apache
/
hadoop
tükrözi: https://github.com/apache/hadoop.git


			
				
					
						
						
							1234567891011121314151617181920212223242526272829303132333435363738394041424344454647484950515253545556575859606162636465666768697071727374757677787980818283848586878889909192939495969798991001011021031041051061071081091101111121131141151161171181191201211221231241251261271281291301311321331341351361371381391401411421431441451461471481491501511521531541551561571581591601611621631641651661671681691701711721731741751761771781791801811821831841851861871881891901911921931941951961971981992002012022032042052062072082092102112122132142152162172182192202212222232242252262272282292302312322332342352362372382392402412422432442452462472482492502512522532542552562572582592602612622632642652662672682692702712722732742752762772782792802812822832842852862872882892902912922932942952962972982993003013023033043053063073083093103113123133143153163173183193203213223233243253263273283293303313323333343353363373383393403413423433443453463473483493503513523533543553563573583593603613623633643653663673683693703713723733743753763773783793803813823833843853863873883893903913923933943953963973983994004014024034044054064074084094104114124134144154164174184194204214224234244254264274284294304314324334344354364374384394404414424434444454464474484494504514524534544554564574584594604614624634644654664674684694704714724734744754764774784794804814824834844854864874884894904914924934944954964974984995005015025035045055065075085095105115125135145155165175185195205215225235245255265275285295305315325335345355365375385395405415425435445455465475485495505515525535545555565575585595605615625635645655665675685695705715725735745755765775785795805815825835845855865875885895905915925935945955965975985996006016026036046056066076086096106116126136146156166176186196206216226236246256266276286296306316326336346356366376386396406416426436446456466476486496506516526536546556566576586596606616626636646656666676686696706716726736746756766776786796806816826836846856866876886896906916926936946956966976986997007017027037047057067077087097107117127137147157167177187197207217227237247257267277287297307317327337347357367377387397407417427437447457467477487497507517527537547557567577587597607617627637647657667677687697707717727737747757767777787797807817827837847857867877887897907917927937947957967977987998008018028038048058068078088098108118128138148158168178188198208218228238248258268278288298308318328338348358368378388398408418428438448458468478488498508518528538548558568578588598608618628638648658668678688698708718728738748758768778788798808818828838848858868878888898908918928938948958968978988999009019029039049059069079089099109119129139149159169179189199209219229239249259269279289299309319329339349359369379389399409419429439449459469479489499509519529539549559569579589599609619629639649659669679689699709719729739749759769779789799809819829839849859869879889899909919929939949959969979989991000100110021003100410051006100710081009101010111012101310141015101610171018101910201021102210231024102510261027102810291030103110321033103410351036103710381039104010411042104310441045104610471048104910501051105210531054105510561057105810591060106110621063106410651066106710681069107010711072107310741075107610771078107910801081108210831084108510861087108810891090109110921093109410951096109710981099110011011102110311041105110611071108110911101111111211131114111511161117111811191120112111221123112411251126112711281129113011311132113311341135113611371138113911401141114211431144114511461147114811491150115111521153115411551156115711581159116011611162116311641165116611671168116911701171117211731174117511761177
							<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<!--
 | Generated by Apache Maven Doxia at 2025-05-23
 | Rendered using Apache Maven Stylus Skin 1.5
-->
<html xmlns="http://www.w3.org/1999/xhtml">
  <head>
    <title>Apache Hadoop 3.5.0-SNAPSHOT &#x2013; 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" />
        <meta name="Date-Revision-yyyymmdd" content="20250523" />
    <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>
              
                                   &nbsp;| Last Published: 2025-05-23
              &nbsp;| Version: 3.5.0-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/index.html">Huaweicloud OBS</a>
            </li>
                  <li class="none">
