2023-02-14 00:55:33 -05:00
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<!--
2023-03-08 10:48:32 -05:00
| Generated by Apache Maven Doxia at 2023-03-08
2023-02-14 00:55:33 -05:00
| Rendered using Apache Maven Stylus Skin 1.5
-->
< html xmlns = "http://www.w3.org/1999/xhtml" >
< head >
< title > Apache Hadoop 3.4.0-SNAPSHOT – Apache Hadoop Changelog< / title >
< style type = "text/css" media = "all" >
@import url("../../css/maven-base.css");
@import url("../../css/maven-theme.css");
@import url("../../css/site.css");
< / style >
< link rel = "stylesheet" href = "../../css/print.css" type = "text/css" media = "print" / >
2023-03-08 10:48:32 -05:00
< meta name = "Date-Revision-yyyymmdd" content = "20230308" / >
2023-02-14 00:55:33 -05:00
< meta http-equiv = "Content-Type" content = "text/html; charset=UTF-8" / >
< / head >
< body class = "composite" >
< div id = "banner" >
< a href = "http://hadoop.apache.org/" id = "bannerLeft" >
< img src = "http://hadoop.apache.org/images/hadoop-logo.jpg" alt = "" / >
< / a >
< a href = "http://www.apache.org/" id = "bannerRight" >
< img src = "http://www.apache.org/images/asf_logo_wide.png" alt = "" / >
< / a >
< div class = "clear" >
< hr / >
< / div >
< / div >
< div id = "breadcrumbs" >
< div class = "xright" > < a href = "http://wiki.apache.org/hadoop" class = "externalLink" > Wiki< / a >
|
< a href = "https://gitbox.apache.org/repos/asf/hadoop.git" class = "externalLink" > git< / a >
|
< a href = "http://hadoop.apache.org/" class = "externalLink" > Apache Hadoop< / a >
2023-03-08 10:48:32 -05:00
| Last Published: 2023-03-08
2023-02-14 00:55:33 -05:00
| Version: 3.4.0-SNAPSHOT
< / div >
< div class = "clear" >
< hr / >
< / div >
< / div >
< div id = "leftColumn" >
< div id = "navcolumn" >
< h5 > General< / h5 >
< ul >
< li class = "none" >
< a href = "../../../../index.html" > Overview< / a >
< / li >
< li class = "none" >
< a href = "../../../../hadoop-project-dist/hadoop-common/SingleCluster.html" > Single Node Setup< / a >
< / li >
< li class = "none" >
< a href = "../../../../hadoop-project-dist/hadoop-common/ClusterSetup.html" > Cluster Setup< / a >
< / li >
< li class = "none" >
< a href = "../../../../hadoop-project-dist/hadoop-common/CommandsManual.html" > Commands Reference< / a >
< / li >
< li class = "none" >
< a href = "../../../../hadoop-project-dist/hadoop-common/FileSystemShell.html" > FileSystem Shell< / a >
< / li >
< li class = "none" >
< a href = "../../../../hadoop-project-dist/hadoop-common/Compatibility.html" > Compatibility Specification< / a >
< / li >
< li class = "none" >
< a href = "../../../../hadoop-project-dist/hadoop-common/DownstreamDev.html" > Downstream Developer's Guide< / a >
< / li >
< li class = "none" >
< a href = "../../../../hadoop-project-dist/hadoop-common/AdminCompatibilityGuide.html" > Admin Compatibility Guide< / a >
< / li >
< li class = "none" >
< a href = "../../../../hadoop-project-dist/hadoop-common/InterfaceClassification.html" > Interface Classification< / a >
< / li >
< li class = "none" >
< a href = "../../../../hadoop-project-dist/hadoop-common/filesystem/index.html" > FileSystem Specification< / a >
< / li >
< / ul >
< h5 > Common< / h5 >
< ul >
< li class = "none" >
< a href = "../../../../hadoop-project-dist/hadoop-common/CLIMiniCluster.html" > CLI Mini Cluster< / a >
< / li >
< li class = "none" >
< a href = "../../../../hadoop-project-dist/hadoop-common/FairCallQueue.html" > Fair Call Queue< / a >
< / li >
< li class = "none" >
< a href = "../../../../hadoop-project-dist/hadoop-common/NativeLibraries.html" > Native Libraries< / a >
< / li >
< li class = "none" >
< a href = "../../../../hadoop-project-dist/hadoop-common/Superusers.html" > Proxy User< / a >
< / li >
< li class = "none" >
< a href = "../../../../hadoop-project-dist/hadoop-common/RackAwareness.html" > Rack Awareness< / a >
< / li >
< li class = "none" >
< a href = "../../../../hadoop-project-dist/hadoop-common/SecureMode.html" > Secure Mode< / a >
< / li >
< li class = "none" >
< a href = "../../../../hadoop-project-dist/hadoop-common/ServiceLevelAuth.html" > Service Level Authorization< / a >
< / li >
< li class = "none" >
< a href = "../../../../hadoop-project-dist/hadoop-common/HttpAuthentication.html" > HTTP Authentication< / a >
< / li >
< li class = "none" >
< a href = "../../../../hadoop-project-dist/hadoop-common/CredentialProviderAPI.html" > Credential Provider API< / a >
< / li >
< li class = "none" >
< a href = "../../../../hadoop-kms/index.html" > Hadoop KMS< / a >
< / li >
< li class = "none" >
< a href = "../../../../hadoop-project-dist/hadoop-common/Tracing.html" > Tracing< / a >
< / li >
< li class = "none" >
< a href = "../../../../hadoop-project-dist/hadoop-common/UnixShellGuide.html" > Unix Shell Guide< / a >
< / li >
< li class = "none" >
< a href = "../../../../hadoop-project-dist/hadoop-common/registry/index.html" > Registry< / a >
< / li >
< li class = "none" >
< a href = "../../../../hadoop-project-dist/hadoop-common/AsyncProfilerServlet.html" > Async Profiler< / a >
< / li >
< / ul >
< h5 > HDFS< / h5 >
< ul >
< li class = "none" >
< a href = "../../../../hadoop-project-dist/hadoop-hdfs/HdfsDesign.html" > Architecture< / a >
