��到每个 span 中。</p><pre><code class=language-yaml data-expandlinks=true data-repo=istio>apiVersion: telemetry.istio.io/v1alpha1
kind: Telemetry
metadata:
  name: mesh-default
  namespace: istio-system
spec:
  tracing:
    - providers:
        - name: &#34;zipkin&#34;
    randomSamplingPercentage: 100.00
    customTags:
      &#34;provider&#34;:
        literal:
          value: &#34;zipkin&#34;
</code></pre></li><li><p>环境变量可以用于从工作负载代理环境中自定义标签。</p><pre>