Wang, Kai, Lin, Minghong, Ciucu, Florin, Wierman, Adam and Lin, Chuang (2013) Characterizing the impact of the workload on the value of dynamic resizing in data centers. In: The 32nd IEEE International Conference on Computer Communications, Turin, Italy, 14-19 Apr 2013. Published in: INFOCOM, 2013 Proceedings IEEE pp. 515-519. ISBN 9781467359443. doi:10.1109/INFCOM.2013.6566826 ISSN 0743-166X.

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Abstract

Energy consumption imposes a significant cost for data centers; yet much of that energy is used to maintain excess service capacity during periods of predictably low load. Resultantly, there has recently been interest in developing designs that allow the service capacity to be dynamically resized to match the current workload. However, there is still much debate about the value of such approaches in real settings. In this paper, we show that the value of dynamic resizing is highly dependent on statistics of the workload process. In particular, both slow timescale non-stationarities of the workload (e.g., the peak-to-mean ratio) and the fast time-scale stochasticity (e.g., the burstiness of arrivals) play key roles. To illustrate the impact of these factors, we combine optimization-based modeling of the slow time-scale with stochastic modeling of the fast time scale.

Item Type:	Conference Item (Paper)
Subjects:	H Social Sciences > HD Industries. Land use. Labor
Divisions:	Faculty of Science, Engineering and Medicine > Science > Computer Science
Library of Congress Subject Headings (LCSH):	Data processing service centers, Energy consumption, Data processing service centers -- Energy conservation, Data processing service centers -- Cost of operation, Data processing service centers -- Energy consumption -- Measurement
Journal or Publication Title:	INFOCOM, 2013 Proceedings IEEE
Publisher:	IEEE
ISBN:	9781467359443
ISSN:	0743-166X
Book Title:	2013 Proceedings IEEE INFOCOM
Official Date:	2013
Dates:	Date Event 2013 Published
Page Range:	pp. 515-519
DOI:	10.1109/INFCOM.2013.6566826
Status:	Peer Reviewed
Publication Status:	Published
Conference Paper Type:	Paper
Title of Event:	The 32nd IEEE International Conference on Computer Communications
Type of Event:	Conference
Location of Event:	Turin, Italy
Date(s) of Event:	14-19 Apr 2013
Related URLs:	Organisation

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