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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>
203 lines
46 KiB
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203 lines
46 KiB
HTML
<a name="dataartsstudio_01_0101"></a><a name="dataartsstudio_01_0101"></a>
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<h1 class="topictitle1">Migrating Data from MySQL to DWS</h1>
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<div id="body8662426"><div class="section" id="dataartsstudio_01_0101__en-us_topic_0284710798_section2353196237"><h4 class="sectiontitle">Scenario</h4><p id="dataartsstudio_01_0101__en-us_topic_0284710798_p19986314333">CDM supports table-to-table data migration. This section describes how to migrate data from MySQL to DWS. The process is as follows:</p>
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<ol id="dataartsstudio_01_0101__en-us_topic_0284710798_ol466514154537"><li id="dataartsstudio_01_0101__en-us_topic_0284710798_li1766521515310"><a href="#dataartsstudio_01_0101__en-us_topic_0284710798_section1596917553011">Creating a CDM Cluster and Binding an EIP to the Cluster</a></li><li id="dataartsstudio_01_0101__en-us_topic_0284710798_li112513259531"><a href="#dataartsstudio_01_0101__en-us_topic_0284710798_section4972205516016">Creating a MySQL Link</a></li><li id="dataartsstudio_01_0101__en-us_topic_0284710798_li41931481956"><a href="#dataartsstudio_01_0101__en-us_topic_0284710798_section5774720191611">Creating a DWS Link</a></li><li id="dataartsstudio_01_0101__en-us_topic_0284710798_li2106037115318"><a href="#dataartsstudio_01_0101__en-us_topic_0284710798_section119151411712">Creating a Migration Job</a></li></ol>
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</div>
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<div class="section" id="dataartsstudio_01_0101__en-us_topic_0284710798_section563405015518"><h4 class="sectiontitle">Prerequisites</h4><ul id="dataartsstudio_01_0101__en-us_topic_0284710798_ul45436471068"><li id="dataartsstudio_01_0101__en-us_topic_0284710798_li1458495263814">You have obtained the IP address, port number, database name, username, and password for connecting to DWS. In addition, you must have the read, write, and delete permissions on the DWS database.</li><li id="dataartsstudio_01_0101__en-us_topic_0284710798_li2723271211445">You have obtained the IP address, port, database name, username, and password for connecting to the MySQL database. In addition, the user must have the read and write permissions on the MySQL database.</li><li id="dataartsstudio_01_0101__en-us_topic_0284710798_li178721321413">You have uploaded the MySQL database driver on the <span class="menucascade" id="dataartsstudio_01_0101__en-us_topic_0284710798_menucascade146823455510"><b><span class="uicontrol" id="dataartsstudio_01_0101__en-us_topic_0284710798_uicontrol968214525113">Job Management</span></b> > <b><span class="uicontrol" id="dataartsstudio_01_0101__en-us_topic_0284710798_uicontrol1568217456514">Links</span></b> > <b><span class="uicontrol" id="dataartsstudio_01_0101__en-us_topic_0284710798_uicontrol8682345155119">Driver Management</span></b></span> page.</li></ul>
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</div>
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<div class="section" id="dataartsstudio_01_0101__en-us_topic_0284710798_section1596917553011"><a name="dataartsstudio_01_0101__en-us_topic_0284710798_section1596917553011"></a><a name="en-us_topic_0284710798_section1596917553011"></a><h4 class="sectiontitle">Creating a CDM Cluster and Binding an EIP to the Cluster</h4><ol id="dataartsstudio_01_0101__en-us_topic_0284710798_en-us_topic_0111325168_ol686765753513"><li id="dataartsstudio_01_0101__en-us_topic_0284710798_li89807384515"><span id="dataartsstudio_01_0101__en-us_topic_0284710798_p342142211225">Create a CDM cluster.</span><p><p id="dataartsstudio_01_0101__en-us_topic_0284710798_p71409403512">The key configurations are as follows:</p>
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<ul id="dataartsstudio_01_0101__en-us_topic_0284710798_ul110615120100"><li id="dataartsstudio_01_0101__en-us_topic_0284710798_li410610129104">The flavor of the CDM cluster is selected based on the amount of data to be migrated. Generally, cdm.medium meets the requirements for most migration scenarios.</li><li id="dataartsstudio_01_0101__en-us_topic_0284710798_li410621215102">The VPC, subnet, and security group of the CDM cluster must be the same as those of the DWS cluster.</li></ul>
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</p></li><li id="dataartsstudio_01_0101__en-us_topic_0284710798_en-us_topic_0111325168_li1844914916273"><span>After the CDM cluster is created, on the <strong id="dataartsstudio_01_0101__en-us_topic_0284710798_b32921536472">Cluster Management</strong> page, click <span class="uicontrol" id="dataartsstudio_01_0101__en-us_topic_0284710798_uicontrol629315362719"><b>Bind EIP</b></span> in the <strong id="dataartsstudio_01_0101__en-us_topic_0284710798_b14293113616711">Operation</strong> column to bind an EIP to the cluster. The CDM cluster uses the EIP to access MySQL.</span><p><div class="note" id="dataartsstudio_01_0101__en-us_topic_0284710798_note24642513383"><img src="public_sys-resources/note_3.0-en-us.png"><span class="notetitle"> </span><div class="notebody"><p id="dataartsstudio_01_0101__en-us_topic_0284710798_en-us_topic_0108275471_p1693084519332">If SSL encryption is configured for the access channel of a local data source, CDM cannot connect to the data source using the EIP.</p>
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</div></div>
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</p></li></ol>
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</div>
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<div class="section" id="dataartsstudio_01_0101__en-us_topic_0284710798_section4972205516016"><a name="dataartsstudio_01_0101__en-us_topic_0284710798_section4972205516016"></a><a name="en-us_topic_0284710798_section4972205516016"></a><h4 class="sectiontitle">Creating a MySQL Link</h4><ol id="dataartsstudio_01_0101__en-us_topic_0284710798_en-us_topic_0111325168_ol1175033817329"><li id="dataartsstudio_01_0101__en-us_topic_0284710798_en-us_topic_0111325168_li16641390115738"><span>On the <span class="uicontrol" id="dataartsstudio_01_0101__en-us_topic_0284710798_en-us_topic_0111325168_uicontrol269123222818"><b>Cluster Management</b></span> page, locate a cluster and click <span class="uicontrol" id="dataartsstudio_01_0101__en-us_topic_0284710798_en-us_topic_0111325168_uicontrol56903211288"><b>Job Management</b></span> in the <strong id="dataartsstudio_01_0101__en-us_topic_0284710798_en-us_topic_0111325168_b8691432152814">Operation</strong> column. On the displayed page, click the <strong id="dataartsstudio_01_0101__en-us_topic_0284710798_en-us_topic_0111325168_b1770432112813">Links</strong> tab and then <strong id="dataartsstudio_01_0101__en-us_topic_0284710798_en-us_topic_0111325168_b670133217284">Create Link</strong>.