blob: 875f923245d0b6ff051c115bbf0cc85c555262df [file] [log] [blame]
Hadoop HDFS Change Log
Release 2.0.4-alpha - UNRELEASED
INCOMPATIBLE CHANGES
NEW FEATURES
IMPROVEMENTS
OPTIMIZATIONS
BUG FIXES
HDFS-4646. createNNProxyWithClientProtocol ignores configured timeout value
(Jagane Sundar via cos)
Release 2.0.3-alpha - 2013-02-06
INCOMPATIBLE CHANGES
HDFS-4122. Cleanup HDFS logs and reduce the size of logged messages.
(suresh)
HDFS-4362. GetDelegationTokenResponseProto does not handle null token.
(suresh)
HDFS-4367. GetDataEncryptionKeyResponseProto does not handle null
response. (suresh)
HDFS-4364. GetLinkTargetResponseProto does not handle null path. (suresh)
HDFS-4369. GetBlockKeysResponseProto does not handle null response.
(suresh)
HDFS-4451. hdfs balancer command returns exit code 1 on success instead
of 0. (Joshua Blatt via suresh)
HDFS-4350. Make enabling of stale marking on read and write paths
independent. (Andrew Wang via suresh)
NEW FEATURES
HDFS-2656. Add libwebhdfs, a pure C client based on WebHDFS.
(Jaimin D Jetly and Jing Zhao via szetszwo)
HDFS-3912. Detect and avoid stale datanodes for writes.
(Jing Zhao via suresh)
HDFS-4059. Add number of stale DataNodes to metrics. (Jing Zhao via suresh)
HDFS-4155. libhdfs implementation of hsync API (Liang Xie via todd)
HDFS-4213. Add an API to hsync for updating the last block length at the
namenode. (Jing Zhao via szetszwo)
HDFS-3077. Implement QuorumJournalManager, a distributed mechanism for
reliably storing HDFS edit logs. See dedicated section below for breakdown
of subtasks.
IMPROVEMENTS
HDFS-3925. Prettify PipelineAck#toString() for printing to a log
(Andrew Wang via todd)
HDFS-3939. NN RPC address cleanup. (eli)
HDFS-3373. Change DFSClient input stream socket cache to global static and
add a thread to cleanup expired cache entries. (John George via szetszwo)
HDFS-3896. Add descriptions for dfs.namenode.rpc-address and
dfs.namenode.servicerpc-address to hdfs-default.xml. (Jeff Lord via atm)
HDFS-3996. Add debug log removed in HDFS-3873 back. (eli)
HDFS-3916. libwebhdfs (C client) code cleanups.
(Colin Patrick McCabe via eli)
HDFS-3813. Log error message if security and WebHDFS are enabled but
principal/keytab are not configured. (Stephen Chu via atm)
HDFS-3483. Better error message when hdfs fsck is run against a ViewFS
config. (Stephen Fritz via atm)
HDFS-3682. MiniDFSCluster#init should provide more info when it fails.
(todd via eli)
HDFS-4008. TestBalancerWithEncryptedTransfer needs a timeout. (eli)
HDFS-4007. Rehabilitate bit-rotted unit tests under
hadoop-hdfs-project/hadoop-hdfs/src/test/unit/
(Colin Patrick McCabe via todd)
HDFS-4041. Hadoop HDFS Maven protoc calls must not depend on external
sh script. (Chris Nauroth via suresh)
HADOOP-8911. CRLF characters in source and text files.
(Raja Aluri via suresh)
HDFS-4037. Rename the getReplication() method in BlockCollection to
getBlockReplication(). (szetszwo)
HDFS-4036. Remove "throws UnresolvedLinkException" from
FSDirectory.unprotectedAddFile(..). (Jing Zhao via szetszwo)
HDFS-2946. HA: Put a cap on the number of completed edits files retained
by the NN. (atm)
HDFS-4029. GenerationStamp should use an AtomicLong. (eli)
HDFS-4068. DatanodeID and DatanodeInfo member should be private. (eli)
HDFS-4073. Two minor improvements to FSDirectory. (Jing Zhao via szetszwo)
HDFS-4074. Remove the unused default constructor from INode. (Brandon Li
via szetszwo)
HDFS-4088. Remove "throws QuotaExceededException" from an
INodeDirectoryWithQuota constructor. (szetszwo)
HDFS-4099. Clean up replication code and add more javadoc. (szetszwo)
HDFS-4107. Add utility methods for casting INode to INodeFile and
INodeFileUnderConstruction. (szetszwo)
HDFS-4112. A few improvements on INodeDirectory include adding a utility
method for casting; avoiding creation of new empty lists; cleaning up
some code and rewriting some javadoc. (szetszwo)
HDFS-4121. Add namespace declarations in hdfs .proto files for languages
other than java. (Binglin Chang via suresh)
HDFS-3573. Supply NamespaceInfo when instantiating JournalManagers.
(todd and ivank via umamahesh)
HDFS-3695. Genericize format() to non-file JournalManagers.
(todd via umamahesh)
HDFS-3789. JournalManager#format() should be able to throw IOException.
(Ivan Kelly via umamahesh)
HDFS-3809. Make BKJM use protobufs for all serialization with ZK.
(Ivan Kelly via umamhesh)
HDFS-3916. libwebhdfs testing code cleanup. (Jing Zhao via suresh)
HDFS-4143. Change blocks to private in INodeFile and renames isLink() to
isSymlink() in INode. (szetszwo)
HDFS-4046. Rename ChecksumTypeProto enum NULL since it is illegal in
C/C++. (Binglin Chang via suresh)
HDFS-4048. Use ERROR instead of INFO for volume failure logs.
(Stephen Chu via eli)
HDFS-1322. Document umask in DistributedFileSystem#mkdirs javadocs.
(Colin Patrick McCabe via eli)
HDFS-4038. Override toString() for BookKeeperEditLogInputStream.
(Vinay via umamahesh)
HDFS-4214. OfflineEditsViewer should print out the offset at which it
encountered an error. (Colin Patrick McCabe via atm)
HDFS-4199. Provide test for HdfsVolumeId. (Ivan A. Veselovsky via atm)
HDFS-3049. During the normal NN startup process, fall back on a different
edit log if we see one that is corrupt (Colin Patrick McCabe via todd)
HDFS-3571. Allow EditLogFileInputStream to read from a remote URL (todd)
HDFS-4110. Refine a log printed in JNStorage. (Liang Xie via suresh)
HDFS-4153. Add START_MSG/SHUTDOWN_MSG for JournalNode. (liang xie via atm)
HDFS-3935. Add JournalNode to the start/stop scripts (Andy Isaacson via todd)
HDFS-4268. Remove redundant enum NNHAStatusHeartbeat.State. (shv)
HDFS-3680. Allow customized audit logging in HDFS FSNamesystem. (Marcelo
Vanzin via atm)
HDFS-4130. BKJM: The reading for editlog at NN starting using bkjm is not efficient.
(Han Xiao via umamahesh)
HDFS-4326. bump up Tomcat version for HttpFS to 6.0.36. (tucu via acmurthy)
HDFS-4270. Introduce soft and hard limits for max replication so that
replications of the highest priority are allowed to choose a source datanode
that has reached its soft limit but not the hard limit. (Derek Dagit via
szetszwo)
HADOOP-9173. Add security token protobuf definition to common and
use it in hdfs. (suresh)
HDFS-4030. BlockManager excessBlocksCount and
postponedMisreplicatedBlocksCount should be AtomicLongs. (eli)
HDFS-4031. Update findbugsExcludeFile.xml to include findbugs 2
exclusions. (eli)
HDFS-4033. Miscellaneous findbugs 2 fixes. (eli)
HDFS-4034. Remove redundant null checks. (eli)
HDFS-4035. LightWeightGSet and LightWeightHashSet increment a
volatile without synchronization. (eli)
HDFS-4032. Specify the charset explicitly rather than rely on the
default. (eli)
HDFS-4363. Combine PBHelper and HdfsProtoUtil and remove redundant
methods. (suresh)
HDFS-4377. Some trivial DN comment cleanup. (eli)
HDFS-4381. Document fsimage format details in FSImageFormat class javadoc.
(Jing Zhao via suresh)
HDFS-4375. Use token request messages defined in hadoop common.
(suresh)
HDFS-4392. Use NetUtils#getFreeSocketPort in MiniDFSCluster.
(Andrew Purtell via suresh)
HDFS-4393. Make empty request and responses in protocol translators can be
static final members. (Brandon Li via suresh)
HDFS-4403. DFSClient can infer checksum type when not provided by reading
first byte (todd)
HDFS-4259. Improve pipeline DN replacement failure message (harsh)
HDFS-3598. WebHDFS support for file concat. (Plamen Jeliazkov via shv)
HDFS-4456. Add concat to HttpFS and WebHDFS REST API docs. (plamenj2003 via tucu)
OPTIMIZATIONS
HDFS-3429. DataNode reads checksums even if client does not need them (todd)
BUG FIXES
HDFS-3919. MiniDFSCluster:waitClusterUp can hang forever.
(Andy Isaacson via eli)
HDFS-3924. Multi-byte id in HdfsVolumeId. (Andrew Wang via atm)
HDFS-3936. MiniDFSCluster shutdown races with BlocksMap usage. (eli)
HDFS-3951. datanode web ui does not work over HTTPS when datanode is started in secure mode. (tucu)
HDFS-3949. NameNodeRpcServer#join should join on both client and
server RPC servers. (eli)
HDFS-3932. NameNode Web UI broken if the rpc-address is set to the wildcard.
(Colin Patrick McCabe via eli)
HDFS-3931. TestDatanodeBlockScanner#testBlockCorruptionPolicy2 is broken.
(Andy Isaacson via eli)
HDFS-3964. Make NN log of fs.defaultFS debug rather than info. (eli)
HDFS-3992. Method org.apache.hadoop.hdfs.TestHftpFileSystem.tearDown()
sometimes throws NPEs. (Ivan A. Veselovsky via atm)
HDFS-3753. Tests don't run with native libraries.
(Colin Patrick McCabe via eli)
HDFS-4000. TestParallelLocalRead fails with "input ByteBuffers
must be direct buffers". (Colin Patrick McCabe via eli)
HDFS-3999. HttpFS OPEN operation expects len parameter, it should be length. (tucu)
HDFS-4006. TestCheckpoint#testSecondaryHasVeryOutOfDateImage
occasionally fails due to unexpected exit. (todd via eli)
HDFS-4018. testMiniDFSClusterWithMultipleNN is missing some
cluster cleanup. (eli)
HDFS-4020. TestRBWBlockInvalidation may time out. (eli)
HDFS-4021. Misleading error message when resources are low on the NameNode.
(Christopher Conner via atm)
HDFS-4044. Duplicate ChecksumType definition in HDFS .proto files.
(Binglin Chang via suresh)
HDFS-4049. Fix hflush performance regression due to nagling delays
(todd)
HDFS-3678. Edit log files are never being purged from 2NN. (atm)
HDFS-4058. DirectoryScanner may fail with IOOB if the directory
scanning threads return out of volume order. (eli)
HDFS-3985. Add timeouts to TestMulitipleNNDataBlockScanner. (todd via eli)
HDFS-4061. TestBalancer and TestUnderReplicatedBlocks need timeouts. (eli)
HDFS-3997. OfflineImageViewer incorrectly passes value of imageVersion when
visiting IS_COMPRESSED element. (Mithun Radhakrishnan via atm)
HDFS-4055. TestAuditLogs is flaky. (Binglin Chang via eli)
HDFS-4072. On file deletion remove corresponding blocks pending
replications. (Jing Zhao via suresh)
HDFS-4022. Replication not happening for appended block. (Vinay via umamahesh)
HDFS-3948. Do not use hflush in TestWebHDFS.testNamenodeRestart() since the
out stream returned by WebHdfsFileSystem does not support it. (Jing Zhao
via szetszwo)
HDFS-3616. Fix a ConcurrentModificationException bug that BP actor threads
may not be shutdown properly in DataNode. (Jing Zhao via szetszwo)
HDFS-4127. Log message is not correct in case of short of replica.
(Junping Du via suresh)
HADOOP-8994. TestDFSShell creates file named "noFileHere", making further
tests hard to understand (Andy Isaacson via daryn)
HDFS-3804. TestHftpFileSystem fails intermittently with JDK7
(Trevor Robinson via daryn)
HDFS-4132. When libwebhdfs is not enabled, nativeMiniDfsClient frees
uninitialized memory (Colin Patrick McCabe via todd)
HDFS-1331. dfs -test should work like /bin/test (Andy Isaacson via daryn)
HDFS-3979. For hsync, datanode should wait for the local sync to complete
before sending ack. (Lars Hofhansl via szetszwo)
HDFS-3810. Implement format() for BKJM (Ivan Kelly via umamahesh)
HDFS-3625. Fix TestBackupNode by properly initializing edit log during
startup. (Junping Du via todd)
HDFS-4138. BackupNode startup fails due to uninitialized edit log.
(Kihwal Lee via shv)
HDFS-4162. Some malformed and unquoted HTML strings are returned from
datanode web ui. (Darek Dagit via suresh)
HDFS-4164. fuse_dfs: add -lrt to the compiler command line on Linux.
(Colin Patrick McCabe via eli)
HDFS-3921. NN will prematurely consider blocks missing when entering active
state while still in safe mode. (atm)
HDFS-4106. BPServiceActor#lastHeartbeat, lastBlockReport and
lastDeletedReport should be volatile. (Jing Zhao via suresh)
HDFS-4139. fuse-dfs RO mode still allows file truncation.
(Colin Patrick McCabe via eli)
HDFS-4104. dfs -test -d prints inappropriate error on nonexistent directory
(Andy Isaacson via daryn)
HDFS-3623. BKJM: zkLatchWaitTimeout hard coded to 6000. Make use of ZKSessionTimeout instead.
(umamahesh)
HDFS-3507. DFS#isInSafeMode needs to execute only on Active NameNode.
(Vinay via atm)
HDFS-4105. The SPNEGO user for secondary namenode should use the web
keytab. (Arpit Gupta via jitendra)
HDFS-4156. Seeking to a negative position should throw an IOE.
(Eli Reisman via eli)
HDFS-4171. WebHDFS and HttpFs should accept only valid Unix user
names. (tucu)
HDFS-4178. Shell scripts should not close stderr (Andy Isaacson via daryn)
HDFS-4179. BackupNode: allow reads, fix checkpointing, safeMode. (shv)
HDFS-4216. Do not ignore QuotaExceededException when adding symlinks.
(szetszwo)
HDFS-4242. Map.Entry is incorrectly used in LeaseManager since the behavior
of it is undefined after the iteration or modifications of the map.
(szetszwo)
HDFS-4231. BackupNode: Introduce BackupState. (shv)
HDFS-4238. Standby namenode should not do purging of shared
storage edits. (todd)
HDFS-4282. TestEditLog.testFuzzSequences FAILED in all pre-commit test
(todd)
HDFS-4236. Remove artificial limit on username length introduced in
HDFS-4171. (tucu via suresh)
HDFS-4279. NameNode does not initialize generic conf keys when started
with -recover. (Colin Patrick McCabe via atm)
HDFS-4291. edit log unit tests leave stray test_edit_log_file around
(Colin Patrick McCabe via todd)
HDFS-4292. Sanity check not correct in RemoteBlockReader2.newBlockReader
(Binglin Chang via todd)
HDFS-4295. Using port 1023 should be valid when starting Secure DataNode
(Stephen Chu via todd)
HDFS-4294. Backwards compatibility is not maintained for TestVolumeId.
(Ivan A. Veselovsky and Robert Parker via atm)
HDFS-2264. NamenodeProtocol has the wrong value for clientPrincipal in
KerberosInfo annotation. (atm)
HDFS-4307. SocketCache should use monotonic time. (Colin Patrick McCabe
via atm)
HDFS-4315. DNs with multiple BPs can have BPOfferServices fail to start
due to unsynchronized map access. (atm)
HDFS-4140. fuse-dfs handles open(O_TRUNC) poorly. (Colin Patrick McCabe
via atm)
HDFS-4308. addBlock() should persist file blocks once.
(Plamen Jeliazkov via shv)
HDFS-4347. Avoid infinite waiting checkpoint to complete in TestBackupNode.
(Plamen Jeliazkov via shv)
HDFS-4349. Add test for reading files from BackupNode. (shv)
HDFS-4302. Fix fatal exception when starting NameNode with DEBUG logs
(Eugene Koontz via todd)
HDFS-3970. Fix bug causing rollback of HDFS upgrade to result in bad
VERSION file. (Vinay and Andrew Wang via atm)
HDFS-4306. PBHelper.convertLocatedBlock miss convert BlockToken. (Binglin
Chang via atm)
HDFS-4384. test_libhdfs_threaded gets SEGV if JNIEnv cannot be
initialized. (Colin McCabe via eli)
HDFS-4328. TestLargeBlock#testLargeBlockSize is timing out. (Chris Nauroth
via atm)
HDFS-4274. BlockPoolSliceScanner does not close verification log during
shutdown. (Chris Nauroth via suresh)
HDFS-1245. Pluggable block id generation. (shv)
HDFS-4415. HostnameFilter should handle hostname resolution failures and
continue processing. (Robert Kanter via atm)
HDFS-4359. Slow RPC responses from NN can prevent metrics collection on
DNs. (liang xie via atm)
HDFS-4444. Add space between total transaction time and number of
transactions in FSEditLog#printStatistics. (Stephen Chu via suresh)
HDFS-4428. FsDatasetImpl should disclose what the error is when a rename
fails. (Colin Patrick McCabe via atm)
HDFS-4452. getAdditionalBlock() can create multiple blocks if the client
times out and retries. (shv)
HDFS-4445. All BKJM ledgers are not checked while tailing, So failover will fail.
