Garbage collection method and storage device
US11416162B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jun 27, 2018 |
| Grant date | Aug 16, 2022 |
| Priority date | — |
| Expiry date | Dec 17, 2038 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06F12/02
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
The present application relates to a garbage collection method and a storage device for reducing write amplification. A method for selecting a data block to be collected in garbage collection, including: obtaining, according to a first selection policy, a first data block to be collected; determining, according to a first rejection policy, whether to refuse to collect the first data block to be collected; and if according to the first rejection policy, rejection to collect of the first data block to be collected is determined, not performing garbage collection on the first data block to be collected.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.