CPU limits not set

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Metadata

Id: 4ac0e2b7-d2d2-4af7-8799-e8de6721ccda

Cloud Provider: k8s

Framework: Kubernetes

Severity: Low

Category: Resource Management

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Description

CPU limits should be set to ensure fair resource allocation and prevent containers from consuming excessive CPU.

Compliant Code Examples

apiVersion: v1
kind: Pod
metadata:
  name: frontend
spec:
  containers:
  - name: app
    image: images.my-company.example/app:v4
    resources:
      limits:
        cpu: "500m"

  - name: log-aggregator
    image: images.my-company.example/log-aggregator:v6
    resources:
      requests:
        memory: "64Mi"
        cpu: "250m"
      limits:
        memory: "128Mi"
        cpu: "500m"

Non-Compliant Code Examples

apiVersion: v1
kind: Pod
metadata:
  name: frontend
spec:
  containers:
    - name: app
      image: images.my-company.example/app:v4
      resources:
        limits:
          memory: "64Mi"
    - name: log-aggregator
      image: images.my-company.example/log-aggregator:v6
      resources:
        requests:
          memory: "64Mi"
          cpu: "250m"
---
apiVersion: serving.knative.dev/v1
kind: Configuration
metadata:
  name: dummy-config
  namespace: knative-sequence
spec:
  template:
    spec:
      containers:
        - name: app
          image: images.my-company.example/app:v4
          resources:
            limits:
              memory: "64Mi"
        - name: log-aggregator
          image: images.my-company.example/log-aggregator:v6
          resources:
            requests:
              memory: "64Mi"
              cpu: "250m"