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chenxiaoxiong f9e2808b7c DataArts UMN 20250810 version 
Reviewed-by: Pruthi, Vineet <vineet.pruthi@t-systems.com>
Co-authored-by: chenxiaoxiong <chenxiaoxiong@huawei.com>
Co-committed-by: chenxiaoxiong <chenxiaoxiong@huawei.com>
2025-09-02 10:44:13 +00:00

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<a name="dataartsstudio_01_0040"></a><a name="dataartsstudio_01_0040"></a>
<h1 class="topictitle1">HDFS Link Parameters</h1>
<div id="body8662426"><div class="p" id="dataartsstudio_01_0040__en-us_topic_0108275286_p396911259314">CDM supports the following HDFS data sources:<ul id="dataartsstudio_01_0040__en-us_topic_0108275286_ul1998193319335"><li id="dataartsstudio_01_0040__en-us_topic_0108275286_li189813313319"><a href="#dataartsstudio_01_0040__en-us_topic_0108275286_section127371747103314">MRS HDFS</a></li><li id="dataartsstudio_01_0040__en-us_topic_0108275286_li46813410343"><a href="#dataartsstudio_01_0040__en-us_topic_0108275286_section1851831133416">FusionInsight HDFS</a></li><li id="dataartsstudio_01_0040__en-us_topic_0108275286_li88038432344"><a href="#dataartsstudio_01_0040__en-us_topic_0108275286_section690499173512">Apache HDFS</a><div class="note" id="dataartsstudio_01_0040__en-us_topic_0108275286_note8867140110"><img src="public_sys-resources/note_3.0-en-us.png"><span class="notetitle"> </span><div class="notebody"><p id="dataartsstudio_01_0040__en-us_topic_0108275286_en-us_topic_0108275292_p167832113185">Do not change the password or user when the job is running. If you do so, the password will not take effect immediately and the job will fail.</p>
</div></div>
</li></ul>
</div>
<div class="section" id="dataartsstudio_01_0040__en-us_topic_0108275286_section127371747103314"><a name="dataartsstudio_01_0040__en-us_topic_0108275286_section127371747103314"></a><a name="en-us_topic_0108275286_section127371747103314"></a><h4 class="sectiontitle">MRS HDFS</h4><p id="dataartsstudio_01_0040__en-us_topic_0108275286_p124412208341">When connecting CDM to HDFS of MRS, configure the parameters as described in <a href="#dataartsstudio_01_0040__en-us_topic_0108275286_table6441152003419">Table 1</a>.</p>
<div class="note" id="dataartsstudio_01_0040__en-us_topic_0108275286_note5285102815136"><img src="public_sys-resources/note_3.0-en-us.png"><span class="notetitle"> </span><div class="notebody"><ul id="dataartsstudio_01_0040__en-us_topic_0108275286_en-us_topic_0108604188_ul268415325415"><li id="dataartsstudio_01_0040__en-us_topic_0108275286_en-us_topic_0108604188_li3509922112118"><p id="dataartsstudio_01_0040__en-us_topic_0108275286_en-us_topic_0108604188_en-us_topic_0000001624214396_p1463312815216"><a name="dataartsstudio_01_0040__en-us_topic_0108275286_en-us_topic_0108604188_li3509922112118"></a><a name="en-us_topic_0108275286_en-us_topic_0108604188_li3509922112118"></a>MRS clusters whose Kerberos encryption type is <strong id="dataartsstudio_01_0040__en-us_topic_0108275286_en-us_topic_0108604188_en-us_topic_0000001624214396_b742132751912">aes256-sha2,aes128-sha2</strong> are not supported, and only MRS clusters whose Kerberos encryption type is <strong id="dataartsstudio_01_0040__en-us_topic_0108275286_en-us_topic_0108604188_en-us_topic_0000001624214396_b1977394971913">aes256-sha1,aes128-sha1</strong> are supported.</p>
</li><li id="dataartsstudio_01_0040__en-us_topic_0108275286_en-us_topic_0108604188_li116841636546">Before creating an MRS link, you need to add an authenticated Kerberos user on MRS and log in to the MRS management page to change the initial password. Then use the new user to create an MRS link.</li><li id="dataartsstudio_01_0040__en-us_topic_0108275286_en-us_topic_0108604188_li36846319542">To connect to an MRS 2.<em id="dataartsstudio_01_0040__en-us_topic_0108275286_en-us_topic_0108604188_i1155152111254">x</em> cluster, create a CDM cluster of version 2.<em id="dataartsstudio_01_0040__en-us_topic_0108275286_en-us_topic_0108604188_i115512112257">x</em> first. CDM 1.8.<em id="dataartsstudio_01_0040__en-us_topic_0108275286_en-us_topic_0108604188_i0707423162514">x</em> clusters cannot connect to MRS 2.<em id="dataartsstudio_01_0040__en-us_topic_0108275286_en-us_topic_0108604188_i0707423142520">x</em> clusters.</li><li id="dataartsstudio_01_0040__en-us_topic_0108275286_en-us_topic_0108604188_li132471615165418"><div class="p" id="dataartsstudio_01_0040__en-us_topic_0108275286_en-us_topic_0108604188_p134241819125419"><a name="dataartsstudio_01_0040__en-us_topic_0108275286_en-us_topic_0108604188_li132471615165418"></a><a name="en-us_topic_0108275286_en-us_topic_0108604188_li132471615165418"></a>If the connection fails after you select a cluster, check whether the MRS cluster can communicate with the CDM instance which functions as the agent. They can communicate with each other in the following scenarios:<ul id="dataartsstudio_01_0040__en-us_topic_0108275286_en-us_topic_0108604188_en-us_topic_0000001503606428_ul1715617232281"><li id="dataartsstudio_01_0040__en-us_topic_0108275286_en-us_topic_0108604188_en-us_topic_0000001503606428_li17205293217">If the CDM cluster in the <span id="dataartsstudio_01_0040__en-us_topic_0108275286_en-us_topic_0108604188_en-us_topic_0000001503606428_text15319922125112">DataArts Studio</span> instance and the MRS cluster are in different regions, a public network or a dedicated connection is required. If the Internet is used for communication, ensure that an EIP has been bound to the CDM cluster, and the MRS cluster can access the Internet and the port has been enabled in the firewall rule.