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chenxiaoxiong
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Reviewed-by: Pruthi, Vineet <vineet.pruthi@t-systems.com> Co-authored-by: chenxiaoxiong <chenxiaoxiong@huawei.com> Co-committed-by: chenxiaoxiong <chenxiaoxiong@huawei.com>
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86 lines
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<a name="dataartsstudio_01_1096"></a><a name="dataartsstudio_01_1096"></a>
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<h1 class="topictitle1">Creating a Hadoop Cluster Configuration</h1>
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<div id="body8662426"><p id="dataartsstudio_01_1096__en-us_topic_0000001101126424_p01131142562">On the <strong id="dataartsstudio_01_1096__en-us_topic_0000001101126424_b540384500102010">Cluster Configurations</strong> page, you can create, edit, or delete Hadoop cluster configurations.</p>
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<p id="dataartsstudio_01_1096__en-us_topic_0000001101126424_p443113311251">When creating a Hadoop link, the Hadoop cluster configurations can simplify the link creation. See <a href="#dataartsstudio_01_1096__en-us_topic_0000001101126424_fig298025592212">Figure 1</a> for details.</p>
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<div class="fignone" id="dataartsstudio_01_1096__en-us_topic_0000001101126424_fig298025592212"><a name="dataartsstudio_01_1096__en-us_topic_0000001101126424_fig298025592212"></a><a name="en-us_topic_0000001101126424_fig298025592212"></a><span class="figcap"><b>Figure 1 </b>Comparison before and after using the cluster configurations</span><br><span><img id="dataartsstudio_01_1096__en-us_topic_0000001101126424_image29283388222" src="en-us_image_0000002234237808.png" title="Click to enlarge" class="imgResize"></span></div>
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<p id="dataartsstudio_01_1096__en-us_topic_0000001101126424_p685265765716">CDM supports the following types of Hadoop links:</p>
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<ul id="dataartsstudio_01_1096__en-us_topic_0000001101126424_ul1356202145910"><li id="dataartsstudio_01_1096__en-us_topic_0000001101126424_li163563212594">MRS clusters: MRS HDFS, MRS HBase, and MRS Hive</li><li id="dataartsstudio_01_1096__en-us_topic_0000001101126424_li935619285912">FusionInsight clusters: FusionInsight HDFS, FusionInsight HBase, and FusionInsight Hive</li><li id="dataartsstudio_01_1096__en-us_topic_0000001101126424_li18356122115910">Apache clusters: Apache HDFS, Apache HBase, and Apache Hive</li></ul>
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<div class="section" id="dataartsstudio_01_1096__en-us_topic_0000001101126424_en-us_topic_0108275312_s8a5e976c7db244cf9d43646190a8835e"><h4 class="sectiontitle">Scenario</h4><p id="dataartsstudio_01_1096__en-us_topic_0000001101126424_en-us_topic_0108275312_p888883465911">Before creating a Hadoop link, you are advised to create cluster configurations to simplify the link parameter configurations.</p>
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</div>
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<div class="section" id="dataartsstudio_01_1096__en-us_topic_0000001101126424_en-us_topic_0108275312_s943e06d0af1147ee8d4514a8464c7693"><h4 class="sectiontitle">Prerequisites</h4><ul id="dataartsstudio_01_1096__en-us_topic_0000001101126424_en-us_topic_0108275312_ul103198229111"><li id="dataartsstudio_01_1096__en-us_topic_0000001101126424_en-us_topic_0286032703_li64645355161956">A cluster has been created.</li><li id="dataartsstudio_01_1096__en-us_topic_0000001101126424_li38334521133">You have obtained the Hadoop cluster configuration file and keytab file. See <a href="#dataartsstudio_01_1096__en-us_topic_0000001101126424_table8831038596">Table 1</a> for details.</li></ul>
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</div>
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<div class="section" id="dataartsstudio_01_1096__en-us_topic_0000001101126424_section119894414104"><h4 class="sectiontitle">Obtaining the Cluster Configuration File and Keytab File</h4><p id="dataartsstudio_01_1096__en-us_topic_0000001101126424_p6327155516103">The methods for obtaining the Hadoop cluster configuration file and keytab file vary depending on the Hadoop cluster type. For details, see <a href="#dataartsstudio_01_1096__en-us_topic_0000001101126424_table8831038596">Table 1</a>.</p>
