Hello Per,
Thanks for your reply, i have tried the configuration given on the link.
However i receive the following error when i start varnish
Expected 'acl', 'sub' or 'backend', found 'backend_round_robin' at
(/etc/varnish/test.vcl Line 1 Pos 1)
backend_round_robin rr {
Can you please clarify why the error comes. I tried different ways to set
it. But no luck. Also attaching the vcl FYR.
Regards,
Kevin Fernandes
On Jan 3, 2008 8:06 PM, Per Andreas Buer <[EMAIL PROTECTED]> wrote:
> Hi Kevin.
>
> kevin fernandes:
>
> > I require the varnish configuration for adding multiple backend
> > webservers. Please provide me few examples on how to do it. In short i
> > require the configuration of distributing the http-requests to
> > different backend webservers.
>
> Is this what you are looking for?
> http://varnish.projects.linpro.no/wiki/Backends
>
>
>
> --
> Per Andreas Buer / Linpro AS t: 21 54 41 21 / m: 958 39 117
> http://linpro.no/ - Ledende på Linux og åpen kildekode.
>
>
backend_round_robin rr {
set backend.set = {
{ "xx.xx.xx.xx", "http" }
{ "xx.xx.xx.xx", "http" }
};
}
acl purge {
"localhost";
"127.0.0.1";
}
# Caching mime types
sub vcl_recv {
if (req.http.host ~ "example.com") {
req.backend = rr;
}
if (req.request == "GET" && req.url ~
"\.(css|gif|jpg|png|js|bmp|flv|jpeg|ico|mp3|mp4)$") {
lookup;
}
/* Do not cache if request is not GET or HEAD */
if (req.request != "GET" && req.request != "HEAD") {
/* Forward to 'lookup' if request is an authorized PURGE
request */
if (req.request == "PURGE") {
if (!client.ip ~ purge) {
error 405 "Not allowed.";
}
lookup;
}
pipe ;
}
/* Do not cache if request contains an Expect header */
if (req.http.Expect) {
pipe ;
}
/* Varnish doesn't do INM requests so pass it through */
if (req.http.If-None-Match) {
pass;
}
/* Do not cache when authenticated via HTTP Basic or Digest
Authentication */
if (req.http.Authenticate || req.http.Authorization) {
pipe ;
}
/* Do not cache when authenticated via "__ac" cookies */
if (req.http.Cookie && req.http.Cookie ~
"__ac_(name|password|persistent)=") {
pipe;
}
if (req.http.Cache-Control ~ "no-cache") {
pass;
}
if (req.url ~ "account.login") {
pipe ;
}
lookup;
}
sub vcl_fetch {
# force minimum ttl of 300 seconds
if (obj.ttl < 300s) {
set obj.ttl = 300s;
}
}
# Do the PURGE thing
sub vcl_hit {
if (req.request == "PURGE") {
set obj.ttl = 0s;
error 200 "Purged";
}
}
sub vcl_miss {
/* Varnish doesn't do IMS to backend, so if not in cache just pass it
through */
if (req.http.If-Modified-Since) {
pass;
}
if (req.request == "PURGE") {
error 404 "Not in cache";
}
}
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