(Vinay via umamahesh)
HDFS-4462. 2NN will fail to checkpoint after an HDFS upgrade from a
pre-federation version of HDFS. (atm)
HDFS-4404. Create file failure when the machine of first attempted NameNode
is down. (Todd Lipcon via atm)
HDFS-4344. dfshealth.jsp throws NumberFormatException when
dfs.hosts/dfs.hosts.exclude includes port number. (Andy Isaacson via atm)
HDFS-4468. Use the new StringUtils methods added by HADOOP-9252 and fix
TestHDFSCLI and TestQuota. (szetszwo)
HDFS-4458. In DFSUtil.getNameServiceUris(..), convert default fs URI using
NetUtils.createSocketAddr(..) for being consistent with other addresses.
(Binglin Chang via szetszwo)
BREAKDOWN OF HDFS-3077 SUBTASKS
HDFS-3077. Quorum-based protocol for reading and writing edit logs.
(todd, Brandon Li, and Hari Mankude via todd)
HDFS-3694. Fix getEditLogManifest to fetch httpPort if necessary (todd)
HDFS-3692. Support purgeEditLogs() call to remotely purge logs on JNs
(todd)
HDFS-3693. JNStorage should read its storage info even before a writer
becomes active (todd)
HDFS-3725. Fix QJM startup when individual JNs have gaps (todd)
HDFS-3741. Exhaustive failure injection test for skipped RPCs (todd)
HDFS-3773. TestNNWithQJM fails after HDFS-3741. (atm)
HDFS-3793. Implement genericized format() in QJM (todd)
HDFS-3795. QJM: validate journal dir at startup (todd)
HDFS-3798. Avoid throwing NPE when finalizeSegment() is called on invalid
segment (todd)
HDFS-3799. QJM: handle empty log segments during recovery (todd)
HDFS-3797. QJM: add segment txid as a parameter to journal() RPC (todd)
HDFS-3800. improvements to QJM fault testing (todd)
HDFS-3823. QJM: TestQJMWithFaults fails occasionally because of missed
setting of HTTP port. (todd and atm)
HDFS-3826. QJM: Some trivial logging / exception text improvements. (todd
and atm)
HDFS-3839. QJM: hadoop-daemon.sh should be updated to accept "journalnode"
(eli)
HDFS-3845. Fixes for edge cases in QJM recovery protocol (todd)
HDFS-3877. QJM: Provide defaults for dfs.journalnode.*address (eli)
HDFS-3863. Track last "committed" txid in QJM (todd)
HDFS-3869. Expose non-file journal manager details in web UI (todd)
HDFS-3884. Journal format() should reset cached values (todd)
HDFS-3870. Add metrics to JournalNode (todd)
HDFS-3891. Make selectInputStreams throw IOE instead of RTE (todd)
HDFS-3726. If a logger misses an RPC, don't retry that logger until next
segment (todd)
HDFS-3893. QJM: Make QJM work with security enabled. (atm)
HDFS-3897. QJM: TestBlockToken fails after HDFS-3893. (atm)
HDFS-3898. QJM: enable TCP_NODELAY for IPC (todd)
HDFS-3885. QJM: optimize log sync when JN is lagging behind (todd)
HDFS-3900. QJM: avoid validating log segments on log rolls (todd)
HDFS-3901. QJM: send 'heartbeat' messages to JNs even when they are
out-of-sync (todd)
HDFS-3899. QJM: Add client-side metrics (todd)
HDFS-3914. QJM: acceptRecovery should abort current segment (todd)
HDFS-3915. QJM: Failover fails with auth error in secure cluster (todd)
HDFS-3906. QJM: quorum timeout on failover with large log segment (todd)
HDFS-3840. JournalNodes log JournalNotFormattedException backtrace error
before being formatted (todd)
HDFS-3894. QJM: testRecoverAfterDoubleFailures can be flaky due to IPC
client caching (todd)
HDFS-3926. QJM: Add user documentation for QJM. (atm)
HDFS-3943. QJM: remove currently-unused md5sum field (todd)
HDFS-3950. QJM: misc TODO cleanup, improved log messages, etc. (todd)
HDFS-3955. QJM: Make acceptRecovery() atomic. (todd)
HDFS-3956. QJM: purge temporary files when no longer within retention
period (todd)
HDFS-4004. TestJournalNode#testJournal fails because of test case execution
order (Chao Shi via todd)
HDFS-4017. Unclosed FileInputStream in GetJournalEditServlet
(Chao Shi via todd)
HDFS-4351. In BlockPlacementPolicyDefault.chooseTarget(..), numOfReplicas
needs to be updated when avoiding stale nodes. (Andrew Wang via szetszwo)
HDFS-4100. Fix all findbug security warings. (Liang Xie via eli)
HDFS-2908. Add apache license header for StorageReport.java. (Brandon Li
via tgraves)
HDFS-4399. Fix RAT warnings by excluding images sub-dir in docs. (Thomas
Graves via acmurthy)
Release 2.0.2-alpha - 2012-09-07
INCOMPATIBLE CHANGES
HDFS-3446. HostsFileReader silently ignores bad includes/excludes
(Matthew Jacobs via todd)
HDFS-3755. Creating an already-open-for-write file with overwrite=true fails
(todd)
NEW FEATURES
HDFS-744. Support hsync in HDFS. (Lars Hofhansl via szetszwo)
HDFS-3042. Automatic failover support for NameNode HA (todd)
(see dedicated section below for breakdown of subtasks)
HDFS-3518. Add a utility method HdfsUtils.isHealthy(uri) for checking if
the given HDFS is healthy. (szetszwo)
HDFS-3113. httpfs does not support delegation tokens. (tucu)
HDFS-3513. HttpFS should cache filesystems. (tucu)
HDFS-3637. Add support for encrypting the DataTransferProtocol. (atm)
HDFS-3150. Add option for clients to contact DNs via hostname. (eli)
HDFS-2793. Add an admin command to trigger an edit log roll. (todd)
HDFS-3703. Datanodes are marked stale if heartbeat is not received in
configured timeout and are selected as the last location to read from.
(Jing Zhao via suresh)
IMPROVEMENTS
HDFS-3040. TestMulitipleNNDataBlockScanner is misspelled. (Madhukara Phatak
via atm)
HDFS-3390. DFSAdmin should print full stack traces of errors when DEBUG
logging is enabled. (atm)
HDFS-3341. Change minimum RPC versions to respective SNAPSHOTs instead of
final releases. (todd)
HDFS-3369. Rename {get|set|add}INode(..) methods in BlockManager and
BlocksMap to {get|set|add}BlockCollection(..). (John George via szetszwo)
HDFS-3134. harden edit log loader against malformed or malicious input.
(Colin Patrick McCabe via eli)
HDFS-3230. Cleanup DatanodeID creation in the tests. (eli)
HDFS-3401. Cleanup DatanodeDescriptor creation in the tests. (eli)
HDFS-3400. DNs should be able start with jsvc even if security is disabled.
(atm via eli)
HDFS-3404. Make putImage in GetImageServlet infer remote address to fetch
from request. (atm)
HDFS-3335. check for edit log corruption at the end of the log
(Colin Patrick McCabe via todd)
HDFS-3417. Rename BalancerDatanode#getName to getDisplayName to be
consistent with Datanode. (eli)
HDFS-3416. Cleanup DatanodeID and DatanodeRegistration
constructors used by testing. (eli)
HDFS-3419. Cleanup LocatedBlock. (eli)
HDFS-3440. More effectively limit stream memory consumption when reading
corrupt edit logs (Colin Patrick McCabe via todd)
HDFS-3438. BootstrapStandby should not require a rollEdits on active node
(todd)
HDFS-2885. Remove "federation" from the nameservice config options.
(Tsz Wo (Nicholas) Sze via eli)
HDFS-3394. Do not use generic in INodeFile.getLastBlock(): the run-time
ClassCastException check is useless since generic type information is only
available in compile-time. (szetszwo)
HDFS-3454. Balancer unconditionally logs InterruptedException at
INFO level on shutdown if security is enabled. (eli)
HDFS-1013. Miscellaneous improvements to HTML markup for web UIs
(Eugene Koontz via todd)
HDFS-3052. Change INodeFile and INodeFileUnderConstruction to package
private. (szetszwo)
HDFS-3520. Add transfer rate logging to TransferFsImage. (eli)
HDFS-3504. Support configurable retry policy in DFSClient for RPC
connections and RPC calls, and add MultipleLinearRandomRetry, a new retry
policy. (szetszwo)
HDFS-3372. offlineEditsViewer should be able to read a binary
edits file with recovery mode. (Colin Patrick McCabe via eli)
HDFS-3516. Check content-type in WebHdfsFileSystem. (szetszwo)
HDFS-3535. Audit logging should log denied accesses. (Andy Isaacson via eli)
HDFS-3481. Refactor HttpFS handling of JAX-RS query string parameters (tucu)
HDFS-3572. Cleanup code which inits SPNEGO in HttpServer (todd)
HDFS-3475. Make the replication monitor multipliers configurable.
(harsh via eli)
HDFS-3343. Improve metrics for DN read latency (Andrew Wang via todd)
HDFS-3170. Add more useful metrics for write latency (Matthew Jacobs via
todd)
HDFS-3604. Add dfs.webhdfs.enabled to hdfs-default.xml. (eli)
HDFS-2988. Improve error message when storage directory lock fails
(Miomir Boljanovic via harsh)
HDFS-2391. Newly set BalancerBandwidth value is not displayed anywhere.
(harsh)
HDFS-3067. NPE in DFSInputStream.readBuffer if read is repeated on
corrupted block. (Henry Robinson via atm)
HDFS-3555. idle client socket triggers DN ERROR log
(should be INFO or DEBUG). (Andy Isaacson via harsh)
HDFS-3568. fuse_dfs: add support for security. (Colin McCabe via atm)
HDFS-3629. Fix the typo in the error message about inconsistent
storage layout version. (Brandon Li via harsh)
HDFS-3613. GSet prints some INFO level values, which aren't
really very useful to all (Andrew Wang via harsh)
HDFS-3611. NameNode prints unnecessary WARNs about edit log normally skipping
a few bytes. (Colin Patrick McCabe via harsh)
HDFS-3582. Hook daemon process exit for testing. (eli)
HDFS-3641. Move server Util time methods to common and use now
instead of System#currentTimeMillis. (eli)
HDFS-3633. libhdfs: hdfsDelete should pass JNI_FALSE or JNI_TRUE.
(Colin Patrick McCabe via eli)
HDFS-799. libhdfs must call DetachCurrentThread when a thread is destroyed.
(Colin Patrick McCabe via eli)
HDFS-3306. fuse_dfs: don't lock release operations.
(Colin Patrick McCabe via eli)
HDFS-3612. Single namenode image directory config warning can
be improved. (Andy Isaacson via harsh)
HDFS-3606. libhdfs: create self-contained unit test.
(Colin Patrick McCabe via eli)
HDFS-3539. libhdfs code cleanups. (Colin Patrick McCabe via eli)
HDFS-3610. fuse_dfs: Provide a way to use the default (configured) NN URI.
(Colin Patrick McCabe via eli)
HDFS-3663. MiniDFSCluster should capture the code path that led to
the first ExitException. (eli)
HDFS-3659. Add missing @Override to methods across the hadoop-hdfs
project. (Brandon Li via harsh)
HDFS-3537. Move libhdfs and fuse-dfs source to native subdirectories.
(Colin Patrick McCabe via eli)
HDFS-3665. Add a test for renaming across file systems via a symlink. (eli)
HDFS-3666. Plumb more exception messages to terminate. (eli)
HDFS-3673. libhdfs: fix some compiler warnings. (Colin Patrick McCabe via eli)
HDFS-3675. libhdfs: follow documented return codes. (Colin Patrick McCabe via eli)
HDFS-1249. With fuse-dfs, chown which only has owner (or only group)
argument fails with Input/output error. (Colin Patrick McCabe via eli)
HDFS-3583. Convert remaining tests to Junit4. (Andrew Wang via atm)
HDFS-3711. Manually convert remaining tests to JUnit4. (Andrew Wang via atm)
HDFS-3650. Use MutableQuantiles to provide latency histograms for various
operations. (Andrew Wang via atm)
HDFS-3667. Add retry support to WebHdfsFileSystem. (szetszwo)
HDFS-3291. add test that covers HttpFS working w/ a non-HDFS Hadoop
filesystem (tucu)
HDFS-3634. Add self-contained, mavenized fuse_dfs test. (Colin Patrick
McCabe via atm)
HDFS-3190. Simple refactors in existing NN code to assist
QuorumJournalManager extension. (todd)
HDFS-3276. initializeSharedEdits should have a -nonInteractive flag (todd)
HDFS-3765. namenode -initializeSharedEdits should be able to initialize
all shared storages. (Vinay and todd via todd)
HDFS-3723. Add support -h, -help to all the commands. (Jing Zhao via
suresh)
HDFS-3803. Change BlockPoolSliceScanner chatty INFO log to DEBUG.
(Andrew Purtell via suresh)
HDFS-3802. StartupOption.name in HdfsServerConstants should be final.
(Jing Zhao via szetszwo)
HDFS-3796. Speed up edit log tests by avoiding fsync() (todd)
HDFS-2963. Console Output is confusing while executing metasave
(dfsadmin command). (Andrew Wang via eli)
HDFS-3672. Expose disk-location information for blocks to enable better
scheduling. (Andrew Wang via atm)
HDFS-2727. libhdfs should get the default block size from the server.
(Colin Patrick McCabe via eli)
HDFS-3832. Remove protocol methods related to DistributedUpgrade. (suresh)
HDFS-3819. Should check whether invalidate work percentage default value is
not greater than 1.0f. (Jing Zhao via jitendra)
HDFS-3177. Update DFSClient and DataXceiver to handle different checkum
types in file checksum computation. (Kihwal Lee via szetszwo)
HDFS-3844. Add @Override and remove {@inheritdoc} and unnecessary
imports. (Jing Zhao via suresh)
HDFS-3853. Port MiniDFSCluster enableManagedDfsDirsRedundancy
option to branch-2. (Colin Patrick McCabe via eli)
HDFS-3871. Change NameNodeProxies to use RetryUtils. (Arun C Murthy
via szetszwo)
HDFS-3887. Remove redundant chooseTarget methods in BlockPlacementPolicy.
(Jing Zhao via szetszwo)
HDFS-3888. Clean up BlockPlacementPolicyDefault. (Jing Zhao via szetszwo)
HDFS-3907. Allow multiple users for local block readers. (eli)
HDFS-3510. Editlog pre-allocation is performed prior to writing edits
to avoid partial edits case disk out of space. (Colin McCabe via todd)
HDFS-3910. DFSTestUtil#waitReplication should timeout. (eli)
HDFS-3920. libwebdhfs string processing and using strerror consistently
to handle all errors. (Jing Zhao via suresh)
OPTIMIZATIONS
HDFS-2982. Startup performance suffers when there are many edit log
segments. (Colin Patrick McCabe via todd)
HDFS-2834. Add a ByteBuffer-based read API to DFSInputStream.
(Henry Robinson via todd)
HDFS-3110. Use directRead API to reduce the number of buffer copies in
libhdfs (Henry Robinson via todd)
HDFS-3697. Enable fadvise readahead by default. (todd)
HDFS-2421. Improve the concurrency of SerialNumberMap in NameNode.
(Jing Zhao and Weiyan Wang via szetszwo)
HDFS-3866. HttpFS POM should have property where to download tomcat from (zero45 via tucu)
BUG FIXES
HDFS-3385. The last block of INodeFileUnderConstruction is not
necessarily a BlockInfoUnderConstruction, so do not cast it in
FSNamesystem.recoverLeaseInternal(..). (szetszwo)
HDFS-3414. Balancer does not find NameNode if rpc-address or
servicerpc-address are not set in client configs. (atm)
HDFS-3031. Fix complete() and getAdditionalBlock() RPCs to be idempotent
(todd)
HDFS-2759. Pre-allocate HDFS edit log files after writing version number.
(atm)
HDFS-3413. TestFailureToReadEdits timing out. (atm)
HDFS-3422. TestStandbyIsHot timeouts too aggressive (todd)
HDFS-3433. GetImageServlet should allow administrative requestors when security is enabled. (atm)
HDFS-1153. dfsnodelist.jsp should handle invalid input parameters.
(Ravi Phulari via eli)
HDFS-3434. InvalidProtocolBufferException when visiting DN
browseDirectory.jsp (eli)
HDFS-2800. Fix cancellation of checkpoints in the standby node to be more
reliable. (todd)
HDFS-3391. Fix InvalidateBlocks to compare blocks including their
generation stamps. (todd)
HDFS-3444. hdfs groups command doesn't work with security enabled. (atm)
HDFS-2717. BookKeeper Journal output stream doesn't check addComplete rc.
