Benchmarking Parallel File Systems
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Posted by Kenneth Farmer, Thursday January 05 2006 @ 11:22AM EST
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Cluster Monkey: In past columns, we've been talking about PVFS. We talked about how to configure it for performance, flexibility, and fault tolerance. If you are interested in performance, you need some way of measuring how the performance changes when you make changes. In this column, I'll talk about how one benchmarks parallel file systems. Of course, when I talk about benchmarks I don't mean comparing parallel file systems to one another. Rather, I mean the ability to determine the effects of changes on the performance of the parallel file system. This information gives you the ability to tune applications to maximize performance on a given parallel file system or to tune a parallel file system for a given set of codes.
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