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chenxiaoxiong
f9e2808b7c
Reviewed-by: Pruthi, Vineet <vineet.pruthi@t-systems.com> Co-authored-by: chenxiaoxiong <chenxiaoxiong@huawei.com> Co-committed-by: chenxiaoxiong <chenxiaoxiong@huawei.com>
91 lines
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91 lines
13 KiB
HTML
<a name="dataartsstudio_01_0032"></a><a name="dataartsstudio_01_0032"></a>
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<h1 class="topictitle1">Redis Link Parameters</h1>
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<div id="body8662426"><p id="dataartsstudio_01_0032__en-us_topic_0108275391_p1746173925518">The Redis link is applicable to data migration of Redis created in the local data center or ECS. It is used to load data in the database or files to Redis.</p>
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<p id="dataartsstudio_01_0032__en-us_topic_0108275391_p75081211182211">Links to Redis data encrypted using SSL are not supported.</p>
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<p id="dataartsstudio_01_0032__en-us_topic_0108275391_p840683413016">When connecting CDM to an on-premises Redis database, configure the parameters as described in <a href="#dataartsstudio_01_0032__en-us_topic_0108275391_table34037531171418">Table 1</a>.</p>
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<div class="note" id="dataartsstudio_01_0032__en-us_topic_0108275391_note8867140110"><img src="public_sys-resources/note_3.0-en-us.png"><span class="notetitle"> </span><div class="notebody"><p id="dataartsstudio_01_0032__en-us_topic_0108275391_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>
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</div></div>
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<div class="tablenoborder"><a name="dataartsstudio_01_0032__en-us_topic_0108275391_table34037531171418"></a><a name="en-us_topic_0108275391_table34037531171418"></a><table cellpadding="4" cellspacing="0" summary="" id="dataartsstudio_01_0032__en-us_topic_0108275391_table34037531171418" frame="border" border="1" rules="all"><caption><b>Table 1 </b>Redis link parameters</caption><thead align="left"><tr id="dataartsstudio_01_0032__en-us_topic_0108275391_row56630393171418"><th align="left" class="cellrowborder" valign="top" width="18.62%" id="mcps1.3.5.2.4.1.1"><p id="dataartsstudio_01_0032__en-us_topic_0108275391_p23659124171418">Parameter</p>
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</th>
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<th align="left" class="cellrowborder" valign="top" width="61.53999999999999%" id="mcps1.3.5.2.4.1.2"><p id="dataartsstudio_01_0032__en-us_topic_0108275391_p37340867171418">Description</p>
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</th>
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<th align="left" class="cellrowborder" valign="top" width="19.84%" id="mcps1.3.5.2.4.1.3"><p id="dataartsstudio_01_0032__en-us_topic_0108275391_p4711375171418">Example Value</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_0032__en-us_topic_0108275391_row197082015910"><td class="cellrowborder" valign="top" width="18.62%" headers="mcps1.3.5.2.4.1.1 "><p id="dataartsstudio_01_0032__en-us_topic_0108275391_p1670891512118">Name</p>
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</td>
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<td class="cellrowborder" valign="top" width="61.53999999999999%" headers="mcps1.3.5.2.4.1.2 "><p id="dataartsstudio_01_0032__en-us_topic_0108275391_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>
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</td>
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<td class="cellrowborder" valign="top" width="19.84%" headers="mcps1.3.5.2.4.1.3 "><p id="dataartsstudio_01_0032__en-us_topic_0108275391_p370819159116">redis_link</p>
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</td>
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</tr>
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<tr id="dataartsstudio_01_0032__en-us_topic_0108275391_row42099350112430"><td class="cellrowborder" valign="top" width="18.62%" headers="mcps1.3.5.2.4.1.1 "><p id="dataartsstudio_01_0032__en-us_topic_0108275391_p54604217112430">Redis Deployment Method</p>
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</td>
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<td class="cellrowborder" valign="top" width="61.53999999999999%" headers="mcps1.3.5.2.4.1.2 "><p id="dataartsstudio_01_0032__en-us_topic_0108275391_p45863417112646">Two deployment methods are available:</p>
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<ul id="dataartsstudio_01_0032__en-us_topic_0108275391_ul54257378112542"><li id="dataartsstudio_01_0032__en-us_topic_0108275391_li40111052112546"><strong id="dataartsstudio_01_0032__en-us_topic_0108275391_b842352706174911">Single</strong>: installation on a single-node system</li><li id="dataartsstudio_01_0032__en-us_topic_0108275391_li16350282112542"><strong id="dataartsstudio_01_0032__en-us_topic_0108275391_b842352706174957">Cluster</strong>: installation on a cluster</li><li id="dataartsstudio_01_0032__en-us_topic_0108275391_li133115440368"><strong id="dataartsstudio_01_0032__en-us_topic_0108275391_b433310256565">Proxy</strong>: installation using a proxy</li></ul>
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</td>
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<td class="cellrowborder" valign="top" width="19.84%" headers="mcps1.3.5.2.4.1.3 "><p id="dataartsstudio_01_0032__en-us_topic_0108275391_p31153255112430">Single</p>