(Ivan Kelly via umamahesh)
HDFS-3415. Make sure all layout versions are the same for all storage
directories in the Namenode. (Brandon Li via szetszwo)
HDFS-3436. In DataNode.transferReplicaForPipelineRecovery(..), it should
use the stored generation stamp to check if the block is valid. (Vinay
via szetszwo)
HDFS-3460. HttpFS proxyuser validation with Kerberos ON uses full
principal name. (tucu)
HDFS-3058. HA: Bring BookKeeperJournalManager up to date with HA changes.
(Ivan Kelly via umamahesh)
HDFS-3368. Missing blocks due to bad DataNodes coming up and down. (shv)
HDFS-3452. BKJM:Switch from standby to active fails and NN gets shut down
due to delay in clearing of lock. (umamahesh)
HDFS-3398. Client will not retry when primaryDN is down once it's just got pipeline.
(Amith D K via umamahesh)
HDFS-3474. Cleanup Exception handling in BookKeeper journal manager.
(Ivan Kelly via umamahesh)
HDFS-3468. Make BKJM-ZK session timeout configurable. (umamahesh)
HDFS-3423. BKJM: NN startup is failing, when tries to recoverUnfinalizedSegments()
a bad inProgress_ ZNodes. (Ivan Kelly and Uma via umamahesh)
HDFS-3441. Race condition between rolling logs at active NN and purging at standby.
(Rakesh R via umamahesh)
HDFS-3484. hdfs fsck doesn't work if NN HTTP address is set to
0.0.0.0 even if NN RPC address is configured. (atm via eli)
HDFS-3486. offlineimageviewer can't read fsimage files that contain
persistent delegation tokens. (Colin Patrick McCabe via eli)
HDFS-3487. offlineimageviewer should give byte offset information
when it encounters an exception. (Colin Patrick McCabe via eli)
HDFS-3442. Incorrect count for Missing Replicas in FSCK report. (Andrew Wang via atm)
HDFS-2025. Go Back to File View link is not working in tail.jsp.(Ashish and Sravan via umamahesh)
HDFS-3501. Checkpointing with security enabled will stop working
after ticket lifetime expires. (atm via eli)
HDFS-3266. DFSTestUtil#waitCorruptReplicas doesn't sleep between checks.
(Madhukara Phatak via atm)
HDFS-3505. DirectoryScanner does not join all threads in shutdown.
(Colin Patrick McCabe via eli)
HDFS-3485. DataTransferThrottler will over-throttle when currentTimeMillis
jumps (Andy Isaacson via todd)
HDFS-2914. HA: Standby should not enter safemode when resources are low. (Vinay via atm)
HDFS-3235. MiniDFSClusterManager doesn't correctly support -format option.
(Henry Robinson via atm)
HDFS-3514. Add missing TestParallelLocalRead. (Henry Robinson via atm)
HDFS-3243. TestParallelRead timing out on jenkins. (Henry Robinson via todd)
HDFS-3490. DatanodeWebHdfsMethods throws NullPointerException if
NamenodeRpcAddressParam is not set. (szetszwo)
HDFS-2797. Fix misuses of InputStream#skip in the edit log code.
(Colin Patrick McCabe via eli)
HDFS-3517. TestStartup should bind ephemeral ports. (eli)
HDFS-3522. If a namenode is in safemode, it should throw SafeModeException
when getBlockLocations has zero locations. (Brandon Li via szetszwo)
HDFS-3408. BKJM : Namenode format fails, if there is no BK root. (Rakesh R via umamahesh)
HDFS-3389. Document the BKJM usage in Namenode HA. (umamahesh and Ivan Kelly via umamahesh)
HDFS-3531. EditLogFileOutputStream#preallocate should check for
incomplete writes. (Colin Patrick McCabe via eli)
HDFS-766. Error message not clear for set space quota out of boundary
values. (Jon Zuanich via atm)
HDFS-3480. Multiple SLF4J binding warning. (Vinay via eli)
HDFS-3524. Update TestFileLengthOnClusterRestart for HDFS-3522. (Brandon
Li via szetszwo)
HDFS-3559. DFSTestUtil: use Builder class to construct DFSTestUtil
instances. (Colin Patrick McCabe via atm)
HDFS-3551. WebHDFS CREATE should use client location for HTTP redirection.
(szetszwo)
HDFS-3157. Fix a bug in the case that the generation stamps of the stored
block in a namenode and the reported block from a datanode do not match.
(Ashish Singhi via szetszwo)
HDFS-3575. HttpFS does not log Exception Stacktraces (brocknoland via tucu)
HDFS-3574. Fix small race and do some cleanup in GetImageServlet (todd)
HDFS-3581. FSPermissionChecker#checkPermission sticky bit check
missing range check. (eli)
HDFS-3541. Deadlock between recovery, xceiver and packet responder (Vinay via umamahesh)
HDFS-3428. Move DelegationTokenRenewer to common (tucu)
HDFS-3491. HttpFs does not set permissions correctly (tucu)
HDFS-3580. incompatible types; no instance(s) of type variable(s) V exist
so that V conforms to boolean compiling HttpFSServer.java with OpenJDK
(adi2 via tucu)
HDFS-3603. Decouple TestHDFSTrash from TestTrash. (Jason Lowe via eli)
HDFS-711. hdfsUtime does not handle atime = 0 or mtime = 0 correctly.
(Colin Patrick McCabe via eli)
HDFS-3548. NamenodeFsck.copyBlock fails to create a Block Reader.
(Colin Patrick McCabe via eli)
HDFS-3615. Two BlockTokenSecretManager findbugs warnings. (atm)
HDFS-470. libhdfs should handle 0-length reads from FSInputStream
correctly. (Colin Patrick McCabe via eli)
HDFS-3492. fix some misuses of InputStream#skip.
(Colin Patrick McCabe via eli)
HDFS-3609. libhdfs: don't force the URI to look like hdfs://hostname:port.
(Colin Patrick McCabe via eli)
HDFS-2966 TestNameNodeMetrics tests can fail under load. (stevel)
HDFS-3605. Block mistakenly marked corrupt during edit log catchup
phase of failover. (todd and Brahma Reddy Battula via todd)
HDFS-3690. BlockPlacementPolicyDefault incorrectly casts LOG. (eli)
HDFS-3597. SNN fails to start after DFS upgrade. (Andy Isaacson via todd)
HDFS-3608. HDFS-3608. fuse_dfs: detect changes in UID ticket cache. (Colin
Patrick McCabe via atm)
HDFS-3709. TestStartup tests still binding to the ephemeral port. (eli)
HDFS-3720. hdfs.h must get packaged. (Colin Patrick McCabe via atm)
HDFS-3626. Creating file with invalid path can corrupt edit log (todd)
HDFS-3679. fuse_dfs notrash option sets usetrash. (Conrad Meyer via suresh)
HDFS-3732. fuse_dfs: incorrect configuration value checked for connection
expiry timer period. (Colin Patrick McCabe via atm)
HDFS-3738. TestDFSClientRetries#testFailuresArePerOperation sets incorrect
timeout config. (atm)
HDFS-3756. DelegationTokenFetcher creates 2 HTTP connections, the second
one not properly configured. (tucu)
HDFS-3579. libhdfs: fix exception handling. (Colin Patrick McCabe via atm)
HDFS-3754. BlockSender doesn't shutdown ReadaheadPool threads. (eli)
HDFS-3760. primitiveCreate is a write, not a read. (Andy Isaacson via atm)
HDFS-3710. libhdfs misuses O_RDONLY/WRONLY/RDWR. (Andy Isaacson via atm)
HDFS-3721. hsync support broke wire compatibility. (todd and atm)
HDFS-3758. TestFuseDFS test failing. (Colin Patrick McCabe via eli)
HDFS-2330. In NNStorage.java, IOExceptions of stream closures can mask
root exceptions. (umamahesh via todd)
HDFS-3790. test_fuse_dfs.c doesn't compile on centos 5. (Colin Patrick
McCabe via atm)
HDFS-3658. Fix bugs in TestDFSClientRetries and add more tests. (szetszwo)
HDFS-3794. WebHDFS OPEN returns the incorrect Content-Length in the HTTP
header when offset is specified and length is omitted.
(Ravi Prakash via szetszwo)
HDFS-3048. Small race in BlockManager#close. (Andy Isaacson via eli)
HDFS-3194. DataNode block scanner is running too frequently.
(Andy Isaacson via eli)
HDFS-3808. fuse_dfs: postpone libhdfs intialization until after fork.
(Colin Patrick McCabe via atm)
HDFS-3788. ByteRangeInputStream should not expect HTTP Content-Length header
when chunked transfer-encoding is used. (szetszwo)
HDFS-3816. Invalidate work percentage default value should be 0.32f
instead of 32. (Jing Zhao via suresh)
HDFS-3707. TestFSInputChecker: improper use of skip.
(Colin Patrick McCabe via eli)
HDFS-3830. test_libhdfs_threaded: use forceNewInstance.
(Colin Patrick McCabe via eli)
HDFS-3835. Long-lived 2NN cannot perform a checkpoint if security is
enabled and the NN restarts with outstanding delegation tokens. (atm)
HDFS-3715. Fix TestFileCreation#testFileCreationNamenodeRestart.
(Andrew Whang via eli)
HDFS-3683. Edit log replay progress indicator shows >100% complete. (Plamen
Jeliazkov via atm)
HDFS-3731. Release upgrade must handle blocks being written from 1.0.
(Colin Patrick McCabe via eli)
HDFS-3856. TestHDFSServerPorts failure is causing surefire fork failure.
(eli)
HDFS-3860. HeartbeatManager#Monitor may wrongly hold the writelock of
namesystem. (Jing Zhao via atm)
HDFS-3849. When re-loading the FSImage, we should clear the existing
genStamp and leases. (Colin Patrick McCabe via atm)
HDFS-3864. NN does not update internal file mtime for OP_CLOSE when reading
from the edit log. (atm)
HDFS-3837. Fix DataNode.recoverBlock findbugs warning. (eli)
HDFS-3733. Audit logs should include WebHDFS access. (Andy Isaacson via
eli)
HDFS-2686. Remove DistributedUpgrade related code. (suresh)
HDFS-3833. TestDFSShell fails on windows due to concurrent file
read/write. (Brandon Li via suresh)
HDFS-3466. Get HTTP kerberos principal from the web authentication keytab.
(omalley)
HDFS-3879. Fix findbugs warning in TransferFsImage on branch-2. (eli)
HDFS-3469. start-dfs.sh will start zkfc, but stop-dfs.sh will not stop zkfc similarly.
(Vinay via umamahesh)
HDFS-1490. TransferFSImage should timeout (Dmytro Molkov and Vinay via todd)
HDFS-3828. Block Scanner rescans blocks too frequently.
(Andy Isaacson via eli)
HDFS-3895. hadoop-client must include commons-cli (tucu)
HDFS-2757. Cannot read a local block that's being written to when
using the local read short circuit. (Jean-Daniel Cryans via eli)
HDFS-3664. BlockManager race when stopping active services.
(Colin Patrick McCabe via eli)
HDFS-3928. MiniDFSCluster should reset the first ExitException on shutdown. (eli)
HDFS-3938. remove current limitations from HttpFS docs. (tucu)
HDFS-3944. Httpfs resolveAuthority() is not resolving host correctly. (tucu)
HDFS-3972. Trash emptier fails in secure HA cluster. (todd via eli)
HDFS-4443. Remove a trailing '`' character from the HTML code generated by
NamenodeJspHelper.generateNodeData(..). (Christian Rohling via szetszwo)
BREAKDOWN OF HDFS-3042 SUBTASKS
HDFS-2185. HDFS portion of ZK-based FailoverController (todd)
HDFS-3200. Scope all ZKFC configurations by nameservice (todd)
HDFS-3223. add zkfc to hadoop-daemon.sh script (todd)
HDFS-3261. TestHASafeMode fails on HDFS-3042 branch (todd)
HDFS-3159. Document NN auto-failover setup and configuration (todd)
HDFS-3412. Fix findbugs warnings in auto-HA branch (todd)
HDFS-3432. TestDFSZKFailoverController tries to fail over too early (todd)
HDFS-3902. TestDatanodeBlockScanner#testBlockCorruptionPolicy is broken.
(Andy Isaacson via eli)
Release 2.0.0-alpha - 05-23-2012
INCOMPATIBLE CHANGES
HDFS-2676. Remove Avro RPC. (suresh)
HDFS-2303. Unbundle jsvc. (Roman Shaposhnik and Mingjie Lai via eli)
HDFS-3137. Bump LAST_UPGRADABLE_LAYOUT_VERSION to -16. (eli)
HDFS-3138. Move DatanodeInfo#ipcPort to DatanodeID. (eli)
HDFS-3164. Move DatanodeInfo#hostName to DatanodeID. (eli)
NEW FEATURES
HDFS-2978. The NameNode should expose name dir statuses via JMX. (atm)
HDFS-395. DFS Scalability: Incremental block reports. (Tomasz Nykiel
via hairong)
HDFS-2517. Add protobuf service for JounralProtocol. (suresh)
HDFS-2518. Add protobuf service for NamenodeProtocol. (suresh)
HDFS-2520. Add protobuf service for InterDatanodeProtocol. (suresh)
HDFS-2519. Add protobuf service for DatanodeProtocol. (suresh)
HDFS-2581. Implement protobuf service for JournalProtocol. (suresh)
HDFS-2618. Implement protobuf service for NamenodeProtocol. (suresh)
HDFS-2629. Implement protobuf service for InterDatanodeProtocol. (suresh)
HDFS-2636. Implement protobuf service for ClientDatanodeProtocol. (suresh)
HDFS-2642. Protobuf translators for DatanodeProtocol. (jitendra)
HDFS-2647. Used protobuf based RPC for InterDatanodeProtocol,
ClientDatanodeProtocol, JournalProtocol, NamenodeProtocol. (suresh)
HDFS-2661. Enable protobuf RPC for DatanodeProtocol. (jitendra)
HDFS-2697. Move RefreshAuthPolicy, RefreshUserMappings, GetUserMappings
protocol to protocol buffers. (jitendra)
HDFS-2880. Protobuf changes in DatanodeProtocol to add multiple storages.
(suresh)
HDFS-2899. Service protocol changes in DatanodeProtocol to add multiple
storages. (suresh)
HDFS-2430. The number of failed or low-resource volumes the NN can tolerate
should be configurable. (atm)
HDFS-1623. High Availability Framework for HDFS NN. Contributed by Todd
Lipcon, Aaron T. Myers, Eli Collins, Uma Maheswara Rao G, Bikas Saha,
Suresh Srinivas, Jitendra Nath Pandey, Hari Mankude, Brandon Li, Sanjay
Radia, Mingjie Lai, and Gregory Chanan
HDFS-2941. Add an administrative command to download a copy of the fsimage
from the NN. (atm)
HDFS-2413. Add an API DistributedFileSystem.isInSafeMode() and change
DistributedFileSystem to @InterfaceAudience.LimitedPrivate.
(harsh via szetszwo)
HDFS-3167. CLI-based driver for MiniDFSCluster. (Henry Robinson via atm)
HDFS-3148. The client should be able to use multiple local interfaces
for data transfer. (eli)
HDFS-3000. Add a public API for setting quotas. (atm)
HDFS-3102. Add CLI tool to initialize the shared-edits dir. (atm)
HDFS-3004. Implement Recovery Mode. (Colin Patrick McCabe via eli)
HDFS-3282. Add HdfsDataInputStream as a public API. (umamahesh)
HDFS-3298. Add HdfsDataOutputStream as a public API. (szetszwo)
HDFS-234. Integration with BookKeeper logging system. (Ivan Kelly
via umamahesh)
IMPROVEMENTS
HDFS-2018. Move all journal stream management code into one place.
(Ivan Kelly via jitendra)
HDFS-2223. Untangle depencencies between NN components (todd)
HDFS-2351. Change Namenode and Datanode to register each of their protocols
seperately (sanjay)
HDFS-2337. DFSClient shouldn't keep multiple RPC proxy references (atm)
HDFS-2181. Separate HDFS Client wire protocol data types (sanjay)
HDFS-2459. Separate datatypes for Journal Protocol. (suresh)
HDFS-2480. Separate datatypes for NamenodeProtocol. (suresh)
HDFS-2489. Move Finalize and Register to separate file out of
DatanodeCommand.java. (suresh)
HDFS-2488. Separate datatypes for InterDatanodeProtocol. (suresh)
HDFS-2496. Separate datatypes for DatanodeProtocol. (suresh)
HDFS-2479. HDFS Client Data Types in Protocol Buffers (sanjay)
HADOOP-7862. Hdfs changes to work with HADOOP-7862: Move the support for
multiple protocols to lower layer so that Writable, PB and Avro can all
use it. (sanjay)
HDFS-2597. ClientNameNodeProtocol in Protocol Buffers. (sanjay)
HDFS-2651. ClientNameNodeProtocol Translators for Protocol Buffers. (sanjay)
HDFS-2650. Replace @inheritDoc with @Override. (Hari Mankude via suresh).
