Fix conflict in CHANGES.txt when backporting HADOOP-12482 to branch-2.7.

hadoop-common-project/hadoop-common/CHANGES.txt

@@ -1,1421 +1,5 @@
 Hadoop Change Log
 
-<<<<<<< HEAD
-=======
-Trunk (Unreleased)
-
-  INCOMPATIBLE CHANGES
-
-    HADOOP-8124. Remove the deprecated FSDataOutputStream constructor,
-    FSDataOutputStream.sync() and Syncable.sync().  (szetszwo)
-
-    HADOOP-10474 Move o.a.h.record to hadoop-streaming. (wheat9)
-
-    HADOOP-9902. Shell script rewrite (aw)
-
-    HADOOP-10950. rework heap management vars (John Smith via aw)
-
-    HADOOP-6857. FsShell should report raw disk usage including replication
-    factor. (Byron Wong via shv)
-
-    HADOOP-11657. Align the output of `hadoop fs -du` to be more Unix-like.
-    (aajisaka)
-
-    HADOOP-11553. Formalize the shell API (aw)
-
-    HADOOP-11731. Rework the changelog and releasenotes (aw)
-
-    HADOOP-11627. Remove io.native.lib.available.
-    (Brahma Reddy Battula via aajisaka)
-
-    HADOOP-11698. Remove DistCpV1 and Logalyzer.
-    (Brahma Reddy Battula via aajisaka)
-
-    HADOOP-11356. Removed deprecated o.a.h.fs.permission.AccessControlException.
-    (Li Lu via wheat9)
-
-    HADOOP-10787 Rename/remove non-HADOOP_*, etc from the shell scripts.
-    (aw via vvasudev)
-
-  NEW FEATURES
-
-    HADOOP-6590. Add a username check for hadoop sub-commands (John Smith via
-    aw)
-
-    HADOOP-11353. Add support for .hadooprc (aw)
-
-    HADOOP-9044. add FindClass main class to provide classpath checking
-    of installations (Steve Loughran via aw)
-
-    HADOOP-11485. Pluggable shell integration (aw)
-
-    HADOOP-11554. Expose HadoopKerberosName as a hadoop subcommand (aw)
-
-    HADOOP-11565. Add --slaves shell option (aw)
-
-    HADOOP-9642. Configuration to resolve environment variables via
-    ${env.VARIABLE} references (Kengo Seki via aw)
-
-    HADOOP-7947. Validate XMLs if a relevant tool is available, when using
-    scripts (Kengo Seki via aw)
-
-    HADOOP-10854. unit tests for the shell scripts (aw)
-
-    HADOOP-10949. metrics2 sink plugin for Apache Kafka (Babak Behzad via aw)
-
-  IMPROVEMENTS
-
-    HADOOP-11203. Allow ditscp to accept bandwitdh in fraction MegaBytes
-    (Raju Bairishetti via amareshwari)
-
-    HADOOP-8017. Configure hadoop-main pom to get rid of M2E plugin execution
-    not covered (Eric Charles via bobby)
-
-    HADOOP-8015. ChRootFileSystem should extend FilterFileSystem 
-    (Daryn Sharp via bobby)
-
-    HADOOP-7595. Upgrade dependency to Avro 1.5.3. (Alejandro Abdelnur via atm)
-
-    HADOOP-8078. Add capability to turn on security in unit tests. (Jaimin 
-    Jetly via jitendra)
-
-    HADOOP-7757. Test file reference count is at least 3x actual value (Jon
-    Eagles via bobby)
-
-    HADOOP-8147. test-patch should run tests with -fn to avoid masking test
-    failures (Robert Evans via tgraves)
-
-    HADOOP-8290. Remove remaining references to hadoop.native.lib (harsh)
-
-    HADOOP-8308. Support cross-project Jenkins builds. (tomwhite)
-
-    HADOOP-8297. Writable javadocs don't carry default constructor (harsh)
-
-    HADOOP-8360. empty-configuration.xml fails xml validation
-    (Radim Kolar via harsh)
-
-    HADOOP-7659. fs -getmerge isn't guaranteed to work well over non-HDFS
-    filesystems (harsh)
-
-    HADOOP-8434. Add tests for Configuration setter methods.
-    (Madhukara Phatak via suresh)
-
-    HADOOP-8523. test-patch.sh doesn't validate patches before building
-    (Jack Dintruff via jeagles)
-
-    HADOOP-8719. Workaround for kerberos-related log errors upon running any
-    hadoop command on OSX. (Jianbin Wei via harsh)
-
-    HADOOP-8588. SerializationFactory shouldn't throw a
-    NullPointerException if the serializations list is empty.
-    (Sho Shimauchi via harsh)
-
-    HADOOP-7930. Kerberos relogin interval in UserGroupInformation
-    should be configurable (Robert Kanter via harsh)
-
-    HADOOP-8838. Colorize the test-patch output sent to JIRA (Harsh J via
-    bobby)
-
-    HADOOP-8840. Fix the test-patch colorizer to cover all sorts of +1 lines.
-    (Harsh J via bobby)
-
-    HADOOP-8864. Addendum to HADOOP-8840: Add a coloring case for +0 results
-    too. (harsh)
-
-    HADOOP-8910. Add examples to GlobExpander#expand method. (suresh)
-
-    HADOOP-8920. Add more javadoc to metrics2 related classes. (suresh)
-
-    HADOOP-8776. Provide an option in test-patch that can enable/disable
-    compiling native code. (Chris Nauroth via suresh)
-
-    HADOOP-6616. Improve documentation for rack awareness. (Adam Faris via 
-    jghoman)
-
-    HADOOP-9075. FileContext#FSLinkResolver should be made static.
-    (Arpit Agarwal via suresh)
-
-    HADOOP-9277. Improve javadoc for FileContext. (Andrew Wang via suresh)
-
-    HADOOP-9258 Add stricter tests to FileSystemContractTestBase (stevel)
-
-    HADOOP-9486. Promoted Windows and Shell related utils from YARN to Hadoop
-    Common. (Chris Nauroth via vinodkv)
-
-    HADOOP-8844. Add a plaintext fs -text test-case.
-    (Akira AJISAKA via harsh)
-
-    HADOOP-9432 Add support for markdown .md files in site documentation 
-    (stevel)
-
-    HADOOP-9186.  test-patch.sh should report build failure to JIRA.
-    (Binglin Chang via Colin Patrick McCabe)
-
-    HADOOP-9833 move slf4j to version 1.7.5 (Kousuke Saruta via stevel)
-
-    HADOOP-10325. Improve jenkins javadoc warnings from test-patch.sh (cmccabe)
-
-    HADOOP-10342. Add a new method to UGI to use a Kerberos login subject to
-    build a new UGI. (Larry McCay via omalley)
-
-    HADOOP-10485. Remove dead classes in hadoop-streaming. (wheat9)
-
-    HADOOP-11013. CLASSPATH handling should be consolidated, debuggable (aw)
-
-    HADOOP-11041. VersionInfo specifies subversion (Tsuyoshi OZAWA via aw)
-
-    HADOOP-11092. hadoop shell commands should print usage if not given a
-    a class (aw)
-
-    HADOOP-11231. Remove dead code in ServletUtil. (Li Lu via wheat9)
-
-    HADOOP-11025. hadoop-daemons.sh should just call hdfs directly (Masatake
-    Iwasaki via aw)
-
-    HADOOP-11150. hadoop command should show the reason on failure by 
-    invalid COMMAND or CLASSNAME (Masatake Iwasaki via aw)
-
-    HADOOP-11208. Replace "daemon" with better name in script subcommands (aw)
-
-    HADOOP-10926. Improve smart-apply-patch.sh to apply binary diffs (cmccabe)
-
-    HADOOP-11081. Document hadoop properties expected to be set by the shell 
-    code in *-env.sh (aw)
-
-    HADOOP-11352 Clean up test-patch.sh to disable "+1 contrib tests"
-    (Akira AJISAKA via stevel)
-
-    HADOOP-10788. Rewrite kms to use new shell framework (John Smith via aw)
-
-    HADOOP-11058. Missing HADOOP_CONF_DIR generates strange results
-    (Masatake Iwasaki via aw)
-
-    HADOOP-11460. Deprecate shell vars (John Smith via aw)
-
-    HADOOP-11346. Rewrite sls/rumen to use new shell framework (John Smith
-    via aw)
-
-    HADOOP-6964. Allow compact property description in xml (Kengo Seki
-    via aw)
-
-    HADOOP-11575. Daemon log documentation is misleading
-    (Naganarasimha G R via aw)
-
-    HADOOP-11596. Allow smart-apply-patch.sh to add new files in binary git
-    patches (raviprak)
-
-    HADOOP-11593. Convert site documentation from apt to markdown (stragglers)
-    (Masatake Iwasaki via aw)
-
-    HADOOP-11673. Skip using JUnit Assume in TestCodec. (Brahma Reddy Battula
-    via cdouglas)
-
-    HADOOP-10115. Exclude duplicate jars in hadoop package under different
-    component's lib (Vinayakumar B via aw)
-
-    HADOOP-11524. hadoop_do_classpath_subcommand throws a shellcheck warning.
