Effect of Skew on Join Performance in Parallel Architectures

Abstract

Skew in the distribution of values taken by an attribute is identified as a major factor that can affect the performance of parallel architectures for relational joins. The effect of skew on the performance of two parallel architectures is evaluated using analytic models. In one architecture, called database machine (DBMC), data as well as processing power… (More)
DOI: 10.1109/DPDS.1988.675008

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