cache/503

vitaly burshteyn vburshteyn at gmail.com
Wed Jun 2 21:13:13 CEST 2010


So on this one the site comes up

 13 SessionOpen  c 4.58.0.2 23450 *:80
   13 ReqStart     c 4.58.0.2 23450 831017267
   13 RxRequest    c GET
   13 RxURL        c /
   13 RxProtocol   c HTTP/1.1
   13 RxHeader     c Host: varnish2.broadway.com
   13 RxHeader     c User-Agent: Mozilla/5.0 (Windows; U; Windows NT 6.1;
en-US) AppleWebKit/532.5 (KHTML, like Gecko) Chrome/4.1.249.1064
Safari/532.5
   13 RxHeader     c Referer: http://varnish2.broadway.com/
   13 RxHeader     c Accept:
application/xml,application/xhtml+xml,text/html;q=0.9,text/plain;q=0.8,image/png,*/*;q=0.5
   13 RxHeader     c Accept-Encoding: gzip,deflate,sdch
   13 RxHeader     c Accept-Language: en-US,en;q=0.8
   13 RxHeader     c Accept-Charset: ISO-8859-1,utf-8;q=0.7,*;q=0.3
   13 RxHeader     c Cookie: OAX=BDoAAktdupEAAym8;
__qca=P0-1578676227-1264519209511;
__utmz=105990736.1264519210.1.1.utmcsr=(direct)|utmccn=(direct)|utmcmd=(none);
__utma=105990736.1647079563.1264519210.1269538667.1270578927.6;
__ngt_cli=9AD2EBDB8489C157C3867ADB; __utmz=7868
   13 RxHeader     c Cache-Control: max-stale=0
   13 RxHeader     c Connection: Keep-Alive
   13 RxHeader     c X-BlueCoat-Via: C92BD551DF341D76
   13 VCL_call     c recv lookup
   13 VCL_call     c hash hash
   13 Hit          c 831017141
   13 VCL_call     c hit deliver
   13 Length       c 9057
   13 VCL_call     c deliver deliver
   13 TxProtocol   c HTTP/1.1
   13 TxStatus     c 200
   13 TxResponse   c OK
   13 TxHeader     c Server: Apache/2.2.9 (Fedora)
   13 TxHeader     c Vary: User-Agent,Cookie,Accept-Encoding
   13 TxHeader     c Content-Encoding: gzip
   13 TxHeader     c Content-Type: text/html; charset=utf-8
   13 TxHeader     c Content-Length: 9057
   13 TxHeader     c Date: Wed, 02 Jun 2010 19:11:45 GMT
   13 TxHeader     c X-Varnish: 831017267 831017141
   13 TxHeader     c Age: 72
   13 TxHeader     c Via: 1.1 varnish
   13 TxHeader     c Connection: keep-alive
   13 ReqEnd       c 831017267 1275505905.109919071 1275505905.110054970
0.000252008 0.000067949 0.000067949