</li><li id="dataartsstudio_01_0040__en-us_topic_0108275286_en-us_topic_0108604188_en-us_topic_0000001503606428_li13205893215">If the CDM cluster in the <span id="dataartsstudio_01_0040__en-us_topic_0108275286_en-us_topic_0108604188_en-us_topic_0000001503606428_text151663810818">DataArts Studio</span> instance and the MRS cluster are in the same region, VPC, subnet, and security group, they can communicate with each other by default. If they are in the same VPC but in different subnets or security groups, you must configure routing rules and security group rules. For details about how to configure routing rules, see "Adding Routes to a Route Table" in <em id="dataartsstudio_01_0040__en-us_topic_0108275286_en-us_topic_0108604188_en-us_topic_0000001503606428_i1317838485">Virtual Private Cloud (VPC) x.x.x User Guide</em> in <em id="dataartsstudio_01_0040__en-us_topic_0108275286_en-us_topic_0108604188_en-us_topic_0000001503606428_i13171138184">Virtual Private Cloud (VPC) x.x.x Usage Guide</em>. For details about how to configure security group rules, see "Security Group" &gt; "Adding a Security Group Rule" in Virtual Private Cloud (VPC) x.x.x User Guide in Virtual Private Cloud (VPC) x.x.x Usage Guide.</li><li id="dataartsstudio_01_0040__en-us_topic_0108275286_en-us_topic_0108604188_en-us_topic_0000001503606428_li20156162311283">The MRS cluster and the <span id="dataartsstudio_01_0040__en-us_topic_0108275286_en-us_topic_0108604188_en-us_topic_0000001503606428_text4156132310284">DataArts Studio</span> workspace belong to the same enterprise project. If they do not, you can modify the enterprise project of the workspace.</li></ul>
<div class="note" id="dataartsstudio_01_0040__en-us_topic_0108275286_en-us_topic_0108604188_en-us_topic_0000001503606428_note030793314500"><img src="public_sys-resources/note_3.0-en-us.png"><span class="notetitle"> </span><div class="notebody"><p id="dataartsstudio_01_0040__en-us_topic_0108275286_en-us_topic_0108604188_en-us_topic_0000001503606428_p130813395015">If an agent is connected to multiple MRS clusters and one of the MRS clusters is deleted or abnormal, connections to the other MRS clusters will be affected. Therefore, you are advised to connect an agent to only one MRS cluster.</p>
</div></div>
</div>
</li></ul>
</div></div>
<div class="tablenoborder"><a name="dataartsstudio_01_0040__en-us_topic_0108275286_table6441152003419"></a><a name="en-us_topic_0108275286_table6441152003419"></a><table cellpadding="4" cellspacing="0" summary="" id="dataartsstudio_01_0040__en-us_topic_0108275286_table6441152003419" frame="border" border="1" rules="all"><caption><b>Table 1 </b>MRS HDFS link parameters</caption><thead align="left"><tr id="dataartsstudio_01_0040__en-us_topic_0108275286_row15441220123417"><th align="left" class="cellrowborder" valign="top" width="20.51%" id="mcps1.3.2.4.2.4.1.1"><p id="dataartsstudio_01_0040__en-us_topic_0108275286_p18441202093413">Parameter</p>
</th>
<th align="left" class="cellrowborder" valign="top" width="57.720000000000006%" id="mcps1.3.2.4.2.4.1.2"><p id="dataartsstudio_01_0040__en-us_topic_0108275286_p1544152053412">Description</p>
</th>
<th align="left" class="cellrowborder" valign="top" width="21.77%" id="mcps1.3.2.4.2.4.1.3"><p id="dataartsstudio_01_0040__en-us_topic_0108275286_p4441112010341">Example Value</p>
</th>
</tr>
</thead>
<tbody><tr id="dataartsstudio_01_0040__en-us_topic_0108275286_row11441182012346"><td class="cellrowborder" valign="top" width="20.51%" headers="mcps1.3.2.4.2.4.1.1 "><p id="dataartsstudio_01_0040__en-us_topic_0108275286_p4456620113417">Name</p>
</td>
<td class="cellrowborder" valign="top" width="57.720000000000006%" headers="mcps1.3.2.4.2.4.1.2 "><p id="dataartsstudio_01_0040__en-us_topic_0108275286_p9913105219195">Link name, which should be defined based on the data source type, so it is easier to remember what the link is for</p>
</td>
<td class="cellrowborder" valign="top" width="21.77%" headers="mcps1.3.2.4.2.4.1.3 "><p id="dataartsstudio_01_0040__en-us_topic_0108275286_p13456112023418">mrs_hdfs_link</p>
</td>
</tr>
<tr id="dataartsstudio_01_0040__en-us_topic_0108275286_row2456122053415"><td class="cellrowborder" valign="top" width="20.51%" headers="mcps1.3.2.4.2.4.1.1 "><p id="dataartsstudio_01_0040__en-us_topic_0108275286_p13456172019344">Manager IP</p>
</td>
<td class="cellrowborder" valign="top" width="57.720000000000006%" headers="mcps1.3.2.4.2.4.1.2 "><div class="p" id="dataartsstudio_01_0040__en-us_topic_0108275286_p1345602010341">Floating IP address of MRS Manager. Click <span class="uicontrol" id="dataartsstudio_01_0040__en-us_topic_0108275286_uicontrol578864992012"><b>Select</b></span> next to the <strong id="dataartsstudio_01_0040__en-us_topic_0108275286_b2078834920203">Manager IP</strong> text box to select an MRS cluster. CDM automatically fills in the authentication information.<div class="note" id="dataartsstudio_01_0040__en-us_topic_0108275286_note1340014473413"><span class="notetitle"> NOTE: </span><div class="notebody"><p id="dataartsstudio_01_0040__en-us_topic_0108275286_en-us_topic_0182566327_p116249795810"><span id="dataartsstudio_01_0040__en-us_topic_0108275286_en-us_topic_0182566327_text7355181825814">DataArts Studio</span> does not support MRS clusters whose Kerberos encryption type is <strong id="dataartsstudio_01_0040__en-us_topic_0108275286_en-us_topic_0182566327_b143479402717">aes256-sha2,aes128-sha2</strong>, and only supports MRS clusters whose Kerberos encryption type is <strong id="dataartsstudio_01_0040__en-us_topic_0108275286_en-us_topic_0182566327_b19532103219813">aes256-sha1,aes128-sha1</strong>.</p>
</div></div>
</div>
</td>
<td class="cellrowborder" valign="top" width="21.77%" headers="mcps1.3.2.4.2.4.1.3 "><p id="dataartsstudio_01_0040__en-us_topic_0108275286_p13456420143418">127.0.0.1</p>
</td>
</tr>
<tr id="dataartsstudio_01_0040__en-us_topic_0108275286_row16456152011347"><td class="cellrowborder" valign="top" width="20.51%" headers="mcps1.3.2.4.2.4.1.1 "><p id="dataartsstudio_01_0040__en-us_topic_0108275286_p94561620113420">Username</p>
</td>
