On Fri, 5 Dec 2003, Victor Ivanov wrote: > > the Squid FAQ 8.11 How much memory do I need in my Squid server? > > <url:http://www.squid-cache.org/Doc/FAQ/FAQ-8.html#ss8.11> > > That was the issue indeed. FreeBSD 5.1 comes with 512M hard data segment > limit. There is an example for extending the limit for FreeBSD 3 and 2 > in the Squid FAQ, and it works with 5.1 too. There are even prepared > values in /sys/conf/NOTES: > > options MAXDSIZ=(1024UL*1024*1024) > options MAXSSIZ=(128UL*1024*1024) > options DFLDSIZ=(1024UL*1024*1024) > > The pc has only 512M RAM. I'll measure the amount of swapin/outs and > the impact on the performance.
Note: The FAQ entry talks about physical RAM requirements for the server as such. > Well, it's one of those cheap built-in Promise chips. Its write is > really slow :( Then there is most likely serious problems with your IDE bus. RAID0 does not have a write penalty. Unless this IDE chip does not support DMA in which case all I/O operations have a serious performance penalty from competing about the CPU with applications.. > > Why this extremely large cache_mem? > > Well I don't know :) I'll put it to 128M or something. It'll probably > decrease swap usage. The default is generally fine, and you should be very careful to not exceed what is said in the FAQ entry referenced above.. Regards Henrik
