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CHANGES.txt
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CHANGES.txt
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Hadoop HDFS Change Log
Trunk (Unreleased)
INCOMPATIBLE CHANGES
HDFS-3034. Remove the deprecated DFSOutputStream.sync() method. (szetszwo)
HDFS-5079. Cleaning up NNHAStatusHeartbeat.State from
DatanodeProtocolProtos. (Tao Luo via shv)
HDFS-5570. Deprecate hftp / hsftp and replace them with webhdfs / swebhdfs.
(wheat9)
HDFS-2538. option to disable fsck dots (Mohammad Kamrul Islam via aw)
HDFS-7302. Remove "downgrade" from "namenode -rollingUpgrade" startup
option since it may incorrectly finalize an ongoing rolling upgrade.
(Kai Sasaki via szetszwo)
HDFS-7985. WebHDFS should be always enabled. (Li Lu via wheat9)
HDFS-7281. Missing block is marked as corrupted block (Ming Ma via
Yongjun Zhang)
HDFS-8349. Remove .xml and documentation references to dfs.webhdfs.enabled.
(Ray Chiang via aajisaka)
HDFS-8241. Remove unused NameNode startup option -finalize.
(Brahma Reddy Battula via aajisaka)
HDFS-8135. Remove the deprecated FSConstants class. (Li Lu via wheat9)
HDFS-8591. Remove support for deprecated configuration key
dfs.namenode.decommission.nodes.per.interval. (wang)
NEW FEATURES
HDFS-3125. Add JournalService to enable Journal Daemon. (suresh)
HDFS-6440. Support more than 2 NameNodes. (Jesse Yates via atm)
IMPROVEMENTS
HDFS-4665. Move TestNetworkTopologyWithNodeGroup to common.
(Junping Du via llu)
HDFS-1620. Rename HdfsConstants -> HdfsServerConstants, FSConstants ->
HdfsConstants. (Harsh J Chouraria via atm)
HDFS-2197. Refactor RPC call implementations out of NameNode class (todd)
HDFS-2572. Remove unnecessary double-check in DN#getHostName. (harsh)
HDFS-2857. Cleanup BlockInfo class. (suresh)
HDFS-2786. Fix host-based token incompatibilities in DFSUtil. (Kihwal Lee
via jitendra)
HDFS-2878. Fix TestBlockRecovery and move it back into main test directory.
(todd)
HDFS-2655. BlockReaderLocal#skip performs unnecessary IO.
(Brandon Li via jitendra)
HDFS-3009. Remove duplicate code in DFSClient#isLocalAddress by using
NetUtils. (Hari Mankude via suresh)
HDFS-3002. TestNameNodeMetrics need not wait for metrics update.
(suresh)
HDFS-3016. Security in unit tests. (Jaimin Jetly via jitendra)
HDFS-3030. Remove getProtocolVersion and getProtocolSignature from translators.
(jitendra)
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-309. FSEditLog should log progress during replay. (Sho Shimauchi
via todd)
HDFS-3131. Improve TestStorageRestore. (Brandon Li via atm)
HDFS-3178. Add states and state handler for journal synchronization in
JournalService. (szetszwo)
HDFS-3273. Refactor BackupImage and FSEditLog, and rename
JournalListener.rollLogs(..) to startLogSegment(..). (szetszwo)
HDFS-3292. Remove the deprecated DiskStatus, getDiskStatus(), getRawUsed()
and getRawCapacity() from DistributedFileSystem. (Arpit Gupta via szetszwo)
HADOOP-8285. HDFS changes for Use ProtoBuf for RpcPayLoadHeader. (sanjay
radia)
HDFS-2743. Streamline usage of bookkeeper journal manager.
(Ivan Kelly via umamahesh)
HDFS-3293. Add toString(), equals(..) and hashCode() to JournalInfo.
(Hari Mankude via szetszwo)
HDFS-3197. Incorrect class comments in a few tests. (Andy Isaacson via eli)
HDFS-3476. Correct the default used in TestDFSClientRetries.busyTest()
after HDFS-3462 (harsh)
HDFS-3478. Test quotas with Long.Max_Value. (Sujay Rau via eli)
HDFS-3630 Modify TestPersistBlocks to use both flush and hflush (sanjay)
HDFS-3768. Exception in TestJettyHelper is incorrect.
(Eli Reisman via jghoman)
HDFS-2580. NameNode#main(...) can make use of GenericOptionsParser. (harsh)
HDFS-2127. Add a test that ensure AccessControlExceptions contain
a full path. (Stephen Chu via eli)
HDFS-3995. Use DFSTestUtil.createFile() for file creation and
writing in test cases. (Jing Zhao via suresh)
HDFS-3735. NameNode WebUI should allow sorting live datanode list by fields
Block Pool Used, Block Pool Used(%) and Failed Volumes.
(Brahma Reddy Battula via suresh)
HDFS-4052. BlockManager#invalidateWork should print log outside the lock.
