Hello!

On Thu, Apr 19, 2012 at 07:10:45PM +0000, Micheal Wolfskill wrote:

> Does nginx have a cache hit ratio statistic... Ive been
> searching .. or perhaps a way to differentiate in the logs wchi
> was served from cache and which was not. Thanks

The $upstream_cache_status variable is what you are looking for.
It's not yet described in docs, but here is a wiki entry:

http://wiki.nginx.org/HttpUpstreamModule#.24upstream_cache_status

Maxim Dounin

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