[Bug 3094] POOR I/O perfomance on VIA chipsets

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https://bugzilla.kernel.org/show_bug.cgi?id=3094





--- Comment #20 from Alan <alan@xxxxxxxxxxxxxxxxxxx>  2010-05-19 11:16:44 ---
I/O wait is measuring the amount of time the machine is waiting for the disk,
not how much it is using CPU. Disks haven't gotten much faster in the past ten
years (SSD aside) while processors dramatically did. There isn't a lot that can
be done about the speed of disks,. Getting the kernel to schedule I/O better
can help a bit but the fundamental problem is that a disk on a good day can
only really do about 200 operations/second.

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