Question

Your operations team needs to deploy a log-collection agent that must run exactly one instance on every worker node in the cluster, including any nodes added later through autoscaling. Which Kubernetes workload resource is designed to satisfy this requirement automatically?

Accepted Answer

A DaemonSet, which ensures a copy of the Pod runs on each matching node

Answer

A Deployment with the replica count set equal to the current number of nodes

Answer

A ReplicaSet with a nodeSelector targeting all worker nodes

Answer

A StatefulSet, which gives each node a stable, ordered Pod identity