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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.:

US 12436847 B1

PDFFull Text
Date of Patent:
Oct. 07, 2025

Filed:

Oct. 26, 2023

Log replay methods and apparatuses, data recovery methods and apparatuses, and electronic devices

Applicant:

Beijing Oceanbase Technology Co., Ltd., Beijing, CN;

Inventors:

Yingying Yao, Beijing, CN;

Hao Liu, Beijing, CN;

Fusheng Han, Beijing, CN;

Assignee:

Beijing OceanBase Technology Co., Ltd., Beijing, CN;

Attorney:

Fish & Richardson P.C.

Primary Examiner:

Srirama Channavajjala

Int. Cl.
CPC ...
G06F 16/00 (2019.01); G06F 11/14 (2006.01); G06F 16/13 (2019.01); G06F 16/14 (2019.01); G06F 16/21 (2019.01); G06F 16/215 (2019.01); G06F 16/23 (2019.01); G06F 16/2457 (2019.01); G06F 16/25 (2019.01); G06F 16/27 (2019.01); G06F 16/28 (2019.01);
U.S. Cl.
CPC ...
G06F 11/1469 (2013.01); G06F 16/13 (2019.01); G06F 16/148 (2019.01); G06F 16/213 (2019.01); G06F 16/215 (2019.01); G06F 16/2358 (2019.01); G06F 16/24578 (2019.01); G06F 16/254 (2019.01); G06F 16/27 (2019.01); G06F 16/285 (2019.01); G06F 2201/80 (2013.01);
Abstract

Implementations of this specification provide methods and apparatuses for replaying logs. One method includes: classifying a plurality of logs to be replayed into log queues, sending the log queues to a global replay queue, allocating one or more replay threads to the log queues based on rankings of the log queues in the global replay queue, wherein the one or more replay threads are configured to replay one or more current log queues of the log queues, and in response to identifying an error of a current log queue of the one or more current log queues in a replay process, allocating a replay thread of the one or more replay threads allocated to the current log queue to a log queue that immediately follows the current log queue in the global replay queue.

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