viktor.villafuerte at optusnet.com.au
Mon Dec 14 23:20:01 CET 2015
On Fri 11 Dec 2015 08:36:06, Per Buer wrote:
> On Fri, Dec 11, 2015 at 5:19 AM, Viktor Villafuerte <
> viktor.villafuerte at optusnet.com.au> wrote:
> > Ladies, gents
> > In the Varnish on-line docs (section Tuning) there's a paragraph that
> > states:
> > "We rarely recommend running with more than 5000 threads. If you
> > seem to need more than 5000 threads, it’s very likely that there is
> > something not quite right about your setup.."
> Those are my words. 99% installation have a request rate under 2-3000
> request per second and 5000 threads is more than enough. We've seen quite a
> few people adding tens of thousands of threads. I should probably replace
> with something like a formula.
> There are no well defined limits wrt capacity but in general people seem to
> struggle to push Varnish significantly beyond 15Gbps with real with
> traffic. I have not experienced this first hand and nobody has given me
> access to a live server with those kind of traffic numbers on it. Also,
> nobody get particularly specific wrt what breaks. I think it definitely
> should be possible to reach 20Gbps without any issue, but that is more an
> opinion than a fact.
Would you guys like to have some stats when we reach traffic levels over
15Gbps? If yes then what stats would you like?
Currently we're running at 12Gbps very comfortably with 2 pools of 15k
> With synthetic traffic it is no problem reaching 80Gbps.
> *Per Buer*
> CTO | Varnish Software AS
> Cell: +47 95839117
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