Stop the AWS instances (optional)
After you have removed one or more nodes from your cluster, to save costs associated with running instances, you can choose to stop the AWS instances that were previously part of your cluster.
After you have removed one or more nodes from your cluster, to save costs associated with running instances, you can choose to stop the AWS instances that were previously part of your cluster.
To stop an instance in AWS:
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On AWS, navigate to your Instances page.
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Right-click the instance, and choose Stop.
This step is optional because, after you have removed the node from your Vertica cluster, Vertica no longer sees the node as part of the cluster, even though it is still running within AWS.