Re: [squid-users] Odd behaivoir

Le mardi 6 octobre 2009 18:57:34, Amos Jeffries a écrit :
> On Tue, 6 Oct 2009 17:57:24 -0500, Luis Daniel Lucio Quiroz
>
> <luis.daniel.lucio_at_gmail.com> wrote:
> > Hi Squids,
> >
> > Using Squid 3.0.19 we're having problems adding one more ACL. Our
> > configuration has about 2000 http_access and about 2500 acl's.
> >
> > Now, adding one more acl, or even modifying a file pointed by an acl such
> > as
> > acl myacl dstregexp "myfile", our squid is slowing to much.
> >
> > Symtopms:
> > - squid -k pharse, OK
> > - squid -k reconfigure, squid slows. cache.log says squid is reloading
>
> but
>
> > it
> > is too slow, squid process begins to uses about 99% of cpu. No "dying"
> > message
> > at log.
> >
> > I wonder to know if there is a maximun in squid acl, https, regexp.
>
> No defined limits as such. It's just long lists/trees that need to be
> walked over individually on each use and built on reconfigure.
>
> The http_access list get walked once per request. Each ACL (mostly trees,
> some lists) get walked once per test. How fast or slow really depends on
> what types of ACL and what order you place them in http_access.
>
> Why do you have so many?
>
> Amos
>
So many,
see my debug here http://pastebin.com/f197606fa
from lines 58-62, helpers delay too much. This is not a little machine, it is
8 cpus amd @3.2Ghz, 64 bits, with 64 GB in RAM.
If we remove any ACL we've added, this does not occur.
Received on Wed Oct 07 2009 - 05:14:43 MDT