Cluster Node
Noun · Development
Definitions
An individual machine or runtime instance that participates in a larger cluster. Cluster nodes may carry workloads, hold data, or contribute to control-plane functions depending on the architecture of the clustered system.
In plain English: A single machine or instance that is part of a cluster.
Example: "One cluster node kept failing health checks because its local disk throughput was lower than the others, causing replica lag."