A performance study on the synchronisation of heterogeneous Grid databases using CONStanza

Authors:
Gianni Pucciani;Andrea Domenici;Flavia Donno;Heinz Stockinger
Affiliations:
CERN, CH-1211 Geneva 23, Switzerland;DIIEIT, University of Pisa, v. Diotisalvi 2, I-56122 Pisa, Italy;CERN, CH-1211 Geneva 23, Switzerland;Swiss Institute of Bioinformatics (Vital-IT Group), Quartier Sorge, Bítiment Génopode, CH-1015 Lausanne, Switzerland
Venue:
Future Generation Computer Systems
Year:
2010

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Abstract

In Grid environments, several heterogeneous database management systems are used in various administrative domains. However, data exchange and synchronisation need to be available across different sites and different database systems. In this article we present our data consistency service CONStanza and give details on how we achieve relaxed update synchronisation between different database implementations. The integration in existing Grid environments is one of the major goals of the system. Performance tests have been executed following a factorial approach. Detailed experimental results and a statistical analysis are presented to evaluate the system components and drive future developments.