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CHANGES.txt
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Hadoop Change Log
Release 1.0.1 - 2012.02.12
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
scripts for easy one node cluster configuration and user creation.
(Eric Yang via omalley)
HADOOP-7324. Ganglia plugins for metrics v2. (Priyo Mustafi via llu)
BUG FIXES
MAPREDUCE-2804. Fixed a race condition in setting up the log directories
for tasks that are starting at the same time. (omalley)
MAPREDUCE-2846. Fixed a race condition in writing the log index file that
caused tasks to fail. (omalley)
MAPREDUCE-2651. Fix race condition in Linux task controller for
job log directory creation. (Bharath Mundlapudi via llu)
MAPREDUCE-2621. TestCapacityScheduler fails with "Queue "q1" does not
exist". (Sherry Chen via mahadev)
HADOOP-7475. Fix hadoop-setup-single-node.sh to reflect new layout. (eyang
via omalley)
HADOOP-7045. TestDU fails on systems with local file systems with
extended attributes. (eli)
MAPREDUCE-2495. exit() the TaskTracker when the distributed cache cleanup
thread dies. (Robert Joseph Evans via cdouglas)
HDFS-1878. TestHDFSServerPorts unit test failure - race condition
in FSNamesystem.close() causes NullPointerException without serious
consequence. (mattf)
MAPREDUCE-2452. Moves the cancellation of delegation tokens to a separate
thread. (ddas)
MAPREDUCE-2555. Avoid sprious logging from completedtasks. (Thomas Graves
via cdouglas)
MAPREDUCE-2451. Log the details from health check script at the
JobTracker. (Thomas Graves via cdouglas)
MAPREDUCE-2535. Fix NPE in JobClient caused by retirement. (Robert Joseph
Evans via cdouglas)
MAPREDUCE-2456. Log the reduce taskID and associated TaskTrackers with
failed fetch notifications in the JobTracker log.
(Jeffrey Naisbitt via cdouglas)
HDFS-2044. TestQueueProcessingStatistics failing automatic test due to
timing issues. (mattf)
HADOOP-7248. Update eclipse target to generate .classpath from ivy config.
(Thomas Graves and Tom White via cdouglas)
MAPREDUCE-2558. Add queue-level metrics 0.20-security branch (test fixes)
(Jeffrey Naisbitt via mahadev)
HADOOP-7364. TestMiniMRDFSCaching fails if test.build.dir is set to
something other than build/test. (Thomas Graves via mahadev)
HADOOP-7277. Add generation of run configurations to eclipse target.
(Jeffrey Naisbitt and Philip Zeyliger via cdouglas)
HADOOP-7373. Fix {start,stop}-{dfs,mapred} and hadoop-daemons.sh from
trying to use the wrong bin directory. (omalley)
HADOOP-7274. Fix typos in IOUtils. (Jonathan Eagles via cdouglas)
HADOOP-7369. Fix permissions in tarball for sbin/* and libexec/* (omalley)
MAPREDUCE-2479. Move distributed cache cleanup to a background task,
backporting MAPREDUCE-1568. (Robert Joseph Evans via cdouglas)
HADOOP-7356. Fix bin/hadoop scripts (eyang via omalley)
HADOOP-7272. Remove unnecessary security related info logs. (suresh)
MAPREDUCE-2514. Fix typo in TaskTracker ReinitTrackerAction log message.
(Jonathan Eagles via cdouglas)
HDFS-1906. Remove logging exception stack trace in client logs when one of
the datanode targets to read from is not reachable. (suresh)
MAPREDUCE-2490. Add logging to graylist and blacklist activity to aid
diagnosis of related issues. (Jonathan Eagles via cdouglas)
MAPREDUCE-2447. Fix Child.java to set Task.jvmContext sooner to avoid
corner cases in error handling. (Siddharth Seth via acmurthy)
MAPREDUCE-2429. Validate JVM in TaskUmbilicalProtocol. (Siddharth Seth via
acmurthy)
MAPREDUCE-2418. Show job errors in JobHistory page. (Siddharth Seth via
acmurthy)
HDFS-1592. At Startup, Valid volumes required in FSDataset doesn't
handle consistently with volumes tolerated. (Bharath Mundlapudi)
HDFS-1598. Directory listing on hftp:// does not show
.*.crc files. (szetszwo)
HDFS-1750. ListPathsServlet should not use HdfsFileStatus.getLocalName()
to get file name since it may return an empty string. (szetszwo)
HDFS-1758. Make Web UI JSP pages thread safe. (Tanping via suresh)
HDFS-1773. Do not show decommissioned datanodes, which are not in both
include and exclude lists, on web and JMX interfaces.
