Hi Michael, That was the problem, the server was not returning the "Vary: Accept-Encoding", I didn't notice that detail in the headers sent by the server. Its working perfect right now.
Thank you very much. Regards, On Tue, Nov 17, 2009 at 11:42 AM, Michael S. Fischer <[email protected]> wrote: > Are you returning a "Vary: Accept-Encoding" in your origin server's response > headers? > > --Michael > > On Nov 17, 2009, at 4:01 PM, Daniel Rodriguez wrote: > >> Hi guys, >> >> I'm having a problem with a varnish implementation that we are testing >> to replace an ugly appliance. We were almost ready to place our server >> in a more real environment (some of our production sites), but I >> found out that there is something not working properly with the >> compression handling in my varnishd (varnish-2.0.5 - Debian) >> >> Varnish its returning the first object cached no matter if i ask for a >> clear object (no Accept-encoding specified) or a gzip/deflate object. >> If the object cached is a gzip object it will return that no matter if >> I later ask for a clear one later. >> >> According to what I have seen in the documentation varnish should keep >> both object versions (compressed and no-compressed) in the cache and >> deliver the one that its asked by the client. >> >> Step 1 >> >> I ask for a non-compressed object (no Accept-encoding specified). This >> works "great" >> >> GET -H "TE:" -sed "http://foo.bar/test/prueba.php"; >> 200 OK >> Cache-Control: max-age=20 >> Connection: close >> Date: Mon, 16 Nov 2009 16:56:06 GMT >> Via: 1.1 varnish >> Age: 0 >> Server: Apache >> Content-Length: 11013 >> Content-Type: text/html; charset=iso-8859-15 >> Last-Modified: Mon, 16 Nov 2009 16:56:06 GMT >> Client-Date: Mon, 16 Nov 2009 16:56:06 GMT >> Client-Peer: 10.10.10.10:80 >> Client-Response-Num: 1 >> X-Varnish: 1655545411 >> >> The request goes like this in the log: >> >> 12 SessionOpen c 10.20.20.20 57909 :80 >> 12 ReqStart c 10.20.20.20 57909 1655545411 >> 12 RxRequest c GET >> 12 RxURL c /test/prueba.php >> 12 RxProtocol c HTTP/1.1 >> 12 RxHeader c Connection: TE, close >> 12 RxHeader c Host: foo.bar >> 12 RxHeader c TE: >> 12 RxHeader c User-Agent: lwp-request/5.827 libwww-perl/5.831 >> 12 VCL_call c recv >> 12 VCL_return c lookup >> 12 VCL_call c hash >> 12 VCL_return c hash >> 12 VCL_call c miss >> 12 VCL_return c fetch >> 14 BackendOpen b default 10.10.10.10 33484 10.30.30.30 80 >> 12 Backend c 14 default default >> 14 TxRequest b GET >> 14 TxURL b /test/prueba.php >> 14 TxProtocol b HTTP/1.1 >> 14 TxHeader b Host: foo.bar >> 14 TxHeader b User-Agent: lwp-request/5.827 libwww-perl/5.831 >> 14 TxHeader b X-Varnish: 1655545411 >> 14 TxHeader b X-Forwarded-For: 10.20.20.20 >> 0 CLI - Rd ping >> 0 CLI - Wr 0 200 PONG 1258390564 1.0 >> 14 RxProtocol b HTTP/1.1 >> 14 RxStatus b 200 >> 14 RxResponse b OK >> 14 RxHeader b Date: Mon, 16 Nov 2009 16:56:01 GMT >> 14 RxHeader b Server: Apache >> 14 RxHeader b Cache-control: max-age=20 >> 14 RxHeader b Last-Modified: Mon, 16 Nov 2009 16:56:06 GMT >> 14 RxHeader b Connection: close >> 14 RxHeader b Transfer-Encoding: chunked >> 14 RxHeader b Content-Type: text/html; charset=iso-8859-15 >> 12 ObjProtocol c HTTP/1.1 >> 12 ObjStatus c 200 >> 12 ObjResponse c OK >> 12 ObjHeader c Date: Mon, 16 Nov 2009 16:56:01 GMT >> 12 ObjHeader c Server: Apache >> 12 ObjHeader c Cache-control: max-age=20 >> 12 ObjHeader c Last-Modified: Mon, 16 Nov 2009 16:56:06 GMT >> 12 ObjHeader c Content-Type: text/html; charset=iso-8859-15 >> 14 BackendClose b default >> 12 TTL c 1655545411 RFC 20 1258390566 0 0 20 0 >> 12 VCL_call c fetch >> 12 VCL_return c deliver >> 12 Length c 11013 >> 12 VCL_call c deliver >> 12 VCL_return c deliver >> 12 TxProtocol c HTTP/1.1 >> 12 TxStatus c 200 >> 12 TxResponse c OK >> 12 TxHeader c Server: Apache >> 12 TxHeader c Cache-control: max-age=20 >> 12 TxHeader c Last-Modified: Mon, 16 Nov 2009 16:56:06 GMT >> 12 TxHeader c Content-Type: text/html; charset=iso-8859-15 >> 12 TxHeader c Content-Length: 11013 >> 12 TxHeader c Date: