apache
/
hadoop
의 미러 https://github.com/apache/hadoop.git


			
				
					
						
						
							1234567891011121314151617181920212223242526272829303132333435363738394041424344454647484950515253545556575859606162636465666768697071727374757677787980818283848586878889909192939495969798991001011021031041051061071081091101111121131141151161171181191201211221231241251261271281291301311321331341351361371381391401411421431441451461471481491501511521531541551561571581591601611621631641651661671681691701711721731741751761771781791801811821831841851861871881891901911921931941951961971981992002012022032042052062072082092102112122132142152162172182192202212222232242252262272282292302312322332342352362372382392402412422432442452462472482492502512522532542552562572582592602612622632642652662672682692702712722732742752762772782792802812822832842852862872882892902912922932942952962972982993003013023033043053063073083093103113123133143153163173183193203213223233243253263273283293303313323333343353363373383393403413423433443453463473483493503513523533543553563573583593603613623633643653663673683693703713723733743753763773783793803813823833843853863873883893903913923933943953963973983994004014024034044054064074084094104114124134144154164174184194204214224234244254264274284294304314324334344354364374384394404414424434444454464474484494504514524534544554564574584594604614624634644654664674684694704714724734744754764774784794804814824834844854864874884894904914924934944954964974984995005015025035045055065075085095105115125135145155165175185195205215225235245255265275285295305315325335345355365375385395405415425435445455465475485495505515525535545555565575585595605615625635645655665675685695705715725735745755765775785795805815825835845855865875885895905915925935945955965975985996006016026036046056066076086096106116126136146156166176186196206216226236246256266276286296306316326336346356366376386396406416426436446456466476486496506516526536546556566576586596606616626636646656666676686696706716726736746756766776786796806816826836846856866876886896906916926936946956966976986997007017027037047057067077087097107117127137147157167177187197207217227237247257267277287297307317327337347357367377387397407417427437447457467477487497507517527537547557567577587597607617627637647657667677687697707717727737747757767777787797807817827837847857867877887897907917927937947957967977987998008018028038048058068078088098108118128138148158168178188198208218228238248258268278288298308318328338348358368378388398408418428438448458468478488498508518528538548558568578588598608618628638648658668678688698708718728738748758768778788798808818828838848858868878888898908918928938948958968978988999009019029039049059069079089099109119129139149159169179189199209219229239249259269279289299309319329339349359369379389399409419429439449459469479489499509519529539549559569579589599609619629639649659669679689699709719729739749759769779789799809819829839849859869879889899909919929939949959969979989991000100110021003100410051006100710081009101010111012101310141015101610171018101910201021102210231024102510261027102810291030103110321033103410351036103710381039104010411042104310441045104610471048104910501051105210531054105510561057105810591060106110621063106410651066106710681069107010711072107310741075107610771078107910801081108210831084108510861087108810891090109110921093109410951096109710981099110011011102110311041105110611071108110911101111111211131114111511161117111811191120112111221123112411251126112711281129113011311132113311341135113611371138113911401141114211431144114511461147114811491150115111521153115411551156115711581159116011611162116311641165116611671168116911701171117211731174117511761177117811791180118111821183118411851186118711881189119011911192119311941195119611971198119912001201120212031204120512061207120812091210121112121213121412151216121712181219122012211222122312241225122612271228122912301231123212331234123512361237123812391240124112421243124412451246124712481249125012511252125312541255125612571258125912601261126212631264126512661267126812691270127112721273127412751276127712781279128012811282128312841285128612871288128912901291129212931294129512961297129812991300130113021303130413051306130713081309131013111312131313141315131613171318131913201321132213231324132513261327132813291330133113321333133413351336133713381339134013411342134313441345134613471348134913501351135213531354135513561357135813591360136113621363136413651366136713681369137013711372137313741375137613771378137913801381138213831384138513861387138813891390139113921393139413951396139713981399140014011402140314041405140614071408140914101411141214131414141514161417141814191420142114221423142414251426142714281429143014311432143314341435143614371438143914401441144214431444144514461447144814491450145114521453145414551456145714581459146014611462146314641465146614671468146914701471147214731474147514761477147814791480148114821483148414851486148714881489149014911492149314941495149614971498149915001501150215031504150515061507150815091510151115121513151415151516151715181519152015211522152315241525152615271528152915301531153215331534153515361537153815391540154115421543154415451546154715481549155015511552155315541555155615571558155915601561156215631564156515661567156815691570157115721573157415751576157715781579158015811582158315841585158615871588158915901591159215931594159515961597159815991600160116021603160416051606160716081609161016111612161316141615161616171618161916201621162216231624162516261627162816291630163116321633163416351636163716381639164016411642164316441645164616471648164916501651165216531654165516561657165816591660166116621663166416651666166716681669167016711672167316741675167616771678167916801681168216831684168516861687168816891690169116921693169416951696169716981699170017011702170317041705170617071708170917101711171217131714171517161717171817191720172117221723172417251726172717281729173017311732173317341735173617371738173917401741174217431744
							<!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_0.14.0_-_2007-08-20"></a>Release 0.14.0 - 2007-08-20</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-234">HADOOP-234</a> </td>
<td align="left"> Hadoop Pipes for writing map/reduce jobs in C++ and python </td>
<td align="left">  Major </td>
<td align="left"> . </td>
<td align="left"> Sanjay Dahiya </td>
<td align="left"> Owen O&#x2019;Malley </td></tr>