(Tanping Wang via szetszwo)
MAPREDUCE-2409. Distinguish distributed cache artifacts localized as
files, archives. (Siddharth Seth via cdouglas)
MAPREDUCE-118. Fix Job.getJobID() to get the new ID as soon as it's
assigned. (Amareshwari Sriramadasu and Dick King via cdouglas)
MAPREDUCE-2411. Force an exception when the queue has an invalid name or
its ACLs are misconfigured. (Dick King via cdouglas)
HDFS-1258. Clearing namespace quota on "/" corrupts fs image.
(Aaron T. Myers via szetszwo)
HDFS-1189. Quota counts missed between clear quota and set quota.
(John George via szetszwo)
HDFS-1692. In secure mode, Datanode process doesn't exit when disks
fail. (bharathm via boryas)
MAPREDUCE-2420. JobTracker should be able to renew delegation token
over HTTP (boryas)
MAPREDUCE-2443. Fix TaskAspect for TaskUmbilicalProtocol.ping(..).
(Siddharth Seth via szetszwo)
HDFS-1842. Handle editlog opcode conflict with 0.20.203 during upgrade,
by throwing an error to indicate the editlog needs to be empty.
(suresh)
HDFS-1377. Quota bug for partial blocks allows quotas to be violated. (eli)
HDFS-2057. Wait time to terminate the threads causes unit tests to
take longer time. (Bharath Mundlapudi via suresh)
HDFS-2218. Disable TestHdfsProxy.testHdfsProxyInterface in automated test
suite for 0.20-security-204 release. (Matt Foley)
IMPROVEMENTS
HADOOP-7144. Expose JMX metrics via JSON servlet. (Robert Joseph Evans via
cdouglas)
MAPREDUCE-2524. Port reduce failure reporting semantics from trunk, to
fail faulty maps more aggressively. (Thomas Graves via cdouglas)
MAPREDUCE-2529. Add support for regex-based shuffle metric counting
exceptions. (Thomas Graves via cdouglas)
HADOOP-7398. Add mechanism to suppress warnings about use of HADOOP_HOME.
(omalley)
HDFS-2023. Backport of NPE for File.list and File.listFiles.
Merged ports of HADOOP-7322, HDFS-1934, HADOOP-7342, and HDFS-2019.
(Bharath Mundlapudi via mattf)
MAPREDUCE-2415. Distribute the user task logs on to multiple disks.
(Bharath Mundlapudi via omalley)
MAPREDUCE-2413. TaskTracker should handle disk failures by reinitializing
itself. (Ravi Gummadi and Jagane Sundar via omalley)
HDFS-1541. Not marking datanodes dead when namenode in safemode.
(hairong)
HDFS-1767. Namenode ignores non-initial block report from datanodes
when in safemode during startup. (Matt Foley via suresh)
MAPREDUCE-1251. c++ utils doesn't compile. (Eli Collins via shv)
HADOOP-7459. Remove jdk-1.6.0 dependency check from rpm. (omalley)
HADOOP-7330. Fix MetricsSourceAdapter to use the value instead of the
object. (Luke Lu via omalley)
Release 0.20.203.0 - 2011-5-11
MAPREDUCE-1280. Update Eclipse plugin to the new eclipse.jdt API.
