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Optimizations of discrete garbage collections in computer reliability systems

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  • Hongshuang Feng
  • Xufeng Zhao

Abstract

In computer science community, garbage collection is a dynamic storage management technology to ensure the reliability of computer systems. In this paper, we consider two discrete garbage collection policies to meet the goal of time consumption for a generational garbage collector. That is, garbage collections occur at a nonhomogeneous Poisson process, (a) tenuring collection is triggered at the N th minor collection preventively or at a threshold amount δ of surviving objects correctively, whichever takes place first, and (b), tenuring collection is triggered at the first collection when the amount of surviving objects has exceeded a threshold level δ and major collection is triggered at discrete times kT for a given T . Using the damage process and renewal theory, the expected cost rates are obtained, and their optimal policies for tenuring and major collections are discussed analytically and computed numerically.

Suggested Citation

  • Hongshuang Feng & Xufeng Zhao, 2022. "Optimizations of discrete garbage collections in computer reliability systems," Journal of Risk and Reliability, , vol. 236(3), pages 451-457, June.
    • Handle: RePEc:sae:risrel:v:236:y:2022:i:3:p:451-457
    DOI: 10.1177/1748006X211023250
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    References listed on IDEAS

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    1. Toshio Nakagawa, 2007. "Shock and Damage Models in Reliability Theory," Springer Series in Reliability Engineering, Springer, number 978-1-84628-442-7, March.
    2. Xufeng Zhao & Syouji Nakamura & Toshio Nakagawa, 2012. "Optimal Tenuring And Major Collection Times For A Generational Garbage Collector," Asia-Pacific Journal of Operational Research (APJOR), World Scientific Publishing Co. Pte. Ltd., vol. 29(03), pages 1-17.
    3. Xufeng Zhao & Toshio Nakagawa, 2018. "Advanced Maintenance Policies for Shock and Damage Models," Springer Series in Reliability Engineering, Springer, number 978-3-319-70456-2, March.
    4. Junxiang Li & Jianqiao Chen & Zhiqiang Chen, 2020. "A new cumulative damage model for time-dependent reliability analysis of deteriorating structures," Journal of Risk and Reliability, , vol. 234(2), pages 290-302, April.
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