Enhancing consistent read performance for in-memory databases
US10437688B2 · kind B2 · utility
1Cited by
12References
14Claims
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Key dates
| Filing date | Sep 22, 2016 |
| Grant date | Oct 8, 2019 |
| Priority date | — |
| Expiry date | Feb 4, 2038 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06F2201/82
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
Techniques are described for maintaining coherency of a portion of a database object mirrored in a particular node of a database. The techniques involve maintaining invalidation logs which identify transactions that have committed to a database. Based on the invalidation logs, the particular node generates invalid-row ID metadata which identifies, for each system change number, one or more rows that are not transactionally consistent with data stored in the database object as of said system change number.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.