(Alex Kozlov via szetszwo)
HADOOP-7259. Contrib modules should include the build.properties from
the enclosing hadoop directory. (omalley)
HADOOP-7253. Update the default configuration to fix security audit log
and metrics2 property configuration warnings. (omalley)
HADOOP-7247. Update documentation to match current jar names. (omalley)
HADOOP-7246. Update the log4j configuration to match the EventCounter
package. (Luke Lu via omalley)
HADOOP-7143. Restore HadoopArchives. (Joep Rottinghuis via omalley)
MAPREDUCE-2316. Updated CapacityScheduler documentation. (acmurthy)
HADOOP-7243. Fix contrib unit tests missing dependencies. (omalley)
HADOOP-7190. Add metrics v1 back for backwards compatibility. (omalley)
MAPREDUCE-2360. Remove stripping of scheme, authority from submit dir in
support of viewfs. (cdouglas)
MAPREDUCE-2359 Use correct file system to access distributed cache objects.
(Krishna Ramachandran)
MAPREDUCE-2361. "Fix Distributed Cache is not adding files to class paths
correctly" - Drop the host/scheme/fragment from URI (cdouglas)
MAPREDUCE-2362. Fix unit-test failures: TestBadRecords (NPE due to
rearranged MapTask code) and TestTaskTrackerMemoryManager
(need hostname in output-string pattern). (Greg Roelofs, Krishna
Ramachandran)
HDFS-1729. Add statistics logging for better visibility into
startup time costs. (Matt Foley)
MAPREDUCE-2363. When a queue is built without any access rights we
explain the problem. (Richard King)
MAPREDUCE-1563. TaskDiagnosticInfo may be missed sometime. (Krishna
Ramachandran)
MAPREDUCE-2364. Don't hold the rjob lock while localizing resources. (ddas
via omalley)
MAPREDUCE-2365. New counters for FileInputFormat (BYTES_READ) and
FileOutputFormat (BYTES_WRITTEN).
New counter MAP_OUTPUT_MATERIALIZED_BYTES for compressed MapOutputSize.
(Siddharth Seth)
HADOOP-7040. Change DiskErrorException to IOException (boryas)
HADOOP-7104. Remove unnecessary DNS reverse lookups from RPC layer
(kzhang)
MAPREDUCE-2366. Fix a problem where the task browser UI can't retrieve the
stdxxx printouts of streaming jobs that abend in the unix code, in
the common case where the containing job doesn't reuse JVM's.
(Richard King)
HADOOP-6977. Herriot daemon clients should vend statistics (cos)
HADOOP-6971. Clover build doesn't generate per-test coverage (cos)
HADOOP-6879. Provide SSH based (Jsch) remote execution API for system
tests. (cos)
HADOOP-7215. RPC clients must use network interface corresponding to
the host in the client's kerberos principal key. (suresh)
HADOOP-7232. Fix Javadoc warnings. (omalley)
HADOOP-7258. The Gzip codec should not return null decompressors. (omalley)
Release 0.20.202.0 - unreleased
MAPREDUCE-2355. Add a configuration knob
mapreduce.tasktracker.outofband.heartbeat.damper that limits out of band
heartbeats (acmurthy)
MAPREDUCE-2356. Fix a race-condition that corrupted a task's state on the
JobTracker. (Luke Lu)
MAPREDUCE-2357. Always propagate IOExceptions that are thrown by
non-FileInputFormat. (Luke Lu)
HADOOP-7163. RPC handles SocketTimeOutException during SASL negotiation.
(ddas)
MAPREDUCE-2358. MapReduce assumes the default FileSystem is HDFS.
(Krishna Ramachandran)
MAPREDUCE-1904. Reducing locking contention in TaskTracker's
MapOutputServlet LocalDirAllocator. (Rajesh Balamohan via acmurthy)
HDFS-1626. Make BLOCK_INVALIDATE_LIMIT configurable. (szetszwo)
HDFS-1584. Adds a check for whether relogin is needed to
getDelegationToken in HftpFileSystem. (Kan Zhang via ddas)
HADOOP-7115. Reduces the number of calls to getpwuid_r and
getpwgid_r, by implementing a cache in NativeIO. (ddas)
HADOOP-6882. An XSS security exploit in jetty-6.1.14. jetty upgraded to
6.1.26. (ddas)
MAPREDUCE-2278. Fixes a memory leak in the TaskTracker. (cdouglas)
HDFS-1353 redux. Modulate original 1353 to not bump RPC version.
