��，
并为 Kubernetes Gateway Pod 使用 <code>targetRef</code> 字段。
否则，此策略将不会生效。</p><p>以下是一个例子：</p><pre><code class=language-yaml data-expandlinks=true data-repo=istio>apiVersion: telemetry.istio.io/v1alpha1
kind: Telemetry
metadata:
  name: telemetry-example
  namespace: default
spec:
  tracing:
  - randomSamplingPercentage: 10.00
  targetRef:
    group: gateway.networking.k8s.io
    kind: Gateway
    name: bookinfo-gateway
</code></pre></article><nav class=p