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Achieving query performance in the cloud via a cost-effective data replication strategy

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Abstract

Meeting performance expectations of tenants without sacrificing economic benefit is a tough challenge for cloud providers. We propose a data replication strategy to simultaneously satisfy both the performance and provider profit. Response time of database queries is estimated with the consideration of parallel execution. If the estimated response time is not acceptable, bottlenecks are identified in the query plan. Data replication is realized to resolve the bottlenecks. Data placement is heuristically performed in a way to satisfy query response times at a minimal cost for the provider. We demonstrate the validity of our strategy in a performance evaluation study.

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Acknowledgements

The work presented in this paper is supported in part by the Scientific and Technological Research Council of Turkey (TÜBİTAK). This work is also supported in part by the French Ministries of Europe and Foreign Affairs (MEFA) and of Higher Education, Research and Innovation (MHERI) and Amadeus Program 2020 (French-Austrian Hubert Curien Partnership—PHC) Grant Number 44086TD.

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Correspondence to Uras Tos.

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Tos, U., Mokadem, R., Hameurlain, A. et al. Achieving query performance in the cloud via a cost-effective data replication strategy. Soft Comput 25, 5437–5454 (2021). https://doi.org/10.1007/s00500-020-05544-w

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  • DOI: https://doi.org/10.1007/s00500-020-05544-w

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