ion_service_name=&#34;reviews&#34;}
</code></pre></li><li><p>在过去5分钟内， <code>reviews</code> 微服务实例中的所有请求的<a href=https://prometheus.io/docs/prometheus/latest/querying/functions/#rate>请求速率</a>：</p><pre><code class=language-plain data-expandlinks=true data-repo=istio>rate(istio_requests_total{destination_service_namespace=&#34;tutorial&#34;, reporter=&#34;destination&#34;,destination_service_name=&#34;reviews&#34;}[5m])
</code></pre></li></ol></li></ol><p>上面