Consistency management using query restrictions in journal-based storage systems
US11599520B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Jun 29, 2015 |
| Grant date | Mar 7, 2023 |
| Priority date | — |
| Expiry date | Jan 21, 2037 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06F16/245
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
A query restriction descriptor indicating one or more attributes of a data object of a multi-data-store storage system is determined at a client-side component of the system. The query restrictions descriptor is used to prepare at least a read set descriptor of a proposed transaction. The read set of the proposed transaction includes a query with a predicate directed to the one or more attributes. A transformation function is applied to the predicate, and the result of the transformation is included in the read set descriptor. The proposed transaction is sent to a journal manager of the system, which performs read-write conflict detection using the read set descriptor and write set descriptors of one or more previously-committed transactions.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.