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</td>
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</tr>
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<tr id="dataartsstudio_01_0032__en-us_topic_0108275391_row19710159171418"><td class="cellrowborder" valign="top" width="18.62%" headers="mcps1.3.5.2.4.1.1 "><p id="dataartsstudio_01_0032__en-us_topic_0108275391_p62657656114131">Redis Server List</p>
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</td>
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<td class="cellrowborder" valign="top" width="61.53999999999999%" headers="mcps1.3.5.2.4.1.2 "><p id="dataartsstudio_01_0032__en-us_topic_0108275391_p3224914515418">List of Redis server addresses. Enter each address in the format of <em id="dataartsstudio_01_0032__en-us_topic_0108275391_i5626935919">IP address or domain name of the database server</em>:<em id="dataartsstudio_01_0032__en-us_topic_0108275391_i1562495591">port number</em>, Separate multiple server lists by semicolons (;).</p>
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</td>
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<td class="cellrowborder" valign="top" width="19.84%" headers="mcps1.3.5.2.4.1.3 "><p id="dataartsstudio_01_0032__en-us_topic_0108275391_p3891070991628">192.168.0.1:7300;192.168.0.2:7301</p>
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</td>
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</tr>
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<tr id="dataartsstudio_01_0032__en-us_topic_0108275391_row21870968171418"><td class="cellrowborder" valign="top" width="18.62%" headers="mcps1.3.5.2.4.1.1 "><p id="dataartsstudio_01_0032__en-us_topic_0108275391_p26718016171418">Password</p>
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</td>
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<td class="cellrowborder" valign="top" width="61.53999999999999%" headers="mcps1.3.5.2.4.1.2 "><p id="dataartsstudio_01_0032__en-us_topic_0108275391_p5950554015418">Password used for logging in to Redis</p>
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</td>
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<td class="cellrowborder" valign="top" width="19.84%" headers="mcps1.3.5.2.4.1.3 "><p id="dataartsstudio_01_0032__en-us_topic_0108275391_p38901992114142">-</p>
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</td>
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</tr>
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<tr id="dataartsstudio_01_0032__en-us_topic_0108275391_row46725475164948"><td class="cellrowborder" valign="top" width="18.62%" headers="mcps1.3.5.2.4.1.1 "><p id="dataartsstudio_01_0032__en-us_topic_0108275391_p26667143164948">Redis Database Index</p>
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</td>
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<td class="cellrowborder" valign="top" width="61.53999999999999%" headers="mcps1.3.5.2.4.1.2 "><p id="dataartsstudio_01_0032__en-us_topic_0108275391_p12554938164948">Index ID of a Redis database</p>
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<p id="dataartsstudio_01_0032__en-us_topic_0108275391_p382084353413">A Redis database is similar to a relational database. The total number of Redis databases can be set in the Redis configuration file. By default, there are 16 Redis databases. The database names are integers ranging from 0 to 15 instead of character strings.</p>
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</td>
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<td class="cellrowborder" valign="top" width="19.84%" headers="mcps1.3.5.2.4.1.3 "><p id="dataartsstudio_01_0032__en-us_topic_0108275391_p10317095164948">0</p>
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</td>
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</tr>
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<tr id="dataartsstudio_01_0032__en-us_topic_0108275391_row191311552915"><td class="cellrowborder" valign="top" width="18.62%" headers="mcps1.3.5.2.4.1.1 "><p id="dataartsstudio_01_0032__en-us_topic_0108275391_p15141551095">Authentication Method</p>
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</td>
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<td class="cellrowborder" valign="top" width="61.53999999999999%" headers="mcps1.3.5.2.4.1.2 "><div class="p" id="dataartsstudio_01_0032__en-us_topic_0108275391_p11181148185017">Authentication method used for accessing MRS<ul id="dataartsstudio_01_0032__en-us_topic_0108275391_en-us_topic_0108618545_ul12623191718453"><li id="dataartsstudio_01_0032__en-us_topic_0108275391_en-us_topic_0108618545_li1362321718457"><strong id="dataartsstudio_01_0032__en-us_topic_0108275391_en-us_topic_0108618545_b84235270611123">SIMPLE</strong>: Select this for non-security mode.</li><li id="dataartsstudio_01_0032__en-us_topic_0108275391_en-us_topic_0108618545_li762371724519"><strong id="dataartsstudio_01_0032__en-us_topic_0108275391_en-us_topic_0108618545_b842352706183921">KERBEROS</strong>: Select this for security mode.</li></ul>
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</div>
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</td>
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<td class="cellrowborder" valign="top" width="19.84%" headers="mcps1.3.5.2.4.1.3 "><p id="dataartsstudio_01_0032__en-us_topic_0108275391_p519955494">SIMPLE</p>
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</td>
