Hi, On Tue, 17 Mar 2009, Amos Jeffries wrote: >> The server hardware isn't 64-bit so surely I can't run a 64-bit squid >> build, can I? > > Ah, no I believe thats a problem. I kind of assumed that since your > system could take >2GB of RAM it was 64-bit enabled hardware. Ah well. >> It may help that we're allowing large objects into the cache and using >> "heap lfuda". We plot the average object size with munin and it's about >> 90KB. Presumably the 10MB per 1GB is strongly a function of average object >> size. > http://deathcab.gcd.ie/munin/gcd.ie/watcher.gcd.ie.html#Squid > > (sites restricted, but never mind) Sorry, that's fixed now if you want a look. > Yes the rule-of-thumb was from past measures mediated by object size > (averages between 64KB and 128KB). I'm surprised you are seeing such a > low index size. It is quite strange -- 90KB is bang in the middle of your range. We're getting about 5-10% of cache hits served from RAM too so there's definitely cache_mem in use. >> The drops in RAM usage are all due to squid restarting. As long as I keep >> the cache_mem below about 1.8-2GB > > Maybe the large-file changes in 2.7 will help then. That's interesting. >> Sorry, some of you may be scratching your heads and wondering why one would >> do something so crazy. I've just got 4GB RAM sitting moreorless idle, >> a really busy disk and would like to use one to help the other :-) > > Aha, in that case maybe. It would be an interesting setup anyhow. I'll give it some thought, but it sounds like there's no other easy way to use the spare RAM. Gavin