                  <a href="../../../../hadoop-tos/cloud-storage/index.html">VolcanoEngine TOS</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_2.8.3_-_2017-12-12"></a>Release 2.8.3 - 2017-12-12</h2><section>
<h3><a name="INCOMPATIBLE_CHANGES:"></a>INCOMPATIBLE CHANGES:</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-13588">HADOOP-13588</a> </td>
<td align="left"> ConfServlet should respect Accept request header </td>
<td align="left">  Major </td>
<td align="left"> conf </td>
<td align="left"> Weiwei Yang </td>
<td align="left"> Weiwei Yang </td></tr>
<tr class="a">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-14260">HADOOP-14260</a> </td>
<td align="left"> Configuration.dumpConfiguration should redact sensitive information </td>
<td align="left">  Major </td>
<td align="left"> conf, security </td>
<td align="left"> Vihang Karajgaonkar </td>
<td align="left"> John Zhuge </td></tr>
</tbody>
</table></section><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-13933">HADOOP-13933</a> </td>
<td align="left"> Add haadmin -getAllServiceState option to get the HA state of all the NameNodes/ResourceManagers </td>
<td align="left">  Major </td>
<td align="left"> tools </td>
<td align="left"> Surendra Singh Lilhore </td>
<td align="left"> Surendra Singh Lilhore </td></tr>
<tr class="a">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HDFS-10480">HDFS-10480</a> </td>
<td align="left"> Add an admin command to list currently open files </td>
<td align="left">  Major </td>
<td align="left"> . </td>
<td align="left"> Kihwal Lee </td>
<td align="left"> Manoj Govindassamy </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-13628">HADOOP-13628</a> </td>
<td align="left"> Support to retrieve specific property from configuration via REST API </td>
<td align="left">  Major </td>
<td align="left"> conf </td>
<td align="left"> Weiwei Yang </td>
<td align="left"> Weiwei Yang </td></tr>
<tr class="a">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HDFS-12143">HDFS-12143</a> </td>
<td align="left"> Improve performance of getting and removing inode features </td>
<td align="left">  Major </td>
<td align="left"> namenode </td>
<td align="left"> Daryn Sharp </td>
<td align="left"> Daryn Sharp </td></tr>
<tr class="b">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HDFS-12171">HDFS-12171</a> </td>
<td align="left"> Reduce IIP object allocations for inode lookup </td>
<td align="left">  Major </td>
<td align="left"> namenode </td>
<td align="left"> Daryn Sharp </td>
<td align="left"> Daryn Sharp </td></tr>
<tr class="a">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-14455">HADOOP-14455</a> </td>
<td align="left"> ViewFileSystem#rename should support be supported within same nameservice with different mountpoints </td>
<td align="left">  Major </td>
<td align="left"> viewfs </td>
<td align="left"> Brahma Reddy Battula </td>
<td align="left"> Brahma Reddy Battula </td></tr>
<tr class="b">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-14627">HADOOP-14627</a> </td>
<td align="left"> Support MSI and DeviceCode token provider in ADLS </td>
<td align="left">  Major </td>
<td align="left"> fs/adl </td>
<td align="left"> Atul Sikaria </td>
<td align="left"> Atul Sikaria </td></tr>
<tr class="a">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/YARN-7037">YARN-7037</a> </td>
<td align="left"> Optimize data transfer with zero-copy approach for containerlogs REST API in NMWebServices </td>
<td align="left">  Major </td>
<td align="left"> nodemanager </td>
<td align="left"> Tao Yang </td>
<td align="left"> Tao Yang </td></tr>
<tr class="b">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-14827">HADOOP-14827</a> </td>
<td align="left"> Allow StopWatch to accept a Timer parameter for tests </td>
<td align="left">  Minor </td>
<td align="left"> common, test </td>
<td align="left"> Erik Krogen </td>
<td align="left"> Erik Krogen </td></tr>
<tr class="a">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HDFS-12131">HDFS-12131</a> </td>
<td align="left"> Add some of the FSNamesystem JMX values as metrics </td>
<td align="left">  Minor </td>
<td align="left"> hdfs, namenode </td>
<td align="left"> Erik Krogen </td>
<td align="left"> Erik Krogen </td></tr>
<tr class="b">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-14844">HADOOP-14844</a> </td>
<td align="left"> Remove requirement to specify TenantGuid for MSI Token Provider </td>
<td align="left">  Major </td>
<td align="left"> fs/adl </td>