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</tr>
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<tr id="dataartsstudio_01_0032__en-us_topic_0108275391_row15752231213"><td class="cellrowborder" valign="top" width="18.62%" headers="mcps1.3.5.2.4.1.1 "><p id="dataartsstudio_01_0032__en-us_topic_0108275391_p1671223123">Username</p>
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</td>
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<td class="cellrowborder" valign="top" width="61.53999999999999%" headers="mcps1.3.5.2.4.1.2 "><p id="dataartsstudio_01_0032__en-us_topic_0108275391_p57142216125">If <strong id="dataartsstudio_01_0032__en-us_topic_0108275391_en-us_topic_0108275286_b7848458134816">Authentication Method</strong> is set to <strong id="dataartsstudio_01_0032__en-us_topic_0108275391_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>
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<div class="p" id="dataartsstudio_01_0032__en-us_topic_0108275391_p194519141759">To create a data connection for an MRS security cluster, do not use user <strong id="dataartsstudio_01_0032__en-us_topic_0108275391_en-us_topic_0108618545_b554524219105248">admin</strong>. The <strong id="dataartsstudio_01_0032__en-us_topic_0108275391_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_0032__en-us_topic_0108275391_en-us_topic_0108618545_en-us_topic_0187412481_parmname3468191262313"><b>Username</b></span> and <span class="parmname" id="dataartsstudio_01_0032__en-us_topic_0108275391_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_0032__en-us_topic_0108275391_en-us_topic_0108618545_note15451659151217"><span class="notetitle"> NOTE: </span><div class="notebody"><ul id="dataartsstudio_01_0032__en-us_topic_0108275391_en-us_topic_0108618545_ul17715141011134"><li id="dataartsstudio_01_0032__en-us_topic_0108275391_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_0032__en-us_topic_0108275391_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_0032__en-us_topic_0108275391_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_0032__en-us_topic_0108275391_en-us_topic_0108618545_b1088016562338">Manager_administrator</strong> or <strong id="dataartsstudio_01_0032__en-us_topic_0108275391_en-us_topic_0108618545_b1288695693319">System_administrator</strong> to create links on CDM.</li><li id="dataartsstudio_01_0032__en-us_topic_0108275391_en-us_topic_0108618545_li1733135017192">A user with only the <strong id="dataartsstudio_01_0032__en-us_topic_0108275391_en-us_topic_0108618545_b6765133911341">Manager_tenant</strong> or <strong id="dataartsstudio_01_0032__en-us_topic_0108275391_en-us_topic_0108618545_b1377216393342">Manager_auditor</strong> permission cannot create connections.</li></ul>
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</div></div>
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</div>
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</td>
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<td class="cellrowborder" valign="top" width="19.84%" headers="mcps1.3.5.2.4.1.3 "><p id="dataartsstudio_01_0032__en-us_topic_0108275391_p571122101215">cdm</p>
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</td>
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</tr>
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<tr id="dataartsstudio_01_0032__en-us_topic_0108275391_row17536611132320"><td class="cellrowborder" valign="top" width="18.62%" headers="mcps1.3.5.2.4.1.1 "><p id="dataartsstudio_01_0032__en-us_topic_0108275391_p1053617111238">Cluster Config Name</p>
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</td>
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<td class="cellrowborder" valign="top" width="61.53999999999999%" headers="mcps1.3.5.2.4.1.2 "><p id="dataartsstudio_01_0032__en-us_topic_0108275391_p1171175111302">This parameter is valid only when <strong id="dataartsstudio_01_0032__en-us_topic_0108275391_b1322731014447">Authentication Method</strong> is set to <strong id="dataartsstudio_01_0032__en-us_topic_0108275391_b16696101754414">KERBEROS</strong>. Select a cluster configuration you have created.</p>
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<p id="dataartsstudio_01_0032__en-us_topic_0108275391_p192211597367">For details about how to configure a cluster, see "DataArts Migration" > "Managing Links" > "Managing Cluster Configurations" in <em id="dataartsstudio_01_0032__en-us_topic_0108275391_en-us_topic_0108618545_i19630121210434">User Guide</em>.</p>
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<td class="cellrowborder" valign="top" width="19.84%" headers="mcps1.3.5.2.4.1.3 "><p id="dataartsstudio_01_0032__en-us_topic_0108275391_p75361011182319">hdfs_01</p>
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</tr>
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</tbody>
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</table>
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</div>
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</div>
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<div>
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<div class="familylinks">
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<div class="parentlink"><strong>Parent topic:</strong> <a href="dataartsstudio_01_0157.html">Configuring Link Parameters</a></div>
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</div>
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</div>
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