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CHANGES.txt
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CHANGES.txt
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Hadoop Change Log
Release 1.1.0 - unreleased
INCOMPATIBLE CHANGES
HDFS-3044. fsck move should be non-destructive by default.
(Colin Patrick McCabe via eli)
HADOOP-8230. Enable sync by default and disable append. (eli)
NEW FEATURES
MAPREDUCE-3118. Backport Gridmix and Rumen features to
branch-0.20-security (Ravi Gummadi via amarrk)
HADOOP-7806. Support binding to sub-interfaces. (harsh, eli via eli)
HDFS-3150. Add option for clients to contact DNs via hostname. (eli)
HDFS-3148. The client should be able to use multiple local interfaces
for data transfer. (eli)
HDFS-3055. Implement recovery mode (Colin Patrick McCabe via todd)
HADOOP-8209. Add option to relax build-version check for branch-1. (eli)
IMPROVEMENTS
MAPREDUCE-3597. [Rumen] Provide a way to access other info of history file
from Rumen tool. (ravigummadi)
MAPREDUCE-2517. Add system tests to Gridmix. (Vinay Thota via amarrk)
MAPREDUCE-3008. [Gridmix] Improve cumulative CPU usage emulation for
short running tasks. (amarrk)
MAPREDUCE-2836. Provide option to fail jobs when submitted to
non-existent fair scheduler pools. (Ahmed Radwan via todd)
HDFS-2332. Add test for HADOOP-7629 (using an immutable FsPermission
object as an RPC parameter fails). (todd)
HADOOP-7509. Improve exception message thrown when Authentication is
required. (Ravi Prakash via suresh)
HADOOP-7745. Fix wrong variable name in exception message introduced
in HADOOP-7509. (Ravi Prakash via suresh)
MAPREDUCE-2957. The TT should not re-init if it has no good local dirs.
(eli)
MAPREDUCE-2850. Add test for MAPREDUCE-2413. (ravigummadi)
MAPREDUCE-3278. Fix a busy loop in ReduceTask that would cause 100%
cpu utilization during the fetch phase. (todd)
MAPREDUCE-3365. Expose the event-logging debug feature of
FairScheduler. (Sho Shimauchi via harsh)
MAPREDUCE-3395. Add mapred.disk.healthChecker.interval to
mapred-default.xml. (eli via harsh)
MAPREDUCE-3015. Add local dir failure info to metrics and the web UI. (eli)
MAPREDUCE-3394. Add log guard for a debug message in ReduceTask (todd)
MAPREDUCE-3419. Don't mark exited TT threads as dead in MiniMRCluster (eli)
MAPREDUCE-3424. Some LinuxTaskController cleanup (eli)
MAPREDUCE-2103. task-controller shouldn't require o-r permissions. (eli)
HDFS-2638. Improve a block recovery log. (eli)
HDFS-2654. Make BlockReaderLocal not extend RemoteBlockReader2. (eli)
HDFS-2547. Fix inaccuracy in ReplicationTargetChooser comments. (harsh)
MAPREDUCE-2919. The JT web UI should show job start times. (harsh)
HDFS-2741. Document the max transfer threads property for
branch-1. Backport of HDFS-1866. (Markus Jelsma via harsh)
HDFS-2872. Add sanity checks during edits loading that generation
stamps are non-decreasing. (Colin Patrick McCabe via eli)
MAPREDUCE-4001. Improve MAPREDUCE-3789's fix logic by looking at
job's slot demands instead. (harsh)
MAPREDUCE-2835. Make per-job counter limits configurable. (tomwhite)
HDFS-3131. Improve TestStorageRestore. (Brandon Li via atm)
HDFS-1378. Edit log replay should track and report file offsets in case of
errors. (atm and todd, backport by Colin Patrick McCabe via todd)
HDFS-3094. add -nonInteractive and -force option to namenode -format
command. (Arpit Gupta via todd)
HADOOP-6995. Allow wildcards to be used in ProxyUsers configurations
(todd via tucu)
BUG FIXES
MAPREDUCE-4087. [Gridmix] GenerateDistCacheData job of Gridmix can
become slow in some cases (ravigummadi)
HDFS-2305. Running multiple 2NNs can result in corrupt file system. (atm)
HADOOP-7634. Docs specify wrong owner for task-controller.cfg (eli)
HADOOP-7665. branch-0.20-security doesn't include SPNEGO settings in
core-default.xml (atm)
HADOOP-7666. branch-0.20-security doesn't include
o.a.h.security.TestAuthenticationFilter (atm)
HADOOP-7621. alfredo config should be in a file not readable by users (atm)
HADOOP-7653. tarball doesn't include .eclipse.templates.
