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Table-Comparison Prefetching in VIA-based Parallel File System
Newport Beach, CA October 08-October 11
DOI Bookmark: http://doi.ieeecomputersociety.org/10.1109/CLUSTR.2001.959971Third IEEE International Conference o ...
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Yoon-Young Lee, Kyungpook National University, Daegu, Korea
Dae-Wha Seo, Kyungpook National University, Daegu, Korea
Chei-Yol Kim, ETRI, Daejeon, Korea
Abstract : A parallel file system is normally used to support excessive file requests from parallel applications in a cluster system, whereas prefetching is useful for improving the file system performance. This paper proposes a table-comparison prefetching policy that is particularly suitable for parallel scientific applications and multimedia web services in a VIA-based parallel file system. VIA relieves the communi-cation overhead of traditional communication protocols, such as TCP/IP. The proposed policy introduces a table-comparison method to predict data for prefetching. In ad-dition, it includes an algorithm to determine whether and when prefetching is performed using the current available I/O bandwidth. Experimental results confirmed that the use of the proposed prefetching policy in a VIA-based parallel file system produced a higher file system performance.
Index Terms:
Parallel file system, prefetching, virtual interface architecture
Citation:
Yoon-Young Lee, Dae-Wha Seo, Chei-Yol Kim, "Table-Comparison Prefetching in VIA-based Parallel File System," cluster, pp.163, Third IEEE International Conference on Cluster Computing (CLUSTER'01), 2001
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