varnishncsa bad Time taken to serve the request

[César Sepúlveda]

a video... my english is not too good.

https://copy.com/uaaM3nMGVAuZ8ntk

--
César Sepúlveda
Jefe de Plataforma
Mediastream Chile

Email: csepulveda at mediastre.am
Teléfono: +56 2 24029750


2014-08-08 10:21 GMT-04:00 César Sepúlveda <csepulveda at mediastre.am>:

> Hi guys!.
>
> we are using varnish 3.0.5 and have an issue with Time taken to serve the
> request parameter (%D)
>
> we realized that the varnishncsa log is written before the download is
> complete: example
>
>
> the download:
> imac-de-cesar:~ csepulveda$ wget --limit-rate=100k
> http://xxx.xxx.com/assets/img/promo-win.jpg
> --2014-08-08 09:55:27--  http://xxxx.xxxx.com/assets/img/promo-win.jpg
> Resolving xxx.xxx.com... xx.xx.xx.xx.
> Connecting to xxx. xxx.com|xx.xx.xx.xx|:80... connected.
> HTTP request sent, awaiting response... 200 OK
> Length: 383810 (375K) [image/jpeg]
> Saving to: ‘promo-win.jpg.2’
>
> 100%[=========================================================================>]
> 383,810      101KB/s   in 3.7s
>
> 2014-08-08 09:55:31 (101 KB/s) - ‘promo-win.jpg.2’ saved [383810/383810]
>
>
>  The log:
> xx.xx.xx.xx "xx.xx.xx.xx" - [08/Aug/2014:13:55:33 +0000] "GET
> http://xxx.xxxx.com/assets/img/promo-win.jpg HTTP/1.0" 200 383810 "-"
> "Wget/UNKNOWN (darwin12.2.0)" 0.401839018 miss 0.785520
>
> The download take 3.7 seconds but varnishncsa show 0.785520.watching this
> with tail -f we see the log is writen when the download go on 5 or 8
> percent.
>
> The varnishncsa format is this:
> FORMAT="%h \"%{X-Forwarded-For}i\" %u %t \"%r\" %s %b \"%{Referer}i\"
> \"%{User-agent}i\" %{Varnish:time_firstbyte}x %{Varnish:handling}x %D"
>
> what we are doing wrong?
> can you help us?
>
> Thanks!.
>
> --
> César Sepúlveda
> Jefe de Plataforma
> Mediastream Chile
>
> Email: csepulveda at mediastre.am
> Teléfono: +56 2 24029750
>
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