(Jonathan Natkins via eli)
MAPREDUCE-2932. Missing instrumentation plugin class shouldn't
crash the TT startup per design. (harsh via eli)
HADOOP-7629. Allow immutable FsPermission objects to be used as IPC
parameters. (todd)
MAPREDUCE-3405. Fix compilation in contrib tests broken by commit
of MAPREDUCE-3015. (todd)
MAPREDUCE-2073. TestTrackerDistributedCacheManager should be
up-front about requirements on build environment. (todd)
HADOOP-7297. Remove docs for CN and BN, as they aren't present. (harsh)
HDFS-2541. For a sufficiently large value of blocks, the DN Scanner
may request a random number with a negative seed value. (harsh via eli)
MAPREDUCE-2377. task-controller fails to parse configuration if it
doesn't end in \n. (todd via eli)
MAPREDUCE-2905. Fix fair scheduler to prevent clumping of tasks when
assignmultiple is enabled. (todd)
MAPREDUCE-2376. test-task-controller fails if run as a userid < 1000.
(todd via eli)
HADOOP-7870. fix SequenceFile#createWriter with boolean
createParent arg to respect createParent. (Jon Hsieh via eli)
HADOOP-7879. DistributedFileSystem#createNonRecursive should also
incrementWriteOps statistics. (Jon Hsieh via todd)
HDFS-2637. The rpc timeout for block recovery is too low. (eli)
HADOOP-7898. Fix javadoc warnings in AuthenticationToken.java.
(suresh via eli)
HADOOP-7908. Fix three javadoc warnings on branch-1. (eli)
HDFS-2653. DFSClient should cache whether addrs are non-local when
short-circuiting is enabled. (eli)
HADOOP-7942. enabling clover coverage reports fails hadoop unit test
compilation. (jitendra)
HDFS-2728. Remove dfsadmin -printTopology from branch-1 docs since it does
not exist. (harsh)
HDFS-1910. NameNode should not save fsimage twice. (shv)
HDFS-2790. FSNamesystem.setTimes throws exception with wrong
configuration name in the message. (Arpit Gupta via eli)
HADOOP-7982. UserGroupInformation fails to login if thread's context
classloader can't load HadoopLoginModule. (todd)
HADOOP-7988. Upper case in hostname part of the principals doesn't
work with kerberos. (jitendra)
HDFS-2877. If locking of a storage dir fails, it will remove the other
NN's lock file on exit. (todd)
MAPREDUCE-3789. CapacityTaskScheduler shouldn't perform
unnecessary reservations, when used in heterogenous
environments. (harsh)
HDFS-2869. Fix an error in the webhdfs docs for the mkdir op (harsh)
HDFS-3008. Negative caching of local addrs doesn't work. (eli)
HDFS-3078. 2NN https port setting is broken (eli)
HADOOP-5836. Bug in S3N handling of directory markers using an object with
a trailing "/" causes jobs to fail. (Jagane Sundar, Ian Nowland via suresh)
MAPREDUCE-1740. NPE in getMatchingLevelForNodes when node locations are
variable depth (ahmed via tucu)
HADOOP-8154. DNS#getIPs shouldn't silently return the local host
IP for bogus interface names. (eli)
MAPREDUCE-3992. Reduce fetcher doesn't verify HTTP status code of response
(todd)
HADOOP-8159. NetworkTopology: getLeaf should check for invalid topologies.
(Colin Patrick McCabe via eli)
HDFS-3129. NetworkTopology: add test that getLeaf should check for
invalid topologies. (Colin Patrick McCabe via eli)
MAPREDUCE-4095. TestJobInProgress#testLocality uses a bogus topology.
(Colin Patrick McCabe via eli)
HDFS-3176. Use MD5MD5CRC32FileChecksum.readFields() in JsonUtil . (Kihwal
Lee via szetszwo)
HADOOP-8269. Fix some javadoc warnings on branch-1.
MAPREDUCE-3674. Invoked with no queueName request param, the
jobqueue_details.jsp injects a null queue name into schedulers. (harsh)
HADOOP-8314. HttpServer#hasAdminAccess should return false if authorization
is enabled but user is not authenticated. (tucu)
MAPREDUCE-4088. Task stuck in JobLocalizer prevented other tasks on the
same node from (Ravi Prakash via bobby)
Release 1.0.3 - 2012.05.07
NEW FEATURES
IMPROVEMENTS
MAPREDUCE-4017. Add jobname to jobsummary log (tgraves and Koji Noguchi
via bobby)
BUG FIXES
HADOOP-6924. Adds a directory to the list of directories to search for
the libjvm.so file. The new directory is found by running a 'find' command
and the first output is taken. This was done to handle the build of Hadoop
with IBM's JDK. (Stephen Watt, Guillermo Cabrera and ddas)
HADOOP-6941. Adds support for building Hadoop with IBM's JDK
(Stephen Watt, Eli and ddas)
HADOOP-8188. Fixes the build process to do with jsvc, with IBM's JDK
as the underlying jdk. (ddas)
HDFS-3127. Do not throw exceptions when FSImage.restoreStorageDirs()
fails. (Brandon Li via szetszwo)
MAPREDUCE-3377. Ensure OutputCommitter.checkOutputSpecs is called prior to
copying job.xml. (Jane Chen via acmurthy)
HADOOP-5528. Ensure BinaryPartitioner is present in mapred libs. (Klaas
Bosteels via acmurthy)
HADOOP-6963. In FileUtil.getDU(..), neither include the size of directories
nor follow symbolic links. (Ravi Prakash via szetszwo)
HADOOP-8251. Fix SecurityUtil.fetchServiceTicket after HADOOP-6941. (todd)
HADOOP-8293. Fix the Makefile.am for the native library to include the
JNI path. (omalley)
MAPREDUCE-4154. streaming MR job succeeds even if the streaming command
fails. (Devaraj Das via tgraves)
HDFS-119. Fix a bug in logSync(), which causes NameNode block forever.