(Jing Zhao via suresh)
HDFS-3358. Specify explicitly that the NN UI status total is talking
of persistent objects on heap. (harsh)
HDFS-4904. Remove JournalService. (Arpit Agarwal via cnauroth)
HDFS-5041. Add the time of last heartbeat to dead server Web UI (Shinichi
Yamashita via brandonli)
HDFS-5721. sharedEditsImage in Namenode#initializeSharedEdits() should be
closed before method returns. (Ted Yu via junping_du)
HDFS-6228. comments typo fix for FsDatasetImpl.java (zhaoyunjiong via umamahesh)
HDFS-6246. Remove 'dfs.support.append' flag from trunk code. (umamahesh)
HDFS-6609. Use DirectorySnapshottableFeature to represent a snapshottable
directory. (Jing Zhao via wheat9)
HDFS-7591. hdfs classpath command should support same options as hadoop
classpath (Varun Saxena via Arpit Agarwal)
HDFS-316. Balancer should run for a configurable # of iterations (Xiaoyu
Yao via aw)
HDFS-7322. deprecate sbin/hadoop-daemon.sh (aw)
HDFS-7668. Convert site documentation from apt to markdown (Masatake
Iwasaki via aw)
HDFS-7460. Rewrite httpfs to use new shell framework (John Smith via aw)
HDFS-6353. Check and make checkpoint before stopping the NameNode. (jing9)
HDFS-5033. Bad error message for fs -put/copyFromLocal if user
doesn't have permissions to read the source (Darrell Taylor via aw)
OPTIMIZATIONS
BUG FIXES
HADOOP-9635 Fix potential Stack Overflow in DomainSocket.c (V. Karthik Kumar
via cmccabe)
HDFS-2299. TestOfflineEditsViewer is failing on trunk. (Uma Maheswara Rao G
via atm)
HDFS-2310. TestBackupNode fails since HADOOP-7524 went in.
(Ivan Kelly via todd)
HDFS-2313. Rat excludes has a typo for excluding editsStored files. (atm)
HDFS-2314. MRV1 test compilation broken after HDFS-2197 (todd)
HDFS-46. Change default namespace quota of root directory from
Integer.MAX_VALUE to Long.MAX_VALUE. (Uma Maheswara Rao G via szetszwo)
HDFS-2373. Commands using WebHDFS and hftp print unnecessary debug
info on the console with security enabled. (Arpit Gupta via suresh)
HDFS-2776. Missing interface annotation on JournalSet.
(Brandon Li via jitendra)
HDFS-3037. TestMulitipleNNDataBlockScanner#testBlockScannerAfterRestart is
racy. (atm)
HDFS-3116. Typo in fetchdt error message. (AOE Takashi via atm)
HDFS-3126. Journal stream from Namenode to BackupNode needs to have
timeout. (Hari Mankude via suresh)
HDFS-3121. Add HDFS tests for HADOOP-8014 change. (John George via
suresh)
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-3265. PowerPc Build error. (Kumar Ravi via mattf)
HDFS-2312. FSNamesystem javadoc incorrectly says its for DNs. (harsh)
HDFS-3163. TestHDFSCLI.testAll fails if the user name is not all lowercase.
(Brandon Li via atm)
HDFS-3462. TestDFSClientRetries.busyTest() should restore default
xceiver count in the config. (Madhukara Phatak via harsh)
HDFS-3550. Fix raid javadoc warnings. (Jason Lowe via daryn)
HDFS-3549. Fix dist tar build fails in hadoop-hdfs-raid project. (Jason Lowe via daryn)
HDFS-3614. Revert unused MiniDFSCluster constructor from HDFS-3049.
(acmurthy via eli)
HDFS-3792. Fix two findbugs introduced by HDFS-3695 (todd)
HDFS-3827. TestHASafeMode#assertSafemode method should be made static.
(Jing Zhao via suresh)
HDFS-3834. Remove unused static fields NAME, DESCRIPTION and Usage from
Command. (Jing Zhao via suresh)
HDFS-2434. TestNameNodeMetrics.testCorruptBlock fails intermittently.
(Jing Zhao via suresh)
HDFS-4067. TestUnderReplicatedBlocks intermittently fails due to
ReplicaAlreadyExistsException. (Jing Zhao via suresh)
HDFS-4115. TestHDFSCLI.testAll fails one test due to number format.
(Trevor Robinson via suresh)
HDFS-4105. The SPNEGO user for secondary namenode should use the web
keytab. (Arpit Gupta via jitendra)
HDFS-4003. test-patch should build the common native libs before
running hdfs tests. (Colin Patrick McCabe via eli)
HDFS-4260 Fix HDFS tests to set test dir to a valid HDFS path as opposed
to the local build path (Chri Nauroth via Sanjay)
HDFS-4310. fix test org.apache.hadoop.hdfs.server.datanode.
TestStartSecureDataNode (Ivan A. Veselovsky via atm)
HDFS-4275. MiniDFSCluster-based tests fail on Windows due to failure
to delete test namenode directory. (Chris Nauroth via suresh)
HDFS-4338. TestNameNodeMetrics#testCorruptBlock is flaky. (Andrew Wang via
atm)
HDFS-4391. TestDataTransferKeepalive fails when tests are executed in a
certain order. (Andrew Wang via atm)
HDFS-4757. Update FSDirectory#inodeMap when replacing an INodeDirectory
while setting quota. (Jing Zhao via szetszwo)
HDFS-4761. When resetting FSDirectory, the inodeMap should also be reset.
