Finnur Ãrn GuÃmundsson - Skyggnir <fog <at> t.is> writes: > Im running squid on HP Proliant DL360 (3.06Ghz Xeon / 1Gb ram / 2x 15K disks in raid1) We have two similar Caches. DL360G4 Models, however they have 2GB Ram and we don't use raid but have disks configured as a stripe set, since there is no data we need to protect. > We have around 2000-2500 concurrent clients at daytimes Well, we have less users but are running TM Viruswall on these Boxes. > After i upgraded the box to the 3Ghz Xeon its still performing pretty much the same (Loads from 0.80 to 2.00). Squid does benefit from Memory and Disk Performace a lot, CPU is not that important. Your Machine is probably Swapping a lot? -> check that. > cache_dir aufs /var/spool/squid 4000 16 256 (i know i do not have alot of cacheing space, but this is a temp > proxy solution) We use diskd and have configured the cache dir Partition as ReiserFS instead of Ext3, also it is mounted with noatun,noatail. > Is there anything i can do to quickly lower the load? How many users can one put on a box like this? I have been > google-ing alot and have seen talk about 2500-5000 on one box, not unlike this one. Is this wrong? Put more Ram into the box and I suggest to use ReiserFS and diskd. Our machines can do 50-60 req/s and CPU Load is mostly about 0.5 - and that's with the Viruswall between the Squid and the Internet which obviously costs performance. HTH Maik