-    (cnauroth)
-
-    HADOOP-11781. fix race conditions and add URL support to
-    smart-apply-patch.sh (Raymie Stata via aw)
-
-    HADOOP-11850. Typos in hadoop-common java docs. (Surendra Singh Lilhore
-    via jghoman)
-
-    HADOOP-11852. Disable symlinks in trunk. (Andrew Wang)
-
-    HADOOP-11857. Fix CommandFormat#commandFormat java doc annotation.
-    (J.Andreina via jghoman)
-
-    HADOOP-11813. releasedocmaker.py should use today's date instead of
-    unreleased (Darrell Taylor via aw)
-
-    HADOOP-11590. Update sbin commands and documentation to use new --slaves
-    option (aw)
-
-    HADOOP-10993. Dump java command line to *.out file
-    (Kengo Seki via vinayakumarb)
-
-    HADOOP-12016. Typo in FileSystem::listStatusIterator 
-    (Arthur Vigil via jghoman)
-
-    HADOOP-11142. Remove hdfs dfs reference from file system shell
-    documentation (Kengo Seki via aw)
-
-    HADOOP-12149. copy all of test-patch BINDIR prior to re-exec (aw)
-
-    HADOOP-10979. Auto-entries in hadoop_usage (aw)
-
-    HADOOP-12249. pull argument parsing into a function (aw)
-
-    HADOOP-12436. GlobPattern regex library has performance issues with
-    wildcard characters (Matthew Paduano via aw)
-
-    HADOOP-12385. Include nested stack trace in SaslRpcClient.getServerToken()
-    (stevel)
-
-    HADOOP-12133. Add schemas to Maven Assembly XMLs (Gábor Lipták via aw)
-
-    HADOOP-12541. make re2j dependency consistent (Matthew Paduano via aw)
-
-    HADOOP-11887. Introduce Intel ISA-L erasure coding library for native
-    erasure encoding support (Kai Zheng via Colin P. McCabe)
-
-  BUG FIXES
-
-    HADOOP-11473. test-patch says "-1 overall" even when all checks are +1
-    (Jason Lowe via raviprak)
-
-    HADOOP-9451. Fault single-layer config if node group topology is enabled.
-    (Junping Du via llu)
-
-    HADOOP-8419. Fixed GzipCode NPE reset for IBM JDK. (Yu Li via eyang)
-
-    HADOOP-8177. MBeans shouldn't try to register when it fails to create 
-    MBeanName. (Devaraj K via umamahesh)
-
-    HADOOP-8018.  Hudson auto test for HDFS has started throwing javadoc
-    (Jon Eagles via bobby)
-
-    HADOOP-7610. Fix for hadoop debian package (Eric Yang via gkesavan)
-
-    HADOOP-7641. Add Apache License to template config files.
-    (Eric Yang via atm)
-
-    HADOOP-7621. alfredo config should be in a file not readable by users
-    (Alejandro Abdelnur via atm)
-    
-    HADOOP-7669  Fix newly introduced release audit warning. 
-    (Uma Maheswara Rao G via stevel)
-    
-    HADOOP-6220. HttpServer wraps InterruptedExceptions by IOExceptions 
-    if interrupted in startup (stevel)
-
-    HADOOP-7703. Improved exception handling of shutting down web server.
-    (Devaraj K via Eric Yang)
-
-    HADOOP-7704. Reduce number of object created by JMXJsonServlet.
-    (Devaraj K via Eric Yang)
-
-    HADOOP-7769. TestJMXJsonServlet is failing. (tomwhite)
-
-    HADOOP-7770. ViewFS getFileChecksum throws FileNotFoundException for files in 
-    /tmp and /user. (Ravi Prakash via jitendra)
-
-    HADOOP-8141. Add method to SecurityUtil to init krb5 cipher suites.
-    (todd)
-
-    HADOOP-7788. Add simple HealthMonitor class to watch an HAService (todd)
-
-    HADOOP-8312. testpatch.sh should provide a simpler way to see which
-    warnings changed (bobby)
-
-    HADOOP-8339. jenkins complaining about 16 javadoc warnings 
-    (Tom White and Robert Evans via tgraves)
-
-    HADOOP-8354. test-patch findbugs may fail if a dependent module is changed
-    (Tom White and Robert Evans)
-
-    HADOOP-8375. test-patch should stop immediately once it has found
-    compilation errors (bobby)
-
-    HADOOP-8395. Text shell command unnecessarily demands that a
-    SequenceFile's key class be WritableComparable (harsh)
-
-    HADOOP-8413. test-patch.sh gives out the wrong links for
-    newPatchFindbugsWarnings (Colin Patrick McCabe via bobby)
-
-    HADOOP-6871. When the value of a configuration key is set to its
-    unresolved form, it causes the IllegalStateException in
-    Configuration.get() stating that substitution depth is too large.
-    (Arvind Prabhakar via harsh)
-
-    HADOOP-8548. test-patch.sh shows an incorrect link in Jekins builds
-    (Kihwal Lee via bobby)
-
-    HADOOP-8110. Fix trash checkpoint collisions (Jason Lowe via daryn)
-
-    HADOOP-8584. test-patch.sh should not immediately exit when no
-    tests are added or modified. (Colin Patrick McCabe via eli)
-
-    HADOOP-8521. Port StreamInputFormat to new Map Reduce API (madhukara
-    phatak via bobby)
-
-    HADOOP-8593. Add missed @Override annotations in Metric/Metrics2 package.
-    (Brandon Li via suresh)
-
-    HADOOP-8623. hadoop jar command should respect HADOOP_OPTS.
-    (Steven Willis via suresh)
-
-    HADOOP-8684. Deadlock between WritableComparator and WritableComparable.
-    (Jing Zhao via suresh)
-
-    HADOOP-8786. HttpServer continues to start even if AuthenticationFilter
-    fails to init (todd)
-
-    HADOOP-8767. Secondary namenode is started on slave nodes instead of
-    master nodes. (Giovanni Delussu via suresh)
-
-    HADOOP-8818. Use equals instead == in MD5MD5CRC32FileChecksum
-    and TFileDumper. (Brandon Li via suresh)
-
-    HADOOP-8821. Fix findbugs warning related to concatenating string in a 
-    for loop in Configuration#dumpDeprecatedKeys(). (suresh)
-
-    HADOOP-7256. Resource leak during failure scenario of closing
-    of resources. (Ramkrishna S. Vasudevan via harsh)
-
-    HADOOP-8813. Add InterfaceAudience and InterfaceStability annotations
-    to RPC Server and Client classes. (Brandon Li via suresh)
-
-    HADOOP-8386. hadoop script doesn't work if 'cd' prints to stdout
-    (default behavior in some bash setups (esp. Ubuntu))
-    (Chiristopher Berner and Andy Isaacson via harsh)
-
-    HADOOP-8839. test-patch's -1 on @author tag presence doesn't cause
-    a -1 to the overall result (harsh)
-
-    HADOOP-8918. test-patch.sh is parsing modified files wrong.
