JSM 2005 - Toronto

Abstract #303586

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Legend: = Applied Session, = Theme Session, = Presenter
Activity Number: 177
Type: Topic Contributed
Date/Time: Monday, August 8, 2005 : 2:00 PM to 3:50 PM
Sponsor: Business and Economics Statistics Section
Abstract - #303586
Title: A Statistical Approach to Optimal Consolidation of Computer Workload
Author(s): Ta-Hsin Li*+
Companies: IBM
Address: , Yorktown Heights, NY, 10598, United States
Keywords: risk analysis ; capacity planning ; extreme value ; quantile ; cluster analysis
Abstract:

In on-demand computing services, a customer pays for what they actually use and the service provider is free to reallocate unused capacity to other customers. An important issue in such a shared environment is optimal workload consolidation and capacity planning. In this talk, I propose a quantile-based statistical approach for analyzing the tradeoff between the benefits and risks of workload consolidation. I also formulate an optimization problem for workload consolidation with the aim of maximizing the benefit while keeping the risk at an acceptable level.

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