To modify the cgroup CPU limit for a pod, you need to edit the resource limits in the pod’s YAML file. Here are the steps:
- Use the
kubectl editcommand to open the pod’s YAML file in your default editor.
kubectl edit pod <pod-name>
- In the YAML file, locate the
resourcessection underspec. If it doesn’t exist, add it.
apiVersion: v1
kind: Pod
metadata:
name: my-pod
spec:
containers:
- name: my-container
image: my-image
resources:
limits:
cpu: "1"
Modify the
cpuvalue underlimitsto set the desired CPU limit for the container(s) in the pod. The value is specified as a fractional number of CPU cores (e.g., “0.5” for half a core).Save and close the YAML file.
Kubernetes will automatically apply these changes to the running pod and adjust its cgroup CPU limit accordingly.
Note that modifying cgroup limits may require privileged access or special configuration on some Kubernetes installations. Consult your cluster administrator if you encounter any issues or have questions about configuring cgroup limits in your environment.
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