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Simulation de traces réelles d'E/S disque de PC

Jalil Boukhobza 1, 2 Claude Timsit 2 
Lab-STICC - Laboratoire des sciences et techniques de l'information, de la communication et de la connaissance, UBO - Université de Brest
Abstract : Under Windows operating system, existing I/O benchmarking tools does not allow a developer to efficiently define a file access strategy according to the applications' constraints. This is essentially due to the fact that the existing tools do allow only a restricted set of I/O workloads that does not generally correspond to the target applications. To cope with this problem, we designed and implemented a precise I/O simulator allowing to simulate whatever real I/O trace on a given defined architecture, and in which most of file and disk cache strategies, their interactions and the detailed storage system architecture are implemented. Simulation results on different workloads and architectures show a very high degree of precision. In fact, the mean error rate as compared to real measures is of about 6% with a maximum of 10% on global throughput.
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Submitted on : Friday, May 28, 2010 - 9:42:44 AM
Last modification on : Monday, June 27, 2022 - 3:04:48 AM
Long-term archiving on: : Thursday, September 16, 2010 - 3:41:28 PM


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  • HAL Id : hal-00487041, version 1
  • ARXIV : 1005.5241


Jalil Boukhobza, Claude Timsit. Simulation de traces réelles d'E/S disque de PC. RenPar'17 / SympA'2006 / CFSE'5 / JC'2006, Oct 2006, Canet en Roussillon, France. pp.12. ⟨hal-00487041⟩



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