<td align="left"> Atul Sikaria </td>
<td align="left"> Atul Sikaria </td></tr>
<tr class="a">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-14864">HADOOP-14864</a> </td>
<td align="left"> FSDataInputStream#unbuffer UOE should include stream class name </td>
<td align="left">  Minor </td>
<td align="left"> fs </td>
<td align="left"> John Zhuge </td>
<td align="left"> Bharat Viswanadham </td></tr>
<tr class="b">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HDFS-12441">HDFS-12441</a> </td>
<td align="left"> Suppress UnresolvedPathException in namenode log </td>
<td align="left">  Minor </td>
<td align="left"> . </td>
<td align="left"> Kihwal Lee </td>
<td align="left"> Kihwal Lee </td></tr>
<tr class="a">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/MAPREDUCE-6958">MAPREDUCE-6958</a> </td>
<td align="left"> Shuffle audit logger should log size of shuffle transfer </td>
<td align="left">  Minor </td>
<td align="left"> . </td>
<td align="left"> Jason Lowe </td>
<td align="left"> Jason Lowe </td></tr>
<tr class="b">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HDFS-12420">HDFS-12420</a> </td>
<td align="left"> Add an option to disallow &#x2018;namenode format -force&#x2019; </td>
<td align="left">  Major </td>
<td align="left"> . </td>
<td align="left"> Ajay Kumar </td>
<td align="left"> Ajay Kumar </td></tr>
<tr class="a">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-14521">HADOOP-14521</a> </td>
<td align="left"> KMS client needs retry logic </td>
<td align="left">  Major </td>
<td align="left"> . </td>
<td align="left"> Rushabh S Shah </td>
<td align="left"> Rushabh S Shah </td></tr>
<tr class="b">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HDFS-12603">HDFS-12603</a> </td>
<td align="left"> Enable async edit logging by default </td>
<td align="left">  Major </td>
<td align="left"> namenode </td>
<td align="left"> Andrew Wang </td>
<td align="left"> Andrew Wang </td></tr>
<tr class="a">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HDFS-12642">HDFS-12642</a> </td>
<td align="left"> Log block and datanode details in BlockRecoveryWorker </td>
<td align="left">  Major </td>
<td align="left"> datanode </td>
<td align="left"> Xiao Chen </td>
<td align="left"> Xiao Chen </td></tr>
<tr class="b">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-14880">HADOOP-14880</a> </td>
<td align="left"> [KMS] Document&amp;test missing KMS client side configs </td>
<td align="left">  Minor </td>
<td align="left"> . </td>
<td align="left"> Wei-Chiu Chuang </td>
<td align="left"> Gabor Bota </td></tr>
<tr class="a">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HDFS-12619">HDFS-12619</a> </td>
<td align="left"> Do not catch and throw unchecked exceptions if IBRs fail to process </td>
<td align="left">  Minor </td>
<td align="left"> namenode </td>
<td align="left"> Wei-Chiu Chuang </td>
<td align="left"> Wei-Chiu Chuang </td></tr>
<tr class="b">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/YARN-4163">YARN-4163</a> </td>
<td align="left"> Audit getQueueInfo and getApplications calls </td>
<td align="left">  Major </td>
<td align="left"> . </td>
<td align="left"> Chang Li </td>
<td align="left"> Chang Li </td></tr>
<tr class="a">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/MAPREDUCE-6975">MAPREDUCE-6975</a> </td>
<td align="left"> Logging task counters </td>
<td align="left">  Major </td>
<td align="left"> task </td>
<td align="left"> Prabhu Joseph </td>
<td align="left"> Prabhu Joseph </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/YARN-5444">YARN-5444</a> </td>
<td align="left"> Fix failing unit tests in TestLinuxContainerExecutorWithMocks </td>
<td align="left">  Major </td>
<td align="left"> nodemanager </td>
<td align="left"> Yufei Gu </td>
<td align="left"> Yufei Gu </td></tr>
<tr class="a">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/MAPREDUCE-6808">MAPREDUCE-6808</a> </td>
<td align="left"> Log map attempts as part of shuffle handler audit log </td>
<td align="left">  Major </td>
<td align="left"> . </td>
<td align="left"> Jonathan Eagles </td>
<td align="left"> Gerg&#x151; P&#xe1;sztor </td></tr>
<tr class="b">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-14578">HADOOP-14578</a> </td>
<td align="left"> Bind IPC connections to kerberos UPN host for proxy users </td>
<td align="left">  Major </td>
<td align="left"> ipc </td>
<td align="left"> Daryn Sharp </td>
<td align="left"> Daryn Sharp </td></tr>
