[K12OSN] How to DRASTICALLY speed up app response on K12LTSP

[Robert Arkiletian]

On 10/5/07, "Terrell Prudé Jr." <microman at cmosnetworks.com> wrote:

> > http://www.redhat.com/magazine/008jun05/features/schedulers/
> >
> Yo, man, you tryin' to fry my brain here?  :-)
>
> Actually, for K12LTSP servers, it appears from this article that the
> Anticipatory (AS) scheduler might be even better for high-interactive,
> e. g. desktop, performance issues.  Red Hat did their tests with an
> Oracle 10G task requiring lots and lots of disk I/O.  Of course, if the
> K12LTSP server also serves double-duty as a major file server for the
> LAN (e. g. Samba or NFS), then CFQ might be the better overall bet.
>
> As always, it all depends on what kind of load you're running on the box.

I have not tested my assumption but I don't think the AS scheduler is
what you want on an lstp server. AS is best for a single desktop.
Wikipedia explains it better than I can

http://en.wikipedia.org/wiki/Anticipatory_scheduling
http://en.wikipedia.org/wiki/CFQ


-- 
Robert Arkiletian
Eric Hamber Secondary, Vancouver, Canada
Fl_TeacherTool http://www3.telus.net/public/robark/Fl_TeacherTool/
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