<p class="shortdesc">本文主要介绍如何查看参数修改历史。</p> <section class="section prereq" id="history__prereq_vnt_tfk_m5b"><div class="tasklabel"><h2 class="doc-tairway">前提条件</h2></div> <p class="p">已成功修改任意参数的取值，可参考<a class="xref" href="/ssr/help/database/RASESQL/User_Guide_for_RDS_PostgreSQL.parameter.Revise2" target="_blank" rel="external noopener">修改参数</a>或<a class="xref" href="/ssr/help/database/RASESQL/User_Guide_for_RDS_PostgreSQL.parameter.import" target="_blank" rel="external noopener">导入参数</a>。</p> </section> <section class="section context"><div class="tasklabel"><h2 class="doc-tairway">背景信息</h2></div> <p class="p">当发生故障需要定位某个参数取值的修改情况时，您可以通过控制台查看参数的修改历史。</p> </section> <section><div class="tasklabel"><h2 class="doc-tairway">操作步骤</h2></div><ol class="ol steps"><li class="li step stepexpand"> <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 stepexpand"> <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 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<strong class="ph b">操作</strong>列的<strong class="ph b">管理</strong>，选择<strong class="ph b">参数管理</strong>页签。</span> </li><li class="li step stepexpand"> <span class="ph cmd">选择<strong class="ph b">修改历史</strong>，查看此账号下所有参数的修改历史。 </span> <div class="itemgroup info"> <table class="table" id="history__table_gks_xfk_m5b"><caption></caption><colgroup><col><col></colgroup><thead class="thead"> <tr class="row"> <th class="entry" id="history__table_gks_xfk_m5b__entry__1"> <p class="p">配置项</p> </th> <th class="entry" id="history__table_gks_xfk_m5b__entry__2"> <p class="p">说明</p> </th> </tr> </thead><tbody class="tbody"> <tr class="row"> <td class="entry" headers="history__table_gks_xfk_m5b__entry__1 "> <p class="p">参数名</p> </td> <td class="entry" headers="history__table_gks_xfk_m5b__entry__2 "> <p class="p">修改取值的参数名称。</p> </td> </tr> <tr class="row"> <td class="entry" headers="history__table_gks_xfk_m5b__entry__1 "> <p class="p">变更前的参数</p> </td> <td class="entry" headers="history__table_gks_xfk_m5b__entry__2 "> <p class="p">参数修改前的取值。</p> </td> </tr> <tr class="row"> <td class="entry" headers="history__table_gks_xfk_m5b__entry__1 "> <p class="p">变更后的参数</p> </td> <td class="entry" headers="history__table_gks_xfk_m5b__entry__2 "> <p class="p">参数修改后的取值。</p> </td> </tr> <tr class="row"> <td class="entry" headers="history__table_gks_xfk_m5b__entry__1 "> <p class="p">是否生效</p> </td> <td class="entry" headers="history__table_gks_xfk_m5b__entry__2 "> <p class="p">本次修改是否生效。目前支持：</p> <ul class="ul" id="history__ul_a2q_zfk_m5b"> <li class="li"> <p class="p">已生效：变更后参数即为此参数的当前取值。</p> </li> <li class="li"> <p class="p">历史值：此参数的历史取值。</p> </li> </ul> </td> </tr> <tr class="row"> <td class="entry" headers="history__table_gks_xfk_m5b__entry__1 "> <p class="p">变更时间</p> </td> <td class="entry" headers="history__table_gks_xfk_m5b__entry__2 "> <p class="p">参数变更的时间。</p> </td> </tr> </tbody></table> </div> </li></ol></section>