< / li >
< li class = "none" >
< a href = "../../../../hadoop-project-dist/hadoop-hdfs/HdfsUserGuide.html" > User Guide< / a >
< / li >
< li class = "none" >
< a href = "../../../../hadoop-project-dist/hadoop-hdfs/HDFSCommands.html" > Commands Reference< / a >
< / li >
< li class = "none" >
< a href = "../../../../hadoop-project-dist/hadoop-hdfs/HDFSHighAvailabilityWithQJM.html" > NameNode HA With QJM< / a >
< / li >
< li class = "none" >
< a href = "../../../../hadoop-project-dist/hadoop-hdfs/HDFSHighAvailabilityWithNFS.html" > NameNode HA With NFS< / a >
< / li >
< li class = "none" >
< a href = "../../../../hadoop-project-dist/hadoop-hdfs/ObserverNameNode.html" > Observer NameNode< / a >
< / li >
< li class = "none" >
< a href = "../../../../hadoop-project-dist/hadoop-hdfs/Federation.html" > Federation< / a >
< / li >
< li class = "none" >
< a href = "../../../../hadoop-project-dist/hadoop-hdfs/ViewFs.html" > ViewFs< / a >
< / li >
< li class = "none" >
< a href = "../../../../hadoop-project-dist/hadoop-hdfs/ViewFsOverloadScheme.html" > ViewFsOverloadScheme< / a >
< / li >
< li class = "none" >
< a href = "../../../../hadoop-project-dist/hadoop-hdfs/HdfsSnapshots.html" > Snapshots< / a >
< / li >
< li class = "none" >
< a href = "../../../../hadoop-project-dist/hadoop-hdfs/HdfsEditsViewer.html" > Edits Viewer< / a >
< / li >
< li class = "none" >
< a href = "../../../../hadoop-project-dist/hadoop-hdfs/HdfsImageViewer.html" > Image Viewer< / a >
< / li >
< li class = "none" >
< a href = "../../../../hadoop-project-dist/hadoop-hdfs/HdfsPermissionsGuide.html" > Permissions and HDFS< / a >
< / li >
< li class = "none" >
< a href = "../../../../hadoop-project-dist/hadoop-hdfs/HdfsQuotaAdminGuide.html" > Quotas and HDFS< / a >
< / li >
< li class = "none" >
< a href = "../../../../hadoop-project-dist/hadoop-hdfs/LibHdfs.html" > libhdfs (C API)< / a >
< / li >
< li class = "none" >
< a href = "../../../../hadoop-project-dist/hadoop-hdfs/WebHDFS.html" > WebHDFS (REST API)< / a >
< / li >
< li class = "none" >
< a href = "../../../../hadoop-hdfs-httpfs/index.html" > HttpFS< / a >
< / li >
< li class = "none" >
< a href = "../../../../hadoop-project-dist/hadoop-hdfs/ShortCircuitLocalReads.html" > Short Circuit Local Reads< / a >
< / li >
< li class = "none" >
< a href = "../../../../hadoop-project-dist/hadoop-hdfs/CentralizedCacheManagement.html" > Centralized Cache Management< / a >
< / li >
< li class = "none" >
< a href = "../../../../hadoop-project-dist/hadoop-hdfs/HdfsNfsGateway.html" > NFS Gateway< / a >
< / li >
< li class = "none" >
< a href = "../../../../hadoop-project-dist/hadoop-hdfs/HdfsRollingUpgrade.html" > Rolling Upgrade< / a >
< / li >
< li class = "none" >
< a href = "../../../../hadoop-project-dist/hadoop-hdfs/ExtendedAttributes.html" > Extended Attributes< / a >
< / li >
< li class = "none" >
< a href = "../../../../hadoop-project-dist/hadoop-hdfs/TransparentEncryption.html" > Transparent Encryption< / a >
< / li >
< li class = "none" >
< a href = "../../../../hadoop-project-dist/hadoop-hdfs/HdfsMultihoming.html" > Multihoming< / a >
< / li >
< li class = "none" >
< a href = "../../../../hadoop-project-dist/hadoop-hdfs/ArchivalStorage.html" > Storage Policies< / a >
< / li >
< li class = "none" >
< a href = "../../../../hadoop-project-dist/hadoop-hdfs/MemoryStorage.html" > Memory Storage Support< / a >
< / li >
< li class = "none" >
< a href = "../../../../hadoop-project-dist/hadoop-hdfs/SLGUserGuide.html" > Synthetic Load Generator< / a >
< / li >
< li class = "none" >
< a href = "../../../../hadoop-project-dist/hadoop-hdfs/HDFSErasureCoding.html" > Erasure Coding< / a >
< / li >
< li class = "none" >
< a href = "../../../../hadoop-project-dist/hadoop-hdfs/HDFSDiskbalancer.html" > Disk Balancer< / a >
< / li >
< li class = "none" >
< a href = "../../../../hadoop-project-dist/hadoop-hdfs/HdfsUpgradeDomain.html" > Upgrade Domain< / a >
< / li >
< li class = "none" >
< a href = "../../../../hadoop-project-dist/hadoop-hdfs/HdfsDataNodeAdminGuide.html" > DataNode Admin< / a >
< / li >
< li class = "none" >
< a href = "../../../../hadoop-project-dist/hadoop-hdfs-rbf/HDFSRouterFederation.html" > Router Federation< / a >
< / li >
< li class = "none" >
< a href = "../../../../hadoop-project-dist/hadoop-hdfs/HdfsProvidedStorage.html" > Provided Storage< / a >
< / li >
< / ul >
< h5 > MapReduce< / h5 >
< ul >
< li class = "none" >
< a href = "../../../../hadoop-mapreduce-client/hadoop-mapreduce-client-core/MapReduceTutorial.html" > Tutorial< / a >
< / li >
< li class = "none" >
< a href = "../../../../hadoop-mapreduce-client/hadoop-mapreduce-client-core/MapredCommands.html" > Commands Reference< / a >
< / li >
< li class = "none" >
< a href = "../../../../hadoop-mapreduce-client/hadoop-mapreduce-client-core/MapReduce_Compatibility_Hadoop1_Hadoop2.html" > Compatibility with 1.x< / a >
< / li >
< li class = "none" >
< a href = "../../../../hadoop-mapreduce-client/hadoop-mapreduce-client-core/EncryptedShuffle.html" > Encrypted Shuffle< / a >
< / li >
< li class = "none" >
