Determining hash variations

[Caunter, Stefan]

The interaction between the webapp and vcl is how you know what is in the cache. 
Do you normalize AE? If you are hashing based on cookie you will see low hit rate. Add debug headers to observe what is pulled from cache with different clients. 

Stefan Caunter
Operations
TorstarDigital
416.561.4871

On 2011-02-12, at 1:23 PM, "Stewart Robinson" <stewsnooze at gmail.com> wrote:

> Hi,
> 
> I think that you won't be able to interrogate the cache to find out
> what is in it. You might be able to construct some script that watches
> varnishlog to build up a list of these URL variations but I wouldn't
> do that in production at comic reliefs scale.
> 
> Stew
> 
> On 12 February 2011 11:13, Ben Dodd <B.Dodd at comicrelief.com> wrote:
>> Hello,
>> 
>> Is there anyway to determine the number of hash variations a URL has in the cache? So if a page has multiple  versions based on cookies, accept-encoding etc.
>> 
>> Kind regards, Ben
>> 
>> Comic Relief  1st Floor  89 Albert Embankment  London SE1 7TP  Tel: 020 7820 2000  Fax: 020 7820 2222  red at comicrelief.com  www.comicrelief.com
>> 
>> Comic Relief is the operating name of Charity Projects, a company limited by guarantee and registered in England no. 1806414; registered charity 326568 (England & Wales) and SC039730 (Scotland). Comic Relief Ltd is a subsidiary of Charity Projects and registered in England no. 1967154. Registered offices: Hanover House, 14 Hanover Square, London W1S 1HP. VAT no. 773865187.
>> 
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>> 
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