<tr class="a">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-14677">HADOOP-14677</a> </td>
<td align="left"> mvn clean compile fails </td>
<td align="left">  Major </td>
<td align="left"> build </td>
<td align="left"> Andras Bokor </td>
<td align="left"> Andras Bokor </td></tr>
<tr class="b">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-14702">HADOOP-14702</a> </td>
<td align="left"> Fix formatting issue and regression caused by conversion from APT to Markdown </td>
<td align="left">  Minor </td>
<td align="left"> documentation </td>
<td align="left"> Doris Gu </td>
<td align="left"> Doris Gu </td></tr>
<tr class="a">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/YARN-6965">YARN-6965</a> </td>
<td align="left"> Duplicate instantiation in FairSchedulerQueueInfo </td>
<td align="left">  Minor </td>
<td align="left"> fairscheduler </td>
<td align="left"> Masahiro Tanaka </td>
<td align="left"> Masahiro Tanaka </td></tr>
<tr class="b">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HDFS-11738">HDFS-11738</a> </td>
<td align="left"> Hedged pread takes more time when block moved from initial locations </td>
<td align="left">  Major </td>
<td align="left"> hdfs-client </td>
<td align="left"> Vinayakumar B </td>
<td align="left"> Vinayakumar B </td></tr>
<tr class="a">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HDFS-12318">HDFS-12318</a> </td>
<td align="left"> Fix IOException condition for openInfo in DFSInputStream </td>
<td align="left">  Major </td>
<td align="left"> . </td>
<td align="left"> legend </td>
<td align="left"> legend </td></tr>
<tr class="b">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HDFS-12336">HDFS-12336</a> </td>
<td align="left"> Listing encryption zones still fails when deleted EZ is not a direct child of snapshottable directory </td>
<td align="left">  Minor </td>
<td align="left"> encryption, hdfs </td>
<td align="left"> Wellington Chevreuil </td>
<td align="left"> Wellington Chevreuil </td></tr>
<tr class="a">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/MAPREDUCE-6931">MAPREDUCE-6931</a> </td>
<td align="left"> Remove TestDFSIO &#x201c;Total Throughput&#x201d; calculation </td>
<td align="left">  Critical </td>
<td align="left"> benchmarks, test </td>
<td align="left"> Dennis Huo </td>
<td align="left"> Dennis Huo </td></tr>
<tr class="b">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/YARN-7116">YARN-7116</a> </td>
<td align="left"> CapacityScheduler Web UI: Queue&#x2019;s AM usage is always show on per-user&#x2019;s AM usage. </td>
<td align="left">  Major </td>
<td align="left"> capacity scheduler, webapp </td>
<td align="left"> Wangda Tan </td>
<td align="left"> Wangda Tan </td></tr>
<tr class="a">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-14824">HADOOP-14824</a> </td>
<td align="left"> Update ADLS SDK to 2.2.2 for MSI fix </td>
<td align="left">  Major </td>
<td align="left"> fs/adl </td>
<td align="left"> Atul Sikaria </td>
<td align="left"> Atul Sikaria </td></tr>
<tr class="b">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/YARN-7120">YARN-7120</a> </td>
<td align="left"> CapacitySchedulerPage NPE in &#x201c;Aggregate scheduler counts&#x201d; section </td>
<td align="left">  Minor </td>
<td align="left"> . </td>
<td align="left"> Eric Payne </td>
<td align="left"> Eric Payne </td></tr>
<tr class="a">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/YARN-7164">YARN-7164</a> </td>
<td align="left"> TestAMRMClientOnRMRestart fails sporadically with bind address in use </td>
<td align="left">  Major </td>
<td align="left"> test </td>
<td align="left"> Jason Lowe </td>
<td align="left"> Jason Lowe </td></tr>
<tr class="b">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HDFS-12369">HDFS-12369</a> </td>
<td align="left"> Edit log corruption due to hard lease recovery of not-closed file which has snapshots </td>
<td align="left">  Major </td>
<td align="left"> namenode </td>
<td align="left"> Xiao Chen </td>
<td align="left"> Xiao Chen </td></tr>
<tr class="a">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-14867">HADOOP-14867</a> </td>
<td align="left"> Update HDFS Federation setup document, for incorrect property name for secondary name node http address </td>
<td align="left">  Major </td>
<td align="left"> . </td>
<td align="left"> Bharat Viswanadham </td>
<td align="left"> Bharat Viswanadham </td></tr>
<tr class="b">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/YARN-4727">YARN-4727</a> </td>
