Communication Cost in Parallel Query Processing

    edbt/icdt workshops, Volume abs/1602.06236, 2016, Pages 27

    Cited by: 6|Bibtex|Views5|Links
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    Abstract:

    We study the problem of computing conjunctive queries over large databases on parallel architectures without shared storage. Using the structure of such a query $q$ and the skew in the data, we study tradeoffs between the number of processors, the number of rounds of communication, and the per-processor load -- the number of bits each pro...More

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