Your missing set beresp.ttl Cheers
Nick Tailor Sent from my iPhone On Aug 1, 2012, at 9:25 AM, nicola sabbi <[email protected]> wrote: > Hi, > I'm trying to configure varnish 3.0.1 as a failover cache in front of a web > server running EZ publish. > What I'd like to do is to let varnish cache pages for up to 4 hours. If the > backend server is seen sick it should serve the last cached page for the > current request (if available), otherwise serve an error page. > > The backend polling code is working fine, but every time I tamper with the > test page returning a 404 error code (in order to force the sick mode) > varnish returns a 503 error to the client instead of the cached content, even > though the cache is populated (or so I assume). > > The configuration code I'm using is the following: > > > backend default { > .host = "192.168.0.66"; > .port = "80"; > .probe = { > .url = "http://backend/test.php";; > .timeout = 10s; > .interval = 5s; > .window = 3; > .threshold = 3; > .expected_response=200; > } > } > > sub vcl_recv { > if (req.backend.healthy) { > set req.grace = 30m; > } else { > set req.grace = 4h; > } > #return(lookup); > } > > sub vcl_fetch { > set beresp.grace = 8h; > # return(restart); > } > > > > sub vcl_error { > set obj.http.Content-Type = "text/html; charset=utf-8"; > set obj.http.Retry-After = "5"; > synthetic {" > Unavailable page! > "}; > return (deliver); > } > > Please, can you explain me what's missing or wrong with this configuration? > Thanks, > Nico > _______________________________________________ > varnish-misc mailing list > [email protected] > https://www.varnish-cache.org/lists/mailman/listinfo/varnish-misc
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