Patents by Inventor Zhaohui George Yao

Zhaohui George Yao has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • UPGRADING REPLICATED DATABASES WITH SMALL DOWNTIME
    Publication number: 20210286824
    Abstract: An online system performs upgrades of replicated databases. The online system stores data in a primary site and a secondary site. The primary site comprising databases used to process client requests and a secondary site comprising databases used as standby. The online system upgrades databases of both sites by upgrading the secondary site, switching client requests to the secondary site while using the databases of primary site as standby databases. The online system then upgrades the primary site. The process allows the online system to upgrade databases with small down time.
    Type: Application
    Filed: May 21, 2020
    Publication date: September 16, 2021
    Inventors: Sheng Qiao, Zhaohui George Yao, Kim S. Lee, Abhishek Chaturvedi, Jeff Zhu, Mukesh Burgupalli