istio>apiVersion: networking.istio.io/v1alpha3
kind: DestinationRule
metadata:
  name: reviews
spec:
  host: reviews
  trafficPolicy:
    connectionPool:
      tcp:
        maxConnections: 100
  subsets:
  - name: v1
    labels:
      version: v1
</code></pre><p>Or, better yet, define a proper route rule for the service in the <code>VirtualService</code> definition.
For example, add a simple route rule for &ldquo;reviews:v1&rdquo;:</p><pre><code class=language-yaml data-expandlinks=true data-repo=istio>apiV