(Jing Zhao via szetszwo)
HDFS-4687. TestDelegationTokenForProxyUser#testWebHdfsDoAs is flaky with
JDK7. (Andrew Wang via atm)
HDFS-3934. duplicative dfs_hosts entries handled wrong. (Colin Patrick
McCabe)
HDFS-5719. FSImage#doRollback() should close prevState before return
(Ted Yu via brandonli)
HDFS-5794. Fix the inconsistency of layout version number of
ADD_DATANODE_AND_STORAGE_UUIDS between trunk and branch-2. (jing9)
HDFS-6694. TestPipelinesFailover.testPipelineRecoveryStress tests fail
intermittently with various symptoms - debugging patch. (Yongjun Zhang via
Arpit Agarwal)
HDFS-6893. crypto subcommand is not sorted properly in hdfs's hadoop_usage
(David Luo via aw)
HDFS-6981. Fix DN upgrade with layout version change. (Arpit Agarwal)
HDFS-7204. balancer doesn't run as a daemon (aw)
HDFS-7319. Remove dead link to HFTP documentation from index.xml.
(Masatake Iwasaki via wheat9)
HDFS-7407. Minor typo in privileged pid/out/log names (aw)
HDFS-7581. HDFS documentation needs updating post-shell rewrite (aw)
HADOOP-11484. hadoop-mapreduce-client-nativetask fails to build on ARM
AARCH64 due to x86 asm statements (Edward Nevill via Colin P. McCabe)
HDFS-7667. Various typos and improvements to HDFS Federation doc
(Charles Lamb via aw)
HDFS-3750. API docs don't include HDFS (Jolly Chen via aw)
HDFS-7320. The appearance of hadoop-hdfs-httpfs site docs is inconsistent
(Masatake Iwasaki via aw)
HDFS-7670. HDFS Quota guide has typos, incomplete command lines
(Brahma Reddy Battula via aw)
HDFS-7669. HDFS Design Doc references commands that no longer exist.
(Brahma Reddy Battula via aw)
HDFS-7755. httpfs shell code has hardcoded path to bash (Dmitry
Sivachenko via aw)
HDFS-7711. Fix various typos in ClusterSetup.md.
(Brahma Reddy Battula via wheat9)
HDFS-7791. dfs count -v should be added to quota documentation (Akira
AJISAKA via aw)
HDFS-7803. Wrong command mentioned in HDFSHighAvailabilityWithQJM
documentation (Arshad Mohammad via aw)
HDFS-4681. TestBlocksWithNotEnoughRacks#testCorruptBlockRereplicatedAcrossRacks
fails using IBM java (Ayappan via aw)
HDFS-8110. Remove unsupported 'hdfs namenode -rollingUpgrade downgrade'
from document. (J.Andreina via aajisaka)
HDFS-7673. synthetic load generator docs give incorrect/incomplete commands
(Brahma Reddy Battula via aw)
HDFS-8332. DFS client API calls should check filesystem closed (Rakesh R via umamahesh)
HDFS-8412. Fix the test failures in HTTPFS. (umamahesh)
HDFS-8627. NPE thrown if unable to fetch token from Namenode
(J.Andreina via vinayakumarb)
HDFS-8657. Update docs for mSNN. (Jesse Yates via atm)
HDFS-8800. hdfs --daemon stop namenode corrupts logs (John Smith via aw)
Release 2.8.0 - UNRELEASED
NEW FEATURES
HDFS-7891. A block placement policy with best rack failure tolerance.
(Walter Su via szetszwo)
HDFS-8131. Implement a space balanced block placement policy (Liu Shaohui
via kihwal)
IMPROVEMENTS
HDFS-8821. Explain message "Operation category X is not supported
in state standby" (Gautam Gopalakrishnan via harsh)
HDFS-3918. EditLogTailer shouldn't log WARN when other node
is in standby mode (todd via harsh)
HDFS-4396. Add START_MSG/SHUTDOWN_MSG for ZKFC
(Liang Xie via harsh)
HDFS-7875. Improve log message when wrong value configured for
dfs.datanode.failed.volumes.tolerated.
(nijel via harsh)
HDFS-2360. Ugly stacktrace when quota exceeds. (harsh)
HDFS-7835. make initial sleeptime in locateFollowingBlock configurable for
DFSClient. (Zhihai Xu via Yongjun Zhang)
HDFS-7829. Code clean up for LocatedBlock. (Takanobu Asanuma via jing9)
HDFS-7854. Separate class DataStreamer out of DFSOutputStream. (Li Bo via
jing9)
HDFS-7713. Implement mkdirs in the HDFS Web UI. (Ravi Prakash via wheat9)
HDFS-7928. Scanning blocks from disk during rolling upgrade startup takes
a lot of time if disks are busy (Rushabh S Shah via kihwal)
HDFS-7990. IBR delete ack should not be delayed. (daryn via kihwal)
HDFS-8004. Use KeyProviderCryptoExtension#warmUpEncryptedKeys when creating
an encryption zone. (awang via asuresh)
HDFS-6263. Remove DRFA.MaxBackupIndex config from log4j.properties.
