ExpertMedium1 markMultiple Choice
GCP ACE · Question 35 · Domain 4.2: Managing GKE resources
Your GKE cluster is running out of compute capacity. You need to manually increase the number of nodes in the 'default-pool' from 3 to 5.
Which command should you use?
Your GKE cluster is running out of compute capacity. You need to manually increase the number of nodes in the 'default-pool' from 3 to 5.
Which command should you use?
Answer options:
A.
kubectl scale node-pool default-pool --replicas=5
B.
gcloud compute instance-groups managed resize default-pool --size=5
C.
gcloud container clusters resize [CLUSTER_NAME] --node-pool=default-pool --num-nodes=5
D.
kubectl resize cluster [CLUSTER_NAME] --nodes=5
How to approach this question
Remember that cluster infrastructure (nodes) is managed by gcloud, while workloads (pods) are managed by kubectl.
Full Answer
C.gcloud container clusters resize [CLUSTER_NAME] --node-pool=default-pool --num-nodes=5✓ Correct
To change the size of a GKE node pool, you use the `gcloud container clusters resize` command. You specify the cluster name, the target node pool, and the new number of nodes. You should not use `kubectl` or direct Compute Engine MIG commands for this.
Common mistakes
Trying to use `kubectl scale`, which is for scaling application pods, not infrastructure nodes.
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