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<div class="tablenoborder"><a name="dataartsstudio_01_1096__en-us_topic_0000001101126424_table8831038596"></a><a name="en-us_topic_0000001101126424_table8831038596"></a><table cellpadding="4" cellspacing="0" summary="" id="dataartsstudio_01_1096__en-us_topic_0000001101126424_table8831038596" frame="border" border="1" rules="all"><caption><b>Table 1 </b>Obtaining the cluster configuration file and keytab file</caption><thead align="left"><tr id="dataartsstudio_01_1096__en-us_topic_0000001101126424_row188443811915"><th align="left" class="cellrowborder" valign="top" width="19.189999999999998%" id="mcps1.3.8.3.2.4.1.1"><p id="dataartsstudio_01_1096__en-us_topic_0000001101126424_p98412380915">Hadoop Link</p>
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</th>
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<th align="left" class="cellrowborder" valign="top" width="38.47%" id="mcps1.3.8.3.2.4.1.2"><p id="dataartsstudio_01_1096__en-us_topic_0000001101126424_p148463819918">Obtaining the Cluster Configuration File</p>
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</th>
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<th align="left" class="cellrowborder" valign="top" width="42.34%" id="mcps1.3.8.3.2.4.1.3"><p id="dataartsstudio_01_1096__en-us_topic_0000001101126424_p1849314161587">Obtaining the Keytab File</p>
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</th>
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</tr>
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</thead>
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<tbody><tr id="dataartsstudio_01_1096__en-us_topic_0000001101126424_row19841838895"><td class="cellrowborder" valign="top" width="19.189999999999998%" headers="mcps1.3.8.3.2.4.1.1 "><p id="dataartsstudio_01_1096__en-us_topic_0000001101126424_p19208123441016">MRS cluster</p>
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<ul id="dataartsstudio_01_1096__en-us_topic_0000001101126424_ul101775439106"><li id="dataartsstudio_01_1096__en-us_topic_0000001101126424_li617719432105">MRS HDFS</li><li id="dataartsstudio_01_1096__en-us_topic_0000001101126424_li1017719435103">MRS HBase</li><li id="dataartsstudio_01_1096__en-us_topic_0000001101126424_li151775432108">MRS Hive</li><li id="dataartsstudio_01_1096__en-us_topic_0000001101126424_li849382611384">MRS Hudi</li><li id="dataartsstudio_01_1096__en-us_topic_0000001101126424_li1362012315382">MRS ClickHouse</li></ul>
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</td>
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<td class="cellrowborder" valign="top" width="38.47%" headers="mcps1.3.8.3.2.4.1.2 "><p id="dataartsstudio_01_1096__en-us_topic_0000001101126424_p111471827493">For clusters of MRS 3.x:</p>
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<ol id="dataartsstudio_01_1096__en-us_topic_0000001101126424_ol1967117451484"><li id="dataartsstudio_01_1096__en-us_topic_0000001101126424_li86721454487">Log in to FusionInsight Manager.</li><li id="dataartsstudio_01_1096__en-us_topic_0000001101126424_li116728454480">Choose <strong id="dataartsstudio_01_1096__en-us_topic_0000001101126424_b676317284127">Cluster</strong> > <em id="dataartsstudio_01_1096__en-us_topic_0000001101126424_i1576442817128">Name of the desired cluster</em> > <strong id="dataartsstudio_01_1096__en-us_topic_0000001101126424_b976416287128">Dashboard</strong> > <strong id="dataartsstudio_01_1096__en-us_topic_0000001101126424_b147641628191217">More</strong> > <strong id="dataartsstudio_01_1096__en-us_topic_0000001101126424_b1376414283125">Download Client</strong>.</li><li id="dataartsstudio_01_1096__en-us_topic_0000001101126424_li16721345104819">In the dialog box that is displayed, select <strong id="dataartsstudio_01_1096__en-us_topic_0000001101126424_b1622272510508">Configuration Files Only</strong>. The platform type must be the same as that on the server. Retain the default values of other parameters and click <strong id="dataartsstudio_01_1096__en-us_topic_0000001101126424_b222732518502">OK</strong> to download the configuration file to the local host.</li><li id="dataartsstudio_01_1096__en-us_topic_0000001101126424_li18673245164812">Obtain the downloaded TAR package, which is the FusionInsight cluster configuration file.</li></ol>
