hit-for-pass vs. hit-for-miss
Nils Goroll
slink at schokola.de
Wed Sep 7 19:01:53 CEST 2016
Hi,
TL;DR please shout if you think you need the choice between hit-for-pass and
hit-for-miss.
On 02/09/16 20:10, Nils Goroll wrote:
> - previously: hit-for-pass
> - now: hit-for-miss
on IRC, phk has suggested that we could bring back hit-for-pass in a vmod *)
I would like to understand if bringing back hit-for-pass is a specific
requirement we have (in which case a vmod producing quite some overhead would be
the right thing to do) or if others have more cases which would justify a
generic solution in varnish core like this one:
> sub vcl_hit {
> if (obj.uncacheable) {
> if (obj.http.Criterium) {
> return (miss);
> } else {
> return (pass);
> }
> }
> }
Thank you, Nils
*) using a secondary cache index (maybe as in the xkey vmod), mark objects we
want to pass for in backend_response, check in recv if the object is marked and
return(pass) if so.
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