A hybrid concurrency control with deadlock-free approach

  • Authors:
  • SungHo Cho

  • Affiliations:
  • Dept. of Information Science & Telecommunication, Hanshin University, Osan, Kyongggi-do, Korea

  • Venue:
  • ICCSA'03 Proceedings of the 2003 international conference on Computational science and its applications: PartII
  • Year:
  • 2003

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Abstract

Even though most commercial database management systems use pessimistic concurrency control in transaction processing systems, these approaches may restrict system throughput levels inconsistent with the available processing capacity. This paper suggests an efficient hybrid concurrency control scheme that uses a deadlock-free approach and ensures that transactions are re-started at most once. By the simulation-based analysis, we show that the proposed protocol outperforms than static hybrid protocol across all range of system and workload settings.