< a href = "../../../../hadoop-mapreduce-client/hadoop-mapreduce-client-core/PluggableShuffleAndPluggableSort.html" > Pluggable Shuffle/Sort< / a >
< / li >
< li class = "none" >
< a href = "../../../../hadoop-mapreduce-client/hadoop-mapreduce-client-core/DistributedCacheDeploy.html" > Distributed Cache Deploy< / a >
< / li >
< li class = "none" >
< a href = "../../../../hadoop-mapreduce-client/hadoop-mapreduce-client-core/SharedCacheSupport.html" > Support for YARN Shared Cache< / a >
< / li >
< / ul >
< h5 > MapReduce REST APIs< / h5 >
< ul >
< li class = "none" >
< a href = "../../../../hadoop-mapreduce-client/hadoop-mapreduce-client-core/MapredAppMasterRest.html" > MR Application Master< / a >
< / li >
< li class = "none" >
< a href = "../../../../hadoop-mapreduce-client/hadoop-mapreduce-client-hs/HistoryServerRest.html" > MR History Server< / a >
< / li >
< / ul >
< h5 > YARN< / h5 >
< ul >
< li class = "none" >
< a href = "../../../../hadoop-yarn/hadoop-yarn-site/YARN.html" > Architecture< / a >
< / li >
< li class = "none" >
< a href = "../../../../hadoop-yarn/hadoop-yarn-site/YarnCommands.html" > Commands Reference< / a >
< / li >
< li class = "none" >
< a href = "../../../../hadoop-yarn/hadoop-yarn-site/CapacityScheduler.html" > Capacity Scheduler< / a >
< / li >
< li class = "none" >
< a href = "../../../../hadoop-yarn/hadoop-yarn-site/FairScheduler.html" > Fair Scheduler< / a >
< / li >
< li class = "none" >
< a href = "../../../../hadoop-yarn/hadoop-yarn-site/ResourceManagerRestart.html" > ResourceManager Restart< / a >
< / li >
< li class = "none" >
< a href = "../../../../hadoop-yarn/hadoop-yarn-site/ResourceManagerHA.html" > ResourceManager HA< / a >
< / li >
< li class = "none" >
< a href = "../../../../hadoop-yarn/hadoop-yarn-site/ResourceModel.html" > Resource Model< / a >
< / li >
< li class = "none" >
< a href = "../../../../hadoop-yarn/hadoop-yarn-site/NodeLabel.html" > Node Labels< / a >
< / li >
< li class = "none" >
< a href = "../../../../hadoop-yarn/hadoop-yarn-site/NodeAttributes.html" > Node Attributes< / a >
< / li >
< li class = "none" >
< a href = "../../../../hadoop-yarn/hadoop-yarn-site/WebApplicationProxy.html" > Web Application Proxy< / a >
< / li >
< li class = "none" >
< a href = "../../../../hadoop-yarn/hadoop-yarn-site/TimelineServer.html" > Timeline Server< / a >
< / li >
< li class = "none" >
< a href = "../../../../hadoop-yarn/hadoop-yarn-site/TimelineServiceV2.html" > Timeline Service V.2< / a >
< / li >
< li class = "none" >
< a href = "../../../../hadoop-yarn/hadoop-yarn-site/WritingYarnApplications.html" > Writing YARN Applications< / a >
< / li >
< li class = "none" >
< a href = "../../../../hadoop-yarn/hadoop-yarn-site/YarnApplicationSecurity.html" > YARN Application Security< / a >
< / li >
< li class = "none" >
< a href = "../../../../hadoop-yarn/hadoop-yarn-site/NodeManager.html" > NodeManager< / a >
< / li >
< li class = "none" >
< a href = "../../../../hadoop-yarn/hadoop-yarn-site/DockerContainers.html" > Running Applications in Docker Containers< / a >
< / li >
< li class = "none" >
< a href = "../../../../hadoop-yarn/hadoop-yarn-site/RuncContainers.html" > Running Applications in runC Containers< / a >
< / li >
< li class = "none" >
< a href = "../../../../hadoop-yarn/hadoop-yarn-site/NodeManagerCgroups.html" > Using CGroups< / a >
< / li >
< li class = "none" >
< a href = "../../../../hadoop-yarn/hadoop-yarn-site/SecureContainer.html" > Secure Containers< / a >
< / li >
< li class = "none" >
< a href = "../../../../hadoop-yarn/hadoop-yarn-site/ReservationSystem.html" > Reservation System< / a >
< / li >
< li class = "none" >
< a href = "../../../../hadoop-yarn/hadoop-yarn-site/GracefulDecommission.html" > Graceful Decommission< / a >
< / li >
< li class = "none" >
< a href = "../../../../hadoop-yarn/hadoop-yarn-site/OpportunisticContainers.html" > Opportunistic Containers< / a >
< / li >
< li class = "none" >
< a href = "../../../../hadoop-yarn/hadoop-yarn-site/Federation.html" > YARN Federation< / a >
< / li >
< li class = "none" >
< a href = "../../../../hadoop-yarn/hadoop-yarn-site/SharedCache.html" > Shared Cache< / a >
< / li >
< li class = "none" >
< a href = "../../../../hadoop-yarn/hadoop-yarn-site/UsingGpus.html" > Using GPU< / a >
< / li >
< li class = "none" >
< a href = "../../../../hadoop-yarn/hadoop-yarn-site/UsingFPGA.html" > Using FPGA< / a >
< / li >
< li class = "none" >
< a href = "../../../../hadoop-yarn/hadoop-yarn-site/PlacementConstraints.html" > Placement Constraints< / a >
< / li >
< li class = "none" >
< a href = "../../../../hadoop-yarn/hadoop-yarn-site/YarnUI2.html" > YARN UI2< / a >
< / li >
< / ul >
< h5 > YARN REST APIs< / h5 >
< ul >
< li class = "none" >
< a href = "../../../../hadoop-yarn/hadoop-yarn-site/WebServicesIntro.html" > Introduction< / a >
< / li >
< li class = "none" >
< a href = "../../../../hadoop-yarn/hadoop-yarn-site/ResourceManagerRest.html" > Resource Manager< / a >
< / li >
< li class = "none" >
< a href = "../../../../hadoop-yarn/hadoop-yarn-site/NodeManagerRest.html" > Node Manager< / a >
< / li >
< li class = "none" >
< a href = "../../../../hadoop-yarn/hadoop-yarn-site/TimelineServer.html#Timeline_Server_REST_API_v1" > Timeline Server< / a >
