Pluggable Disk Schedulers in GEOM

[Ivan Voras]

Julian Elischer wrote:
> Ivan Voras wrote:
> 
>> Have both of you seen this:
>> http://wikitest.freebsd.org/Hybrid
> 
> It has no performance numbers at all.
> Do you know of any?

Nope, nothing except a vague (and unreliable) memory of reading
somewhere there was no improvement, so it wasn't pursued further. Luigi
Rizzo posted an interesting comment.

The lack of results puzzled me at the time since I read Linux supposedly
got decent improvements at the beginning of their 2.6 branch.

Here's some links (admittedly, Googled as I don't have my own from that
time):

- http://linux.inet.hr/files/ols2005/seelam-reprint.pdf
- http://kerneltrap.org/node/580
- http://www.redhat.com/magazine/008jun05/features/schedulers/

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