Hello, I have 30 users who browse the internet all day through squid. My version is squid-2.7.STABLE6 . I started squid with 5024 file descriptors, cache is disabled and its a machine solely dedicated to this with P4 CPU with PowerEdge 600SC and 1GB RAM. The problem is that intermittently during the day one or another user for a few minutes opens pagesand they just take forever to download. The strange part is that when it happens to some users it doesnt happen simulteanously to all the others. They are ubuntu users with firefox. Its extremely hard to diagnose this because its very hard to catch and sometimes when the tech arrives all the pages start loading fine. Even google would hang. There is no packet loss to the proxy server, and load on the CPU is low according to top. What tool can I use to pinpoint exactly where the problem is? cache_dir null /dev/null auth_param basic program /usr/local/libexec/ncsa_auth /etc/squid/squid_passwd acl all src all acl manager proto cache_object acl localhost src 127.0.0.1/32 acl to_localhost dst 127.0.0.0/8 acl localnet src 10.0.0.0/8 # RFC1918 possible internal network acl localnet src 172.16.0.0/12 # RFC1918 possible internal network acl localnet src 192.168.0.0/16 # RFC1918 possible internal network acl SSL_ports port 443 acl Safe_ports port 80 # http acl Safe_ports port 21 # ftp acl Safe_ports port 443 # https acl Safe_ports port 70 # gopher acl Safe_ports port 210 # wais acl Safe_ports port 1025-65535 # unregistered ports acl Safe_ports port 280 # http-mgmt acl Safe_ports port 488 # gss-http acl Safe_ports port 591 # filemaker acl Safe_ports port 777 # multiling http acl CONNECT method CONNECT acl ncsa_users proxy_auth REQUIRED http_access allow manager localhost http_access deny manager http_access deny !Safe_ports http_access deny CONNECT !SSL_ports http_access allow localnet http_access allow all icp_access allow localnet icp_access deny all reply_body_max_size 512000 deny all http_port 8080 transparent hierarchy_stoplist cgi-bin ? access_log /var/squid/logs/access.log squid refresh_pattern ^ftp: 1440 20% 10080 refresh_pattern ^gopher: 1440 0% 1440 refresh_pattern -i (/cgi-bin/|\?) 0 0% 0 refresh_pattern . 0 20% 4320 acl shoutcast rep_header X-HTTP09-First-Line ^ICY.[0-9] upgrade_http0.9 deny shoutcast via off acl apache rep_header Server ^Apache broken_vary_encoding allow apache header_replace User-Agent Nutscrape/1.0 (CP/M; 8-bit) max_filedescriptors 5024 forwarded_for off coredump_dir /var/squid/cache Thank you. Regards, Andres
