### INCOMPATIBLE CHANGES:
+
+| JIRA | Summary | Priority | Component | Reporter | Contributor |
+|:---- |:---- | :--- |:---- |:---- |:---- |
+| [HADOOP-6701](https://issues.apache.org/jira/browse/HADOOP-6701) |  Incorrect exit codes
for "dfs -chown", "dfs -chgrp" |  Minor | fs | Ravi Phulari | Ravi Phulari |
+| [HADOOP-6382](https://issues.apache.org/jira/browse/HADOOP-6382) | publish hadoop jars
to apache mvn repo. |  Major | build | Giridharan Kesavan | Giridharan Kesavan |
+| [HDFS-132](https://issues.apache.org/jira/browse/HDFS-132) | Namenode in Safemode reports
to Simon non-zero number of deleted files during startup |  Minor | namenode | Hairong Kuang
| Suresh Srinivas |
+
+
+### NEW FEATURES:
+
+| JIRA | Summary | Priority | Component | Reporter | Contributor |
+|:---- |:---- | :--- |:---- |:---- |:---- |
+
+
+### IMPROVEMENTS:
+
+| JIRA | Summary | Priority | Component | Reporter | Contributor |
+|:---- |:---- | :--- |:---- |:---- |:---- |
+| [HADOOP-7240](https://issues.apache.org/jira/browse/HADOOP-7240) | Update eclipse .classpath
template |  Major | . | Aaron T. Myers | Aaron T. Myers |
+| [HADOOP-6882](https://issues.apache.org/jira/browse/HADOOP-6882) | Update the patch level
of Jetty |  Major | . | Owen O'Malley | Owen O'Malley |
+| [HDFS-1013](https://issues.apache.org/jira/browse/HDFS-1013) | Miscellaneous improvements
to HTML markup for web UIs |  Minor | . | Todd Lipcon | Eugene Koontz |
+| [MAPREDUCE-1832](https://issues.apache.org/jira/browse/MAPREDUCE-1832) | Support for file
sizes less than 1MB in DFSIO benchmark. |  Major | benchmarks | Konstantin Shvachko | Konstantin
Shvachko |
+| [MAPREDUCE-1734](https://issues.apache.org/jira/browse/MAPREDUCE-1734) | Un-deprecate the
old MapReduce API in the 0.20 branch |  Blocker | documentation | Tom White | Todd Lipcon
|
+
+
+### BUG FIXES:
+
+| JIRA | Summary | Priority | Component | Reporter | Contributor |
+|:---- |:---- | :--- |:---- |:---- |:---- |
+| [HADOOP-7116](https://issues.apache.org/jira/browse/HADOOP-7116) | raise contrib junit
test jvm memory size to 512mb |  Major | test | Owen O'Malley | Owen O'Malley |
+| [HADOOP-6928](https://issues.apache.org/jira/browse/HADOOP-6928) | Fix BooleanWritable
comparator in 0.20 |  Major | io | Owen O'Malley | Johannes Zillmann |
+| [HADOOP-6923](https://issues.apache.org/jira/browse/HADOOP-6923) | Native Libraries do
not load if a different platform signature is returned from org.apache.hadoop.util.PlatformName
|  Major | native | Stephen Watt | Stephen Watt |
+| [HADOOP-6881](https://issues.apache.org/jira/browse/HADOOP-6881) | The efficient comparators
aren't always used except for BytesWritable and Text |  Major | . | Owen O'Malley | Owen O'Malley
|
+| [HADOOP-6833](https://issues.apache.org/jira/browse/HADOOP-6833) | IPC leaks call parameters
when exceptions thrown |  Blocker | . | Todd Lipcon | Todd Lipcon |
+| [HADOOP-6760](https://issues.apache.org/jira/browse/HADOOP-6760) | WebServer shouldn't
increase port number in case of negative port setting caused by Jetty's race |  Major | .