<tr class="a">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-1379">HADOOP-1379</a> </td>
<td align="left"> Integrate Findbugs into nightly build process </td>
<td align="left">  Major </td>
<td align="left"> test </td>
<td align="left"> Nigel Daley </td>
<td align="left"> Nigel Daley </td></tr>
<tr class="b">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-1447">HADOOP-1447</a> </td>
<td align="left"> Support for textInputFormat in contrib/data_join </td>
<td align="left">  Minor </td>
<td align="left"> . </td>
<td align="left"> Senthil Subramanian </td>
<td align="left"> Senthil Subramanian </td></tr>
<tr class="a">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-1469">HADOOP-1469</a> </td>
<td align="left"> Asynchronous table creation </td>
<td align="left">  Minor </td>
<td align="left"> . </td>
<td align="left"> James Kennedy </td>
<td align="left"> stack </td></tr>
<tr class="b">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-1377">HADOOP-1377</a> </td>
<td align="left"> Creation time and modification time for hadoop files and directories </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="a">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-1515">HADOOP-1515</a> </td>
<td align="left"> MultiFileSplit, MultiFileInputFormat </td>
<td align="left">  Major </td>
<td align="left"> . </td>
<td align="left"> Enis Soztutar </td>
<td align="left"> Enis Soztutar </td></tr>
<tr class="b">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-1508">HADOOP-1508</a> </td>
<td align="left"> ant Task for FsShell operations </td>
<td align="left">  Minor </td>
<td align="left"> build, fs </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-1570">HADOOP-1570</a> </td>
<td align="left"> Add a per-job configuration knob to control loading of native hadoop libraries </td>
<td align="left">  Major </td>
<td align="left"> io </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-1433">HADOOP-1433</a> </td>
<td align="left"> Add job priority </td>
<td align="left">  Minor </td>
<td align="left"> . </td>
<td align="left"> Johan Oskarsson </td>
<td align="left"> Johan Oskarsson </td></tr>
<tr class="a">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-1597">HADOOP-1597</a> </td>
<td align="left"> Distributed upgrade status reporting and post upgrade features. </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-1562">HADOOP-1562</a> </td>
<td align="left"> Report Java VM metrics </td>
<td align="left">  Major </td>
<td align="left"> metrics </td>
<td align="left"> David Bowen </td>
<td align="left"> David Bowen </td></tr>
<tr class="a">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-1134">HADOOP-1134</a> </td>
<td align="left"> Block level CRCs in HDFS </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-1568">HADOOP-1568</a> </td>
<td align="left"> NameNode Schema for HttpFileSystem </td>
<td align="left">  Major </td>
<td align="left"> fs </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-1437">HADOOP-1437</a> </td>
<td align="left"> Eclipse plugin for developing and executing MapReduce programs on Hadoop </td>
<td align="left">  Major </td>
<td align="left"> . </td>
<td align="left"> Eugene Hung </td>
<td align="left"> Christophe Taton </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-1343">HADOOP-1343</a> </td>
<td align="left"> Deprecate the Configuration.set(String,Object) method and make Configuration Iterable </td>
<td align="left">  Major </td>
<td align="left"> conf </td>
<td align="left"> Owen O&#x2019;Malley </td>
<td align="left"> Owen O&#x2019;Malley </td></tr>
<tr class="a">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-1342">HADOOP-1342</a> </td>
<td align="left"> A configurable limit on the number of unique values should be set on the UniqueValueCount and ValueHistogram aggregators </td>
<td align="left">  Major </td>
<td align="left"> . </td>
<td align="left"> Runping Qi </td>
<td align="left"> Runping Qi </td></tr>
<tr class="b">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-1340">HADOOP-1340</a> </td>
<td align="left"> md5 file in filecache should inherit replication factor from the file it belongs to. </td>
<td align="left">  Major </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-894">HADOOP-894</a> </td>
<td align="left"> dfs client protocol should allow asking for parts of the block map </td>
<td align="left">  Major </td>
<td align="left"> . </td>
<td align="left"> Owen O&#x2019;Malley </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-1413">HADOOP-1413</a> </td>
<td align="left"> A new example to do tile placements using distributed dancing links </td>
<td align="left">  Major </td>
<td align="left"> . </td>
<td align="left"> Owen O&#x2019;Malley </td>
<td align="left"> Owen O&#x2019;Malley </td></tr>
<tr class="a">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-800">HADOOP-800</a> </td>
<td align="left"> More improvements to DFS browsing WI </td>
<td align="left">  Major </td>
<td align="left"> . </td>
<td align="left"> arkady borkovsky </td>
<td align="left"> Enis Soztutar </td></tr>
<tr class="b">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-1408">HADOOP-1408</a> </td>
<td align="left"> fix warning about cast of Map&lt;String, Map&lt;String, JobInfo&gt;&gt; in jobhistory.jsp </td>
<td align="left">  Major </td>
<td align="left"> . </td>
<td align="left"> Owen O&#x2019;Malley </td>
<td align="left"> Owen O&#x2019;Malley </td></tr>
<tr class="a">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-1376">HADOOP-1376</a> </td>
<td align="left"> RandomWriter should be tweaked to generate input data for terasort </td>
<td align="left">  Major </td>
<td align="left"> . </td>
<td align="left"> Devaraj Das </td>
<td align="left"> Devaraj Das </td></tr>
<tr class="b">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-1429">HADOOP-1429</a> </td>
<td align="left"> RPC Server won&#x2019;t go quietly </td>
<td align="left">  Minor </td>
<td align="left"> ipc </td>
<td align="left"> stack </td>
<td align="left"> stack </td></tr>
<tr class="a">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-1450">HADOOP-1450</a> </td>
<td align="left"> checksums should be closer to data generation and consumption </td>
<td align="left">  Major </td>
<td align="left"> fs </td>
<td align="left"> Doug Cutting </td>
<td align="left"> Doug Cutting </td></tr>
