Performing Sound Flash Device Measurements: Some Lessons from uFLIP

Matias Bjorling (1) , Lionel Le Folgoc (2, 3) , Ahmed Mseddi (3) , Philippe Bonnet (4) , Luc Bouganim (2, 3) , Björn Pór Jónsson (5)

1 UCPH - University of Copenhagen = Københavns Universitet
2 PRISM - Parallélisme, Réseaux, Systèmes, Modélisation
3 SMIS - Secured and Mobile Information Systems
4 ITU - IT University of Copenhagen
5 Reykjavík University

It is amazingly easy to get meaningless results when measuring flash devices, partly because of the peculiarity of flash memory, but primarily because their behavior is determined by layers of complex, proprietary, and undocumented software and hardware. In this demonstration, we share the lessons we learnt developing the uFLIP benchmark and conducting experiments with a wide range of flash devices. We illustrate the problems that are actual obstacles to sound performance and energy measurements, and we show how to mitigate the effects of these problems. We also present the uFLIP web site and its on-line visualization tool that should help the research community investigate flash device behavior.

Mots clés: Flash devices; Benchmarking; Methodology; uFLIP; SSD; Energy Measurement

Domaines: Base de données [cs.DB]

Matias Bjorling, Lionel Le Folgoc, Ahmed Mseddi, Philippe Bonnet, Luc Bouganim, et al.. Performing Sound Flash Device Measurements: Some Lessons from uFLIP. Proceedings of the 2010 international conference on Management of data - SIGMOD 2010, Jun 2010, Indianapolis, United States. pp.1219, ⟨10.1145/1807167.1807324⟩. ⟨hal-00552099⟩