Practical Prefetching Techniques for Parallel File Systems

  title={Practical Prefetching Techniques for Parallel File Systems},
  author={David Kotz and Carla Schlatter Ellis},
Improvements in the processing speed of multipro cessors are outpacing improvements in the speed of disk hardware Parallel disk I O subsystems have been proposed as one way to close the gap between proces sor and disk speeds In a previous paper we showed that prefetching and caching have the potential to de liver the performance bene ts of parallel le systems to parallel applications In this paper we describe exper iments with practical prefetching policies and show that prefetching can be… CONTINUE READING
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