Hello!
On Mon, Apr 16, 2018 at 03:16:13AM -0500, Andrei wrote:
> I have an odd upstream application (out of my control) which sometimes
> responds with incomplete pages, and a 200 error.. This causes blank pages
> to appear in cache. Is there a way to exclude from/bypass cache if the
> content-length header from the upstream is lower than 5kb for example?
> Thanks everyone!
Try proxy_no_cache combined with map on
$upstream_http_content_length. Something like this should work:
map $upstream_http_content_length $nocache {
"~^[0-5][0-9]{,3}" 1;
}
proxy_no_cache $nocache;
See here for details:
http://nginx.org/r/proxy_no_cache
http://nginx.org/r/map
http://nginx.org/r/$upstream_http_
--
Maxim Dounin
http://mdounin.ru/
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