Re: measuring cache hit ratio in mod_cache

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On Fri, Apr 25, 2008 at 6:18 PM, Richard Hubbell
<richard_hubbe11@xxxxxxxxx> wrote:
> Searched high-and-low and found nothing which usually
>  causes some concern for a couple different reasons. I
>  think that maybe my search was all wrong.  So I try a
>  few different things.  Still no luck; then I think
>  maybe no one uses apache for caching content or no one
>  cares about the cache-hit ratio, maybe the metric they
>  use is savings in bandwidth.
>
>  If you got this far, do you know how to measure the
>  cache-hit ratio?

One easy way is to log the Age HTTP-response header in your access
log. Any request with Age>0 is a cache hit.

Joshua.

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