<2>   CPU  와  Memory Quota  설정

1
cat << EOF > cpu-mem-quota.yaml
apiVersion: v1
kind: ResourceQuota
metadata:
  name: cpu-mem-quota
  namespace: front-a
spec:
  hard:
    limits.cpu: "4"
    limits.memory: "12Gi"
    requests.cpu: "2"
    requests.memory: "8Gi"
EOF

kubectl create -f cpu-mem-quota.yaml

[topasseoseo1@instance-4 ~]$ kubectl create -f cpu-mem-quota.yaml
resourcequota/cpu-mem-quota created

[topasseoseo1@instance-4 ~]$ kubectl get pods
NAME           READY   STATUS    RESTARTS   AGE
app-server     1/1     Running   0          42m
app-server-2   1/1     Running   0          13m



2
cat << EOF > cpu-mem-demo-pod.yaml
apiVersion: v1
kind: Pod
metadata:
  name: cpu-mem-demo
  namespace: front-a
spec:
  containers:
  - name: cpu-mem-demo-ctr
    image: nginx
    resources:
      requests:
        cpu: "100m"
        memory: "128Mi"
      limits:
        cpu: "400m"
        memory: "512Mi"
EOF


kubectl create -f cpu-mem-demo-pod.yaml --namespace=front-a

[topasseoseo1@instance-4 ~]$ kubectl get pods
NAME           READY   STATUS    RESTARTS   AGE
app-server     1/1     Running   0          49m
app-server-2   1/1     Running   0          20m
cpu-mem-demo   1/1     Running   0          15s



3
kind: ResourceQuota 의 cpu-mem-quota   라는 쿼터 이름이다.

kubectl describe quota cpu-mem-quota --namespace=front-a

[topasseoseo1@instance-4 ~]$ kubectl describe quota cpu-mem-quota --namespace=front-a
Name:            cpu-mem-quota
Namespace:       front-a
Resource         Used   Hard
--------         ----   ----
limits.cpu       400m   4
limits.memory    512Mi  12Gi
requests.cpu     100m   2
requests.memory  128Mi  8Gi