| Konstantin Boudnik | Konstantin Boudnik |
+| [HADOOP-6724](https://issues.apache.org/jira/browse/HADOOP-6724) | IPC doesn't properly
handle IOEs thrown by socket factory |  Major | ipc | Todd Lipcon | Todd Lipcon |
+| [HADOOP-6702](https://issues.apache.org/jira/browse/HADOOP-6702) | Incorrect exit codes
for "dfs -chown", "dfs -chgrp"  when input is given in wildcard format. |  Minor | fs | Ravi
Phulari | Ravi Phulari |
+| [HDFS-1836](https://issues.apache.org/jira/browse/HDFS-1836) | Thousand of CLOSE\_WAIT
socket |  Major | hdfs-client | Dennis Cheung | Bharath Mundlapudi |
+| [HDFS-1543](https://issues.apache.org/jira/browse/HDFS-1543) | Reduce dev. cycle time by
moving system testing artifacts from default build and push to maven for HDFS |  Major | .
| Arun C Murthy | Luke Lu |
+| [HDFS-1406](https://issues.apache.org/jira/browse/HDFS-1406) | TestCLI fails on Ubuntu
with default /etc/hosts |  Minor | . | Todd Lipcon | Konstantin Boudnik |
+| [HDFS-1404](https://issues.apache.org/jira/browse/HDFS-1404) | TestNodeCount logic incorrect
in branch-0.20 |  Minor | namenode, test | Todd Lipcon | Todd Lipcon |
+| [HDFS-1377](https://issues.apache.org/jira/browse/HDFS-1377) | Quota bug for partial blocks
allows quotas to be violated |  Blocker | namenode | Eli Collins | Eli Collins |
+| [HDFS-1258](https://issues.apache.org/jira/browse/HDFS-1258) | Clearing namespace quota
on "/" corrupts FS image |  Blocker | namenode | Aaron T. Myers | Aaron T. Myers |
+| [HDFS-1240](https://issues.apache.org/jira/browse/HDFS-1240) | TestDFSShell failing in
branch-20 |  Critical | test | Todd Lipcon | Todd Lipcon |
+| [HDFS-1041](https://issues.apache.org/jira/browse/HDFS-1041) | DFSClient does not retry
in getFileChecksum(..) |  Major | hdfs-client | Tsz Wo Nicholas Sze | Tsz Wo Nicholas Sze
|
+| [HDFS-955](https://issues.apache.org/jira/browse/HDFS-955) | FSImage.saveFSImage can lose
edits |  Blocker | namenode | Todd Lipcon | Konstantin Shvachko |
+| [HDFS-909](https://issues.apache.org/jira/browse/HDFS-909) | Race condition between rollEditLog
or rollFSImage ant FSEditsLog.write operations  corrupts edits log |  Blocker | namenode |
Cosmin Lehene | Todd Lipcon |
+| [HDFS-908](https://issues.apache.org/jira/browse/HDFS-908) | TestDistributedFileSystem
fails with Wrong FS on weird hosts |  Minor | test | Todd Lipcon | Todd Lipcon |
+| [HDFS-727](https://issues.apache.org/jira/browse/HDFS-727) | bug setting block size hdfsOpenFile
|  Blocker | libhdfs | Eli Collins | Eli Collins |
+| [HDFS-15](https://issues.apache.org/jira/browse/HDFS-15) | Rack replication policy can
be violated for over replicated blocks |  Critical | . | Hairong Kuang | Jitendra Nath Pandey
|
+| [MAPREDUCE-2262](https://issues.apache.org/jira/browse/MAPREDUCE-2262) | Capacity Scheduler
unit tests fail with class not found |  Major | capacity-sched | Owen O'Malley | Owen O'Malley
|
+| [MAPREDUCE-1880](https://issues.apache.org/jira/browse/MAPREDUCE-1880) | "java.lang.ArithmeticException:
Non-terminating decimal expansion; no exact representable decimal result." while running "hadoop
jar hadoop-0.20.1+169.89-examples.jar pi 4 30" |  Minor | examples | Victor Pakhomov | Tsz
Wo Nicholas Sze |
+| [MAPREDUCE-1522](https://issues.apache.org/jira/browse/MAPREDUCE-1522) | FileInputFormat