(Abhiraj Butala via aajisaka)
HDFS-6408. Remove redundant definitions in log4j.properties.
(Abhiraj Butala via aajisaka)
HDFS-7890. Improve information on Top users for metrics in
RollingWindowsManager and lower log level (J.Andreina via vinayakumarb)
HDFS-7645. Rolling upgrade is restoring blocks from trash multiple times.
(Vinayakumar B and Keisuke Ogiwara via Arpit Agarwal)
HDFS-7944. Minor cleanup of BlockPoolManager#getAllNamenodeThreads.
(Arpit Agarwal)
HDFS-7671. hdfs user guide should point to the common rack awareness doc.
(Kai Sasaki via aajisaka)
HDFS-8009. Signal congestion on the DataNode. (wheat9)
HDFS-7978. Add LOG.isDebugEnabled() guard for some LOG.debug(..).
(Walter Su via wang)
HDFS-7888. Change DFSOutputStream and DataStreamer for convenience of
subclassing. (Li Bo via szetszwo)
HDFS-8049. Add @InterfaceAudience.Private annotation to hdfs client
implementation. (Takuya Fukudome via szetszwo)
HDFS-8079. Move dfs.client.retry.* confs from DFSConfigKeys to
HdfsClientConfigKeys.Retry. (szetszwo)
HDFS-8073. Split BlockPlacementPolicyDefault.chooseTarget(..) so it
can be easily overrided. (Walter Su via vinayakumarb)
HDFS-8080. Separate JSON related routines used by WebHdfsFileSystem to a
package local class. (wheat9)
HDFS-8085. Move CorruptFileBlockIterator to a new hdfs.client.impl package.
(szetszwo)
HDFS-8046. Allow better control of getContentSummary (kihwal)
HDFS-8076. Code cleanup for DFSInputStream: use offset instead of
LocatedBlock when possible. (Zhe Zhang via wang)
HDFS-8025. Addendum fix for HDFS-3087 Decomissioning on NN restart can
complete without blocks being replicated. (Ming Ma via wang)
HDFS-8089. Move o.a.h.hdfs.web.resources.* to the client jars. (wheat9)
HDFS-7979. Initialize block report IDs with a random number. (wang)
HDFS-8101. DFSClient use of non-constant DFSConfigKeys pulls in WebHDFS
classes at runtime. (Sean Busbey via atm)
HDFS-8099. Change "DFSInputStream has been closed already" message to
debug log level (Charles Lamb via Colin P. McCabe)
HDFS-8102. Separate webhdfs retry configuration keys from DFSConfigKeys.
(wheat9)
HDFS-8100. Refactor DFSClient.Conf to a standalone class and separates
short-circuit related conf to ShortCircuitConf. (szetszwo)
HDFS-8103. Move BlockTokenSecretManager.AccessMode into
BlockTokenIdentifier. (wheat9)
HDFS-8084. Move dfs.client.failover.* confs from DFSConfigKeys to
HdfsClientConfigKeys.Failover and fix typos in the dfs.http.client.*
configuration keys. (szetszwo)
HDFS-7933. fsck should also report decommissioning replicas.
(Xiaoyu Yao via cnauroth)
HDFS-8083. Move dfs.client.write.* conf from DFSConfigKeys to
HdfsClientConfigKeys.Write. (szetszwo)
HDFS-8117. More accurate verification in SimulatedFSDataset: replace
DEFAULT_DATABYTE with patterned data. (Zhe Zhang via wang)
HDFS-8144. Split TestLazyPersistFiles into multiple tests. (Arpit Agarwal)
HDFS-8082. Move dfs.client.read.*, dfs.client.short.circuit.*,
dfs.client.mmap.* and dfs.client.hedged.read.* conf from DFSConfigKeys
to HdfsClientConfigKeys. (szetszwo)
HDFS-8165. Move GRANDFATHER_GENERATION_STAMP and GRANDFATER_INODE_ID to
hdfs-client. (wheat9)
HDFS-8152. Refactoring of lazy persist storage cases. (Arpit Agarwal)
HDFS-8169. Move LocatedBlocks and related classes to hdfs-client. (wheat9)
HDFS-8133. Improve readability of deleted block check (Daryn Sharp via
Colin P. McCabe)
HDFS-8185. Separate client related routines in HAUtil into a new class.
(wheat9)
HDFS-8218. Move classes that used by ClientProtocol into hdfs-client.
(wheat9)
HDFS-4448. Allow HA NN to start in secure mode with wildcard address
configured (atm via asuresh)
HDFS-8215. Refactor NamenodeFsck#check method. (Takanobu Asanuma
via szetszwo)
HDFS-8052. Move WebHdfsFileSystem into hadoop-hdfs-client. (wheat9)
HDFS-8176. Record from/to snapshots in audit log for snapshot diff report.
(J. Andreina via jing9)
HDFS-8280. Code Cleanup in DFSInputStream. (Jing Zhao via wheat9)
HDFS-8283. DataStreamer cleanup and some minor improvement. (szetszwo via
jing9)
HDFS-5574. Remove buffer copy in BlockReader.skip.
