Hi All, I've been seeing weird behavior on and off recently on our varnish install and not sure whats going on, it would seem we're getting random FetchErrors:
> FetchError c chunked read_error: 0 Which is resulting in a 503 being returned to the end user. This seems to only happen once, and then on a refresh of the page, it loads correctly. We do have multiple apache backends, so I thought it might be a particular backend causing problems, so we put a restart in our vcl_error, but that still doesn't seem to help things along. I've confirmed we have mod_deflate disabled in apache and we're even stripping out the accept encoding in our VCL (sub vcl_recv) > remove req.http.Accept-Encoding; Here's an excerpt from our varnishlog: > 135 RxRequest c GET > 135 RxURL c xxxxxxx > 135 RxProtocol c HTTP/1.1 > 135 RxHeader c Accept: image/gif, image/jpeg, image/pjpeg, > application/x-ms-application, application/vnd.ms-xpsdocument, > application/xaml+xml, application/x-ms-xbap, application/vnd.ms-excel, > application/vnd.ms-powerpoint, application/msword, application/x-shockwave-fla > 135 RxHeader c Referer: xxxxxxx > 135 RxHeader c Accept-Language: en-ca > 135 RxHeader c User-Agent: Mozilla/4.0 (compatible; MSIE 8.0; Windows > NT 6.0; Trident/4.0; SLCC1; .NET CLR 2.0.50727; .NET CLR 3.5.30729; > InfoPath.2; .NET CLR 3.0.30729; .NET4.0C; OfficeLiveConnector.1.5; > OfficeLivePatch.1.3) > 135 RxHeader c Accept-Encoding: gzip, deflate > 135 RxHeader c Host: xxxxxxx > 135 RxHeader c Connection: Keep-Alive > 135 RxHeader c Cookie: xxxxxxx > 135 VCL_call c recv lookup > 135 VCL_call c hash hash > 135 VCL_call c miss fetch > 135 Backend c 146 loadbalancer APP_7 > 135 TTL c 1763959069 RFC 5 1285264818 0 0 0 0 > 135 VCL_call c fetch > 135 TTL c 1763959069 VCL 31536000 1285264818 > 135 VCL_return c deliver > 135 ObjProtocol c HTTP/1.1 > 135 ObjStatus c 200 > 135 ObjResponse c OK > 135 ObjHeader c Date: Thu, 23 Sep 2010 18:00:18 GMT > 135 ObjHeader c Server: Apache/2.2.14 (Ubuntu) > 135 ObjHeader c X-Powered-By: PHP/5.3.2-1ubuntu4.2 > 135 ObjHeader c Content-Type: text/html; charset=utf-8 > 135 FetchError c chunked read_error: 0 > 135 VCL_call c error restart > 135 VCL_call c recv lookup > 135 VCL_call c error deliver > 135 Length c 52 > 135 VCL_call c deliver deliver > 135 TxProtocol c HTTP/1.1 > 135 TxStatus c 503 > 135 TxResponse c Service Unavailable > 135 TxHeader c Server: Varnish Anyone have any ideas? Dave
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