Hey, 

Are you using the zookeeper internally or an external one. I think you need to 
check at least two things: 

* Zookeeper connections. The node needs to register into zookeeper. 
* The node needs to connect to the cluster and replicate the flow files let’s 
say so. 


Overall scaling up is ok, but scaling down it’s complicated you need to make 
sure that you disable the node and remove it from the cluster. You cannot 
simple tear it down as it has state. 

Mit freundlichen Grüßen 
Jorge  

> On 11. Apr 2022, at 15:19, James McMahon <jsmcmah...@gmail.com> wrote:
> 
> A nifi cluster has been created using a CloudFormation script. The cluster is 
> running, and the customer now wishes to scale up the cluster by adding a 
> node. What is the optimal way to add a node to a running nifi cluster 
> established through CloudFormation? My instinct tells me to do it within the 
> confines of CloudFormation so that the new node isn't lost if CloudFormation 
> is re-run. But does that mean the active cluster needs to be shutdown just to 
> modify the CloudFormation scripts and restart it with the new cluster 
> configuration?
> 
> Has anyone successfully done this, and can offer some tips or a link to an 
> outline of the process?

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