 配置替换上述配置：</p><pre><code class=language-yaml data-expandlinks=true data-repo=istio>apiVersion: telemetry.istio.io/v1
kind: Telemetry
metadata:
  name: namespace-metrics
spec:
  metrics:
  - providers:
    - name: prometheus
    overrides:
    - match:
        metric: REQUEST_COUNT
      mode: SERVER
      tagOverrides:
        destination_port:
          value: &#34;string(destination.port)&#34;</code></pre><h3 id=use-wasmplugin-api-for-wasm-extensibility>使用 WasmPlugin API 扩展 Wasm 