-    (Raja Aluri via suresh)
-
-    HADOOP-8974. TestDFVariations fails on Windows. (Chris Nauroth via suresh)
-
-    HADOOP-9037. Bug in test-patch.sh and precommit build process (Kihwal Lee
-    via jlowe)
-
-    HADOOP-9121. InodeTree.java has redundant check for vName while 
-    throwing exception. (Arup Malakar via suresh)
-
-    HADOOP-9131. Turn off TestLocalFileSystem#testListStatusWithColons on
-    Windows. (Chris Nauroth via suresh)
-
-    HADOOP-9139. improve killKdc.sh (Ivan A. Veselovsky via bobby)
-
-    HADOOP-9202. test-patch.sh fails during mvn eclipse:eclipse if patch adds
-    a new module to the build (Chris Nauroth via bobby)
-
-    HADOOP-9249. hadoop-maven-plugins version-info goal causes build failure
-    when running with Clover. (Chris Nauroth via suresh)
-
-    HADOOP-9393. TestRPC fails with JDK7. (Andrew Wang via atm)
-
-    HADOOP-9394. Port findHangingTest.sh from HBase to Hadoop. (Andrew Wang
-    via atm)
-
-    HADOOP-9431 TestSecurityUtil#testLocalHostNameForNullOrWild on systems where hostname
-    contains capital letters  (Chris Nauroth via sanjay)
-
-    HADOOP-9261 S3n filesystem can move a directory under itself -and so lose data
-    (fixed in HADOOP-9258) (stevel)
-
-    HADOOP-9265 S3 blockstore filesystem breaks part of the Filesystem contract
-    (fixed in HADOOP-9258) (stevel)
-
-    HADOOP-9433 TestLocalFileSystem#testHasFileDescriptor leaks file handle
-    (Chris Nauroth via sanjay)
-
-    HADOOP-9583. test-patch gives +1 despite build failure when running tests.
-    (jlowe via kihwal)
-
-    HADOOP-9847. TestGlobPath symlink tests fail to cleanup properly.
-    (cmccabe via wang)
-
-    HADOOP-9740. Fix FsShell '-text' command to be able to read Avro
-    files stored in HDFS and other filesystems. (Allan Yan via cutting)
-
-    HADOOP-10044 Improve the javadoc of rpc code (sanjay Radia)
-
-    HADOOP-10625. Trim configuration names when putting/getting them
-    to properties. (Wangda Tan via xgong)
-
-    HADOOP-10831. UserProvider is not thread safe. (Benoy Antony via umamahesh)
-
-    HADOOP-10834. Typo in CredentialShell usage. (Benoy Antony via umamahesh)
-
-    HADOOP-11002. shell escapes are incompatible with previous releases (aw)
-
-    HADOOP-10996. Stop violence in the *_HOME (aw)
-
-    HADOOP-11033. shell scripts ignore JAVA_HOME on OS X. (aw)
-
-    HADOOP-11052. hadoop_verify_secure_prereq's results aren't checked 
-    in bin/hdfs (aw)
-
-    HADOOP-11055. non-daemon pid files are missing (aw)
-
-    HADOOP-11022. User replaced functions get lost 2-3 levels deep (e.g., 
-    sbin) (aw)
-
-    HADOOP-11284. Fix variable name mismatches in hadoop-functions.sh (Masatake
-    Iwasaki via aw)
-
-    HADOOP-11298. slaves.sh and stop-all.sh are missing slashes (aw)
-
-    HADOOP-11296. hadoop-daemons.sh throws 'host1: bash: host3: 
-    command not found...' (vinayakumarb)
-
-    HADOOP-11380. Restore Rack Awareness documenation (aw)
-
-    HADOOP-11397. Can't override HADOOP_IDENT_STRING (Kengo Seki via aw)
-
-    HADOOP-10908. Common needs updates for shell rewrite (aw)
-
-    HADOOP-11559. Add links to RackAwareness and InterfaceClassification
-    to site index (Masatake Iwasaki via aw)
-
-    HADOOP-11580. Remove SingleNodeSetup.md from trunk (aajisaka)
-
-    HADOOP-11583. Fix syntax error in SecureMode.md (Masatake Iwasaki via aw)
-
-    HADOOP-11437. Remove the version and author information from distcp's
-    README file (Brahma Reddy Battula via aw)
-
-    HADOOP-11585. Fix formatting in Tracing.md (Masatake Iwasaki via aw)
-
-    HADOOP-11625. Minor fixes to command manual & SLA doc (aw)
-
-    HADOOP-11637. bash location hard-coded in shell scripts (aw)
-
-    HADOOP-10774. Update KerberosTestUtils for hadoop-auth tests when using
-    IBM Java (sangamesh via aw)
-
-    HADOOP-11653. shellprofiles should require .sh extension
-    (Brahma Reddy Battula via aw)
-
-    HADOOP-11668. hadoop-daemons.sh bw compat broke with --slaves change
-    (Vinayakumar B via aw)
-
-    HADOOP-11703. git should ignore .DS_Store files on Mac OS X (Abin Shahab
-    via aw)
-
-    HADOOP-11797. releasedocmaker.py needs to put ASF headers on output (aw)
-
-    HADOOP-11865. Incorrect path mentioned in document for accessing script
-    files (J.Andreina via aw)
-
-    HADOOP-11775. Fix Javadoc typos in hadoop-openstack module (Yanjun Wang
-    via aw)
-
-    HADOOP-9891. CLIMiniCluster instructions fail with MiniYarnCluster
-    ClassNotFoundException (Darrell Taylor via aw)
-
-    HADOOP-11406. xargs -P is not portable (Kengo Seki via aw)
-
-    HADOOP-11983. HADOOP_USER_CLASSPATH_FIRST works the opposite of what it is
-    supposed to do (Sangjin Lee via aw)
-
-    HADOOP-12022. fix site -Pdocs -Pdist in hadoop-project-dist; cleanout
-    remaining forrest bits (aw)
-
-    HADOOP-9905. remove dependency of zookeeper for hadoop-client (vinayakumarb)
-
-    HADOOP-11347. RawLocalFileSystem#mkdir and create should honor umask (Varun
-    Saxena via Colin P. McCabe)
-
-    HADOOP-12107. long running apps may have a huge number of StatisticsData
-    instances under FileSystem (Sangjin Lee via Ming Ma)
-
-    HADOOP-11762. Enable swift distcp to secure HDFS (Chen He via aw)
-
-    HADOOP-12009. Clarify FileSystem.listStatus() sorting order & fix
-    FileSystemContractBaseTest:testListStatus. (J.Andreina via jghoman)
-
-    HADOOP-12244. recover broken rebase during precommit (aw)
-
-    HADOOP-11942. Add links to SLGUserGuide to site index.
-    (Masatake Iwasaki via xyao)
-
-    HADOOP-12364. Deleting pid file after stop is causing the daemons to
-    keep restarting (Siqi Li via aw)
-
-    HADOOP-12515. Mockito dependency is missing in hadoop-kafka module.