<td class="cellrowborder" valign="top" width="57.720000000000006%" headers="mcps1.3.2.4.2.4.1.2 "><p id="dataartsstudio_01_0040__en-us_topic_0108275286_p64738206349">If <strong id="dataartsstudio_01_0040__en-us_topic_0108275286_b7848458134816">Authentication Method</strong> is set to <strong id="dataartsstudio_01_0040__en-us_topic_0108275286_b12431727490">KERBEROS</strong>, you must provide the username and password used for logging in to MRS Manager. If you need to create a snapshot when exporting a directory from HDFS, the user configured here must have the administrator permission on HDFS.</p>
<div class="p" id="dataartsstudio_01_0040__en-us_topic_0108275286_p194519141759">To create a data connection for an MRS security cluster, do not use user <strong id="dataartsstudio_01_0040__en-us_topic_0108275286_en-us_topic_0108618545_b554524219105248">admin</strong>. The <strong id="dataartsstudio_01_0040__en-us_topic_0108275286_en-us_topic_0108618545_b123106598105248">admin</strong> user is the default management page user and cannot be used as the authentication user of the security cluster. You can create an MRS user and set <span class="parmname" id="dataartsstudio_01_0040__en-us_topic_0108275286_en-us_topic_0108618545_en-us_topic_0187412481_parmname3468191262313"><b>Username</b></span> and <span class="parmname" id="dataartsstudio_01_0040__en-us_topic_0108275286_en-us_topic_0108618545_en-us_topic_0187412481_parmname64683124231"><b>Password</b></span> to the username and password of the created MRS user when creating an MRS data connection.<div class="note" id="dataartsstudio_01_0040__en-us_topic_0108275286_en-us_topic_0108618545_note15451659151217"><span class="notetitle"> NOTE: </span><div class="notebody"><ul id="dataartsstudio_01_0040__en-us_topic_0108275286_en-us_topic_0108618545_ul17715141011134"><li id="dataartsstudio_01_0040__en-us_topic_0108275286_en-us_topic_0108618545_li8715121031318">If the CDM cluster version is 2.9.0 or later and the MRS cluster version is 3.1.0 or later, the created user must have the permissions of the <strong id="dataartsstudio_01_0040__en-us_topic_0108275286_en-us_topic_0108618545_b8979935645">Manager_viewer</strong> role to create links on CDM. To perform operations on databases, tables, and columns of an MRS component, you also need to add the database, table, and column permissions of the MRS component to the user by following the instructions in the MRS documentation.</li><li id="dataartsstudio_01_0040__en-us_topic_0108275286_en-us_topic_0108618545_li5415103511136">If the CDM cluster version is earlier than 2.9.0 or the MRS cluster version is earlier than 3.1.0, the created user must have the permissions of <strong id="dataartsstudio_01_0040__en-us_topic_0108275286_en-us_topic_0108618545_b1088016562338">Manager_administrator</strong> or <strong id="dataartsstudio_01_0040__en-us_topic_0108275286_en-us_topic_0108618545_b1288695693319">System_administrator</strong> to create links on CDM.</li><li id="dataartsstudio_01_0040__en-us_topic_0108275286_en-us_topic_0108618545_li1733135017192">A user with only the <strong id="dataartsstudio_01_0040__en-us_topic_0108275286_en-us_topic_0108618545_b6765133911341">Manager_tenant</strong> or <strong id="dataartsstudio_01_0040__en-us_topic_0108275286_en-us_topic_0108618545_b1377216393342">Manager_auditor</strong> permission cannot create connections.</li></ul>
</div></div>
</div>
</td>
<td class="cellrowborder" valign="top" width="21.77%" headers="mcps1.3.2.4.2.4.1.3 "><p id="dataartsstudio_01_0040__en-us_topic_0108275286_p3473020113416">cdm</p>
</td>
</tr>
<tr id="dataartsstudio_01_0040__en-us_topic_0108275286_row20456320123419"><td class="cellrowborder" valign="top" width="20.51%" headers="mcps1.3.2.4.2.4.1.1 "><p id="dataartsstudio_01_0040__en-us_topic_0108275286_p647322020346">Password</p>
</td>
<td class="cellrowborder" valign="top" width="57.720000000000006%" headers="mcps1.3.2.4.2.4.1.2 "><p id="dataartsstudio_01_0040__en-us_topic_0108275286_p174737206340">Password used for logging in to MRS Manager</p>
</td>
<td class="cellrowborder" valign="top" width="21.77%" headers="mcps1.3.2.4.2.4.1.3 "><p id="dataartsstudio_01_0040__en-us_topic_0108275286_p204731920153414">-</p>
</td>
</tr>
<tr id="dataartsstudio_01_0040__en-us_topic_0108275286_row7856101034511"><td class="cellrowborder" valign="top" width="20.51%" headers="mcps1.3.2.4.2.4.1.1 "><p id="dataartsstudio_01_0040__en-us_topic_0108275286_p7622317114514">Authentication Method</p>
</td>
<td class="cellrowborder" valign="top" width="57.720000000000006%" headers="mcps1.3.2.4.2.4.1.2 "><div class="p" id="dataartsstudio_01_0040__en-us_topic_0108275286_p13355246182213">Authentication method used for accessing MRS<ul id="dataartsstudio_01_0040__en-us_topic_0108275286_en-us_topic_0108618545_ul12623191718453"><li id="dataartsstudio_01_0040__en-us_topic_0108275286_en-us_topic_0108618545_li1362321718457"><strong id="dataartsstudio_01_0040__en-us_topic_0108275286_en-us_topic_0108618545_b84235270611123">SIMPLE</strong>: Select this for non-security mode.</li><li id="dataartsstudio_01_0040__en-us_topic_0108275286_en-us_topic_0108618545_li762371724519"><strong id="dataartsstudio_01_0040__en-us_topic_0108275286_en-us_topic_0108618545_b842352706183921">KERBEROS</strong>: Select this for security mode.</li></ul>
</div>
</td>
<td class="cellrowborder" valign="top" width="21.77%" headers="mcps1.3.2.4.2.4.1.3 "><p id="dataartsstudio_01_0040__en-us_topic_0108275286_p662311175459">SIMPLE</p>
</td>
</tr>
<tr id="dataartsstudio_01_0040__en-us_topic_0108275286_row10211145833913"><td class="cellrowborder" valign="top" width="20.51%" headers="mcps1.3.2.4.2.4.1.1 "><p id="dataartsstudio_01_0040__en-us_topic_0108275286_p721185823920">Run Mode</p>
</td>
