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Self-Optimization in Computer Systems via Online Control: Application to Power Management
 

Summary: Self-Optimization in Computer Systems via Online Control: Application
to Power Management
Nagarajan Kandasamy*
, Sherif Abdelwahed*
, John P. Hayes**
Abstract
Computer systems hosting critical e-commerce
applications must typically satisfy stringent quality-of-
service (QoS) requirements under dynamic operating
conditions and workloads. Also, as such systems increase
in size and complexity, maintaining the desired QoS by
manually tuning the numerous performance-related
parameters is becoming increasingly difficult. This paper
addresses the design of self-optimizing computer systems
using a generic online control framework where in the
control actions governing the operation of the system are
obtained by optimizing its behavior, as forecasted by a
mathematical model, over a limited time horizon. As a
specific application of this control technique, we shown
how to minimize the power consumed by a single

  

Source: Abdelwahed, Sherif - Department of Electrical Engineering and Computer Science, Vanderbilt University

 

Collections: Engineering