varnish *slowing* down site, any ideas?

Stig Bakken stig at
Wed Mar 28 09:45:35 CEST 2012

On Wed, Mar 28, 2012 at 1:31 AM, Zachary Alex Stern <
zacharyalexstern at> wrote:

> Hey there,
> We have a lot of websites (perhaps 15-20) running on apache, behind a
> varnish cache.
> One of our sites seems to experience random slowdowns when varnish is
> enabled. It will take between 5-20 seconds to load, fairly frequently. Our
> other sites all seem unaffected.
> When I disable varnish and have apache listen on port 80, the problem
> disappears entirely.
> Any thoughts?
> Here's our vcl.conf if it helps:

For this kind of problem, it is very useful if you post the output of
"varnishadm" and "varnishstat -1" as well.

 - Stig
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