(Binglin Chang via aajisaka)
HDFS-8200. Refactor FSDirStatAndListingOp. (wheat9)
HDFS-8292. Move conditional in fmt_time from dfs-dust.js to status.html.
(Charles Lamb via wang)
HDFS-8086. Move LeaseRenewer to the hdfs.client.impl package. (Takanobu
Asanuma via szetszwo)
HDFS-8249. Separate HdfsConstants into the client and the server side
class. (wheat9)
HDFS-7397. Add more detail to the documentation for the conf key
"dfs.client.read.shortcircuit.streams.cache.size" (Brahma Reddy Battula via
Colin P. McCabe)
HDFS-8237. Move all protocol classes used by ClientProtocol to hdfs-client.
(wheat9)
HDFS-7758. Retire FsDatasetSpi#getVolumes() and use
FsDatasetSpi#getVolumeRefs() instead (Lei (Eddy) Xu via Colin P. McCabe)
HDFS-7847. Modify NNThroughputBenchmark to be able to operate on a remote
NameNode (Charles Lamb via Colin P. McCabe)
HDFS-8314. Move HdfsServerConstants#IO_FILE_BUFFER_SIZE and
SMALL_BUFFER_SIZE to the users. (Li Lu via wheat9)
HDFS-8207. Improper log message when blockreport interval compared with
initial delay. (Brahma Reddy Battula and Ashish Singhi via ozawa)
HDFS-7559. Create unit test to automatically compare HDFS related classes
and hdfs-default.xml. (Ray Chiang via asuresh)
HDFS-5640. Add snapshot methods to FileContext. (Rakesh R via cnauroth)
HDFS-8284. Update documentation about how to use HTrace with HDFS (Masatake
Iwasaki via Colin P. McCabe)
HDFS-8113. Add check for null BlockCollection pointers in
BlockInfoContiguous structures (Chengbing Liu via Colin P. McCabe)
HDFS-6757. Simplify lease manager with INodeID. (wheat9)
HDFS-8327. Simplify quota calculations for snapshots and truncate. (wheat9)
HDFS-8357. Consolidate parameters of INode.CleanSubtree() into a parameter
objects. (Li Lu via wheat9)
HDFS-8255. Rename getBlockReplication to getPreferredBlockReplication.
(Contributed by Zhe Zhang)
HDFS-6184. Capture NN's thread dump when it fails over.
(Ming Ma via aajisaka)
HDFS-8350. Remove old webhdfs.xml and other outdated documentation stuff.
(Brahma Reddy Battula via aajisaka)
HDFS-6888. Allow selectively audit logging ops (Chen He via vinayakumarb)
HDFS-8397. Refactor the error handling code in DataStreamer.
(Tsz Wo Nicholas Sze via jing9)
HDFS-8394. Move getAdditionalBlock() and related functionalities into a
separate class. (wheat9)
HDFS-8157. Writes to RAM DISK reserve locked memory for block files.
(Arpit Agarwal)
HDFS-8345. Storage policy APIs must be exposed via the FileSystem
interface. (Arpit Agarwal)
HDFS-4185. Add a metric for number of active leases (Rakesh R via raviprak)
HDFS-4383. Document the lease limits. (Arshad Mohammad via aajisaka)
HDFS-8421. Move startFile() and related functions into FSDirWriteFileOp.
(wheat9)
HDFS-8377. Support HTTP/2 in datanode. (Duo Zhang via wheat9)
HDFS-8482. Rename BlockInfoContiguous to BlockInfo. (Zhe Zhang via wang)
HDFS-8443. Document dfs.namenode.service.handler.count in hdfs-site.xml.
(J.Andreina via aajisaka)
HDFS-8489. Subclass BlockInfo to represent contiguous blocks.
(Zhe Zhang via jing9)
HDFS-8386. Improve synchronization of 'streamer' reference in
DFSOutputStream. (Rakesh R via wang)
HDFS-8513. Rename BlockPlacementPolicyRackFaultTolarent to
BlockPlacementPolicyRackFaultTolerant. (wang)
HDFS-8532. Make the visibility of DFSOutputStream#streamer member variable
to private. (Rakesh R via wang)
HDFS-8535. Clarify that dfs usage in dfsadmin -report output includes all
block replicas. (Eddy Xu via wang)
HDFS-8432. Introduce a minimum compatible layout version to allow downgrade
in more rolling upgrade use cases. (cnauroth)
HDFS-8116. Cleanup uncessary if LOG.isDebugEnabled() from
RollingWindowManager. (Brahma Reddy Battula via xyao)
HDFS-8553. Document hdfs class path options.
(Brahma Reddy Battula via cnauroth)
HDFS-8552. Fix hdfs CLI usage message for namenode and zkfc.
(Brahma Reddy Battula via xyao)
HDFS-8568. TestClusterId#testFormatWithEmptyClusterIdOption is failing.
(Rakesh R. via xyao)
HDFS-8549. Abort the balancer if an upgrade is in progress. (wang)
HDFS-8573. Move creation of restartMeta file logic from BlockReceiver to
ReplicaInPipeline. (Eddy Xu via wang)
HDFS-7923. The DataNodes should rate-limit their full block reports by
asking the NN on heartbeat messages (cmccabe)
HDFS-8540. Mover should exit with NO_MOVE_BLOCK if no block can be moved.
