These are my Squid stats. I have about 23% of cache hits. We have 300 users. This is a school environment where most students access the same site at the same time for their classroom activity. Is there anything I should add or change to make the caching better, or is 23% to be expected?
Proxy statistics Total amount: requests 263,840 Total Bandwidth: Byte 2634M Proxy efficiency (HIT [kB/sec] / DIRECT [kB/sec]): factor 5.72 Average speed increase: % 16.58 TCP response time of 100%% requests: msec 5048 Cache statistics Total amount cached: requests 61936 Request hit rate: % 23.47 Bandwidth savings: Byte 454M Bandwidth savings in Percent (Byte hit rate): % 17.24 Average cached object size: Byte 7686 Average direct object size: Byte 11319 Average object size: Byte 10466 Squid box is 2.4 GHz P4, 1GB memory, 40 GB IDE disk. Squid version 3.1.3 on Debian. Config file: 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 176.16.0.0/21 #176.16.0.-176.16.3.254 range acl localnet2 src 192.168.11.0/24 #192.168.11.0-254 range acl localnet3 src 192.168.200.0/24 #192.168.200.0-254 range 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 http_access allow manager localhost http_access deny manager http_access deny !Safe_ports http_access deny CONNECT !SSL_ports http_access allow localhost http_access allow localnet http_access allow localnet2 http_access allow localnet3 http_access allow all #not restricted because its behind the firewall and serving local LAN only. I'm just trying to get this working for now... icp_access allow all htcp_access allow all http_port 3128 transparent # ok, transparent proxy, no NATing. Not sure what WPAD/PAC is... hierarchy_stoplist cgi-bin ? access_log /var/log/squid3/access.log squid refresh_pattern ^ftp: 1440 20% 10080 refresh_pattern ^gopher: 1440 0% 1440 refresh_pattern (cgi-bin|\?) 0 0% 0 refresh_pattern . 0 40% 40320 icp_port 3130 coredump_dir /var/spool/squid3 refresh_pattern -i \.index.(html|htm)$ 0 40% 10080 refresh_pattern -i \.(html|htm|css|js)$ 1440 40% 40320 cache_mgr h...@mydomain.org cache_dir ufs /var/spool/squid3 7000 16 256 visible_hostname gw.mydomain.org
