Abstract
Network of workstations (NOW) is an attractive alternative to parallel database systems. Here we present a distributed architecture for parallel query processing on networks of workstations. We describe a comprehensive design that synthesizes knowledge from parallel and distributed systems area on scheduling, load sharing and loop scheduling. To study the performance of this architecture, we have implemented the distributed architecture using PVM on a Pentium-based NOW system. Our results show that the distributed architecture achieves good speedups and scaleups.
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