Conditional backend requests with beresp.ttl=0.
nospam at nickswoodart.com
Fri Jan 15 16:46:47 CET 2016
I'm wondering if there is a way to configure varnish to send conditional
requests to the backend when "Cache-Control: no-cache" has been returned
in a response with an "Etag".
I've tried setting beresp.ttl = 0s and beresp.keep = 1d, but the keep
time seems to be ignored and the backend isn't getting an
I'm using Varnish 4.0.3, but I've noticed that setting ttl=0s seems to
cause the keep time to be ignored. I think the grace time might also be
ignored, though I haven't verified that yet.
The only way I've been able to force behaviour similar to what I'm
looking for is to set ttl=1s, but there is a use case where it isn't
desirable to wait that extra second.
I've also tried setting max-age=0.
Any help would be appreciated!
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