<td class="cellrowborder" valign="top" width="57.720000000000006%" headers="mcps1.3.2.4.2.4.1.2 "><div class="p" id="dataartsstudio_01_0040__en-us_topic_0108275286_p206752056145718">Run mode of the HDFS link. The options are as follows:<ul id="dataartsstudio_01_0040__en-us_topic_0108275286_ul1747017597574"><li id="dataartsstudio_01_0040__en-us_topic_0108275286_li6848185317587"><strong id="dataartsstudio_01_0040__en-us_topic_0108275286_b03725315400">EMBEDDED</strong>: The link instance runs with CDM. This mode delivers better performance.</li><li id="dataartsstudio_01_0040__en-us_topic_0108275286_li1261464125915"><strong id="dataartsstudio_01_0040__en-us_topic_0108275286_b1859873319585">STANDALONE</strong>: The link instance runs in an independent process. If you want to connect CDM to multiple Hadoop data sources (MRS, Hadoop, or CloudTable), and both <strong id="dataartsstudio_01_0040__en-us_topic_0108275286_b14923332895">KERBEROS</strong> and <strong id="dataartsstudio_01_0040__en-us_topic_0108275286_b119234321899">SIMPLE</strong> authentication modes are available, you must select <strong id="dataartsstudio_01_0040__en-us_topic_0108275286_b119235321591">STANDALONE</strong> for this parameter.<p id="dataartsstudio_01_0040__en-us_topic_0108275286_p8792217159">Note: The STANDALONE mode is used to solve the version conflict problem. If the connector versions of the source and destination ends of the same link are different, a JAR file conflict occurs. In this case, you need to place the source or destination end in the STANDALONE process to prevent the migration failure caused by the conflict.</p>
</li></ul>
</div>
<p id="dataartsstudio_01_0040__en-us_topic_0108275286_p192253613346">If a CDM cluster connects to two or more clusters with Kerberos authentication enabled and the same realm, only one cluster can be connected in <strong id="dataartsstudio_01_0040__en-us_topic_0108275286_b114811532911">EMBEDDED</strong> mode, and the other clusters must be connected in <strong id="dataartsstudio_01_0040__en-us_topic_0108275286_b13148353791">STANDALONE</strong> mode.</p>
</td>
<td class="cellrowborder" valign="top" width="21.77%" headers="mcps1.3.2.4.2.4.1.3 "><p id="dataartsstudio_01_0040__en-us_topic_0108275286_p1021155811394">STANDALONE</p>
</td>
</tr>
<tr id="dataartsstudio_01_0040__en-us_topic_0108275286_row1946581311414"><td class="cellrowborder" valign="top" width="20.51%" headers="mcps1.3.2.4.2.4.1.1 "><p id="dataartsstudio_01_0040__en-us_topic_0108275286_p1999031319386">Agent</p>
</td>
<td class="cellrowborder" valign="top" width="57.720000000000006%" headers="mcps1.3.2.4.2.4.1.2 "><p id="dataartsstudio_01_0040__en-us_topic_0108275286_p1651731719256"><span id="dataartsstudio_01_0040__en-us_topic_0108275286_text79507435388">The agent function will be unavailable soon and does not need to be configured.</span></p>
</td>
<td class="cellrowborder" valign="top" width="21.77%" headers="mcps1.3.2.4.2.4.1.3 "><p id="dataartsstudio_01_0040__en-us_topic_0108275286_p1499013137381">-</p>
</td>
</tr>
<tr id="dataartsstudio_01_0040__en-us_topic_0108275286_row153901628202511"><td class="cellrowborder" valign="top" width="20.51%" headers="mcps1.3.2.4.2.4.1.1 "><p id="dataartsstudio_01_0040__en-us_topic_0108275286_p1205102763015">Use Cluster Config</p>
</td>
<td class="cellrowborder" valign="top" width="57.720000000000006%" headers="mcps1.3.2.4.2.4.1.2 "><p id="dataartsstudio_01_0040__en-us_topic_0108275286_p3791105013307">You can use the cluster configuration to simplify parameter settings for the Hadoop connection.</p>
</td>
<td class="cellrowborder" valign="top" width="21.77%" headers="mcps1.3.2.4.2.4.1.3 "><p id="dataartsstudio_01_0040__en-us_topic_0108275286_p147705512305">No</p>
</td>
</tr>
<tr id="dataartsstudio_01_0040__en-us_topic_0108275286_row19389228162513"><td class="cellrowborder" valign="top" width="20.51%" headers="mcps1.3.2.4.2.4.1.1 "><p id="dataartsstudio_01_0040__en-us_topic_0108275286_p1713125033015">Cluster Config Name</p>
</td>
<td class="cellrowborder" valign="top" width="57.720000000000006%" headers="mcps1.3.2.4.2.4.1.2 "><p id="dataartsstudio_01_0040__en-us_topic_0108275286_p1171175111302">This parameter is valid only when <strong id="dataartsstudio_01_0040__en-us_topic_0108275286_en-us_topic_0108618545_b762945800105248">Use Cluster Config</strong> is set to <strong id="dataartsstudio_01_0040__en-us_topic_0108275286_en-us_topic_0108618545_b1557791163105248">Yes</strong>. Select a cluster configuration that has been created.</p>
<p id="dataartsstudio_01_0040__en-us_topic_0108275286_p192211597367">For details about how to configure a cluster, see "DataArts Migration" &gt; "Managing Links" &gt; "Managing Cluster Configurations" in <em id="dataartsstudio_01_0040__en-us_topic_0108275286_en-us_topic_0108618545_i19630121210434">User Guide</em>.</p>
</td>
<td class="cellrowborder" valign="top" width="21.77%" headers="mcps1.3.2.4.2.4.1.3 "><p id="dataartsstudio_01_0040__en-us_topic_0108275286_p0147252193019">hdfs_01</p>
</td>
</tr>
</tbody>
</table>
</div>
<p id="dataartsstudio_01_0040__en-us_topic_0108275286_p8119146192913">Click <strong id="dataartsstudio_01_0040__en-us_topic_0108275286_en-us_topic_0108618545_b141941925616">Show Advanced Attributes</strong>, and then click <strong id="dataartsstudio_01_0040__en-us_topic_0108275286_en-us_topic_0108618545_b7127311869">Add</strong> to add configuration attributes of other clients. The name and value of each attribute must be configured. You can click <strong id="dataartsstudio_01_0040__en-us_topic_0108275286_en-us_topic_0108618545_b83443253616">Delete</strong> to delete no longer used attributes.</p>
</div>
<div class="section" id="dataartsstudio_01_0040__en-us_topic_0108275286_section1851831133416"><a name="dataartsstudio_01_0040__en-us_topic_0108275286_section1851831133416"></a><a name="en-us_topic_0108275286_section1851831133416"></a><h4 class="sectiontitle">FusionInsight HDFS</h4><p id="dataartsstudio_01_0040__en-us_topic_0108275286_p59722913113957">When connecting CDM to HDFS of FusionInsight HD, configure the parameters as described in <a href="#dataartsstudio_01_0040__en-us_topic_0108275286_table34037531171418">Table 2</a>.</p>
