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- Title
Extending DBMSs with satellite databases.
- Authors
Christian Plattner; Gustavo Alonso; M. Özsu
- Abstract
Abstract In this paper, we propose an extensible architecture for database engines where satellite databases are used to scale out and implement additional functionality for a centralized database engine. The architecture uses a middleware layer that offers consistent views and a single system image over a cluster of machines with database engines. One of these engines acts as a master copy while the others are read-only snapshots which we call satellites. The satellites are lightweight DBMSs used for scalability and to provide functionality difficult or expensive to implement in the main engine. Our approach also supports the dynamic creation of satellites to be able to autonomously adapt to varying loads. The paper presents the architecture, discusses the research problems it raises, and validates its feasibility with extensive experimental results.
- Subjects
DATABASES; MIDDLEWARE; COMPUTER software; COMPUTER architecture
- Publication
VLDB Journal International Journal on Very Large Data Bases, 2008, Vol 17, Issue 4, p657
- ISSN
1066-8888
- Publication type
Article
- DOI
10.1007/s00778-006-0026-x