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<p id="dataartsstudio_01_1096__en-us_topic_0000001101126424_p111253239481">For clusters of MRS 2.x or earlier:</p>
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<ol id="dataartsstudio_01_1096__en-us_topic_0000001101126424_ol2097774131311"><li id="dataartsstudio_01_1096__en-us_topic_0000001101126424_li127391412113">Log in to the MRS console.</li><li id="dataartsstudio_01_1096__en-us_topic_0000001101126424_li15977144201315">Choose <strong id="dataartsstudio_01_1096__en-us_topic_0000001101126424_b1733656499102010">Clusters</strong> > <strong id="dataartsstudio_01_1096__en-us_topic_0000001101126424_b1252909706102010">Active Clusters</strong> and click a cluster name to go to the cluster details page. Click the <strong id="dataartsstudio_01_1096__en-us_topic_0000001101126424_b266394162102010">Components</strong> tab.</li><li id="dataartsstudio_01_1096__en-us_topic_0000001101126424_li20765127115012">Click <strong id="dataartsstudio_01_1096__en-us_topic_0000001101126424_b73962247102010">Download Client</strong>. Set <strong id="dataartsstudio_01_1096__en-us_topic_0000001101126424_b1397551799102010">Client Type</strong> to <strong id="dataartsstudio_01_1096__en-us_topic_0000001101126424_b1896338820102010">Only configuration files</strong>, set <strong id="dataartsstudio_01_1096__en-us_topic_0000001101126424_b1817246555102010">Download To</strong> to <strong id="dataartsstudio_01_1096__en-us_topic_0000001101126424_b641948759102010">Server</strong> or <strong id="dataartsstudio_01_1096__en-us_topic_0000001101126424_b305056610102010">Remote host</strong>, customize the client path, and click <strong id="dataartsstudio_01_1096__en-us_topic_0000001101126424_b1573554006102010">OK</strong> to generate the client configuration file.</li><li id="dataartsstudio_01_1096__en-us_topic_0000001101126424_li17411145313554">Save the generated configuration file to a local path.</li></ol>
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<p id="dataartsstudio_01_1096__en-us_topic_0000001101126424_p151415548167">See MRS documentation for details.</p>
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</td>
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<td class="cellrowborder" valign="top" width="42.34%" headers="mcps1.3.8.3.2.4.1.3 "><p id="dataartsstudio_01_1096__en-us_topic_0000001101126424_p714645645016">For clusters of MRS 3.x:</p>
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<ol id="dataartsstudio_01_1096__en-us_topic_0000001101126424_ol88951253517"><li id="dataartsstudio_01_1096__en-us_topic_0000001101126424_li15895657511">Log in to FusionInsight Manager.</li><li id="dataartsstudio_01_1096__en-us_topic_0000001101126424_li168961757513">Choose <span class="menucascade" id="dataartsstudio_01_1096__en-us_topic_0000001101126424_menucascade7916135481214"><b><span class="uicontrol" id="dataartsstudio_01_1096__en-us_topic_0000001101126424_uicontrol1291665441212">System</span></b> > <b><span class="uicontrol" id="dataartsstudio_01_1096__en-us_topic_0000001101126424_uicontrol59164549127">Permission > User</span></b></span>, locate the row that contains the target user, and choose <span class="menucascade" id="dataartsstudio_01_1096__en-us_topic_0000001101126424_menucascade59175549129"><b><span class="uicontrol" id="dataartsstudio_01_1096__en-us_topic_0000001101126424_uicontrol129161354131219">More</span></b> > <b><span class="uicontrol" id="dataartsstudio_01_1096__en-us_topic_0000001101126424_uicontrol3916115419125">Download Authentication Credential</span></b></span> to download the authentication credential file.</li><li id="dataartsstudio_01_1096__en-us_topic_0000001101126424_li14896105175120">Obtain the downloaded TAR package, which is the keytab file of the FusionInsight cluster.</li></ol>
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<p id="dataartsstudio_01_1096__en-us_topic_0000001101126424_p1517720504500">For clusters of MRS 2.x or earlier:</p>