</span></li><li id="dataartsstudio_01_0101__en-us_topic_0284710798_en-us_topic_0111325168_li55925676152157"><span>Select <span class="uicontrol" id="dataartsstudio_01_0101__en-us_topic_0284710798_en-us_topic_0111325168_en-us_topic_0108275298_uicontrol12819217182710"><b>MySQL</b></span> and click <span class="uicontrol" id="dataartsstudio_01_0101__en-us_topic_0284710798_en-us_topic_0111325168_en-us_topic_0108275298_uicontrol178191117102712"><b>Next</b></span>. On the displayed page, configure MySQL link parameters.</span><p><p id="dataartsstudio_01_0101__en-us_topic_0284710798_en-us_topic_0111325168_en-us_topic_0108275298_p30757446152044">Click <strong id="dataartsstudio_01_0101__en-us_topic_0284710798_en-us_topic_0111325168_en-us_topic_0108275298_b19202333413">Show Advanced Attributes</strong> to view more optional parameters. For details, see <a href="dataartsstudio_01_1211.html">RDS for MySQL/MySQL Database Link Parameters</a>. Retain the default values of the optional parameters and configure the mandatory parameters according to <a href="#dataartsstudio_01_0101__en-us_topic_0284710798_en-us_topic_0111325168_en-us_topic_0108275298_table5321744015490">Table 1</a>.</p>
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<div class="tablenoborder"><a name="dataartsstudio_01_0101__en-us_topic_0284710798_en-us_topic_0111325168_en-us_topic_0108275298_table5321744015490"></a><a name="en-us_topic_0284710798_en-us_topic_0111325168_en-us_topic_0108275298_table5321744015490"></a><table cellpadding="4" cellspacing="0" summary="" id="dataartsstudio_01_0101__en-us_topic_0284710798_en-us_topic_0111325168_en-us_topic_0108275298_table5321744015490" frame="border" border="1" rules="all"><caption><b>Table 1 </b>MySQL link parameters</caption><thead align="left"><tr id="dataartsstudio_01_0101__en-us_topic_0284710798_en-us_topic_0111325168_en-us_topic_0108275298_en-us_topic_0000001147041354_en-us_topic_0284710796_en-us_topic_0111325168_en-us_topic_0108275298_row185605615490"><th align="left" class="cellrowborder" valign="top" width="21.39%" id="mcps1.3.4.2.2.2.2.2.4.1.1"><p id="dataartsstudio_01_0101__en-us_topic_0284710798_en-us_topic_0111325168_en-us_topic_0108275298_en-us_topic_0000001147041354_en-us_topic_0284710796_en-us_topic_0111325168_en-us_topic_0108275298_p3088488815490">Parameter</p>
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</th>
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<th align="left" class="cellrowborder" valign="top" width="46.01%" id="mcps1.3.4.2.2.2.2.2.4.1.2"><p id="dataartsstudio_01_0101__en-us_topic_0284710798_en-us_topic_0111325168_en-us_topic_0108275298_en-us_topic_0000001147041354_en-us_topic_0284710796_en-us_topic_0111325168_en-us_topic_0108275298_p1864797615490">Description</p>
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</th>
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<th align="left" class="cellrowborder" valign="top" width="32.6%" id="mcps1.3.4.2.2.2.2.2.4.1.3"><p id="dataartsstudio_01_0101__en-us_topic_0284710798_en-us_topic_0111325168_en-us_topic_0108275298_en-us_topic_0000001147041354_en-us_topic_0284710796_en-us_topic_0111325168_en-us_topic_0108275298_p12195902165556">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_0101__en-us_topic_0284710798_en-us_topic_0111325168_en-us_topic_0108275298_en-us_topic_0000001147041354_en-us_topic_0284710796_en-us_topic_0111325168_en-us_topic_0108275298_row6448267615421"><td class="cellrowborder" valign="top" width="21.39%" headers="mcps1.3.4.2.2.2.2.2.4.1.1 "><p id="dataartsstudio_01_0101__en-us_topic_0284710798_en-us_topic_0111325168_en-us_topic_0108275298_en-us_topic_0000001147041354_en-us_topic_0284710796_en-us_topic_0111325168_en-us_topic_0108275298_p5571423915421">Name</p>
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</td>
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<td class="cellrowborder" valign="top" width="46.01%" headers="mcps1.3.4.2.2.2.2.2.4.1.2 "><p id="dataartsstudio_01_0101__en-us_topic_0284710798_en-us_topic_0111325168_en-us_topic_0108275298_en-us_topic_0000001147041354_en-us_topic_0284710796_en-us_topic_0111325168_en-us_topic_0108275298_p1655951515421">Unique link name</p>
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</td>
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<td class="cellrowborder" valign="top" width="32.6%" headers="mcps1.3.4.2.2.2.2.2.4.1.3 "><p id="dataartsstudio_01_0101__en-us_topic_0284710798_en-us_topic_0111325168_en-us_topic_0108275298_en-us_topic_0000001147041354_en-us_topic_0284710796_en-us_topic_0111325168_en-us_topic_0108275298_p6625233515421">mysqllink</p>
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</td>
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<tr id="dataartsstudio_01_0101__en-us_topic_0284710798_en-us_topic_0111325168_en-us_topic_0108275298_en-us_topic_0000001147041354_en-us_topic_0284710796_en-us_topic_0111325168_en-us_topic_0108275298_row23645714155554"><td class="cellrowborder" valign="top" width="21.39%" headers="mcps1.3.4.2.2.2.2.2.4.1.1 "><p id="dataartsstudio_01_0101__en-us_topic_0284710798_en-us_topic_0111325168_en-us_topic_0108275298_en-us_topic_0000001147041354_en-us_topic_0284710796_en-us_topic_0111325168_en-us_topic_0108275298_p36254680155554">Database Server</p>
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<td class="cellrowborder" valign="top" width="46.01%" headers="mcps1.3.4.2.2.2.2.2.4.1.2 "><p id="dataartsstudio_01_0101__en-us_topic_0284710798_en-us_topic_0111325168_en-us_topic_0108275298_en-us_topic_0000001147041354_en-us_topic_0284710796_en-us_topic_0111325168_en-us_topic_0108275298_p57055815164650">IP address or domain name of the MySQL database server</p>
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<td class="cellrowborder" valign="top" width="32.6%" headers="mcps1.3.4.2.2.2.2.2.4.1.3 "><p id="dataartsstudio_01_0101__en-us_topic_0284710798_en-us_topic_0111325168_en-us_topic_0108275298_en-us_topic_0000001147041354_en-us_topic_0284710796_en-us_topic_0111325168_en-us_topic_0108275298_p54006514165556">-</p>
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<tr id="dataartsstudio_01_0101__en-us_topic_0284710798_en-us_topic_0111325168_en-us_topic_0108275298_en-us_topic_0000001147041354_en-us_topic_0284710796_en-us_topic_0111325168_en-us_topic_0108275298_row35721234155558"><td class="cellrowborder" valign="top" width="21.39%" headers="mcps1.3.4.2.2.2.2.2.4.1.1 "><p id="dataartsstudio_01_0101__en-us_topic_0284710798_en-us_topic_0111325168_en-us_topic_0108275298_en-us_topic_0000001147041354_en-us_topic_0284710796_en-us_topic_0111325168_en-us_topic_0108275298_p7738819155558">Port</p>
