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Parallel Processing Of Olap Queries Using A Cluster Of Workstations

Author

Listed:
  • S. DEHURI

    (P.G. Department of Information and Communication Technology, Fakir Mohan University, Vyasa Vihar, Balasore 756019, Orissa, India)

  • R. MALL

    (Department of Computer Science and Engineering, Indian Institute of Technology, Kharagpur 721302, Kolkata, India)

Abstract

Online analytical processing (OLAP) queries normally incur enormous processing overheads due to the huge size of data warehouses. This results in unacceptable response times. Parallel processing using a cluster of workstations has of late emerged as a practical solution to many compute and data intensive problems. In this article, we present parallel algorithms for some of the OLAP operators. We have implemented these parallel solutions for a data warehouse implemented on Oracle hosted in a cluster of workstations. Our performance studies show that encouraging speedups are achieved.

Suggested Citation

  • S. Dehuri & R. Mall, 2007. "Parallel Processing Of Olap Queries Using A Cluster Of Workstations," International Journal of Information Technology & Decision Making (IJITDM), World Scientific Publishing Co. Pte. Ltd., vol. 6(02), pages 279-299.
    • Handle: RePEc:wsi:ijitdm:v:06:y:2007:i:02:n:s0219622007002484
    DOI: 10.1142/S0219622007002484
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