HDFS-2669. Enable protobuf rpc for ClientNamenodeProtocol. (sanjay)
HDFS-2801. Provide a method in client side translators to check for a
methods supported in underlying protocol. (jitendra)
HDFS-2895. Remove Writable wire protocol types and translators to
complete transition to protocol buffers. (suresh)
HDFS-2992. Edit log failure trace should include transaction ID of
error. (Colin Patrick McCabe via eli)
HDFS-3030. Remove getProtocolVersion and getProtocolSignature from
translators. (jitendra)
HDFS-2158. Add JournalSet to manage the set of journals. (jitendra)
HDFS-2334. Add Closeable to JournalManager. (Ivan Kelly via jitendra)
HDFS-1580. Add interface for generic Write Ahead Logging mechanisms.
(Ivan Kelly via jitendra)
HDFS-3060. Bump TestDistributedUpgrade#testDistributedUpgrade timeout (eli)
HDFS-2410. Further cleanup of hardcoded configuration keys and values.
(suresh)
HDFS-2878. Fix TestBlockRecovery and move it back into main test directory.
(todd)
HDFS-3003. Remove getHostPortString() from NameNode, replace it with
NetUtils.getHostPortString(). (Brandon Li via atm)
HDFS-3014. FSEditLogOp and its subclasses should have toString() method.
(Sho Shimauchi via atm)
HDFS-3021. Use generic type to declare FSDatasetInterface. (szetszwo)
HDFS-3056. Add a new interface RollingLogs for DataBlockScanner logging.
(szetszwo)
HDFS-2731. Add command to bootstrap the Standby Node's name directories
from the Active NameNode. (todd)
HDFS-3082. Clean up FSDatasetInterface and change DataNode.data to package
private. (szetszwo)
HDFS-3057. httpfs and hdfs launcher scripts should honor CATALINA_HOME
and HADOOP_LIBEXEC_DIR (rvs via tucu)
HDFS-3088. Move FSDatasetInterface inner classes to a package. (szetszwo)
HDFS-3111. Missing license headers in trunk. (umamahesh)
HDFS-3091. Update the usage limitations of ReplaceDatanodeOnFailure policy in
the config description for the smaller clusters. (szetszwo via umamahesh)
HDFS-3105. Add DatanodeStorage information to block recovery. (szetszwo)
HDFS-3086. Change Datanode not to send storage list in registration.
(szetszwo)
HDFS-309. FSEditLog should log progress during replay. (Sho Shimauchi
via todd)
HDFS-3044. fsck move should be non-destructive by default.
(Colin Patrick McCabe via eli)
HDFS-3071. haadmin failover command does not provide enough detail when
target NN is not ready to be active. (todd)
HDFS-3089. Move FSDatasetInterface and the related classes to a package.
(szetszwo)
HDFS-3129. NetworkTopology: add test that getLeaf should check for
invalid topologies. (Colin Patrick McCabe via eli)
HDFS-3155. Clean up FSDataset implemenation related code. (szetszwo)
HDFS-3158. LiveNodes member of NameNodeMXBean should list non-DFS used
space and capacity per DN. (atm)
HDFS-3172. dfs.upgrade.permission is dead code. (eli)
HDFS-3171. The DatanodeID "name" field is overloaded. (eli)
HDFS-3144. Refactor DatanodeID#getName by use. (eli)
HDFS-3130. Move fsdataset implementation to a package. (szetszwo)
HDFS-3120. Enable hsync and hflush by default. (eli)
HDFS-3187. Upgrade guava to 11.0.2 (todd)
HDFS-3168. Remove unnecessary "throw IOException" and change fields to
final in FSNamesystem and BlockManager. (szetszwo)
HDFS-2564. Cleanup unnecessary exceptions thrown and unnecessary casts.
(Hari Mankude via eli)
HDFS-3084. FenceMethod.tryFence() and ShellCommandFencer should pass
namenodeId as well as host:port (todd)
HDFS-3050. rework OEV to share more code with the NameNode.
(Colin Patrick McCabe via eli)
HDFS-3204. Minor modification to JournalProtocol.proto to make
it generic. (suresh)
HDFS-3226. Allow GetConf tool to print arbitrary keys (todd)
HDFS-3240. Drop log level of "heartbeat: ..." in BPServiceActor to DEBUG
(todd)
HDFS-3238. ServerCommand and friends don't need to be writables. (eli)
HDFS-3094. add -nonInteractive and -force option to namenode -format
command (Arpit Gupta via todd)
HDFS-3244. Remove dead writable code from hdfs/protocol. (eli)
HDFS-3247. Improve bootstrapStandby behavior when original NN is not active
(todd)
HDFS-3249. Use ToolRunner.confirmPrompt in NameNode (todd)
HDFS-3179. Improve the exception message thrown by DataStreamer when
it failed to add a datanode. (szetszwo)
HDFS-2983. Relax the build version check to permit rolling upgrades within a release. (atm)
HDFS-3259. NameNode#initializeSharedEdits should populate shared edits dir
with edit log segments. (atm)
HDFS-2708. Stats for the # of blocks per DN. (atm)
HDFS-3279. Move the FSEditLog constructor with @VisibleForTesting to
TestEditLog. (Arpit Gupta via szetszwo)
HDFS-3294. Fix code indentation in NamenodeWebHdfsMethods and
DatanodeWebHdfsMethods. (szetszwo)
HDFS-3263. HttpFS should read HDFS config from Hadoop site.xml files (tucu)
HDFS-3206. Miscellaneous xml cleanups for OEV.
(Colin Patrick McCabe via eli)
HDFS-3169. TestFsck should test multiple -move operations in a row.
(Colin Patrick McCabe via eli)
HDFS-3258. Test for HADOOP-8144 (pseudoSortByDistance in
NetworkTopology for first rack local node). (Junping Du via eli)
HDFS-3322. Use HdfsDataInputStream and HdfsDataOutputStream in Hdfs.
(szetszwo)
HDFS-3339. Change INode to package private. (John George via szetszwo)
HDFS-3303. Remove Writable implementation from RemoteEditLogManifest.
(Brandon Li via szetszwo)
HDFS-2617. Replaced Kerberized SSL for image transfer and fsck
with SPNEGO-based solution. (jghoman, omalley, tucu, and atm via eli)
HDFS-3365. Enable users to disable socket caching in DFS client
configuration (todd)
HDFS-3375. Put client name in DataXceiver thread name for readBlock
and keepalive (todd)
HDFS-3363. Define BlockCollection and MutableBlockCollection interfaces
so that INodeFile and INodeFileUnderConstruction do not have to be used in
block management. (John George via szetszwo)
HDFS-3211. Add fence(..) and replace NamenodeRegistration with JournalInfo
and epoch in JournalProtocol. (suresh via szetszwo)
HADOOP-8285 HDFS changes for Use ProtoBuf for RpcPayLoadHeader (sanjay radia)
HDFS-3418. Rename BlockWithLocationsProto datanodeIDs field to storageIDs.
(eli)
OPTIMIZATIONS
HDFS-2477. Optimize computing the diff between a block report and the
namenode state. (Tomasz Nykiel via hairong)
HDFS-2495. Increase granularity of write operations in ReplicationMonitor
thus reducing contention for write lock. (Tomasz Nykiel via hairong)
HDFS-2476. More CPU efficient data structure for under-replicated,
over-replicated, and invalidated blocks. (Tomasz Nykiel via todd)
HDFS-3036. Remove unused method DFSUtil#isDefaultNamenodeAddress. (atm)
HDFS-3378. Remove DFS_NAMENODE_SECONDARY_HTTPS_PORT_KEY and DEFAULT. (eli)
BUG FIXES
HDFS-2481. Unknown protocol: org.apache.hadoop.hdfs.protocol.ClientProtocol.
(sanjay)
HDFS-2497. Fix TestBackupNode failure. (suresh)
HDFS-2499. RPC client is created incorrectly introduced in HDFS-2459.
(suresh)
HDFS-2526. (Client)NamenodeProtocolTranslatorR23 do not need to keep a
reference to rpcProxyWithoutRetry (atm)
HDFS-2532. TestDfsOverAvroRpc timing out in trunk (Uma Maheswara Rao G
via todd)
HDFS-2666. Fix TestBackupNode failure. (suresh)
HDFS-2663. Optional protobuf parameters are not handled correctly. (suresh)
HDFS-2694. Removal of Avro broke non-PB NN services. (atm)
HDFS-2687. Tests failing with ClassCastException post protobuf RPC
changes. (suresh)
HDFS-2700. Fix failing TestDataNodeMultipleRegistrations in trunk
(Uma Maheswara Rao G via todd)
HDFS-2739. SecondaryNameNode doesn't start up. (jitendra)
HDFS-2768. BackupNode stop can not close proxy connections because
it is not a proxy instance. (Uma Maheswara Rao G via eli)
HDFS-2968. Protocol translator for BlockRecoveryCommand broken when
multiple blocks need recovery. (todd)
HDFS-3020. Fix editlog to automatically sync when buffer is full. (todd)
HDFS-3038. Add FSEditLog.metrics to findbugs exclude list. (todd via atm)
HDFS-2188. Make FSEditLog create its journals from a list of URIs rather
than NNStorage. (Ivan Kelly via jitendra)
HDFS-1765. Block Replication should respect under-replication
block priority. (Uma Maheswara Rao G via eli)
HDFS-2285. BackupNode should reject requests to modify namespace.
(shv and Uma Maheswara Rao)
HDFS-2764. TestBackupNode is racy. (atm)
HDFS-3093. Fix bug where namenode -format interpreted the -force flag in
reverse. (todd)
HDFS-3005. FSVolume.decDfsUsed(..) should be synchronized. (szetszwo)
HDFS-3099. SecondaryNameNode does not properly initialize metrics system.
(atm)
HDFS-3062. Fix bug which prevented MR job submission from creating
delegation tokens on an HA cluster. (Mingjie Lai via todd)
HDFS-3083. Cannot run an MR job with HA and security enabled when
second-listed NN active. (atm)
HDFS-3100. In BlockSender, throw an exception when it needs to verify
checksum but the meta data does not exist. (Brandon Li via szetszwo)
HDFS-3132. Fix findbugs warning on HDFS trunk. (todd)
HDFS-3156. TestDFSHAAdmin is failing post HADOOP-8202. (atm)
HDFS-3143. TestGetBlocks.testGetBlocks is failing. (Arpit Gupta via atm)
HDFS-3142. TestHDFSCLI.testAll is failing. (Brandon Li via atm)
HDFS-3070. HDFS balancer doesn't ensure that hdfs-site.xml is loaded. (atm)
HDFS-2995. start-dfs.sh should only start the 2NN for namenodes
with dfs.namenode.secondary.http-address configured. (eli)
HDFS-3174. Fix assert in TestPendingDataNodeMessages. (eli)
HDFS-3199. TestValidateConfigurationSettings is failing. (todd via eli)
HDFS-3202. NamespaceInfo PB translation drops build version. (atm)
HDFS-3109. Remove hsqldf exclusions from pom.xml. (Ravi Prakash
via suresh)
HDFS-3210. JsonUtil#toJsonMap for for a DatanodeInfo should use
"ipAddr" instead of "name". (eli)
HDFS-3208. Bogus entries in hosts files are incorrectly displayed
in the report. (eli)
HDFS-3136. Remove SLF4J dependency as HDFS does not need it to fix
unnecessary warnings. (Jason Lowe via suresh)
HDFS-3214. InterDatanodeProtocolServerSideTranslatorPB doesn't handle
null response from initReplicaRecovery (todd)
HDFS-3119. Overreplicated block is not deleted even after the replication
factor is reduced after sync follwed by closing that file. (Ashish Singhi
via umamahesh)
HDFS-3234. Accidentally left log message in GetConf after HDFS-3226 (todd)
HDFS-3236. NameNode does not initialize generic conf keys when started
with -initializeSharedEditsDir (atm)
HDFS-3248. bootstrapStandby repeated twice in hdfs namenode usage message
(Colin Patrick McCabe via todd)
HDFS-2696. Fix the fuse-fds build. (Bruno Mahé via eli)
HDFS-3254. Branch-2 build broken due to wrong version number in
fuse-dfs' pom.xml. (Anupam Seth via eli)
HDFS-3260. TestDatanodeRegistration should set minimum DN version in
addition to minimum NN version. (atm)
HDFS-3255. HA DFS returns wrong token service (Daryn Sharp via todd)
HDFS-3256. HDFS considers blocks under-replicated if topology script is
configured with only 1 rack. (atm)
HDFS-2799. Trim fs.checkpoint.dir values. (Amith D K via eli)
HDFS-2765. TestNameEditsConfigs is incorrectly swallowing IOE. (atm)
HDFS-3280. DFSOutputStream.sync should not be synchronized (todd)
HDFS-3268. FileContext API mishandles token service and incompatible with
HA (Daryn Sharp via todd)
HDFS-3284. bootstrapStandby fails in secure cluster (todd)
HDFS-3165. HDFS Balancer scripts are refering to wrong path of
hadoop-daemon.sh (Amith D K via eli)
HDFS-891. DataNode no longer needs to check for dfs.network.script.
(harsh via eli)
HDFS-3305. GetImageServlet should consider SBN a valid requestor in a
secure HA setup. (atm)
HDFS-3314. HttpFS operation for getHomeDirectory is incorrect. (tucu)
HDFS-3319. Change DFSOutputStream to not to start a thread in constructors.
(szetszwo)
HDFS-3222. DFSInputStream#openInfo should not silently get the length as 0
when locations length is zero for last partial block. (umamahesh)
HDFS-3181. Fix a test case in TestLeaseRecovery2. (szetszwo)
HDFS-3309. HttpFS (Hoop) chmod not supporting octal and sticky bit
permissions. (tucu)
HDFS-3326. Append enabled log message uses the wrong variable.
(Matthew Jacobs via eli)
HDFS-3275. Skip format for non-file based directories.
(Amith D K via umamahesh)
HDFS-3286. When the threshold value for balancer is zero, unexpected output is displayed.
(Ashish Singhi via umamahesh)
HDFS-3336. hdfs launcher script will be better off not special casing
namenode command with regards to hadoop.security.logger (rvs via tucu)
HDFS-3330. If GetImageServlet throws an Error or RTE, response should not
have HTTP "OK" status. (todd)
HDFS-3351. NameNode#initializeGenericKeys should always set fs.defaultFS
regardless of whether HA or Federation is enabled. (atm)
HDFS-3332. NullPointerException in DN when directoryscanner is trying to
report bad blocks. (Amith D K via umamahesh)
HDFS-3359. DFSClient.close should close cached sockets. (todd)
HDFS-3350. In INode, add final to compareTo(..), equals(..) and hashCode(),
and remove synchronized from updatePermissionStatus(..). (szetszwo)
HDFS-3357. DataXceiver reads from client socket with incorrect/no timeout
(todd)
HDFS-3376. DFSClient fails to make connection to DN if there are many
unusable cached sockets (todd)
HDFS-3328. NPE in DataNode.getIpcPort. (eli)
HDFS-3396. FUSE build fails on Ubuntu 12.04. (Colin Patrick McCabe via eli)
HDFS-3395. NN doesn't start with HA+security enabled and HTTP address set to 0.0.0.0. (atm)
HDFS-3026. HA: Handle failure during HA state transition. (atm)
HDFS-860. fuse-dfs truncate behavior causes issues with scp.
(Brian Bockelman via eli)
BREAKDOWN OF HDFS-1623 SUBTASKS
HDFS-2179. Add fencing framework and mechanisms for NameNode HA. (todd)
HDFS-1974. Introduce active and standy states to the namenode. (suresh)
HDFS-2407. getServerDefaults and getStats don't check operation category (atm)
HDFS-1973. HA: HDFS clients must handle namenode failover and switch over to
the new active namenode. (atm)
HDFS-2301. Start/stop appropriate namenode services when transition to active
and standby states. (suresh)
HDFS-2231. Configuration changes for HA namenode. (suresh)
HDFS-2418. Change ConfiguredFailoverProxyProvider to take advantage of
HDFS-2231. (atm)
HDFS-2393. Mark appropriate methods of ClientProtocol with the idempotent
annotation. (atm)
HDFS-2523. Small NN fixes to include HAServiceProtocol and prevent NPE on
shutdown. (todd)
HDFS-2577. NN fails to start since it tries to start secret manager in
safemode. (todd)
HDFS-2582. Scope dfs.ha.namenodes config by nameservice (todd)
HDFS-2591. MiniDFSCluster support to mix and match federation with HA (todd)
HDFS-1975. Support for sharing the namenode state from active to standby.
(jitendra, atm, todd)
HDFS-1971. Send block report from datanode to both active and standby
namenodes. (sanjay, todd via suresh)
HDFS-2616. Change DatanodeProtocol#sendHeartbeat() to return HeartbeatResponse.
