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:
Sep. 30, 2025
Filed:
Nov. 28, 2022
Alibaba Group Holding Limited, Grand Cayman, KY;
Xin Li, Hangzhou, CN;
Yue Pan, Hangzhou, CN;
Haoran Zhang, Hangzhou, CN;
Bowen Zheng, Hangzhou, CN;
Feifei Li, Hangzhou, CN;
Alibaba Group Holding Limited, Grand Cayman, KI;
Abstract
Embodiments of the present disclosure provide a data migration method and device, wherein the data migration method comprises: acquiring a migration request for a source database, creating a snapshot of to-be-migrated data in the source database and migrating the snapshot to a target database, reading a data migration log stored in a primary replica database of the source database and synchronizing the data migration log into the target database, and configuring a route for a target primary replica database of the target database according to routing rules of the primary replica database.