AWS CloudFormation: Resize a Redshift cluster

Question

How to resize the redshift cluster using cloudformation and keep the cluster name? Is there an example?

Answer 1

If you read the user guide of the AWS::Redshift::Cluster , you will find a property called NumberOfNodes . The last line of its declaration is important if you intend to modify the property:

Update requires: No interruption

If you follow that link you will find that:

AWS CloudFormation updates the resource without disrupting operation of that resource and without changing the resource's physical ID

Consequently, you can change the size of the cluster in the cloud formation template, submit it (either using the AWS console or the AWS CLI) and the cluster will be resized accordingly.