<div class="tablenoborder"><a name="dataartsstudio_01_0040__en-us_topic_0108275286_table34037531171418"></a><a name="en-us_topic_0108275286_table34037531171418"></a><table cellpadding="4" cellspacing="0" summary="" id="dataartsstudio_01_0040__en-us_topic_0108275286_table34037531171418" frame="border" border="1" rules="all"><caption><b>Table 2 </b>FusionInsight HDFS link parameters</caption><thead align="left"><tr id="dataartsstudio_01_0040__en-us_topic_0108275286_row56630393171418"><th align="left" class="cellrowborder" valign="top" width="20.74%" id="mcps1.3.3.3.2.4.1.1"><p id="dataartsstudio_01_0040__en-us_topic_0108275286_p23659124171418">Parameter</p>
</th>
<th align="left" class="cellrowborder" valign="top" width="57.97%" id="mcps1.3.3.3.2.4.1.2"><p id="dataartsstudio_01_0040__en-us_topic_0108275286_p37340867171418">Description</p>
</th>
<th align="left" class="cellrowborder" valign="top" width="21.29%" id="mcps1.3.3.3.2.4.1.3"><p id="dataartsstudio_01_0040__en-us_topic_0108275286_p4711375171418">Example Value</p>
</th>
</tr>
</thead>
<tbody><tr id="dataartsstudio_01_0040__en-us_topic_0108275286_row46077055171418"><td class="cellrowborder" valign="top" width="20.74%" headers="mcps1.3.3.3.2.4.1.1 "><p id="dataartsstudio_01_0040__en-us_topic_0108275286_p41253947171418">Name</p>
</td>
<td class="cellrowborder" valign="top" width="57.97%" headers="mcps1.3.3.3.2.4.1.2 "><p id="dataartsstudio_01_0040__en-us_topic_0108275286_p8565858151917">Link name, which should be defined based on the data source type, so it is easier to remember what the link is for</p>
</td>
<td class="cellrowborder" valign="top" width="21.29%" headers="mcps1.3.3.3.2.4.1.3 "><p id="dataartsstudio_01_0040__en-us_topic_0108275286_p2330994016248">FI_hdfs_link</p>
</td>
</tr>
<tr id="dataartsstudio_01_0040__en-us_topic_0108275286_row12661410173510"><td class="cellrowborder" valign="top" width="20.74%" headers="mcps1.3.3.3.2.4.1.1 "><p id="dataartsstudio_01_0040__en-us_topic_0108275286_p13662121012355">Manager IP</p>
</td>
<td class="cellrowborder" valign="top" width="57.97%" headers="mcps1.3.3.3.2.4.1.2 "><p id="dataartsstudio_01_0040__en-us_topic_0108275286_p06633101352">IP address of FusionInsight Manager</p>
</td>
<td class="cellrowborder" valign="top" width="21.29%" headers="mcps1.3.3.3.2.4.1.3 "><p id="dataartsstudio_01_0040__en-us_topic_0108275286_p10663131016353">127.0.0.1</p>
</td>
</tr>
<tr id="dataartsstudio_01_0040__en-us_topic_0108275286_row291371115352"><td class="cellrowborder" valign="top" width="20.74%" headers="mcps1.3.3.3.2.4.1.1 "><p id="dataartsstudio_01_0040__en-us_topic_0108275286_p9913311193516">Manager Port</p>
</td>
<td class="cellrowborder" valign="top" width="57.97%" headers="mcps1.3.3.3.2.4.1.2 "><p id="dataartsstudio_01_0040__en-us_topic_0108275286_p3913811183515">Port number of FusionInsight Manager</p>
</td>
<td class="cellrowborder" valign="top" width="21.29%" headers="mcps1.3.3.3.2.4.1.3 "><p id="dataartsstudio_01_0040__en-us_topic_0108275286_p491310118354">28443</p>
</td>
</tr>
<tr id="dataartsstudio_01_0040__en-us_topic_0108275286_row7625141843512"><td class="cellrowborder" valign="top" width="20.74%" headers="mcps1.3.3.3.2.4.1.1 "><p id="dataartsstudio_01_0040__en-us_topic_0108275286_p0625201813356">CAS Server Port</p>
</td>
<td class="cellrowborder" valign="top" width="57.97%" headers="mcps1.3.3.3.2.4.1.2 "><p id="dataartsstudio_01_0040__en-us_topic_0108275286_p186251918103513">Port number of the CAS server used to connect to FusionInsight</p>
</td>
<td class="cellrowborder" valign="top" width="21.29%" headers="mcps1.3.3.3.2.4.1.3 "><p id="dataartsstudio_01_0040__en-us_topic_0108275286_p4625131883518">20009</p>
</td>
</tr>
<tr id="dataartsstudio_01_0040__en-us_topic_0108275286_row10481934205911"><td class="cellrowborder" valign="top" width="20.74%" headers="mcps1.3.3.3.2.4.1.1 "><p id="dataartsstudio_01_0040__en-us_topic_0108275286_p1648133485913">Username</p>
</td>
<td class="cellrowborder" valign="top" width="57.97%" headers="mcps1.3.3.3.2.4.1.2 "><p id="dataartsstudio_01_0040__en-us_topic_0108275286_p15481183410599">Username used for logging in to FusionInsight Manager.</p>
<p id="dataartsstudio_01_0040__en-us_topic_0108275286_p15879213349">If you need to create a snapshot when exporting a directory from HDFS, the user configured here must have the administrator permission on HDFS.</p>
</td>
<td class="cellrowborder" valign="top" width="21.29%" headers="mcps1.3.3.3.2.4.1.3 "><p id="dataartsstudio_01_0040__en-us_topic_0108275286_p548163420594">cdm</p>
</td>
</tr>
<tr id="dataartsstudio_01_0040__en-us_topic_0108275286_row4905133519593"><td class="cellrowborder" valign="top" width="20.74%" headers="mcps1.3.3.3.2.4.1.1 "><p id="dataartsstudio_01_0040__en-us_topic_0108275286_p16905153517591">Password</p>
</td>
<td class="cellrowborder" valign="top" width="57.97%" headers="mcps1.3.3.3.2.4.1.2 "><p id="dataartsstudio_01_0040__en-us_topic_0108275286_p199057357597">Password used for logging in to FusionInsight Manager</p>
</td>
<td class="cellrowborder" valign="top" width="21.29%" headers="mcps1.3.3.3.2.4.1.3 "><p id="dataartsstudio_01_0040__en-us_topic_0108275286_p189057358594">-</p>
</td>
</tr>
<tr id="dataartsstudio_01_0040__en-us_topic_0108275286_row15485153518397"><td class="cellrowborder" valign="top" width="20.74%" headers="mcps1.3.3.3.2.4.1.1 "><p id="dataartsstudio_01_0040__en-us_topic_0108275286_p1562410194013">Authentication Method</p>
</td>
<td class="cellrowborder" valign="top" width="57.97%" headers="mcps1.3.3.3.2.4.1.2 "><div class="p" id="dataartsstudio_01_0040__en-us_topic_0108275286_p12185184611567">Authentication method used for accessing the cluster:<ul id="dataartsstudio_01_0040__en-us_topic_0108275286_ul193521539183819"><li id="dataartsstudio_01_0040__en-us_topic_0108275286_li11352039203811"><strong id="dataartsstudio_01_0040__en-us_topic_0108275286_b101916542026">SIMPLE</strong>: Select this for non-security mode.</li><li id="dataartsstudio_01_0040__en-us_topic_0108275286_li53521239113811"><strong id="dataartsstudio_01_0040__en-us_topic_0108275286_b1615131211222">KERBEROS</strong>: Select this for security mode.</li></ul>
