Messages in this thread |  | | | Date | Mon, 22 May 2006 22:36:21 +0300 | | From | Avi Kivity <> | | Subject | Re: tuning for large files in xfs |
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fitzboy wrote: > That makes sense, but how come the numbers for the large file (2TB) > doesn't seem to match with the Avg. Seek Time that 15k drives have? Avg > Seek Time for those drives are in the 5ms range, and I assume they > aren't just seeking in the first couple tracks when they come up with > that number (and Bonnie++ confirms this too). Any thoughts on why it is > double for me when I use the drives? >
What's your testing methodology?
You can try to measure the amount of seeks going to the disk by using iostat, and see if that matches your test program.
-- Do not meddle in the internals of kernels, for they are subtle and quick to panic.
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