<td align="left"> Unable to override the $HADOOP_CONF_DIR env variable for container </td>
<td align="left">  Major </td>
<td align="left"> nodemanager </td>
<td align="left"> Terence Yim </td>
<td align="left"> Jason Lowe </td></tr>
<tr class="a">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/MAPREDUCE-6957">MAPREDUCE-6957</a> </td>
<td align="left"> shuffle hangs after a node manager connection timeout </td>
<td align="left">  Major </td>
<td align="left"> mrv2 </td>
<td align="left"> Jooseong Kim </td>
<td align="left"> Jooseong Kim </td></tr>
<tr class="b">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HDFS-12424">HDFS-12424</a> </td>
<td align="left"> Datatable sorting on the Datanode Information page in the Namenode UI is broken </td>
<td align="left">  Major </td>
<td align="left"> . </td>
<td align="left"> Shawna Martell </td>
<td align="left"> Shawna Martell </td></tr>
<tr class="a">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HDFS-12323">HDFS-12323</a> </td>
<td align="left"> NameNode terminates after full GC thinking QJM unresponsive if full GC is much longer than timeout </td>
<td align="left">  Major </td>
<td align="left"> namenode, qjm </td>
<td align="left"> Erik Krogen </td>
<td align="left"> Erik Krogen </td></tr>
<tr class="b">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/MAPREDUCE-6960">MAPREDUCE-6960</a> </td>
<td align="left"> Shuffle Handler prints disk error stack traces for every read failure. </td>
<td align="left">  Major </td>
<td align="left"> . </td>
<td align="left"> Kuhu Shukla </td>
<td align="left"> Kuhu Shukla </td></tr>
<tr class="a">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HDFS-11799">HDFS-11799</a> </td>
<td align="left"> Introduce a config to allow setting up write pipeline with fewer nodes than replication factor </td>
<td align="left">  Major </td>
<td align="left"> . </td>
<td align="left"> Yongjun Zhang </td>
<td align="left"> Brahma Reddy Battula </td></tr>
<tr class="b">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/YARN-6771">YARN-6771</a> </td>
<td align="left"> Use classloader inside configuration class to make new classes </td>
<td align="left">  Major </td>
<td align="left"> . </td>
<td align="left"> Jongyoul Lee </td>
<td align="left"> Jongyoul Lee </td></tr>
<tr class="a">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HDFS-12526">HDFS-12526</a> </td>
<td align="left"> FSDirectory should use Time.monotonicNow for durations </td>
<td align="left">  Minor </td>
<td align="left"> . </td>
<td align="left"> Chetna Chaudhari </td>
<td align="left"> Bharat Viswanadham </td></tr>
<tr class="b">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HDFS-12371">HDFS-12371</a> </td>
<td align="left"> &#x201c;BlockVerificationFailures&#x201d; and &#x201c;BlocksVerified&#x201d; show up as 0 in Datanode JMX </td>
<td align="left">  Major </td>
<td align="left"> metrics </td>
<td align="left"> Sai Nukavarapu </td>
<td align="left"> Hanisha Koneru </td></tr>
<tr class="a">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/MAPREDUCE-6966">MAPREDUCE-6966</a> </td>
<td align="left"> DistSum should use Time.monotonicNow for measuring durations </td>
<td align="left">  Minor </td>
<td align="left"> . </td>
<td align="left"> Chetna Chaudhari </td>
<td align="left"> Chetna Chaudhari </td></tr>
<tr class="b">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HDFS-12531">HDFS-12531</a> </td>
<td align="left"> Fix conflict in the javadoc of UnderReplicatedBlocks.java in branch-2 </td>
<td align="left">  Minor </td>
<td align="left"> documentation </td>
<td align="left"> Akira Ajisaka </td>
<td align="left"> Bharat Viswanadham </td></tr>
<tr class="a">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HDFS-12495">HDFS-12495</a> </td>
<td align="left"> TestPendingInvalidateBlock#testPendingDeleteUnknownBlocks fails intermittently </td>
<td align="left">  Major </td>
<td align="left"> . </td>
<td align="left"> Eric Badger </td>
<td align="left"> Eric Badger </td></tr>
<tr class="b">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-14891">HADOOP-14891</a> </td>
<td align="left"> Remove references to Guava Objects.toStringHelper </td>
<td align="left">  Major </td>
<td align="left"> . </td>
<td align="left"> Jonathan Eagles </td>
<td align="left"> Jonathan Eagles </td></tr>
<tr class="a">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-14902">HADOOP-14902</a> </td>
