id: replica-set name: ReplicaSet full-link: https://kubernetes.io/docs/concepts/workloads/controllers/replicaset/ related: - replication-controller tags: - fundamental - core-object - workload short-description: > ReplicaSet is the next-generation Replication Controller. long-description: > ReplicaSet, like ReplicationController, ensures that a specified number of pods replicas are running at one time. ReplicaSet supports the new set-based selector requirements as described in the labels user guide, whereas a Replication Controller only supports equality-based selector requirements.