Hotness based data storage for facilitating garbage collection
US10168917B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Apr 5, 2016 |
| Grant date | Jan 1, 2019 |
| Priority date | — |
| Expiry date | Apr 5, 2036 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06F2212/7211
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
Embodiments of the present disclosure relate to hotness based data storage for facilitating garbage collection. For target data to be stored into a flash drive, hotness of the target is determined, which indicates an expected update frequency of the target data. Then the in-use blocks in the flash drive are searched for a matching block for storing the target data, such that hotness of data being stored in the matching block matches the hotness of the target data. If no matching block is found, a free block is selected for storing the target data. The selection of the free block is based on the hotness of the target data and a degree of wear of the free block.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.