Patent ID: 11868359
Assignee: AMAZON TECHNOLOGIES, INC.
Field: Computer technology (Electrical engineering)
Classification: CPC G | IPC G

Claim 15:
16. One or more non-transitory, computer-readable storage media, storing program instructions that when executed on or across one or more computing devices cause the one or more computing devices to implement:
receiving a query to a database at a first query engine to be performed by the first query engine;
evaluating, by the first query engine, an eligibility of the query to be performed by at least the first query engine and a second query engine provisioned in response to the query or a prior query;
identifying the query as eligible to be performed by the first query engine and the second query engine according to the evaluation of the eligibility of the query;
predict, by the first query engine, a first execution time for the first query engine to perform the query and a second execution time for the second query engine to perform the query;
assigning, by the first query engine, the query to the second query engine based on a comparison between the first execution time and the second execution time; and
sending, by the first query engine, a request to the second query engine to begin performing the query to the database.