> > I've been reading up in preparation for a deployment of Squid into a > large enterprise cluster to extend our CDN, and I have been unable to > determine solid answers for the following questions. Thanks in advance > for any insight you guys can provide. > > I have read that RAID is a bad idea for squid caches, however I am > unable to find any reasoning for this aside from performance concerns. > I'm using aufs and don't really see a hit between cache_dir's on a fixed > disk and those on an array...but then again, it's possible I'm not > examining the right metrics. Has anyone had any problems with putting > their cache_dir on a RAID? http://www.squid-cache.org/Doc/FAQ/FAQ-3.html#ss3.11 > > Has anyone had any issues running Squid in a 64-bit environment? I > plan to use Fedora Core 4 x86_64 and was wonding if anyone had any > experiences (good or bad) with this. > > Finally, I'm interested in what was just asked about large > cache_dir's: Is it better to have one large cache_dir (1 TB for example) > or multiple smaller cache_dir's (5 x 200 GB) - I'm mostly concerned with > performance and number of file descriptors. Each server will have 4 GB > of RAM, which according to my math, should be plenty for this large of a > cache...also worth noting that cached objects will be a minimum of > around 500KB each. > It´s better to spread cache dirs over multiple disks, to spead phys io. M.