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<td class="cellrowborder" valign="top" width="46.01%" headers="mcps1.3.4.2.2.2.2.2.4.1.2 "><p id="dataartsstudio_01_0101__en-us_topic_0284710798_en-us_topic_0111325168_en-us_topic_0108275298_en-us_topic_0000001147041354_en-us_topic_0284710796_en-us_topic_0111325168_en-us_topic_0108275298_p44462215165646">MySQL database port</p>
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<td class="cellrowborder" valign="top" width="32.6%" headers="mcps1.3.4.2.2.2.2.2.4.1.3 "><p id="dataartsstudio_01_0101__en-us_topic_0284710798_en-us_topic_0111325168_en-us_topic_0108275298_en-us_topic_0000001147041354_en-us_topic_0284710796_en-us_topic_0111325168_en-us_topic_0108275298_p44954710165556">3306</p>
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<tr id="dataartsstudio_01_0101__en-us_topic_0284710798_en-us_topic_0111325168_en-us_topic_0108275298_en-us_topic_0000001147041354_en-us_topic_0284710796_en-us_topic_0111325168_en-us_topic_0108275298_row58054787162632"><td class="cellrowborder" valign="top" width="21.39%" headers="mcps1.3.4.2.2.2.2.2.4.1.1 "><p id="dataartsstudio_01_0101__en-us_topic_0284710798_en-us_topic_0111325168_en-us_topic_0108275298_en-us_topic_0000001147041354_en-us_topic_0284710796_en-us_topic_0111325168_en-us_topic_0108275298_p4817321162632">Database Name</p>
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<td class="cellrowborder" valign="top" width="46.01%" headers="mcps1.3.4.2.2.2.2.2.4.1.2 "><p id="dataartsstudio_01_0101__en-us_topic_0284710798_en-us_topic_0111325168_en-us_topic_0108275298_en-us_topic_0000001147041354_en-us_topic_0284710796_en-us_topic_0111325168_en-us_topic_0108275298_p23569444165647">Name of the MySQL database</p>
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<td class="cellrowborder" valign="top" width="32.6%" headers="mcps1.3.4.2.2.2.2.2.4.1.3 "><p id="dataartsstudio_01_0101__en-us_topic_0284710798_en-us_topic_0111325168_en-us_topic_0108275298_en-us_topic_0000001147041354_en-us_topic_0284710796_en-us_topic_0111325168_en-us_topic_0108275298_p22858665165556">sqoop</p>
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<tr id="dataartsstudio_01_0101__en-us_topic_0284710798_en-us_topic_0111325168_en-us_topic_0108275298_en-us_topic_0000001147041354_en-us_topic_0284710796_en-us_topic_0111325168_en-us_topic_0108275298_row121116115490"><td class="cellrowborder" valign="top" width="21.39%" headers="mcps1.3.4.2.2.2.2.2.4.1.1 "><p id="dataartsstudio_01_0101__en-us_topic_0284710798_en-us_topic_0111325168_en-us_topic_0108275298_en-us_topic_0000001147041354_en-us_topic_0284710796_en-us_topic_0111325168_en-us_topic_0108275298_p3099525315490">Username</p>
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<td class="cellrowborder" valign="top" width="46.01%" headers="mcps1.3.4.2.2.2.2.2.4.1.2 "><p id="dataartsstudio_01_0101__en-us_topic_0284710798_en-us_topic_0111325168_en-us_topic_0108275298_en-us_topic_0000001147041354_en-us_topic_0284710796_en-us_topic_0111325168_en-us_topic_0108275298_p2758753215490">User who has the read, write, and delete permissions on the MySQL database</p>
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<td class="cellrowborder" valign="top" width="32.6%" headers="mcps1.3.4.2.2.2.2.2.4.1.3 "><p id="dataartsstudio_01_0101__en-us_topic_0284710798_en-us_topic_0111325168_en-us_topic_0108275298_en-us_topic_0000001147041354_en-us_topic_0284710796_en-us_topic_0111325168_en-us_topic_0108275298_p14053644165556">admin</p>
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<tr id="dataartsstudio_01_0101__en-us_topic_0284710798_en-us_topic_0111325168_en-us_topic_0108275298_en-us_topic_0000001147041354_en-us_topic_0284710796_en-us_topic_0111325168_en-us_topic_0108275298_row4576104015490"><td class="cellrowborder" valign="top" width="21.39%" headers="mcps1.3.4.2.2.2.2.2.4.1.1 "><p id="dataartsstudio_01_0101__en-us_topic_0284710798_en-us_topic_0111325168_en-us_topic_0108275298_en-us_topic_0000001147041354_en-us_topic_0284710796_en-us_topic_0111325168_en-us_topic_0108275298_p1565673415490">Password</p>
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<td class="cellrowborder" valign="top" width="46.01%" headers="mcps1.3.4.2.2.2.2.2.4.1.2 "><p id="dataartsstudio_01_0101__en-us_topic_0284710798_en-us_topic_0111325168_en-us_topic_0108275298_en-us_topic_0000001147041354_en-us_topic_0284710796_en-us_topic_0111325168_en-us_topic_0108275298_p6023590815490">Password of the user</p>
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<td class="cellrowborder" valign="top" width="32.6%" headers="mcps1.3.4.2.2.2.2.2.4.1.3 "><p id="dataartsstudio_01_0101__en-us_topic_0284710798_en-us_topic_0111325168_en-us_topic_0108275298_en-us_topic_0000001147041354_en-us_topic_0284710796_en-us_topic_0111325168_en-us_topic_0108275298_p44559445165556">-</p>
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<tr id="dataartsstudio_01_0101__en-us_topic_0284710798_en-us_topic_0111325168_en-us_topic_0108275298_en-us_topic_0000001147041354_row1695382013335"><td class="cellrowborder" valign="top" width="21.39%" headers="mcps1.3.4.2.2.2.2.2.4.1.1 "><p id="dataartsstudio_01_0101__en-us_topic_0284710798_en-us_topic_0111325168_en-us_topic_0108275298_en-us_topic_0000001147041354_p1395410209337">Use Local API</p>
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<td class="cellrowborder" valign="top" width="46.01%" headers="mcps1.3.4.2.2.2.2.2.4.1.2 "><p id="dataartsstudio_01_0101__en-us_topic_0284710798_en-us_topic_0111325168_en-us_topic_0108275298_en-us_topic_0000001147041354_p16954220143310">Whether to use the local API of the database for acceleration. (The system attempts to enable the <strong id="dataartsstudio_01_0101__en-us_topic_0284710798_en-us_topic_0111325168_en-us_topic_0108275298_b152419603572158">local_infile</strong> system variable of the MySQL database.)</p>
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<td class="cellrowborder" valign="top" width="32.6%" headers="mcps1.3.4.2.2.2.2.2.4.1.3 "><p id="dataartsstudio_01_0101__en-us_topic_0284710798_en-us_topic_0111325168_en-us_topic_0108275298_en-us_topic_0000001147041354_p195462013337">Yes</p>
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<tr id="dataartsstudio_01_0101__en-us_topic_0284710798_en-us_topic_0111325168_en-us_topic_0108275298_en-us_topic_0000001147041354_en-us_topic_0284710796_en-us_topic_0111325168_en-us_topic_0108275298_row117692617437"><td class="cellrowborder" valign="top" width="21.39%" headers="mcps1.3.4.2.2.2.2.2.4.1.1 "><p id="dataartsstudio_01_0101__en-us_topic_0284710798_en-us_topic_0111325168_en-us_topic_0108275298_en-us_topic_0000001147041354_en-us_topic_0284710796_en-us_topic_0111325168_en-us_topic_0108275298_p18773153334318">Use Agent</p>