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<ol id="dataartsstudio_01_1096__en-us_topic_0000001101126424_ol152475412210"><li id="dataartsstudio_01_1096__en-us_topic_0000001101126424_li1630113430291">Log in to MRS Manager and click <strong id="dataartsstudio_01_1096__en-us_topic_0000001101126424_b1125318138102010">System</strong>. In the <strong id="dataartsstudio_01_1096__en-us_topic_0000001101126424_b144953269102010">Permission</strong> area, click <strong id="dataartsstudio_01_1096__en-us_topic_0000001101126424_b132275936102010">Manage User</strong>.</li><li id="dataartsstudio_01_1096__en-us_topic_0000001101126424_li224744162213">In the row of the user for whom you want to export the keytab file, choose <strong id="dataartsstudio_01_1096__en-us_topic_0000001101126424_b627478677102010">More</strong> > <strong id="dataartsstudio_01_1096__en-us_topic_0000001101126424_b1066758849102010">Download authentication credential</strong> to download the authentication file. After the file is automatically generated, save it to a specified path and keep it properly.</li></ol>
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<p id="dataartsstudio_01_1096__en-us_topic_0000001101126424_p230518488176">See MRS documentation for details.</p>
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</td>
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</tr>
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<tr id="dataartsstudio_01_1096__en-us_topic_0000001101126424_row3841938897"><td class="cellrowborder" valign="top" width="19.189999999999998%" headers="mcps1.3.8.3.2.4.1.1 "><p id="dataartsstudio_01_1096__en-us_topic_0000001101126424_p166391247101012">FusionInsight clusters:</p>
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<ul id="dataartsstudio_01_1096__en-us_topic_0000001101126424_ul17525185511102"><li id="dataartsstudio_01_1096__en-us_topic_0000001101126424_li75251755151019">FusionInsight HDFS</li><li id="dataartsstudio_01_1096__en-us_topic_0000001101126424_li85251552104">FusionInsight HBase</li><li id="dataartsstudio_01_1096__en-us_topic_0000001101126424_li1352595513105">FusionInsight Hive</li></ul>
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</td>
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<td class="cellrowborder" valign="top" width="38.47%" headers="mcps1.3.8.3.2.4.1.2 "><ol id="dataartsstudio_01_1096__en-us_topic_0000001101126424_ol82261246192712"><li id="dataartsstudio_01_1096__en-us_topic_0000001101126424_li514719488271">Log in to FusionInsight Manager.</li><li id="dataartsstudio_01_1096__en-us_topic_0000001101126424_li1462333312465">Choose <strong id="dataartsstudio_01_1096__en-us_topic_0000001101126424_b105381120136">Cluster</strong> > <em id="dataartsstudio_01_1096__en-us_topic_0000001101126424_i13539126138">Name of the desired cluster</em> > <strong id="dataartsstudio_01_1096__en-us_topic_0000001101126424_b19539142111313">Dashboard</strong> > <strong id="dataartsstudio_01_1096__en-us_topic_0000001101126424_b4539122151314">More</strong> > <strong id="dataartsstudio_01_1096__en-us_topic_0000001101126424_b4539172181318">Download Client</strong>.</li><li id="dataartsstudio_01_1096__en-us_topic_0000001101126424_li366373619389">In the dialog box that is displayed, select <strong id="dataartsstudio_01_1096__en-us_topic_0000001101126424_b2302632145115">Configuration Files Only</strong>. The platform type must be the same as that on the server. Retain the default values of other parameters and click <strong id="dataartsstudio_01_1096__en-us_topic_0000001101126424_b2302332155120">OK</strong> to download the configuration file to the local host.</li><li id="dataartsstudio_01_1096__en-us_topic_0000001101126424_li9324512152916">Obtain the downloaded TAR package, which is the FusionInsight cluster configuration file.</li></ol>
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<p id="dataartsstudio_01_1096__en-us_topic_0000001101126424_p16921322104213">See the FusionInsight documentation for details.</p>
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</td>
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<td class="cellrowborder" valign="top" width="42.34%" headers="mcps1.3.8.3.2.4.1.3 "><ol id="dataartsstudio_01_1096__en-us_topic_0000001101126424_ol163561235143112"><li id="dataartsstudio_01_1096__en-us_topic_0000001101126424_li573073816318">Log in to FusionInsight Manager.