DecisionQoS: An adaptive, self-evolving QoS arbitration module for storage systems

Sandeep Uttamchandani, Guillermo A. Alvarez, Gul Agha

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

As a consequence of the current trend towards consolidating computing, storage and networking infrastructures into large centralized data centers, applications compete for shared resources. Open enterprise systems are not designed to provide performance guarantees in the presence of sharing; unregulated competition is very likely to result in a free-for-all where some applications monopolize resources while others starve. Rule-based solutions to the resource arbitration problem suffer from excessive complexity, brittleness, and limitations in their expressive power. We present DECISIONQoS, a novel approach for arbitrating resources among multiple competing clients while enforcing QoS guarantees. DECISIONQoS requires system administrators to provide a minimal, declarative amount of information about the system and the workloads running on it. That initial input is continuously refined and augmented at run time, by monitoring the system's performance and its reaction to resource allocation decisions. When faced with incomplete information, or with changes in the workload requirements or system capabilities, DECISION-QoS adapts to them by applying machine learning techniques; the resulting scheme is highly resilient to unforeseen events. Moreover, it overcomes significant shortcomings of pre-existing, rule-based policy management systems.

Original languageEnglish (US)
Title of host publicationProceedings - Fifth IEEE International Workshop on Policies for Distributed Systems and Networks, POLICY 2004
Pages67-76
Number of pages10
DOIs
StatePublished - Dec 1 2004
EventProceedings - Fifth IEEE International Workshop on Policies for Distributed Systems and Networks, POLICY 2004 - Yorktown Heights, NY, United States
Duration: Jun 7 2004Jun 9 2004

Publication series

NameProceedings - Fifth IEEE International Workshop on Policies for Distributed Systems and Networks, POLICY 2004

Other

OtherProceedings - Fifth IEEE International Workshop on Policies for Distributed Systems and Networks, POLICY 2004
CountryUnited States
CityYorktown Heights, NY
Period6/7/046/9/04

ASJC Scopus subject areas

  • Engineering(all)

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