<tr class="b">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-1467">HADOOP-1467</a> </td>
<td align="left"> Remove redundant counters from WordCount example </td>
<td align="left">  Major </td>
<td align="left"> . </td>
<td align="left"> Owen O&#x2019;Malley </td>
<td align="left"> Owen O&#x2019;Malley </td></tr>
<tr class="a">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-1438">HADOOP-1438</a> </td>
<td align="left"> Grammatical / wording / copy edits for Hadoop Distributed File System: Architecture and Design white paper </td>
<td align="left">  Trivial </td>
<td align="left"> documentation </td>
<td align="left"> Luke Nezda </td>
<td align="left">  </td></tr>
<tr class="b">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-1457">HADOOP-1457</a> </td>
<td align="left"> Counters for monitoring task assignments </td>
<td align="left">  Minor </td>
<td align="left"> . </td>
<td align="left"> Devaraj Das </td>
<td align="left"> Arun C Murthy </td></tr>
<tr class="a">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-1417">HADOOP-1417</a> </td>
<td align="left"> Exclude some Findbugs detectors </td>
<td align="left">  Minor </td>
<td align="left"> build </td>
<td align="left"> Nigel Daley </td>
<td align="left"> Nigel Daley </td></tr>
<tr class="b">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-1320">HADOOP-1320</a> </td>
<td align="left"> Rewrite &#x2018;random-writer&#x2019; to use &#x2018;-reducer NONE&#x2019; </td>
<td align="left">  Minor </td>
<td align="left"> . </td>
<td align="left"> Arun C Murthy </td>
<td align="left"> Arun C Murthy </td></tr>
<tr class="a">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-1484">HADOOP-1484</a> </td>
<td align="left"> Kill jobs from web interface </td>
<td align="left">  Minor </td>
<td align="left"> . </td>
<td align="left"> Enis Soztutar </td>
<td align="left"> Enis Soztutar </td></tr>
<tr class="b">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-1003">HADOOP-1003</a> </td>
<td align="left"> Proposal to batch commits to edits log. </td>
<td align="left">  Major </td>
<td align="left"> . </td>
<td align="left"> Raghu Angadi </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-1023">HADOOP-1023</a> </td>
<td align="left"> better links to mailing list archives </td>
<td align="left">  Major </td>
<td align="left"> documentation </td>
<td align="left"> Daniel Naber </td>
<td align="left"> Tom White </td></tr>
<tr class="b">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-1462">HADOOP-1462</a> </td>
<td align="left"> Better progress reporting from a Task </td>
<td align="left">  Major </td>
<td align="left"> . </td>
<td align="left"> Vivek Ratan </td>
<td align="left"> Vivek Ratan </td></tr>
<tr class="a">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-1440">HADOOP-1440</a> </td>
<td align="left"> JobClient should not sort input-splits </td>
<td align="left">  Major </td>
<td align="left"> . </td>
<td align="left"> Milind Bhandarkar </td>
<td align="left"> Senthil Subramanian </td></tr>
<tr class="b">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-1455">HADOOP-1455</a> </td>
<td align="left"> Allow any key-value pair on the command line of &#x2018;hadoop pipes&#x2019; to be added to the JobConf </td>
<td align="left">  Major </td>
<td align="left"> . </td>
<td align="left"> Christian Kunz </td>
<td align="left"> Devaraj Das </td></tr>
<tr class="a">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-1147">HADOOP-1147</a> </td>
<td align="left"> remove all @author tags from source </td>
<td align="left">  Minor </td>
<td align="left"> . </td>
<td align="left"> Doug Cutting </td>
<td align="left"> Doug Cutting </td></tr>
<tr class="b">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-1283">HADOOP-1283</a> </td>
<td align="left"> Eliminate internal UTF8 to String and vice versa conversions in the name-node. </td>
<td align="left">  Major </td>
<td align="left"> . </td>
<td align="left"> Konstantin Shvachko </td>
<td align="left"> Konstantin Shvachko </td></tr>
<tr class="a">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-1518">HADOOP-1518</a> </td>
<td align="left"> Add session id to metric data </td>
<td align="left">  Major </td>
<td align="left"> . </td>
<td align="left"> David Bowen </td>
<td align="left"> David Bowen </td></tr>
<tr class="b">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-1292">HADOOP-1292</a> </td>
<td align="left"> dfs -copyToLocal should guarantee file is complete </td>
<td align="left">  Major </td>
<td align="left"> . </td>
<td align="left"> eric baldeschwieler </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-1028">HADOOP-1028</a> </td>
<td align="left"> Servers should log startup and shutdown messages </td>
<td align="left">  Major </td>
<td align="left"> . </td>
<td align="left"> Nigel Daley </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-1485">HADOOP-1485</a> </td>
<td align="left"> Metrics should be there for reporting shuffle failures/successes </td>
<td align="left">  Major </td>
<td align="left"> . </td>
<td align="left"> Devaraj Das </td>
<td align="left"> Devaraj Das </td></tr>
<tr class="a">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-1286">HADOOP-1286</a> </td>
<td align="left"> Distributed cluster upgrade </td>
<td align="left">  Major </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-1580">HADOOP-1580</a> </td>
<td align="left"> provide better error message when subprocesses fail in hadoop streaming </td>
<td align="left">  Minor </td>
<td align="left"> . </td>
<td align="left"> John Heidemann </td>
<td align="left"> John Heidemann </td></tr>
<tr class="a">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-1473">HADOOP-1473</a> </td>
<td align="left"> Make jobids unique across jobtracker restarts </td>
<td align="left">  Major </td>
<td align="left"> . </td>
<td align="left"> Owen O&#x2019;Malley </td>
<td align="left"> Owen O&#x2019;Malley </td></tr>
<tr class="b">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-1582">HADOOP-1582</a> </td>
<td align="left"> hdfsRead and hdfsPread should return 0 instead of -1 at end-of-file. </td>
<td align="left">  Minor </td>
<td align="left"> . </td>
<td align="left"> Christian Kunz </td>
<td align="left"> Christian Kunz </td></tr>
<tr class="a">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-1470">HADOOP-1470</a> </td>
