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

Claim 2:
3. The system of claim 1, wherein the program instructions cause the at least one processor to further implement the method to at least:
perform, by the first database engine head node, a third write request to the log-based data store, the third write request comprising a third update to other data of the database;
receive, at the first database engine head node subsequent to performing the third write request, one or more indications of a detected conflict at the log-based data store between the third update to the other data of the database of the third write request and a fourth update to the other data of the database of a fourth write request to the database sent by the second database engine head node;
request, 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
cause, 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.