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<a href="../../hadoop-project-dist/hadoop-hdfs/LibHdfs.html">libhdfs (C API)</a>
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<a href="../../hadoop-project-dist/hadoop-hdfs/ArchivalStorage.html">Storage Policies</a>
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<a href="../../hadoop-project-dist/hadoop-hdfs/SLGUserGuide.html">Synthetic Load Generator</a>
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<a href="../../hadoop-project-dist/hadoop-hdfs/HDFSErasureCoding.html">Erasure Coding</a>
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<a href="../../hadoop-project-dist/hadoop-hdfs/HDFSDiskbalancer.html">Disk Balancer</a>
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<a href="../../hadoop-project-dist/hadoop-hdfs/HdfsUpgradeDomain.html">Upgrade Domain</a>
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<a href="../../hadoop-project-dist/hadoop-hdfs-rbf/HDFSRouterFederation.html">Router Federation</a>
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<a href="../../hadoop-project-dist/hadoop-hdfs/HdfsProvidedStorage.html">Provided Storage</a>
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<h5>MapReduce</h5>
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<ul>
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<a href="../../hadoop-mapreduce-client/hadoop-mapreduce-client-core/MapReduceTutorial.html">Tutorial</a>
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<a href="../../hadoop-mapreduce-client/hadoop-mapreduce-client-core/MapredCommands.html">Commands Reference</a>
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<li class="none">
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<a href="../../hadoop-mapreduce-client/hadoop-mapreduce-client-core/MapReduce_Compatibility_Hadoop1_Hadoop2.html">Compatibility with 1.x</a>
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<a href="../../hadoop-mapreduce-client/hadoop-mapreduce-client-core/EncryptedShuffle.html">Encrypted Shuffle</a>
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<li class="none">
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<a href="../../hadoop-mapreduce-client/hadoop-mapreduce-client-core/PluggableShuffleAndPluggableSort.html">Pluggable Shuffle/Sort</a>
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<a href="../../hadoop-mapreduce-client/hadoop-mapreduce-client-core/DistributedCacheDeploy.html">Distributed Cache Deploy</a>
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<li class="none">
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<a href="../../hadoop-mapreduce-client/hadoop-mapreduce-client-core/SharedCacheSupport.html">Support for YARN Shared Cache</a>
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</li>
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</ul>
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<h5>MapReduce REST APIs</h5>
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<ul>
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<li class="none">
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<a href="../../hadoop-mapreduce-client/hadoop-mapreduce-client-core/MapredAppMasterRest.html">MR Application Master</a>
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<a href="../../hadoop-mapreduce-client/hadoop-mapreduce-client-hs/HistoryServerRest.html">MR History Server</a>
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</ul>
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<h5>YARN</h5>
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<ul>
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<li class="none">
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<a href="../../hadoop-yarn/hadoop-yarn-site/YARN.html">Architecture</a>
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</li>
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<li class="none">
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<a href="../../hadoop-yarn/hadoop-yarn-site/YarnCommands.html">Commands Reference</a>
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<li class="none">
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<a href="../../hadoop-yarn/hadoop-yarn-site/CapacityScheduler.html">Capacity Scheduler</a>
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<a href="../../hadoop-yarn/hadoop-yarn-site/FairScheduler.html">Fair Scheduler</a>
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<a href="../../hadoop-yarn/hadoop-yarn-site/ResourceManagerRestart.html">ResourceManager Restart</a>
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</li>
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<li class="none">
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<a href="../../hadoop-yarn/hadoop-yarn-site/ResourceManagerHA.html">ResourceManager HA</a>
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<li class="none">
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<a href="../../hadoop-yarn/hadoop-yarn-site/ResourceModel.html">Resource Model</a>
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</li>
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<li class="none">
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<a href="../../hadoop-yarn/hadoop-yarn-site/NodeLabel.html">Node Labels</a>
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</li>
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<li class="none">
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<a href="../../hadoop-yarn/hadoop-yarn-site/NodeAttributes.html">Node Attributes</a>
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</li>
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<li class="none">
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<a href="../../hadoop-yarn/hadoop-yarn-site/WebApplicationProxy.html">Web Application Proxy</a>
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<li class="none">
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<a href="../../hadoop-yarn/hadoop-yarn-site/TimelineServer.html">Timeline Server</a>
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</li>
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<li class="none">
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<a href="../../hadoop-yarn/hadoop-yarn-site/TimelineServiceV2.html">Timeline Service V.2</a>
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<li class="none">
