How to add node to MySql Cluster

I have a MySql Cluster How can I add more nodes to that cluster with less downtime?

I have created the cluster after going through this documentation.

Can anyone help with this query?

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I believe that the best way of adding new servers to the existing cluster would be to follow steps 2 and 3 each time you need to add more servers.

Alternatively, in case that you are looking for a production-ready solution, what I could suggest is checking out the new DigitalOcean managed MySQL clusters:

This would let you add new replicas to your cluster just with a click of a button.

Best, Bobby