(surendra singh lilhore via szetszwo)
HDFS-8606. Cleanup DFSOutputStream by removing unwanted changes
from HDFS-8386. (Rakesh R via szetszwo)
HDFS-9608. Merge HDFS-7912 to trunk and branch-2 (track BlockInfo instead
of Block in UnderReplicatedBlocks and PendingReplicationBlocks).
(Zhe Zhang via wang)
HDFS-8238. Move ClientProtocol to the hdfs-client.
(Takanobu Asanuma via wheat9)
HDFS-8446. Separate safemode related operations in GetBlockLocations().
(wheat9)
HDFS-8589. Fix unused imports in BPServiceActor and BlockReportLeaseManager
(cmccabe)
HDFS-6249. Output AclEntry in PBImageXmlWriter.
(surendra singh lilhore via aajisaka)
HDFS-8605. Merge Refactor of DFSOutputStream from HDFS-7285 branch.
(vinayakumarb via wang)
HDFS-8582. Support getting a list of reconfigurable config properties and
do not generate spurious reconfig warnings (Lei (Eddy) Xu via Colin P.
McCabe)
HDFS-8192. Eviction should key off used locked memory instead of
ram disk free space. (Arpit Agarwal)
HDFS-6564. Use slf4j instead of common-logging in hdfs-client.
(Rakesh R via wheat9)
HDFS-8639. Add Option for NameNode HTTP port in MiniDFSClusterManager.
(Kai Sasaki via jing9)
HDFS-8462. Implement GETXATTRS and LISTXATTRS operations for WebImageViewer.
(Jagadesh Kiran N via aajisaka)
HDFS-8640. Make reserved RBW space visible through JMX. (kanaka kumar
avvaru via Arpit Agarwal)
HDFS-8665. Fix replication check in DFSTestUtils#waitForReplication. (wang)
HDFS-8546. Use try with resources in DataStorage and Storage. (wang)
HDFS-8651. Make hadoop-hdfs-project Native code -Wall-clean (Alan Burlison
via Colin P. McCabe)
HDFS-8653. Code cleanup for DatanodeManager, DatanodeDescriptor and
DatanodeStorageInfo. (Zhe Zhang via wang)
HDFS-8493. Consolidate truncate() related implementation in a single class.
(Rakesh R via wheat9)
HDFS-8635. Migrate HDFS native build to new CMake framework (Alan Burlison
via Colin P. McCabe)
HDFS-8666. Speedup the TestMover tests. (Walter Su via jing9)
HDFS-8703. Merge refactor of DFSInputStream from ErasureCoding branch
(vinayakumarb)
HDFS-8709. Clarify automatic sync in FSEditLog#logEdit. (wang)
HDFS-8711. setSpaceQuota command should print the available storage type
when input storage type is wrong. (Brahma Reddy Battula via xyao)
HDFS-8620. Clean up the checkstyle warinings about ClientProtocol.
(Takanobu Asanuma via wheat9)
HDFS-8712. Remove 'public' and 'abstracta modifiers in FsVolumeSpi and
FsDatasetSpi (Lei (Eddy) Xu via vinayakumarb)
HDFS-8726. Move protobuf files that define the client-sever protocols to
hdfs-client. (wheat9)
HDFS-8751. Remove setBlocks API from INodeFile and misc code cleanup. (Zhe
Zhang via jing9)
HDFS-8541. Mover should exit with NO_MOVE_PROGRESS if there is no move
progress. (Surendra Singh Lilhore via szetszwo)
HDFS-8742. Inotify: Support event for OP_TRUNCATE.
(Surendra Singh Lilhore via aajisaka)
HDFS-7314. When the DFSClient lease cannot be renewed, abort open-for-write
files rather than the entire DFSClient. (mingma)
HDFS-8794. Improve CorruptReplicasMap#corruptReplicasMap. (yliu)
HDFS-7483. Display information per tier on the Namenode UI.
(Benoy Antony and wheat9 via wheat9)
HDFS-8721. Add a metric for number of encryption zones.
(Rakesh R via cnauroth)
HDFS-8495. Consolidate append() related implementation into a single class.
(Rakesh R via wheat9)
HDFS-8795. Improve InvalidateBlocks#node2blocks. (yliu)
HDFS-8797. WebHdfsFileSystem creates too many connections for pread. (jing9)
HDFS-8730. Clean up the import statements in ClientProtocol.
(Takanobu Asanuma via wheat9)
HDFS-8735. Inotify: All events classes should implement toString() API.
(Surendra Singh Lilhore via aajisaka)
HDFS-7858. Improve HA Namenode Failover detection on the client. (asuresh)
HDFS-8180. AbstractFileSystem Implementation for WebHdfs. (snayak via jghoman)
HDFS-8811. Move BlockStoragePolicy name's constants from
HdfsServerConstants.java to HdfsConstants.java (vinayakumarb)
HDFS-8822. Add SSD storagepolicy tests in TestBlockStoragePolicy#
testDefaultPolicies (vinayakumarb)
HDFS-8816. Improve visualization for the Datanode tab in the NN UI. (wheat9)
HDFS-7192. DN should ignore lazyPersist hint if the writer is
not local. (Arpit Agarwal)
HDFS-6860. BlockStateChange logs are too noisy. (Chang Li and xyao via xyao)
HDFS-8815. DFS getStoragePolicy implementation using single RPC call
(Surendra Singh Lilhore via vinayakumarb)
HDFS-8856. Make LeaseManager#countPath O(1). (Arpit Agarwal)
HDFS-8772. Fix TestStandbyIsHot#testDatanodeRestarts which occasionally fails.