and this one is a 503

13 SessionOpen  c 4.58.0.2 23716 *:80
   13 ReqStart     c 4.58.0.2 23716 831017268
   13 RxRequest    c GET
   13 RxURL        c /
   13 RxProtocol   c HTTP/1.1
   13 RxHeader     c Accept: */*
   13 RxHeader     c Accept-Language: en-us
   13 RxHeader     c UA-CPU: x86
   13 RxHeader     c Accept-Encoding: gzip, deflate
   13 RxHeader     c User-Agent: Mozilla/4.0 (compatible; MSIE 6.0; Windows
NT 5.2; WOW64; SV1; .NET CLR 2.0.50727)
   13 RxHeader     c Host: varnish2.broadway.com
   13 RxHeader     c Cookie: s_cc=true; s_sq=%5B%5BB%5D%5D
   13 RxHeader     c Cache-Control: max-stale=0
   13 RxHeader     c Connection: Keep-Alive
   13 RxHeader     c X-BlueCoat-Via: C92BD551DF341D76
   13 VCL_call     c recv lookup
   13 VCL_call     c hash hash
   13 VCL_call     c miss fetch
   13 FetchError   c no backend connection
   13 VCL_call     c error deliver
   13 Length       c 487
   13 VCL_call     c deliver deliver
   13 TxProtocol   c HTTP/1.1
   13 TxStatus     c 503
   13 TxResponse   c Service Unavailable
   13 TxHeader     c Server: Varnish
   13 TxHeader     c Retry-After: 0
   13 TxHeader     c Content-Type: text/html; charset=utf-8
   13 TxHeader     c Content-Length: 487
   13 TxHeader     c Date: Wed, 02 Jun 2010 19:12:16 GMT
   13 TxHeader     c X-Varnish: 831017268
   13 TxHeader     c Age: 0
   13 TxHeader     c Via: 1.1 varnish
   13 TxHeader     c Connection: close
   13 ReqEnd       c 831017268 1275505936.200603962 1275505936.203883886
0.000077009 0.003217936 0.000061989

On Wed, Jun 2, 2010 at 2:40 PM, Rob S <rtshilston at gmail.com> wrote:

> If you send the output of varnishlog from one working and one non-working
> browser, with the back end shutdown, then we might be able to spot the
> difference.
>
> Rob
>
> vitaly burshteyn wrote:
>
>> Hi folks,
>>
>> Just curious if you can point me in the right direction.
>>
>> I have 2.0.6 varnish running.  So it seems as if the cache is working and
>> i am getting cache hits.
>>
>> When i shut down the back end i can still get to the cached pages.
>>
>> On the other hand when i try a new browser i keep getting 503 pages.
>>
>> Any ideas?
>>
>>
>>
>> backend default {
>>  .host = "10.249.129.171";
>>        .port = "80"; }
>>
>>  sub vcl_recv {
>> unset req.http.cookie;
>>
>>    if (req.url ~ "^/admin/"){
>>    set req.url = regsub(req.url, "^/admin/", "/oops/");   }
>>
>>  if (req.url ~ "/affiliates/visa-signature/") {
>>        return(pass);    }
>>
>> if (req.http.cookie) {
>>    set req.http.Cookie = regsuball(req.http.Cookie, "__utm.=[^;]+(; )?",
>> "");
>>    if (req.http.cookie ~ "^ *$") {
>>        remove req.http.cookie;  }  }
>>
>>    if (req.url ~ "^/r/\d+/") {
>>        return(pass);    }
>>
>>    # Don't cache if specific HTTP headers exist
>>    if (req.http.Expect) {
>>        return(pass);    }
>>
>>    if (req.http.Authorization) {
>>        return(pass);   }
>> return(lookup);}
>>
>> sub vcl_deliver {
>>    return (deliver);}
>>
>> sub vcl_fetch {
>>    set obj.ttl = 120m;
>>
>> unset obj.http.set-cookie;
>>  if (req.url ~  "^/$") {
>>  set obj.ttl = 1800s;}
>>
>>    # Don't cache error pages
>>    if (obj.status == 503) {
>>        return(pass);    }
>>
>>    if (obj.http.Vary == "Cookie") {
>>        remove obj.http.Vary;
>>    }
>>  if (obj.http.Vary == "Cookie,Accept-Encoding") {
>>        set obj.http.Vary = "Accept-Encoding";    }
>>
>>    # Anti-dogpiling feature - serve a stale request until a new one
>>    # can be fetched, for up to 30s
>>
>>    if (!obj.cacheable) {
>>       return(pass);       }
>>
>>    return(deliver);}
>>
>> sub vcl_hit {
>>  remove obj.http.Set-Cookie;}
>>
>> ------------------------------------------------------------------------
>>
>> _______________________________________________
>> varnish-misc mailing list
>> varnish-misc at varnish-cache.org
>> http://lists.varnish-cache.org/mailman/listinfo/varnish-misc
>>
>
>
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