< / li >
< li class = "none" >
< a href = "../../../../hadoop-yarn/hadoop-yarn-site/TimelineServiceV2.html#Timeline_Service_v.2_REST_API" > Timeline Service V.2< / a >
< / li >
< / ul >
< h5 > YARN Service< / h5 >
< ul >
< li class = "none" >
< a href = "../../../../hadoop-yarn/hadoop-yarn-site/yarn-service/Overview.html" > Overview< / a >
< / li >
< li class = "none" >
< a href = "../../../../hadoop-yarn/hadoop-yarn-site/yarn-service/QuickStart.html" > QuickStart< / a >
< / li >
< li class = "none" >
< a href = "../../../../hadoop-yarn/hadoop-yarn-site/yarn-service/Concepts.html" > Concepts< / a >
< / li >
< li class = "none" >
< a href = "../../../../hadoop-yarn/hadoop-yarn-site/yarn-service/YarnServiceAPI.html" > Yarn Service API< / a >
< / li >
< li class = "none" >
< a href = "../../../../hadoop-yarn/hadoop-yarn-site/yarn-service/ServiceDiscovery.html" > Service Discovery< / a >
< / li >
< li class = "none" >
< a href = "../../../../hadoop-yarn/hadoop-yarn-site/yarn-service/SystemServices.html" > System Services< / a >
< / li >
< / ul >
< h5 > Hadoop Compatible File Systems< / h5 >
< ul >
< li class = "none" >
< a href = "../../../../hadoop-aliyun/tools/hadoop-aliyun/index.html" > Aliyun OSS< / a >
< / li >
< li class = "none" >
< a href = "../../../../hadoop-aws/tools/hadoop-aws/index.html" > Amazon S3< / a >
< / li >
< li class = "none" >
< a href = "../../../../hadoop-azure/index.html" > Azure Blob Storage< / a >
< / li >
< li class = "none" >
< a href = "../../../../hadoop-azure-datalake/index.html" > Azure Data Lake Storage< / a >
< / li >
< li class = "none" >
< a href = "../../../../hadoop-cos/cloud-storage/index.html" > Tencent COS< / a >
< / li >
< li class = "none" >
< a href = "../../../../hadoop-huaweicloud/cloud-storage/index.html" > Huaweicloud OBS< / a >
< / li >
< / ul >
< h5 > Auth< / h5 >
< ul >
< li class = "none" >
< a href = "../../../../hadoop-auth/index.html" > Overview< / a >
< / li >
< li class = "none" >
< a href = "../../../../hadoop-auth/Examples.html" > Examples< / a >
< / li >
< li class = "none" >
< a href = "../../../../hadoop-auth/Configuration.html" > Configuration< / a >
< / li >
< li class = "none" >
< a href = "../../../../hadoop-auth/BuildingIt.html" > Building< / a >
< / li >
< / ul >
< h5 > Tools< / h5 >
< ul >
< li class = "none" >
< a href = "../../../../hadoop-streaming/HadoopStreaming.html" > Hadoop Streaming< / a >
< / li >
< li class = "none" >
< a href = "../../../../hadoop-archives/HadoopArchives.html" > Hadoop Archives< / a >
< / li >
< li class = "none" >
< a href = "../../../../hadoop-archive-logs/HadoopArchiveLogs.html" > Hadoop Archive Logs< / a >
< / li >
< li class = "none" >
< a href = "../../../../hadoop-distcp/DistCp.html" > DistCp< / a >
< / li >
< li class = "none" >
< a href = "../../../../hadoop-federation-balance/HDFSFederationBalance.html" > HDFS Federation Balance< / a >
< / li >
< li class = "none" >
< a href = "../../../../hadoop-gridmix/GridMix.html" > GridMix< / a >
< / li >
< li class = "none" >
< a href = "../../../../hadoop-rumen/Rumen.html" > Rumen< / a >
< / li >
< li class = "none" >
< a href = "../../../../hadoop-resourceestimator/ResourceEstimator.html" > Resource Estimator Service< / a >
< / li >
< li class = "none" >
< a href = "../../../../hadoop-sls/SchedulerLoadSimulator.html" > Scheduler Load Simulator< / a >
< / li >
< li class = "none" >
< a href = "../../../../hadoop-project-dist/hadoop-common/Benchmarking.html" > Hadoop Benchmarking< / a >
< / li >
< li class = "none" >
< a href = "../../../../hadoop-dynamometer/Dynamometer.html" > Dynamometer< / a >
< / li >
< / ul >
< h5 > Reference< / h5 >
< ul >
< li class = "none" >
< a href = "../../../../hadoop-project-dist/hadoop-common/release/" > Changelog and Release Notes< / a >
< / li >
< li class = "none" >
< a href = "../../../../api/index.html" > Java API docs< / a >
< / li >
< li class = "none" >
< a href = "../../../../hadoop-project-dist/hadoop-common/UnixShellAPI.html" > Unix Shell API< / a >
< / li >
< li class = "none" >
< a href = "../../../../hadoop-project-dist/hadoop-common/Metrics.html" > Metrics< / a >
< / li >
< / ul >
< h5 > Configuration< / h5 >
< ul >
< li class = "none" >
< a href = "../../../../hadoop-project-dist/hadoop-common/core-default.xml" > core-default.xml< / a >
< / li >
< li class = "none" >
< a href = "../../../../hadoop-project-dist/hadoop-hdfs/hdfs-default.xml" > hdfs-default.xml< / a >
< / li >
< li class = "none" >
< a href = "../../../../hadoop-project-dist/hadoop-hdfs-rbf/hdfs-rbf-default.xml" > hdfs-rbf-default.xml< / a >
< / li >
< li class = "none" >
< a href = "../../../../hadoop-mapreduce-client/hadoop-mapreduce-client-core/mapred-default.xml" > mapred-default.xml< / a >
< / li >
< li class = "none" >
< a href = "../../../../hadoop-yarn/hadoop-yarn-common/yarn-default.xml" > yarn-default.xml< / a >
< / li >
< li class = "none" >
< a href = "../../../../hadoop-kms/kms-default.html" > kms-default.xml< / a >
< / li >
< li class = "none" >
< a href = "../../../../hadoop-hdfs-httpfs/httpfs-default.html" > httpfs-default.xml< / a >
< / li >
< li class = "none" >