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</td>
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<td class="cellrowborder" valign="top" width="46.01%" headers="mcps1.3.4.2.2.2.2.2.4.1.2 "><p id="dataartsstudio_01_0101__en-us_topic_0284710798_en-us_topic_0111325168_en-us_topic_0108275298_p14586850165214"><span id="dataartsstudio_01_0101__en-us_topic_0284710798_en-us_topic_0111325168_en-us_topic_0108275298_text1558625010526">The agent function will be unavailable soon and does not need to be configured.</span></p>
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</td>
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<td class="cellrowborder" valign="top" width="32.6%" headers="mcps1.3.4.2.2.2.2.2.4.1.3 "><p id="dataartsstudio_01_0101__en-us_topic_0284710798_en-us_topic_0111325168_en-us_topic_0108275298_en-us_topic_0000001147041354_en-us_topic_0284710796_en-us_topic_0111325168_en-us_topic_0108275298_p1977311335439">-</p>
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</td>
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</tr>
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<tr id="dataartsstudio_01_0101__en-us_topic_0284710798_en-us_topic_0111325168_en-us_topic_0108275298_en-us_topic_0000001147041354_row189746446585"><td class="cellrowborder" valign="top" width="21.39%" headers="mcps1.3.4.2.2.2.2.2.4.1.1 "><p id="dataartsstudio_01_0101__en-us_topic_0284710798_en-us_topic_0111325168_en-us_topic_0108275298_en-us_topic_0000001147041354_p179755443589">local_infile Character Set</p>
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</td>
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<td class="cellrowborder" valign="top" width="46.01%" headers="mcps1.3.4.2.2.2.2.2.4.1.2 "><p id="dataartsstudio_01_0101__en-us_topic_0284710798_en-us_topic_0111325168_en-us_topic_0108275298_en-us_topic_0000001147041354_p497514412583">When using local_infile to import data to MySQL, you can configure the encoding format.</p>
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</td>
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<td class="cellrowborder" valign="top" width="32.6%" headers="mcps1.3.4.2.2.2.2.2.4.1.3 "><p id="dataartsstudio_01_0101__en-us_topic_0284710798_en-us_topic_0111325168_en-us_topic_0108275298_en-us_topic_0000001147041354_p9975244135817">utf8</p>
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</td>
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</tr>
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<tr id="dataartsstudio_01_0101__en-us_topic_0284710798_en-us_topic_0111325168_en-us_topic_0108275298_en-us_topic_0000001147041354_row29922517620"><td class="cellrowborder" valign="top" width="21.39%" headers="mcps1.3.4.2.2.2.2.2.4.1.1 "><p id="dataartsstudio_01_0101__en-us_topic_0284710798_en-us_topic_0111325168_en-us_topic_0108275298_en-us_topic_0000001147041354_p199921356617">Driver Version</p>
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</td>
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<td class="cellrowborder" valign="top" width="46.01%" headers="mcps1.3.4.2.2.2.2.2.4.1.2 "><p id="dataartsstudio_01_0101__en-us_topic_0284710798_en-us_topic_0111325168_en-us_topic_0108275298_en-us_topic_0000001147041354_p189932517616">Before connecting CDM to a relational database, you need to upload the JDK 8 .jar driver of the relational database. Download the MySQL driver 5.1.48 from <a href="https://downloads.mysql.com/archives/c-j/" target="_blank" rel="noopener noreferrer">https://downloads.mysql.com/archives/c-j/</a>, obtain <strong id="dataartsstudio_01_0101__en-us_topic_0284710798_en-us_topic_0111325168_en-us_topic_0108275298_b7945214826">mysql-connector-java-5.1.48.jar</strong>, and upload it.</p>
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</td>
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<td class="cellrowborder" valign="top" width="32.6%" headers="mcps1.3.4.2.2.2.2.2.4.1.3 "><p id="dataartsstudio_01_0101__en-us_topic_0284710798_en-us_topic_0111325168_en-us_topic_0108275298_en-us_topic_0000001147041354_p899375564">-</p>
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</td>
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</tr>
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</tbody>
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</table>
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</div>
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</p></li><li id="dataartsstudio_01_0101__en-us_topic_0284710798_en-us_topic_0111325168_li1697949616149"><span>Click <span class="uicontrol" id="dataartsstudio_01_0101__en-us_topic_0284710798_en-us_topic_0111325168_uicontrol5119298426"><b>Save</b></span>. The <span class="uicontrol" id="dataartsstudio_01_0101__en-us_topic_0284710798_en-us_topic_0111325168_uicontrol31182964212"><b>Link Management</b></span> page is displayed.</span><p><div class="note" id="dataartsstudio_01_0101__en-us_topic_0284710798_en-us_topic_0111325168_note1896191114270"><img src="public_sys-resources/note_3.0-en-us.png"><span class="notetitle"> </span><div class="notebody"><p id="dataartsstudio_01_0101__en-us_topic_0284710798_en-us_topic_0111325168_p296110116274">If an error occurs during the saving, the security settings of the MySQL database are incorrect. In this case, you need to enable the EIP of the CDM cluster to access the MySQL database.</p>
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</div></div>
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</p></li></ol>
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</div>
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<div class="section" id="dataartsstudio_01_0101__en-us_topic_0284710798_section5774720191611"><a name="dataartsstudio_01_0101__en-us_topic_0284710798_section5774720191611"></a><a name="en-us_topic_0284710798_section5774720191611"></a><h4 class="sectiontitle">Creating a DWS Link</h4><ol id="dataartsstudio_01_0101__en-us_topic_0284710798_en-us_topic_0108275326_en-us_topic_0108275298_ol188563477319"><li id="dataartsstudio_01_0101__en-us_topic_0284710798_li121378281117"><span>On the <span class="uicontrol" id="dataartsstudio_01_0101__en-us_topic_0284710798_uicontrol82504524293"><b>Cluster Management</b></span> page, locate a cluster and click <span class="uicontrol" id="dataartsstudio_01_0101__en-us_topic_0284710798_uicontrol3250135211293"><b>Job Management</b></span> in the <strong id="dataartsstudio_01_0101__en-us_topic_0284710798_b6250105220296">Operation</strong> column. On the displayed page, click the <strong id="dataartsstudio_01_0101__en-us_topic_0284710798_b725018529298">Links</strong> tab and then <strong id="dataartsstudio_01_0101__en-us_topic_0284710798_b13250105220298">Create Link</strong>.</span></li><li id="dataartsstudio_01_0101__en-us_topic_0284710798_en-us_topic_0108275326_en-us_topic_0108275298_li19856347183116"><span>Select <span class="uicontrol" id="dataartsstudio_01_0101__en-us_topic_0284710798_uicontrol1046125317442"><b>Data Warehouse Service</b></span> and click <span class="uicontrol" id="dataartsstudio_01_0101__en-us_topic_0284710798_uicontrol646695364410"><b>Next</b></span> to configure the DWS link parameters. Set the mandatory parameters listed in <a href="#dataartsstudio_01_0101__en-us_topic_0284710798_en-us_topic_0108275326_en-us_topic_0108275298_table385644710314">Table 2</a> and retain the default values for the optional parameters.</span><p>
