9.18.13. Tune the control plane

Prerequisites

• You have installed the OpenShift CLI (oc).

Procedure

• Apply the following patch to enable the highBurst tuning policy profile:

  $ oc patch hyperconverged kubevirt-hyperconverged -n openshift-cnv \
    --type=json -p='[{"op": "add", "path": "/spec/tuningPolicy", \
    "value": "highBurst"}]'

Verification

• Run the following command to verify the highBurst tuning policy profile is enabled:

  $ oc get kubevirt.kubevirt.io/kubevirt-kubevirt-hyperconverged \
    -n openshift-cnv -o go-template --template='{{range $config, \
    $value := .spec.configuration}} {{if eq $config "apiConfiguration" \
    "webhookConfiguration" "controllerConfiguration" "handlerConfiguration"}} \
    {{"\n"}} {{$config}} = {{$value}} {{end}} {{end}} {{"\n"}}