Resources

• What resources do I need to maintain a Kubernetes cluster with a group of, say, three nodes?

• Can I change resources for each node in a Kubernetes cluster?

• Who handles Kubernetes cluster scaling?

• Do the Kubernetes cluster nodes need internet access?

What resources do I need to maintain a Kubernetes cluster with a group of, say, three nodes?What resources do I need to maintain a Kubernetes cluster with a group of, say, three nodes?

Each node needs resources to run the Kubernetes components that allow the node to work as part of the Kubernetes cluster. For more information, see Dynamic resource allocation.

Can I change resources for each node in a Kubernetes cluster?Can I change resources for each node in a Kubernetes cluster?

You can only change resources for a node group. You can create groups with different configurations in a single Kubernetes cluster and spread them across multiple availability zones. For more information, see Updating a Managed Service for Kubernetes node group.

Who handles Kubernetes cluster scaling?Who handles Kubernetes cluster scaling?

In Managed Service for Kubernetes, you can enable cluster autoscaling.

Do the Kubernetes cluster nodes need internet access?Do the Kubernetes cluster nodes need internet access?

To connect to external resources, e.g., Docker image registries such as Container Registry, Cloud Registry, or Docker Hub as well as Object Storage buckets, the group nodes must have internet access.

To enable internet access, assign a public IP address to the nodes and configure a security group. As an alternative to public IP addresses, you can also create and configure a NAT gateway or a NAT instance in the subnet hosting the nodes.

For more information, see Internet access for cluster worker nodes.