Hi, On Mon, 06 Apr 2009, Amos Jeffries wrote: > Thank you. Added. > What sort of CPU load does it run under? Very high, but the web still feels reasonably responsive in general. The load average peaked yesterday at 9 but this is since I reduced the cache size. It hit 30 last week which is when I decided the cache (or perhaps the hit rate) was too high for the disk. http://deathcab.gcd.ie/munin/gcd.ie/watcher.gcd.ie.html http://deathcab.gcd.ie/munin/gcd.ie/watcher.gcd.ie-squid_response_time.html http://deathcab.gcd.ie/munin/gcd.ie/watcher.gcd.ie-load.html > And being linux is it running AUFS cache_dir? It is indeed. On reiserfs with noatime,nodiratime,notail and heap LFUDA. 1.7GB RAM cache. Gavin