Mon, 16 Nov 2009 16:56:06 GMT >> 12 TxHeader c X-Varnish: 1655545411 >> 12 TxHeader c Age: 0 >> 12 TxHeader c Via: 1.1 varnish >> 12 TxHeader c Connection: close >> 12 ReqEnd c 1655545411 1258390561.316438675 >> 1258390566.327898026 0.000134945 5.010995150 0.000464201 >> 12 SessionClose c Connection: close >> 12 StatSess c 10.20.20.20 57909 5 1 1 0 0 1 282 11013 >> >> Step 2 >> >> Then the next request will go with a (Accept-encoding: gzip), and >> returns me a clear object :( >> >> GET -H "Accept-encoding: gzip" -H "TE:" -sed >> "http://foo.bar/test/prueba.php"; >> 200 OK >> Cache-Control: max-age=20 >> Connection: close >> Date: Mon, 16 Nov 2009 16:56:09 GMT >> Via: 1.1 varnish >> Age: 3 >> Server: Apache >> Content-Length: 11013 >> Content-Type: text/html; charset=iso-8859-15 >> Last-Modified: Mon, 16 Nov 2009 16:56:06 GMT >> Client-Date: Mon, 16 Nov 2009 16:56:08 GMT >> Client-Peer: 10.10.10.10:80 >> Client-Response-Num: 1 >> X-Varnish: 1655545412 1655545411 >> >> 12 SessionOpen c 10.20.20.20 57910 :80 >> 12 ReqStart c 10.20.20.20 57910 1655545412 >> 12 RxRequest c GET >> 12 RxURL c /test/prueba.php >> 12 RxProtocol c HTTP/1.1 >> 12 RxHeader c Connection: TE, close >> 12 RxHeader c Accept-Encoding: gzip >> 12 RxHeader c Host: foo.bar >> 12 RxHeader c TE: >> 12 RxHeader c User-Agent: lwp-request/5.827 libwww-perl/5.831 >> 12 VCL_call c recv >> 12 VCL_return c lookup >> 12 VCL_call c hash >> 12 VCL_return c hash >> 12 Hit c 1655545411 >> 12 VCL_call c hit >> 12 VCL_return c deliver >> 12 Length c 11013 >> 12 VCL_call c deliver >> 12 VCL_return c deliver >> 12 TxProtocol c HTTP/1.1 >> 12 TxStatus c 200 >> 12 TxResponse c OK >> 12 TxHeader c Server: Apache >> 12 TxHeader c Cache-control: max-age=20 >> 12 TxHeader c Last-Modified: Mon, 16 Nov 2009 16:56:06 GMT >> 12 TxHeader c Content-Type: text/html; charset=iso-8859-15 >> 12 TxHeader c Content-Length: 11013 >> 12 TxHeader c Date: Mon, 16 Nov 2009 16:56:09 GMT >> 12 TxHeader c X-Varnish: 1655545412 1655545411 >> 12 TxHeader c Age: 3 >> 12 TxHeader c Via: 1.1 varnish >> 12 TxHeader c Connection: close >> 12 ReqEnd c 1655545412 1258390569.036545277 >> 1258390569.036923647 0.000121355 0.000098705 0.000279665 >> 12 SessionClose c Connection: close >> 12 StatSess c 10.20.20.20 57910 0 1 1 0 0 0 293 11013 >> >> My config: >> >> backend default { >> .host = "10.30.30.30"; >> .port = "80"; >> } >> >> acl purge { >> "localhost"; >> } >> >> sub vcl_recv { >> set req.grace = 2m; >> if (req.http.Accept-Encoding) { >> if (req.url ~ "\.(jpg|png|gif|gz|tgz|bz2|tbz|mp3|ogg)$") { >> # No se comprimen estos, no tiene logica >> remove req.http.Accept-Encoding; >> } elsif (req.http.Accept-Encoding ~ "gzip") { >> set req.http.Accept-Encoding = "gzip"; >> } elsif (req.http.Accept-Encoding ~ "deflate") { >> set req.http.Accept-Encoding = "deflate"; >> } else { >> # No se conoce el algoritmo >> remove req.http.Accept-Encoding; >> } >> } >> if (req.request == "PURGE") { >> if (!client.ip ~ purge) { >> error 405 "Not allowed."; >> } >> purge("req.url == " req.url); >> } >> if (req.http.Authorization) { >> return (pass); >> } >> return(lookup); >> } >> >> sub vcl_fetch { >> set obj.grace = 2m; >> if(obj.http.Pragma ~ "no-cache" || obj.http.Cache-Control ~ >> "no-cache" || obj.http.Cache-Control ~ "private" || >> obj.http.Cache-Control ~ "max-age=0" || obj.http.Cache-Control ~ >> "must-revalidate" || obj.http.Cache-Control ~ "private" ) { >> pass; >> } >> if (!obj.cacheable) { >> return (pass); >> } >> if (obj.http.Set-Cookie) { >> return (pass); >> } >> set obj.prefetch = -3s; >> if (req.http.Authorization && !obj.http.Cache-Control ~ "public") { >> pass; >> } >> return (deliver); >> } >> >> I'm doing something wrong?... >> >> Best Regards, >> _______________________________________________ >> varnish-misc mailing list >> [email protected] >> http://projects.linpro.no/mailman/listinfo/varnish-misc > > _______________________________________________ varnish-misc mailing list [email protected] http://projects.linpro.no/mailman/listinfo/varnish-misc
