MoKa: A System for Modeling and Capacity Planning of Multi-Tier Systems

Abstract : Although cluster-based multi-tier data centers provide a means for supporting scalable web applications, their ad-hoc configuration poses significant challenges to the performance and economical costs of multi-tier applications. This paper presents the design and implementation of MoKa - a utility-aware framework for modeling multi-tier data centers and planning their capacity and optimal configuration. The contribution of the paper is threefold. First, we identify two levels of configuration of cluster-based multi-tier data centers, local configuration that applies at server's level and architectural configuration that relates to the clusters of servers in a multi-tier architecture. The combination of these two levels of configuration improves the overall performance and cost of cluster-based multi-tier data centers. Second, we present a utility function for characterizing the impact of local and architectural configurations on the performance and cost of multi-tier systems. Third, we develop a utility-aware capacity planning algorithm for efficiently calculating the optimal local and architecural configuration of multi-tier data centers to provide guarantees on performance while minimizing the cost. Our experiments on a multi-tier e-commerce auction site show the effectiveness of MoKa Moreover, the experiments show that the combination of local and architectural configurations provides a 100% accurate utility for the multi-tier system, while with a single level of optimization (local or architectural) accuracy is limited between 20% and 90%.
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Rapport
[Research Report] RR-6730, INRIA. 2008, pp.36
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https://hal.inria.fr/inria-00340772
Contributeur : Sara Bouchenak <>
Soumis le : mardi 25 novembre 2008 - 14:56:35
Dernière modification le : mercredi 11 avril 2018 - 01:52:12
Document(s) archivé(s) le : jeudi 11 octobre 2012 - 11:55:08

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  • HAL Id : inria-00340772, version 1

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Jean Arnaud, Sara Bouchenak. MoKa: A System for Modeling and Capacity Planning of Multi-Tier Systems. [Research Report] RR-6730, INRIA. 2008, pp.36. 〈inria-00340772〉

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