< a href = "../../../../hadoop-project-dist/hadoop-common/DeprecatedProperties.html" > Deprecated Properties< / a >
< / li >
< / ul >
< a href = "http://maven.apache.org/" title = "Built by Maven" class = "poweredBy" >
< img alt = "Built by Maven" src = "../../images/logos/maven-feather.png" / >
< / a >
< / div >
< / div >
< div id = "bodyColumn" >
< div id = "contentBox" >
<!-- -
# Licensed to the Apache Software Foundation (ASF) under one
# or more contributor license agreements. See the NOTICE file
# distributed with this work for additional information
# regarding copyright ownership. The ASF licenses this file
# to you under the Apache License, Version 2.0 (the
# "License"); you may not use this file except in compliance
# with the License. You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
-->
< h1 > Apache Hadoop Changelog< / h1 > < section >
< h2 > < a name = "Release_0.16.1_-_2008-03-14" > < / a > Release 0.16.1 - 2008-03-14< / h2 > < section >
< h3 > < a name = "NEW_FEATURES:" > < / a > NEW FEATURES:< / h3 >
< table border = "0" class = "bodyTable" >
< thead >
< tr class = "a" >
< th align = "left" > JIRA < / th >
< th align = "left" > Summary < / th >
< th align = "left" > Priority < / th >
< th align = "left" > Component < / th >
< th align = "left" > Reporter < / th >
< th align = "left" > Contributor < / th > < / tr >
< / thead > < tbody >
< tr class = "b" >
< td align = "left" > < a class = "externalLink" href = "https://issues.apache.org/jira/browse/HADOOP-2735" > HADOOP-2735< / a > < / td >
< td align = "left" > Setting default tmp directory for java createTempFile (java.io.tmpdir) < / td >
< td align = "left" > Critical < / td >
< td align = "left" > . < / td >
< td align = "left" > Koji Noguchi < / td >
< td align = "left" > Amareshwari Sriramadasu < / td > < / tr >
< tr class = "a" >
< td align = "left" > < a class = "externalLink" href = "https://issues.apache.org/jira/browse/HADOOP-2371" > HADOOP-2371< / a > < / td >
< td align = "left" > Candidate user guide for permissions feature of Hadoop DFS < / td >
< td align = "left" > Major < / td >
< td align = "left" > . < / td >
< td align = "left" > Robert Chansler < / td >
< td align = "left" > Robert Chansler < / td > < / tr >
< tr class = "b" >
< td align = "left" > < a class = "externalLink" href = "https://issues.apache.org/jira/browse/HADOOP-2923" > HADOOP-2923< / a > < / td >
< td align = "left" > Check in missing files from HADOOP-2603 < / td >
< td align = "left" > Major < / td >
< td align = "left" > . < / td >
< td align = "left" > Owen O’ Malley < / td >
< td align = "left" > Chris Douglas < / td > < / tr >
< / tbody >
< / table > < / section > < section >
< h3 > < a name = "IMPROVEMENTS:" > < / a > IMPROVEMENTS:< / h3 >
< table border = "0" class = "bodyTable" >
< thead >
< tr class = "a" >
< th align = "left" > JIRA < / th >
< th align = "left" > Summary < / th >
< th align = "left" > Priority < / th >
< th align = "left" > Component < / th >
< th align = "left" > Reporter < / th >
< th align = "left" > Contributor < / th > < / tr >
< / thead > < tbody >
< tr class = "b" >
< td align = "left" > < a class = "externalLink" href = "https://issues.apache.org/jira/browse/HADOOP-2730" > HADOOP-2730< / a > < / td >
< td align = "left" > Update HOD documentation < / td >
< td align = "left" > Major < / td >
< td align = "left" > contrib/hod < / td >
< td align = "left" > Hemanth Yamijala < / td >
< td align = "left" > Vinod Kumar Vavilapalli < / td > < / tr >
< tr class = "a" >
< td align = "left" > < a class = "externalLink" href = "https://issues.apache.org/jira/browse/HADOOP-2861" > HADOOP-2861< / a > < / td >
< td align = "left" > [HOD] Improve the user interface for the HOD commands < / td >
< td align = "left" > Major < / td >
< td align = "left" > contrib/hod < / td >
< td align = "left" > Hemanth Yamijala < / td >
< td align = "left" > Vinod Kumar Vavilapalli < / td > < / tr >
< tr class = "b" >
< td align = "left" > < a class = "externalLink" href = "https://issues.apache.org/jira/browse/HADOOP-2911" > HADOOP-2911< / a > < / td >
< td align = "left" > [HOD] Make the information printed by allocate and info commands less verbose and clearer < / td >
< td align = "left" > Major < / td >
< td align = "left" > contrib/hod < / td >
< td align = "left" > Hemanth Yamijala < / td >
< td align = "left" > Vinod Kumar Vavilapalli < / td > < / tr >
< / tbody >
< / table > < / section > < section >
< h3 > < a name = "BUG_FIXES:" > < / a > BUG FIXES:< / h3 >
< table border = "0" class = "bodyTable" >
< thead >
< tr class = "a" >
< th align = "left" > JIRA < / th >
< th align = "left" > Summary < / th >
< th align = "left" > Priority < / th >
< th align = "left" > Component < / th >
< th align = "left" > Reporter < / th >
< th align = "left" > Contributor < / th > < / tr >
< / thead > < tbody >
< tr class = "b" >
< td align = "left" > < a class = "externalLink" href = "https://issues.apache.org/jira/browse/HADOOP-2754" > HADOOP-2754< / a > < / td >
< td align = "left" > Path filter for Local file system list .crc files < / td >
< td align = "left" > Major < / td >
< td align = "left" > . < / td >
< td align = "left" > Amareshwari Sriramadasu < / td >