(jhoman)
MAPREDUCE-2082 Race condition in writing the jobtoken password file when
launching pipes jobs (jitendra and ddas)
HADOOP-6978. Fixes task log servlet vulnerabilities via symlinks.
(Todd Lipcon and Devaraj Das)
MAPREDUCE-2178. Write task initialization to avoid race
conditions leading to privilege escalation and resource leakage by
performing more actiions as the user. (Owen O'Malley, Devaraj Das,
Chris Douglas via cdouglas)
HDFS-1364. HFTP client should support relogin from keytab
HADOOP-6907. Make RPC client to use per-proxy configuration.
(Kan Zhang via ddas)
MAPREDUCE-2055. Fix JobTracker to decouple job retirement from copy of
job-history file to HDFS and enhance RetiredJobInfo to carry aggregated
job-counters to prevent a disk roundtrip on job-completion to fetch
counters for the JobClient. (Krishna Ramachandran via acmurthy)
HDFS-1353. Remove most of getBlockLocation optimization (jghoman)
MAPREDUCE-2023. TestDFSIO read test may not read specified bytes. (htang)
HDFS-1340. A null delegation token is appended to the url if security is
disabled when browsing filesystem.(boryas)
HDFS-1352. Fix jsvc.location. (jghoman)
HADOOP-6860. 'compile-fault-inject' should never be called directly. (cos)
MAPREDUCE-2005. TestDelegationTokenRenewal fails (boryas)
MAPREDUCE-2000. Rumen is not able to extract counters for Job history logs
from Hadoop 0.20. (htang)
MAPREDUCE-1961. ConcurrentModificationException when shutting down Gridmix.
(htang)
HADOOP-6899. RawLocalFileSystem set working directory does
not work for relative names. (suresh)
HDFS-495. New clients should be able to take over files lease if the old
client died. (shv)
HADOOP-6728. Re-design and overhaul of the Metrics framework. (Luke Lu via
acmurthy)
MAPREDUCE-1966. Change blacklisting of tasktrackers on task failures to be
a simple graylist to fingerpoint bad tasktrackers. (Greg Roelofs via
acmurthy)
HADOOP-6864. Add ability to get netgroups (as returned by getent
netgroup command) using native code (JNI) instead of forking. (Erik Steffl)
HDFS-1318. HDFS Namenode and Datanode WebUI information needs to be
accessible programmatically for scripts. (Tanping Wang via suresh)
HDFS-1315. Add fsck event to audit log and remove other audit log events
corresponding to FSCK listStatus and open calls. (suresh)
MAPREDUCE-1941. Provides access to JobHistory file (raw) with job user/acl
permission. (Srikanth Sundarrajan via ddas)
MAPREDUCE-291. Optionally a separate daemon should serve JobHistory.
(Srikanth Sundarrajan via ddas)
MAPREDUCE-1936. Make Gridmix3 more customizable (sync changes from trunk).
(htang)
HADOOP-5981. Fix variable substitution during parsing of child environment
variables. (Krishna Ramachandran via acmurthy)
MAPREDUCE-339. Greedily schedule failed tasks to cause early job failure.
(cdouglas)
MAPREDUCE-1872. Hardened CapacityScheduler to have comprehensive, coherent
limits on tasks/jobs for jobs/users/queues. Also, added the ability to
refresh queue definitions without the need to restart the JobTracker.
(acmurthy)
HDFS-1161. Make DN minimum valid volumes configurable. (shv)
HDFS-457. Reintroduce volume failure tolerance for DataNodes. (shv)
HDFS-1307 Add start time, end time and total time taken for FSCK
to FSCK report. (suresh)
MAPREDUCE-1207. Sanitize user environment of map/reduce tasks and allow