Parallel Evaluation of Multi-join Queries

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Abstract

A number of execution strategies for parallel evaluation of multi-join queries have been proposed in the literature. In this paper we give a comparative performance evaluation of four execution strategies by implementing all of them on the same parallel database system, PRISMA/DB. Experiments have been done up to 80 processors. These strategies, coming from the literature, are named: Sequential Parallel, Synchronous Execution, Segmented Right-Deep, and Full Parallel. Based on the experiments clear guidelines are given when to use which strategy. This is an extended abstract; the full paper appeared in Proc. ACM SIGMOD'94, Minneapolis, Minnesota, May 24–27, 1994
Original languageUndefined
Pages90-97
Number of pages8
DOIs
Publication statusPublished - Sep 1996

Keywords

  • IR-66476
  • DB-PDB: PARALLEL DATABASES
  • EWI-7368

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