VGL: Variable Granularity Lock Mechanism in the Shared Storage Multi-tenant Database

  • Chengliang Sang
  • Qingzhong Li
  • Zhengzheng Liu
  • Lanju Kong
Part of the Advances in Intelligent and Soft Computing book series (AINSC, volume 146)

Abstract

Lock technology is important to ensure transaction isolation, but if multi-tenant database continues to use traditional fixed granularity database lock, it will bear a very high burden. In this paper, to satisfy requirements in the shared storage multi-tenant database, we propose variable granularity lock (VGL) mechanism. It provides a lock of one granularity for each tenant who uses the shared storage multi-tenant database. In addition, we give experiments indicating that the performance of VGL is excellent.

Keywords

VGL Transaction Multi-tenant Database Concurrency Isolation 

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Copyright information

© Springer-Verlag GmbH Berlin Heidelberg 2012

Authors and Affiliations

  • Chengliang Sang
    • 1
  • Qingzhong Li
    • 1
  • Zhengzheng Liu
    • 2
  • Lanju Kong
    • 1
  1. 1.Computer Science and Technology DepartmentShandong UniversityJinanP.R. China
  2. 2.Dareway Computer Software Co., LtdJinanP.R. China

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