Patent ID: 11914571
Assignee: AMAZON TECHNOLOGIES, INC.
Field: Computer technology (Electrical engineering)
Classification: CPC G | IPC G

Claim 15:
16. The non-transitory, computer-readable storage medium of claim 14, wherein the program instructions cause the one or more computing devices to further implement:
performing, by the first database engine head node, a third write request to the log-based data store;
receiving, at the first database engine head node, one or more indications of a detected conflict at the log-based data store between the third write request and a fourth write request to the database sent by the second database engine head node;
requesting, by the first database engine head node, a resolution of the conflict between the third write request and the fourth write request from the primary database engine head node for the database; and
causing, by the first database engine head node, the log-based data store to cancel the third write request according to the resolution received from the primary database engine head node indicating the third write request failed.