Policy for storing data objects in a multi-tier storage system
US8578096B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Apr 8, 2011 |
| Grant date | Nov 5, 2013 |
| Priority date | — |
| Expiry date | Nov 6, 2031 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06F16/278
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
A sliding window policy is implemented to manage database objects. At a first time, a first portion of a database object is allocated to a first tier of a multi-tier storage system. The first portion corresponds to a first specified percentage of the size of the database object at the first time and is selected according to information associated with the database object. The remaining portion of the database object at the first time is allocated to one or more other tiers. At a second (later) time, a second portion of the database object is allocated to the first tier. The second portion corresponds to a second specified percentage of the size of the database object at the second time and is also selected according to information associated with the database object. The remaining portion of the database object at the second time is allocated to the other tier(s).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.