On Wed, Sep 29, 2010 at 1:54 PM, Jordon Bedwell <jordon@xxxxxxxxxxxxx> wrote: > On 09/29/2010 03:47 PM, George Herbert wrote: >> >> On Wed, Sep 29, 2010 at 1:43 PM, Ralf Hildebrandt >> <Ralf.Hildebrandt@xxxxxxxxxx> wrote: >>> >>> * Andrei<funactivities@xxxxxxxxx>: >>>> >>>> These are my Squid stats. I have about 23% of cache hits. >>> >>> I have four squid machines, an the Request hit rate average is at: >>> 29.3%, 27.2%, 27.4% and 26.7% (last 24h) >>> >>> So your values could be a bit better. >> >> As the userbase size increases the cache hits will increase. >> >> It took literally slightly over 1 million users at the prior site I >> ran Squid for to get slightly over 50% cache hits. 23% for a small >> site (300 users) is reasonable, depending on the workload and how much >> of the sites are all-dynamic content which can't be cached. >> >> > > Dynamic is subjective. What the world considers dynamic most of the is > actually dynamically generated static content that rarely changes and always > wastes CPU time. I hardly consider one post a day dynamic and unnecessary > for sending "cache me" headers (to squid at least) for the next 24 hours. > You can cache all content, dynamic or not, it's just not recommended, you > can do it with squid or you can trick squid into thinking it's not dynamic > anyways, which is what we do on some our sites for pages that we know rarely > change. This is HIGHLY content-specific, and in many cases is horridly unsafe. Your mileage may vary. Know what your users are actually doing... -- -george william herbert george.herbert@xxxxxxxxx
