forked from docs/doc-exports
Yang, Tong
6182f91ba8
Reviewed-by: Hasko, Vladimir <vladimir.hasko@t-systems.com> Co-authored-by: Yang, Tong <yangtong2@huawei.com> Co-committed-by: Yang, Tong <yangtong2@huawei.com>
26 lines
3.8 KiB
HTML
26 lines
3.8 KiB
HTML
<a name="mrs_01_0401"></a><a name="mrs_01_0401"></a>
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<h1 class="topictitle1">How to Use Loader</h1>
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<div id="body1589421630539"><p id="mrs_01_0401__p184721821141115">This section applies to MRS clusters earlier than 3.<em id="mrs_01_0401__i7587522119">x</em>.</p>
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<div class="section" id="mrs_01_0401__s2c1174ba8a1745bdbec25fb04ff5bd42"><h4 class="sectiontitle">Process</h4><p id="mrs_01_0401__en-us_topic_0070859522_p201434415950">The process for migrating user data with Loader is as follows:</p>
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<ol id="mrs_01_0401__oe8d43fdac9f842cfae9fcae6f285d8ea"><li id="mrs_01_0401__l407c413fc4de419e83bb6dc47e01e459">Access the Loader page of the Hue web UI.</li><li id="mrs_01_0401__l0105b2a2e088437882b37985d0eebe02">Manage Loader links.</li><li id="mrs_01_0401__l3d303e51083c4b4e896d5b395b31c389">Create a job and select a data source link and a link for saving data.</li><li id="mrs_01_0401__lab2ec997257d44439b91f8898fbb8250">Run the job to complete data migration.</li></ol>
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</div>
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<div class="section" id="mrs_01_0401__s12f4baccf3914471bee631d0ca198278"><a name="mrs_01_0401__s12f4baccf3914471bee631d0ca198278"></a><a name="s12f4baccf3914471bee631d0ca198278"></a><h4 class="sectiontitle">Loader Page</h4><p id="mrs_01_0401__a5d93b3db5213467c94d4b93a0e11dd13">The Loader page is a graphical data migration management tool based on the open source Sqoop web UI and is hosted on the Hue web UI. Perform the following operations to access the Loader page:</p>
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<ol id="mrs_01_0401__o0ccdf6e190ba4491b87c2bb3d6a6e8a2"><li id="mrs_01_0401__l0934a1066f8c4d6e878f3fb6509a3433">Access the Hue web UI. For details, see <a href="mrs_01_0370.html">Accessing the Hue Web UI</a>.</li><li id="mrs_01_0401__l4bcf37712197447da959a6ad3f59c175">Choose <span class="menucascade" id="mrs_01_0401__menucascade667763545218"><b><span class="uicontrol" id="mrs_01_0401__uicontrol467093520528">Data Browsers</span></b> > <b><span class="uicontrol" id="mrs_01_0401__uicontrol86779359528">Sqoop</span></b></span>.<p id="mrs_01_0401__a6335d720267a4071afc26d73e3896769">The job management tab page is displayed by default on the Loader page.</p>
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</li></ol>
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</div>
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<div class="section" id="mrs_01_0401__s7b05140de291447bb30c2ed52d728a25"><h4 class="sectiontitle">Loader Links</h4><p id="mrs_01_0401__ad3684babefd34f0ea51dbe2772f2cfd4">Loader links save data location information. Loader uses links to access data or save data to the specified location. Perform the following operations to access the Loader link management page:</p>
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<ol id="mrs_01_0401__od015057f25f84d109917ecbb504cead4"><li id="mrs_01_0401__lb36dd034f0c64a3aaeb250b5ef6c0779">Access the Loader page.</li><li id="mrs_01_0401__l09d9ca1e681542278fc12435083c62b7">Click <span class="uicontrol" id="mrs_01_0401__uicontrol348993485411"><b>Manage links</b></span>.<p id="mrs_01_0401__a7c0ba6474a91415b9fd83ecaab7344de">The Loader link management page is displayed.</p>
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<p id="mrs_01_0401__a411ab43c513f48c59a4ec278af21f337">Click <strong id="mrs_01_0401__b1891812613567">Manage jobs</strong> to return to the job management page.</p>
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</li><li id="mrs_01_0401__l1ac330cf2c864f8f94f408fd07534e33">Click <span class="uicontrol" id="mrs_01_0401__uicontrol82975311565"><b>New link</b></span> to go to the configuration page and set parameters to create a Loader link.</li></ol>
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</div>
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<div class="section" id="mrs_01_0401__sb39f33881efd4672bc340e7052e19dcd"><h4 class="sectiontitle">Loader Jobs</h4><p id="mrs_01_0401__a57226c1b553f4fc2a8873d109c232a58">Loader jobs are used to manage data migration tasks. Each job consists of a source data link and a destination data link. A job reads data from the source link and saves data to the destination link to complete a data migration task.</p>
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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="mrs_01_0400.html">Using Loader</a></div>
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</div>
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</div>
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