< td align = "left" > Hairong Kuang < / td > < / tr >
< tr class = "a" >
< td align = "left" > < a class = "externalLink" href = "https://issues.apache.org/jira/browse/HADOOP-1188" > HADOOP-1188< / a > < / td >
< td align = "left" > processIOError() should update fstime file < / td >
< td align = "left" > Blocker < / td >
< td align = "left" > . < / td >
< td align = "left" > Konstantin Shvachko < / td >
< td align = "left" > Konstantin Shvachko < / td > < / tr >
< tr class = "b" >
< td align = "left" > < a class = "externalLink" href = "https://issues.apache.org/jira/browse/HADOOP-2787" > HADOOP-2787< / a > < / td >
< td align = "left" > The constant org.apache.hadoop.fs.permission.FsPermission.UMASK_LABEL should be “ dfs.umask” , instead of “ hadoop.dfs.umask” < / td >
< td align = "left" > Blocker < / td >
< td align = "left" > . < / td >
< td align = "left" > Tsz Wo Nicholas Sze < / td >
< td align = "left" > Tsz Wo Nicholas Sze < / td > < / tr >
< tr class = "a" >
< td align = "left" > < a class = "externalLink" href = "https://issues.apache.org/jira/browse/HADOOP-2788" > HADOOP-2788< / a > < / td >
< td align = "left" > chgrp missing from hadoop dfs options < / td >
< td align = "left" > Critical < / td >
< td align = "left" > . < / td >
< td align = "left" > Mukund Madhugiri < / td >
< td align = "left" > Raghu Angadi < / td > < / tr >
< tr class = "b" >
< td align = "left" > < a class = "externalLink" href = "https://issues.apache.org/jira/browse/HADOOP-2785" > HADOOP-2785< / a > < / td >
< td align = "left" > Typo in peridioc block verification patch < / td >
< td align = "left" > Trivial < / td >
< td align = "left" > . < / td >
< td align = "left" > Raghu Angadi < / td >
< td align = "left" > Raghu Angadi < / td > < / tr >
< tr class = "a" >
< td align = "left" > < a class = "externalLink" href = "https://issues.apache.org/jira/browse/HADOOP-2780" > HADOOP-2780< / a > < / td >
< td align = "left" > Socket receive buffer size on datanode too large < / td >
< td align = "left" > Major < / td >
< td align = "left" > . < / td >
< td align = "left" > dhruba borthakur < / td >
< td align = "left" > dhruba borthakur < / td > < / tr >
< tr class = "b" >
< td align = "left" > < a class = "externalLink" href = "https://issues.apache.org/jira/browse/HADOOP-2716" > HADOOP-2716< / a > < / td >
< td align = "left" > Balancer should require superuser privilege < / td >
< td align = "left" > Major < / td >
< td align = "left" > . < / td >
< td align = "left" > Tsz Wo Nicholas Sze < / td >
< td align = "left" > Tsz Wo Nicholas Sze < / td > < / tr >
< tr class = "a" >
< td align = "left" > < a class = "externalLink" href = "https://issues.apache.org/jira/browse/HADOOP-2733" > HADOOP-2733< / a > < / td >
< td align = "left" > Compiler warnings in TestClusterMapReduceTestCase and TestJobStatusPersistency < / td >
< td align = "left" > Major < / td >
< td align = "left" > test < / td >
< td align = "left" > Konstantin Shvachko < / td >
< td align = "left" > Tsz Wo Nicholas Sze < / td > < / tr >
< tr class = "b" >
< td align = "left" > < a class = "externalLink" href = "https://issues.apache.org/jira/browse/HADOOP-2725" > HADOOP-2725< / a > < / td >
< td align = "left" > Distcp truncates some files when copying < / td >
< td align = "left" > Critical < / td >
< td align = "left" > util < / td >
< td align = "left" > Murtaza A. Basrai < / td >
< td align = "left" > Tsz Wo Nicholas Sze < / td > < / tr >
< tr class = "a" >
< td align = "left" > < a class = "externalLink" href = "https://issues.apache.org/jira/browse/HADOOP-2789" > HADOOP-2789< / a > < / td >
< td align = "left" > Race condition in ipc.Server prevents responce being written back to client. < / td >
< td align = "left" > Critical < / td >
< td align = "left" > ipc < / td >
< td align = "left" > Clint Morgan < / td >
< td align = "left" > Raghu Angadi < / td > < / tr >
< tr class = "b" >
< td align = "left" > < a class = "externalLink" href = "https://issues.apache.org/jira/browse/HADOOP-2391" > HADOOP-2391< / a > < / td >
< td align = "left" > Speculative Execution race condition with output paths < / td >
< td align = "left" > Major < / td >
< td align = "left" > . < / td >
< td align = "left" > Dennis Kubes < / td >
< td align = "left" > Amareshwari Sriramadasu < / td > < / tr >
< tr class = "a" >
< td align = "left" > < a class = "externalLink" href = "https://issues.apache.org/jira/browse/HADOOP-2808" > HADOOP-2808< / a > < / td >
< td align = "left" > FileUtil::copy ignores “ overwrite” formal < / td >
< td align = "left" > Major < / td >
< td align = "left" > . < / td >
< td align = "left" > Chris Douglas < / td >
< td align = "left" > Chris Douglas < / td > < / tr >
< tr class = "b" >
< td align = "left" > < a class = "externalLink" href = "https://issues.apache.org/jira/browse/HADOOP-2683" > HADOOP-2683< / a > < / td >
< td align = "left" > Provide a way to specifiy login out side an RPC < / td >
< td align = "left" > Blocker < / td >
< td align = "left" > . < / td >
< td align = "left" > Raghu Angadi < / td >
< td align = "left" > Tsz Wo Nicholas Sze < / td > < / tr >
< tr class = "a" >
