proxy_cache_valid for zero seconds
nginx-forum at nginx.us
Tue Nov 20 20:11:51 UTC 2012
Put another way -- can I store/cache all content from the proxied upstream
(up to the limits defined in proxy_cache_path), but serve from the cache
only when the proxied upstream fails (e.g. timeout, error)?
We have content that should be dynamic, and hence every request should be
transparently proxied. However, I want to protect against the situation
when the upstream is down or having trouble. Serving a stale response
(though normally undesirable), is better than returning an error.
Posted at Nginx Forum: http://forum.nginx.org/read.php?2,232815,233027#msg-233027
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