equest_duration_milliseconds_bucket{reporter=&#34;source&#34;}[1m]))
        by (
          destination_canonical_service,
          destination_workload_namespace,
          source_canonical_service,
          source_workload_namespace,
          le
        )
      )</code></pre><p>Prometheus 生产实例可以从 Istio 实例那里得到的信息更新联邦：</p><ul><li><p>匹配字句 <code>{__name__=~"istio:(.*)"}</code></p></li><li><p>重新将指标标签为：<code>regex: "istio:(.*)"</code></p></l