<p class="shortdesc">您可以通过配置流控规则实现对网关的流量控制。</p> <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"><span class="ph" id="Add_Flow_control_rules__d21e23">登录应用管理与运维平台。</span></span> </li><li class="li step stepexpand"> <span class="ph cmd">在左侧导航栏中，选择<span class="keyword wintitle">微服务网关</span>。</span> </li><li class="li step stepexpand" id="Add_Flow_control_rules__step_jrl_hjl_fsb"> <span class="ph cmd">选择<span class="keyword wintitle">流控规则</span>页签。</span> </li><li class="li step stepexpand"> <span class="ph cmd">在<span class="keyword wintitle">流控规则</span>页签，单击页面右上角的<span class="ph uicontrol">新增规则</span>。</span> </li><li class="li step stepexpand"> <span class="ph cmd">在<span class="keyword wintitle">新增网关流控规则</span>页面，填写配置信息。</span> <div class="itemgroup info"><img class="image" id="Add_Flow_control_rules__image_n2y_sxc_csb" src="https://obs-cn-shanghai.fincloud.pinganyun.com/pacloud/20220910180811-1afab4e19c02.png"><div class="p"> <table class="table frame-all" id="Add_Flow_control_rules__table_u1k_5xc_csb"><caption><span class="table--title-label">表1 </span><span class="title"></span></caption><colgroup><col style="width:26.595744680851062%"><col style="width:73.40425531914893%"></colgroup><thead class="thead"> <tr class="row"> <th class="entry colsep-1 rowsep-1" id="Add_Flow_control_rules__table_u1k_5xc_csb__entry__1">配置项</th> <th class="entry colsep-1 rowsep-1" id="Add_Flow_control_rules__table_u1k_5xc_csb__entry__2">说明</th> </tr> </thead><tbody class="tbody"> <tr class="row"> <td class="entry colsep-1 rowsep-1" headers="Add_Flow_control_rules__table_u1k_5xc_csb__entry__1 "> <p class="p">路由ID</p> </td> <td class="entry colsep-1 rowsep-1" headers="Add_Flow_control_rules__table_u1k_5xc_csb__entry__2 "> <p class="p">选择路由ID。</p> </td> </tr> <tr class="row"> <td class="entry colsep-1 rowsep-1" headers="Add_Flow_control_rules__table_u1k_5xc_csb__entry__1 "> <p class="p">参数属性</p> </td> <td class="entry colsep-1 rowsep-1" headers="Add_Flow_control_rules__table_u1k_5xc_csb__entry__2 "> <p class="p">选择流控规则的参数属性，支持Client IP、Romote HOST、Header、URL参数和none。</p> </td> </tr> <tr class="row"> <td class="entry colsep-1 rowsep-1" headers="Add_Flow_control_rules__table_u1k_5xc_csb__entry__1 "> <p class="p">阈值类型</p> </td> <td class="entry colsep-1 rowsep-1" headers="Add_Flow_control_rules__table_u1k_5xc_csb__entry__2 "> <p class="p">选择流控阈值类型，支持QPS和线程数。</p> </td> </tr> <tr class="row"> <td class="entry colsep-1 rowsep-1" headers="Add_Flow_control_rules__table_u1k_5xc_csb__entry__1 "> <p class="p">QPS阈值</p> </td> <td class="entry colsep-1 rowsep-1" headers="Add_Flow_control_rules__table_u1k_5xc_csb__entry__2 "> <p class="p">阈值类型选择<span class="ph uicontrol">QPS</span>时，需要配置QPS阈值。超过阈值时将进行流量控制。</p> </td> </tr> <tr class="row"> <td class="entry colsep-1 rowsep-1" headers="Add_Flow_control_rules__table_u1k_5xc_csb__entry__1 "> <p class="p">阈值间隔</p> </td> <td class="entry colsep-1 rowsep-1" headers="Add_Flow_control_rules__table_u1k_5xc_csb__entry__2 "> <p class="p">阈值类型选择<span class="ph uicontrol">QPS</span>时，需要配置QPS阈值间隔。</p> </td> </tr> <tr class="row"> <td class="entry colsep-1 rowsep-1" headers="Add_Flow_control_rules__table_u1k_5xc_csb__entry__1 "> <p class="p">线程数</p> </td> <td class="entry colsep-1 rowsep-1" headers="Add_Flow_control_rules__table_u1k_5xc_csb__entry__2 "> <p class="p">阈值类型选择<span class="ph uicontrol">线程数</span>时，需要配置线程数阈值。超过阈值时将进行流量控制。</p> </td> </tr> <tr class="row"> <td class="entry colsep-1 rowsep-1" headers="Add_Flow_control_rules__table_u1k_5xc_csb__entry__1 "> <p class="p">流控方式</p> </td> <td class="entry colsep-1 rowsep-1" headers="Add_Flow_control_rules__table_u1k_5xc_csb__entry__2 "> <div class="p">流控方式支持快速失败和匀速排队。<ul class="ul" id="Add_Flow_control_rules__ul_ybs_wgl_fsb"> <li class="li">快速失败：流量超过阈值时，新的请求就会被立即拒绝</li> <li class="li">匀速排队：流量超过阈值时，新的请求将以均匀的速度排队通过。</li> </ul></div> </td> </tr> <tr class="row"> <td class="entry colsep-1 rowsep-1" headers="Add_Flow_control_rules__table_u1k_5xc_csb__entry__1 "> <p class="p">Burst size</p> </td> <td class="entry colsep-1 rowsep-1" headers="Add_Flow_control_rules__table_u1k_5xc_csb__entry__2 "> <p class="p">流控方式选择<span class="ph uicontrol">快速失败</span>时，配置Burst size值，针对突发请求额外允许的请求数目。</p> </td> </tr> <tr class="row"> <td class="entry colsep-1 rowsep-1" headers="Add_Flow_control_rules__table_u1k_5xc_csb__entry__1 "> <p class="p">超时时间</p> </td> <td class="entry colsep-1 rowsep-1" headers="Add_Flow_control_rules__table_u1k_5xc_csb__entry__2 "> <p class="p">流控方式选择<span class="ph uicontrol">匀速排队</span>时，配置超时时间，超出最大排队时间的请求将会直接被拒绝。</p> </td> </tr> </tbody></table> </div></div> </li><li class="li step stepexpand"> <span class="ph cmd">完成后，单击<span class="ph uicontrol">确定</span>。</span> </li></ol></section>