公开(公告)号：US11080271B2

公开(公告)日：2021-08-03

申请号：US15261582

申请日：2016-09-09

Applicant: SAP SE

Inventor： Juchang Lee ,  Chang Gyoo Park ,  Francis Gropengiesser ,  Anil Kumar Goel ,  Deok Koo Kim ,  SunHo Lee

IPC: G06F16/23 ,  G06F9/46

Abstract: A transaction management service layer monitors a plurality of read and write transactions being executed by the data engines by way of client libraries at each of a plurality of data engines. In addition, the transaction management server layer maintains and coordinates transaction timestamp and sequence numbers that are shared by the plurality of data engines. The transaction management service layer identifies and resolves conflicts among the plurality of transactions. The transaction management service layer is a separate and independent service that is isolated from other components of the plurality of data engines. Related apparatus, systems, techniques and articles are also described.

公开(公告)号：US20180075083A1

公开(公告)日：2018-03-15

申请号：US15261582

申请日：2016-09-09

Applicant: SAP SE

Inventor： Juchang Lee ,  Chang Gyoo Park ,  Francis Gropengiesser ,  Anil Kumar Goel ,  Deok Koo Kim ,  SunHo Lee

IPC: G06F17/30

CPC classification number: G06F16/2379 ,  G06F9/466 ,  G06F16/2343 ,  G06F16/2365

Abstract: A transaction management service layer monitors a plurality of read and write transactions being executed by the data engines by way of client libraries at each of a plurality of data engines. In addition, the transaction management server layer maintains and coordinates transaction timestamp and sequence numbers that are shared by the plurality of data engines. The transaction management service layer identifies and resolves conflicts among the plurality of transactions. The transaction management service layer is a separate and independent service that is isolated from other components of the plurality of data engines. Related apparatus, systems, techniques and articles are also described.