Caching and Writeback Policies in Parallel File Systems
[kotz:jwriteback]David Kotz and Carla Schlatter Ellis. Caching and Writeback Policies in Parallel File Systems. Journal of Parallel and Distributed Computing, volume 17, number 1--2, pages 140–145. Academic Press, January 1993. doi:10.1006/jpdc.1993.1012. ©Copyright Academic Press. Revision of kotz:writeback.
Improvements in the processing speed of multiprocessors 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 processor and disk speeds. Such parallel disk systems require parallel file system software to avoid performance-limiting bottlenecks. We discuss cache management techniques that can be used in a parallel file system implementation for multiprocessors with scientific workloads. We examine several writeback policies, and give results of experiments that test their performance.
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