The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jul. 30, 2024
Filed:
Dec. 14, 2018
Amazon Technologies, Inc., Seattle, WA (US);
Timothy Daniel Cole, Seattle, WA (US);
John Michael Morkel, Seattle, WA (US);
Yevgeniy Mikhaylyuta, Sammamish, WA (US);
Allan Henry Vermeulen, Parksville, CA;
Christopher Richard Jacques de Kadt, Seattle, WA (US);
AMAZON TECHNOLOGIES, INC., Seattle, WA (US);
Abstract
A journaled database system may comprise data nodes that maintain a collection of data structured in accordance with a schema. A change to the schema may be applied by a journal module while a journal consumer continues to operate using a prior version of the schema. A buffer may be formed and have stored therein records describing state change instructions according to the prior view of the schema. An index of correspondence between the records in the buffer and in the source journal may be maintained.