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<div class="tablenoborder"><a name="dataartsstudio_01_0101__en-us_topic_0284710798_en-us_topic_0108275326_en-us_topic_0108275298_table385644710314"></a><a name="en-us_topic_0284710798_en-us_topic_0108275326_en-us_topic_0108275298_table385644710314"></a><table cellpadding="4" cellspacing="0" summary="" id="dataartsstudio_01_0101__en-us_topic_0284710798_en-us_topic_0108275326_en-us_topic_0108275298_table385644710314" frame="border" border="1" rules="all"><caption><b>Table 2 </b>DWS link parameters</caption><thead align="left"><tr id="dataartsstudio_01_0101__en-us_topic_0284710798_en-us_topic_0108275326_en-us_topic_0108275298_row19841847103118"><th align="left" class="cellrowborder" valign="top" width="21.39%" id="mcps1.3.5.2.2.2.1.2.4.1.1"><p id="dataartsstudio_01_0101__en-us_topic_0284710798_en-us_topic_0108275326_en-us_topic_0108275298_p1384114743120">Parameter</p>
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</th>
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<th align="left" class="cellrowborder" valign="top" width="46.01%" id="mcps1.3.5.2.2.2.1.2.4.1.2"><p id="dataartsstudio_01_0101__en-us_topic_0284710798_en-us_topic_0108275326_en-us_topic_0108275298_p3841204716313">Description</p>
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</th>
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<th align="left" class="cellrowborder" valign="top" width="32.6%" id="mcps1.3.5.2.2.2.1.2.4.1.3"><p id="dataartsstudio_01_0101__en-us_topic_0284710798_en-us_topic_0108275326_en-us_topic_0108275298_p18841164783118">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_0101__en-us_topic_0284710798_en-us_topic_0108275326_en-us_topic_0108275298_row20841154712312"><td class="cellrowborder" valign="top" width="21.39%" headers="mcps1.3.5.2.2.2.1.2.4.1.1 "><p id="dataartsstudio_01_0101__en-us_topic_0284710798_en-us_topic_0108275326_en-us_topic_0108275298_p13841547173116">Name</p>
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</td>
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<td class="cellrowborder" valign="top" width="46.01%" headers="mcps1.3.5.2.2.2.1.2.4.1.2 "><p id="dataartsstudio_01_0101__en-us_topic_0284710798_en-us_topic_0108275326_en-us_topic_0108275298_p78412047133115">Enter a unique link name.</p>
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</td>
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<td class="cellrowborder" valign="top" width="32.6%" headers="mcps1.3.5.2.2.2.1.2.4.1.3 "><p id="dataartsstudio_01_0101__en-us_topic_0284710798_en-us_topic_0108275326_en-us_topic_0108275298_p19841247193118">dwslink</p>
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</td>
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</tr>
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<tr id="dataartsstudio_01_0101__en-us_topic_0284710798_en-us_topic_0108275326_en-us_topic_0108275298_row19841194733113"><td class="cellrowborder" valign="top" width="21.39%" headers="mcps1.3.5.2.2.2.1.2.4.1.1 "><p id="dataartsstudio_01_0101__en-us_topic_0284710798_en-us_topic_0108275326_en-us_topic_0108275298_p1284104723114">Database Server</p>
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</td>
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<td class="cellrowborder" valign="top" width="46.01%" headers="mcps1.3.5.2.2.2.1.2.4.1.2 "><p id="dataartsstudio_01_0101__en-us_topic_0284710798_en-us_topic_0108275326_en-us_topic_0108275298_p15841184711314">IP address or domain name of the DWS database</p>
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</td>
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<td class="cellrowborder" valign="top" width="32.6%" headers="mcps1.3.5.2.2.2.1.2.4.1.3 "><p id="dataartsstudio_01_0101__en-us_topic_0284710798_en-us_topic_0108275326_en-us_topic_0108275298_p18841104773115">192.168.0.3</p>
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</td>
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</tr>
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<tr id="dataartsstudio_01_0101__en-us_topic_0284710798_en-us_topic_0108275326_en-us_topic_0108275298_row984144713312"><td class="cellrowborder" valign="top" width="21.39%" headers="mcps1.3.5.2.2.2.1.2.4.1.1 "><p id="dataartsstudio_01_0101__en-us_topic_0284710798_en-us_topic_0108275326_en-us_topic_0108275298_p9841164773118">Port</p>
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</td>
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<td class="cellrowborder" valign="top" width="46.01%" headers="mcps1.3.5.2.2.2.1.2.4.1.2 "><p id="dataartsstudio_01_0101__en-us_topic_0284710798_en-us_topic_0108275326_en-us_topic_0108275298_p3841547123118">DWS database port</p>
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</td>
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<td class="cellrowborder" valign="top" width="32.6%" headers="mcps1.3.5.2.2.2.1.2.4.1.3 "><p id="dataartsstudio_01_0101__en-us_topic_0284710798_en-us_topic_0108275326_en-us_topic_0108275298_p15841204723116">8000</p>
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</td>
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</tr>
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<tr id="dataartsstudio_01_0101__en-us_topic_0284710798_en-us_topic_0108275326_en-us_topic_0108275298_row11841547133120"><td class="cellrowborder" valign="top" width="21.39%" headers="mcps1.3.5.2.2.2.1.2.4.1.1 "><p id="dataartsstudio_01_0101__en-us_topic_0284710798_en-us_topic_0108275326_en-us_topic_0108275298_p118419479311">Database Name</p>
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</td>
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<td class="cellrowborder" valign="top" width="46.01%" headers="mcps1.3.5.2.2.2.1.2.4.1.2 "><p id="dataartsstudio_01_0101__en-us_topic_0284710798_en-us_topic_0108275326_en-us_topic_0108275298_p1484174713114">Name of the DWS database</p>
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</td>
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<td class="cellrowborder" valign="top" width="32.6%" headers="mcps1.3.5.2.2.2.1.2.4.1.3 "><p id="dataartsstudio_01_0101__en-us_topic_0284710798_en-us_topic_0108275326_en-us_topic_0108275298_p1841547193111">db_demo</p>
