Survey; how do you use Varnish?

Henry Paulissen henry at
Fri Jan 29 19:38:30 CET 2010

1) 8 (All servers are serving from mem, big machines. 6 as frontend in
cluster and load balanced, 1 as between frontend varnish and backend
application server and 1 as backup)
2) ~250MB/s (through varnish). 2.5m visitors a day, 27m pageviews a day
(for the whole website, some content doesn't go through varnish).
3) Online Adult Entertainment (<-- porn).
4) nope

5.1) WCCP support!!!!
5.2) My feature request:
5.3) Gzip support
5.4) VCL cookie handing
5.5) Synthetic content (I use error now, it doesn't bother me).


-----Original Message-----
From: varnish-misc-bounces at
[mailto:varnish-misc-bounces at] On Behalf Of Per Andreas
Sent: vrijdag 29 januari 2010 15:48
To: varnish-misc at
Subject: Survey; how do you use Varnish?

Hi list.

I'm working for Redpill Linpro, you might have heard of us - we're the
main sponsor of Varnish development. We're a bit curious about how Varnish
is used, what features are used and what is missing. What does a typical
installation look like? The information you would choose to reveal to me
would be aggregated and deleted and I promise you I won't use it for any
sales activities or harass you in any way. We will pubish the result on
this list if the feedback is significant. If you have the time and would
like to help us please take some time and answer the questions in a direct
mail to me. Thanks.

1) How many servers do you have running Varnish?

2) What sort of total load are you having? Mbit/s or hits per second are
preferred metrics.

3) What sort of site is it?
 *) Online media
 *) Cooperate website ( or similar)
 *) Retail
 *) Educational
 *) Social website

4) Do you use ESI?

5) What features are you missing from Varnish. Max three features,
prioritized. Please refer to for features. 

Per Andreas Buer
Redpill Linpro Group - Changing the Game

Mobile +47 958 39 117 / Phone: +47 21 54 41 21 
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