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A Spot Capacity Market to Increase Power Infrastructure Utilization in Multi-tenant Data Centers

Islam, Mohammad A. and Ren, Xiaoqi and Ren, Shaolei and Wierman, Adam (2018) A Spot Capacity Market to Increase Power Infrastructure Utilization in Multi-tenant Data Centers. In: 2018 IEEE International Symposium on High Performance Computer Architecture (HPCA). IEEE , Los Alamitos, CA, pp. 776-788. ISBN 978-1-5386-3659-6. https://resolver.caltech.edu/CaltechAUTHORS:20180816-075811590

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Abstract

Despite the common practice of oversubscription, power capacity is largely under-utilized in data centers. A significant factor driving this under-utilization is fluctuation of the aggregate power demand, resulting in unused “spot (power) capacity”. In this paper, we tap into spot capacity for improving power infrastructure utilization in multi-tenant data centers, an important but under-explored type of data center where multiple tenants house their own physical servers. We propose a novel market, called SpotDC, to allocate spot capacity to tenants on demand. Specifically, SpotDC extracts tenants' racklevel spot capacity demand through an elastic demand function, based on which the operator sets the market price for spot capacity allocation. We evaluate SpotDC using both testbed experiments and simulations, demonstrating that SpotDC improves power infrastructure utilization and creates a “win-win” situation: the data center operator increases its profit (by nearly 10%), while tenants improve their performance (by 1.2-1.8x on average compared to the no spot capacity case, yet at a marginal cost).


Item Type:Book Section
Related URLs:
URLURL TypeDescription
https://doi.org/10.1109/HPCA.2018.00071DOIArticle
http://resolver.caltech.edu/CaltechAUTHORS:20170614-154927009Related ItemExtended abstract - ACM SIGMETRICS 2017
ORCID:
AuthorORCID
Ren, Xiaoqi0000-0002-1121-9046
Additional Information:© 2018 IEEE. An extended abstract of this paper appeared at the ACM SIGMETRICS 2017. This work was supported in part by the U.S. NSF under grants CNS-1551661, CNS-1565474, CNS-1518941, CPS-154471, ECCS-1610471, and AitF-1637598.
Funders:
Funding AgencyGrant Number
NSFCNS-1551661
NSFCNS-1565474
NSFCNS-1518941
NSFCPS-154471
NSFECCS-1610471
NSFCCF-1637598
Subject Keywords:Data center, market approach, power management, spot capacity
Record Number:CaltechAUTHORS:20180816-075811590
Persistent URL:https://resolver.caltech.edu/CaltechAUTHORS:20180816-075811590
Official Citation:M. Islam, X. Ren, S. Ren and A. Wierman, "A Spot Capacity Market to Increase Power Infrastructure Utilization in Multi-tenant Data Centers," 2018 IEEE International Symposium on High Performance Computer Architecture (HPCA), Vienna, 2018, pp. 776-788. doi: 10.1109/HPCA.2018.00071
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:88841
Collection:CaltechAUTHORS
Deposited By: Tony Diaz
Deposited On:16 Aug 2018 16:58
Last Modified:03 Oct 2019 20:10

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