Re: Hit Ratio

On Fri, 9 Jun 2000, Craig Whitmore wrote:

> But how do I find out how many days the cache holds?
> It took just over a week to fill up the cache partitions

You're coming at it from the wrong direction - how much traffic do you
carry each day? Just multiply this value to find how big you should make
your cache. I'm assuming that you're keeping stats on traffic seperately
to your Squid info - if you're not, you probably should be if you want to
analyse your network activity and performance.

> > Seriously, reading through the archives of this list should reveal that
> > the issue of choosing an optimal cache size is discussed regularly.
> > Usually, the concensus is that you should have enough room to store
> > between 5 and 15 days of traffic, regardless of how many users you have.
> >
> > > Request Hit Ratios: 5min: 45.9%, 60min: 40.9%
> > > Byte Hit Ratios: 5min: 24.1%, 60min: 21.7%
> >
> > These actually look pretty good to me. Has anyone else been feeling that
> > the web is becoming less cacheable this year?
>
> Yes :-)

--
 Kendall Lister, Systems Operator for Charon I.S. - kendall@charon.net.au
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