Patent · US Active

Replication of log-structured data

US10346387B2 · kind B2 · utility

0Cited by

3References

16Claims

0Family size

Assignee

SAP SE · DE

Inventors

Peter Bumbulis · Kitchener, CA
Jeffrey Pound · Kitchener, CA
Nathan Auch · Waterloo, CA
Anil Kumar Goel · Waterloo, CA
Matthias Ringwald · Potsdam, DE
Thomas Bodner · Berlin, DE
Scott MacLean · Waterloo, CA

Key dates

Filing date	Jun 13, 2016
Grant date	Jul 9, 2019
Priority date	—
Expiry date	Jul 9, 2037

Classification

Technology area (CPC G)Physics
CPC primaryG06F16/27
WIPO fieldComputer technology
WIPO sectorElectrical engineering

Abstract

A method includes a primary storage unit receiving a first write request including a first key and a first value; persisting the first value in a first non-volatile memory in association with the first key; broadcasting the first write request and a first set of globally-durable keys to secondary storage units; receiving, from the secondary storage units, an acknowledgement of the first write request and a first set of locally-durable keys, each of the first sets of locally-durable keys including the first key; the primary storage unit receiving a second write request including a second key and a second value; persisting the second value in the first non-volatile memory in association with the second key; and broadcasting the second write request and a second set of globally-durable keys to the secondary storage units, the second set of locally-durable keys including the first key. A system is also disclosed.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.