Scaling your cluster
You can add more computing capacity and/or storage to your cluster by scaling your cluster. This can be done by going to the cluster “Settings” tab, choosing your scaling preferences like number of nodes and clicking “Add Node(s)”.
A cluster scaling operation takes around 15-30 minutes irrespective of the number of nodes you are adding. All existing apps are expected to function normally when a cluster is being scaled up. You will see the status of the cluster scaling operation in the “Settings” tab.
You will get a “Cluster
NOTE that there is currently no provision to scale down a cluster(i.e., remove a node). This is a WIP feature and not generally available.