LostHeader in Varnish 3.0.0

Audun Ytterdal audun at ytterdal.net
Wed Jul 6 09:42:19 CEST 2011


I had to increase

thread_pool_workspace and sess_workspace as well to prevent asserert-errors.

On Wed, Jul 6, 2011 at 1:52 AM, Gil Hildebrand <gilhildebrand at gmail.com> wrote:
> Why thank you Lee! That was exactly what I needed.
>
> On Tue, Jul 5, 2011 at 5:44 PM, Lee Trout <lee at leetrout.com> wrote:
>>
>> Great question!
>> Just solved this problem this week...  The docs are horribly outdated /
>> missing info :(
>> You need to use runtime parameters.  For example, to allow 20k headers
>> (default is 2k) use the following params when you start varnish:
>> -p http_req_hdr_len=20000 -p http_resp_hdr_len=20000
>> Lee
>> On Tue, Jul 5, 2011 at 7:14 PM, Gil Hildebrand <gilhildebrand at gmail.com>
>> wrote:
>>>
>>> I am testing upgrade from Varnish 2.0 to 3.0.
>>> In some cases, because of our advertising and analytics partners, cookies
>>> can be excessively long. This appears to be a problem in Varnish 3.0, as I
>>> get a 400 Bad Request response. When I look at varnishlog, I see a
>>> LostHeader for the Cookie header.
>>> I found some history on similar issues:
>>> http://comments.gmane.org/gmane.comp.web.varnish.misc/3236
>>> https://www.varnish-cache.org/trac/ticket/455
>>>
>>> https://www.varnish-cache.org/lists/pipermail/varnish-commit/2009-April/004227.html
>>> Initially I installed Varnish via rpm, so I downloaded the source to see
>>> if I could fix the problem via patch and compile. Unfortunately, I could not
>>> find HTTP_HDR_MAX_VAL anywhere in the source. Was it removed? Is there now a
>>> better way to increase the max number of headers?
>>> _______________________________________________
>>> varnish-misc mailing list
>>> varnish-misc at varnish-cache.org
>>> https://www.varnish-cache.org/lists/mailman/listinfo/varnish-misc
>>
>
>
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