task-025-resource-requirement-and-limits

A pod named 'rabbit' is deployed. Identify the CPU requirements set on the Pod

$ kubectl get pod rabbit -o yaml | grep -A 4 resource
    resources:
      limits:
        cpu: "2"
      requests:
        cpu: "1"

The status 'OOMKilled' indicates that the pod ran out of memory. Identify the memory limit set on the POD.

The elephant runs a process that consume 15Mi of memory. Increase the limit of the elephant pod to 20Mi.

• Generate the yaml

$ kubectl get pod elephant -o yaml > pod.yaml

• Edit the file

$ cat pod.yaml | grep -A 4 resources
    resources:
      limits:
        memory: 20Mi
      requests:
        memory: 5Mi

• Delete the pod

$ kubectl delete pod elephant
pod "elephant" deleted

• Create the pod again

$ kubectl apply -f pod.yaml
pod/elephant created