(suresh)
HDFS-2622. Fix TestDFSUpgrade in HA branch. (todd)
HDFS-2612. Handle refreshNameNodes in federated HA clusters (todd)
HDFS-2623. Add test case for hot standby capability (todd)
HDFS-2626. BPOfferService.verifyAndSetNamespaceInfo needs to be synchronized
(todd)
HDFS-2624. ConfiguredFailoverProxyProvider doesn't correctly stop
ProtocolTranslators (todd)
HDFS-2625. TestDfsOverAvroRpc failing after introduction of HeartbeatResponse
type (todd)
HDFS-2627. Determine DN's view of which NN is active based on heartbeat
responses (todd)
HDFS-2634. Standby needs to ingest latest edit logs before transitioning to
active (todd)
HDFS-2671. NN should throw StandbyException in response to RPCs in STANDBY
state (todd)
HDFS-2680. DFSClient should construct failover proxy with exponential backoff
(todd)
HDFS-2683. Authority-based lookup of proxy provider fails if path becomes
canonicalized (todd)
HDFS-2689. HA: BookKeeperEditLogInputStream doesn't implement isInProgress()
(atm)
HDFS-2602. NN should log newly-allocated blocks without losing BlockInfo (atm)
HDFS-2667. Fix transition from active to standby (todd)
HDFS-2684. Fix up some failing unit tests on HA branch (todd)
HDFS-2679. Add interface to query current state to HAServiceProtocol (eli via
todd)
HDFS-2677. Web UI should indicate the NN state. (eli via todd)
HDFS-2678. When a FailoverProxyProvider is used, DFSClient should not retry
connection ten times before failing over (atm via todd)
HDFS-2682. When a FailoverProxyProvider is used, Client should not retry for 45
times if it is timing out to connect to server. (Uma Maheswara Rao G via todd)
HDFS-2693. Fix synchronization issues around state transition (todd)
HDFS-1972. Fencing mechanism for block invalidations and replications (todd)
HDFS-2714. Fix test cases which use standalone FSNamesystems (todd)
HDFS-2692. Fix bugs related to failover from/into safe mode. (todd)
HDFS-2716. Configuration needs to allow different dfs.http.addresses for each
HA NN (todd)
HDFS-2720. Fix MiniDFSCluster HA support to work properly on Windows. (Uma
Maheswara Rao G via todd)
HDFS-2291. Allow the StandbyNode to make checkpoints in an HA setup. (todd)
HDFS-2709. Appropriately handle error conditions in EditLogTailer (atm via
todd)
HDFS-2730. Refactor shared HA-related test code into HATestUtil class (todd)
HDFS-2762. Fix TestCheckpoint timing out on HA branch. (Uma Maheswara Rao G via
todd)
HDFS-2724. NN web UI can throw NPE after startup, before standby state is
entered. (todd)
HDFS-2753. Fix standby getting stuck in safemode when blocks are written while
SBN is down. (Hari Mankude and todd via todd)
HDFS-2773. Reading edit logs from an earlier version should not leave blocks in
under-construction state. (todd)
HDFS-2775. Fix TestStandbyCheckpoints.testBothNodesInStandbyState failing
intermittently. (todd)
HDFS-2766. Test for case where standby partially reads log and then performs
checkpoint. (atm)
HDFS-2738. FSEditLog.selectinputStreams is reading through in-progress streams
even when non-in-progress are requested. (atm)
HDFS-2789. TestHAAdmin.testFailover is failing (eli)
HDFS-2747. Entering safe mode after starting SBN can NPE. (Uma Maheswara Rao G
via todd)
HDFS-2772. On transition to active, standby should not swallow ELIE. (atm)
HDFS-2767. ConfiguredFailoverProxyProvider should support NameNodeProtocol.
(Uma Maheswara Rao G via todd)
HDFS-2795. Standby NN takes a long time to recover from a dead DN starting up.
(todd)
HDFS-2592. Balancer support for HA namenodes. (Uma Maheswara Rao G via todd)
HDFS-2367. Enable the configuration of multiple HA cluster addresses. (atm)
HDFS-2812. When becoming active, the NN should treat all leases as freshly
renewed. (todd)
HDFS-2737. Automatically trigger log rolls periodically on the active NN. (todd
and atm)
HDFS-2820. Add a simple sanity check for HA config (todd)
HDFS-2688. Add tests for quota tracking in an HA cluster. (todd)
HDFS-2804. Should not mark blocks under-replicated when exiting safemode (todd)
HDFS-2807. Service level authorizartion for HAServiceProtocol. (jitendra)
HDFS-2809. Add test to verify that delegation tokens are honored after
failover. (jitendra and atm)
HDFS-2838. NPE in FSNamesystem when in safe mode. (Gregory Chanan via eli)
HDFS-2805. Add a test for a federated cluster with HA NNs. (Brandon Li via
jitendra)
HDFS-2841. HAAdmin does not work if security is enabled. (atm)
HDFS-2691. Fixes for pipeline recovery in an HA cluster: report RBW replicas
immediately upon pipeline creation. (todd)
HDFS-2824. Fix failover when prior NN died just after creating an edit log
segment. (atm via todd)
HDFS-2853. HA: NN fails to start if the shared edits dir is marked required
(atm via eli)
HDFS-2845. SBN should not allow browsing of the file system via web UI. (Bikas
Saha via atm)
HDFS-2742. HA: observed dataloss in replication stress test. (todd via eli)
HDFS-2870. Fix log level for block debug info in processMisReplicatedBlocks
(todd)
HDFS-2859. LOCAL_ADDRESS_MATCHER.match has NPE when called from
DFSUtil.getSuffixIDs when the host is incorrect (Bikas Saha via todd)
HDFS-2861. checkpointing should verify that the dfs.http.address has been
configured to a non-loopback for peer NN (todd)
HDFS-2860. TestDFSRollback#testRollback is failing. (atm)
HDFS-2769. HA: When HA is enabled with a shared edits dir, that dir should be
marked required. (atm via eli)
HDFS-2863. Failures observed if dfs.edits.dir and shared.edits.dir have same
directories. (Bikas Saha via atm)
HDFS-2874. Edit log should log to shared dirs before local dirs. (todd)
HDFS-2890. DFSUtil#getSuffixIDs should skip unset configurations. (atm)
HDFS-2792. Make fsck work. (atm)
HDFS-2808. HA: haadmin should use namenode ids. (eli)
HDFS-2819. Document new HA-related configs in hdfs-default.xml. (eli)
HDFS-2752. HA: exit if multiple shared dirs are configured. (eli)
HDFS-2894. HA: automatically determine the nameservice Id if only one
nameservice is configured. (eli)
HDFS-2733. Document HA configuration and CLI. (atm)
HDFS-2794. Active NN may purge edit log files before standby NN has a chance to
read them (todd)
HDFS-2901. Improvements for SBN web UI - not show under-replicated/missing
blocks. (Brandon Li via jitendra)
HDFS-2905. HA: Standby NN NPE when shared edits dir is deleted. (Bikas Saha via
jitendra)
HDFS-2579. Starting delegation token manager during safemode fails. (todd)
HDFS-2510. Add HA-related metrics. (atm)
HDFS-2924. Standby checkpointing fails to authenticate in secure cluster.
(todd)
HDFS-2915. HA: TestFailureOfSharedDir.testFailureOfSharedDir() has race
condition. (Bikas Saha via jitendra)
HDFS-2912. Namenode not shutting down when shared edits dir is inaccessible.
(Bikas Saha via atm)
HDFS-2917. HA: haadmin should not work if run by regular user (eli)
HDFS-2939. TestHAStateTransitions fails on Windows. (Uma Maheswara Rao G via
atm)
HDFS-2947. On startup NN throws an NPE in the metrics system. (atm)
HDFS-2942. TestActiveStandbyElectorRealZK fails if build dir does not exist.
(atm)
HDFS-2948. NN throws NPE during shutdown if it fails to startup (todd)
HDFS-2909. HA: Inaccessible shared edits dir not getting removed from FSImage
storage dirs upon error. (Bikas Saha via jitendra)
HDFS-2934. Allow configs to be scoped to all NNs in the nameservice. (todd)
HDFS-2935. Shared edits dir property should be suffixed with nameservice and
namenodeID (todd)
HDFS-2928. ConfiguredFailoverProxyProvider should not create a NameNode proxy
with an underlying retry proxy. (Uma Maheswara Rao G via atm)
HDFS-2955. IllegalStateException during standby startup in getCurSegmentTxId.
(Hari Mankude via atm)
HDFS-2937. TestDFSHAAdmin needs tests with MiniDFSCluster. (Brandon Li via
suresh)
HDFS-2586. Add protobuf service and implementation for HAServiceProtocol.
(suresh via atm)
HDFS-2952. NN should not start with upgrade option or with a pending an
unfinalized upgrade. (atm)
HDFS-2974. MiniDFSCluster does not delete standby NN name dirs during format.
(atm)
HDFS-2929. Stress test and fixes for block synchronization (todd)
HDFS-2972. Small optimization building incremental block report (todd)
HDFS-2973. Re-enable NO_ACK optimization for block deletion. (todd)
HDFS-2922. HA: close out operation categories (eli)
HDFS-2993. HA: BackupNode#checkOperation should permit CHECKPOINT operations
(eli)
HDFS-2904. Client support for getting delegation tokens. (todd)
HDFS-3013. HA: NameNode format doesn't pick up
dfs.namenode.name.dir.NameServiceId configuration (Mingjie Lai via todd)
HDFS-3019. Fix silent failure of TestEditLogJournalFailures (todd)
HDFS-2958. Sweep for remaining proxy construction which doesn't go through
failover path. (atm)
HDFS-2920. fix remaining TODO items. (atm and todd)
HDFS-3027. Implement a simple NN health check. (atm)
HDFS-3023. Optimize entries in edits log for persistBlocks call. (todd)
HDFS-2979. Balancer should use logical uri for creating failover proxy with HA
enabled. (atm)
HDFS-3035. Fix failure of TestFileAppendRestart due to OP_UPDATE_BLOCKS (todd)
HDFS-3039. Address findbugs and javadoc warnings on branch. (todd via atm)
Release 0.23.7 - UNRELEASED
INCOMPATIBLE CHANGES
NEW FEATURES
IMPROVEMENTS
OPTIMIZATIONS
HDFS-4532. RPC call queue may fill due to current user lookup (daryn)
BUG FIXES
HDFS-4288. NN accepts incremental BR as IBR in safemode (daryn via kihwal)
HDFS-4495. Allow client-side lease renewal to be retried beyond soft-limit
(kihwal)
HDFS-4128. 2NN gets stuck in inconsistent state if edit log replay fails
in the middle (kihwal via daryn)
HDFS-4542. Webhdfs doesn't support secure proxy users (Daryn Sharp via
kihwal)
Release 0.23.6 - UNRELEASED
INCOMPATIBLE CHANGES
NEW FEATURES
IMPROVEMENTS
OPTIMIZATIONS
BUG FIXES
HDFS-4247. saveNamespace should be tolerant of dangling lease (daryn)
HDFS-4248. Renaming directories may incorrectly remove the paths in leases
under the tree. (daryn via szetszwo)
HDFS-4385. Maven RAT plugin is not checking all source files (tgraves)
HDFS-4426. Secondary namenode shuts down immediately after startup.
(Arpit Agarwal via suresh)
Release 0.23.5 - 2012-11-28
INCOMPATIBLE CHANGES
HDFS-4080. Add a separate logger for block state change logs to enable turning
off those logs. (Kihwal Lee via suresh)
NEW FEATURES
IMPROVEMENTS
OPTIMIZATIONS
HDFS-4075. Reduce recommissioning overhead (Kihwal Lee via daryn)
HDFS-3990. NN's health report has severe performance problems (daryn)
HDFS-4181. LeaseManager tries to double remove and prints extra messages
(Kihwal Lee via daryn)
BUG FIXES
HDFS-3829. TestHftpURLTimeouts fails intermittently with JDK7 (Trevor
Robinson via tgraves)
HDFS-3824. TestHftpDelegationToken fails intermittently with JDK7 (Trevor
Robinson via tgraves)
HDFS-3224. Bug in check for DN re-registration with different storage ID
(jlowe)
HDFS-4090. getFileChecksum() result incompatible when called against
zero-byte files. (Kihwal Lee via daryn)
HDFS-4172. namenode does not URI-encode parameters when building URI for
datanode request (Derek Dagit via bobby)
HDFS-4182. SecondaryNameNode leaks NameCache entries (bobby)
HDFS-4186. logSync() is called with the write lock held while releasing
lease (Kihwal Lee via daryn)
Release 0.23.4
INCOMPATIBLE CHANGES
NEW FEATURES
IMPROVEMENTS
OPTIMIZATIONS
BUG FIXES
HDFS-3831. Failure to renew tokens due to test-sources left in classpath
(jlowe via bobby)
Release 0.23.3
INCOMPATIBLE CHANGES
NEW FEATURES
IMPROVEMENTS
HDFS-2505. Add a test to verify getFileChecksum(..) with ViewFS. (Ravi
Prakash via szetszwo)
OPTIMIZATIONS
BUG FIXES
HDFS-3166. Add timeout to Hftp connections. (Daryn Sharp via szetszwo)
HDFS-3176. Use MD5MD5CRC32FileChecksum.readFields() in JsonUtil . (Kihwal
Lee via szetszwo)
HDFS-2652. Add support for host-based delegation tokens. (Daryn Sharp via
szetszwo)
HDFS-3308. Uses canonical URI to select delegation tokens in HftpFileSystem
and WebHdfsFileSystem. (Daryn Sharp via szetszwo)
HDFS-3312. In HftpFileSystem, the namenode URI is non-secure but the
delegation tokens have to use secure URI. (Daryn Sharp via szetszwo)
HDFS-3318. Use BoundedInputStream in ByteRangeInputStream, otherwise, it
hangs on transfers >2 GB. (Daryn Sharp via szetszwo)
HDFS-3321. Fix safe mode turn off tip message. (Ravi Prakash via szetszwo)
HDFS-3334. Fix ByteRangeInputStream stream leakage. (Daryn Sharp via
szetszwo)
HDFS-3331. In namenode, check superuser privilege for setBalancerBandwidth
and acquire the write lock for finalizeUpgrade. (szetszwo)
HDFS-3037. TestMulitipleNNDataBlockScanner#testBlockScannerAfterRestart is
racy. (atm)
HDFS-3577. In DatanodeWebHdfsMethods, use MessageBodyWriter instead of
StreamingOutput, otherwise, it will fail to transfer large files.
(szetszwo)
HDFS-3646. LeaseRenewer can hold reference to inactive DFSClient
instances forever. (Kihwal Lee via daryn)
HDFS-3696. Set chunked streaming mode in WebHdfsFileSystem write operations
to get around a Java library bug causing OutOfMemoryError. (szetszwo)
HDFS-3553. Hftp proxy tokens are broken (daryn)
HDFS-3718. Datanode won't shutdown because of runaway DataBlockScanner
thread (Kihwal Lee via daryn)
HDFS-3861. Deadlock in DFSClient (Kihwal Lee via daryn)
HDFS-3873. Hftp assumes security is disabled if token fetch fails (daryn)
HDFS-3852. TestHftpDelegationToken is broken after HADOOP-8225 (daryn)
HDFS-3890. filecontext mkdirs doesn't apply umask as expected
(Tom Graves via daryn)
Release 0.23.2 - UNRELEASED
INCOMPATIBLE CHANGES
HDFS-2887. FSVolume, is a part of FSDatasetInterface implementation, should
not be referred outside FSDataset. A new FSVolumeInterface is defined.
The BlockVolumeChoosingPolicy.chooseVolume(..) method signature is also
updated. (szetszwo)
NEW FEATURES
HDFS-2943. Expose last checkpoint time and transaction stats as JMX
metrics. (atm)
IMPROVEMENTS
HDFS-2931. Switch DataNode's BlockVolumeChoosingPolicy to private-audience.
(harsh via szetszwo)
HDFS-2655. BlockReaderLocal#skip performs unnecessary IO. (Brandon Li
via jitendra)
HDFS-2725. hdfs script usage information is missing the information
about "dfs" command (Prashant Sharma via stevel)
HDFS-2907. Add a conf property dfs.datanode.fsdataset.factory to make
FSDataset in Datanode pluggable. (szetszwo)
HDFS-2985. Improve logging when replicas are marked as corrupt. (todd)
HDFS-3098. Update and add tests for HADOOP-8173. (Daryn Sharp via szetszwo)
HDFS-3104. Add tests for HADOOP-8175. (Daryn Sharp via szetszwo)
HDFS-3066. Cap space usage of default log4j rolling policy.
(Patrick Hunt via eli)
OPTIMIZATIONS
HDFS-3024. Improve performance of stringification in addStoredBlock (todd)
BUG FIXES
HDFS-2923. Namenode IPC handler count uses the wrong configuration key
(todd)
HDFS-2764. TestBackupNode is racy. (atm)
HDFS-2869. Fix an error in the webhdfs docs for the mkdir op (harsh)
HDFS-776. Fix exception handling in Balancer. (Uma Maheswara Rao G
via szetszwo)
HDFS-2815. Namenode sometimes oes not come out of safemode during
NN crash + restart. (Uma Maheswara Rao via suresh)
HDFS-2950. Secondary NN HTTPS address should be listed as a
NAMESERVICE_SPECIFIC_KEY. (todd)
HDFS-2525. Race between BlockPoolSliceScanner and append. (Brandon Li
via jitendra)
HDFS-2938. Recursive delete of a large directory make namenode
unresponsive. (Hari Mankude via suresh)
HDFS-2969. ExtendedBlock.equals is incorrectly implemented (todd)
HDFS-2944. Typo in hdfs-default.xml causes
dfs.client.block.write.replace-datanode-on-failure.enable to be mistakenly
disabled. (atm)
HDFS-2981. In hdfs-default.xml, the default value of
dfs.client.block.write.replace-datanode-on-failure.enable should be true.