</div>
</td>
<td class="cellrowborder" valign="top" width="21.29%" headers="mcps1.3.3.3.2.4.1.3 "><p id="dataartsstudio_01_0040__en-us_topic_0108275286_p106241018407">KERBEROS</p>
</td>
</tr>
<tr id="dataartsstudio_01_0040__en-us_topic_0108275286_row129026915554"><td class="cellrowborder" valign="top" width="20.74%" headers="mcps1.3.3.3.2.4.1.1 "><p id="dataartsstudio_01_0040__en-us_topic_0108275286_p1418522311554">Run Mode</p>
</td>
<td class="cellrowborder" valign="top" width="57.97%" headers="mcps1.3.3.3.2.4.1.2 "><div class="p" id="dataartsstudio_01_0040__en-us_topic_0108275286_p1990239195518">Run mode of the HDFS link. The options are as follows:<ul id="dataartsstudio_01_0040__en-us_topic_0108275286_en-us_topic_0108275286_ul1747017597574"><li id="dataartsstudio_01_0040__en-us_topic_0108275286_en-us_topic_0108275286_li6848185317587"><strong id="dataartsstudio_01_0040__en-us_topic_0108275286_en-us_topic_0108275286_b03725315400">EMBEDDED</strong>: The link instance runs with CDM. This mode delivers better performance.</li><li id="dataartsstudio_01_0040__en-us_topic_0108275286_en-us_topic_0108275286_li1261464125915"><strong id="dataartsstudio_01_0040__en-us_topic_0108275286_en-us_topic_0108275286_b1859873319585">STANDALONE</strong>: The link instance runs in an independent process. If you want to connect CDM to multiple Hadoop data sources (MRS, Hadoop, or CloudTable), and both <strong id="dataartsstudio_01_0040__en-us_topic_0108275286_en-us_topic_0108275286_b14923332895">KERBEROS</strong> and <strong id="dataartsstudio_01_0040__en-us_topic_0108275286_en-us_topic_0108275286_b119234321899">SIMPLE</strong> authentication modes are available, you must select <strong id="dataartsstudio_01_0040__en-us_topic_0108275286_en-us_topic_0108275286_b119235321591">STANDALONE</strong> for this parameter.<p id="dataartsstudio_01_0040__en-us_topic_0108275286_en-us_topic_0108275286_p8792217159">Note: The STANDALONE mode is used to solve the version conflict problem. If the connector versions of the source and destination ends of the same link are different, a JAR file conflict occurs. In this case, you need to place the source or destination end in the STANDALONE process to prevent the migration failure caused by the conflict.</p>
</li></ul>
</div>
</td>
<td class="cellrowborder" valign="top" width="21.29%" headers="mcps1.3.3.3.2.4.1.3 "><p id="dataartsstudio_01_0040__en-us_topic_0108275286_p18902892555">STANDALONE</p>
</td>
</tr>
<tr id="dataartsstudio_01_0040__en-us_topic_0108275286_row5249204817429"><td class="cellrowborder" valign="top" width="20.74%" headers="mcps1.3.3.3.2.4.1.1 "><p id="dataartsstudio_01_0040__en-us_topic_0108275286_p10250104844219">Agent</p>
</td>
<td class="cellrowborder" valign="top" width="57.97%" headers="mcps1.3.3.3.2.4.1.2 "><p id="dataartsstudio_01_0040__en-us_topic_0108275286_p938620154211"><span id="dataartsstudio_01_0040__en-us_topic_0108275286_text123812014213">The agent function will be unavailable soon and does not need to be configured.</span></p>
</td>
<td class="cellrowborder" valign="top" width="21.29%" headers="mcps1.3.3.3.2.4.1.3 "><p id="dataartsstudio_01_0040__en-us_topic_0108275286_p13250648124212">-</p>
</td>
</tr>
<tr id="dataartsstudio_01_0040__en-us_topic_0108275286_row566014278278"><td class="cellrowborder" valign="top" width="20.74%" headers="mcps1.3.3.3.2.4.1.1 "><p id="dataartsstudio_01_0040__en-us_topic_0108275286_p15646727112718">Use Cluster Config</p>
</td>
<td class="cellrowborder" valign="top" width="57.97%" headers="mcps1.3.3.3.2.4.1.2 "><p id="dataartsstudio_01_0040__en-us_topic_0108275286_p1664652719273">You can use the cluster configuration to simplify parameter settings for the Hadoop connection.</p>
</td>
<td class="cellrowborder" valign="top" width="21.29%" headers="mcps1.3.3.3.2.4.1.3 "><p id="dataartsstudio_01_0040__en-us_topic_0108275286_p156469276274">No</p>
</td>
</tr>
<tr id="dataartsstudio_01_0040__en-us_topic_0108275286_row12659162762719"><td class="cellrowborder" valign="top" width="20.74%" headers="mcps1.3.3.3.2.4.1.1 "><p id="dataartsstudio_01_0040__en-us_topic_0108275286_p1764662782719">Cluster Config Name</p>
</td>
<td class="cellrowborder" valign="top" width="57.97%" headers="mcps1.3.3.3.2.4.1.2 "><p id="dataartsstudio_01_0040__en-us_topic_0108275286_p16646142715274">This parameter is valid only when <strong id="dataartsstudio_01_0040__en-us_topic_0108275286_en-us_topic_0108618545_b762945800105248_1">Use Cluster Config</strong> is set to <strong id="dataartsstudio_01_0040__en-us_topic_0108275286_en-us_topic_0108618545_b1557791163105248_1">Yes</strong>. Select a cluster configuration that has been created.</p>
<p id="dataartsstudio_01_0040__en-us_topic_0108275286_p146461327142719">For details about how to configure a cluster, see "DataArts Migration" &gt; "Managing Links" &gt; "Managing Cluster Configurations" in <em id="dataartsstudio_01_0040__en-us_topic_0108275286_en-us_topic_0108618545_i19630121210434_1">User Guide</em>.</p>
</td>
<td class="cellrowborder" valign="top" width="21.29%" headers="mcps1.3.3.3.2.4.1.3 "><p id="dataartsstudio_01_0040__en-us_topic_0108275286_p76468275271">hdfs_01</p>
</td>
</tr>
</tbody>
</table>
</div>
<p id="dataartsstudio_01_0040__en-us_topic_0108275286_p1718122120293">Click <strong id="dataartsstudio_01_0040__en-us_topic_0108275286_en-us_topic_0108618545_b141941925616_1">Show Advanced Attributes</strong>, and then click <strong id="dataartsstudio_01_0040__en-us_topic_0108275286_en-us_topic_0108618545_b7127311869_1">Add</strong> to add configuration attributes of other clients. The name and value of each attribute must be configured. You can click <strong id="dataartsstudio_01_0040__en-us_topic_0108275286_en-us_topic_0108618545_b83443253616_1">Delete</strong> to delete no longer used attributes.</p>
