On Tue, Jan 19, 2010 at 12:09 PM, Nils Goroll <sl...@schokola.de> wrote:
> The varnishstat cache hit rate basically gives a ratio for how many > requests > being directed to the cache component of varnish have been answered from > it. It > does not say anything about the number of requests being passed onto the > backend > for whatever reason. So it is possible to see cache hit rates of 0.9999 > (99.99%) > but still 99% of the client requests hit your backend, if only 1% of the > requests qualify for being served from the cache. > I am suggesting to amend (or replace ?) this figure by a ratio of client > requests being handled by the cache by total number of requests. In other > words, > a measure for how many of the client requests do not result in a backend > request. I vote for the replacement option. In my view, the ratio should be (total requests)/(requests satisfied from cache). --Michael
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