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Estimating the performance efficiency of ERP system with the relational database in a heterogenic environment

The article presents a study of the performance of a commercial ERP system, operating
in the 2W model with a relational database installed on the IBM mainframe platform, as well as business logic and presentation server installed on the Windows Server platform.
The study was carried out in accordance with the developed methodology by means of recording the time of performing system functions indicated in the own document “Time-use profile of the ERP system under test”. Consulting sessions were also held.
Based on the results of the research, a recommendation was made to migrate production relational databases to the Windows Server environment.
Keywords: IT, relational database, ERP, MRPII, three-layer architecture, application performance.

