Patent ID: 11947555
Assignee: AMAZON TECHNOLOGIES, INC.
Field: Computer technology (Electrical engineering)
Classification: CPC G | IPC G

Claim 13:
14. 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, at a router of a database system, an access request directed to one or more database tables;
evaluating, by the router of the database system, the access request with respect to metadata obtained for the one or more database tables to determine an assignment distribution of one or more computing resources of the database system to data that can satisfy the access request;
selecting, by the router of the database system, one or more planning locations to perform the access request based, at least in part, on the assignment distribution of the one or more computing resources, wherein the one or more planning locations are selected from a plurality of planning locations comprising the router and the one or more computing resources; and
causing, by the router of the database system, the access request to be performed according to planning performed at the one or more planning locations.