<p class="shortdesc">本文主要介绍如何变更常规实例的计算规格或存储规格。</p> <section class="section prereq" id="Upgrade_Common_Spec_RASESQL__prereq_mpc_ych_gtb"><div class="tasklabel"><h2 class="doc-tairway">前提条件</h2></div> <p class="p">您已成功创建常规实例，可参考<a class="xref" href="/ssr/help/database/RASESQL/User_Guide_for_RDS_PostgreSQL.Instance_Management.Create_Instance.Create_Common_Instance_MySQL" target="_blank" rel="external noopener">创建常规实例</a>。</p> </section> <section class="section context"><div class="tasklabel"><h2 class="doc-tairway">背景信息</h2></div> <p class="p">成功创建常规实例后，您可以通过RASESQL管理控制台的容量管理对常规实例的计算规格和存储规格进行升级。</p> </section> <section class="section attention" id="Upgrade_Common_Spec_RASESQL__cxl_bc3_gtb"><div class="tasklabel"><h2 class="doc-tairway">注意事项</h2></div> <ul class="ul" id="Upgrade_Common_Spec_RASESQL__ul_slq_fc3_gtb"> <li class="li"> <p class="p">升级计算规格时，数据库可能会进行重启（涉及跨主机扩容的情况下），重启数据库后，需要重新连接到数据库，建议应用设置自动重连机制。建议您在设置的<strong class="ph b">可维护时段</strong>内变更计算规格，可参考<a class="xref" href="/ssr/help/database/RASESQL/User_Guide_for_RDS_PostgreSQL.Instance_Management.Time_Segment_RASESQL" target="_blank" rel="external noopener">设置可维护时段</a>。</p> </li> <li class="li"> <p class="p">升级常规实例的计算规格时，会同时升级同城灾备实例的计算规格，若您创建了远程灾备实例，也会同时升级远程灾备实例的计算规格，且同城和远程灾备实例的计算规格与常规实例保持一致。</p> </li> <li class="li"> <p class="p">升级常规实例的存储规格时，应用与数据库的连接不会发生闪断，但会同时升级该常规实例下所有已创建实例的存储规格，包括灾备实例和只读实例，且其他所有实例的存储规格与常规实例保持一致。</p> </li> <li class="li"> <p class="p">容量升级成功后，会即刻按照新的内存规格进行计费，具体计费信息，可参考<a class="xref" href="/ssr/help/database/RASESQL/Pricing.Billing_Overview" target="_blank" rel="external noopener">计费概述</a>。</p> </li> </ul> </section> <section id="Upgrade_Common_Spec_RASESQL__steps_qlc_mc3_gtb"><div class="tasklabel"><h2 class="doc-tairway">操作步骤</h2></div><ol class="ol steps" id="Upgrade_Common_Spec_RASESQL__steps_qlc_mc3_gtb"><li class="li step"> <span class="ph cmd"> 登录<a class="xref" href="https://www.ocftcloud.com/console/rds/instance" target="_blank" rel="external noopener">关系型数据库RASESQL管理控制台</a>。</span> </li><li class="li step"> <span class="ph cmd">单击左侧导航栏<strong class="ph b">RDS-RASESQL</strong>，进入<strong class="ph b">云数据库管理</strong>页面。</span> </li><li class="li step"> <span class="ph cmd">选择目标地域。</span> </li><li class="li step"> <span class="ph cmd">单击目标实例<strong class="ph b">操作</strong>列的<strong class="ph b">管理</strong>，选择<strong class="ph b">容量管理</strong>页签。</span> </li><li class="li step"> <span class="ph cmd">单击<span class="ph uicontrol">变更配置</span>。</span> </li><li class="li step"> <span class="ph cmd">在<span class="ph uicontrol">计算规格</span>区域，选择需要升级或降级到的内存规格，单击<span class="ph menucascade"><span class="ph uicontrol">设置</span><abbr> > </abbr><span class="ph uicontrol">确认</span></span>，进入<span class="ph uicontrol">订单支付</span>页面，单击<span class="ph uicontrol">确定降配/升配</span>，输入验证码。</span> </li><li class="li step"> <span class="ph cmd">确认<span class="ph uicontrol">订单信息</span>及<span class="ph uicontrol">资源组可用余额</span>。</span> </li><li class="li step"> <span class="ph cmd">单击<span class="ph menucascade"><span class="ph uicontrol">开始计费</span><abbr> > </abbr><span class="ph uicontrol">确认购买</span></span>。</span> </li></ol></section> <section class="section result" id="Upgrade_Common_Spec_RASESQL__result_l4n_mc3_gtb"><div class="tasklabel"><h2 class="doc-tairway">执行结果</h2></div> <p class="p">单击目标实例<strong class="ph b">操作</strong>列的<strong class="ph b">管理</strong>，选择<strong class="ph b">容量管理</strong>页签，在<strong class="ph b">容量管理</strong>区域，可查看实例的<strong class="ph b">计算规格</strong>为目标值。</p> </section>