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A High Availability Guaranteed Energy Efficient



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HAGEES A High Availability Guaranteed Energy Efficient Scheduling Algorithm for Homogeneous Clusters Ziliang Zong Mais Nijim Mohammed Alghamdi Xiao Qin Department of Computer Science New Mexico Institute of Mining and Technology Socorro New Mexico 87801 zzong mais alghamdi xqin nmt edu Abstract High performance clusters play a vital role nowadays both in the industry and research area In the past decade some scheduling schemes have been investigated to achieve high availability or energy efficiency in large scale clusters However leveraging scheduling algorithms to ensure high availability and performance while conserving energy remains an open problem To bridge this technology gap in this paper we propose a high availability guaranteed energy efficient scheduling strategy HAGEES for short that aims at comprehensively consider the most important three factors namely availability energy conservation and high performance 1 Introduction With the development of VLSI technology and high speed networks cluster systems have been widely used for a diverse set of parallel applications like molecular design weather modeling and complex image rendering However drawbacks like tremendous energy consumption lower availability always attack people s confidence in further applying cluster systems to modern industry and scientific research applications Energy consumption problems of clusters have been extensively researched by previously studies 1 2 The availability issue of cluster system was first presented in 3 and then further studied in 4 6 Duplication based strategy 5 was provided to balance the execution time and energy cost for homogeneous clusters in our previous research paper 7 Although most existing scheduling strategies are conducive to achieving high availability or energy efficiency in large scale clusters leveraging scheduling algorithms to ensure high availability and performance while conserving energy remains an open problem To bridge this technology gap in this



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