Recently, I'm benchmarking all kinds of stuff on my systems. And one question I can't intelligently answer is what blocksize I should use in these tests.
I assume there is something which monitors present disk activity, that I could run on my production servers, to give me some statistics of the block sizes that the users are actually performing on the production server. And then I could use that information to make an informed decision about block size to use while benchmarking. Is there a man page I should read, to figure out how to monitor and get statistics on my real life users' disk activity? Thanks.
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