spans</code></td><td></td><td>Whether or not to log trace spans.</td></tr><tr><td><code>--trace_sampling_rate &lt;float&gt;</code></td><td></td><td>Sampling rate for generating trace data. Must be a value in the range [0.0, 1.0]. (default `0`)</td></tr><tr><td><code>--trace_zipkin_url &lt;string&gt;</code></td><td></td><td>URL of Zipkin collector (example: &#39;http://zipkin:9411/api/v1/spans&#39;). (default ``)</td></tr></tbody></table><h2 id=mixc-report>mixc report</h2><p>The Report method is used to prod