Thanks . I did it . When all refresh_pattern lines commented except following default ones 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 squid uses 40~60% cpu usage . Adding just following 2 lines increases more than 20% to squid cpu usage ! refresh_pattern -i (.+\.)?(microsoft|windowsupdate)\.com/.*?\.(cab|exe|dll|ms[i|u|f]|asf|wm[v|a]|dat|zip|iso|psf)$ 10080 100% 172800 ignore-no-store ignore-reload ignore-private ignore-must-revalidate override-expire override-lastmod refresh_pattern -i (.+\.)?apple\.com/.*?\.(pkg|dmg|tar|pkm|ipsw|exe)$ 10080 100% 172800 ignore-no-store ignore-reload ignore-private And here is my complete refresh_pattern http://pastebin.com/UtG7Gdv1 . I hope you provide some tips to solve it . Here is my cachemgr info http://pastebin.com/Ewcmwyvw Thanks in advance -- View this message in context: http://squid-web-proxy-cache.1019090.n4.nabble.com/High-cpu-usage-by-re-search-internal-tp4667550p4667657.html Sent from the Squid - Users mailing list archive at Nabble.com. _______________________________________________ squid-users mailing list squid-users@xxxxxxxxxxxxxxxxxxxxx http://lists.squid-cache.org/listinfo/squid-users