< td align = "left" > < a class = "externalLink" href = "https://issues.apache.org/jira/browse/HADOOP-2814" > HADOOP-2814< / a > < / td >
< td align = "left" > NPE in datanode during TestDataTransferProtocol. < / td >
< td align = "left" > Major < / td >
< td align = "left" > . < / td >
< td align = "left" > Raghu Angadi < / td >
< td align = "left" > Raghu Angadi < / td > < / tr >
< tr class = "b" >
< td align = "left" > < a class = "externalLink" href = "https://issues.apache.org/jira/browse/HADOOP-2811" > HADOOP-2811< / a > < / td >
< td align = "left" > method Counters.makeCompactString() does not insert separator char ‘ ,’ between the counters of different groups. < / td >
< td align = "left" > Critical < / td >
< td align = "left" > . < / td >
< td align = "left" > Runping Qi < / td >
< td align = "left" > Runping Qi < / td > < / tr >
< tr class = "a" >
< td align = "left" > < a class = "externalLink" href = "https://issues.apache.org/jira/browse/HADOOP-2843" > HADOOP-2843< / a > < / td >
< td align = "left" > mapred.join access control is overly restrictive < / td >
< td align = "left" > Major < / td >
< td align = "left" > . < / td >
< td align = "left" > Chris Douglas < / td >
< td align = "left" > Chris Douglas < / td > < / tr >
< tr class = "b" >
< td align = "left" > < a class = "externalLink" href = "https://issues.apache.org/jira/browse/HADOOP-2813" > HADOOP-2813< / a > < / td >
< td align = "left" > Unit test fails on Linux: org.apache.hadoop.fs.TestDU.testDU < / td >
< td align = "left" > Blocker < / td >
< td align = "left" > fs < / td >
< td align = "left" > Mukund Madhugiri < / td >
< td align = "left" > Mahadev konar < / td > < / tr >
< tr class = "a" >
< td align = "left" > < a class = "externalLink" href = "https://issues.apache.org/jira/browse/HADOOP-2840" > HADOOP-2840< / a > < / td >
< td align = "left" > Gridmix test script fails to run java sort tests < / td >
< td align = "left" > Major < / td >
< td align = "left" > test < / td >
< td align = "left" > Mukund Madhugiri < / td >
< td align = "left" > Mukund Madhugiri < / td > < / tr >
< tr class = "b" >
< td align = "left" > < a class = "externalLink" href = "https://issues.apache.org/jira/browse/HADOOP-2766" > HADOOP-2766< / a > < / td >
< td align = "left" > [HOD] No way to set HADOOP_OPTS environment variable to the Hadoop daemons through HOD < / td >
< td align = "left" > Critical < / td >
< td align = "left" > contrib/hod < / td >
< td align = "left" > Hemanth Yamijala < / td >
< td align = "left" > Vinod Kumar Vavilapalli < / td > < / tr >
< tr class = "a" >
< td align = "left" > < a class = "externalLink" href = "https://issues.apache.org/jira/browse/HADOOP-2769" > HADOOP-2769< / a > < / td >
< td align = "left" > TestNNThroughputBenchmark should not used a fixed http port < / td >
< td align = "left" > Major < / td >
< td align = "left" > test < / td >
< td align = "left" > Owen O’ Malley < / td >
< td align = "left" > Owen O’ Malley < / td > < / tr >
< tr class = "b" >
< td align = "left" > < a class = "externalLink" href = "https://issues.apache.org/jira/browse/HADOOP-2894" > HADOOP-2894< / a > < / td >
< td align = "left" > task trackers can’ t survive a job tracker bounce < / td >
< td align = "left" > Blocker < / td >
< td align = "left" > . < / td >
< td align = "left" > Owen O’ Malley < / td >
< td align = "left" > Owen O’ Malley < / td > < / tr >
< tr class = "a" >
< td align = "left" > < a class = "externalLink" href = "https://issues.apache.org/jira/browse/HADOOP-2904" > HADOOP-2904< / a > < / td >
< td align = "left" > 3 minor fixes in the rpc metrics area. < / td >
< td align = "left" > Major < / td >
< td align = "left" > . < / td >
< td align = "left" > girish vaitheeswaran < / td >
< td align = "left" > dhruba borthakur < / td > < / tr >
< tr class = "b" >
< td align = "left" > < a class = "externalLink" href = "https://issues.apache.org/jira/browse/HADOOP-2903" > HADOOP-2903< / a > < / td >
< td align = "left" > Data type mismatch exception raised from pushMetric < / td >
< td align = "left" > Major < / td >
< td align = "left" > metrics < / td >
< td align = "left" > girish vaitheeswaran < / td >
< td align = "left" > girish vaitheeswaran < / td > < / tr >
< tr class = "a" >
< td align = "left" > < a class = "externalLink" href = "https://issues.apache.org/jira/browse/HADOOP-2847" > HADOOP-2847< / a > < / td >
< td align = "left" > [HOD] Idle cluster cleanup does not work if the JobTracker becomes unresponsive to RPC calls < / td >
< td align = "left" > Blocker < / td >
< td align = "left" > contrib/hod < / td >
< td align = "left" > Hemanth Yamijala < / td >
< td align = "left" > Hemanth Yamijala < / td > < / tr >
< tr class = "b" >
< td align = "left" > < a class = "externalLink" href = "https://issues.apache.org/jira/browse/HADOOP-2809" > HADOOP-2809< / a > < / td >
< td align = "left" > [HOD] Syslog configuration, syslog-address, does not work in HOD 0.4 < / td >
< td align = "left" > Critical < / td >
< td align = "left" > contrib/hod < / td >
< td align = "left" > Hemanth Yamijala < / td >
< td align = "left" > Vinod Kumar Vavilapalli < / td > < / tr >
< tr class = "a" >