-    (Kai Zheng via aajisaka)
-
-    HADOOP-12494. fetchdt stores the token based on token kind instead
-    of token service (HeeSoo Kim via aw)
-
-    HADOOP-12553. [JDK8] Fix javadoc error caused by illegal tag. (aajisaka)
-
-  OPTIMIZATIONS
-
-    HADOOP-7761. Improve the performance of raw comparisons. (todd)
-
-    HADOOP-8589. ViewFs tests fail when tests and home dirs are nested (sanjay Radia)
-
-    BREAKDOWN OF HADOOP-11264 SUBTASKS AND RELATED JIRAS (Common part of HDFS-7285)
-
-      HADOOP-11514. Raw Erasure Coder API for concrete encoding and decoding
-      (Kai Zheng via umamahesh)
-
-      HADOOP-11534. Minor improvements for raw erasure coders
-      ( Kai Zheng via vinayakumarb )
-
-      HADOOP-11541. Raw XOR coder
-      ( Kai Zheng )
-
-      HADOOP-11542. Raw Reed-Solomon coder in pure Java. Contributed by Kai Zheng
-      ( Kai Zheng )
-
-      HADOOP-11643. Define EC schema API for ErasureCodec. Contributed by Kai Zheng
-      ( Kai Zheng )
-
-      HADOOP-11646. Erasure Coder API for encoding and decoding of block group
-      ( Kai Zheng via vinayakumarb )
-
-      HADOOP-11705. Make erasure coder configurable. Contributed by Kai Zheng
-      ( Kai Zheng )
-
-      HADOOP-11706. Refine a little bit erasure coder API. Contributed by Kai Zheng
-      ( Kai Zheng )
-
-      HADOOP-11707. Add factory to create raw erasure coder. Contributed by Kai Zheng
-      ( Kai Zheng )
-
-      HADOOP-11647. Reed-Solomon ErasureCoder. Contributed by Kai Zheng
-      ( Kai Zheng )
-
-      HADOOP-11782 Correct two thrown messages in ECSchema class. Contributed by Xinwei Qin
-      ( Xinwei Qin via Kai Zheng )
-
-      HADOOP-11740. Combine erasure encoder and decoder interfaces (Zhe Zhang)
-
-      HADOOP-11805 Better to rename some raw erasure coders. Contributed by Kai Zheng
-      ( Kai Zheng )
-
-      HADOOP-11645. Erasure Codec API covering the essential aspects for an erasure code
-      ( Kai Zheng via vinayakumarb )
-
-      HADOOP-11818. Minor improvements for erasurecode classes. (Rakesh R via Kai Zheng)
-
-      HADOOP-11841. Remove unused ecschema-def.xml files.  (szetszwo)
-
-      HADOOP-11921. Enhance tests for erasure coders. (Kai Zheng via Zhe Zhang)
-
-      HADOOP-11920. Refactor some codes for erasure coders. (Kai Zheng via Zhe Zhang)
-
-      HADOOP-11566. Add tests and fix for erasure coders to recover erased parity
-      units. (Kai Zheng via Zhe Zhang)
-
-      HADOOP-11938. Enhance ByteBuffer version encode/decode API of raw erasure
-      coder. (Kai Zheng via Zhe Zhang)
-
-      HADOOP-12013. Generate fixed data to perform erasure coder test. (Kai Zheng)
-
-      HADOOP-12029. Remove chunkSize from ECSchema as its not required for coders
-      (vinayakumarb)
-
-      HADOOP-11847. Enhance raw coder allowing to read least required inputs in decoding.
-      (Kai Zheng)
-
-      HADOOP-12011. Allow to dump verbose information to ease debugging in raw erasure coders
-      (Kai Zheng)
-
-      HADOOP-12065. Using more meaningful keys in EC schema. (Kai Zheng)
-
-      HADOOP-12060. Fix ByteBuffer usage for raw erasure coders. (Kai Zheng via
-      jing9)
-
-      HADOOP-11921. Enhance tests for erasure coders. (Kai Zheng)
-
-      HADOOP-12327. Initialize output buffers with ZERO bytes in erasure coder.
-      (Kai Zheng via waltersu4549)
-
-      HADOOP-12047. Indicate preference not to affect input buffers during
-      coding in erasure coder. (Kai Zheng via waltersu4549)
-
-      HADOOP-12544. Erasure Coding: create dummy raw coder to isolate performance
-      issues in testing. (Rui Li via zhz)
-
-Release 2.8.0 - UNRELEASED
-
-  INCOMPATIBLE CHANGES
-
-    HADOOP-11746. rewrite test-patch.sh (aw)
-
-    HADOOP-12416. Trash messages should be handled by Logger instead of being
-    delivered on System.out. (Mingliang Liu via aajisaka)
-
-  NEW FEATURES
-
-    HADOOP-11226. Add a configuration to set ipc.Client's traffic class with
-    IPTOS_LOWDELAY|IPTOS_RELIABILITY. (Gopal V via ozawa)
-
-    HADOOP-9477. Add posixGroups support for LDAP groups mapping service.
-    (Dapeng Sun via Yongjun Zhang)
-
-    HADOOP-11843. Make setting up the build environment easier.
-    (Niels Basjes via cnauroth)
-
-    HADOOP-11949. Add user-provided plugins to test-patch (Sean Busbey via aw)
-
-    HADOOP-8934. Shell command ls should include sort options (Jonathan Allen
-    via aw)
-
-    HADOOP-10971. Add -C flag to make `hadoop fs -ls` print filenames only.
-    (Kengo Seki via aajisaka)
-
-    HADOOP-5732. Add SFTP FileSystem. (Ramtin Boustani and Inigo Goiri via
-    cdouglas)
-
-    HADOOP-12360. Create StatsD metrics2 sink. (Dave Marion via stevel)
-
-    HADOOP-10300. Allowed deferred sending of call responses. (Daryn Sharp via
-    yliu)
-
-  IMPROVEMENTS
-
-    HADOOP-12458. Retries is typoed to spell Retires in parts of
-    hadoop-yarn and hadoop-common
-    (Neelesh Srinivas Salian via harsh)
-
-    HADOOP-12271. Hadoop Jar Error Should Be More Explanatory
-    (Josh Elser via harsh)
-
-    HADOOP-6842. "hadoop fs -text" does not give a useful text representation
-    of MapWritable objects (Akira Ajisaka via bobby)
-
-    HADOOP-11719. [Fsshell] Remove bin/hadoop reference from
-    GenericOptionsParser default help text.
-    (Brahma Reddy Battula via harsh)
-
-    HADOOP-11692. Improve authentication failure WARN message to avoid user
-    confusion. (Yongjun Zhang)
-
-    HADOOP-11659. o.a.h.fs.FileSystem.Cache#remove should use a single hash map
-    lookup. (Brahma Reddy Battula via aajisaka)
-
-    HADOOP-11709. Time.NANOSECONDS_PER_MILLISECOND - use class-level final
-    constant instead of method variable (Ajith S via ozawa)
-
-    HADOOP-11447. Add a more meaningful toString method to SampleStat and 
-    MutableStat. (kasha)
-
-    HADOOP-11737. mockito's version in hadoop-nfs’ pom.xml shouldn't be
-    specified. (Kengo Seki via ozawa)
-
-    HADOOP-11741. Add LOG.isDebugEnabled() guard for some LOG.debug().
-    (Walter Su via ozawa)
-
-    HADOOP-11660. Add support for hardware crc of HDFS checksums on ARM aarch64
-    architecture (Edward Nevill via Colin P. McCabe)
-
-    HADOOP-9805. Refactor RawLocalFileSystem#rename for improved testability.
-    (Jean-Pierre Matsumoto via cnauroth)
-
-    HADOOP-11717. Support JWT tokens for web single sign on to the Hadoop
-    servers. (Larry McCay via omalley)
-
-    HADOOP-11814. Reformat hadoop-annotations, o.a.h.classification.tools.
-    (Li Lu via wheat9)
-
-    HADOOP-7713. dfs -count -q should label output column (Jonathan Allen
-    via aw)
-
-    HADOOP-11819. HttpServerFunctionalTest#prepareTestWebapp should create web
-    app directory if it does not exist. (Rohith via vinayakumarb)
-
-    HADOOP-11827. Speed-up distcp buildListing() using threadpool
-    (Zoran Dimitrijevic via raviprak)
-
-    HADOOP-10597. RPC Server signals backoff to clients when all request
-    queues are full. (Ming Ma via Arpit Agarwal)
-
-    HADOOP-11357. Print information of the build enviornment in test-patch.sh
-    (aw)
-
-    HADOOP-11328. ZKFailoverController does not log Exception when doRun raises
-    errors. (Tianyin Xu via ozawa)
-
-    HADOOP-11120. hadoop fs -rmr gives wrong advice. (Juliet Hougland via wang)
-
-    HADOOP-11911. test-patch should allow configuration of default branch
-    (Sean Busbey via aw)
-
-    HADOOP-11917. test-patch.sh should work with ${BASEDIR}/patchprocess
-    setups (aw)
-
-    HADOOP-11925. backport trunk's smart-apply-patch.sh to branch-2 (aw)
-
-    HADOOP-11906. test-patch.sh should use 'file' command for patch
-    determinism (Sean Busbey via aw)
-
-    HADOOP-11950. Add cli option to test-patch to set the project-under-test
-    (Sean Busbey via aw)
-
-    HADOOP-11948. test-patch's issue matching regex should be configurable.
