Caching and Writeback Policies in Parallel File Systems
[kotz:writeback]David Kotz and Carla Schlatter Ellis. Caching and Writeback Policies in Parallel File Systems. Proceedings of the IEEE Symposium on Parallel and Distributed Processing (SPDP), pages 60–67. IEEE, December 1991. doi:10.1109/SPDP.1991.218296. ©Copyright IEEE. Revision of kotz:thesis. Later revised as kotz:jwriteback.
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. We examine several writeback policies, and give results of experiments that test their performance.
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