[illumos-Developer] webrev: 975 disable disksort for SSDs
Adam Leventhal
ahl at delphix.com
Sun May 1 22:43:55 PDT 2011
Makes sense to me. I'll be interested to see the performance details.
Adam
On Sun, May 1, 2011 at 9:40 PM, Garrett D'Amore <garrett at nexenta.com> wrote:
> This is a trivial webrev. I've tested it, but not gathered any
> quantifiable data yet. (If someone feels that I absolutely must have
> such data to proceed, let me know. In this particular case, I think the
> change is relatively obvious and low risk... I've a colleague working to
> get actual numbers but it might take some time.)
>
> Webrev is here: http://mexico.purplecow.org/gdamore/webrev/nodisksort/
>
> As someone else has pointed out, yes, it would probably make sense to do
> this for RAID arrays too (HW raid), but its harder to detect those, and
> the situation isn't as clearly obviously a win as it is with solid state
> storage.
>
> There's a very short timer on this.
>
> - Garrett
>
>
>
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Adam Leventhal, Delphix
http://dtrace.org/blogs/ahl
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