<td align="left"> LoadGenerator#genFile write close timing is incorrectly calculated </td>
<td align="left">  Major </td>
<td align="left"> fs </td>
<td align="left"> Jason Lowe </td>
<td align="left"> Hanisha Koneru </td></tr>
<tr class="b">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/YARN-7084">YARN-7084</a> </td>
<td align="left"> TestSchedulingMonitor#testRMStarts fails sporadically </td>
<td align="left">  Major </td>
<td align="left"> . </td>
<td align="left"> Jason Lowe </td>
<td align="left"> Jason Lowe </td></tr>
<tr class="a">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/YARN-7226">YARN-7226</a> </td>
<td align="left"> Whitelisted variables do not support delayed variable expansion </td>
<td align="left">  Major </td>
<td align="left"> nodemanager </td>
<td align="left"> Jason Lowe </td>
<td align="left"> Jason Lowe </td></tr>
<tr class="b">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/YARN-7285">YARN-7285</a> </td>
<td align="left"> ContainerExecutor always launches with priorities due to yarn-default property </td>
<td align="left">  Minor </td>
<td align="left"> nodemanager </td>
<td align="left"> Jason Lowe </td>
<td align="left"> Jason Lowe </td></tr>
<tr class="a">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/YARN-7245">YARN-7245</a> </td>
<td align="left"> Max AM Resource column in Active Users Info section of Capacity Scheduler UI page should be updated per-user </td>
<td align="left">  Major </td>
<td align="left"> capacity scheduler, yarn </td>
<td align="left"> Eric Payne </td>
<td align="left"> Eric Payne </td></tr>
<tr class="b">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-14912">HADOOP-14912</a> </td>
<td align="left"> FairCallQueue may defer servicing calls </td>
<td align="left">  Major </td>
<td align="left"> ipc </td>
<td align="left"> Daryn Sharp </td>
<td align="left"> Daryn Sharp </td></tr>
<tr class="a">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HDFS-12659">HDFS-12659</a> </td>
<td align="left"> Update TestDeadDatanode#testNonDFSUsedONDeadNodeReReg to increase heartbeat recheck interval </td>
<td align="left">  Minor </td>
<td align="left"> . </td>
<td align="left"> Ajay Kumar </td>
<td align="left"> Ajay Kumar </td></tr>
<tr class="b">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HDFS-12485">HDFS-12485</a> </td>
<td align="left"> expunge may fail to remove trash from encryption zone </td>
<td align="left">  Major </td>
<td align="left"> . </td>
<td align="left"> Wei-Chiu Chuang </td>
<td align="left"> Wei-Chiu Chuang </td></tr>
<tr class="a">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/YARN-7333">YARN-7333</a> </td>
<td align="left"> container-executor fails to remove entries from a directory that is not writable or executable </td>
<td align="left">  Critical </td>
<td align="left"> . </td>
<td align="left"> Jason Lowe </td>
<td align="left"> Jason Lowe </td></tr>
<tr class="b">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-14966">HADOOP-14966</a> </td>
<td align="left"> Handle JDK-8071638 for hadoop-common </td>
<td align="left">  Blocker </td>
<td align="left"> . </td>
<td align="left"> Bibin A Chundatt </td>
<td align="left"> Bibin A Chundatt </td></tr>
<tr class="a">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HDFS-9914">HDFS-9914</a> </td>
<td align="left"> Fix configurable WebhDFS connect/read timeout </td>
<td align="left">  Blocker </td>
<td align="left"> hdfs-client, webhdfs </td>
<td align="left"> Xiaoyu Yao </td>
<td align="left"> Xiaoyu Yao </td></tr>
<tr class="b">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/YARN-7244">YARN-7244</a> </td>
<td align="left"> ShuffleHandler is not aware of disks that are added </td>
<td align="left">  Major </td>
<td align="left"> . </td>
<td align="left"> Kuhu Shukla </td>
<td align="left"> Kuhu Shukla </td></tr>
<tr class="a">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-14990">HADOOP-14990</a> </td>
<td align="left"> Clean up jdiff xml files added for 2.8.2 release </td>
<td align="left">  Blocker </td>
<td align="left"> . </td>
<td align="left"> Subru Krishnan </td>
<td align="left"> Junping Du </td></tr>
<tr class="b">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-14919">HADOOP-14919</a> </td>
<td align="left"> BZip2 drops records when reading data in splits </td>
<td align="left">  Critical </td>
<td align="left"> . </td>
<td align="left"> Aki Tanaka </td>
