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.

Date of Patent:
Sep. 06, 2022

Filed:

Feb. 11, 2021
Applicants:

Huaxin Zhang, Markham, CA;

Ping Chen, Markham, CA;

Yuk Kuen Chan, Markham, CA;

Sherman Lau, Markham, CA;

Inventors:

Huaxin Zhang, Markham, CA;

Ping Chen, Markham, CA;

Yuk Kuen Chan, Markham, CA;

Sherman Lau, Markham, CA;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06F 11/20 (2006.01); G06F 11/14 (2006.01); G06F 16/27 (2019.01);
U.S. Cl.
CPC ...
G06F 11/203 (2013.01); G06F 11/1451 (2013.01); G06F 11/1464 (2013.01); G06F 11/1469 (2013.01); G06F 16/27 (2019.01); G06F 2201/80 (2013.01);
Abstract

Generating, by a first primary site that is included in a group of primary sites of a distributed database system, a commit action redo log message for a commit action performed by the first primary site for a first database transaction, the commit action redo log message including a transaction ID for the first database transaction and a transaction order indicator that represents an order of database transactions in a group of database transactions performed at one or more primary sites of the group of primary sites; and sending, by the first primary site, the commit action redo log message, for a corresponding first standby site that backs up the first primary site.


Find Patent Forward Citations

Loading…