Patent 10095545 was granted and assigned to Amazon on October, 2018 by the United States Patent and Trademark Office.
Techniques for managing large-scale automatic fleet refresh operations are described herein. An application programming interface request to perform a refresh operation on a set of computer system instances is received. The application programming interface request includes a set of constraints for performing the refresh operation which are used to determine the impact of performing the refresh operation. Based at least in part on the impact, a set of schedules for performing the refresh operation is provided.