<td align="left"> Rework FSInputChecker and FSOutputSummer to support checksum code sharing between ChecksumFileSystem and block level crc dfs </td>
<td align="left">  Major </td>
<td align="left"> fs </td>
<td align="left"> Hairong Kuang </td>
<td align="left"> Hairong Kuang </td></tr>
<tr class="b">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-1585">HADOOP-1585</a> </td>
<td align="left"> GenericWritable should use generics </td>
<td align="left">  Minor </td>
<td align="left"> io </td>
<td align="left"> Espen Amble Kolstad </td>
<td align="left"> Espen Amble Kolstad </td></tr>
<tr class="a">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-1547">HADOOP-1547</a> </td>
<td align="left"> Provide examples for aggregate library </td>
<td align="left">  Major </td>
<td align="left"> . </td>
<td align="left"> Tom White </td>
<td align="left"> Runping Qi </td></tr>
<tr class="b">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-1620">HADOOP-1620</a> </td>
<td align="left"> FileSystem should have fewer abstract methods </td>
<td align="left">  Major </td>
<td align="left"> . </td>
<td align="left"> Doug Cutting </td>
<td align="left"> Doug Cutting </td></tr>
<tr class="a">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-1478">HADOOP-1478</a> </td>
<td align="left"> The blockStream of DFSClient.FSInputStream should not be buffered </td>
<td align="left">  Major </td>
<td align="left"> . </td>
<td align="left"> Hairong Kuang </td>
<td align="left"> Hairong Kuang </td></tr>
<tr class="b">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-1653">HADOOP-1653</a> </td>
<td align="left"> FSDirectory class code cleanup </td>
<td align="left">  Trivial </td>
<td align="left"> . </td>
<td align="left"> Christophe Taton </td>
<td align="left"> Christophe Taton </td></tr>
<tr class="a">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-1066">HADOOP-1066</a> </td>
<td align="left"> <a class="externalLink" href="http://lucene.apache.org/hadoop/">http://lucene.apache.org/hadoop/</a> front page is not user-friendly </td>
<td align="left">  Minor </td>
<td align="left"> documentation </td>
<td align="left"> Marco Nicosia </td>
<td align="left"> Doug Cutting </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-1197">HADOOP-1197</a> </td>
<td align="left"> The misleading Configuration.set(String, Object) should be removed </td>
<td align="left">  Minor </td>
<td align="left"> conf </td>
<td align="left"> Owen O&#x2019;Malley </td>
<td align="left"> Owen O&#x2019;Malley </td></tr>
<tr class="a">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-1344">HADOOP-1344</a> </td>
<td align="left"> getJobName not accessible from JobClient </td>
<td align="left">  Minor </td>
<td align="left"> . </td>
<td align="left"> Michael Bieniosek </td>
<td align="left">  </td></tr>
<tr class="b">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-1355">HADOOP-1355</a> </td>
<td align="left"> Possible null pointer dereference in TaskLogAppender.append(LoggingEvent) </td>
<td align="left">  Minor </td>
<td align="left"> . </td>
<td align="left"> Nigel Daley </td>
<td align="left"> Arun C Murthy </td></tr>
<tr class="a">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-1357">HADOOP-1357</a> </td>
<td align="left"> Call to equals() comparing different types in CopyFiles.cleanup(Configuration, JobConf, String, String) </td>
<td align="left">  Minor </td>
<td align="left"> util </td>
<td align="left"> Nigel Daley </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-1335">HADOOP-1335</a> </td>
<td align="left"> C++ reducers under hadoop-pipes are not started when there are no key-value pairs to be reduced </td>
<td align="left">  Major </td>
<td align="left"> . </td>
<td align="left"> Christian Kunz </td>
<td align="left"> Owen O&#x2019;Malley </td></tr>
<tr class="a">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-1359">HADOOP-1359</a> </td>
<td align="left"> Variable dereferenced then later checked for null </td>
<td align="left">  Minor </td>
<td align="left"> . </td>
<td align="left"> Nigel Daley </td>
<td align="left"> Hairong Kuang </td></tr>
<tr class="b">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-1364">HADOOP-1364</a> </td>
<td align="left"> Inconsistent synchronization of SequenceFile$Reader.noBufferedValues; locked 66% of time </td>
<td align="left">  Minor </td>
<td align="left"> io </td>
<td align="left"> Nigel Daley </td>
<td align="left"> Owen O&#x2019;Malley </td></tr>
<tr class="a">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-1390">HADOOP-1390</a> </td>
<td align="left"> Inconsistent Synchronization cleanup for {Configuration, TaskLog, MapTask, Server}.java </td>
<td align="left">  Minor </td>
<td align="left"> conf, ipc </td>
<td align="left"> Devaraj Das </td>
<td align="left"> Devaraj Das </td></tr>
<tr class="b">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-1393">HADOOP-1393</a> </td>
<td align="left"> using Math.abs(Random.getInt()) does not guarantee a positive number </td>
<td align="left">  Major </td>
<td align="left"> . </td>
<td align="left"> Owen O&#x2019;Malley </td>
<td align="left"> Owen O&#x2019;Malley </td></tr>
<tr class="a">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-1387">HADOOP-1387</a> </td>
<td align="left"> FindBugs -&gt; Performance </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-1406">HADOOP-1406</a> </td>
<td align="left"> Metrics based on Map-Reduce Counters are not cleaned up </td>
<td align="left">  Major </td>
<td align="left"> . </td>
<td align="left"> David Bowen </td>
<td align="left"> David Bowen </td></tr>
<tr class="a">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-1394">HADOOP-1394</a> </td>
<td align="left"> FindBugs : Performance : in dfs </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-1226">HADOOP-1226</a> </td>
<td align="left"> makeQualified should return an instance of a DfsPath when passed  a DfsPath </td>
<td align="left">  Major </td>
<td align="left"> . </td>
<td align="left"> Koji Noguchi </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-1443">HADOOP-1443</a> </td>
<td align="left"> TestFileCorruption fails with ArrayIndexOutOfBoundsException </td>
<td align="left">  Critical </td>
<td align="left"> . </td>
<td align="left"> Nigel Daley </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-1461">HADOOP-1461</a> </td>
<td align="left"> Corner-case deadlock in TaskTracker </td>
