The following are the types of Kubernetes node used by Domino:
- Platform nodes
Platform nodes, labeled with
dominodatalab.com/platform-node: true, host the always-on components of the Domino application, including the frontends, API server, authentication service, and supporting metadata services. These nodes host a fixed collection of persistent pods.
- Compute nodes
Compute nodes, labeled with
dominodatalab.com/node-pool:<node name>, host user jobs and published Domino Models and Apps. The workload hosted by these nodes will change with user demand, and using an elastic cloud cluster will allow for automatic scaling of this pool to meet the needs of active users.
See Architecture to learn more.
Domino recommends that you have a separate Node Pool for Platform and Compute nodes. This is not always possible, but is preferred. Domino does set resource limits and requests, so they can’t overwhelm individual nodes.