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Wang , Deng Ke
79b1bc1455
Reviewed-by: Hasko, Vladimir <vladimir.hasko@t-systems.com> Co-authored-by: Wang , Deng Ke <wangdengke2@huawei.com> Co-committed-by: Wang , Deng Ke <wangdengke2@huawei.com>
41 lines
3.5 KiB
HTML
41 lines
3.5 KiB
HTML
<a name="rds_01_0010"></a><a name="rds_01_0010"></a>
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<h1 class="topictitle1">DB Instance Introduction</h1>
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<div id="body1521777502957"><div class="p" id="rds_01_0010__p11357172452010">Currently, <span class="keyword" id="rds_01_0010__keyword185638216184">RDS</span> DB instances are classified into the following types:<ul id="rds_01_0010__ul15425636182013"><li id="rds_01_0010__li8299193819209">Single</li><li id="rds_01_0010__li1987214402206">Primary/Standby</li></ul>
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</div>
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<p id="rds_01_0010__p195981908219">Different series support different DB engines and instance specifications.</p>
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<div class="tablenoborder"><a name="rds_01_0010__table15359933192816"></a><a name="table15359933192816"></a><table cellpadding="4" cellspacing="0" summary="" id="rds_01_0010__table15359933192816" frame="border" border="1" rules="all"><caption><b>Table 1 </b>DB instance types</caption><thead align="left"><tr id="rds_01_0010__row18406163372818"><th align="left" class="cellrowborder" valign="top" width="23.16768323167683%" id="mcps1.3.3.2.4.1.1"><p id="rds_01_0010__p9406153315282"><strong id="rds_01_0010__b2032516170264">DB Instance Type</strong></p>
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</th>
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<th align="left" class="cellrowborder" valign="top" width="42.94570542945706%" id="mcps1.3.3.2.4.1.2"><p id="rds_01_0010__p11406133318280"><strong id="rds_01_0010__b0714929133514">Description</strong></p>
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</th>
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<th align="left" class="cellrowborder" valign="top" width="33.88661133886611%" id="mcps1.3.3.2.4.1.3"><p id="rds_01_0010__p640643311282"><strong id="rds_01_0010__b107141829133512">Scenarios</strong></p>
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</th>
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</tr>
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</thead>
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<tbody><tr id="rds_01_0010__row1440643352814"><td class="cellrowborder" valign="top" width="23.16768323167683%" headers="mcps1.3.3.2.4.1.1 "><p id="rds_01_0010__p6406153315285">Single</p>
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</td>
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<td class="cellrowborder" valign="top" width="42.94570542945706%" headers="mcps1.3.3.2.4.1.2 "><p id="rds_01_0010__p18406183319282">Uses a single-node architecture. More cost-effective than the mainstream primary/standby DB instances.</p>
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</td>
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<td class="cellrowborder" valign="top" width="33.88661133886611%" headers="mcps1.3.3.2.4.1.3 "><ul id="rds_01_0010__ul79229111366"><li id="rds_01_0010__li14922211143619">Personal learning</li><li id="rds_01_0010__li69221211103611">Microsites</li><li id="rds_01_0010__li29221211113618">Development and testing environment of small- and medium-sized enterprises</li></ul>
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</td>
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</tr>
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<tr id="rds_01_0010__row1940683372810"><td class="cellrowborder" valign="top" width="23.16768323167683%" headers="mcps1.3.3.2.4.1.1 "><p id="rds_01_0010__p12406933152811">Primary/Standby</p>
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</td>
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<td class="cellrowborder" valign="top" width="42.94570542945706%" headers="mcps1.3.3.2.4.1.2 "><p id="rds_01_0010__p140673310286">Uses an HA architecture with one master node and one slave node.</p>
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<p id="rds_01_0010__p14488201420100">The primary and standby DB instances share the same IP address and can be deployed in different AZs.</p>
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</td>
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<td class="cellrowborder" valign="top" width="33.88661133886611%" headers="mcps1.3.3.2.4.1.3 "><ul id="rds_01_0010__ul176571146203517"><li id="rds_01_0010__li4657446113513">Production databases of large- and medium-sized enterprises</li><li id="rds_01_0010__li2065714663511">Applications for the Internet, Internet of Things (IoT), retail e-commerce sales, logistics, gaming, and other industries</li></ul>
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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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</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="rds_01_0009.html">Product Series</a></div>
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</div>
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</div>
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