(shv)
HADOOP-8294. IPC Connection becomes unusable even if server address
was temporarilly unresolvable. Backport of HADOOP-7428. (Kihwal Lee via
mattf)
HDFS-3310. Make sure that we abort when no edit log directories are left.
(Colin Patrick McCabe via eli)
MAPREDUCE-4207. Remove System.out.println() in FileInputFormat
(Kihwal Lee via harsh)
HDFS-3265. PowerPc Build error. (Kumar Ravi via mattf)
HDFS-1041. DFSClient.getFileChecksum(..) should retry if connection to
the first datanode fails. (szetszwo)
HADOOP-8338. Fix renew and cancel of RPC HDFS delegation tokens. (omalley)
HADOOP-8346. Makes oid changes to make SPNEGO work. Was broken due
to fixes introduced by the IBM JDK compatibility patch. (ddas)
HADOOP-8352. Regenerate configure scripts for the c++ compilation.
(omalley)
HDFS-3061. Cached directory size in INodeDirectory can get permanently
out of sync with computed size, causing quota issues; port of HDFS-1487.
(Kihwal Lee via mattf)
HADOOP-7381. FindBugs OutOfMemoryError. (Joep Rottinghuis via mattf)
HADOOP-8151. Error handling in snappy decompressor throws invalid
exceptions. (Matt Foley)
HDFS-3374. hdfs' TestDelegationToken fails intermittently with a race
condition. (Owen O'Malley via mattf)
MAPREDUCE-3857. Grep example ignores mapred.job.queue.name.
(Jonathan Eagles via mattf)
MAPREDUCE-1238. mapred metrics shows negative count of waiting maps and
reduces (tgraves via bobby)
MAPREDUCE-4003. log.index (No such file or directory) AND Task process
exit with nonzero status of 126. (Koji Noguchi via tgraves)
MAPREDUCE-4012. Hadoop Job setup error leaves no useful info to users
(when LinuxTaskController is used) (tgraves)
HADOOP-8027. Visiting /jmx on the daemon web interfaces may print unnecessary
error in logs (Aaron Myers and Hitesh Shah)
Release 1.0.2 - 2012.03.24
NEW FEATURES
HADOOP-7206. Support Snappy compression. (Issei Yoshida and
Alejandro Abdelnur via vinodkv).
HDFS-2701. Cleanup FS* processIOError methods. (eli)
HDFS-2978. The NameNode should expose name dir statuses via JMX. (atm)
IMPROVEMENTS
MAPREDUCE-3773. Add queue metrics with buckets for job run times. (omalley
via acmurthy)
HADOOP-1722. Allow hadoop streaming to handle non-utf8 byte array. (Klaas
Bosteels and Matthias Lehmann via acmurthy)
HADOOP-5450. Add support for application-specific typecodes to typed
bytes. (Klaas Bosteels via acmurthy)
HADOOP-8090. rename hadoop 64 bit rpm/deb package name. (Giridharan Kesavan
via mattf)
BUG FIXES
HADOOP-8050. Deadlock in metrics. (Kihwal Lee via mattf)
MAPREDUCE-3824. Distributed caches are not removed properly. (Thomas Graves
via mattf)
MAPREDUCE-3583. Change pid to String and stime to BigInteger in order to
avoid NumberFormatException caused by overflow. (Zhihong Yu via szetszwo)
HDFS-3006. In WebHDFS, when the return body is empty, set the Content-Type
to application/octet-stream instead of application/json. (szetszwo)
MAPREDUCE-764. Fix TypedBytesInput.readRaw to preserve custom type codes.
(Klaas Bosteels via acmurthy)
HDFS-2703. removedStorageDirs is not updated everywhere we remove
a storage dir. (eli)
HDFS-2702. A single failed name dir can cause the NN to exit. (eli)
HDFS-3075. Backport HADOOP-4885: Try to restore failed name-node storage
directories at checkpoint time. (Brandon Li via szetszwo)
HDFS-3101. Cannot read empty file using WebHDFS. (szetszwo)
MAPREDUCE-3851. Allow more aggressive action on detection of the jetty
issue (tgraves via bobby)
HADOOP-8088. User-group mapping cache incorrectly does negative caching on
transient failures (Kihwal Lee via bobby)
HADOOP-8132. 64bit secure datanodes do not start as the jsvc path is wrong
(Arpit Gupta via mattf)
HADOOP-8201. create the configure script for native compilation as part of
the build (Giri Kesavan via mattf)
Release 1.0.1 - 2012.02.14
NEW FEATURES
IMPROVEMENTS
MAPREDUCE-3607. Port missing new API mapreduce lib classes to
1.x. (tomwhite)
HADOOP-7987. Support setting the run-as user in unsecure mode. (jitendra)
HADOOP-7988. Upper case in hostname part of the principals doesn't
work with kerberos. (jitendra)
HDFS-2814. NamenodeMXBean does not account for svn revision in the version
information. (Hitesh Shah via jitendra)
HADOOP-7470. Move up to Jackson 1.8.8. (Enis Soztutar via szetszwo)
HDFS-2379. Allow block reports to proceed without holding FSDataset lock.