<td align="left">  Blocker </td>
<td align="left"> . </td>
<td align="left"> Arun C Murthy </td>
<td align="left"> Arun C Murthy </td></tr>
<tr class="a">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-1446">HADOOP-1446</a> </td>
<td align="left"> Metrics from the TaskTracker are updated only when map/reduce tasks start/end/fail </td>
<td align="left">  Major </td>
<td align="left"> . </td>
<td align="left"> Devaraj Das </td>
<td align="left"> Devaraj Das </td></tr>
<tr class="b">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-1414">HADOOP-1414</a> </td>
<td align="left"> Findbugs - Bad Practice </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="a">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-1392">HADOOP-1392</a> </td>
<td align="left"> FindBugs : Fix some correctness bugs reported in DFS, FS, etc. </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-1412">HADOOP-1412</a> </td>
<td align="left"> FindBugs: Dodgy bugs in fs, filecache, io, and util packages </td>
<td align="left">  Major </td>
<td align="left"> . </td>
<td align="left"> Hairong Kuang </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-1479">HADOOP-1479</a> </td>
<td align="left"> NPE in HStore#get if StoreFile only has keys &lt; than passed key </td>
<td align="left">  Minor </td>
<td align="left"> . </td>
<td align="left"> stack </td>
<td align="left"> stack </td></tr>
<tr class="b">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-1261">HADOOP-1261</a> </td>
<td align="left"> Restart of the same data-node should not generate edits log records. </td>
<td align="left">  Minor </td>
<td align="left"> . </td>
<td align="left"> Konstantin Shvachko </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-1311">HADOOP-1311</a> </td>
<td align="left"> Bug in BytesWritable.set(byte[] newData, int offset, int length) </td>
<td align="left">  Major </td>
<td align="left"> io </td>
<td align="left"> Srikanth Kakani </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-1456">HADOOP-1456</a> </td>
<td align="left"> TestDecommission fails with assertion  Number of replicas for block1 expected:&lt;3&gt; but was:&lt;2&gt; </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="a">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-1396">HADOOP-1396</a> </td>
<td align="left"> FileNotFound exception on DFS block </td>
<td align="left">  Blocker </td>
<td align="left"> . </td>
<td align="left"> Devaraj Das </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-1139">HADOOP-1139</a> </td>
<td align="left"> All block trasitions should be logged at log level INFO </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="a">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-1269">HADOOP-1269</a> </td>
<td align="left"> DFS Scalability: namenode throughput impacted becuase of global FSNamesystem lock </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-1472">HADOOP-1472</a> </td>
<td align="left"> Timed-out tasks are marked as &#x2018;KILLED&#x2019; rather than as &#x2018;FAILED&#x2019; which means the framework doesn&#x2019;t fail a TIP with 4 or more timed-out attempts </td>
<td align="left">  Blocker </td>
<td align="left"> . </td>
<td align="left"> Arun C Murthy </td>
<td align="left"> Arun C Murthy </td></tr>
<tr class="a">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-1234">HADOOP-1234</a> </td>
<td align="left"> map tasks fail because they do not find application in file cache </td>
<td align="left">  Major </td>
<td align="left"> . </td>
<td align="left"> Christian Kunz </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-1482">HADOOP-1482</a> </td>
<td align="left"> SecondaryNameNode does not roll ports </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="a">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-1300">HADOOP-1300</a> </td>
<td align="left"> deletion of excess replicas does not take into account &#x2018;rack-locality&#x2019; </td>
<td align="left">  Major </td>
<td align="left"> . </td>
<td align="left"> Koji Noguchi </td>
<td align="left"> Hairong Kuang </td></tr>
<tr class="b">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-1459">HADOOP-1459</a> </td>
<td align="left"> FileSystem.getFileCacheHints returns IP addresses rather than hostnames, which breaks &#x2018;data-locality&#x2019; in map-reduce </td>
<td align="left">  Blocker </td>
<td align="left"> . </td>
<td align="left"> Arun C Murthy </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-1493">HADOOP-1493</a> </td>
<td align="left"> possible double setting of java.library.path introduced by HADOOP-838 </td>
<td align="left">  Major </td>
<td align="left"> . </td>
<td align="left"> Enis Soztutar </td>
<td align="left"> Enis Soztutar </td></tr>
<tr class="b">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-1372">HADOOP-1372</a> </td>
<td align="left"> DFS Clients should start using the org.apache.hadoop.fs.LocalDirAllocator </td>
<td align="left">  Major </td>
<td align="left"> . </td>
<td align="left"> Devaraj Das </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-1193">HADOOP-1193</a> </td>
<td align="left"> Map/reduce job gets OutOfMemoryException when set map out to be compressed </td>
<td align="left">  Blocker </td>
<td align="left"> . </td>
<td align="left"> Hairong Kuang </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-1492">HADOOP-1492</a> </td>
<td align="left"> DataNode version mismatch during handshake() causes NullPointerException. </td>
<td align="left">  Major </td>
<td align="left"> . </td>
<td align="left"> Konstantin Shvachko </td>
<td align="left"> Konstantin Shvachko </td></tr>
<tr class="a">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-1442">HADOOP-1442</a> </td>
<td align="left"> Zero-byte input files are not included in InputSplit </td>
<td align="left">  Major </td>
<td align="left"> . </td>
<td align="left"> Milind Bhandarkar </td>
<td align="left"> Senthil Subramanian </td></tr>
<tr class="b">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-1444">HADOOP-1444</a> </td>
<td align="left"> Block allocation method does not check pendingCreates for duplicate block ids </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="a">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-1207">HADOOP-1207</a> </td>
<td align="left"> hdfs -rm should NOT fail if one of the files to remove is missing </td>
<td align="left">  Minor </td>
