der.</p><pre><code class=language-yaml data-expandlinks=true data-repo=istio>apiVersion: install.istio.io/v1alpha1
kind: IstioOperator
spec:
  meshConfig:
    defaultConfig:
      tracing:
        custom_tags:
          my_tag_header:
            header:
              name: &lt;CLIENT-HEADER&gt;
              defaultValue: &lt;VALUE&gt;      # optional
</code></pre></li></ol><h2 id=customizing-tracing-tag-length>Customizing tracing tag length</h2><p>By default, the maximum length for the request path includ