<p class="shortdesc">本文主要介绍如何变更常规实例的计算规格和存储规格。</p> <section class="section prereq" id="Upgrade_Common_Spec__prereq_f1d_xbw_2tb"><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/MySQL/Guide.IM.CIns.CCom" 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RDS-MySQL管理控制台的容量管理变更常规实例规格：</p> </section> <section class="section attention" id="Upgrade_Common_Spec__wm3_l5x_2tb"><div class="tasklabel"><h2 class="doc-tairway">注意事项</h2></div> <ol class="ol" id="Upgrade_Common_Spec__ol_xlr_my2_hsb"> <li class="li">升级或降级计算规格时，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<span class="ph uicontrol">维护时间</span>内变更计算规格，可参考<a class="xref" href="/ssr/help/database/MySQL/Guide.IM.Time_Segment" target="_blank" rel="external noopener">设置维护时间</a>。</li> <li class="li">升级或降级常规实例的计算规格时，会同时变更同城灾备实例的计算规格，若您创建了远程灾备实例，也会同时变更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。</li> <li class="li">升级常规实例的存储规格时，系统不会发生闪断，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。</li> <li class="li">容量变更成功后，会即刻按照新的内存规格或存储规格进行计费。具体计费信息，可参考收费规则：<a class="xref" href="/ssr/help/database/MySQL/Pricing.Billing" target="_blank" rel="external noopener">RDS-MySQL</a>。</li> </ol> </section> <section id="Upgrade_Common_Spec__steps_l1x_p5x_2tb"><div class="tasklabel"><h2 class="doc-tairway">操作步骤</h2></div><ol class="ol steps" id="Upgrade_Common_Spec__steps_l1x_p5x_2tb"><li class="li step stepexpand"> <span class="ph cmd">以资源组管理员身份登录<a class="xref" href="https://www.ocftcloud.com/console/rds/mysql" target="_blank" rel="external noopener">RDS-MySQL管理控制台</a>。</span> </li><li class="li step stepexpand"> <span class="ph cmd">单击左侧导航栏<span class="ph uicontrol">RDS-MySQL</span>，进入<span class="ph uicontrol">云数据库管理</span>页面。</span> </li><li class="li step stepexpand"> <span class="ph cmd">选择目标地域。</span> </li><li class="li step stepexpand"> <span class="ph cmd">单击目标实例<span class="ph uicontrol">操作</span>列的<span class="ph uicontrol">管理</span>，选择<span class="ph uicontrol">容量管理</span>页签。</span> </li><li class="li step stepexpand"> <span class="ph cmd">单击页面下方的<span class="ph uicontrol">变更配置</span>。</span> <div class="itemgroup info"> <ul class="ul" id="Upgrade_Common_Spec__ul_ws4_ry2_hsb"> <li class="li">在<span class="ph uicontrol">计算规格</span>区域，选择需要升级到的内存规格，单击<strong class="ph b">设置</strong>，进入<strong class="ph b">计算规格</strong>页面，单击<strong class="ph b">确定</strong>，进入<strong class="ph b">订单确认</strong>页面，单击<strong class="ph b">确认降配/升配</strong></li> <li class="li">在<span class="ph uicontrol">存储规格</span>区域，拖动滑块，设置需要升级到的存储规格，单击<strong class="ph b">设置</strong>，进入<strong class="ph b">存储规格</strong>页面，单击<strong class="ph b">确定</strong>，进入<strong class="ph b">订单确认</strong>页面，单击<strong class="ph b">确认降配/升配</strong>。</li> </ul> </div> </li><li class="li step stepexpand"> <span class="ph cmd">系统会发送验证码到您账号绑定的手机，填写验证码，并单击<strong class="ph b">确定</strong>。</span> </li></ol></section> <section class="section result" id="Upgrade_Common_Spec__result_xvt_q5x_2tb"><div class="tasklabel"><h2 class="doc-tairway">执行结果</h2></div> <p class="p">在<span class="ph uicontrol">云数据库管理</span>页面，单击目标实例<span class="ph uicontrol">操作</span>列的<span class="ph uicontrol">管理</span>，选择<span class="ph uicontrol">容量管理</span>页签，在<span class="ph uicontrol">容量管理</span>区域，可查看实例的<span class="ph uicontrol">CPU</span>、<span class="ph uicontrol">内存</span>或<span class="ph uicontrol">存储容量</span>为目标值。</p> </section>