Amazon Redshift
Database Developer Guide (API Version 2012-12-01)

Section 5: Cleaning Up Your Resources

Your cluster continues to accrue charges as long as it is running. When you have completed this tutorial, you should return your environment to the previous state by following the steps in Step 6: Find Additional Resources and Reset Your Environment in Amazon Redshift Getting Started.

For more information about WLM, see Implementing Workload Management.