<td align="left"> . </td>
<td align="left"> arkady borkovsky </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-1503">HADOOP-1503</a> </td>
<td align="left"> Fix for broken build by HADOOP-1498 </td>
<td align="left">  Major </td>
<td align="left"> . </td>
<td align="left"> stack </td>
<td align="left"> stack </td></tr>
<tr class="a">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-1475">HADOOP-1475</a> </td>
<td align="left"> local filecache disappears </td>
<td align="left">  Blocker </td>
<td align="left"> . </td>
<td align="left"> Christian Kunz </td>
<td align="left"> Owen O&#x2019;Malley </td></tr>
<tr class="b">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-1504">HADOOP-1504</a> </td>
<td align="left"> terminate-hadoop-cluster may be overzealous </td>
<td align="left">  Blocker </td>
<td align="left"> fs/s3 </td>
<td align="left"> Doug Cutting </td>
<td align="left"> Tom White </td></tr>
<tr class="a">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-1453">HADOOP-1453</a> </td>
<td align="left"> exists() not necessary before DFS.open </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-1489">HADOOP-1489</a> </td>
<td align="left"> Input file get truncated for text files with \r\n </td>
<td align="left">  Major </td>
<td align="left"> io </td>
<td align="left"> Bwolen Yang </td>
<td align="left">  </td></tr>
<tr class="a">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-1501">HADOOP-1501</a> </td>
<td align="left"> Block reports from all datanodes arrive at the namenode within a small band of time </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-1517">HADOOP-1517</a> </td>
<td align="left"> Three methods in FSNamesystem should not be synchronized. </td>
<td align="left">  Critical </td>
<td align="left"> . </td>
<td align="left"> Konstantin Shvachko </td>
<td align="left"> Konstantin Shvachko </td></tr>
<tr class="a">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-1512">HADOOP-1512</a> </td>
<td align="left"> TestTextInputFormat fails on Windows </td>
<td align="left">  Major </td>
<td align="left"> . </td>
<td align="left"> Konstantin Shvachko </td>
<td align="left">  </td></tr>
<tr class="b">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-1514">HADOOP-1514</a> </td>
<td align="left"> Progress reporting not handled for the case where a reducer currently doesn&#x2019;t have anything to fetch </td>
<td align="left">  Blocker </td>
<td align="left"> . </td>
<td align="left"> Devaraj Das </td>
<td align="left"> Vivek Ratan </td></tr>
<tr class="a">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-1367">HADOOP-1367</a> </td>
<td align="left"> Inconsistent synchronization of NetworkTopology.distFrom; locked 50% of time </td>
<td align="left">  Major </td>
<td align="left"> io </td>
<td align="left"> Nigel Daley </td>
<td align="left"> Hairong Kuang </td></tr>
<tr class="b">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-1536">HADOOP-1536</a> </td>
<td align="left"> libhdfs tests failing </td>
<td align="left">  Blocker </td>
<td align="left"> . </td>
<td align="left"> Nigel Daley </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-1520">HADOOP-1520</a> </td>
<td align="left"> IndexOutOfBoundsException in FSEditLog.processIOError </td>
<td align="left">  Blocker </td>
<td align="left"> . </td>
<td align="left"> Nigel Daley </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-1542">HADOOP-1542</a> </td>
<td align="left"> Incorrect task/tip being scheduled (looks like speculative execution) </td>
<td align="left">  Blocker </td>
<td align="left"> . </td>
<td align="left"> Nigel Daley </td>
<td align="left"> Owen O&#x2019;Malley </td></tr>
<tr class="a">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-1513">HADOOP-1513</a> </td>
<td align="left"> A likely race condition between the creation of a directory and checking for its existence in the DiskChecker class </td>
<td align="left">  Critical </td>
<td align="left"> fs </td>
<td align="left"> Devaraj Das </td>
<td align="left"> Devaraj Das </td></tr>
<tr class="b">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-1546">HADOOP-1546</a> </td>
<td align="left"> The DFS WebUI shows an incorrect column for file Creatin Time </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="a">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-690">HADOOP-690</a> </td>
<td align="left"> NPE in jobcontrol </td>
<td align="left">  Major </td>
<td align="left"> . </td>
<td align="left"> Johan Oskarsson </td>
<td align="left"> Owen O&#x2019;Malley </td></tr>
<tr class="b">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-1556">HADOOP-1556</a> </td>
<td align="left"> 9 unit test failures: file.out.index already exists </td>
<td align="left">  Major </td>
<td align="left"> . </td>
<td align="left"> Nigel Daley </td>
<td align="left"> Devaraj Das </td></tr>
<tr class="a">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-1554">HADOOP-1554</a> </td>
<td align="left"> Fix the JobHistory to display things like the number of nodes the job ran on, the number of killed/failed tasks </td>
<td align="left">  Major </td>
<td align="left"> . </td>
<td align="left"> Devaraj Das </td>
<td align="left"> Devaraj Das </td></tr>
<tr class="b">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-1448">HADOOP-1448</a> </td>
<td align="left"> Setting the replication factor of a file too high causes namenode cpu overload </td>
<td align="left">  Major </td>
<td align="left"> . </td>
<td align="left"> dhruba borthakur </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-1578">HADOOP-1578</a> </td>
<td align="left"> Data-nodes should send storage ID to the name-node during registration </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-1584">HADOOP-1584</a> </td>
<td align="left"> Bug in readFields of GenericWritable </td>
<td align="left">  Minor </td>
<td align="left"> io </td>
<td align="left"> Espen Amble Kolstad </td>
<td align="left"> Espen Amble Kolstad </td></tr>
<tr class="a">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-911">HADOOP-911</a> </td>
<td align="left"> Multithreading issue with libhdfs library </td>
<td align="left">  Blocker </td>
<td align="left"> . </td>
<td align="left"> Christian Kunz </td>
<td align="left"> Christian Kunz </td></tr>
<tr class="b">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-1486">HADOOP-1486</a> </td>
