l go to the two <code>us-west</code> backends.
If one those backends become unhealthy, all traffic will go to the remaining endpoint in <code>us-west</code>.
If that backend becomes unhealthy, traffic will sent to <code>us-east</code>.</li>
</ul>
</td>
    </tr>
  </tbody>
</table>
<h2 id="PrometheusMergeMetrics">prometheus.istio.io/merge-metrics</h2>
<table class="annotations">
  <tbody>
    <tr>
      <th>Name</th>
      <td><code>prometheus.istio.io/merge-metrics</code></td>
    </tr>
    <tr>
      <th>