Prototyping DBS3, a shared-memory parallel database system

  • Authors:
  • Björn Bergsten;Michel Couprie;Patrick Valduriez

  • Affiliations:
  • -;-;-

  • Venue:
  • PDIS '91 Proceedings of the first international conference on Parallel and distributed information systems
  • Year:
  • 1991

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Abstract

DBS31 is a database system with extended relational capabilities designed for a shared-memory multiprocessor. This paper presents the design choices, architecture and performance evaluation of the current DBS3 prototype. The major contributions of DBS3 are: a parallel dataflow execution model based on data declustering, the compile-time optimization of both independent and pipelined parallelism, and the exploitation of shared-memory for efficient concurrent execution. The current DBS3 ptototype runs on a shared-memory, commercially available multiprocessor. The initial performance experiments for single-user queries are promising and show excellent response times and scalability.