(szetszwo)
HDFS-3008. Negative caching of local addrs doesn't work. (eli)
HDFS-3006. In WebHDFS, when the return body is empty, set the Content-Type
to application/octet-stream instead of application/json. (szetszwo)
HDFS-2991. Fix case where OP_ADD would not be logged in append(). (todd)
HDFS-3012. Exception while renewing delegation token. (Bobby Evans via
jitendra)
HDFS-3032. Change DFSClient.renewLease() so that it only retries up to the
lease soft-limit. (Kihwal Lee via szetszwo)
HDFS-2038. Update TestHDFSCLI to handle relative paths with globs.
(Kihwal Lee via szetszwo)
HDFS-3101. Cannot read empty file using WebHDFS. (szetszwo)
HDFS-3160. httpfs should exec catalina instead of forking it.
(Roman Shaposhnik via eli)
Release 0.23.1 - 2012-02-17
INCOMPATIBLE CHANGES
NEW FEATURES
HDFS-2316. [umbrella] WebHDFS: a complete FileSystem implementation for
accessing HDFS over HTTP (szetszwo)
HDFS-2594. Support getDelegationTokens and createSymlink in WebHDFS.
(szetszwo)
HDFS-2545. Change WebHDFS to support multiple namenodes in federation.
(szetszwo)
HDFS-2178. Contributing Hoop to HDFS, replacement for HDFS proxy
with read/write capabilities. (tucu)
IMPROVEMENTS
HDFS-2560. Refactor BPOfferService to be a static inner class (todd)
HDFS-2544. Hadoop scripts unconditionally source
"$bin"/../libexec/hadoop-config.sh. (Bruno Mahé via tomwhite)
HDFS-2543. HADOOP_PREFIX cannot be overridden. (Bruno Mahé via tomwhite)
HDFS-2562. Refactor DN configuration variables out of DataNode class
(todd)
HDFS-2563. Some cleanup in BPOfferService. (todd)
HDFS-2568. Use a set to manage child sockets in XceiverServer.
(harsh via eli)
HDFS-2454. Move maxXceiverCount check to before starting the
thread in dataXceiver. (harsh via eli)
HDFS-2570. Add descriptions for dfs.*.https.address in hdfs-default.xml.
(eli)
HDFS-2536. Remove unused imports. (harsh via eli)
HDFS-2566. Move BPOfferService to be a non-inner class. (todd)
HDFS-2552. Add Forrest doc for WebHDFS REST API. (szetszwo)
HDFS-2587. Add apt doc for WebHDFS REST API. (szetszwo)
HDFS-2604. Add a log message to show if WebHDFS is enabled and a
configuration section in the forrest doc. (szetszwo)
HDFS-2511. Add dev script to generate HDFS protobufs. (tucu)
HDFS-2654. Make BlockReaderLocal not extend RemoteBlockReader2. (eli)
HDFS-2675. Reduce warning verbosity when double-closing edit logs
(todd)
HDFS-2335. DataNodeCluster and NNStorage always pull fresh entropy.
(Uma Maheswara Rao G via eli)
HDFS-2574. Remove references to some deprecated properties in conf
templates and defaults files. (Joe Crobak via harsh)
HDFS-2722. HttpFs should not be using an int for block size. (harsh)
HDFS-2710. Add HDFS tests related to HADOOP-7933. (Siddarth Seth via
suresh)
HDFS-2349. Corruption detected during block transfers between DNs
should log a WARN instead of INFO. (harsh)
HDFS-2729. Update BlockManager's comments regarding the invalid block
set (harsh)
HDFS-2726. Fix a logging issue under DFSClient's createBlockOutputStream
method (harsh)
HDFS-554. Use System.arraycopy in BlockInfo.ensureCapacity. (harsh)
HDFS-1314. Make dfs.blocksize accept size-indicating prefixes.
(Sho Shimauchi via harsh)
HDFS-69. Improve the 'dfsadmin' commandline help. (harsh)
HDFS-2788. HdfsServerConstants#DN_KEEPALIVE_TIMEOUT is dead code. (eli)
HDFS-362. FSEditLog should not writes long and short as UTF8, and should
not use ArrayWritable for writing non-array items. (Uma Maheswara Rao G
via szetszwo)
HDFS-2803. Add logging to LeaseRenewer for better lease expiration debugging.
(Jimmy Xiang via todd)
HDFS-2817. Combine the two TestSafeMode test suites. (todd)
HDFS-2818. Fix a missing space issue in HDFS webapps' title tags. (Devaraj K via harsh)
HDFS-2397. Undeprecate SecondaryNameNode. (eli)
HDFS-2814. NamenodeMXBean does not account for svn revision in the version
information. (Hitesh Shah via jitendra)
HDFS-2784. Update hftp and hdfs for host-based token support.
(Kihwal Lee via jitendra)
HDFS-2785. Update webhdfs and httpfs for host-based token support.
(Robert Joseph Evans via jitendra)
HDFS-2868. Expose xceiver counts via the DataNode MXBean. (harsh)
HDFS-2786. Fix host-based token incompatibilities in DFSUtil. (Kihwal
Lee via jitendra)
HDFS-208. name node should warn if only one dir is listed in dfs.name.dir.
(Uma Maheswara Rao G via eli)
HDFS-3139. Minor Datanode logging improvement. (eli)
OPTIMIZATIONS
HDFS-2130. Switch default checksum to CRC32C. (todd)
HDFS-2533. Remove needless synchronization on some FSDataSet methods.
(todd)
HDFS-2129. Simplify BlockReader to not inherit from FSInputChecker.
(todd)
HDFS-2246. Enable reading a block directly from local file system
for a client on the same node as the block file. (Andrew Purtell,
Suresh Srinivas and Jitendra Nath Pandey via szetszwo)
HDFS-2825. Add test hook to turn off the writer preferring its local
DN. (todd)
HDFS-2826. Add test case for HDFS-1476 (safemode can initialize
replication queues before exiting) (todd)
HDFS-2864. Remove some redundant methods and the constant METADATA_VERSION
from FSDataset. (szetszwo)
HDFS-2879. Change FSDataset to package private. (szetszwo)
BUG FIXES
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)
HDFS-2502. hdfs-default.xml should include dfs.name.dir.restore.
(harsh via eli)
HDFS-2567. When 0 DNs are available, show a proper error when
trying to browse DFS via web UI. (harsh via eli)
HDFS-2575. DFSTestUtil may create empty files (todd)
HDFS-2588. hdfs jsp pages missing DOCTYPE. (Dave Vronay via mattf)
HDFS-2590. Fix the missing links in the WebHDFS forrest doc. (szetszwo)
HDFS-2596. TestDirectoryScanner doesn't test parallel scans. (eli)
HDFS-2606. webhdfs client filesystem impl must set the content-type
header for create/append. (tucu)
HDFS-2614. hadoop dist tarball is missing hdfs headers. (tucu)
HDFS-2653. DFSClient should cache whether addrs are non-local when
short-circuiting is enabled. (eli)
HDFS-2649. eclipse:eclipse build fails for hadoop-hdfs-httpfs.
(Jason Lowe via eli)
HDFS-2640. Javadoc generation hangs. (tomwhite)
HDFS-2553. Fix BlockPoolSliceScanner spinning in a tight loop (Uma
Maheswara Rao G via todd)
HDFS-2658. HttpFS introduced 70 javadoc warnings. (tucu)
HDFS-2706. Use configuration for blockInvalidateLimit if it is set.
(szetszwo)
HDFS-2646. Hadoop HttpFS introduced 4 findbug warnings. (tucu)
HDFS-2657. TestHttpFSServer and TestServerWebApp are failing on trunk. (tucu)
HDFS-2705. HttpFS server should check that upload requests have correct
content-type. (tucu)
HDFS-2707. HttpFS should read the hadoop-auth secret from a file instead
inline from the configuration. (tucu)
HDFS-2790. FSNamesystem.setTimes throws exception with wrong
configuration name in the message. (Arpit Gupta via eli)
HDFS-2810. Leases not getting renewed properly by clients (todd)
HDFS-2751. Datanode may incorrectly drop OS cache behind reads
even for short reads. (todd)
HDFS-2816. Fix missing license header in httpfs findbugsExcludeFile.xml.
(hitesh via tucu)
HDFS-2822. processMisReplicatedBlock incorrectly identifies
under-construction blocks as under-replicated. (todd)
HDFS-442. dfsthroughput in test jar throws NPE (harsh)
HDFS-2836. HttpFSServer still has 2 javadoc warnings in trunk.
(revans2 via tucu)
HDFS-2837. mvn javadoc:javadoc not seeing LimitedPrivate class.
(revans2 via tucu)
HDFS-2840. TestHostnameFilter should work with localhost or
localhost.localdomain (tucu)
HDFS-2791. If block report races with closing of file, replica is
incorrectly marked corrupt. (todd)
HDFS-2827. When the parent of a directory is the root, renaming the
directory results in leases updated incorrectly. (Uma Maheswara Rao G
via szetszwo)
HDFS-2835. Fix findbugs and javadoc issue with GetConf.java.
(suresh)
HDFS-2889. getNumCurrentReplicas is package private but should be public on
0.23 (see HDFS-2408). (Gregory Chanan via atm)
HDFS-2893. The start/stop scripts don't start/stop the 2NN when
using the default configuration. (eli)
Release 0.23.0 - 2011-11-01
INCOMPATIBLE CHANGES
HDFS-1526. Dfs client name for a map/reduce task should be unique
among threads. (hairong)
HDFS-1536. Improve HDFS WebUI. (hairong)
HDFS-2210. Remove hdfsproxy. (eli)
HDFS-1073. Redesign the NameNode's storage layout for image checkpoints
and edit logs to introduce transaction IDs and be more robust.
Please see HDFS-1073 section below for breakout of individual patches.
NEW FEATURES
HDFS-1359. Add BlockPoolID to Block. (suresh)
HDFS-1365. Federation: propose ClusterID and BlockPoolID format
(Tanping via boryas)
HDFS-1394. Federation: modify -format option for namenode to generated
new blockpool id and accept newcluster (boryas)
HDFS-1400. Federation: DataTransferProtocol uses ExtendedBlockPool to
include BlockPoolID in the protocol. (suresh)
HDFS-1428. Federation : add cluster ID and block pool ID into
Name node web UI(Tanping via boryas)
HDFS-1450. Federation: Introduce block pool ID into FSDatasetInterface.
(suresh)
HDFS-1632. Federation: data node storage structure changes and
introduce block pool storage. (Tanping via suresh)
HDFS-1634. Federation: Convert single threaded DataNode into
per BlockPool thread model.(boryas)
HDFS-1637. Federation: FSDataset in Datanode should be created after
initial handshake with namenode. (boryas and jitendra)
HDFS-1653. Federation: Block received message from datanode sends invalid
DatanodeRegistration. (Tanping via suresh)
HDFS-1645. Federation: DatanodeCommond.Finalize needs to include
BlockPoolId. (suresh)
HDFS-1638. Federation: DataNode.handleDiskError needs to inform
ALL namenodes if a disk failed (boryas)
HDFS-1647. Federation: Multiple namenode configuration. (jitendra)
HDFS-1639. Federation: Add block pool management to FSDataset. (suresh)
HDFS-1648. Federation: Only DataStorage must be locked using in_use.lock
and no locks must be associated with BlockPoolStorage. (Tanping via suresh)
HDFS-1641. Federation: Datanode fields that are no longer used should
be removed (boryas)
HDFS-1642. Federation: add Datanode.getDNRegistration(String bpid)
method (boryas)
HDFS-1643. Federation: remove namenode argument from DataNode
constructor (boryas)
HDFS-1657. Federation: Tests that corrupt block files fail due to changed
file path in federation. (suresh)
HDFS-1661. Federation: Remove unnecessary TODO:FEDERATION comments.
(jitendra)
HDFS-1660. Federation: Datanode doesn't start with two namenodes (boryas)
HDFS-1650. Federation: TestReplication fails. (Tanping via suresh)
HDFS-1651. Federation: Tests fail due to null pointer exception in
Datnode#shutdown() method. (Tanping via suresh)
HDFS-1649. Federation: Datanode command to refresh namenode list at
the datanode. (jitendra)
HDFS-1646. Federation: MiniDFSClsuter#waitActive() waits for ever
with the introduction of BPOfferService in datanode. (suresh)
HDFS-1659. Federation: BPOfferService exits after one iteration
incorrectly. (Tanping via suresh)
HDFS-1654. Federation: Fix TestDFSUpgrade and TestDFSRollback failures.
(suresh)
HDFS-1668. Federation: Datanodes sends block pool usage information
to the namenode in heartbeat. (suresh)
HDFS-1669. Federation: Fix TestHftpFileSystem failure. (suresh)
HDFS-1670. Federation: remove dnRegistration from Datanode (boryas)
HDFS-1662. Federation: fix unit test case, TestCheckpoint
and TestDataNodeMXBean (tanping via boryas)
HDFS-1671. Federation: shutdown in DataNode should be able to
shutdown individual BP threads as well as the whole DN (boryas).
HDFS-1663. Federation: Rename getPoolId() everywhere to
getBlockPoolId() (tanping via boryas)
HDFS-1652. FederationL Add support for multiple namenodes in
MiniDFSCluster. (suresh)
HDFS-1672. Federation: refactor stopDatanode(name) to work
with multiple Block Pools (boryas)
HDFS-1687. Federation: DirectoryScanner changes for
federation (Matt Foley via boryas)
HDFS-1626. Make BLOCK_INVALIDATE_LIMIT configurable. (szetszwo)
HDFS-1655. Federation: DatablockScanner should scan blocks for
all the block pools. (jitendra)
HDFS-1664. Federation: Add block pool storage usage to Namenode WebUI.
(Tanping via suresh)
HDFS-1674. Federation: Rename BlockPool class to BlockPoolSlice.
(jghoman, Tanping via suresh)
HDFS-1673. Federation: Datanode changes to track block token secret per
namenode. (suresh)
HDFS-1677. Federation: Fix TestFsck and TestListCorruptFileBlocks
failures. (Tanping via suresh)
HDFS-1678. Federation: Remove unnecessary #getBlockpool()
for NameNodeMXBean in FSNameSystem. (Tanping via Suresh)
HDFS-1688. Federation: Fix failures in fault injection tests,
TestDiskError, TestDatanodeRestart and TestDFSTartupVersions. (suresh)
HDFS-1696. Federation: when build version doesn't match -
datanode should wait (keep connecting) untill NN comes up
with the right version (boryas)
HDFS-1681. Balancer: support per pool and per node policies. (szetszwo)
HDFS-1695. Federation: Fix testOIV and TestDatanodeUtils
(jhoman and tanping via boryas)
HDFS-1699. Federation: Fix failure of TestBlockReport.
(Matt Foley via suresh)
HDFS-1698. Federation: TestOverReplicatedBlocks and TestWriteToReplica
failing. (jhoman and jitendra)
HDFS-1701. Federation: Fix TestHeartbeathandling.
(Erik Steffl and Tanping Wang via suresh)
HDFS-1693. Federation: Fix TestDFSStorageStateRecovery failure. (suresh)
HDFS-1694. Federation: SimulatedFSDataset changes to work with
federation and multiple block pools. (suresh)
HDFS-1689. Federation: Configuration for namenodes. (suresh and jitendra)
HDFS-1682. Change Balancer CLI for multiple namenodes and balancing
policy. (szetszwo)
HDFS-1697. Federation: fix TestBlockRecovery (boryas)
HDFS-1702. Federation: fix TestBackupNode and TestRefreshNamendoes
failures. (suresh)
HDFS-1706. Federation: TestFileAppend2, TestFileAppend3 and
TestBlockTokenWithDFS failing. (jitendra)
HDFS-1704. Federation: Add a tool that lists namenodes, secondary and
backup from configuration file. (suresh)
HDFS-1711. Federation: create method for updating machine name in
DataNode.java (boryas)
HDFS-1712. Federation: when looking up datanode we should use machineNmae
(in testOverReplicatedBlocks) (boryas)
HDFS-1709. Federation: Error "nnaddr url param is null" when clicking on a
node from NN Live Node Link. (jitendra)
HDFS-1714. Federation: refactor upgrade object in DataNode (boryas)
HDFS-1715. Federation: warning/error not generated when datanode sees
inconsistent/different Cluster ID between namenodes (boryas)
HDFS-1715. Federation: warning/error not generated when datanode sees
inconsistent/different Cluster ID between namenodes (boryas)
HDFS-1716. Federation: Add decommission tests for federated namenodes.
(suresh)
HDFS-1713. Federation: Prevent DataBlockScanner from running in tight loop.
(jitendra)
HDFS-1721. Federation: Configuration for principal names should not be
namenode specific. (jitendra)
HDFS-1717. Federation: FSDataset volumeMap access is not synchronized
correctly. (suresh)
HDFS-1722. Federation: Add flag to MiniDFSCluser to differentiate between
federation and non-federation modes. (boryas via suresh)
HDFS-1718. Federation: MiniDFSCluster#waitActive() bug causes some tests
to fail. (suresh)
HDFS-1719. Federation: Fix TestDFSRemove that fails intermittently.