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</td>
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</tr>
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<tr id="dataartsstudio_01_0101__en-us_topic_0284710798_en-us_topic_0108275326_en-us_topic_0108275298_row16841114716310"><td class="cellrowborder" valign="top" width="21.39%" headers="mcps1.3.5.2.2.2.1.2.4.1.1 "><p id="dataartsstudio_01_0101__en-us_topic_0284710798_en-us_topic_0108275326_en-us_topic_0108275298_p1984117474317">Username</p>
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</td>
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<td class="cellrowborder" valign="top" width="46.01%" headers="mcps1.3.5.2.2.2.1.2.4.1.2 "><p id="dataartsstudio_01_0101__en-us_topic_0284710798_en-us_topic_0108275326_en-us_topic_0108275298_p17841144773116">User who has the read, write, and delete permissions on the DWS database</p>
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</td>
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<td class="cellrowborder" valign="top" width="32.6%" headers="mcps1.3.5.2.2.2.1.2.4.1.3 "><p id="dataartsstudio_01_0101__en-us_topic_0284710798_en-us_topic_0108275326_en-us_topic_0108275298_p984124773118">dbadmin</p>
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</td>
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</tr>
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<tr id="dataartsstudio_01_0101__en-us_topic_0284710798_en-us_topic_0108275326_en-us_topic_0108275298_row98411347163117"><td class="cellrowborder" valign="top" width="21.39%" headers="mcps1.3.5.2.2.2.1.2.4.1.1 "><p id="dataartsstudio_01_0101__en-us_topic_0284710798_en-us_topic_0108275326_en-us_topic_0108275298_p13841194718313">Password</p>
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</td>
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<td class="cellrowborder" valign="top" width="46.01%" headers="mcps1.3.5.2.2.2.1.2.4.1.2 "><p id="dataartsstudio_01_0101__en-us_topic_0284710798_en-us_topic_0108275326_en-us_topic_0108275298_p12841347183118">Password of the user</p>
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</td>
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<td class="cellrowborder" valign="top" width="32.6%" headers="mcps1.3.5.2.2.2.1.2.4.1.3 "><p id="dataartsstudio_01_0101__en-us_topic_0284710798_en-us_topic_0108275326_en-us_topic_0108275298_p17841174714316">-</p>
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</td>
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</tr>
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<tr id="dataartsstudio_01_0101__en-us_topic_0284710798_en-us_topic_0108275326_en-us_topic_0108275298_row5426134013239"><td class="cellrowborder" valign="top" width="21.39%" headers="mcps1.3.5.2.2.2.1.2.4.1.1 "><p id="dataartsstudio_01_0101__en-us_topic_0284710798_en-us_topic_0108275326_en-us_topic_0108275298_p815422212356">Use Agent</p>
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</td>
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<td class="cellrowborder" valign="top" width="46.01%" headers="mcps1.3.5.2.2.2.1.2.4.1.2 "><p id="dataartsstudio_01_0101__en-us_topic_0284710798_p8634182914460"><span id="dataartsstudio_01_0101__en-us_topic_0284710798_text11634229104617">The agent function will be unavailable soon and does not need to be configured.</span></p>
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</td>
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<td class="cellrowborder" valign="top" width="32.6%" headers="mcps1.3.5.2.2.2.1.2.4.1.3 "><p id="dataartsstudio_01_0101__en-us_topic_0284710798_en-us_topic_0108275326_en-us_topic_0108275298_p1415442293513">-</p>
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</td>
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</tr>
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<tr id="dataartsstudio_01_0101__en-us_topic_0284710798_en-us_topic_0108275326_en-us_topic_0108275298_row9800836192314"><td class="cellrowborder" valign="top" width="21.39%" headers="mcps1.3.5.2.2.2.1.2.4.1.1 "><p id="dataartsstudio_01_0101__en-us_topic_0284710798_en-us_topic_0108275326_en-us_topic_0108275298_p18412133418352">Agent</p>
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</td>
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<td class="cellrowborder" valign="top" width="46.01%" headers="mcps1.3.5.2.2.2.1.2.4.1.2 "><p id="dataartsstudio_01_0101__en-us_topic_0284710798_p1648616416490"><span id="dataartsstudio_01_0101__en-us_topic_0284710798_text6486341204915">The agent function will be unavailable soon and does not need to be configured.</span></p>
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</td>
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<td class="cellrowborder" valign="top" width="32.6%" headers="mcps1.3.5.2.2.2.1.2.4.1.3 "><p id="dataartsstudio_01_0101__en-us_topic_0284710798_en-us_topic_0108275326_en-us_topic_0108275298_p1241253413354">-</p>
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</td>
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</tr>
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<tr id="dataartsstudio_01_0101__en-us_topic_0284710798_en-us_topic_0108275326_en-us_topic_0108275298_row128561847143117"><td class="cellrowborder" valign="top" width="21.39%" headers="mcps1.3.5.2.2.2.1.2.4.1.1 "><p id="dataartsstudio_01_0101__en-us_topic_0284710798_en-us_topic_0108275326_en-us_topic_0108275298_p1284114723111">Import Mode</p>
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</td>
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<td class="cellrowborder" valign="top" width="46.01%" headers="mcps1.3.5.2.2.2.1.2.4.1.2 "><p id="dataartsstudio_01_0101__en-us_topic_0284710798_en-us_topic_0108275326_en-us_topic_0108275298_p39061441407"><strong id="dataartsstudio_01_0101__en-us_topic_0284710798_b1782513224229">COPY</strong>: Migrate the source data to the DWS management node and then copy the data to DataNodes. To access DWS through the Internet, select <strong id="dataartsstudio_01_0101__en-us_topic_0284710798_b1996373217139">COPY</strong>.</p>
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</td>
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<td class="cellrowborder" valign="top" width="32.6%" headers="mcps1.3.5.2.2.2.1.2.4.1.3 "><p id="dataartsstudio_01_0101__en-us_topic_0284710798_en-us_topic_0108275326_en-us_topic_0108275298_p19856164712316">COPY</p>
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</td>
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</tr>
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</tbody>
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</table>
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</div>