(Walter Su via wang)
HDFS-8818. Changes the global moveExecutor to per datanode executors and
changes MAX_SIZE_TO_MOVE to be configurable. (szetszwo)
HDFS-8805. Archival Storage: getStoragePolicy should not need superuser privilege.
(Brahma Reddy Battula via jing9)
HDFS-8887. Expose storage type and storage ID in BlockLocation. (wang)
HDFS-8622. Implement GETCONTENTSUMMARY operation for WebImageViewer.
(Jagadesh Kiran N via aajisaka)
HDFS-7649. Multihoming docs should emphasize using hostnames in
configurations. (Brahma Reddy Battula via Arpit Agarwal)
HDFS-8824. Do not use small blocks for balancing the cluster. (szetszwo)
HDFS-8883. NameNode Metrics : Add FSNameSystem lock Queue Length.
(Anu Engineer via xyao)
HDFS-8713. Convert DatanodeDescriptor to use SLF4J logging. (wang)
HDFS-6407. Add sorting and pagination in the datanode tab of the NN Web UI.
(wheat9)
HDFS-8801. Convert BlockInfoUnderConstruction as a feature.
(Jing Zhao via wheat9)
OPTIMIZATIONS
HDFS-8026. Trace FSOutputSummer#writeChecksumChunks rather than
DFSOutputStream#writeChunk (cmccabe)
HDFS-7433. Optimize performance of DatanodeManager's node map.
(daryn via kihwal)
HDFS-8792. BlockManager#postponedMisreplicatedBlocks should use a
LightWeightHashSet to save memory (Yi Liu via Colin P. McCabe)
BUG FIXES
HDFS-7501. TransactionsSinceLastCheckpoint can be negative on SBNs.
(Gautam Gopalakrishnan via harsh)
HDFS-5356. MiniDFSCluster should close all open FileSystems when shutdown()
(Rakesh R via vinayakumarb)
HDFS-7867. Update action param from "start" to "prepare" in rolling upgrade
javadoc (J.Andreina via vinayakumarb)
HDFS-3325. When configuring "dfs.namenode.safemode.threshold-pct" to a value
greater or equal to 1 there is mismatch in the UI report
(J.Andreina via vinayakumarb)
HDFS-8002. Website refers to /trash directory. (Brahma Reddy Battula via
aajisaka)
HDFS-7261. storageMap is accessed without synchronization in
DatanodeDescriptor#updateHeartbeatState() (Brahma Reddy Battula via Colin
P. McCabe)
HDFS-7997. The first non-existing xattr should also throw IOException.
(zhouyingchao via yliu)
HDFS-7922. ShortCircuitCache#close is not releasing
ScheduledThreadPoolExecutors (Rakesh R via Colin P. McCabe)
HDFS-5215. dfs.datanode.du.reserved is not considered while computing
available space ( Brahma Reddy Battula via Yongjun Zhang)
HDFS-7725. Incorrect "nodes in service" metrics caused all writes to fail.
(Ming Ma via wang)
HDFS-8096. DatanodeMetrics#blocksReplicated will get incremented early and
even for failed transfers (vinayakumarb)
HDFS-7939. Two fsimage_rollback_* files are created which are not deleted
after rollback. (J.Andreina via vinayakumarb)
HDFS-8111. NPE thrown when invalid FSImage filename given for
'hdfs oiv_legacy' cmd ( surendra singh lilhore via vinayakumarb )
HDFS-7701. Support reporting per storage type quota and usage
with hadoop/hdfs shell. (Peter Shi via Arpit Agarwal)
HDFS-6666. Abort NameNode and DataNode startup if security is enabled but
block access token is not enabled. (Vijay Bhat via cnauroth)
HDFS-8055. NullPointerException when topology script is missing.
(Anu Engineer via cnauroth)
HDFS-8142. DistributedFileSystem encryption zone commands should resolve
relative paths. (Rakesh R via wang)
HDFS-7863. Missing description of some methods and parameters in javadoc of
FSDirDeleteOp. (Brahma Reddy Battula via ozawa)
HDFS-8043. NPE in MiniDFSCluster teardown. (Brahma Reddy Battula via ozawa)
HDFS-8173. NPE thrown at DataNode shutdown when HTTP server was not able to
create (surendra singh lilhore via vinayakumarb)
HDFS-7993. Provide each Replica details in fsck (J.Andreina via vinayakumarb)
HDFS-8217. During block recovery for truncate Log new Block Id in case of
copy-on-truncate is true. (vinayakumarb)
HDFS-8231. StackTrace displayed at client while QuotaByStorageType exceeds
(J.Andreina and Xiaoyu Yao via vinayakumarb)
HDFS-8191. Fix byte to integer casting in SimulatedFSDataset#simulatedByte.