-    (Sean Busbey via aw)
-
-    HADOOP-9723. Improve error message when hadoop archive output path already
-    exists. (Jean-Baptiste Onofré and Yongjun Zhang via aajisak)
-
-    HADOOP-11713. ViewFileSystem should support snapshot methods.
-    (Rakesh R via cnauroth)
-
-    HADOOP-11960. Enable Azure-Storage Client Side logging.
-    (Dushyanth via cnauroth)
-
-    HADOOP-11939. Deprecate DistCpV1 and Logalyzer.
-    (Brahma Reddy Battula via aajisaka)
-
-    HADOOP-11884. test-patch.sh should pull the real findbugs version
-    (Kengo Seki via aw)
-
-    HADOOP-11944. add option to test-patch to avoid relocating patch process
-    directory (Sean Busbey via aw)
-
-    HADOOP-1540. Support file exclusion list in distcp. (Rich Haase via jing9)
-
-    HADOOP-11103. Clean up RemoteException (Sean Busbey via vinayakumarb)
-
-    HADOOP-11995. Make jetty version configurable from the maven command line.
-    (Sriharsha Devineni via wheat9)
-
-    HADOOP-10366. Add whitespaces between classes for values in
-    core-default.xml to fit better in browser.
-    (kanaka kumar avvaru via aajisaka)
-
-    HADOOP-11594. Improve the readability of site index of documentation.
-    (Masatake Iwasaki via aajisaka)
-
-    HADOOP-12030. test-patch should only report on newly introduced
-    findbugs warnings. (Sean Busbey via aw)
-
-    HADOOP-11894. Bump the version of Apache HTrace to 3.2.0-incubating
-    (Masatake Iwasaki via Colin P. McCabe)
-
-    HADOOP-12043. Display warning if defaultFs is not set when running fs
-    commands. (Lei Xu via wang)
-
-    HADOOP-12037. Fix wrong classname in example configuration of hadoop-auth
-    documentation. (Masatake Iwasaki via wang)
-
-    HADOOP-12059. S3Credentials should support use of CredentialProvider.
-    (Sean Busbey via wang)
-
-    HADOOP-12056. Use DirectoryStream in DiskChecker#checkDirs to detect
-    errors when listing a directory. (Zhihai Xu via wang)
-
-    HADOOP-12055. Deprecate usage of NativeIO#link. (Andrew Wang via cnauroth)
-
-    HADOOP-11971. Move test utilities for tracing from hadoop-hdfs to
-    hadoop-common. (Masatake Iwasaki via aajisaka)
-
-    HADOOP-11965. determine-flaky-tests needs a summary mode.
-    (Yufei Gu via Yongjun Zhang)
-
-    HADOOP-11958. MetricsSystemImpl fails to show backtrace when an error
-    occurs (Jason Lowe via jeagles)
-
-    HADOOP-12158. Improve error message in
-    TestCryptoStreamsWithOpensslAesCtrCryptoCodec when OpenSSL is not
-    installed. (wang)
-
-    HADOOP-12124. Add HTrace support for FsShell (cmccabe)
-
-    HADOOP-12171. Shorten overly-long htrace span names for server (cmccabe)
-
-    HADOOP-12045. Enable LocalFileSystem#setTimes to change atime.
-    (Kazuho Fujii via cnauroth)
-
-    HADOOP-11974. Fix FIONREAD #include on Solaris (Alan Burlison via Colin P.
-    McCabe)
-
-    HADOOP-12193. Rename Touchz.java to Touch.java. (wang)
-
-    HADOOP-12195. Add annotation to package-info.java file to workaround
-    MCOMPILER-205. (wang)
-
-    HADOOP-12201. Add tracing to FileSystem#createFileSystem and Globber#glob
-    (cmccabe)
-
-    HADOOP-12180. Move ResourceCalculatorPlugin from YARN to Common. 
-    (Chris Douglas via kasha)
-
-    HADOOP-12210. Collect network usage on the node (Robert Grandl via cdouglas)
-
-    HADOOP-12211. Collect disk usage on the node (Robert Grandl via cdouglas)
-
-    HADOOP-12153. ByteBufferReadable doesn't declare @InterfaceAudience and
-    @InterfaceStability. (Brahma Reddy Battula via ozawa)
-
-    HADOOP-11893. Mark org.apache.hadoop.security.token.Token as
-    @InterfaceAudience.Public. (Brahma Reddy Battula via stevel)
-
-    HADOOP-12081. Fix UserGroupInformation.java to support 64-bit zLinux.
-    (aajisaka)
-
-    HADOOP-12214. Parse 'HadoopArchive' commandline using cli Options.
-    (vinayakumarb)
-
-    HADOOP-12184. Remove unused Linux-specific constants in NativeIO (Martin
-    Walsh via Colin P. McCabe)
-
-    HADOOP-12161. Add getStoragePolicy API to the FileSystem interface.
-    (Brahma Reddy Battula via Arpit Agarwal)
-
-    HADOOP-12189. Improve CallQueueManager#swapQueue to make queue elements
-    drop nearly impossible. (Zhihai Xu via wang)
-
-    HADOOP-12259. Utility to Dynamic port allocation (brahmareddy via rkanter)
-
-    HADOOP-12170. hadoop-common's JNIFlags.cmake is redundant and can be
-    removed (Alan Burlison via Colin P. McCabe)
-
-    HADOOP-11807. add a lint mode to releasedocmaker (ramtin via aw)
-
-    HADOOP-12183. Annotate the HTrace span created by FsShell with the
-    command-line arguments passed by the user (Masatake Iwasaki via Colin P.
-    McCabe)
-
-    HADOOP-12318. Expose underlying LDAP exceptions in SaslPlainServer. (Mike
-    Yoder via atm)
-
-    HADOOP-9891. CLIMiniCluster instructions fail with MiniYarnCluster
-    ClassNotFoundException (Darrell Taylor via aw)
-
-    HADOOP-12295. Improve NetworkTopology#InnerNode#remove logic. (yliu)
-
-    HADOOP-12050. Enable MaxInactiveInterval for hadoop http auth token
-    (hzlu via benoyantony)
-
-    HADOOP-12325. RPC Metrics : Add the ability track and log slow RPCs.
-    (Anu Engineer via xyao)
-
-    HADOOP-12368. Mark ViewFileSystemBaseTest and ViewFsBaseTest as abstract.
-    (wang)
-
-    HADOOP-12367. Move TestFileUtil's test resources to resources folder.
-    (wang via yliu)
-
-    HADOOP-12369. Point hadoop-project/pom.xml java.security.krb5.conf
-    within target folder. (wang)
-
-    HADOOP-12358. Add -safely flag to rm to prompt when deleting many files.
-    (xyao via wang)
-
-    HADOOP-12384. Add "-direct" flag option for fs copy so that user can choose
-    not to create "._COPYING_" file (J.Andreina via vinayakumarb)
-
-    HADOOP-12324. Better exception reporting in SaslPlainServer.
-    (Mike Yoder via stevel)
-
-    HADOOP-12404. Disable caching for JarURLConnection to avoid sharing
-    JarFile with other users when loading resource from URL in Configuration
-    class. (zxu)
-
-    HADOOP-12428. Fix inconsistency between log-level guards and statements.
