Re: [squid-users] Performance and stupid questions

* Chaillot Nicolas <nicolas.chaillot.devoteam@axa.fr>:

> Kernel is 2.4.20-SMP (directly from Redhat 9 ).

In that case some other processes can utilize the other processor --
maybe the dns-caching component of squid.

> > Squid is probably I/O bound. And due to it's architecture it cannot
> > take advantage of another processor.
>
> I didn't know that.

It has to fetch & write data from and to the disk.

> That's not so far of what I'm doing: I'm currently in the test period.

Excellent!

> >At a real-world load (production use) of 200 connections/s it has a
> load of 0.75.
>
> You mean 0.75% of CPU Load ??? Impressive !!!
> Is it 200 connection/s = 200 request/sec ??

Yes. We use 3 proxies here. 2 of the type I mentioned and one humble
old Sun box with two processors. We split the load by giving one box
all ".de" domains, the other box does all of ".com" while the old box
does the rest.

-- 
Ralf Hildebrandt (Im Auftrag des Referat V a)   Ralf.Hildebrandt@charite.de
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