pre><h3 id=step-3-install-istio>Step 3: Install Istio</h3><p>Create an install configuration for Istio, notice that we assign 4 CPUs and 1 DLB device to ingress gateway and set concurrency as 4, which is equal to the CPU number.</p><pre><code class=language-bash data-expandlinks=true data-repo=istio>$ cat &gt; config.yaml &lt;&lt; EOF
apiVersion: install.istio.io/v1alpha1
kind: IstioOperator
spec:
  profile: default
  components:
    ingressGateways:
    - enabled: true
      name: istio-ingressgateway
    