Scheduling with QoS in parallel I/O systems

  • Authors:
  • Ajay Gulati;Peter Varman

  • Affiliations:
  • Rice University;Rice University

  • Venue:
  • SNAPI '04 Proceedings of the international workshop on Storage network architecture and parallel I/Os
  • Year:
  • 2004

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Abstract

Parallel I/O architectures are increasingly deployed for high performance computing and in shared data centers. In these environments it is desirable to provide QoS-based allocation of disk bandwidth to different applications sharing the I/O system. In this paper, we introduce a model of disk bandwidth allocation, and provide efficient scheduling algorithms to assign the bandwidth among the concurrent applications.