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The Future of Storage: Devices and Tiering Software

Jul 31, 2011, 06:00 (0 Talkback[s])

[ Thanks to Amy Newman> for this link. ]

We're discovering that the performance of a much larger number of applications than previously thought are dominated by IOPS (I/O operations per second) performance. In my particular field, high performance computing (HPC), the examination of I/O patterns in applications is showing that small read and write function calls are much more common than previously thought.

"It's becoming fairly routine to see applications that write Gigabytes or even Terabytes of data to have a large number of 1K and 4K write and read function calls. Consequently, these workloads look increasingly like IOPS-dominated I/O patterns to the OS and the file system."

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