<td align="left"> ReplicationMonitor thread goes away </td>
<td align="left">  Blocker </td>
<td align="left"> . </td>
<td align="left"> Koji Noguchi </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-1590">HADOOP-1590</a> </td>
<td align="left"> Jobtracker web interface contains several absolute href links instead of relative ones </td>
<td align="left">  Major </td>
<td align="left"> . </td>
<td align="left"> Thomas Friol </td>
<td align="left">  </td></tr>
<tr class="b">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-1596">HADOOP-1596</a> </td>
<td align="left"> TestSymLink is failing </td>
<td align="left">  Blocker </td>
<td align="left"> . </td>
<td align="left"> Doug Cutting </td>
<td align="left"> Owen O&#x2019;Malley </td></tr>
<tr class="a">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-1535">HADOOP-1535</a> </td>
<td align="left"> Wrong comparator used to merge files in Reduce phase </td>
<td align="left">  Major </td>
<td align="left"> . </td>
<td align="left"> Vivek Ratan </td>
<td align="left"> Vivek Ratan </td></tr>
<tr class="b">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-1428">HADOOP-1428</a> </td>
<td align="left"> ChecksumFileSystem : some operations implicitly not supported. </td>
<td align="left">  Major </td>
<td align="left"> fs </td>
<td align="left"> Raghu Angadi </td>
<td align="left">  </td></tr>
<tr class="a">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-1124">HADOOP-1124</a> </td>
<td align="left"> ChecksumFileSystem does not handle ChecksumError correctly </td>
<td align="left">  Major </td>
<td align="left"> fs </td>
<td align="left"> Hairong Kuang </td>
<td align="left"> Hairong Kuang </td></tr>
<tr class="b">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-1576">HADOOP-1576</a> </td>
<td align="left"> web interface inconsistencies when using speculative execution </td>
<td align="left">  Blocker </td>
<td align="left"> . </td>
<td align="left"> Christian Kunz </td>
<td align="left"> Arun C Murthy </td></tr>
<tr class="a">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-1524">HADOOP-1524</a> </td>
<td align="left"> Task Logs userlogs don&#x2019;t show up for a while </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-1599">HADOOP-1599</a> </td>
<td align="left"> TestCopyFiles with IllegalArgumentException on Windows </td>
<td align="left">  Blocker </td>
<td align="left"> fs </td>
<td align="left"> Nigel Daley </td>
<td align="left"> Senthil Subramanian </td></tr>
<tr class="a">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-1613">HADOOP-1613</a> </td>
<td align="left"> The dfs webui (dfshealth) shows &#x201c;Last Contact&#x201d; as a negative number </td>
<td align="left">  Minor </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-1400">HADOOP-1400</a> </td>
<td align="left"> JobClient rpc times out getting job status </td>
<td align="left">  Blocker </td>
<td align="left"> . </td>
<td align="left"> Nigel Daley </td>
<td align="left"> Owen O&#x2019;Malley </td></tr>
<tr class="a">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-1564">HADOOP-1564</a> </td>
<td align="left"> Write unit tests to detect CRC corruption </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-1285">HADOOP-1285</a> </td>
<td align="left"> ChecksumFileSystem : Can&#x2019;t read when io.file.buffer.size &lt; bytePerChecksum </td>
<td align="left">  Major </td>
<td align="left"> fs </td>
<td align="left"> Raghu Angadi </td>
<td align="left">  </td></tr>
<tr class="a">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-1625">HADOOP-1625</a> </td>
<td align="left"> &#x201c;could not move files&#x201d; exception in DataXceiver </td>
<td align="left">  Blocker </td>
<td align="left"> . </td>
<td align="left"> Konstantin Shvachko </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-1624">HADOOP-1624</a> </td>
<td align="left"> Unknown op code exception in DataXceiver. </td>
<td align="left">  Blocker </td>
<td align="left"> . </td>
<td align="left"> Konstantin Shvachko </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-1084">HADOOP-1084</a> </td>
<td align="left"> updating a hdfs file, doesn&#x2019;t cause the distributed file cache to update itself </td>
<td align="left">  Blocker </td>
<td align="left"> . </td>
<td align="left"> Owen O&#x2019;Malley </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-1639">HADOOP-1639</a> </td>
<td align="left"> TestSymLink is failing fairly often and is blocking the regression </td>
<td align="left">  Major </td>
<td align="left"> . </td>
<td align="left"> Owen O&#x2019;Malley </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-1623">HADOOP-1623</a> </td>
<td align="left"> dfs -cp infinite loop creating sub-directories </td>
<td align="left">  Blocker </td>
<td align="left"> . </td>
<td align="left"> Koji Noguchi </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-1603">HADOOP-1603</a> </td>
<td align="left"> Replication gets set to 1 sometimes when Namenode restarted. </td>
<td align="left">  Blocker </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-1635">HADOOP-1635</a> </td>
<td align="left"> Keypair Name Hardcoded </td>
<td align="left">  Minor </td>
<td align="left"> contrib/cloud </td>
<td align="left"> Stu Hood </td>
<td align="left">  </td></tr>
<tr class="b">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-1634">HADOOP-1634</a> </td>
<td align="left"> EC2 launch-hadoop-cluster awk Problem </td>
<td align="left">  Minor </td>
<td align="left"> contrib/cloud </td>
<td align="left"> Stu Hood </td>
<td align="left">  </td></tr>
<tr class="a">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-1638">HADOOP-1638</a> </td>
<td align="left"> Master node unable to bind to DNS hostname </td>
<td align="left">  Minor </td>
<td align="left"> contrib/cloud </td>
<td align="left"> Stu Hood </td>
<td align="left">  </td></tr>
<tr class="b">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-1632">HADOOP-1632</a> </td>
<td align="left"> IllegalArgumentException in fsck </td>
<td align="left">  Blocker </td>
<td align="left"> . </td>
<td align="left"> Konstantin Shvachko </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-1619">HADOOP-1619</a> </td>
<td align="left"> FSInputChecker attempts to seek past EOF </td>
<td align="left">  Blocker </td>
<td align="left"> fs </td>
<td align="left"> Nigel Daley </td>
<td align="left"> Hairong Kuang </td></tr>