-    (Jagadesh Kiran N and Jackie Chang via ozawa)
-
-    HADOOP-12446. Undeprecate createNonRecursive() (Ted Yu via kihwal)
-
-    HADOOP-12452. Fix tracing documention reflecting the update to htrace-4
-    (Masatake Iwasaki via Colin P. McCabe)
-
-    HADOOP-12350. WASB Logging: Improve WASB Logging around deletes, reads and
-    writes (Dushyanth via cnauroth)
-
-    HADOOP-11104. org.apache.hadoop.metrics2.lib.MetricsRegistry needs numerical
-    parameter checking. (Ray Chiang via aajisaka)
-
-    HADOOP-12344. Improve validateSocketPathSecurity0 error message (Casey
-    Brotherton via Colin P. McCabe)
-
-    HADOOP-10775. Shell operations to fail with meaningful errors on windows if
-    winutils.exe not found. (stevel)
-
-    HADOOP-12481. JWTRedirectAuthenticationHandler doesn't Retain Original Query
-    String (Larry McCay via cnauroth)
-
-    HADOOP-12460. Add overwrite option for 'get' shell command
-    (Jagadesh Kiran N via vinayakumarb)
-
-    HADOOP-10406. TestIPC.testIpcWithReaderQueuing may fail. (Xiao Chen via wang)
-
-    HADOOP-9692. Improving log message when SequenceFile reader throws
-    EOFException on zero-length file. (Zhe Zhang and Chu Tong via ozawa)
-
-    HADOOP-7266. Deprecate metrics v1. (Akira AJISAKA via ozawa)
-
-    HADOOP-12472. Make GenericTestUtils.assertExceptionContains robust.
-    (Steve Loughran via jing9)
-
-    HADOOP-12514. Make static fields in GenericTestUtils for
-    assertExceptionContains() package-private and final.
-    (Mingliang Liu via stevel)
-
-    HADOOP-12520. Use XInclude in hadoop-azure test configuration to isolate
-    Azure Storage account keys for service integration tests. (cnauroth)
-
-    HADOOP-11685. StorageException complaining " no lease ID" during HBase
-    distributed log splitting (Duo Xu via cnauroth)
-
-    HADOOP-12040. Adjust inputs order for the decode API in raw erasure coder.
-    (Kai Zheng via yliu)
-
-    HADOOP-11684. S3a to use thread pool that blocks clients. (Thomas Demoor
-    and Aaron Fabbri via lei)
-
-  OPTIMIZATIONS
-
-    HADOOP-11785. Reduce the number of listStatus operation in distcp
-    buildListing (Zoran Dimitrijevic via Colin P. McCabe)
-
-    HADOOP-11970. Replace uses of ThreadLocal<Random> with JDK7
-    ThreadLocalRandom.  (Sean Busbey via Colin P. McCabe)
-
-    HADOOP-11772. RPC Invoker relies on static ClientCache which has
-    synchronized(this) blocks. (wheat9)
-
-    HADOOP-11242. Record the time of calling in tracing span of
-    IPC server. (Masatake Iwasaki via aajisaka)
-
-    HADOOP-11885. hadoop-dist dist-layout-stitching.sh does not work with dash.
-    (wang)
-
-    HADOOP-12104. Migrate Hadoop Pipes native build to new CMake framework
-    (alanburlison via cmccabe)
-
-    HADOOP-12036. Consolidate all of the cmake extensions in one directory
-    (alanburlison via cmccabe)
-
-    HADOOP-12112. Make hadoop-common-project Native code -Wall-clean
-    (alanburlison via cmccabe)
-
-    HADOOP-12172. FsShell mkdir -p makes an unnecessary check for the existence
-    of the parent. (cnauroth)
-
-    HADOOP-12194. Support for incremental generation in the protoc plugin.
-    (wang)
-
-    HADOOP-11878. FileContext#fixRelativePart should check for not null for a
-    more informative exception. (Brahma Reddy Battula via kasha)
-
-    HADOOP-11984. Enable parallel JUnit tests in pre-commit.
-    (Chris Nauroth via vinayakumarb)
-
-    HADOOP-12450. UserGroupInformation should not log at WARN level if no groups
-    are found. (Elliott Clark via stevel)
-
-  BUG FIXES
-
-    HADOOP-12374. Updated expunge command description.
-    (WeiWei Yang via eyang)
-
-    HADOOP-12352. Delay in checkpointing Trash can leave trash for 2 intervals
-    before deleting (Casey Brotherton via harsh)
-
-    HADOOP-11568. Description on usage of classpath in hadoop command is
-    incomplete. ( Archana T via vinayakumarb )
-
-    HADOOP-10027. *Compressor_deflateBytesDirect passes instance instead of
-    jclass to GetStaticObjectField. (Hui Zheng via cnauroth)
-
-    HADOOP-11724. DistCp throws NPE when the target directory is root.
-    (Lei Eddy Xu via Yongjun Zhang) 
-
-    HADOOP-11760. Fix typo of javadoc in DistCp. (Brahma Reddy Battula via
-    ozawa).
-
-    HADOOP-11800. Clean up some test methods in TestCodec.java.
-    (Brahma Reddy Battula via aajisaka)
-
-    HADOOP-11811. Fix typos in hadoop-project/pom.xml and TestAccessControlList.
-    (Brahma Reddy Battula via ozawa)
-
-    HADOOP-11704. DelegationTokenAuthenticationFilter must pass ipaddress
-    instead of hostname to ProxyUsers#authorize (Anubhav Dhoot via asuresh)
-
-    HADOOP-11846 TestCertificateUtil.testCorruptPEM failing on Jenkins JDK8.
-    (Larry McCay via stevel)
-
-    HADOOP-11859. PseudoAuthenticationHandler fails with httpcomponents v4.4.
-    (Eugene Koifman via jitendra)
-
-    HADOOP-11848. Incorrect arguments to sizeof in DomainSocket.c
-    (Malcolm Kavalsky via Colin P. McCabe)
-
-    HADOOP-11861. test-patch.sh rewrite addendum patch.
-    (Allen Wittenauer via cnauroth)
-
-    HADOOP-11864. JWTRedirectAuthenticationHandler breaks java8 javadocs.
-    (Larry McCay via stevel)
-
-    HADOOP-11876. Refactor code to make it more readable, minor
-    maybePrintStats bug (Zoran Dimitrijevic via raviprak)
-
-    HADOOP-11870. [JDK8] AuthenticationFilter, CertificateUtil,
-    SignerSecretProviders, KeyAuthorizationKeyProvider Javadoc issues (rkanter)
-
-    HADOOP-11881. test-patch.sh javac result is wildly wrong (Kengo Seki via
-    aw)
-
-    HADOOP-11821. Fix findbugs warnings in hadoop-sls.
-    (Brahma Reddy Battula via aajisaka)
-
-    HADOOP-11866. increase readability and reliability of checkstyle,
-    shellcheck, and whitespace reports (aw)
-
-    HADOOP-11889. Make checkstyle runnable from root project
-    (Gera Shegalov via jeagles)
-
-    HADOOP-11900. Add failIfNoTests=false to hadoop-build-tools pom. (gera)
-
-    HADOOP-11916. TestStringUtils#testLowerAndUpperStrings failed on MAC
-    due to a JVM bug. (Ming Ma via ozawa)
-
-    HADOOP-11904. test-patch.sh goes into an infinite loop on non-maven
-    builds (aw)
-
-    HADOOP-11926. test-patch.sh mv does wrong math (aw)
-
-    HADOOP-11912. Extra configuration key used in TraceUtils should respect
-    prefix (Masatake Iwasaki via Colin P. McCabe)
-
-    HADOOP-10387. Misspelling of threshold in log4j.properties for tests in
-    hadoop-common-project. (Brahma Reddy Battula via aajisaka)
-
-    HADOOP-11936. Dockerfile references a removed image (aw)
-
-    HADOOP-11922. Misspelling of threshold in log4j.properties for tests
-    in hadoop-tools (Gabor Liptak via vinayakumarb)
-
-    HADOOP-11877. SnappyDecompressor's Logger class name is wrong
-    (surendra singh lilhore via vinayakumarb)
-
-    HADOOP-10356. Corrections in winutils/chmod.c. (Rene Nyffenegger via
-    Arpit Agarwal)
-
-    HADOOP-7165. listLocatedStatus(path, filter) is not redefined in FilterFs
-    (Hairong Kuang via jlowe)
-
-    HADOOP-9729. The example code of org.apache.hadoop.util.Tool is incorrect
-    (hellojinjie via jlowe)
-
-    HADOOP-11928. Test-patch check for @author tags incorrectly flags
-    removal of @author tags (Kengo Seki via aw)
-
-    HADOOP-11951. test-patch should give better info about failures to handle
-    dev-support updates without resetrepo option (Sean Busbey via aw)
-
-    HADOOP-11947. test-patch should return early from determine-issue when
-    run in jenkins mode. (Sean Busbey via aw)
-
-    HADOOP-11962. Sasl message with MD5 challenge text shouldn't be LOG out
-    even in debug level. (Junping Du via wheat9)
-
-
-    HADOOP-8174. Remove confusing comment in Path#isAbsolute()
-    (Suresh Srinivas via vinayakumarb)
-
-    HADOOP-11988. Fix typo in the document for hadoop fs -find.