(todd via suresh)
HADOOP-8009. Create hadoop-client and hadoop-minicluster artifacts for
downstream projects. (Alejandro Abdelnur via mattf)
MAPREDUCE-3184. Add a thread to the TaskTracker which monitors for
spinning Jetty selector threads, and shuts down the daemon when one is
detected. (todd)
BUG FIXES
HADOOP-7960. Port HADOOP-5203 to branch-1, build version comparison is too
restrictive. (mattf)
HADOOP-7964. Deadlock in NetUtils and SecurityUtil class initialization.
(Daryn Sharp via suresh)
HADOOP-8010. hadoop-config.sh errors when HADOOP_HOME_WARN_SUPPRESS is set
to true and HADOOP_HOME is present. (Roman Shaposhnik via mattf)
HADOOP-8052. Hadoop Metrics2 should emit Float.MAX_VALUE (instead of
Double.MAX_VALUE) to avoid making Ganglia's gmetad core. (Varun Kapoor
via mattf)
MAPREDUCE-3343. TaskTracker Out of Memory because of distributed cache.
(Zhao Yunjiong).
HADOOP-8037. Binary tarball does not preserve platform info for
native builds, and RPMs fail to provide needed symlinks for
libhadoop.so. (Matt Foley)
Release 1.0.0 - 2011.12.15
NEW FEATURES
HDFS-2316. [umbrella] WebHDFS: a complete FileSystem implementation for
accessing HDFS over HTTP (szetszwo)
HDFS-2539. Support doAs and GETHOMEDIRECTORY in WebHDFS.
(szetszwo)
IMPROVEMENTS
HDFS-2427. Change the default permission in WebHDFS to 755 and add range
check/validation for all parameters. (szetszwo)
HDFS-2501. Add version prefix and root methods to WebHDFS. (szetszwo)
HADOOP-7728. Enable task memory management to be configurable in hadoop
config setup script. (ramya)
HDFS-2450. Filesystem supports path with both short names and FQDN.
(Daryn Sharp via suresh)
HDFS-617. Support for non-recursive create() in HDFS.
(Kan Zhang via jitendra)
HADOOP-6840. Support non-recursive create() in FileSystem &
SequenceFile.Writer. (Nicolas Spiegelberg via jitendra)
HADOOP-6886. LocalFileSystem Needs createNonRecursive API.
(Nicolas Spiegelberg via jitendra)
HADOOP-5124. A few optimizations to FsNamesystem#RecentInvalidateSets.
(Hairong Kuang via jitendra)
HADOOP-7664. Remove warmings when overriding final parameter configuration
if the override value is same as the final parameter value.
(Ravi Prakash via szetszwo)
HADOOP-7816. Allow HADOOP_HOME deprecated warning suppression based
on config specified in hadoop-env.sh (Dave Thompson via suresh)
MAPREDUCE-3169. Create a new MiniMRCluster equivalent which only provides
client APIs cross MR1 and MR2. (Ahmed via tucu)
HDFS-2552. Add Forrest doc for WebHDFS REST API. (szetszwo)
HDFS-2246. Shortcut a local client reads to a Datanodes files directly.
(Andrew Purtell, Suresh, Jitendra)
HADOOP-7804. Enable hadoop config generator to set configurations to enable
short circuit read. (Arpit Gupta via jitendra)
HDFS-2604. Add a log message to show if WebHDFS is enabled and a
configuration section in the forrest doc. (szetszwo)
HADOOP-7923. Update doc versions from 0.20 to 1.0, and automate the
updating of version numbers in the doc system. (szetszwo via mattf)
BUG FIXES
HDFS-2673. While Namenode processing the blocksBeingWrittenReport,
it will log incorrect number blocks count. (Uma Maheswara via mattf)
MAPREDUCE-3319. Hadoop example "multifilewc" broken in 0.20.205.0.
(Subroto Sanyal via mattf)
HDFS-2589. Remove unnecessary hftp token fetch and renewal thread.
(Daryn Sharp via mattf)
MAPREDUCE-3475. JT can't renew its own tokens. (Daryn Sharp via mattf)
HADOOP-7869. HADOOP_HOME warning happens all of the time (Owen O'Malley
via mattf)
HADOOP-7815. Fixed configuring map memory mb in hadoop-setup-conf.sh.