< td align = "left" > < a class = "externalLink" href = "https://issues.apache.org/jira/browse/HADOOP-2931" > HADOOP-2931< / a > < / td >
< td align = "left" > exception in DFSClient.create: Stream closed < / td >
< td align = "left" > Major < / td >
< td align = "left" > . < / td >
< td align = "left" > Michael Bieniosek < / td >
< td align = "left" > Michael Bieniosek < / td > < / tr >
< tr class = "b" >
< td align = "left" > < a class = "externalLink" href = "https://issues.apache.org/jira/browse/HADOOP-2883" > HADOOP-2883< / a > < / td >
< td align = "left" > Extensive write failures < / td >
< td align = "left" > Blocker < / td >
< td align = "left" > . < / td >
< td align = "left" > Christian Kunz < / td >
< td align = "left" > dhruba borthakur < / td > < / tr >
< tr class = "a" >
< td align = "left" > < a class = "externalLink" href = "https://issues.apache.org/jira/browse/HADOOP-2925" > HADOOP-2925< / a > < / td >
< td align = "left" > [HOD] Create mapred system directory using a naming convention that will avoid clashes in multi-user shared cluster scenario. < / td >
< td align = "left" > Major < / td >
< td align = "left" > contrib/hod < / td >
< td align = "left" > Hemanth Yamijala < / td >
< td align = "left" > Hemanth Yamijala < / td > < / tr >
< tr class = "b" >
< td align = "left" > < a class = "externalLink" href = "https://issues.apache.org/jira/browse/HADOOP-2756" > HADOOP-2756< / a > < / td >
< td align = "left" > NPE in DFSClient in hbase under load < / td >
< td align = "left" > Minor < / td >
< td align = "left" > . < / td >
< td align = "left" > stack < / td >
< td align = "left" > Raghu Angadi < / td > < / tr >
< tr class = "a" >
< td align = "left" > < a class = "externalLink" href = "https://issues.apache.org/jira/browse/HADOOP-2869" > HADOOP-2869< / a > < / td >
< td align = "left" > Deprecate and remove SequenceFile.setCompressionType < / td >
< td align = "left" > Major < / td >
< td align = "left" > . < / td >
< td align = "left" > Arun C Murthy < / td >
< td align = "left" > Arun C Murthy < / td > < / tr >
< tr class = "b" >
< td align = "left" > < a class = "externalLink" href = "https://issues.apache.org/jira/browse/HADOOP-2958" > HADOOP-2958< / a > < / td >
< td align = "left" > Test utility no longer works in trunk < / td >
< td align = "left" > Minor < / td >
< td align = "left" > test < / td >
< td align = "left" > Chris Douglas < / td >
< td align = "left" > Chris Douglas < / td > < / tr >
< tr class = "a" >
< td align = "left" > < a class = "externalLink" href = "https://issues.apache.org/jira/browse/HADOOP-2915" > HADOOP-2915< / a > < / td >
< td align = "left" > mapred output files and directories should be created as the job submitter, not tasktracker or jobtracker < / td >
< td align = "left" > Blocker < / td >
< td align = "left" > . < / td >
< td align = "left" > Tsz Wo Nicholas Sze < / td >
< td align = "left" > Tsz Wo Nicholas Sze < / td > < / tr >
< / tbody >
< / table > < / section > < section >
< h3 > < a name = "TESTS:" > < / a > TESTS:< / h3 >
< table border = "0" class = "bodyTable" >
< thead >
< tr class = "a" >
< th align = "left" > JIRA < / th >
< th align = "left" > Summary < / th >
< th align = "left" > Priority < / th >
< th align = "left" > Component < / th >
< th align = "left" > Reporter < / th >
< th align = "left" > Contributor < / th > < / tr >
< / thead > < tbody >
< tr class = "b" >
< td align = "left" > < a class = "externalLink" href = "https://issues.apache.org/jira/browse/HADOOP-2852" > HADOOP-2852< / a > < / td >
< td align = "left" > Update gridmix to avoid artificially long tail < / td >
< td align = "left" > Major < / td >
< td align = "left" > test < / td >
< td align = "left" > Chris Douglas < / td >
< td align = "left" > Chris Douglas < / td > < / tr >
< / tbody >
< / table > < / section > < section >
< h3 > < a name = "OTHER:" > < / a > OTHER:< / h3 >
< table border = "0" class = "bodyTable" >
< thead >
< tr class = "a" >
< th align = "left" > JIRA < / th >
< th align = "left" > Summary < / th >
< th align = "left" > Priority < / th >
< th align = "left" > Component < / th >
< th align = "left" > Reporter < / th >
< th align = "left" > Contributor < / th > < / tr >
< / thead > < tbody >
< tr class = "b" >
< td align = "left" > < a class = "externalLink" href = "https://issues.apache.org/jira/browse/HADOOP-2918" > HADOOP-2918< / a > < / td >
< td align = "left" > Enhance log messages to better debug “ No lease on file” message < / td >
< td align = "left" > Major < / td >
< td align = "left" > . < / td >
< td align = "left" > dhruba borthakur < / td >
< td align = "left" > dhruba borthakur < / td > < / tr >
< / tbody >
< / table > < / section > < / section >
< / div >
< / div >
< div class = "clear" >
< hr / >
< / div >
< div id = "footer" >
< div class = "xright" >
© 2008-2023
Apache Software Foundation
- < a href = "http://maven.apache.org/privacy-policy.html" > Privacy Policy< / a > .
Apache Maven, Maven, Apache, the Apache feather logo, and the Apache Maven project logos are trademarks of The Apache Software Foundation.
< / div >
< div class = "clear" >
< hr / >
< / div >
< / div >
< / body >
< / html >
