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Flash-Aware Buffer Management for Database Systems

Author

Listed:
  • Yi Ou

    (Department of Computer Science, University of Kaiserslautern, Kaiserslautern, Germany)

  • Peiquan Jin

    (University of Science & Technology of China, Hefei, China)

  • Theo Härder

    (Department of Computer Science, University of Kaiserslautern, Kaiserslautern, Germany)

Abstract

Classical buffer replacement policies, e. g., LRU, are suboptimal for database systems having flash disks for persistence, because they are not aware of the distinguished characteristics of flash-based storage devices. The authors introduce the basic principles of buffer management for such devices and present two efficient buffer algorithms that apply these principles. These algorithms significantly improve the performance of flash-based databases, as confirmed by our trace-driven performance study.

Suggested Citation

  • Yi Ou & Peiquan Jin & Theo Härder, 2013. "Flash-Aware Buffer Management for Database Systems," International Journal of Knowledge-Based Organizations (IJKBO), IGI Global, vol. 3(4), pages 22-39, October.
    • Handle: RePEc:igg:jkbo00:v:3:y:2013:i:4:p:22-39
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