Re: Parallel Booting

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>>>>> "AC" == Alan Cox <alan@xxxxxxxxxx> writes:

AC> Disk performance is usually quantified in ops/second. If you read
AC> linear data you'll get 57MB/sec. Go to true random access and
AC> performance is way way lower and hasn't improved much in the past
AC> ten years.

Well, these aren't disks (essentially zero seek time), so I'd expect
random access read performance to be extremely fast.  Random writes,
on the other hand, should be terrible.  I didn't have a lot of time to
benchmark this before heading home so I just ran bonnie++ but I left
off some options and the second line of results was entirely filled
with plusses.

But anyway, I was merely responding to the comment about SSDs
rendering this discussion moot.  Obviously disk access speed is a
factor in startup time, but I don't think it's anything close to the
dominating factor.

 - J<

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