Patent ID: 11886439
Assignee: AMAZON TECHNOLOGIES, INC.
Field: Computer technology (Electrical engineering)
Classification: CPC G | IPC G

Claim 12:
13. The method of claim 5, further comprising:
after a failure of the database:
obtaining a plurality of transaction log records generated before the database failure that describe additional database transactions with change indications not spilled to persistent storage;
evaluating the plurality of transaction log records to determine change indications for the additional database transactions;
discarding those change indications for spilled transactions performed before a last spilled database transaction in persistent storage;
discarding those change indications for committed ones of the additional database transactions that are committed before a last transaction sent to the stream processor;
discarding those change indications for uncommitted ones of the additional database transactions; and
storing remaining ones of the change indications for the additional database transactions.