</li><li id="dataartsstudio_01_1096__en-us_topic_0000001101126424_li690212410321">Choose <span class="menucascade" id="dataartsstudio_01_1096__en-us_topic_0000001101126424_menucascade485558121318"><b><span class="uicontrol" id="dataartsstudio_01_1096__en-us_topic_0000001101126424_uicontrol38551831313">System</span></b> > <b><span class="uicontrol" id="dataartsstudio_01_1096__en-us_topic_0000001101126424_uicontrol385519871315">Permission > User</span></b></span>, locate the row that contains the target user, and choose <span class="menucascade" id="dataartsstudio_01_1096__en-us_topic_0000001101126424_menucascade148565813138"><b><span class="uicontrol" id="dataartsstudio_01_1096__en-us_topic_0000001101126424_uicontrol19855188131316">More</span></b> > <b><span class="uicontrol" id="dataartsstudio_01_1096__en-us_topic_0000001101126424_uicontrol2855178181316">Download Authentication Credential</span></b></span> to download the authentication credential file.</li><li id="dataartsstudio_01_1096__en-us_topic_0000001101126424_li119329112813">Obtain the downloaded TAR package, which is the keytab file of the FusionInsight cluster.</li></ol>
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<p id="dataartsstudio_01_1096__en-us_topic_0000001101126424_p2085312314182">See the FusionInsight documentation for details.</p>
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</td>
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</tr>
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<tr id="dataartsstudio_01_1096__en-us_topic_0000001101126424_row128413381692"><td class="cellrowborder" valign="top" width="19.189999999999998%" headers="mcps1.3.8.3.2.4.1.1 "><p id="dataartsstudio_01_1096__en-us_topic_0000001101126424_p12431507114">Apache clusters:</p>
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<ul id="dataartsstudio_01_1096__en-us_topic_0000001101126424_ul199286610117"><li id="dataartsstudio_01_1096__en-us_topic_0000001101126424_li209287613119">Apache HDFS</li><li id="dataartsstudio_01_1096__en-us_topic_0000001101126424_li8928136121112">Apache HBase</li><li id="dataartsstudio_01_1096__en-us_topic_0000001101126424_li29280613114">Apache Hive</li></ul>
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</td>
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<td class="cellrowborder" valign="top" width="38.47%" headers="mcps1.3.8.3.2.4.1.2 "><p id="dataartsstudio_01_1096__en-us_topic_0000001101126424_p18290259711">In the Apache cluster scenario, only the required configuration files and packaging rules are described. For details about how to obtain each configuration file, see the corresponding documentation.</p>
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<ul id="dataartsstudio_01_1096__en-us_topic_0000001101126424_ul1379963802915"><li id="dataartsstudio_01_1096__en-us_topic_0000001101126424_li17799138162914">HDFS needs to compress the following files into a .zip package without the directory format:<ul id="dataartsstudio_01_1096__en-us_topic_0000001101126424_ul3721141524115"><li id="dataartsstudio_01_1096__en-us_topic_0000001101126424_li16425219204119">hosts</li><li id="dataartsstudio_01_1096__en-us_topic_0000001101126424_li117211315204113">core-site.xml</li><li id="dataartsstudio_01_1096__en-us_topic_0000001101126424_li117212015114116">hdfs-site.xml</li><li id="dataartsstudio_01_1096__en-us_topic_0000001101126424_li14241147114510">yarn-site.xml</li><li id="dataartsstudio_01_1096__en-us_topic_0000001101126424_li52417719455">mapred-site.xml</li><li id="dataartsstudio_01_1096__en-us_topic_0000001101126424_li03081630406">krb5.conf (optional, for clusters in security mode)</li></ul>
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</li><li id="dataartsstudio_01_1096__en-us_topic_0000001101126424_li16354943184218">HBase needs to compress the following files into a .zip package without the directory format:<ul id="dataartsstudio_01_1096__en-us_topic_0000001101126424_ul7244166114316"><li id="dataartsstudio_01_1096__en-us_topic_0000001101126424_li4244169436">hosts</li><li id="dataartsstudio_01_1096__en-us_topic_0000001101126424_li8244116144315">core-site.xml</li><li id="dataartsstudio_01_1096__en-us_topic_0000001101126424_li341753963920">hdfs-site.xml</li><li id="dataartsstudio_01_1096__en-us_topic_0000001101126424_li158931233132715">yarn-site.xml</li><li id="dataartsstudio_01_1096__en-us_topic_0000001101126424_li3378149143916">mapred-site.xml</li><li id="dataartsstudio_01_1096__en-us_topic_0000001101126424_li8244146164317">hbase-site.xml</li><li id="dataartsstudio_01_1096__en-us_topic_0000001101126424_li235165816395">krb5.conf (optional, for clusters in security mode)</li></ul>
