Question about threads
rafael.umann at terra.com.br
Thu Jun 19 17:32:32 CEST 2008
On Thu, 19 Jun 2008 08:05:21 -0700
"Michael S. Fischer" <michael at dynamine.net> wrote:
> On Thu, Jun 19, 2008 at 5:37 AM, Rafael Umann
> <rafael.umann at terra.com.br> wrote:
> > > What is your request:connection ratio?
> > Unfortunately now i dont have servers doing 20000 hits/second, and
> > thats why i dont have stats for you.
> Actually, it's right there in your varnishstat output:
> 36189916 476.66 250.71 Client connections accepted
> 404804204 5494.13 2804.30 Client requests received
> Your request:connection ratio is > 10:1! This is a very good
> situation to be in. varnish doesn't have to spawn nearly as many
> threads as it would if the ratio were lower, as is common at many
> other sites.
OK, what i meant is that i dont have the stats for the amount of
hits/second that i told u. Anyway, with this amount of traffic, with
this timeouts that i set, it will probablly be the same.
> > I have 6 servers runing this
> > service now, each one doing 5500 hits/sec with 10% CPU usage, and
> > this infrastructure scales to 20000 hits/sec each server.
> It's probably inaccurate to assume that things will scale linearly :)
Its not with Varnish :) actually i was surprised with this, but it
scales almost linearly to the 20000 hits/sec (ok, ok, with a litle bit
of response time decrease), but it dont go any further.
> Best regards,
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> Atualizado em 19/06/2008
Rafael Umann <rafael.umann at corp.terra.com.br>
Suporte Engenharia 1
Terra Networks Brasil S/A
Tel: 55 (51) 3284-4344
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