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</p></li><li id="dataartsstudio_01_0101__en-us_topic_0284710798_en-us_topic_0108275326_en-us_topic_0108275298_li58561247143116"><span>Click <span class="uicontrol" id="dataartsstudio_01_0101__en-us_topic_0284710798_uicontrol8560173511313"><b>Save</b></span>.</span></li></ol>
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</div>
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<div class="section" id="dataartsstudio_01_0101__en-us_topic_0284710798_section119151411712"><a name="dataartsstudio_01_0101__en-us_topic_0284710798_section119151411712"></a><a name="en-us_topic_0284710798_section119151411712"></a><h4 class="sectiontitle">Creating a Migration Job</h4><ol id="dataartsstudio_01_0101__en-us_topic_0284710798_en-us_topic_0123434187_ol139311427141216"><li id="dataartsstudio_01_0101__en-us_topic_0284710798_en-us_topic_0123434187_li12211241111211"><span>Choose <span class="menucascade" id="dataartsstudio_01_0101__en-us_topic_0284710798_menucascade122891144141315"><b><span class="uicontrol" id="dataartsstudio_01_0101__en-us_topic_0284710798_uicontrol22881644121316">Table/File Migration</span></b> > <b><span class="uicontrol" id="dataartsstudio_01_0101__en-us_topic_0284710798_uicontrol92891944181320">Create Job</span></b></span> to create a job for exporting data from the MySQL database to DWS.</span><p><div class="fignone" id="dataartsstudio_01_0101__en-us_topic_0284710798_fig151818044718"><span class="figcap"><b>Figure 1 </b>Creating a job for migrating data from MySQL to DWS</span><br><span><img id="dataartsstudio_01_0101__en-us_topic_0284710798_image151811903475" src="en-us_image_0000002234245436.jpg" title="Click to enlarge" class="imgResize"></span></div>
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<ul id="dataartsstudio_01_0101__en-us_topic_0284710798_en-us_topic_0123434187_ul32111741141219"><li id="dataartsstudio_01_0101__en-us_topic_0284710798_li18877161765010"><strong id="dataartsstudio_01_0101__en-us_topic_0284710798_b762582301415">Job Name</strong>: Enter a unique name.</li><li id="dataartsstudio_01_0101__en-us_topic_0284710798_li16261428162612"><strong id="dataartsstudio_01_0101__en-us_topic_0284710798_b207356251144">Source Job Configuration</strong><ul id="dataartsstudio_01_0101__en-us_topic_0284710798_ul1617013352395"><li id="dataartsstudio_01_0101__en-us_topic_0284710798_li9170153517394"><strong id="dataartsstudio_01_0101__en-us_topic_0284710798_b69473273149">Source Link Name</strong>: Select the <span class="parmvalue" id="dataartsstudio_01_0101__en-us_topic_0284710798_parmvalue20948927131420"><b>mysqllink</b></span> created in <a href="#dataartsstudio_01_0101__en-us_topic_0284710798_section4972205516016">Creating a MySQL Link</a>.</li><li id="dataartsstudio_01_0101__en-us_topic_0284710798_li1517043513392"><strong id="dataartsstudio_01_0101__en-us_topic_0284710798_b3278314144">Use SQL Statement</strong>: Select <strong id="dataartsstudio_01_0101__en-us_topic_0284710798_b42719316148">No</strong>.</li><li id="dataartsstudio_01_0101__en-us_topic_0284710798_li917113503920"><strong id="dataartsstudio_01_0101__en-us_topic_0284710798_b9751635111415">Schema/Tablespace</strong>: name of the schema or tablespace from which data is to be extracted</li><li id="dataartsstudio_01_0101__en-us_topic_0284710798_li18171103563918"><strong id="dataartsstudio_01_0101__en-us_topic_0284710798_b1659983619145">Table Name</strong>: name of the table from which data is to be extracted</li><li id="dataartsstudio_01_0101__en-us_topic_0284710798_li141715359398">Retain the default values of other optional parameters.</li></ul>
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</li><li id="dataartsstudio_01_0101__en-us_topic_0284710798_li77802020103915"><strong id="dataartsstudio_01_0101__en-us_topic_0284710798_b6527184131414">Destination Job Configuration</strong><ul id="dataartsstudio_01_0101__en-us_topic_0284710798_ul47801820183914"><li id="dataartsstudio_01_0101__en-us_topic_0284710798_li177801920173918"><strong id="dataartsstudio_01_0101__en-us_topic_0284710798_b16701194811142">Destination Link Name</strong>: Select the <span class="parmvalue" id="dataartsstudio_01_0101__en-us_topic_0284710798_parmvalue15780142063912"><b>dwslink</b></span> created in <a href="#dataartsstudio_01_0101__en-us_topic_0284710798_section5774720191611">Creating a DWS Link</a>.</li><li id="dataartsstudio_01_0101__en-us_topic_0284710798_li278042053910"><strong id="dataartsstudio_01_0101__en-us_topic_0284710798_b1563123191610">Schema/Tablespace</strong>: Select the DWS database to which data is to be written.</li><li id="dataartsstudio_01_0101__en-us_topic_0284710798_li27801720103914"><strong id="dataartsstudio_01_0101__en-us_topic_0284710798_b1563454116168">Auto Table Creation</strong>: This parameter is displayed only when both the migration source and destination are relational databases.</li><li id="dataartsstudio_01_0101__en-us_topic_0284710798_li1978082043916"><strong id="dataartsstudio_01_0101__en-us_topic_0284710798_b96651147151613">Table Name</strong>: Name of the table to which data is to be written. You can enter a table name that does not exist. CDM automatically creates the table in DWS.</li><li id="dataartsstudio_01_0101__en-us_topic_0284710798_li78511330154115"><strong id="dataartsstudio_01_0101__en-us_topic_0284710798_b124185311302">isCompress</strong>: whether to compress data. If you select <strong id="dataartsstudio_01_0101__en-us_topic_0284710798_b1441983173015">Yes</strong>, high-level compression will be performed. CDM applies to compression scenarios where the I/O read/write volume is large and the CPU is sufficient (the computing load is relatively low). </li><li id="dataartsstudio_01_0101__en-us_topic_0284710798_li65194145409"><strong id="dataartsstudio_01_0101__en-us_topic_0284710798_b0445161052416">Orientation</strong>: You can create row- or column-store tables as needed. Generally, if a table contains many columns (called a wide table) and its query involves only a few columns, column storage is recommended. If a table contains only a few columns and a query includes most of the fields, row storage is recommended.</li><li id="dataartsstudio_01_0101__en-us_topic_0284710798_li197801209391"><strong id="dataartsstudio_01_0101__en-us_topic_0284710798_b188434164252">Extend char length</strong>: If the data encoding formats of the migration source and destination are different, the character length of the automatic table creation may be insufficient. If you select <strong id="dataartsstudio_01_0101__en-us_topic_0284710798_b5220115213268">Yes</strong> for this parameter, the character length will be increased by three times during automatic table creation.</li><li id="dataartsstudio_01_0101__en-us_topic_0284710798_li1178032019393"><strong id="dataartsstudio_01_0101__en-us_topic_0284710798_b8514122714">Clear Data Before Import</strong>: whether to clear data in the destination table before the migration task starts.</li></ul>
