公开(公告)号：US20210286824A1

公开(公告)日：2021-09-16

申请号：US16880965

申请日：2020-05-21

Applicant: salesforce.com, inc.

Inventor： Sheng Qiao ,  Zhaohui George Yao ,  Kim S. Lee ,  Abhishek Chaturvedi ,  Jeff Zhu ,  Mukesh Burgupalli

IPC: G06F16/27 ,  G06F16/21 ,  G06F3/06

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.

公开(公告)号：US12050618B2

公开(公告)日：2024-07-30

申请号：US16880965

申请日：2020-05-21

Applicant: salesforce.com, inc.

Inventor： Sheng Qiao ,  Zhaohui George Yao ,  Kim S. Lee ,  Abhishek Chaturvedi ,  Jeff Zhu ,  Mukesh Burgupalli

IPC: G06F16/27 ,  G06F3/06 ,  G06F16/21

CPC classification number: G06F16/27 ,  G06F3/0607 ,  G06F3/064 ,  G06F3/065 ,  G06F3/0683 ,  G06F16/21

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.