te.
You set this rate when you install Istio. The default sampling rate is 1%. You need to send at least 100 requests before the first trace is visible.
To send a 100 requests to the <code>productpage</code> service, use the following command:</p><pre><code class=language-bash data-expandlinks=true data-repo=istio>$ for i in $(seq 1 100); do curl -s -o /dev/null &#34;http://$GATEWAY_URL/productpage&#34;; done
</code></pre></li><li><p>From the left-hand pane of the dashboard, select <code>productpage.default