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<a href="../../hadoop-yarn/hadoop-yarn-site/WritingYarnApplications.html">Writing YARN Applications</a>
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</li>
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<li class="none">
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<a href="../../hadoop-yarn/hadoop-yarn-site/YarnApplicationSecurity.html">YARN Application Security</a>
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<li class="none">
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<a href="../../hadoop-yarn/hadoop-yarn-site/NodeManager.html">NodeManager</a>
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</li>
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<li class="none">
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<a href="../../hadoop-yarn/hadoop-yarn-site/DockerContainers.html">Running Applications in Docker Containers</a>
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<li class="none">
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<a href="../../hadoop-yarn/hadoop-yarn-site/RuncContainers.html">Running Applications in runC Containers</a>
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</li>
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<li class="none">
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<a href="../../hadoop-yarn/hadoop-yarn-site/NodeManagerCgroups.html">Using CGroups</a>
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</li>
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<li class="none">
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<a href="../../hadoop-yarn/hadoop-yarn-site/SecureContainer.html">Secure Containers</a>
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</li>
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<li class="none">
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<a href="../../hadoop-yarn/hadoop-yarn-site/ReservationSystem.html">Reservation System</a>
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</li>
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<li class="none">
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<a href="../../hadoop-yarn/hadoop-yarn-site/GracefulDecommission.html">Graceful Decommission</a>
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</li>
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<li class="none">
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<a href="../../hadoop-yarn/hadoop-yarn-site/OpportunisticContainers.html">Opportunistic Containers</a>
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</li>
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<li class="none">
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<a href="../../hadoop-yarn/hadoop-yarn-site/Federation.html">YARN Federation</a>
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</li>
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<li class="none">
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<a href="../../hadoop-yarn/hadoop-yarn-site/SharedCache.html">Shared Cache</a>
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</li>
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<li class="none">
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<a href="../../hadoop-yarn/hadoop-yarn-site/UsingGpus.html">Using GPU</a>
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</li>
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<li class="none">
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<a href="../../hadoop-yarn/hadoop-yarn-site/UsingFPGA.html">Using FPGA</a>
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</li>
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<li class="none">
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<a href="../../hadoop-yarn/hadoop-yarn-site/PlacementConstraints.html">Placement Constraints</a>
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</li>
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<li class="none">
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<a href="../../hadoop-yarn/hadoop-yarn-site/YarnUI2.html">YARN UI2</a>
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</li>
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</ul>
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<h5>YARN REST APIs</h5>
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<ul>
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<li class="none">
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<a href="../../hadoop-yarn/hadoop-yarn-site/WebServicesIntro.html">Introduction</a>
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</li>
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<li class="none">
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<a href="../../hadoop-yarn/hadoop-yarn-site/ResourceManagerRest.html">Resource Manager</a>
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</li>
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<li class="none">
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<a href="../../hadoop-yarn/hadoop-yarn-site/NodeManagerRest.html">Node Manager</a>
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</li>
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<li class="none">
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<a href="../../hadoop-yarn/hadoop-yarn-site/TimelineServer.html#Timeline_Server_REST_API_v1">Timeline Server</a>
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</li>
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<li class="none">
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<a href="../../hadoop-yarn/hadoop-yarn-site/TimelineServiceV2.html#Timeline_Service_v.2_REST_API">Timeline Service V.2</a>
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</li>
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</ul>
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<h5>YARN Service</h5>
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<ul>
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<li class="none">
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<a href="../../hadoop-yarn/hadoop-yarn-site/yarn-service/Overview.html">Overview</a>
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</li>
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<li class="none">
