feature request cache refresh

[Rob S]

Martin Boer wrote:
> I would like to see the following feature in varnish;
> during the grace period varnish will serve requests from the cache but 
> simultaniously does a backend request and stores the new object.
>   
This would also be of interest to us.  I'm not sure if it's best to have 
a parameter to vary the behaviour of 'grace', or to have an additional 
parameter for "max age of stale content to serve".
 
> If anyone has a workable workaround to achieve the same results I'm very 
> interested.
>   
Anyone?



Rob