tweaking FreeBSD for Squid using
pete at he.iki.fi
Tue Apr 15 23:19:00 PDT 2003
You mean ATA OVERLAP support? It seems to be there only with
the former IBM drives. Does not seem to change that much. Your interrupt
latency is usually three to four orders of magnitude smaller than disk latency
anyway. I used to buy IBM drives but gave up because of reliability issues and
changed over to WD.
> The last time I checked IDE drives were still sequential in their
> access.. so by design a bottleneck for high performance databases
> or squid.. and a burden for your cpu
> Lucio Jankok
> On Wed, Apr 16, 2003 at 07:52:34AM +0300, Petri Helenius wrote:
> :> I don't know. Seems that IDE disks evolve too fast for me nowadays.
> :> That's also why I was writing that I'm not even sure that the old
> :> stance "don't use IDE for servers" is still valid.
> :> OOTH, I've had a lot of trouble with busy IDE-based (ASUS P4* m/b)
> :> FreeBSD servers lately (hard hangs, see bug kern/44867).
> :Western digital Raptor´s spin at 10000rpm though they only come with 37 gig
> :at the moment. So good for database applications but not for large scale storage.
> :freebsd-performance at freebsd.org mailing list
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> The whole problem with the world is that fools and fanatics are always
> so certain of themselves, and wiser people so full of doubts.
> --Bertrand Russell
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