may change the file system of an input path |  Blocker | . | Tsz Wo Nicholas Sze | Tsz Wo
Nicholas Sze |
+| [MAPREDUCE-1407](https://issues.apache.org/jira/browse/MAPREDUCE-1407) | Invalid example
in the documentation of org.apache.hadoop.mapreduce.{Mapper,Reducer} |  Trivial | documentation
| Benoit Sigoure | Benoit Sigoure |
+| [MAPREDUCE-1372](https://issues.apache.org/jira/browse/MAPREDUCE-1372) | ConcurrentModificationException
in JobInProgress |  Blocker | jobtracker | Amareshwari Sriramadasu | Dick King |
+| [MAPREDUCE-1280](https://issues.apache.org/jira/browse/MAPREDUCE-1280) | Eclipse Plugin
does not work with Eclipse Ganymede (3.4) |  Major | . | Aaron Kimball | Alex Kozlov |
+| [MAPREDUCE-118](https://issues.apache.org/jira/browse/MAPREDUCE-118) | Job.getJobID() will
always return null |  Blocker | client | Amar Kamat | Amareshwari Sriramadasu |
+
+
+### TESTS:
+
+| JIRA | Summary | Priority | Component | Reporter | Contributor |
+|:---- |:---- | :--- |:---- |:---- |:---- |
+| [HADOOP-6637](https://issues.apache.org/jira/browse/HADOOP-6637) | Benchmark overhead of
RPC session establishment |  Major | benchmarks | Konstantin Shvachko | Konstantin Shvachko
|
+
+
+### SUB-TASKS:
+
+| JIRA | Summary | Priority | Component | Reporter | Contributor |
+|:---- |:---- | :--- |:---- |:---- |:---- |
+
+
+### OTHER:
+
+| JIRA | Summary | Priority | Component | Reporter | Contributor |
+|:---- |:---- | :--- |:---- |:---- |:---- |
+| [HADOOP-7372](https://issues.apache.org/jira/browse/HADOOP-7372) | Remove ref of 20.3 release
from branch-0.20 CHANGES.txt |  Major | documentation | Eli Collins | Eli Collins |
+| [HDFS-1286](https://issues.apache.org/jira/browse/HDFS-1286) | Dry entropy pool on Hudson
boxes causing test timeouts |  Major | test | Todd Lipcon | Konstantin Boudnik |
+
+

http://git-wip-us.apache.org/repos/asf/hadoop/blob/140a33df/hadoop-common-project/hadoop-common/src/site/markdown/release/0.20.3/RELEASENOTES.0.20.3.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  0.20.3 Release Notes
+
+These release notes cover new developer and user-facing incompatibilities, features, and
major improvements.
+
+
+---
+
+* [HADOOP-6701](https://issues.apache.org/jira/browse/HADOOP-6701) | *Minor* | ** Incorrect
exit codes for "dfs -chown", "dfs -chgrp"**
+
+Commands chmod, chown and chgrp now returns non zero exit code and an error message on failure
instead of returning zero.
+
+
+---
+
+* [HADOOP-6382](https://issues.apache.org/jira/browse/HADOOP-6382) | *Major* | **publish
hadoop jars to apache mvn repo.**
+
+The hadoop jars are renamed  from previous hadoop-\<version\>-\<name\>.jar to
hadoop-\<name\>-\<version\>.jar. Applications and documentation need to be updated
to use the new file naming scheme.
+
+
+---
+
+* [HDFS-132](https://issues.apache.org/jira/browse/HDFS-132) | *Minor* | **Namenode in Safemode
reports to Simon non-zero number of deleted files during startup**
+
+With this incompatible change, under metrics context "dfs", the record name "FSDirectory"
is no longer available. The metrics "files\_deleted" from the deleted record "FSDirectory"
is now available in metrics context "dfs", record name "namenode" with the metrics name "FilesDeleted".
+
+
+


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