On 17.04.06 11:32, K Pang wrote: > we're running squid-2.5.S13 on Linux 2.4.32, and we setted file descriptor > to be 8k. we found that when file descriptor usage exceeds 2k, the response > time will go obviously higher. e.g. response time for hit is 3+ seconds. my > questions are: > 1) is there any limitation on linux? should file descriptor usage above 2k > cause such long response time? > 2) how to optimize the response time when file descriptor usage is high? First I'd try to turn off half_closed_clients. If that doesn't help, you may try using epoll patch as advised. -- 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. He who laughs last thinks slowest.