(Ramya Sunil)
HDFS-2346. TestHost2NodesMap & TestReplicasMap will fail depending
upon execution order of test methods. (Laxman and Uma Maheswara
Rao via Matt Foley)
MAPREDUCE-3374. src/c++/task-controller/configure is not set executable in
the tarball and that prevents task-controller from rebuilding.
(Roman Shaposhnik via Matt Foley)
HDFS-1943. Fail to start datanode while start-dfs.sh is executed by root
user. (Wei Yongjun's patch updated by Matt Foley)
HADOOP-7784. Fixed jsvc packaging. (Eric Yang)
HADOOP-7740. Fixed security audit logger configuration.
(Arpit Gupta via Eric Yang)
HADOOP-7765. Clean packaging working directory for Debian packaging.
(Eric Yang)
HDFS-2441. Remove the Content-Type set by HttpServer.QuotingInputFilter in
WebHDFS responses. (szetszwo)
HDFS-2428. Convert com.sun.jersey.api.ParamException$QueryParamException
to IllegalArgumentException and response it as http BAD_REQUEST in WebHDFS.
(szetszwo)
HDFS-2424. Added a root element "HdfsFileStatuses" for the response
of WebHDFS listStatus. (szetszwo)
HDFS-2439. Fix NullPointerException in WebHDFS when opening a non-existing
file or creating a file without specifying the replication parameter.
(szetszwo)
HDFS-2453. Fix http response code for partial content in WebHDFS, added
getDefaultBlockSize() and getDefaultReplication() in WebHdfsFileSystem
and cleared content type in ExceptionHandler. (szetszwo)
HDFS-2416. Distcp with a WebHDFS uri on a secure cluster fails. (jitendra)
HDFS-2494. Close the streams and DFSClient in DatanodeWebHdfsMethods.
(Uma Maheswara Rao G via szetszwo)
HDFS-2432. WebHDFS: response FORBIDDEN when setReplication on non-files;
clear umask before creating a flie; throw IllegalArgumentException if
setOwner with both owner and group empty; throw FileNotFoundException if
getFileStatus on non-existing files; fix bugs in getBlockLocations; and
changed getFileChecksum json response root to "FileChecksum". (szetszwo)
HDFS-2065. Add null checks in DFSClient.getFileChecksum(..). (Uma
Maheswara Rao G via szetszwo)
HDFS-2527. WebHDFS: remove the use of "Range" header in Open; use ugi
username if renewer parameter is null in GetDelegationToken; response OK
when setting replication for non-files; rename GETFILEBLOCKLOCATIONS to
GET_BLOCK_LOCATIONS and state that it is a private unstable API; replace
isDirectory and isSymlink with enum {FILE, DIRECTORY, SYMLINK} in
HdfsFileStatus JSON object. (szetszwo)
HDFS-2528. WebHDFS: set delegation kind to WEBHDFS and add a HDFS token
when http requests are redirected to datanode. (szetszwo)
HDFS-2540. WebHDFS: change "Expect: 100-continue" to two-step write; change
"HdfsFileStatus" and "localName" respectively to "FileStatus" and
"pathSuffix" in JSON response. (szetszwo)
HDFS-1257. Race condition on FSNamesystem#recentInvalidateSets introduced
by HADOOP-5124. (Eric Payne via jitendra)
HDFS-611. Heartbeats times from Datanodes increase when there are plenty of
blocks to delete. (Zheng Shao via jitendra)
HADOOP-7853. multiple javax security configurations cause conflicts.
(Daryn via jitendra)
HDFS-2590. Fix the missing links in the WebHDFS forrest doc. (szetszwo)
HADOOP-7854. UGI getCurrentUser is not synchronized. (Daryn Sharp
via jitendra)
HADOOP-7865. Test Failures in 1.0 hdfs/common. (jitendra)
MAPREDUCE-3480. Disable TestJvmReuse in branch-1. (jitendra)
HADOOP-7855. fix to remove datanode dir creation and attribute
setup from hadoop-conf-setup.sh (gkesavan)
HADOOP-7461. Fix to add jackson dependency to hadoop pom. (gkesavan)
Release 0.20.205.0 - 2011.10.06
NEW FEATURES
HDFS-2202. Add a new DFSAdmin command to set balancer bandwidth of
datanodes without restarting. (Eric Payne via szetszwo)
HDFS-200. Support append and sync for hadoop 0.20 branch. (dhruba)
HDFS-826. Allow a mechanism for an application to detect that
datanode(s) have died in the write pipeline. (dhruba)
HDFS-142. Blocks that are being written by a client are stored in the
blocksBeingWritten directory.
(Dhruba Borthakur, Nicolas Spiegelberg, Todd Lipcon via dhruba)
HDFS-630. Client can exclude specific nodes in the write pipeline.
