OCP SNO Hugepages

SNO-HugePages

---
apiVersion: tuned.openshift.io/v1
kind: Tuned
metadata:
  name: sno-hugepages-patch
  namespace: openshift-cluster-node-tuning-operator
spec:
  profile:
    - data: |
        [main]
        summary=Configuration changes profile inherited from performance created tuned
        include=openshift-node-performance-sno-control-plane
        [bootloader]
        cmdline_crash=nohz_full=2-13,16-27,30-41,44-55
        [sysctl]
        kernel.timer_migration=1
        [service]
        service.stalld=start,enable
      name: sno-hugepages-patch
  recommend:
  - machineConfigLabels:
      machineconfiguration.openshift.io/role: "master"
    priority: 30
    profile: sno-hugepages-patch
---
apiVersion: performance.openshift.io/v2
kind: PerformanceProfile
metadata:
  name: sno-control-plane
spec:
  additionalKernelArgs:
    - rcupdate.rcu_normal_after_boot=0
    - efi=runtime
  cpu:
    isolated: '2-13,16-27,30-41,44-55'
    reserved: '0-1,14-15,28-29,42-43'
  hugepages:
    defaultHugepagesSize: 2M
    pages:
      - count: 4096
        node: 0
        size: 2M
      - count: 4096
        node: 1
        size: 2M
  machineConfigPoolSelector:
    pools.operator.machineconfiguration.openshift.io/master: ''
  nodeSelector:
    node-role.kubernetes.io/master: ''
  numa:
    topologyPolicy: restricted
  realTimeKernel:
    enabled: false