Apparatus and method for query prioritization in a shared nothing distributed database
US8375047B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Mar 31, 2010 |
| Grant date | Feb 12, 2013 |
| Priority date | — |
| Expiry date | Feb 8, 2031 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06F16/24549
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
A shared nothing distributed database system includes a master node and a set of shared nothing nodes. Each shared nothing node includes a node state table stored in memory that characterizes various statements and multiple processes implementing each statement, target resource consumption rate for each process and process activity information. A monitor module executed by a central processing unit processes information in the node state table and adjusts values in the node state table in accordance with priority criteria specifying individual user priority ascribed to a statement. A query associated with a statement is processed in the shared nothing distributed database system in accordance with the priority criteria.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.