On Wed, 10 May 2000, Duane Wessels wrote:
>
>
> On Wed, 10 May 2000, Keith, Bruce wrote:
>
> > Hello Polygraphers,
> >
> > Has anyone successfully run Polygraph on Linux with Squid on Linux?
> > If so, could you post the versions of
> > Polygraph, Squid, and Linux that were used? I've looked in the Squid and
> > Polygraph mail list archives, found lots of hints,
> > but didn't find a definitive email that said 'yes, it works.'
> >
> > I've been trying to run both Polygraph 1.0p7and Squid 2.3-STABLE1
> > with Linux Kernel 2.2.14, however, Polygraph
> > builds up a large number of outstanding requests and eventually fails due to
> > insufficient file descriptors. I've upped the number of file descriptors to
> > 16K, as well as increased the number of open files, etc., and rebuilt
> > Polygraph as mentioned in the various web pages for Squid and Polygraph. I'm
> > running on 100 Mbit Ethernet full duplex (verified by netperf) at a request
> > rate
> > of 100/sec.
>
> Sounds to me like you're giving Squid too much traffic. Maybe start with
> 25 req/sec?
>
> Duane W.
>
>
I would suggest to try using different machines for the squid and the
polygraph. One machine configuration is quite painfull(having done all
these hacks you propably have seen).But make one step at a time
to find your real bottlenecks (could be the ethernet...)
average_traffic = {average_page_size *
number_of_pages_on_the_ethernet/sec}
good lack
Nick
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