-    (Kengo Seki via aajisaka)
-
-    HADOOP-10582. Fix the test case for copying to non-existent dir in
-    TestFsShellCopy. (Kousuke Saruta via aajisaka)
-
-    HADOOP-11581. Multithreaded correctness Warnings
-    #org.apache.hadoop.fs.shell.Ls (Brahma Reddy Battula via aw)
-
-    HADOOP-11963. Metrics documentation for FSNamesystem misspells
-    PendingDataNodeMessageCount. (Anu Engineer via cnauroth)
-
-    HADOOP-12000. cannot use --java-home in test-patch (aw)
-
-    HADOOP-12014. hadoop-config.cmd displays a wrong error message.
-    (Kengo Seki via aajisaka)
-
-    HADOOP-11955. Fix a typo in the cluster setup doc.
-    (Yanjun Wang via aajisaka)
-
-    HADOOP-11743. maven doesn't clean all the site files
-    (ramtin via vinayakumarb)
-
-    HADOOP-11927.  Fix "undefined reference to dlopen" error when compiling
-    libhadooppipes (Xianyin Xin via Colin P. McCabe)
-
-    HADOOP-8751. NPE in Token.toString() when Token is constructed using null
-    identifier. (kanaka kumar avvaru via aajisaka)
-
-    HADOOP-12004. test-patch breaks with reexec in certain situations (Sean
-    Busbey via aw)
-
-    HADOOP-12035. shellcheck plugin displays a wrong version potentially
-    (Kengo Seki via aw)
-
-    HDFS-8429. Avoid stuck threads if there is an error in DomainSocketWatcher
-    that stops the thread.  (zhouyingchao via cmccabe)
-
-    HADOOP-11930. test-patch in offline mode should tell maven to be in
-    offline mode (Sean Busbey via aw)
-
-    HADOOP-11959. WASB should configure client side socket timeout in storage
-    client blob request options. (Ivan Mitic via cnauroth)
-
-    HADOOP-12042. Users may see TrashPolicy if hdfs dfs -rm is run
-    (Andreina J via vinayakumarb)
-
-    HADOOP-11991. test-patch.sh isn't re-executed even if smart-apply-patch.sh
-    is modified. (Kengo Seki via aajisaka)
-
-    HADOOP-12018. smart-apply-patch.sh fails if the patch edits CR+LF files
-    and is created by 'git diff --no-prefix'. (Kengo Seki via aajisaka)
-
-    HADOOP-12019. update BUILDING.txt to include python for 'mvn site'
-    in windows (vinayakumarb)
-
-    HADOOP-11994. smart-apply-patch wrongly assumes that git is infallible.
-    (Kengo Seki via Arpit Agarwal)
-
-    HADOOP-11924. Tolerate JDK-8047340-related exceptions in
-    Shell#isSetSidAvailable preventing class init. (Tsuyoshi Ozawa via gera)
-
-    HADOOP-12052 IPC client downgrades all exception types to IOE, breaks
-    callers trying to use them. (Brahma Reddy Battula via stevel)
-
-    HADOOP-12054. RPC client should not retry for InvalidToken exceptions.
-    (Varun Saxena via Arpit Agarwal)
-
-    HADOOP-12073. Azure FileSystem PageBlobInputStream does not return -1 on
-    EOF. (Ivan Mitic via cnauroth)
-
-    HADOOP-7817. RawLocalFileSystem.append() should give FSDataOutputStream
-    with accurate .getPos() (kanaka kumar avvaru via vinayakumarb)
-
-    HADOOP-12074. in Shell.java#runCommand() rethrow InterruptedException as
-    InterruptedIOException (Lavkesh Lahngir via vinayakumarb)
-
-    HADOOP-12001. Fixed LdapGroupsMapping to include configurable Posix UID and
-    GID attributes during the search. (Patrick White via vinodkv)
-
-    HADOOP-12095. org.apache.hadoop.fs.shell.TestCount fails.
-    (Brahma Reddy Battula via aajisaka)
-
-    HADOOP-12076. Incomplete Cache Mechanism in CredentialProvider API.
-    (Larry McCay via cnauroth)
-
-    HADOOP-12119. hadoop fs -expunge does not work for federated namespace
-    (J.Andreina via vinayakumarb)
-
-    HADOOP-12089. StorageException complaining " no lease ID" when updating
-    FolderLastModifiedTime in WASB. (Duo Xu via cnauroth)
-
-    HADOOP-12154. FileSystem#getUsed() returns the file length only from root '/'
-    (J.Andreina via vinayakumarb)
-
-    HADOOP-10798. globStatus() should always return a sorted list of files
-    (cmccabe)
-
-    HADOOP-12159. Move DistCpUtils#compareFs() to org.apache.hadoop.fs.FileUtil
-    and fix for HA namespaces (rchiang via rkanter)
-
-    HADOOP-12116. Fix unrecommended syntax usages in hadoop/hdfs/yarn script for
-    cygwin in branch-2. (Li Lu via cnauroth)
-
-    HADOOP-12164. Fix TestMove and TestFsShellReturnCode failed to get command
-    name using reflection. (Lei (Eddy) Xu)
-
-    HADOOP-12173. NetworkTopology::add calls toString always.
-    (Inigo Goiri via cdouglas)
-
-    HADOOP-12185. NetworkTopology is not efficient adding/getting/removing
-    nodes. (Inigo Goiri via cdouglas)
-
-    HADOOP-12117. Potential NPE from Configuration#loadProperty with
-    allowNullValueProperties set. (zhihai xu via vinayakumarb)
-
-    HADOOP-12200. TestCryptoStreamsWithOpensslAesCtrCryptoCodec should be
-    skipped in non-native profile. (Masatake Iwasaki via aajisaka)
-
-    HADOOP-10615. FileInputStream in JenkinsHash#main() is never closed.
-    (Chen He via ozawa)
-
-    HADOOP-12240. Fix tests requiring native library to be skipped in non-native
-    profile. (Masatake Iwasaki via ozawa)
-
-    HADOOP-12235 hadoop-openstack junit & mockito dependencies should be
-    "provided". (Ted Yu via stevel)
-
-    HADOOP-12209 Comparable type should be in FileStatus.
-    (Yong Zhang via stevel)
-
-    HADOOP-12088. KMSClientProvider uses equalsIgnoreCase("application/json").
-    (Brahma Reddy Battula via stevel)
-
-    HADOOP-11797. releasedocmaker.py needs to put ASF headers on output (aw)
-
-    HADOOP-12348. MetricsSystemImpl creates MetricsSourceAdapter with wrong
-    time unit parameter. (zxu via rkanter)
-
-    HADOOP-12087. [JDK8] Fix javadoc errors caused by incorrect or illegal
-    tags. (Akira AJISAKA via stevel).