(Nicolas Spiegelberg via dhruba)
HDFS-895. Allow hflush/sync to occur in parallel with new writes to
the file. (Todd Lipcon via hairong)
HDFS-1520. Lightweight NameNode operation recoverLease to trigger
lease recovery. (Hairong Kuang via dhruba)
MAPREDUCE-2764. Allow JobTracker to renew and cancel arbitrary token types,
including delegation tokens obtained via hftp. (omalley)
HADOOP-7119 add Kerberos HTTP SPNEGO authentication support to
Hadoop JT/NN/DN/TT web-consoles backport from Trunk (sanjay)
HDFS-2284. Add a new FileSystem, webhdfs://, for supporting write Http
access to HDFS. (szetszwo)
HDFS-2317. Support read access to HDFS in WebHDFS. (szetszwo)
HDFS-2338. Add configuration option to enable/disable WebHDFS.
(jitendra via szetszwo)
HDFS-2318. Provide authentication to WebHDFS using SPNEGO and delegation
tokens. (szetszwo)
HDFS-2340. Support getFileBlockLocations and getDelegationToken in WebHDFS.
(szetszwo)
HDFS-2348. Support getContentSummary and getFileChecksum in WebHDFS.
(szetszwo)
HDFS-2385. Support renew and cancel delegation tokens in WebHDFS.
(szetszwo)
MAPREDUCE-2777. Backport of MAPREDUCE-220 and MAPREDUCE-2469. Includes
adding cumulative CPU usage and total heap usage to task conters. (amarrk)
BUG FIXES
HDFS-2404. WebHDFS liststatus json response is not correct.
(Suresh Srinivas via mattf)
HDFS-2358. NPE when the default filesystem's uri has no authority.
(Daryn Sharp via mattf)
MAPREDUCE-3112. Calling hadoop cli inside mapreduce job leads to errors.
(Eric Yang via mattf)
HADOOP-7691. Hadoop deb pkg group id. (Eric Yang via mattf)
HADOOP-7685. Resolve issues with hadoop-common file hadoop-setup-conf.sh.
(Eric Yang and Devaraj K, via mattf)
HADOOP-7684. jobhistory server and secondarynamenode should have
init.d script for rpm and deb. (Eric Yang via mattf)
HADOOP-7683. remove hdfs-site.xml template has properties that are not used
in 0.20-security. (Arpit Gupta via mattf)
HADOOP-7603. Set default hdfs, mapred uid, and hadoop group gid for RPM
packages. (Eric Yang via mattf)
HADOOP-7681. log4j.properties is missing properties for security audit and
hdfs audit should be changed to info. (Arpit Gupta via mattf)
HADOOP-7679. log4j.properties templates must define
mapred.jobsummary.logger (Ramya Sunil via mattf)
HDFS-2325. Fuse-DFS fails to build on Hadoop 20.203.0
(Kihwal Lee via mattf)
HDFS-2342. add Jersey libraries to ivy.xml files in contrib, to fix
TestSleepJob and TestHdfsProxy. (Tsz Wo (Nicholas), SZE via mattf)
MAPREDUCE-2324. Removed usage of broken
ResourceEstimator.getEstimatedReduceInputSize to check against usable
disk-space on TaskTracker. (Robert Evans via acmurthy)
MAPREDUCE-2729. Ensure jobs with reduces which can't be launched due to
slow-start do not count for user-limits. (Sherry Chen via acmurthy)
HADOOP-6833. IPC leaks call parameters when exceptions thrown.
(Todd Lipcon via eli)
HADOOP-7400. Fix HdfsProxyTests fails when the -Dtest.build.dir
and -Dbuild.test is set a dir other than build dir (gkesavan)
MAPREDUCE-2650. back-port MAPREDUCE-2238 to 0.20-security.
(Sherry Chen via mahadev)
HDFS-2053. Bug in INodeDirectory#computeContentSummary warning
(Michael Noll via eli)
HDFS-2117. DiskChecker#mkdirsWithExistsAndPermissionCheck may
return true even when the dir is not created. (eli)
MAPREDUCE-2489. Jobsplits with random hostnames can make the
queue unusable. (Jeffrey Naisbitt via mahadev)
HDFS-2190. NN fails to start if it encounters an empty or malformed fstime
file. (atm)
HDFS-2259. DN web-UI doesn't work with paths that contain html. (eli)
HDFS-561. Fix write pipeline READ_TIMEOUT.
(Todd Lipcon via dhruba)
HDFS-606. Fix ConcurrentModificationException in invalidateCorruptReplicas.
(Todd Lipcon via dhruba)
HDFS-1118. Fix socketleak on DFSClient.
(Zheng Shao via dhruba)
HDFS-988. Fix bug where savenameSpace can corrupt edits log.
(Nicolas Spiegelberg via dhruba)
HDFS-1054. remove sleep before retry for allocating a block.
(Todd Lipcon via dhruba)
HDFS-1207. FSNamesystem.stallReplicationWork should be volatile.
(Todd Lipcon via dhruba)
HDFS-1141. completeFile does not check lease ownership.