<td align="left"> Jason Lowe </td></tr>
<tr class="a">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/YARN-7370">YARN-7370</a> </td>
<td align="left"> Preemption properties should be refreshable </td>
<td align="left">  Major </td>
<td align="left"> capacity scheduler, scheduler preemption </td>
<td align="left"> Eric Payne </td>
<td align="left"> Gergely Nov&#xe1;k </td></tr>
<tr class="b">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/YARN-7361">YARN-7361</a> </td>
<td align="left"> Improve the docker container runtime documentation </td>
<td align="left">  Major </td>
<td align="left"> . </td>
<td align="left"> Shane Kumpf </td>
<td align="left"> Shane Kumpf </td></tr>
<tr class="a">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/YARN-7469">YARN-7469</a> </td>
<td align="left"> Capacity Scheduler Intra-queue preemption: User can starve if newest app is exactly at user limit </td>
<td align="left">  Major </td>
<td align="left"> capacity scheduler, yarn </td>
<td align="left"> Eric Payne </td>
<td align="left"> Eric Payne </td></tr>
<tr class="b">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-15047">HADOOP-15047</a> </td>
<td align="left"> Python is required for -Preleasedoc but not documented in branch-2.8 </td>
<td align="left">  Major </td>
<td align="left"> build, documentation </td>
<td align="left"> Akira Ajisaka </td>
<td align="left"> Bharat Viswanadham </td></tr>
<tr class="a">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/YARN-7496">YARN-7496</a> </td>
<td align="left"> CS Intra-queue preemption user-limit calculations are not in line with LeafQueue user-limit calculations </td>
<td align="left">  Major </td>
<td align="left"> . </td>
<td align="left"> Eric Payne </td>
<td align="left"> Eric Payne </td></tr>
<tr class="b">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HDFS-12832">HDFS-12832</a> </td>
<td align="left"> INode.getFullPathName may throw ArrayIndexOutOfBoundsException lead to NameNode exit </td>
<td align="left">  Critical </td>
<td align="left"> namenode </td>
<td align="left"> DENG FEI </td>
<td align="left"> Konstantin Shvachko </td></tr>
<tr class="a">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HDFS-12638">HDFS-12638</a> </td>
<td align="left"> Delete copy-on-truncate block along with the original block, when deleting a file being truncated </td>
<td align="left">  Blocker </td>
<td align="left"> hdfs </td>
<td align="left"> Jiandan Yang </td>
<td align="left"> Konstantin Shvachko </td></tr>
</tbody>
</table></section><section>
<h3><a name="SUB-TASKS:"></a>SUB-TASKS:</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-14678">HADOOP-14678</a> </td>
<td align="left"> AdlFilesystem#initialize swallows exception when getting user name </td>
<td align="left">  Minor </td>
<td align="left"> fs/adl </td>
<td align="left"> John Zhuge </td>
<td align="left"> John Zhuge </td></tr>
<tr class="a">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-14892">HADOOP-14892</a> </td>
<td align="left"> MetricsSystemImpl should use Time.monotonicNow for measuring durations </td>
<td align="left">  Minor </td>
<td align="left"> . </td>
<td align="left"> Chetna Chaudhari </td>
<td align="left"> Chetna Chaudhari </td></tr>
<tr class="b">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-14881">HADOOP-14881</a> </td>
<td align="left"> LoadGenerator should use Time.monotonicNow() to measure durations </td>
<td align="left">  Major </td>
<td align="left"> . </td>
<td align="left"> Chetna Chaudhari </td>
<td align="left"> Bharat Viswanadham </td></tr>
<tr class="a">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-14893">HADOOP-14893</a> </td>
<td align="left"> WritableRpcEngine should use Time.monotonicNow </td>
<td align="left">  Minor </td>
<td align="left"> . </td>
<td align="left"> Chetna Chaudhari </td>
<td align="left"> Chetna Chaudhari </td></tr>
<tr class="b">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HDFS-12386">HDFS-12386</a> </td>
<td align="left"> Add fsserver defaults call to WebhdfsFileSystem. </td>
<td align="left">  Minor </td>
<td align="left"> webhdfs </td>
<td align="left"> Rushabh S Shah </td>
<td align="left"> Rushabh S Shah </td></tr>
</tbody>
</table></section></section>
      </div>
    </div>
    <div class="clear">
      <hr/>
    </div>
    <div id="footer">
      <div class="xright">
        &#169;            2008-2025
              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>