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The leganet system: Freshness-aware transaction routing in a database cluster

8 years 3 months ago
The leganet system: Freshness-aware transaction routing in a database cluster
We consider the use of a database cluster for Application Service Provider (ASP). In the ASP context, applications and databases can be update-intensive and must remain autonomous. In this paper, we describe the Leganet system which performs freshness-aware transaction routing in a database cluster. We use multi-master replication and relaxed replica freshness to increase load balancing. Our transaction routing takes into account freshness requirements of queries at the relation level and uses a cost function that takes into account the cluster load and the cost to refresh replicas to the required level. We implemented the Leganet prototype on a 11-node Linux cluster running Oracle8i. Using experimentation and emulation up to 128 nodes, our validation based on the TPC-C benchmark demonstrates the performance benefits of our approach.
Stéphane Gançarski, Hubert Naacke, E
Added 15 Dec 2010
Updated 15 Dec 2010
Type Journal
Year 2007
Where IS
Authors Stéphane Gançarski, Hubert Naacke, Esther Pacitti, Patrick Valduriez
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