(Todd Lipcon via dhruba)
HDFS-1204. Lease expiration should recover single files,
not entire lease holder (Sam Rash via dhruba)
HDFS-1346. DFSClient receives out of order packet ack. (hairong)
HDFS-1057. Concurrent readers hit ChecksumExceptions if following
a writer to very end of file (Sam Rash via dhruba)
HDFS-724. Use a bidirectional heartbeat to detect stuck
pipeline. (hairong)
HDFS-1555. Disallow pipelien recovery if a file is already being
lease recovered. (hairong)
HDFS-1554. New semantics for recoverLease. (hairong)
HADOOP-7596. Makes packaging of 64-bit jsvc possible. Has other
bug fixes to do with packaging. (Eric Yang via ddas)
HDFS-2309. TestRenameWhileOpen fails. (jitendra)
HDFS-2300. TestFileAppend4 and TestMultiThreadedSync failure. (jitendra)
HDFS-1122. client block verification may result in blocks in
DataBlockScanner prematurely. (Sam Rash via jitendra)
HADOOP-6722. NetUtils.connect should check that it hasn't connected a
socket to itself. (Todd Lipcon via suresh)
HDFS-1779. After NameNode restart , Clients can not read partial files
even after client invokes Sync. (Uma Maheswara Rao G via jitendra)
HDFS-1197. Blocks are considered "complete" prematurely after
commitBlockSynchronization or DN restart. (Todd Lipcon via jitendra)
HDFS-1218. Blocks recovered on startup should be treated with lower
priority during block synchronization. (Todd Lipcon via suresh)
HDFS-1186. DNs should interrupt writers at start of recovery.
(Todd Lipcon via suresh)
HDFS-1252. Fix TestDFSConcurrentFileOperations.
(Todd Lipcon via suresh).
HDFS-1260. Block lost when multiple DNs trying to recover it to different
genstamps. (Todd Lipcon via jitendra)
HADOOP-7626. Bugfix for a config generator (Eric Yang via ddas)
MAPREDUCE-2549. Fix resource leaks in Eclipse plugin. (Devaraj K via
acmurthy)
HDFS-2328. HFTP throws NPE if security is enabled locally, but not
remotely. (omalley)
HADOOP-7602. wordcount, sort etc on har files fails with NPE.
(John George via jitendra)
HADOOP-7625. Fix TestDelegationToken by having DFSClient set the service
correctly and having the test cases use the common jar. (omalley)
HADOOP-7644. Fix TestDelegationTokenRenewal and TestDelegationTokenFetcher
to use and test the new style renewers. (omalley)
HADOOP-7637. Fix to include FairScheduler configuration file in
RPM. (Eric Yang via ddas)
HADOOP-7633. Adds log4j.properties to the hadoop-conf dir on
deploy (Eric Yang via ddas)
HADOOP-7631. Fixes a config problem to do with running streaming jobs
(Eric Yang via ddas)
HADOOP-7630. Fixes hadoop-metrics2.properties to have a property
*.period set to a default value. (Eric Yang via ddas)
HADOOP-7615. Fixes to have contrib jars in the HADOOP_CLASSPATH
for the binary layout case. (Eric Yang via ddas)
HADOOP-7661. FileSystem.getCanonicalServiceName throws NPE for any
file system uri that doesn't have an authority. (jitendra)
HADOOP-7649. TestMapredGroupMappingServiceRefresh and
TestRefreshUserMappings fail after HADOOP-7625. (jitendra)
HADOOP-7658. Fix hadoop config template for secured and unsecured
installation (Eric Yang via gkesavan)
MAPREDUCE-3076. Annotate o.a.h.mapreduce.TestSleepJob with @Ignore since it
is not a junit test. (acmurthy via szetszwo)
HDFS-2331. Fix WebHdfsFileSystem compilation problems for a bug in JDK
version < 1.6.0_26. (Abhijit Suresh Shingate via szetszwo)
HADOOP-7645. HTTP auth tests requiring Kerberos infrastructure are not
disabled on branch-0.20-security. (jitendra)
HADOOP-7674. TestKerberosName fails in 20 branch. (jitendra)
HDFS-2333. Change DFSOutputStream back to package private, otherwise,
there are two SC_START_IN_CTOR findbugs warnings. (szetszwo)
HADOOP-7676. Enable hbase to run as hdfs user (gkesavan)
HDFS-2359. Fix NullPointerException in DataBlockScanner.
(Jonthan Eagles via suresh)
MAPREDUCE-3081. Fix for vaidya.sh to work with the new layout
(Suhas via gkesavan)
HDFS-2366. Initialize WebHdfsFileSystem.ugi in object construction.
