Bypass destaging of decrement reference count operations with delta log based architecture
US12117938B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Jun 15, 2023 |
| Grant date | Oct 15, 2024 |
| Priority date | — |
| Expiry date | Jun 15, 2043 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06F2212/7205
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
In at least one embodiment, processing can include: determining that an inactive decref (decrement reference count) MDL (metadata log) of decref MD (metadata) updates stored in memory is unable to be destaged to a decref tier of non-volatile storage in a first destage phase of a two phase destage process; and responsive to determining that the inactive decref MDL is unable to be destaged to the decref tier, performing bypass destage processing of the inactive decref MDL, wherein said bypass destage processing includes directly applying MD updates of the inactive decref MDL to corresponding MD pages stored persistently in a MD page store and wherein said bypass destage processing omits storing the inactive decref MDL on the decref tier.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.