aml>apiVersion: networking.istio.io/v1beta1
kind: ProxyConfig
metadata:
  name: my-ns-proxyconfig
  namespace: user-namespace
spec:
  concurrency: 0
</code></pre><p>For workload level configuration, set the <code>selector</code> field on the <code>ProxyConfig</code> resource:</p><pre><code class=language-yaml>apiVersion: networking.istio.io/v1beta1
kind: ProxyConfig
metadata:
  name: per-workload-proxyconfig
  namespace: example
spec:
  selector:
    matchLabels:
      app: ratings
  concurrency: 0
  image: