Load balancing and fault-tolerance for scalable network file systems using by web services

  • Authors:
  • Hsien-Tsung Chang

  • Affiliations:
  • Computer Science and Information Engineering, Chang Gung University, Taoyuan County, Taiwan, R.O.C.

  • Venue:
  • ICCOMP'09 Proceedings of the WSEAES 13th international conference on Computers
  • Year:
  • 2009

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Abstract

Due to the rapid growth of World Wide Web and the popularization of personal computer, the number of World Wide Web users is increasing in an incredible speed. It makes the need of disk space for a large web service also increases in the same rate. Therefore, it becomes to an important technique to design and implement a powerful network file system for the large web service providers. In this paper we proposed three design issues for the scalable network file system. We use the variable number of objects within a bucket to decrease the internal fragmentation in small files. We also proposed the free space and access load-balancing mechanism to balance the overall loading within the bucket servers. And last we proposed a mechanism for caching data which is frequently accessed to lower the total number of disk I/O. These proposed mechanisms will effectively improve the performance of the scalable network file system for the large web services.