Geodesic
Applying Stochastic Metaheuristics to the Problem of Data Management in a Multi-Tenant Database Cluster
Modelirovanie i analiz informacionnyh sistem, Tome 21 (2014) no. 4, pp. 13-24.

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A multi-tenant database cluster is a concept of a data-storage subsystem for cloud applications with the multi-tenant architecture. The cluster is a set of relational database servers with the single entry point, combined into one unit with a cluster controller. This system is aimed to be used by applications developed according to Software as a Service (SaaS) paradigm and allows to place tenants at database servers so that providing their isolation, data backup and the most effective usage of available computational power. One of the most important problems about such a system is an effective distribution of data into servers, which affects the degree of individual cluster nodes load and fault-tolerance. This paper considers the data-management approach, based on the usage of a load-balancing quality measure function. This function is used during initial placement of new tenants and also during placement optimization steps. Standard schemes of metaheuristic optimization such as simulated annealing and tabu search are used to find a better tenant placement.
Keywords: databases, SaaS, stochastic optimization.
Mots-clés : multi-tenant architecture 
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E. A. Boytsov. Applying Stochastic Metaheuristics to the Problem of Data Management in a Multi-Tenant Database Cluster. Modelirovanie i analiz informacionnyh sistem, Tome 21 (2014) no. 4, pp. 13-24. http://geodesic.mathdoc.fr/item/MAIS_2014_21_4_a1/

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