Long wait for first byte

Alex Hooper ahooper at bmjgroup.com
Tue Oct 19 12:47:39 CEST 2010


sebastiaan.jansen at kpn.com uttered:
> I haven't tested it latterly, but doesn't chunked-encoding -support fix this, since a few months ago?
> 

Hi Sebastiaan,

Thanks for that, I'll take more of a look once we've upgraded to 2.1.3 in a 
couple of weeks.

And thanks Martin and Sam for your quick responses. This time, I'm able to work 
around with a long expiry time and manual purging and priming of the cache when 
required.

Cheers,

Alex.

> Regards,
> Sebastiaan
> 
> -----Oorspronkelijk bericht-----
> Van: varnish-misc-bounces at varnish-cache.org [mailto:varnish-misc-bounces at varnish-cache.org] Namens Martin Boer
> Verzonden: vrijdag 8 oktober 2010 13:29
> Aan: varnish-misc at varnish-cache.org
> Onderwerp: Re: Long wait for first byte
> 
> Hello Alex,
> 
> Short version; it is and you can't.
> The developers are aware that this is an issue for some people but I 
> can't remember if there is a workaround.
> 
> Regards,
> Martin
> 
> 
> On 10/08/2010 12:58 PM, Alex Hooper wrote:
>> Hi,
>>
>> We have a 128MB zip file behind varnish which, when it has expired 
>> from cache or when I add magic headers to force a PASS, produces a 
>> long delay between request and first byte. Is varnish waiting to 
>> retrieve the whole object before starting to send it to the client? If 
>> so, can I modify that behaviour?
>>
>> Many thanks,
>>
>> Alex.
> 
> 
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-- 
Alex Hooper
Operations Team Leader, BMJ Group, BMA House, London WC1H 9JR
Tel: +44 (0) 20 7383 6049
http://group.bmj.com/

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