</div>
<div class="section" id="dataartsstudio_01_0040__en-us_topic_0108275286_section690499173512"><a name="dataartsstudio_01_0040__en-us_topic_0108275286_section690499173512"></a><a name="en-us_topic_0108275286_section690499173512"></a><h4 class="sectiontitle">Apache HDFS</h4><p id="dataartsstudio_01_0040__en-us_topic_0108275286_p0904199163517">When connecting CDM to HDFS of Apache Hadoop, configure the parameters as described in <a href="#dataartsstudio_01_0040__en-us_topic_0108275286_table49051917359">Table 3</a>.</p>
<div class="tablenoborder"><a name="dataartsstudio_01_0040__en-us_topic_0108275286_table49051917359"></a><a name="en-us_topic_0108275286_table49051917359"></a><table cellpadding="4" cellspacing="0" summary="" id="dataartsstudio_01_0040__en-us_topic_0108275286_table49051917359" frame="border" border="1" rules="all"><caption><b>Table 3 </b>Apache HDFS link parameters</caption><thead align="left"><tr id="dataartsstudio_01_0040__en-us_topic_0108275286_row1990717913513"><th align="left" class="cellrowborder" valign="top" width="20.96%" id="mcps1.3.4.3.2.4.1.1"><p id="dataartsstudio_01_0040__en-us_topic_0108275286_p1390869143515">Parameter</p>
</th>
<th align="left" class="cellrowborder" valign="top" width="58.08%" id="mcps1.3.4.3.2.4.1.2"><p id="dataartsstudio_01_0040__en-us_topic_0108275286_p7909149183510">Description</p>
</th>
<th align="left" class="cellrowborder" valign="top" width="20.96%" id="mcps1.3.4.3.2.4.1.3"><p id="dataartsstudio_01_0040__en-us_topic_0108275286_p591059133516">Example Value</p>
</th>
</tr>
</thead>
<tbody><tr id="dataartsstudio_01_0040__en-us_topic_0108275286_row1391259163511"><td class="cellrowborder" valign="top" width="20.96%" headers="mcps1.3.4.3.2.4.1.1 "><p id="dataartsstudio_01_0040__en-us_topic_0108275286_p0913139163519">Name</p>
</td>
<td class="cellrowborder" valign="top" width="58.08%" headers="mcps1.3.4.3.2.4.1.2 "><p id="dataartsstudio_01_0040__en-us_topic_0108275286_p1369564463813">Link name, which should be defined based on the data source type, so it is easier to remember what the link is for</p>
</td>
<td class="cellrowborder" valign="top" width="20.96%" headers="mcps1.3.4.3.2.4.1.3 "><p id="dataartsstudio_01_0040__en-us_topic_0108275286_p5919292355">hadoop_hdfs_link</p>
</td>
</tr>
<tr id="dataartsstudio_01_0040__en-us_topic_0108275286_row1191969203511"><td class="cellrowborder" valign="top" width="20.96%" headers="mcps1.3.4.3.2.4.1.1 "><p id="dataartsstudio_01_0040__en-us_topic_0108275286_p29204953520">URI</p>
</td>
<td class="cellrowborder" valign="top" width="58.08%" headers="mcps1.3.4.3.2.4.1.2 "><p id="dataartsstudio_01_0040__en-us_topic_0108275286_p1440182173520">NameNode URI You can enter <strong id="dataartsstudio_01_0040__en-us_topic_0108275286_b1836203682719">hdfs://<em id="dataartsstudio_01_0040__en-us_topic_0108275286_i7566135113273">IP address of the NameNode instance</em>:8020</strong>.</p>
</td>
<td class="cellrowborder" valign="top" width="20.96%" headers="mcps1.3.4.3.2.4.1.3 "><p id="dataartsstudio_01_0040__en-us_topic_0108275286_p2023454920916">hdfs://<em id="dataartsstudio_01_0040__en-us_topic_0108275286_i11439233612"><strong id="dataartsstudio_01_0040__en-us_topic_0108275286_b13718219368">IP</strong></em>:8020</p>
</td>
</tr>
<tr id="dataartsstudio_01_0040__en-us_topic_0108275286_row49250918352"><td class="cellrowborder" valign="top" width="20.96%" headers="mcps1.3.4.3.2.4.1.1 "><p id="dataartsstudio_01_0040__en-us_topic_0108275286_p189268910357">Authentication Method</p>
</td>
<td class="cellrowborder" valign="top" width="58.08%" headers="mcps1.3.4.3.2.4.1.2 "><div class="p" id="dataartsstudio_01_0040__en-us_topic_0108275286_p17606125316569">Authentication method used for accessing the cluster:<ul id="dataartsstudio_01_0040__en-us_topic_0108275286_en-us_topic_0108275286_ul193521539183819"><li id="dataartsstudio_01_0040__en-us_topic_0108275286_en-us_topic_0108275286_li11352039203811"><strong id="dataartsstudio_01_0040__en-us_topic_0108275286_en-us_topic_0108275286_b101916542026">SIMPLE</strong>: Select this for non-security mode.</li><li id="dataartsstudio_01_0040__en-us_topic_0108275286_en-us_topic_0108275286_li53521239113811"><strong id="dataartsstudio_01_0040__en-us_topic_0108275286_en-us_topic_0108275286_b1615131211222">KERBEROS</strong>: Select this for security mode.</li></ul>
</div>
</td>
<td class="cellrowborder" valign="top" width="20.96%" headers="mcps1.3.4.3.2.4.1.3 "><p id="dataartsstudio_01_0040__en-us_topic_0108275286_p109305910356">KERBEROS</p>
</td>
</tr>
<tr id="dataartsstudio_01_0040__en-us_topic_0108275286_row693151312543"><td class="cellrowborder" valign="top" width="20.96%" headers="mcps1.3.4.3.2.4.1.1 "><p id="dataartsstudio_01_0040__en-us_topic_0108275286_p174517362557">Run Mode</p>
</td>
<td class="cellrowborder" valign="top" width="58.08%" headers="mcps1.3.4.3.2.4.1.2 "><div class="p" id="dataartsstudio_01_0040__en-us_topic_0108275286_p693111135543">Run mode of the HDFS link. The options are as follows:<ul id="dataartsstudio_01_0040__en-us_topic_0108275286_ul118812510251"><li id="dataartsstudio_01_0040__en-us_topic_0108275286_li88811453254"><strong id="dataartsstudio_01_0040__en-us_topic_0108275286_b1097960987">EMBEDDED</strong>: The link instance runs with CDM. This mode delivers better performance.</li><li id="dataartsstudio_01_0040__en-us_topic_0108275286_li1688117511256"><strong id="dataartsstudio_01_0040__en-us_topic_0108275286_b877378848">STANDALONE</strong>: The link instance runs in an independent process. If you want to connect CDM to multiple Hadoop data sources (MRS, Hadoop, or CloudTable), and both <strong id="dataartsstudio_01_0040__en-us_topic_0108275286_b116412551913">KERBEROS</strong> and <strong id="dataartsstudio_01_0040__en-us_topic_0108275286_b15164155513917">SIMPLE</strong> authentication modes are available, you must select <strong id="dataartsstudio_01_0040__en-us_topic_0108275286_b616419552919">STANDALONE</strong> for this parameter.<p id="dataartsstudio_01_0040__en-us_topic_0108275286_p17881145172520">Note: The STANDALONE mode is used to solve the version conflict problem. If the connector versions of the source and destination ends of the same link are different, a JAR file conflict occurs. In this case, you need to place the source or destination end in the STANDALONE process to prevent the migration failure caused by the conflict.</p>
