The pay-as-you-go billing method lets you create a database cluster without paying upfront. You are billed for the compute and storage services that you use. the cluster's compute nodes and storage space are billed by the hour based on your actual data volume. Fees are deducted from your account hourly.
Scenarios
If your business workload is small and has infrequent, minor fluctuations, you can purchase a pay-as-you-go cluster. You are billed based on the actual usage of the compute nodes.
How to purchase
To purchase a pay-as-you-go cluster, see Purchase a pay-as-you-go cluster.
If you have a subscription cluster and want to change its billing method to pay-as-you-go, see Change the billing method for computing: Subscription to pay-as-you-go.