Conflict-aware load-balancing techniques for database replication

  • Authors:
  • Vaidė Zuikevičiūtė;Fernando Pedone

  • Affiliations:
  • University of Lugano (USI), Lugano, Switzerland;University of Lugano (USI), Lugano, Switzerland

  • Venue:
  • Proceedings of the 2008 ACM symposium on Applied computing
  • Year:
  • 2008

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Abstract

Middleware-based database replication protocols are more portable and flexible than kernel-based protocols, but have coarser-grain information about transaction access data, resulting in reduced concurrency and increased aborts. This paper proposes conflict-aware load-balancing techniques to increase the concurrency and reduce the abort rate of middleware-based replication protocols. Experimental evaluation using a prototype of our system running the TPC-C benchmark showed that aborts can be reduced with no penalty in response time.