Identifying modified chunks in a data set for storage
US8452732B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | May 17, 2012 |
| Grant date | May 28, 2013 |
| Priority date | — |
| Expiry date | May 17, 2032 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06F16/1752
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
Provided are a computer program product, system, and method for identifying modified chunks in a data set for storage. Modifications are received to at least one of the chunks in the data set. A determination is made of at least one range of least one of the chunks including data affected by the modifications determination is made as to whether at least one chunk outside of the at least one range has changed. For each determined at least one chunk outside of the at least one range that has changed, a determination is made of at least one new chunk and a new digest of the at least one new chunk and information is added on the at least one new chunk and information to locate the new chunk in the data set.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.