cache/503

[vitaly burshteyn]

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;}
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