<tr class="b">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-1640">HADOOP-1640</a> </td>
<td align="left"> TestDecommission fails on Windows </td>
<td align="left">  Blocker </td>
<td align="left"> . </td>
<td align="left"> Nigel Daley </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-1587">HADOOP-1587</a> </td>
<td align="left"> Tasks run by MiniMRCluster don&#x2019;t get sysprops from TestCases </td>
<td align="left">  Blocker </td>
<td align="left"> test </td>
<td align="left"> Alejandro Abdelnur </td>
<td align="left"> Devaraj Das </td></tr>
<tr class="b">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-1551">HADOOP-1551</a> </td>
<td align="left"> libhdfs API is out of sync with Filesystem API </td>
<td align="left">  Blocker </td>
<td align="left"> . </td>
<td align="left"> Christian Kunz </td>
<td align="left"> Sameer Paranjpye </td></tr>
<tr class="a">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-1647">HADOOP-1647</a> </td>
<td align="left"> DistributedFileSystem.getFileStatus() fails for path &#x201c;/&#x201d; </td>
<td align="left">  Blocker </td>
<td align="left"> . </td>
<td align="left"> Enis Soztutar </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-1657">HADOOP-1657</a> </td>
<td align="left"> NNBench benchmark hangs with trunk </td>
<td align="left">  Blocker </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-1666">HADOOP-1666</a> </td>
<td align="left"> The FsShell Object cannot be used for multiple fs commands. </td>
<td align="left">  Minor </td>
<td align="left"> fs </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-1553">HADOOP-1553</a> </td>
<td align="left"> Extensive logging of C++ application can slow down task by an order of magnitude </td>
<td align="left">  Blocker </td>
<td align="left"> . </td>
<td align="left"> Christian Kunz </td>
<td align="left"> Owen O&#x2019;Malley </td></tr>
<tr class="a">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-1659">HADOOP-1659</a> </td>
<td align="left"> job id / job name mix-up </td>
<td align="left">  Blocker </td>
<td align="left"> . </td>
<td align="left"> Christian Kunz </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-1665">HADOOP-1665</a> </td>
<td align="left"> DFS Trash feature bugs </td>
<td align="left">  Blocker </td>
<td align="left"> . </td>
<td align="left"> Nigel Daley </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-1649">HADOOP-1649</a> </td>
<td align="left"> Performance regression with Block CRCs </td>
<td align="left">  Blocker </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-1680">HADOOP-1680</a> </td>
<td align="left"> Improvements to Block CRC upgrade messages </td>
<td align="left">  Blocker </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-71">HADOOP-71</a> </td>
<td align="left"> The SequenceFileRecordReader uses the default FileSystem rather than the supplied one </td>
<td align="left">  Major </td>
<td align="left"> . </td>
<td align="left"> Owen O&#x2019;Malley </td>
<td align="left"> Owen O&#x2019;Malley </td></tr>
<tr class="b">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-1668">HADOOP-1668</a> </td>
<td align="left"> add INCOMPATIBLE CHANGES section to CHANGES.txt for Hadoop 0.14 </td>
<td align="left">  Blocker </td>
<td align="left"> documentation </td>
<td align="left"> Nigel Daley </td>
<td align="left"> Nigel Daley </td></tr>
<tr class="a">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-1698">HADOOP-1698</a> </td>
<td align="left"> 7500+ reducers/partitions causes job to hang </td>
<td align="left">  Blocker </td>
<td align="left"> . </td>
<td align="left"> Srikanth Kakani </td>
<td align="left"> Devaraj Das </td></tr>
<tr class="b">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-1716">HADOOP-1716</a> </td>
<td align="left"> TestPipes.testPipes fails </td>
<td align="left">  Blocker </td>
<td align="left"> . </td>
<td align="left"> Nigel Daley </td>
<td align="left"> Owen O&#x2019;Malley </td></tr>
<tr class="a">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-1714">HADOOP-1714</a> </td>
<td align="left"> TestDFSUpgradeFromImage fails on Windows </td>
<td align="left">  Blocker </td>
<td align="left"> test </td>
<td align="left"> Nigel Daley </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-1663">HADOOP-1663</a> </td>
<td align="left"> streaming returning 0 when submitJob fails with Exception </td>
<td align="left">  Major </td>
<td align="left"> . </td>
<td align="left"> Koji Noguchi </td>
<td align="left"> Koji Noguchi </td></tr>
<tr class="a">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-1712">HADOOP-1712</a> </td>
<td align="left"> Unhandled exception in Block CRC upgrade on datanode. </td>
<td align="left">  Blocker </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-1717">HADOOP-1717</a> </td>
<td align="left"> TestDFSUpgradeFromImage fails on Solaris </td>
<td align="left">  Blocker </td>
<td align="left"> test </td>
<td align="left"> Nigel Daley </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-1681">HADOOP-1681</a> </td>
<td align="left"> Re organize StreamJob::submitAndMonitorJob() Exception handling </td>
<td align="left">  Minor </td>
<td align="left"> . </td>
<td align="left"> Lohit Vijayarenu </td>
<td align="left">  </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-1628">HADOOP-1628</a> </td>
<td align="left"> Block CRC Unit Tests: protocol tests </td>
<td align="left">  Blocker </td>
<td align="left"> . </td>
<td align="left"> Nigel Daley </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-1629">HADOOP-1629</a> </td>
<td align="left"> Block CRC Unit Tests: upgrade test </td>
<td align="left">  Blocker </td>
<td align="left"> . </td>
<td align="left"> Nigel Daley </td>
<td align="left"> Raghu Angadi </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-1336">HADOOP-1336</a> </td>
<td align="left"> turn on speculative execution by defaul </td>
<td align="left">  Major </td>
<td align="left"> . </td>
<td align="left"> Owen O&#x2019;Malley </td>
<td align="left"> Owen O&#x2019;Malley </td></tr>
<tr class="a">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-1449">HADOOP-1449</a> </td>
<td align="left"> Example for contrib/data_join </td>
<td align="left">  Minor </td>
<td align="left"> . </td>
<td align="left"> Senthil Subramanian </td>
<td align="left"> Senthil Subramanian </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>