(szetszwo)
HDFS-2361. hftp is broken. Fixed username checks in JspHelper. (jitendra)
HDFS-2375. Fix TestFileAppend4 failure. (suresh)
HDFS-2373. Commands using WebHDFS and hftp print unnecessary debug
info on the console with security enabled. (Arpit Gupta via suresh)
HADOOP-7610. Fix for hadoop debian package (Eric Yang via gkesavan)
HADOOP-7715. Removed unnecessary security logger configuration. (Eric Yang)
HADOOP-7711. Fixed recursive sourcing of HADOOP_OPTS environment
variables (Arpit Gupta via Eric Yang)
HDFS-2392. Dist with hftp is failing again. (Daryn Sharp via jitendra)
HDFS-2408. DFSClient#getNumCurrentReplicas is package private in 205 but
public in branch-0.20-append (stack via atm)
HADOOP-7721. dfs.web.authentication.kerberos.principal expects the full
hostname and does not replace _HOST with the hostname. (jitendra)
HDFS-2403. NamenodeWebHdfsMethods.generateDelegationToken(..) does not use
the renewer parameter. (szetszwo)
HADOOP-7724. Fixed hadoop-setup-conf.sh to put proxy user in
core-site.xml. (Arpit Gupta via Eric Yang)
HDFS-2411. With WebHDFS enabled in secure mode the auth to local mappings
are not being respected. (jitendra)
IMPROVEMENTS
MAPREDUCE-2928. MR-2413 improvements (Eli Collins via mattf)
HADOOP-7655. provide a small validation script that smoke tests
the installed cluster. (Arpit Gupta via mattf)
MAPREDUCE-2187. Reporter sends progress during sort/merge. (Anupam Seth via
acmurthy)
MAPREDUCE-2705. Implements launch of multiple tasks concurrently.
(Thomas Graves via ddas)
HADOOP-7343. Make the number of warnings accepted by test-patch
configurable to limit false positives. (Thomas Graves via cdouglas)
HDFS-1836. Thousand of CLOSE_WAIT socket. Contributed by Todd Lipcon,
ported to security branch by Bharath Mundlapudi. (via mattf)
HADOOP-7432. Back-port HADOOP-7110 to 0.20-security: Implement chmod
in NativeIO library. (Sherry Chen via mattf)
HADOOP-7314. Add support for throwing UnknownHostException when a host
doesn't resolve. Needed for MAPREDUCE-2489. (Jeffrey Naisbitt via mattf)
MAPREDUCE-2494. Make the distributed cache delete entires using LRU
priority (Robert Joseph Evans via mahadev)
HADOOP-6889. Make RPC to have an option to timeout - backport to
0.20-security. Unit tests updated to 17/Aug/2011 version.
(John George and Ravi Prakash via mattf)
MAPREDUCE-2780. Use a utility method to set service in token.
(Daryn Sharp via jitendra)
HADOOP-7472. RPC client should deal with IP address change.
(Kihwal Lee via suresh)
MAPREDUCE-2489. Jobsplits with random hostnames can make the queue unusable
(Jeffrey Naisbit via mahadev)
MAPREDUCE-2852. Jira for YDH bug 2854624. (Kihwal Lee via eli)
HDFS-1210. DFSClient should log exception when block recovery fails.
(Todd Lipcon via dhruba)
HDFS-1211. Block receiver should not log "rewind" packets at INFO level.
(Todd Lipcon)
HDFS-1164. TestHdfsProxy is failing. (Todd Lipcon)
HDFS-1202. DataBlockScanner throws NPE when updated before initialized.
(Todd Lipcon)
HADOOP-7539. merge hadoop archive goodness from trunk to .20 (John George
via mahadev)
HADOOP-7594. Support HTTP REST in HttpServer. (szetszwo)
HDFS-1242. Add test for appendFile() race solved in HDFS-142.
(Todd Lipcon via jitendra)
HDFS-2320. Make 0.20-append protocol changes compatible with
0.20-secuirty. (suresh)
MAPREDUCE-2610. Make QueueAclsInfo public. (Joep Rottinghuis via acmurthy)
MAPREDUCE-2915. Ensure LTC passes java.library.path. (Kihwal Lee via
acmurthy)
HADOOP-7599. Script improvements to setup a secure Hadoop cluster
(Eric Yang via ddas)
MAPREDUCE-2981. Backport FairScheduler from trunk. (Matei Zaharia via
acmurthy)
MAPREDUCE-1734. Undeprecate old API in branch-0.20-security. (Todd Lipcon
via acmurthy)
HDFS-2356. Support case insensitive query parameter names in WebHDFS.
(szetszwo)
HADOOP-7510. Add configurable option to use original hostname in token
instead of IP to allow server IP change. (Daryn Sharp via suresh)
HDFS-2368. Move SPNEGO conf properties from hdfs-default.xml to
hdfs-site.xml. (szetszwo)
HADOOP-7710. Added hadoop-setup-application.sh for creating
application directory (Arpit Gupta via Eric Yang)
HADOOP-7708. Fixed hadoop-setup-conf.sh to handle config file
consistently. (Eric Yang)
HADOOP-7707. Added toggle for dfs.support.append, WebHDFS and hadoop proxy
user to setup config script. (Arpit Gupta via Eric Yang)
HADOOP-7720. Added parameter for HBase user to setup config script.
(Arpit Gupta via Eric Yang)
HDFS-2395. Add a root element in the JSON responses of WebHDFS.
(szetszwo)
Release 0.20.204.0 - 2011-8-25
NEW FEATURES
HADOOP-6255. Create RPM and Debian packages for common. Changes deployment
layout to be consistent across the binary tgz, rpm, and deb. Adds setup