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Performance Evaluation of the Remote Cooperation System in PRIMA

Michael Gesmann

University of Kaiserslautern
Federal Republic of Germany
email: gesmann@informatik.uni-kl.de

Full paper (postscript version, compressed by gzip or PDF version )

Abstract

In order to achieve acceptable performance when executing queries in enhanced database systems, e.g. for engineering and knowledge-based applications, intra-query as well as inter-query parallelism are required. Therefore, systems exploiting different kinds of parallelism need an environment offering suitable implementation capabilities. This paper describes different mechanisms for supporting parallel query execution in enhanced database systems. In order to provide efficient intra- as well as inter-query parallelism in our enhanced database management system, we introduce the basic communication system, called Remote Cooperation System. Thereafter, we present alternative implementations and finally present an analysis of their performance behavior. We implemented two different system architectures which will be compared in more detail. In order to get a better assessment of theses implementations, we compare our measurements to those obtained with conventional remote procedure call facilities offered by operating systems. The results demonstrate that the Remote Cooperation System is a suitable basic communication system in order to efficiently realize parallel query execution, especially in our enhanced database system called PRIMA.

in: SFB-Bericht 23/94, University Kaiserslautern, 1994