Re: [squid-users] Vary object loop

On Mon, 2008-03-17 at 06:25 +0900, Adrian Chadd wrote:
> On Fri, Mar 14, 2008, Alex Rousskov wrote:
>
> > > I think it actually is a bug in the Vary handling in Squid-3.
> > > The condition:
> > >
> > > if (!has_vary || !entry->mem_obj->vary_headers) {
> > > if (vary) {
> > > /* Oops... something odd is going on here.. */
> > >
> > > .. needs to be looked at.
> >
> > But it is not the condition getting hit according to Aurimas' log, is
> > it?
>
> There's two confusing log messages with the same message, which is confusing
> things.

The messages are indeed poorly written, but they are different:

        varyEvaluateMatch: Oops. Not a Vary object on second attempt,
        varyEvaluateMatch: Oops. Not a Vary match on second attempt,

That is why I said that it was the other, arguably less suspicious,
condition being hit here.

Thanks,

Alex.

On Fri, 2008-03-14 at 14:58 +0000, Aurimas Mikalauskas wrote:
> The next question is about Vary header. I get absolutely amazing
> amount of these errors in cache.log:
>
> 2008/03/14 10:46:54| clientProcessHit: Vary object loop!
> 2008/03/14 10:46:54| varyEvaluateMatch: Oops. Not a Vary match on
> second attempt, 'http://some.url' 'accept-encoding'
> 2008/03/14 10:46:55| clientProcessHit: Vary object loop!
> 2008/03/14 10:46:55| varyEvaluateMatch: Oops. Not a Vary match on
> second attempt, 'http://some.other.url'
> 'accept-encoding="gzip,%20deflate"'
>
> A rough number:
> # grep -c 'Vary object loop' cache.log && wc -l squid_access.log
> 244816
> 1842602 squid_access.log
>
> Any idea what kind of loop that is and how to avoid it?
Received on Sun Mar 16 2008 - 21:21:13 MDT