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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 (2017) A Spot Capacity Market to Increase Power Infrastructure Utilization in Multi-Tenant Data Centers. In: Proceedings of the 2017 ACM SIGMETRICS / International Conference on Measurement and Modeling of Computer Systems - SIGMETRICS '17 Abstracts. ACM , New York, NY, pp. 19-20. ISBN 978-1-4503-5032-7. http://resolver.caltech.edu/CaltechAUTHORS:20170614-154927009

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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 spot capacity market, called SpotDC, to allocate spot capacity to tenants on demand. Specifically, SpotDC extracts tenants' rack-level 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, yet at a marginal cost).


Item Type:Book Section
Related URLs:
URLURL TypeDescription
https://doi.org/10.1145/3078505.3078542DOIArticle
http://dl.acm.org/citation.cfm?doid=3078505.3078542PublisherArticle
Additional Information:© 2017 Copyright held by the owner/author(s). This work was supported in part by the U.S. NSF under grants CNS-1551661, CNS-1565474, ECCS-1610471, AitF-1637598 and CNS-1518941, and the Resnick Sustainability Institute at Caltech.
Group:Resnick Sustainability Institute
Funders:
Funding AgencyGrant Number
NSFCNS-1551661
NSFCNS-1565474
NSFECCS-1610471
NSFCCF-1637598
NSFCNS-1518941
Resnick Sustainability InstituteUNSPECIFIED
Record Number:CaltechAUTHORS:20170614-154927009
Persistent URL:http://resolver.caltech.edu/CaltechAUTHORS:20170614-154927009
Official Citation:Mohammad A. Islam, Xiaoqi Ren, Shaolei Ren, and Adam Wierman. 2017. A Spot Capacity Market to Increase Power Infrastructure Utilization in Multi-Tenant Data Centers. In Proceedings of the 2017 ACM SIGMETRICS / International Conference on Measurement and Modeling of Computer Systems (SIGMETRICS '17 Abstracts). ACM, New York, NY, USA, 19-20. DOI: https://doi.org/10.1145/3078505.3078542
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:78219
Collection:CaltechAUTHORS
Deposited By: Kristin Buxton
Deposited On:14 Jun 2017 23:00
Last Modified:14 Jun 2017 23:00

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