Scaling up or down a NiFi cluster You can scale up or down a NiFi cluster based on your requirement by adding or removing nodes respectively. Scaling up a NiFi clusterYou have a NiFi cluster and you want to increase the throughput by adding new nodes to your NiFi cluster.Scaling down a NiFi clusterYou can also remove nodes from your NiFi cluster for cost optimization. For example, scale down the NiFi cluster when there is less data to be processed in order to save infrastructure costs.