d, the value specified in the <code>MeshConfig</code> will override any other setting.</p></div></aside></div><p>To modify the default random sampling to 50, add the following option to your
<code>tracing.yaml</code> file.</p><pre><code class=language-yaml data-expandlinks=true data-repo=istio>apiVersion: install.istio.io/v1alpha1
kind: IstioOperator
spec:
  meshConfig:
    defaultConfig:
      tracing:
        sampling: 50
</code></pre><p>The sampling rate should be in the range of 0.0 to 100.0 with a prec