starlingx/docs
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docs/doc/source/admintasks/removing-cpu-manager-for-kubernetes.rst
Juanita-Balaraj 0c4aa91ca4 Updated Patch Set 5 to include review comments 
Changed name of file to:
admin-application-commands-and-helm-overrides.rst

Updated Strings.txt

Updated formatting issues:
installing-and-running-cpu-manager-for-kubernetes.rst

Updated Patch Set 4 to include review comments

Admin Tasks Updated

Changed name of include file to:
isolating-cpu-cores-to-enhance-application-performance.rest

Change-Id: I0b354dda3c7f66da3a5d430839b5007a6a19cfad
Signed-off-by: Juanita-Balaraj <juanita.balaraj@windriver.com>
Signed-off-by: Stone <ronald.stone@windriver.com>
Signed-off-by: Juanita-Balaraj <juanita.balaraj@windriver.com>
2021-01-11 23:40:36 -05:00

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Remove CPU Manager for Kubernetes

You can uninstall CMK by removing related Helm charts in the reverse order of their installation.

  1. Delete cmk manager.

    1. Run the helm delete command.

      ~(keystone)admin)$ helm delete --purge
release "cpu-manager" deleted

    2. Ensure that any pods in the Terminating state have deleted before proceeding to the next step. The pods being terminated are in the kube-system namespace.

      For example:

      ~(keystone)admin)$ kubectl get pods -n kube-system | grep cmk
cmk-setup 0/1 Completed 0 71m
cmk-uninstall-2z29p 0/1 ContainerCreating 0 4s
cmk-webhook-deployment-778c787679-7bpw2 1/1 Running 0 71m
cpu-manager-k8s-cmk-compute-0-5621f953-pchjr 3/3 Terminating 0 38
~(keystone)admin)$ kubectl get pods -n kube-system | grep cmk
cmk-setup 0/1 Completed 0 72m
cmk-webhook-deployment-778c787679-7bpw2 1/1 Running 0 72m

  2. Delete cmk-manager-webhook.

    1. Run the helm delete command.

      ~(keystone)admin)$ helm delete cmk-webhook --purge

    2. Ensure that any pods in the Terminating state have been deleted before proceeding to the next step.

      ~(keystone)admin)$ kubectl get pods -n kube-system | grep cmk
cmk-uninstall-webhook 0/1 Completed 0 11s
cmk-webhook-deployment-778c787679-7bpw2 1/1 Terminating 0 73m
~(keystone)admin)$ kubectl get pods -n kube-system | grep cmk
cmk-uninstall-webhook 0/1 Completed 0 49s

  3. Delete cmk-manager-init. Run the helm delete command.

    ~(keystone)admin)$ helm delete cmk-manager-init --purge
release "cpu-manager-init" deleted

The CPU Manager for Kubernetes is now deleted.

Uninstall CPU Manager for Kubernetes on IPv6 <uninstalling-cpu-manager-for-kubernetes-on-ipv6>