Asynchronous replication for evolutionary database development: a design for the experimental assessment of a novel approach

Authors:
Helves Humberto Domingues;Fabio Kon;João Eduardo Ferreira
Affiliations:
Department of Computer Science, University of São Paulo, Brazil;Department of Computer Science, University of São Paulo, Brazil;Department of Computer Science, University of São Paulo, Brazil
Venue:
OTM'11 Proceedings of the 2011th Confederated international conference on On the move to meaningful internet systems - Volume Part II
Year:
2011

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Abstract

Environments with frequent changes in application requirements demand an evolutionary approach for database modeling. The challenge is greater when the database must support multiple applications simultaneously. An existing solution for database evolution is refactoring with a transition period. During this period, both the old and the new database schemas coexist and data is replicated in a synchronous process. This solution brings several difficulties, such as interference with the operation of applications. To minimize these difficulties, in this paper we present an asynchronous approach to keep these schemas updated. This paper presents the design for an experimental assessment of this novel approach for evolutionary database development.