Container has no CPU limit Affecting Deployment service in Kubernetes
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CIS-ControlsCSA-CCM
- Snyk IDSNYK-CC-K8S-5
- creditSnyk Research Team
Description
CPU limits can prevent containers from consuming valuable compute time for no benefit (e.g. inefficient code) that might lead to unnecessary costs. It is advisable to also configure CPU requests to ensure application stability.
How to fix?
Add resources.limits.cpu field with required CPU limit value
Add spec.container.resources.limits.cpu field with required CPU limit value
References
- https://kubernetes.io/docs/tasks/configure-pod-container/assign-cpu-resource/
- https://kubernetes.io/docs/concepts/configuration/manage-resources-containers/
- https://kubernetes.io/docs/tasks/administer-cluster/manage-resources/cpu-default-namespace/
- https://github.com/kubernetes/design-proposals-archive/blob/8da1442ea29adccea40693357d04727127e045ed/node/resource-qos.md#compressible-resource-guaranteess