On Thu, Apr 24, 2008 at 1:31 PM, Alex Rousskov <[EMAIL PROTECTED]> wrote: > > On Thu, 2008-04-24 at 10:27 -0600, Duane Wessels wrote: > > > > On Thu, 24 Apr 2008, Alex Rousskov wrote: > > > > > I do not think it is realistic to expect nearly linear scale (close to > > > 100% and 200% increase in performance), especially for the first > > > implementation. > > > > As you know, disk is usually the bottleneck. So I think your goals > > and expectations should state whether disk caching is involved or > > not. Assuming disk caching is involved, maybe even state what > > storage type and a typical hit ratio. > > Very good point. I should have said that for this particular question > let's consider the "pure" case of no caching (neither disk nor memory).
I believe another thing to consider is what if sysadmin configure squid with a very long url_regex acl (and use it in, say, http_access). Perhaps heavy acls should also be excluded from the metric. Regards, -- Gonzalo A. Arana