</li></ul>
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<td class="cellrowborder" valign="top" width="20.96%" headers="mcps1.3.4.3.2.4.1.3 "><p id="dataartsstudio_01_0040__en-us_topic_0108275286_p15931141318544">STANDALONE</p>
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<tr id="dataartsstudio_01_0040__en-us_topic_0108275286_row94271058105817"><td class="cellrowborder" valign="top" width="20.96%" headers="mcps1.3.4.3.2.4.1.1 "><p id="dataartsstudio_01_0040__en-us_topic_0108275286_p1137218565914">IP and Host Name Mapping</p>
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<td class="cellrowborder" valign="top" width="58.08%" headers="mcps1.3.4.3.2.4.1.2 "><p id="dataartsstudio_01_0040__en-us_topic_0108275286_p176403238592">This parameter is used only when <strong id="dataartsstudio_01_0040__en-us_topic_0108275286_b12865824104514">Run Mode</strong> is set to <strong id="dataartsstudio_01_0040__en-us_topic_0108275286_b9939827134519">EMBEDDED</strong> or <strong id="dataartsstudio_01_0040__en-us_topic_0108275286_b98421231134512">STANDALONE</strong>.</p>
<p id="dataartsstudio_01_0040__en-us_topic_0108275286_p113721555592">If the HDFS configuration file uses the host name, configure the mapping between the IP address and host name. Separate the IP addresses and host names by spaces and mappings by semicolons (;), carriage returns, or line feeds.</p>
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<td class="cellrowborder" valign="top" width="20.96%" headers="mcps1.3.4.3.2.4.1.3 "><p id="dataartsstudio_01_0040__en-us_topic_0108275286_p937211525914">10.1.6.9 hostname01</p>
<p id="dataartsstudio_01_0040__en-us_topic_0108275286_p143727565914">10.2.7.9 hostname02</p>
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<tr id="dataartsstudio_01_0040__en-us_topic_0108275286_row13173134416"><td class="cellrowborder" valign="top" width="20.96%" headers="mcps1.3.4.3.2.4.1.1 "><p id="dataartsstudio_01_0040__en-us_topic_0108275286_p20303117444">Agent</p>
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<td class="cellrowborder" valign="top" width="58.08%" headers="mcps1.3.4.3.2.4.1.2 "><p id="dataartsstudio_01_0040__en-us_topic_0108275286_p201134017433"><span id="dataartsstudio_01_0040__en-us_topic_0108275286_text1611360164310">The agent function will be unavailable soon and does not need to be configured.</span></p>
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<td class="cellrowborder" valign="top" width="20.96%" headers="mcps1.3.4.3.2.4.1.3 "><p id="dataartsstudio_01_0040__en-us_topic_0108275286_p123193116445">-</p>
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<tr id="dataartsstudio_01_0040__en-us_topic_0108275286_row3301111432916"><td class="cellrowborder" valign="top" width="20.96%" headers="mcps1.3.4.3.2.4.1.1 "><p id="dataartsstudio_01_0040__en-us_topic_0108275286_p2029911417295">Use Cluster Config</p>
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<td class="cellrowborder" valign="top" width="58.08%" headers="mcps1.3.4.3.2.4.1.2 "><p id="dataartsstudio_01_0040__en-us_topic_0108275286_p12991141296">You can use the cluster configuration to simplify parameter settings for the Hadoop connection.</p>
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<td class="cellrowborder" valign="top" width="20.96%" headers="mcps1.3.4.3.2.4.1.3 "><p id="dataartsstudio_01_0040__en-us_topic_0108275286_p2029931402918">No</p>
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<tr id="dataartsstudio_01_0040__en-us_topic_0108275286_row9301151462916"><td class="cellrowborder" valign="top" width="20.96%" headers="mcps1.3.4.3.2.4.1.1 "><p id="dataartsstudio_01_0040__en-us_topic_0108275286_p029911492914">Cluster Config Name</p>
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<td class="cellrowborder" valign="top" width="58.08%" headers="mcps1.3.4.3.2.4.1.2 "><p id="dataartsstudio_01_0040__en-us_topic_0108275286_p16299171492913">This parameter is valid when <strong id="dataartsstudio_01_0040__en-us_topic_0108275286_en-us_topic_0108618545_b22346420399">Use Cluster Config</strong> is set to <strong id="dataartsstudio_01_0040__en-us_topic_0108275286_en-us_topic_0108618545_b63141112399">Yes</strong> or <strong id="dataartsstudio_01_0040__en-us_topic_0108275286_en-us_topic_0108618545_b108571051133916">Authentication Method</strong> is set to <strong id="dataartsstudio_01_0040__en-us_topic_0108275286_en-us_topic_0108618545_b03686134014">KERBEROS</strong>. Select a cluster configuration that has been created.</p>
<p id="dataartsstudio_01_0040__en-us_topic_0108275286_p20299121492914">For details about how to configure a cluster, see "DataArts Migration" &gt; "Managing Links" &gt; "Managing Cluster Configurations" in <em id="dataartsstudio_01_0040__en-us_topic_0108275286_en-us_topic_0108618545_i19630121210434_2">User Guide</em>.</p>
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<td class="cellrowborder" valign="top" width="20.96%" headers="mcps1.3.4.3.2.4.1.3 "><p id="dataartsstudio_01_0040__en-us_topic_0108275286_p4299181416295">hdfs_01</p>
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<div class="parentlink"><strong>Parent topic:</strong> <a href="dataartsstudio_01_0157.html">Configuring Link Parameters</a></div>
</div>
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