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<a href="../../hadoop-yarn/hadoop-yarn-site/yarn-service/QuickStart.html">QuickStart</a>
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</li>
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<li class="none">
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<a href="../../hadoop-yarn/hadoop-yarn-site/yarn-service/Concepts.html">Concepts</a>
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</li>
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<li class="none">
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<a href="../../hadoop-yarn/hadoop-yarn-site/yarn-service/YarnServiceAPI.html">Yarn Service API</a>
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</li>
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<li class="none">
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<a href="../../hadoop-yarn/hadoop-yarn-site/yarn-service/ServiceDiscovery.html">Service Discovery</a>
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</li>
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<li class="none">
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<a href="../../hadoop-yarn/hadoop-yarn-site/yarn-service/SystemServices.html">System Services</a>
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</li>
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</ul>
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<h5>Hadoop Compatible File Systems</h5>
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<ul>
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<li class="none">
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<a href="../../hadoop-aliyun/tools/hadoop-aliyun/index.html">Aliyun OSS</a>
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</li>
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<li class="none">
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<a href="../../hadoop-aws/tools/hadoop-aws/index.html">Amazon S3</a>
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</li>
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<li class="none">
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<a href="../../hadoop-azure/index.html">Azure Blob Storage</a>
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</li>
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<li class="none">
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<a href="../../hadoop-azure-datalake/index.html">Azure Data Lake Storage</a>
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</li>
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<li class="none">
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<a href="../../hadoop-cos/cloud-storage/index.html">Tencent COS</a>
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</li>
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<li class="none">
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<a href="../../hadoop-huaweicloud/cloud-storage/index.html">Huaweicloud OBS</a>
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</li>
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</ul>
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<h1>Hadoop: YARN-UI V2</h1><section>
|
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<h2><a name="Prerequisites"></a>Prerequisites</h2>
|
|
<p>Please make sure Hadoop is built by passing -Pyarn-ui to Maven (reference to BUILDING.txt for more details)</p></section><section>
|
|
<h2><a name="Configurations"></a>Configurations</h2>
|
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<p><i>In <code>yarn-site.xml</code></i></p>
|
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<table border="0" class="bodyTable">
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<thead>
|
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<tr class="a">
|
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<th align="left"> Configuration Property </th>
|
|
<th align="left"> Description </th></tr>
|
|
</thead><tbody>
|
|
|
|
<tr class="b">
|
|
<td align="left"> <code>yarn.webapp.ui2.enable</code> </td>
|
|
<td align="left"> <i>(Required)</i> In the server side it indicates whether the new YARN-UI v2 is enabled or not. Defaults to <code>false</code>. </td></tr>
|
|
<tr class="a">
|
|
<td align="left"> <code>yarn.webapp.ui2.war-file-path</code> </td>
|
|
<td align="left"> <i>(Optional)</i> WAR file path for launching yarn UI2 web application. By default this is empty and YARN will lookup required war file from classpath </td></tr>
|
|
</tbody>
|
|
</table>
|
|
<p>Please note that, If you run YARN daemons locally in your machine for test purpose, you need the following configurations added to <code>yarn-site.xml</code> to enable cross origin (CORS) support.</p>
|
|
<table border="0" class="bodyTable">
|
|
<thead>
|
|
|
|
<tr class="a">
|
|
<th align="left"> Configuration Property </th>
|
|
<th align="left"> Value </th>
|
|
<th align="left"> Description </th></tr>
|
|
</thead><tbody>
|
|
|
|
<tr class="b">
|
|
<td align="left"> <code>yarn.timeline-service.http-cross-origin.enabled</code> </td>
|
|
<td align="left"> true </td>
|
|
<td align="left"> Enable CORS support for Timeline Server </td></tr>
|
|
<tr class="a">
|
|
<td align="left"> <code>yarn.resourcemanager.webapp.cross-origin.enabled</code> </td>
|
|
<td align="left"> true </td>
|
|
<td align="left"> Enable CORS support for Resource Manager </td></tr>
|
|
<tr class="b">
|
|
<td align="left"> <code>yarn.nodemanager.webapp.cross-origin.enabled</code> </td>
|
|
<td align="left"> true </td>
|
|
<td align="left"> Enable CORS support for Node Manager </td></tr>
|
|
<tr class="a">
|
|
<td align="left"> <code>yarn.router.webapp.cross-origin.enabled</code> </td>
|
|
<td align="left"> true </td>
|
|
<td align="left"> Enable CORS support for Yarn Router </td></tr>
|
|
</tbody>
|
|
</table>
|
|
<p>Also please ensure that CORS related configurations are enabled in <code>core-site.xml</code>. Kindly refer <a href="../../hadoop-project-dist/hadoop-common/HttpAuthentication.html">here</a></p></section><section>
|
|
<h2><a name="Use_it"></a>Use it</h2>
|
|
<p>Open your browser, go to <code>rm-address:8088/ui2</code> and try it!</p></section><section>
|
|
<h2><a name="Notes"></a>Notes</h2>
|
|
<p>This UI framework is verified under security environment as well.</p></section>
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