After upgrade to 3.3.8 from 3.1.20 the cpu usage of squid grows triple times without change to config . Please look at attached image of cacti graph <http://squid-web-proxy-cache.1019090.n4.nabble.com/file/n4662906/cpu_usage.png> my configs are available in following posts http://squid-web-proxy-cache.1019090.n4.nabble.com/Squid-naps-each-3600-seconds-tp4662811.html http://squid-web-proxy-cache.1019090.n4.nabble.com/rock-questions-tp4662816.html http://squid-web-proxy-cache.1019090.n4.nabble.com/rock-problem-on-each-squid-restart-tp4662864.html -- View this message in context: http://squid-web-proxy-cache.1019090.n4.nabble.com/3x-cpu-usage-after-upgrade-3-1-20-to-3-3-8-tp4662906.html Sent from the Squid - Users mailing list archive at Nabble.com.