Le mercredi 29 septembre 2010 15:39:29, Andrei a écrit : > 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 help@xxxxxxxxxxxx > cache_dir ufs /var/spool/squid3 7000 16 256 > visible_hostname gw.mydomain.org You cache is good, i see you are using the default squid configuration so dont worry, 23% is good. According to my master research, a normal cache should cache about 30%. You may play with next options: refresh_patter caceh_policies cache_dir Contact me offline ify ou are more interested :) LD
