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An introduction to IO profiling Linux applications with strace...
The goal behind IO profiling is to understand the application not necessarily to understand the storage system itself. The information is to be about the application - how does it perform writes, how does it perform reads, how much lseek happens, what kind of IOPS performance does the application require, etc. However, to obtain this information was can’t divorce ourselves completely from the storage system but we can at least gain something beyond an empirical knowledge.
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