Scaling up a NiFi cluster
You have a NiFi cluster and you want to increase the throughput by adding new nodes to your NiFi cluster.
- Log into CDP Public Cloud UI.
- Go to .
Select the datahub cluster where your NiFi flow is running.
If you go to the NiFi UI by clicking NiFi, you can check the current number of NiFi nodes in your cluster, as shown in the following image:
Click Actions, and select
The Cluster Resize window appears.
Select your hostgroup from the dropdown, increase the number of nodes by
clicking the + icon, and then click
It takes some time for the change to take place. In the NiFi UI you can see when the upscale event is completed and the new nodes are added to the NiFi cluster.
Restart the NiFi and NiFi Registry services from the Cloudera Manager UI after
you see the new nodes are connected to the NiFi cluster from the NiFi UI.
Go to the Cloudera Manager UI by clicking the
The Cloudera Manager UI appears.
- Restart both NiFi and NiFi Registry services.
- Go to the Cloudera Manager UI by clicking the CM-UI link.