Microservices Deployment Strategies: Node-Level Workloads
DaemonSet: A Special Type of Controller
A DaemonSet is a resource controller that guarantees that a specific Pod runs on all nodes. You will have 1 and only 1 replica of the Pod on each node. When a new node is added to the cluster, the DaemonSet automatically schedules the specified Pod on that node. When a node is removed, it ensures that the Pod is also removed from that node.
At any given time, if you have N nodes in your cluster, you will have N replicas of the Pod, and each replica will be running on a different node.
How a DaemonSet Works
DaemonSets are typically used for node-level services such as:
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