Concepts

<table border="1" cellpadding="0" cellspacing="0" style="width:0px"> <tbody> <tr> <td style="background-color:#ededed; vertical-align:top"> <p><strong>Name</strong></p> </td> <td style="background-color:#ededed; vertical-align:top"> <p><strong>Description</strong></p> </td> </tr> <tr> <td style="vertical-align:top"> <p>Availability zone</p> </td> <td style="vertical-align:top"> <p>Physical area with independent power and network facilities. An availability zone can contain one or more data centers.</p> <p>The master and subordinate servers of Redis are deployed in the same availability zone in the same region.</p> </td> </tr> <tr> <td style="vertical-align:top"> <p>Region</p> </td> <td style="vertical-align:top"> <p>Physical location of the Redis instance. A region can contain multiple availability zones.</p> </td> </tr> <tr> <td style="vertical-align:top"> <p>Cluster instance</p> </td> <td style="vertical-align:top"> <p>Redis instance that contains multiple master and subordinate nodes. For more information, see <a href="http://pinganyun.com/ssr/help/database/Redis/index.Architecture" target="_blank">Architecture</a>.</p> </td> </tr> </tbody> </table>
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