(suresh)
HDFS-1720. Federation: FSVolumeSet volumes is not synchronized correctly.
(suresh)
HDFS-1700. Federation: fsck needs to work with federation changes.
(Matt Foley via suresh)
HDFS-1482. Add listCorruptFileBlocks to DistributedFileSystem.
(Patrick Kling via hairong)
HDFS-1448. Add a new tool Offline Edits Viewer (oev). (Erik Steffl
via szetszwo)
HDFS-1735. Federation: merge FSImage change in federation to
FSImage+NNStorage refactoring in trunk. (suresh)
HDFS-1737. Federation: Update the layout version for federation
changes. (suresh)
HDFS-1744. Federation: Add new layout version to offline image viewer
and edits viewer. (suresh)
HDFS-1745. Federation: Fix fault injection test failures. (suresh)
HDFS-1746. Federation: TestFileAppend3 fails intermittently. (jitendra)
HDFS-1703. Improve start/stop scripts and add decommission tool for
federation. (Tanping Wang, Erik Steffl via suresh)
HDFS-1749. Federation: TestListCorruptFileBlocks failing in federation
branch. (jitendra)
HDFS-1754. Federation: testFsck fails. (boryas)
HDFS-1755. Federation: The BPOfferService must always connect to namenode
as the login user. (jitendra)
HDFS-1675. Support transferring RBW between datanodes. (szetszwo)
HDFS-1791. Federation: Add command to delete block pool directories
from a datanode. (jitendra)
HDFS-1761. Add a new DataTransferProtocol operation, Op.TRANSFER_BLOCK,
for transferring RBW/Finalized with acknowledgement and without using RPC.
(szetszwo)
HDFS-1813. Federation: Authentication using BlockToken in RPC to datanode
fails. (jitendra)
HDFS-1630. Support fsedits checksum. (hairong)
HDFS-1606. Provide a stronger data guarantee in the write pipeline by
adding a new datanode when an existing datanode failed. (szetszwo)
HDFS-1442. Api to get delegation token in Hdfs class. (jitendra)
HDFS-1070. Speedup namenode image loading and saving by storing only
local file names. (hairong)
HDFS-1751. Intrinsic limits for HDFS files, directories (daryn via boryas).
HDFS-1873. Federation: Add cluster management web console.
(Tanping Wang via suresh)
HDFS-1911 HDFS tests for the newly added viewfs
HDFS-1814. Add "hdfs groups" command to query the server-side groups
resolved for a user. (Aaron T. Myers via todd)
HDFS-1914. Federation: namenode storage directories must be configurable
specific to name service. (suresh)
HDFS-1963. Create RPM and Debian packages for HDFS. Changes deployment
layout to be consistent across the binary tgz, rpm, and deb.
(Eric Yang via omalley)
HDFS-2058. Change Data Transfer wire protocol to use protocol buffers.
(todd)
HDFS-2055. Add hflush support to libhdfs. (Travis Crawford via eli)
HDFS-2083. Query JMX statistics over http via JMXJsonServlet. (tanping)
HDFS-2156. Make hdfs and mapreduce rpm only depend on the same major
version for common and hdfs. (eyang via omalley)
HDFS-2202. Add a new DFSAdmin command to set balancer bandwidth of
datanodes without restarting. (Eric Payne via szetszwo)
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)
HDFS-2539. Support doAs and GETHOMEDIRECTORY in WebHDFS.
(szetszwo)
IMPROVEMENTS
HDFS-1875. MiniDFSCluster hard-codes dfs.datanode.address to localhost
(Eric Payne via mattf)
HDFS-2019. Fix all the places where Java method File.list is used with
FileUtil.list API (Bharath Mundlapudi via mattf)
HDFS-1934. Fix NullPointerException when certain File APIs return null
(Bharath Mundlapudi via mattf)
HDFS-1510. Added test-patch.properties required by test-patch.sh (nigel)
HDFS-1628. Display full path in AccessControlException. (John George
via szetszwo)
HDFS-1707. Federation: Failure in browsing data on new namenodes.
(jitendra)
HDFS-1683. Test Balancer with multiple NameNodes. (szetszwo)
HDFS-1547. Improve decommission mechanism. (suresh)
HDFS-2143. Federation: In cluster web console, add link to namenode page
that displays live and dead datanodes. (Ravi Prakash via suresh)
HDFS-1588. Remove hardcoded strings for configuration keys, "dfs.hosts"
and "dfs.hosts.exlude". (Erik Steffl via suresh)
HDFS-1481. NameNode should validate fsimage before rolling. (hairong)
HDFS-1506. Refactor fsimage loading code. (hairong)
HDFS-1533. A more elegant FileSystem#listCorruptFileBlocks API
(HDFS portion) (Patrick Kling via hairong)
HDFS-1476. listCorruptFileBlocks should be functional while the
name node is in safe mode. (Patrick Kling via hairong)
HDFS-1534. Fix some incorrect logs in FSDirectory. (eli)
HDFS-1539. A config option for the datanode to fsycn a block file
when block is completely written. (dhruba)
HDFS-1335. HDFS side change of HADDOP-6904: RPC compatibility. (hairong)
HDFS-1557. Separate Storage from FSImage. (Ivan Kelly via jitendra)
HDFS-560 Enhancements/tuning to hadoop-hdfs/build.xml
HDFS-1629. Add a method to BlockPlacementPolicy for keeping the chosen
nodes in the output array. (szetszwo)
HDFS-1731. Allow using a file to exclude certain tests from build (todd)
HDFS-1736. Remove the dependency from DatanodeJspHelper to FsShell.
(Daryn Sharp via szetszwo)
HDFS-780. Revive TestFuseDFS. (eli)
HDFS-1445. Batch the calls in DataStorage to FileUtil.createHardLink().
(Matt Foley via jghoman)
HDFS-1763. Replace hard-coded option strings with variables from
DFSConfigKeys. (eli)
HDFS-1541. Not marking datanodes dead when namenode in safemode.
(hairong)
HDFS-1120. Make DataNode's block-to-device placement policy pluggable
(Harsh J Chouraria via todd)
HDFS-1785. In BlockReceiver and DataXceiver, clientName.length() is used
multiple times for determining whether the source is a client or a
datanode. (szetszwo)
HDFS-1789. Refactor frequently used codes from DFSOutputStream and
DataXceiver. (szetszwo)
HDFS-1767. Namenode ignores non-initial block report from datanodes
when in safemode during startup. (Matt Foley via suresh)
HDFS-1817. Move pipeline_Fi_[39-51] from TestFiDataTransferProtocol
to TestFiPipelineClose. (szetszwo)
HDFS-1760. In FSDirectory.getFullPathName(..), it is better to return "/"
for root directory instead of an empty string. (Daryn Sharp via szetszwo)
HDFS-1833. Reduce repeated string constructions and unnecessary fields,
and fix comments in BlockReceiver.PacketResponder. (szetszwo)
HDFS-1486. Generalize CLITest structure and interfaces to faciliate
upstream adoption (e.g. for web testing). (cos)
HDFS-1844. Move "fs -help" shell command tests from HDFS to COMMOM; see
also HADOOP-7230. (Daryn Sharp via szetszwo)
HDFS-1840. In DFSClient, terminate the lease renewing thread when all files
being written are closed for a grace period, and start a new thread when
new files are opened for write. (szetszwo)
HDFS-1854. make failure message more useful in
DFSTestUtil.waitReplication(). (Matt Foley via eli)
HDFS-1562. Add rack policy tests. (eli)
HDFS-1856. TestDatanodeBlockScanner waits forever, errs without giving
information. (Matt Foley via eli)
HDFS-1295. Improve namenode restart times by short-circuiting the
first block reports from datanodes. (Matt Foley via suresh)
Corrected merge error in DataNode.java. (Matt Foley)
HDFS-1843. Discover file not found early for file append.
(Bharath Mundlapudi via jitendra)
HDFS-1862. Improve test reliability of HDFS-1594. (Aaron T. Myers via eli)
HDFS-1846. Preallocate edit log with OP_INVALID instead of zero bytes
to ensure blocks are actually allocated. (Aaron T. Myers via todd)
HDFS-1741. Provide a minimal pom file to allow integration of HDFS into Sonar
analysis (cos)
HDFS-1870. Move and rename DFSClient.LeaseChecker to a seperated class
LeaseRenewer. (szetszwo)
HDFS-1866. Document dfs.datanode.max.transfer.threads in hdfs-default.xml
(Harsh J Chouraria via todd)
HDFS-1890. Improve the name, class and value type of the map
LeaseRenewer.pendingCreates. (szetszwo)
HDFS-1865. Share LeaseRenewer among DFSClients so that there is only a
LeaseRenewer thread per namenode per user. (szetszwo)
HDFS-1906. Remove logging exception stack trace in client logs when one of
the datanode targets to read from is not reachable. (suresh)
HDFS-1378. Edit log replay should track and report file offsets in case of
errors. (Aaron T. Myers and Todd Lipcon via todd)
HDFS-1917. Separate hdfs jars from common in ivy configuration. (Eric Yang
via szetszwo)
HDFS-1899. GenericTestUtils.formatNamenode should be moved to DFSTestUtil
(Ted Yu via todd)
HDFS-1117. Metrics 2.0 HDFS instrumentation. (Luke Lu via suresh)
HDFS-1946. HDFS part of HADOOP-7291. (eli)
HDFS-1945. Removed the deprecated fields in DataTransferProtocol.
(szetszwo)
HDFS-1730. Use DaemonFactory from common and delete it from HDFS.
(Tanping via suresh)
HDFS-1573. Add useful tracing information to Lease Renewer thread names
(todd)
HDFS-1939. In ivy.xml, test conf should not extend common conf.
(Eric Yang via szetszwo)
HDFS-1332 Include more information in exceptions and debug messages
when BlockPlacementPolicy cannot be satisfied. (Ted Yu via szetszwo)
HDFS-1958. Confirmation should be more lenient of user input when
formatting the NameNode. (todd)
HDFS-1905. Improve namenode -format command by not making -clusterId
parameter mandatory. (Bharath Mundlapudi via suresh)
HDFS-1877. Add a new test for concurrent read and write. (CW Chung
via szetszwo)
HDFS-1959. Better error message for missing namenode directory. (eli)
HDFS-1996. ivy: hdfs test jar should be independent to common test jar.
(Eric Yang via szetszwo)
HDFS-1812. TestHDFSCLI should clean up cluster in teardown method.
(Uma Maheswara Rao G via todd)
HDFS-1884. Improve TestDFSStorageStateRecovery to properly throw in the
case of errors. (Aaron T. Myers via todd)
HDFS-1727. fsck command should display command usage if user passes any
illegal argument. (Sravan Kumar via todd)
HDFS-1636. If dfs.name.dir points to an empty dir, namenode format
shouldn't require confirmation. (Harsh J Chouraria via todd)
HDFS-1966. Encapsulate individual DataTransferProtocol op headers.
(szetszwo)
HDFS-2024. Format TestWriteRead source codes. (CW Chung via szetszwo)
HDFS-1968. Enhance TestWriteRead to support position/sequential read,
append, truncate and verbose options. (CW Chung via szetszwo)
HDFS-1986. Add option to get http/https address from
DFSUtil#getInfoServer(). (Tanping via suresh)
HDFS-2029. In TestWriteRead, check visible length immediately after
openning the file and fix code style. (John George via szetszwo)
HDFS-2040. Only build libhdfs if a flag is passed. (eli)
HDFS-1586. Add InterfaceAudience and InterfaceStability annotations to
MiniDFSCluster. (suresh)
HDFS-2003. Separate FSEditLog reading logic from edit log memory state
building logic. (Ivan Kelly via todd)
HDFS-2066. Create a package and individual class files for
DataTransferProtocol. (szetszwo)
HADOOP-7106. Reorganize project SVN layout to "unsplit" the projects.
(todd, nigel)
HDFS-2046. Force entropy to come from non-true random for tests. (todd)
HDFS-2073. Add @Override annotation to NameNode. (suresh)
HDFS-420. Fuse-dfs should cache fs handles. (Brian Bockelman and eli)
HDFS-1568. Improve the log messages in DataXceiver. (Joey Echeverria via
szetszwo)
HDFS-2100. Improve TestStorageRestore. (atm)
HDFS-2092. Remove some object references to Configuration in DFSClient.
(Bharath Mundlapudi via szetszwo)
HDFS-2087. Declare methods in DataTransferProtocol interface, and change
Sender and Receiver to implement the interface. (szetszwo)
HDFS-1723. quota errors messages should use the same scale. (Jim Plush via
atm)
HDFS-2110. StreamFile and ByteRangeInputStream cleanup. (eli)
HDFS-2107. Move block management code from o.a.h.h.s.namenode to a new
package o.a.h.h.s.blockmanagement. (szetszwo)
HDFS-2109. Store uMask as member variable to DFSClient.Conf. (Bharath
Mundlapudi via szetszwo)
HDFS-2111. Add tests for ensuring that the DN will start with a few bad
data directories. (Harsh J Chouraria via todd)
HDFS-2134. Move DecommissionManager to the blockmanagement package.
(szetszwo)
HDFS-1977. Stop using StringUtils.stringifyException().
(Bharath Mundlapudi via jitendra)
HDFS-2131. Add new tests for the -overwrite/-f option in put and
copyFromLocal by HADOOP-7361. (Uma Maheswara Rao G via szetszwo)
HDFS-2140. Move Host2NodesMap to the blockmanagement package. (szetszwo)
HDFS-2154. In TestDFSShell, use TEST_ROOT_DIR and fix some deprecated
warnings. (szetszwo)
HDFS-2153. Move DFSClientAdapter to test and fix some javac warnings in
OfflineEditsViewerHelper. (szetszwo)
HDFS-2159. Deprecate DistributedFileSystem.getClient() and fixed the
deprecated warnings in DFSAdmin. (szetszwo)
HDFS-2157. Improve header comment in o.a.h.hdfs.server.namenode.NameNode.
(atm via eli)
HDFS-2147. Move cluster network topology to block management and fix some
javac warnings. (szetszwo)
HDFS-2141. Remove NameNode roles Active and Standby (they become
states of the namenode). (suresh)
HDFS-2161. Move createNamenode(..), createClientDatanodeProtocolProxy(..)
and Random object creation to DFSUtil; move DFSClient.stringifyToken(..)
to DelegationTokenIdentifier. (szetszwo)
HDFS-1774. Small optimization to FSDataset. (Uma Maheswara Rao G via eli)
HDFS-2167. Move dnsToSwitchMapping and hostsReader from FSNamesystem to
DatanodeManager. (szetszwo)
HDFS-2116. Use Mokito in TestStreamFile and TestByteRangeInputStream.
(Plamen Jeliazkov via shv)
HDFS-2112. Move ReplicationMonitor to block management. (Uma Maheswara
Rao G via szetszwo)
HDFS-1739. Add available volume size to the error message when datanode
throws DiskOutOfSpaceException. (Uma Maheswara Rao G via szetszwo)
HDFS-2144. If SNN shuts down during initialization it does not log the
cause. (Ravi Prakash via atm)
HDFS-2180. Refactor NameNode HTTP server into new class. (todd)
HDFS-2198. Remove hardcoded configuration keys. (suresh)
HDFS-2149. Move EditLogOp serialization formats into FsEditLogOp
implementations. (Ivan Kelly via todd)
HDFS-2191. Move datanodeMap from FSNamesystem to DatanodeManager.
(szetszwo)
HDFS-2200. Change FSNamesystem.LOG to package private. (szetszwo)
HDFS-2195. Refactor StorageDirectory to not be an non-static inner class.
(todd via eli)
HDFS-2212. Refactor double-buffering code out of EditLogOutputStreams.
(todd via eli)
HDFS-2199. Move blockTokenSecretManager from FSNamesystem to BlockManager.
(Uma Maheswara Rao G via szetszwo)
HDFS-2187. Make EditLogInputStream act like an iterator over FSEditLogOps
(Ivan Kelly and todd via todd)
HDFS-2225. Refactor edit log file management so it's not in classes
which should be generic to the type of edit log storage. (Ivan Kelly
via todd)
HDFS-2108. Move datanode heartbeat handling from namenode package to
blockmanagement package. (szetszwo)
HDFS-2226. Clean up counting of operations in FSEditLogLoader (todd)
HDFS-2228. Move block and datanode code from FSNamesystem to
BlockManager and DatanodeManager. (szetszwo)
HDFS-2238. In NamenodeFsck.toString(), uses StringBuilder.(..) instead of
string concatenation. (Uma Maheswara Rao G via szetszwo)
HDFS-2230. ivy to resolve/retrieve latest common-tests jar published by
hadoop common maven build. (gkesavan)
HDFS-2227. getRemoteEditLogManifest should pull its information from
FileJournalManager during checkpoint process (Ivan Kelly and Todd Lipcon
via todd)
HDFS-2239. Reduce access levels of the fields and methods in FSNamesystem.
(szetszwo)
HDFS-2241. Remove implementing FSConstants interface to just get the
constants from the interface. (suresh)
HDFS-2237. Change UnderReplicatedBlocks from public to package private.
(szetszwo)
HDFS-2233. Add WebUI tests with URI reserved chars. (eli)
HDFS-2265. Remove unnecessary BlockTokenSecretManager fields/methods from
BlockManager. (szetszwo)
HDFS-2260. Refactor BlockReader into an interface and implementation.
