backend write error: 11 on POST

Bedis 9 bedis9 at gmail.com
Wed Apr 28 11:57:27 CEST 2010


Hi,

What is your backend configuration in VCL?
Is your backend fast enough?

cheers


2010/4/28 Václav Bílek <v.bilek at 1art.cz>:
> Hello
>
> does anybody know what does
>
>  FetchError   c backend write error: 11
>
> means?
>
> We are hitting this error on some POST requests, on backend we see only
> part of POST data the rest is cut off.
>
>
>
>
>
> varnish 2.0.5
> debian lenny 64bit
>
>  386 SessionOpen  c xx.xx.xx.xx 4739 0.0.0.0:80
>  386 ReqStart     c xx.xx.xx.xx 4739 2008870321
>  386 RxRequest    c POST
>  386 RxURL        c /index.php?cmd=cms.odds.bookmaker&action=5&itemID=52
>  386 RxProtocol   c HTTP/1.1
>  386 RxHeader     c Accept: image/gif, image/jpeg, image/pjpeg,
> image/pjpeg, application/x-shockwave-flash, application/x-silverlight,
> application/vnd.ms-excel, application/vnd.ms-powerpoint,
> application/msword, application/x-ms-application, application/x-ms-xbap,
> applicatio
>  386 RxHeader     c Referer:
> http://xxx.xxxxx.com/index.php?cmd=cms.odds.bookmaker&action=4&itemID=52
>  386 RxHeader     c Accept-Language: cs
>  386 RxHeader     c User-Agent: Mozilla/4.0 (compatible; MSIE 8.0;
> Windows NT 5.1; Trident/4.0; .NET CLR 1.1.4322; .NET CLR 2.0.50727; .NET
> CLR 3.0.4506.2152; .NET CLR 3.5.30729)
>  386 RxHeader     c Content-Type: application/x-www-form-urlencoded
>  386 RxHeader     c Accept-Encoding: gzip, deflate
>  386 RxHeader     c Host: wata.flashscore.com
>  386 RxHeader     c Content-Length: 10988
>  386 RxHeader     c Connection: Keep-Alive
>  386 RxHeader     c Cache-Control: no-cache
>  386 RxHeader     c Cookie: cmsSID=b5517812196c0f07c61cf9323cb037c5
>  386 RxHeader     c Authorization: Basic cGFydG5lcjpPZmljZTY5
>  386 VCL_call     c recv pass
>  386 VCL_call     c pass pass
>  386 Backend      c 387 default default
>  386 FetchError   c backend write error: 11
>  386 VCL_call     c error deliver
>  386 Length       c 1519
>  386 VCL_call     c deliver deliver
>  386 TxProtocol   c HTTP/1.1
>  386 TxStatus     c 503
>  386 TxResponse   c Service Unavailable
>  386 TxHeader     c Server: Varnish
>  386 TxHeader     c Retry-After: 0
>  386 TxHeader     c Content-Length: 1519
>  386 TxHeader     c Date: Wed, 28 Apr 2010 09:10:50 GMT
>  386 TxHeader     c Age: 1
>  386 TxHeader     c Connection: close
>  386 ReqEnd       c 2008870321 1272445849.859823942
> 1272445850.874999046 0.000030756 1.015151501 0.000023603
>
>
>
> Vaclav Bilek
>
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