Optimizations of discrete garbage collections in computer reliability systems

Hongshuang Feng and Xufeng Zhao

Journal of Risk and Reliability, 2022, vol. 236, issue 3, 451-457

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.

Keywords: Garbage collection; computer reliability; performance modeling; damage model; renewal theory (search for similar items in EconPapers)
Date: 2022
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Persistent link: https://EconPapers.repec.org/RePEc:sae:risrel:v:236:y:2022:i:3:p:451-457

DOI: 10.1177/1748006X211023250

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