Best approach for expiring objects

Thiago Figueiro TFigueiro at
Fri Jan 21 04:28:03 CET 2011

From: Caunter, Stefan
> So purge if backend is healthy? Should be possible in vcl.

sub vcl_recv {
        # Allow purging if backend is healthy
        if (req.backend.healthy) {
                if (req.http.Pragma ~ "no-cache" ||
req.http.Cache-Control ~ "no-cache") {
                        purge("req.url == " req.url " &&
== " );

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