Title
Optimizing datacenter power with memory system levers for guaranteed quality-of-service
Abstract
Co-location of applications is a proven technique to improve hardware utilization. Recent advances in virtualization have made co-location of independent applications on shared hardware a common scenario in datacenters. Co-location, while maintaining Quality-of-Service (QoS) for each application is a complex problem that is fast gaining relevance for these datacenters. The problem is exacerbated by the need for effective resource utilization at datacenter scales. In this work, we show that the memory system is a primary bottleneck in many workloads and is a more effective focal point when enforcing QoS. We examine four different memory system levers to enforce QoS: two that have been previously proposed, and two novel levers. We compare the effectiveness of each lever in minimizing power and resource needs, while enforcing QoS guarantees. We also evaluate the effectiveness of combining various levers and show that this combined approach can yield power reductions of up to 28%.
Year
DOI
Venue
2012
10.1145/2370816.2370834
PACT
Keywords
Field
DocType
different memory system lever,memory system,qos guarantee,power reduction,datacenter power,guaranteed quality-of-service,hardware utilization,shared hardware,resource need,effective focal point,effective resource utilization,complex problem,cloud computing,quality of service
Virtualization,Bottleneck,Focal point,Computer science,Lever,Parallel computing,Quality of service,Real-time computing,Cloud computing
Conference
ISSN
ISBN
Citations 
1089-795X
978-1-5090-6609-4
7
PageRank 
References 
Authors
0.43
16
4
Name
Order
Citations
PageRank
Kshitij Sudan11908.71
Sadagopan Srinivasan21207.87
Rajeev Balasubramonian32302116.79
Ravishankar K. Iyer4111975.72