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</li></ul>
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</p></li><li id="dataartsstudio_01_0101__en-us_topic_0284710798_en-us_topic_0123434187_li59151048111210"><span>Click <span class="uicontrol" id="dataartsstudio_01_0101__en-us_topic_0284710798_uicontrol18732111682817"><b>Next</b></span>. The <strong id="dataartsstudio_01_0101__en-us_topic_0284710798_b15733616102820">Map Field</strong> page is displayed. CDM automatically matches the source and destination fields, as shown in <a href="#dataartsstudio_01_0101__en-us_topic_0284710798_fig1534811262293">Figure 2</a>.</span><p><ul id="dataartsstudio_01_0101__en-us_topic_0284710798_en-us_topic_0108275437_ul2086033675113"><li id="dataartsstudio_01_0101__en-us_topic_0284710798_en-us_topic_0108275437_li286063610513">If the field mapping is incorrect, you can drag the fields to adjust the mapping.</li><li id="dataartsstudio_01_0101__en-us_topic_0284710798_en-us_topic_0108275437_li557993195213">The expressions in CDM support field conversion of common character strings, dates, and values. </li></ul>
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<div class="fignone" id="dataartsstudio_01_0101__en-us_topic_0284710798_fig1534811262293"><a name="dataartsstudio_01_0101__en-us_topic_0284710798_fig1534811262293"></a><a name="en-us_topic_0284710798_fig1534811262293"></a><span class="figcap"><b>Figure 2 </b>Table-to-table field mapping</span><br><span><img id="dataartsstudio_01_0101__en-us_topic_0284710798_image78281512389" src="en-us_image_0000002269204877.png" title="Click to enlarge" class="imgResize"></span></div>
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</p></li><li id="dataartsstudio_01_0101__en-us_topic_0284710798_en-us_topic_0123434187_li47753211373"><span>Click <span class="uicontrol" id="dataartsstudio_01_0101__en-us_topic_0284710798_uicontrol7908533153511"><b>Next</b></span> and set task parameters. Generally, retain the default values of all parameters.</span><p><div class="p" id="dataartsstudio_01_0101__en-us_topic_0284710798_en-us_topic_0183642955_en-us_topic_0108275315_p574914560220">In this step, you can configure the following optional functions:<ul id="dataartsstudio_01_0101__en-us_topic_0284710798_en-us_topic_0183642955_en-us_topic_0108275315_ul65067533203334"><li id="dataartsstudio_01_0101__en-us_topic_0284710798_en-us_topic_0183642955_en-us_topic_0108275315_li37800576203334"><strong id="dataartsstudio_01_0101__en-us_topic_0284710798_b1434184973513">Retry Upon Failure</strong>: If the job fails to be executed, you can determine whether to automatically retry. Retain the default value <span class="parmvalue" id="dataartsstudio_01_0101__en-us_topic_0284710798_parmvalue1534214963514"><b>Never</b></span>.</li><li id="dataartsstudio_01_0101__en-us_topic_0284710798_en-us_topic_0183642955_en-us_topic_0108275315_li158210387356"><strong id="dataartsstudio_01_0101__en-us_topic_0284710798_b749411517357">Group</strong>: Select the group to which the job belongs. The default group is <span class="parmvalue" id="dataartsstudio_01_0101__en-us_topic_0284710798_parmvalue44946510355"><b>DEFAULT</b></span>. On the <span class="wintitle" id="dataartsstudio_01_0101__en-us_topic_0284710798_wintitle8674125215355"><b>Job Management</b></span> page, jobs can be displayed, started, or exported by group.</li><li id="dataartsstudio_01_0101__en-us_topic_0284710798_en-us_topic_0183642955_en-us_topic_0108275315_li33236331203339"><strong id="dataartsstudio_01_0101__en-us_topic_0284710798_b2073425155117">Schedule Execution</strong>: Enable it if you need to configure scheduled jobs. Retain the default value <span class="parmvalue" id="dataartsstudio_01_0101__en-us_topic_0284710798_parmvalue1198710562352"><b>No</b></span>.</li><li id="dataartsstudio_01_0101__en-us_topic_0284710798_en-us_topic_0183642955_en-us_topic_0108275315_li65386286258"><strong id="dataartsstudio_01_0101__en-us_topic_0284710798_b196312513620">Concurrent Extractors</strong>: Enter the number of extractors to be concurrently executed. You can increase the value of this parameter to improve migration efficiency.</li><li id="dataartsstudio_01_0101__en-us_topic_0284710798_en-us_topic_0183642955_en-us_topic_0108275315_li1396265172616"><strong id="dataartsstudio_01_0101__en-us_topic_0284710798_b7962418193617">Write Dirty Data</strong>: Dirty data may be generated during data migration between tables. You are advised to select <strong id="dataartsstudio_01_0101__en-us_topic_0284710798_b1773635120363">Yes</strong>.</li><li id="dataartsstudio_01_0101__en-us_topic_0284710798_en-us_topic_0183642955_en-us_topic_0108275315_li26341820112614"><strong id="dataartsstudio_01_0101__en-us_topic_0284710798_b526185613611">Delete Job After Completion</strong>: Retain the default value <span class="parmvalue" id="dataartsstudio_01_0101__en-us_topic_0284710798_parmvalue927125623612"><b>Do not delete</b></span>.</li></ul>
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</p></li><li id="dataartsstudio_01_0101__en-us_topic_0284710798_en-us_topic_0123434187_li1577510223710"><span>Click <span class="uicontrol" id="dataartsstudio_01_0101__en-us_topic_0284710798_en-us_topic_0108275326_uicontrol1362446142110"><b>Save and Run</b></span>. The <strong id="dataartsstudio_01_0101__en-us_topic_0284710798_en-us_topic_0108275326_b867281052113">Job Management</strong> page is displayed, on which you can view the job execution progress and result.</span></li><li id="dataartsstudio_01_0101__en-us_topic_0284710798_en-us_topic_0123434187_li1189115352456"><span>After the job is successfully executed, in the <strong id="dataartsstudio_01_0101__en-us_topic_0284710798_en-us_topic_0108275326_b78588166211">Operation</strong> column of the job, click <span class="uicontrol" id="dataartsstudio_01_0101__en-us_topic_0284710798_en-us_topic_0108275326_uicontrol6858616102110"><b>Historical Record</b></span> to view the job's historical execution records and read/write statistics.</span><p><p id="dataartsstudio_01_0101__en-us_topic_0284710798_en-us_topic_0108275326_p1891735144518">On the <strong id="dataartsstudio_01_0101__en-us_topic_0284710798_en-us_topic_0108275326_b1470242882110">Historical Record</strong> page, click <span class="uicontrol" id="dataartsstudio_01_0101__en-us_topic_0284710798_en-us_topic_0108275326_uicontrol147021628182113"><b>Log</b></span> to view the job logs.</p>
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<div class="parentlink"><strong>Parent topic:</strong> <a href="dataartsstudio_01_0086.html">Tutorials</a></div>
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