GKE 节点池无法扩展

Question

I have a GKE cluster which doesn't scale up when a particular deployment needs more resources. I've checked the cluster autoscaler logs and it has entries with this error: no.scale.up.nap.pod.zonal.resources.exceeded . The documentation for this error says:

Node auto-provisioning did not provision any node group for the Pod in this zone because doing so would violate resource limits.

I don't quite understand which resource limits are mentiond in the documentation and why it prevents node-pool from scaling up?

If I scale cluster up manually - deployment pods are scaled up and everything works as expected, so, seems it's not a problem with project quotas.

Answer 1

• Limits for clusters that you define are enforced based on the total CPU and memory resources used across your cluster, not just auto-provisioned pools.

• When you are not using node auto provisioning (NAP), disable node auto provisioning feature for the cluster.

• When you are using NAP, then update the cluster wide resource limits defined in NAP for the cluster.

• Try a workaround by specifying the machine type explicitly in the workload spec. Ensure to use a supported machine family with GKE node auto-provisioning