Cache eviction according to data hit ratio and service level agreement
US9798665B1 · kind B1 · utility
Assignee
Inventor
Key dates
| Filing date | Dec 20, 2015 |
| Grant date | Oct 24, 2017 |
| Priority date | — |
| Expiry date | Feb 3, 2036 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06F2212/621
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
A method that may include determining, for each user of a group of users, a time difference between an event of a first type that is related to a storage of a user data unit of the user within a cache of a storage system and to an eviction of the user data unit from the cache, in response to (a) a service-level agreement (SLA) associated with the user and to (b) multiple data hit ratios associated with multiple different values of a time difference between events of the first type and evictions, from the cache, of multiple user data units of the user; and evicting from the cache, based upon the determination, one or more user data units associated with one or more users of the group.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.