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</li><li id="dataartsstudio_01_1096__en-us_topic_0000001101126424_li1879963814294">Hive needs to compress the following files into a .zip package without the directory format:<ul id="dataartsstudio_01_1096__en-us_topic_0000001101126424_ul15294153222911"><li id="dataartsstudio_01_1096__en-us_topic_0000001101126424_li13540163414412">hosts</li><li id="dataartsstudio_01_1096__en-us_topic_0000001101126424_li051116712311">core-site.xml</li><li id="dataartsstudio_01_1096__en-us_topic_0000001101126424_li1963195911308">hdfs-site.xml</li><li id="dataartsstudio_01_1096__en-us_topic_0000001101126424_li752565818328">yarn-site.xml</li><li id="dataartsstudio_01_1096__en-us_topic_0000001101126424_li129423216298">mapred-site.xml</li><li id="dataartsstudio_01_1096__en-us_topic_0000001101126424_li648016424398">hive-site.xml</li><li id="dataartsstudio_01_1096__en-us_topic_0000001101126424_li1729493217290">hivemetastore-site.xml</li><li id="dataartsstudio_01_1096__en-us_topic_0000001101126424_li1855632711317">krb5.conf (optional, for clusters in security mode)</li></ul>
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</li></ul>
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</td>
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<td class="cellrowborder" valign="top" width="42.34%" headers="mcps1.3.8.3.2.4.1.3 "><p id="dataartsstudio_01_1096__en-us_topic_0000001101126424_p146291618584">In the Apache cluster scenario, only the principles for packaging authentication credential files are required. For details about how to obtain the authentication credential files, see the corresponding documentation.</p>
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<ol id="dataartsstudio_01_1096__en-us_topic_0000001101126424_ol144755414115"><li id="dataartsstudio_01_1096__en-us_topic_0000001101126424_li466165615111">Rename the user's authentication credential file as <strong id="dataartsstudio_01_1096__en-us_topic_0000001101126424_b211459645102010">user.keytab</strong>.</li><li id="dataartsstudio_01_1096__en-us_topic_0000001101126424_li34475545116">Compress the <strong id="dataartsstudio_01_1096__en-us_topic_0000001101126424_b1630977327102010">user.keytab</strong> file into a .zip package without the directory format: <strong id="dataartsstudio_01_1096__en-us_topic_0000001101126424_b1975115633102010">user.keytab.zip</strong>.</li></ol>
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<div class="note" id="dataartsstudio_01_1096__en-us_topic_0000001101126424_note456254931218"><img src="public_sys-resources/note_3.0-en-us.png"><span class="notetitle"> </span><div class="notebody"><ul id="dataartsstudio_01_1096__en-us_topic_0000001101126424_ul030721515454"><li id="dataartsstudio_01_1096__en-us_topic_0000001101126424_li14759316174516">A cluster configuration file contains the configuration parameters of the cluster. If the cluster configuration parameters are modified, you need to obtain the configuration file again.</li><li id="dataartsstudio_01_1096__en-us_topic_0000001101126424_li15307215104510">The keytab file is the authentication credential file. Before obtaining the keytab file, you need to change the password of this user at least once in the cluster. Otherwise, the downloaded keytab file may be unavailable. After a user password is changed, the exported keytab file becomes invalid, and you need to export a keytab file again.</li><li id="dataartsstudio_01_1096__en-us_topic_0000001101126424_li366617325512">The keytab file is used only in a cluster in security mode. In other cases, you do not need to prepare the keytab file.</li></ul>
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<div class="section" id="dataartsstudio_01_1096__en-us_topic_0000001101126424_en-us_topic_0108275312_s52a7f1d85984447994754553e7226366"><h4 class="sectiontitle">Procedure</h4><ol id="dataartsstudio_01_1096__en-us_topic_0000001101126424_ol98101421952"><li id="dataartsstudio_01_1096__en-us_topic_0000001101126424_li19810152456">On the CDM console, choose <strong id="dataartsstudio_01_1096__en-us_topic_0000001101126424_b138023116321">Cluster Management</strong> in the left navigation pane. Locate the row that contains a cluster and choose <strong id="dataartsstudio_01_1096__en-us_topic_0000001101126424_b1050684860102010">Job Management</strong> > <strong id="dataartsstudio_01_1096__en-us_topic_0000001101126424_b377897422102010">Links</strong> > <strong id="dataartsstudio_01_1096__en-us_topic_0000001101126424_b585875913102010">Cluster Configurations</strong>.