Have a a look at iostat Should help to see, if there is also a burst in disk I/O activity when CPU peaks. Might indicate flushing of buffers.
Which filesystem do you use for the squid-disks ? ext4 for example has quite a few options to reduce I/Os. -- View this message in context: http://squid-web-proxy-cache.1019090.n4.nabble.com/squid-cpu-problem-tp4664567p4664649.html Sent from the Squid - Users mailing list archive at Nabble.com.