(Zhe Zhang via wang)
HDFS-8211. DataNode UUID is always null in the JMX counter. (Anu Engineer
via Arpit Agarwal)
HDFS-8247. TestDiskspaceQuotaUpdate#testAppendOverTypeQuota is failing.
(Xiaoyu Yao via cnauroth)
HDFS-8206. Fix the typos in hadoop-hdfs-httpfs. (Brahma Reddy Battula via xyao)
HDFS-8205. CommandFormat#parse() should not parse option as
value of option. (Peter Shi and Xiaoyu Yao via Arpit Agarwal)
HDFS-8232. Missing datanode counters when using Metrics2 sink interface.
(Anu Engineer via cnauroth)
HDFS-8214. Secondary NN Web UI shows wrong date for Last Checkpoint. (clamb via wang)
HDFS-8300. Fix unit test failures and findbugs warning caused by HDFS-8283.
(jing9)
HDFS-8276. LazyPersistFileScrubber should be disabled if scrubber interval
configured zero. (Surendra Singh Lilhore via Arpit Agarwal)
HDFS-8229. LAZY_PERSIST file gets deleted after NameNode restart.
(Surendra Singh Lilhore via Arpit Agarwal)
HDFS-8309. Skip unit test using DataNodeTestUtils#injectDataDirFailure() on Windows.
(xyao)
HDFS-8290. WebHDFS calls before namesystem initialization can cause
NullPointerException. (cnauroth)
HDFS-8219. setStoragePolicy with folder behavior is different after cluster restart.
(surendra singh lilhore via Xiaoyu Yao)
HDFS-8310. Fix TestCLI.testAll "help: help for find" on Windows.
(Kiran Kumar M R via Xiaoyu Yao)
HDFS-2484. checkLease should throw FileNotFoundException when file does
not exist. (Rakesh R via shv)
HDFS-7833. DataNode reconfiguration does not recalculate valid volumes
required, based on configured failed volumes tolerated.
(Lei (Eddy) Xu via cnauroth)
HDFS-8325. Misspelling of threshold in log4j.properties for tests.
(Brahma Reddy Battula via aajisaka)
HDFS-8321. CacheDirectives and CachePool operations should throw
RetriableException in safemode. (wheat9)
HDFS-8037. CheckAccess in WebHDFS silently accepts malformed FsActions
parameters. (wheat9)
HDFS-8257. Namenode rollingUpgrade option is incorrect in document
(J.Andreina via vinayakumarb)
HDFS-8067. haadmin prints out stale help messages (Ajith S via vinayakumarb)
HDFS-8174. Update replication count to live rep count in fsck report. (J.Andreina)
HDFS-6291. FSImage may be left unclosed in BootstrapStandby#doRun()
(Sanghyun Yun via vinayakumarb)
HDFS-7998. HDFS Federation : Command mentioned to add a NN to existing
federated cluster is wrong (Ajith S via vinayakumarb)
HDFS-8222. Remove usage of "dfsadmin -upgradeProgress" from document which
is no longer supported. (J.Andreina via aajisaka)
HDFS-8108. Fsck should provide the info on mandatory option to be used along with "-blocks ,
-locations and -racks" (J.Andreina via umamahesh)
HDFS-8187. Remove usage of "-setStoragePolicy" and "-getStoragePolicy" using
dfsadmin cmd (as it is not been supported) (J.Andreina via vinayakumarb)
HDFS-8175. Provide information on snapshotDiff for supporting the comparison
between snapshot and current status (J.Andreina via vinayakumarb)
HDFS-8209. Support different number of datanode directories in MiniDFSCluster.
(surendra singh lilhore via vinayakumarb)
HDFS-6576. Datanode log is generating at root directory in security mode
(surendra singh lilhore via vinayakumarb)
HDFS-3384. DataStreamer thread should be closed immediatly when failed to
setup a PipelineForAppendOrRecovery (Uma Maheswara Rao G via vinayakumarb)
HDFS-6285. tidy an error log inside BlockReceiver. (Liang Xie via umamahesh)
HDFS-8346. libwebhdfs build fails during link due to unresolved external
symbols. (Chris Nauroth via wheat9)
HDFS-8274. NFS configuration nfs.dump.dir not working. (Ajith S via
Arpit Agarwal)
HDFS-8340. Fix NFS documentation of nfs.wtmax. (Ajith S via Arpit Agarwal)
HDFS-8311. DataStreamer.transfer() should timeout the socket InputStream.
(Esteban Gutierrez via Yongjun Zhang)
HDFS-8326. Documentation about when checkpoints are run is out of date.
(Misty Stanley-Jones via xyao)
HDFS-8097. TestFileTruncate is failing intermittently. (Rakesh R via
Arpit Agarwal)
HDFS-8351. Remove namenode -finalize option from document. (aajisaka)
HDFS-8362. Java Compilation Error in TestHdfsConfigFields.java
(Arshad Mohammad via vinayakumarb)
HDFS-8358. TestTraceAdmin fails (Masatake Iwasaki via kihwal)
HDFS-8380. Always call addStoredBlock on blocks which have been shifted