-
-    HADOOP-12386. RetryPolicies.RETRY_FOREVER should be able to specify a 
-    retry interval. (Sunil G via wangda)
-
-    HADOOP-8436. NPE In getLocalPathForWrite ( path, conf ) when the
-    required context item is not configured
-    (Brahma Reddy Battula via harsh)
-
-    HADOOP-12252. LocalDirAllocator should not throw NPE with empty string
-    configuration. (Zhihai Xu)
-
-    HADOOP-11918. Listing an empty s3a root directory throws FileNotFound.
-    (Lei (Eddy) Xu via cnauroth)
-
-    HADOOP-12440. TestRPC#testRPCServerShutdown did not produce the desired
-    thread states before shutting down. (Xiao Chen via mingma)
-
-    HADOOP-12447. Clean up some htrace integration issues (cmccabe)
-
-    HADOOP-12448. TestTextCommand: use mkdirs rather than mkdir to create test
-    directory. (Contributed by Colin Patrick McCabe and Chris Nauroth)
-
-    HADOOP-10296. Incorrect null check in SwiftRestClient#buildException().
-    (Rahul Palamuttam and Kanaka Kumar Avvaru via aajisaka)
-
-    HADOOP-8437. getLocalPathForWrite should throw IOException for invalid
-    paths. (Brahma Reddy Battula via zxu)
-
-    HADOOP-11098. [JDK8] Max Non Heap Memory default changed between JDK7
-    and 8. (ozawa)
-
-    HADOOP-12284. UserGroupInformation doAs can throw misleading exception
-    (Aaron Dosset via stevel)
-
-    HADOOP-12449. TestDNS and TestNetUtils failing if no network. (stevel)
-
-    HADOOP-11515. Upgrade jsch lib to jsch-0.1.51 to avoid problems running
-    on java7. (stevel and ozawa)
-
-    HADOOP-12478. Shell.getWinUtilsPath() has been renamed
-    Shell.getWinutilsPath(). (stevel)
-
-    HADOOP-12475. Replace guava Cache with ConcurrentHashMap for caching
-    Connection in ipc Client (Walter Su via sjlee)
-
-    HADOOP-12479. ProtocMojo does not log the reason for a protoc compilation
-    failure. (cnauroth)
-
-    HADOOP-11628. SPNEGO auth does not work with CNAMEs in JDK8.
-    (Daryn Sharp via stevel).
-
-    HADOOP-10941. Proxy user verification NPEs if remote host is unresolvable.
-    (Benoy Antony via stevel).
-
-    HADOOP-12483. Maintain wrapped SASL ordering for postponed IPC responses.
-    (Daryn Sharp via yliu)
-
-    HADOOP-12513. Dockerfile lacks initial 'apt-get update'.
-    (Akihiro Suda via ozawa)
-
-    HADOOP-12457. [JDK8] Fix a failure of compiling common by javadoc.
-    (Akira AJISAKA via ozawa)
-
-    HADOOP-12178. NPE during handling of SASL setup if problem with SASL
-    resolver class. (Steve Loughran via zxu)
-
-    HADOOP-12519. hadoop-azure tests should avoid creating a metrics
-    configuration file in the module root directory. (cnauroth)
-
-    HADOOP-12533. Introduce FileNotFoundException in WASB for read and seek API.
-    (Dushyanth via cnauroth)
-
-    HADOOP-12508. delete fails with exception when lease is held on blob.
-    (Gaurav Kanade via cnauroth)
-
-    HADOOP-12542. TestDNS fails on Windows after HADOOP-12437. (cnauroth)
-
-    HADOOP-12540. TestAzureFileSystemInstrumentation#testClientErrorMetrics
-    fails intermittently due to assumption that a lease error will be thrown.
-    (Gaurav Kanade via cnauroth)
-
-    HADOOP-12482. Race condition in JMX cache update. (Tony Wu via lei)
-
-  OPTIMIZATIONS
-
-    HADOOP-12051. ProtobufRpcEngine.invoke() should use Exception.toString()
-    over getMessage() in logging/span events. (Varun Saxena via stevel)
-
-    HADOOP-12017. Hadoop archives command should use configurable replication
-    factor when closing (Bibin A Chundatt via vinayakumarb)
-
-    HADOOP-12239. StorageException complaining " no lease ID" when updating
-    FolderLastModifiedTime in WASB. (Duo Xu via cnauroth)
-
-    HADOOP-12245. References to misspelled REMAINING_QUATA in
-    FileSystemShell.md. (Gabor Liptak via aajisaka)
-
-    HADOOP-12175. FsShell must load SpanReceierHost to support tracing
-    (Masatake Iwasaki via Colin P. McCabe)
-
-    HADOOP-10945. 4-digit octal umask permissions throws a parse error (Chang
-    Li via jlowe)
-
-    HADOOP-7824. NativeIO.java flags and identifiers must be set correctly for
-    each platform, not hardcoded to their Linux values (Martin Walsh via Colin
-    P. McCabe)
-
-    HADOOP-12268. AbstractContractAppendTest#testRenameFileBeingAppended
-    misses rename operation. (Zhihai Xu)
-
-    HADOOP-12274. Remove direct download link from BULIDING.txt.
-    (Caleb Severn via aajisaka)
-
-    HADOOP-12302. Fix native compilation on Windows after HADOOP-7824
-    (Vinayakumar B via Colin P. McCabe)
-
-    HADOOP-12258. Need translate java.nio.file.NoSuchFileException to
-    FileNotFoundException to avoid regression. (Zhihai Xu via cnauroth)
-
-    HADOOP-12322. typos in rpcmetrics.java. (Anu Engineer via
-    Arpit Agarwal)
-
-    HADOOP-12317. Applications fail on NM restart on some linux distro
-    because NM container recovery declares AM container as LOST
-    (adhoot via rkanter)
-
-    HADOOP-12347. Fix mismatch parameter name in javadocs of
-    AuthToken#setMaxInactives (xyao)
-
-    HADOOP-12362. Set hadoop.tmp.dir and hadoop.log.dir in pom.
-    (Charlie Helin via wang)
-
-    HADOOP-10318. Incorrect reference to nodeFile in RumenToSLSConverter
-    error message. (Wei Yan via ozawa)
-
-    HADOOP-12388. Fix components' version information in the web page
-    'About the Cluster'. (Jun Gong via zxu)
-
-    HADOOP-12407. Test failing: hadoop.ipc.TestSaslRPC. (stevel)
-
-    HADOOP-12417. TestWebDelegationToken failing with port in use.
-    (Mingliang Liu via wheat9)
-
-    HADOOP-12438. Reset RawLocalFileSystem.useDeprecatedFileStatus in
-    TestLocalFileSystem. (Chris Nauroth via wheat9)
-
-    HADOOP-12437. Allow SecurityUtil to lookup alternate hostnames.
-    (Arpit Agarwal)
-
-    HADOOP-12442. Display help if the command option to 'hdfs dfs' is not valid
-    (nijel via vinayakumarb)
-
-    HADOOP-12441. Fixed shell-kill command behaviour to work correctly on some
-    Linux distributions after HADOOP-12317. (Wangda Tan via vinodkv)
-
-    HADOOP-12474. MiniKMS should use random ports for Jetty server by default.
-    (Mingliang Liu via wheat9)
-
-    HADOOP-12418. TestRPC.testRPCInterruptedSimple fails intermittently.
-    (kihwal)
-
-    HADOOP-12334. Change Mode Of Copy Operation of HBase WAL Archiving to bypass
-    Azure Storage Throttling after retries. (Gaurav Kanade via cnauroth)
-
-    HADOOP-12484. Single File Rename Throws Incorrectly In Potential Race
-    Condition Scenarios. (Gaurav Kanade via cnauroth)
-
->>>>>>> 0eb9c60... HADOOP-12482. Race condition in JMX cache update. (Tony Wu via lei)
 Release 2.7.3 - UNRELEASED
 
   INCOMPATIBLE CHANGES