On 27.10 11:02, Joost de Heer wrote: > Usually my proxy (Squid 2.5 STABLE10 on RH Linux) performs quite well, but > occasionally I see a drop in the number of successful requests (it's > usually around 200/s, but drops to as low as 100/s). I've written a small > performance test which uses curl to measure time_total, time_connect and > speed_download. The script runs on the same machine. Most of the time, the > connect time is close to 0 ms, but occasionally I see a spike, largest > I've seen is around 6 seconds(!) connect time. time_total - time_connect > is reasonably constant (somewhere between 600 and 800 ms) > > Does anyone have an idea where I could start to find a cause of this > strange behaviour? Kernel settings? TCP settings? Squid settings? What do the squid/kernel logs say? Doesn't squid wipe the cache at that time? isn't there some kind of flood onto your server? (what does netstat say at such time?) -- Matus UHLAR - fantomas, uhlar@xxxxxxxxxxx ; http://www.fantomas.sk/ Warning: I wish NOT to receive e-mail advertising to this address. Varovanie: na tuto adresu chcem NEDOSTAVAT akukolvek reklamnu postu. I drive way too fast to worry about cholesterol.