kubectl-scale

Set a new size for a deployment, replica set, replication controller, or stateful set.

Scale a replica set

$ kubectl scale --replicas=[number_of_replicas] rs/[replica_name]

Scale a resource identified by a file

$ kubectl scale --replicas=[number_of_replicas] -f [path/to/file.yml]

Scale a deployment based on current number of replicas

$ kubectl scale --current-replicas=[current_replicas] --replicas=[number_of_replicas] deployment/[deployment_name]