</li><li id="dataartsstudio_01_1096__en-us_topic_0000001101126424_li88103218513">On the <strong id="dataartsstudio_01_1096__en-us_topic_0000001101126424_b1985635775102010">Cluster Configurations</strong> page, click <strong id="dataartsstudio_01_1096__en-us_topic_0000001101126424_b693630125102010">Create Cluster Configuration</strong> and set the parameters as prompt.<div class="fignone" id="dataartsstudio_01_1096__en-us_topic_0000001101126424_fig15378122719323"><span class="figcap"><b>Figure 2 </b>Creating cluster configurations</span><br><span><img id="dataartsstudio_01_1096__en-us_topic_0000001101126424_image1533014165518" src="en-us_image_0000002234237800.png" title="Click to enlarge" class="imgResize"></span></div>
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<ul id="dataartsstudio_01_1096__en-us_topic_0000001101126424_ul1964951278"><li id="dataartsstudio_01_1096__en-us_topic_0000001101126424_li5964205177"><strong id="dataartsstudio_01_1096__en-us_topic_0000001101126424_b1519993709102011">Configuration Name</strong>: Enter a cluster configuration name that is easy to remember and distinguish based on the type of the data source to be connected.</li><li id="dataartsstudio_01_1096__en-us_topic_0000001101126424_li8964151372"><strong id="dataartsstudio_01_1096__en-us_topic_0000001101126424_b15153815422">Configuration File</strong>: Click <strong id="dataartsstudio_01_1096__en-us_topic_0000001101126424_b98318277437">Select File</strong> to select a local cluster configuration file, and then click <span class="menucascade" id="dataartsstudio_01_1096__en-us_topic_0000001101126424_menucascade815441104214"><b><span class="uicontrol" id="dataartsstudio_01_1096__en-us_topic_0000001101126424_uicontrol11543113420">Upload</span></b></span> on the right to upload the file.</li><li id="dataartsstudio_01_1096__en-us_topic_0000001101126424_li119642051579"><strong id="dataartsstudio_01_1096__en-us_topic_0000001101126424_b175051215102011">Principal</strong>: This parameter is required only for clusters in security mode. Principal is the username in Kerberos security mode and must be the same as that in the keytab file.</li><li id="dataartsstudio_01_1096__en-us_topic_0000001101126424_li14964165475"><strong id="dataartsstudio_01_1096__en-us_topic_0000001101126424_b1993088289102011">Keytab File</strong>: Upload the keytab file only for clusters in security mode. Click <strong id="dataartsstudio_01_1096__en-us_topic_0000001101126424_b152331259184317">Select File</strong> to select a local keytab file, and then click <strong id="dataartsstudio_01_1096__en-us_topic_0000001101126424_b859005205102011">Upload</strong> on the right to upload the file.</li><li id="dataartsstudio_01_1096__en-us_topic_0000001101126424_li6964951172"><strong id="dataartsstudio_01_1096__en-us_topic_0000001101126424_b734357720102011">Description</strong>: Add a description to identify and distinguish the cluster configuration.</li></ul>
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</li><li id="dataartsstudio_01_1096__en-us_topic_0000001101126424_li442844123613">Click <strong id="dataartsstudio_01_1096__en-us_topic_0000001101126424_b1431654218102011">OK</strong>. When creating a Hadoop link, set <strong id="dataartsstudio_01_1096__en-us_topic_0000001101126424_b26633757102011">Authentication Method</strong> as required, <strong id="dataartsstudio_01_1096__en-us_topic_0000001101126424_b156237886102011">Use Cluster Config</strong> to <strong id="dataartsstudio_01_1096__en-us_topic_0000001101126424_b111872835102011">Yes</strong>, and then select the corresponding cluster configuration name to quickly create a Hadoop link.<div class="fignone" id="dataartsstudio_01_1096__en-us_topic_0000001101126424_fig1444213163318"><span class="figcap"><b>Figure 3 </b><strong id="dataartsstudio_01_1096__en-us_topic_0000001101126424_b148935520102011">Use Cluster Config</strong></span><br><span><img id="dataartsstudio_01_1096__en-us_topic_0000001101126424_image5445121311333" src="en-us_image_0000002269197245.png" title="Click to enlarge" class="imgResize"></span></div>
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<div class="parentlink"><strong>Parent topic:</strong> <a href="dataartsstudio_01_0023.html">Creating a Link in a CDM Cluster</a></div>
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