(todd)
HDFS-2096. Mavenization of hadoop-hdfs (Alejandro Abdelnur via tomwhite)
HDFS-2273. Refactor BlockManager.recentInvalidateSets to a new class.
(szetszwo)
HDFS-2266. Add Namesystem and SafeMode interfaces to avoid directly
referring to FSNamesystem in BlockManager. (szetszwo)
HDFS-1217. Change some NameNode methods from public to package private.
(Laxman via szetszwo)
HDFS-1620. Rename HdfsConstants -> HdfsServerConstants, FSConstants ->
HdfsConstants. (Harsh J Chouraria via atm)
HDFS-2197. Refactor RPC call implementations out of NameNode class (todd)
HDFS-2332. Add test for HADOOP-7629 (using an immutable FsPermission
object as an RPC parameter fails). (todd)
HDFS-2363. Move datanodes size printing from FSNamesystem.metasave(..)
to BlockManager. (Uma Maheswara Rao G via szetszwo)
HDFS-2209. Make MiniDFS easier to embed in other apps. (stevel)
HDFS-2205. Log message for failed connection to datanode is not
followed by a success message. (Ravi Prakash via stevel)
HDFS-2401. Running a set of methods in a Single Test Class.
(Jonathan Eagles via mahadev)
HDFS-2471. Add federation documentation. (suresh)
HDFS-2485. Improve code layout and constants in UnderReplicatedBlocks
(stevel)
HDFS-2356. Support case insensitive query parameter names in WebHDFS.
(szetszwo)
HDFS-2368. Move SPNEGO conf properties from hdfs-default.xml to
hdfs-site.xml. (szetszwo)
HDFS-2395. Add a root element in the JSON responses of WebHDFS.
(szetszwo)
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)
HDFS-1869. mkdirs should use the supplied permission for all of the created
directories. (Daryn Sharp via szetszwo)
HDFS-2355. Federation: enable using the same configuration file across
all the nodes in the cluster. (suresh)
HDFS-2371. Refactor BlockSender.java for better readability. (suresh)
HDFS-2493. Remove reference to FSNamesystem in blockmanagement classes.
(szetszwo)
HDFS-2294. Download of commons-daemon TAR should not be under target (tucu)
HDFS-2322. the build fails in Windows because commons-daemon TAR cannot be
fetched. (tucu)
HDFS-2436. Change FSNamesystem.setTimes(..) for allowing setting times on
directories. (Uma Maheswara Rao G via szetszwo)
HDFS-2512. Add textual error message to data transfer protocol responses
(todd)
HDFS-2521. Remove custom checksum headers from data transfer protocol
(todd)
HDFS-2308. NamenodeProtocol.endCheckpoint is vestigial and can be removed.
(eli)
HDFS-2507. Allow saveNamespace operations to be canceled. (todd)
OPTIMIZATIONS
HDFS-1458. Improve checkpoint performance by avoiding unnecessary image
downloads and loading. (hairong)
HDFS-1601. Pipeline ACKs are sent as lots of tiny TCP packets (todd)
HDFS-1826. NameNode should save image to name directories in parallel
during upgrade. (Matt Foley via hairong)
HDFS-2030. Improve usability of namenode -upgrade command.
(Bharath Mundlapudi via suresh)
HDFS-2056. Update fetchdt usage. (Tanping Wang via jitendra)
HDFS-2118. Couple dfs data dir improvements. (eli)
HDFS-2500. Avoid file system operations in BPOfferService thread while
processing deletes. (todd)
HDFS-2465. Add HDFS support for fadvise readahead and drop-behind. (todd)
BUG FIXES
HDFS-2344. Fix the TestOfflineEditsViewer test failure in 0.23 branch.
(Uma Maheswara Rao G via mattf)
HDFS-2347. Fix checkpointTxnCount's comment about editlog size.
(Uma Maheswara Rao G via mattf)
HDFS-2011. Removal and restoration of storage directories on checkpointing
failure doesn't work properly. (Ravi Prakash via mattf)
HDFS-1955. FSImage.doUpgrade() was made too fault-tolerant by HDFS-1826.
(mattf)
HDFS-2061. Two minor bugs in BlockManager block report processing. (mattf)
HDFS-1449. Fix test failures - ExtendedBlock must return
block file name in #getBlockName(). (suresh)
HDFS-1680. Fix TestBalancer. (szetszwo)
HDFS-1705. Balancer command throws NullPointerException. (suresh via
szetszwo)
HDFS-1559. Add missing UGM overrides to TestRefreshUserMappings
(Todd Lipcon via eli)
HDFS-1585. Fix build after HDFS-1547 (todd)
HDFS-1684. Balancer cannot start with with multiple namenodes. (szetszwo)
HDFS-1516. mvn-install is broken after 0.22 branch creation. (cos)
HDFS-1360. TestBlockRecovery should bind ephemeral ports.
(Todd Lipcon via hairong)
HDFS-1551. Fix pom templates dependency list (gkesavan)
HDFS-1509. A savenamespace command writes the fsimage and edits into
all configured directories. (dhruba)
HDFS-1540. Make Datanode handle errors from RPC calls to namenode
more elegantly. (dhruba)
HDFS-1463. Accesstime of a file is not updated in safeMode. (dhruba)
HDFS-863. Potential deadlock in TestOverReplicatedBlocks.
(Ken Goodhope via jghoman)
HDFS-1607. Fix referenced to misspelled method name getProtocolSigature
(todd)
HDFS-1610. Fix TestClientProtocolWithDelegationToken and TestBlockToken
on trunk after HADOOP-6904 (todd)
HDFS-1600. Fix release audit warnings on trunk. (todd)
HDFS-1691. Remove a duplicated static initializer for reading default
configurations in DFSck. (Alexey Diomin via szetszwo)
HDFS-1748. Balancer utilization classification is incomplete. (szetszwo)
HDFS-1738. change hdfs jmxget to return an empty string instead of
null when an attribute value is not available (tanping vi boryas)
HDFS-1757. Don't compile fuse-dfs by default. (eli)
HDFS-1770. TestFiRename fails due to invalid block size. (eli)
HDFS-1797. Fix new findbugs warning introduced by HDFS-1120 (todd)
HDFS-1611. Fix up some log messages in DFSClient and MBean registration
(Uma Maheswara Rao G via todd)
HDFS-1543. Reduce dev. cycle time by moving system testing artifacts from
default build and push to maven for HDFS (Luke Lu via cos)
HDFS-1818. TestHDFSCLI is failing on trunk after HADOOP-7202.
(Aaron T. Myers via todd)
HDFS-1828. TestBlocksWithNotEnoughRacks intermittently fails assert.
(Matt Foley via eli)
HDFS-1824. delay instantiation of file system object until it is
needed (linked to HADOOP-7207) (boryas)
HDFS-1831. Fix append bug in FileContext and implement CreateFlag
check (related to HADOOP-7223). (suresh)
HDFS-1594. When the disk becomes full Namenode is getting shutdown and
not able to recover. (Aaron T. Myers via eli)
HDFS-1822. Handle editlog opcode conflict with 0.20.203 during upgrade,
by throwing an error to indicate the editlog needs to be empty.
(suresh)
HDFS-1808. TestBalancer waits forever, errs without giving information.
(Matt Foley via eli)
HDFS-1829. TestNodeCount waits forever, errs without giving information.
(Matt Foley via eli)
HDFS-1860. when renewing/canceling DelegationToken over http we need to
pass exception information back to the caller.(boryas)
HDFS-1871. Mapreduce build fails due to MiniDFSCluster change from
HDFS-1052. (suresh)
HDFS-1876. One MiniDFSCluster constructor ignores numDataNodes parameter
(todd)
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)
HDFS-1888. MiniDFSCluster#corruptBlockOnDatanodes() access must be
public. (suresh)
HDFS-1889. incorrect path in start/stop dfs script. (John George via eli)
HDFS-1891. Disable IPV6 for junit tests to fix TestBackupNode failure.
(suresh)
HDFS-1898. Tests failing on trunk due to use of NameNode.format.
(todd via eli)
HDFS-1902. Fix setrep path display for TestHDFSCLI. (Daryn Sharp
via szetszwo)
HDFS-1827. Fix timeout problem in TestBlockReplacement. (Matt Foley
via szetszwo)
HDFS-1908. Fix a NullPointerException in fi.DataTransferTestUtil.
(szetszwo)
HDFS-1912. Update tests for FsShell standardized error messages.
(Daryn Sharp via szetszwo)
HDFS-1903. Fix path display for rm/rmr in TestHDFSCLI and TestDFSShell.
(Daryn Sharp via szetszwo)
HDFS-1627. Fix NullPointerException in Secondary NameNode. (hairong)
HDFS-1928. Fix path display for touchz in TestHDFSCLI.
(Daryn Sharp via todd)
HDFS-1938. Fix ivy-retrieve-hdfs dependence in build.xml and aop.xml.
(Eric Yang via szetszwo)
HDFS-1929. TestEditLogFileOutputStream fails if running on same host as NN
(Aaron T. Myers via todd)
HDFS-1933. Update TestDFSShell for improved "test" shell command. (Daryn
Sharp via todd)
HDFS-1931. Update TestDFSShell for improved "du" shell command. (Daryn
Sharp via todd)
HDFS-1439. HDFS Federation: Fix compilation error in TestFiHftp. (suresh)
HDFS-1881. Federation: after taking snapshot the current directory
of datanode is empty. (Tanping Wang via suresh)
HDFS-1927. Fix a bug which causes ip=null in NameNode audit log.
(John George via szetszwo)
HDFS-1953. Federation: Change name node mxbean name in cluster web
console. (Tanping Wang via suresh)
HDFS-1922. Fix recurring failure of TestJMXGet (Luke Lu via todd)
HDFS-1371. One bad node can incorrectly flag many files as corrupt.
(Tanping Wang via jitendra)
HDFS-1943. Fail to start datanode while start-dfs.sh is executed by
root user. (Wei Yongjun via jghoman)
HDFS-1983. Fix path display for copy and rm commands in TestHDFSCLI and
TestDFSShell. (Daryn Sharp via todd)
HDFS-1999. Tests use deprecated configs. (Aaron T. Myers via eli)
HDFS-1592. Datanode startup doesn't honor volumes.tolerated.
(Bharath Mundlapudi via jitendra)
HDFS-1920. libhdfs does not build for ARM processors.
(Trevor Robinson via eli)
HDFS-1936. Layout version change from HDFS-1822 causes upgrade failure.
(suresh)
HDFS-2021. Update numBytesAcked before sending the ack in PacketResponder.
(John George via szetszwo)
HDFS-2020. Fix TestDFSUpgradeFromImage by removing the use of DataNode
as a singleton. (suresh via todd)
HDFS-2022. ant binary should build libhdfs. (Eric Yang via eli)
HDFS-2014. Change HDFS scripts to work in developer enviroment post
RPM packaging changes. (Eric Yang via suresh)
HDFS-1995. Federation: Minor bug fixes and modification cluster web UI.
(Tanping Wang via suresh)
HDFS-1907. Fix position read for reading still-being-written file in
DFSInputStream. (John George via szetszwo)
HDFS-1923. In TestFiDataTransferProtocol2, reduce random sleep time period
and increase the number of datanodes. (szetszwo)
HDFS-1149. Lease reassignment should be persisted to the edit log.
(Aaron T. Myers via todd)
HDFS-1998. Federation: Make refresh-namenodes.sh refresh all the
namenode. (Tanping Wang via suresh)
HDFS-2041. OP_CONCAT_DELETE doesn't properly restore modification time
of the concatenated file when edit logs are replayed. (todd)
HDFS-2063. libhdfs test is broken. (Eric Yang via eli)
HDFS-2067. Bump DATA_TRANSFER_VERSION constant in trunk after introduction
of protocol buffers in the protocol. (szetszwo via todd)
HDFS-2069. Incorrect default trash interval value in the docs.
(Harsh J Chouraria via eli)
HDFS-1942. Datanode must exist when all the block pool service threads
exit. (Bharath Mundlapudi via suresh)
HDFS-1656. Fixes an issue to do with fetching of delegation tokens in
HftpFileSystem. Contributed by Kan Zhang.
HDFS-1692. In secure mode, Datanode process doesn't exit when disks
fail. (Bharath Mundlapudi via suresh)
HDFS-1734. 'Chunk size to view' option is not working in Name Node UI.
(Uma Maheswara Rao G via jitendra)
HDFS-2086. If the include hosts list contains host names, after restarting
namenode, data nodes registration is denied. Contributed by Tanping Wang.
HDFS-2082. SecondaryNameNode web interface doesn't show the right info. (atm)
HDFS-1321. If service port and main port are the same, there is no clear
log message explaining the issue. (Jim Plush via atm)
HDFS-1381. HDFS javadocs hard-code references to dfs.namenode.name.dir and
dfs.datanode.data.dir parameters (Jim Plush via atm)
HDFS-2053. Bug in INodeDirectory#computeContentSummary warning.
(Michael Noll via eli)
HDFS-1990. Fix resource leaks in BlockReceiver.close(). (Uma Maheswara
Rao G via szetszwo)
HDFS-2034. Length in DFSInputStream.getBlockRange(..) becomes -ve when
reading only from a currently being written block. (John George via
szetszwo)
HDFS-2132. Potential resource leak in EditLogFileOutputStream.close. (atm)
HDFS-2120. on reconnect, DN can connect to NN even with different source
versions. (John George via atm)
HDFS-2152. TestWriteConfigurationToDFS causing the random failures. (Uma
Maheswara Rao G via atm)
HDFS-2114. re-commission of a decommissioned node does not delete
excess replicas. (John George via mattf)
HDFS-1776. Bug in Concat code. (Bharath Mundlapudi via Dmytro Molkov)
HDFS-2196. Make ant build system work with hadoop-common JAR generated
by Maven. (Alejandro Abdelnur via tomwhite)
HDFS-2245. Fix a NullPointerException in BlockManager.chooseTarget(..).
(szetszwo)
HDFS-2229. Fix a deadlock in namenode by enforcing lock acquisition
ordering. (szetszwo)
HDFS-2235. Encode servlet paths. (eli)
HDFS-2186. DN volume failures on startup are not counted. (eli)
HDFS-2240. Fix a deadlock in LeaseRenewer by enforcing lock acquisition
ordering. (szetszwo)
HDFS-73. DFSOutputStream does not close all the sockets.
(Uma Maheswara Rao G via eli)
HDFS-1257. Fix a race condition on BlockManager.recentInvalidateSets.
(Eric Payne via szetszwo)
HDFS-2267. DataXceiver thread name incorrect while waiting on op during
keepalive. (todd)
HDFS-1480. All replicas of a block can end up on the same rack when
some datanodes are decommissioning. (todd)
HDFS-2286. DataXceiverServer logs AsynchronousCloseException at shutdown
(todd)
HDFS-2289. Ensure jsvc is bundled with the HDFS distribution artifact.
(Alejandro Abdelnur via acmurthy)
HDFS-2314. MRV1 test compilation broken after HDFS-2197 (todd)
HDFS-2323. start-dfs.sh script fails for tarball install (tomwhite)
HDFS-2346. TestHost2NodesMap & TestReplicasMap will fail depending upon
execution order of test methods (Laxman via atm)
HDFS-2345. TestLeaseRecovery2 fails on 0.23 branch (Uma Maheswara Rao G
via atm)
HDFS-2412. Add backwards-compatibility layer for renamed FSConstants
class (todd)
HDFS-2414. Fix TestDFSRollback to avoid spurious failures. (todd)
HDFS-2422. The NN should tolerate the same number of low-resource volumes
as failed volumes (atm)
HDFS-2467. HftpFileSystem uses incorrect compare for finding delegation
tokens. (omalley)
HDFS-2331. Fix WebHdfsFileSystem compilation problems for a bug in JDK
version < 1.6.0_26. (Abhijit Suresh Shingate via szetszwo)
HDFS-2333. Change DFSOutputStream back to package private, otherwise,
there are two SC_START_IN_CTOR findbugs warnings. (szetszwo)
HDFS-2366. Initialize WebHdfsFileSystem.ugi in object construction.
(szetszwo)
HDFS-2361. hftp is broken, fixed username checks in JspHelper. (jitendra)
HDFS-2403. NamenodeWebHdfsMethods.generateDelegationToken(..) does not use
the renewer parameter. (szetszwo)
HDFS-2409. _HOST in dfs.web.authentication.kerberos.principal. (jitendra)
HDFS-2404. WebHDFS liststatus json response is not correct. (suresh)
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)
MAPREDUCE-2764. Fix renewal of dfs delegation tokens. (Owen via jitendra)
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-2411. The the auth to local mappings are not being respected, with
WebHDFS enabled. (jitendra)
HDFS-2494. Close the streams and DFSClient in DatanodeWebHdfsMethods.
(Uma Maheswara Rao G via szetszwo)
HDFS-2298. Fix TestDfsOverAvroRpc by changing ClientProtocol to
not include multiple methods of the same name. (cutting)
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-2522. Disable TestDfsOverAvroRpc test. (suresh)
HDFS-2416. distcp with a WebHDFS uri on a secure cluster fails. (jitendra)
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)