On 18/04/2015 5:29 a.m., Sebastian Goicochea wrote: > Something new: > > Taking away all refresh patterns the CPU usage goes down to around 15% > Patterns look like this, maybe I have to change something: > > refresh_pattern -i ^http://c2r\.microsoft\.com/ConsumerC2R/(.*) 43200 > 100% 129600 override-expire ignore-reload ignore-private override-lastmod > Dropping that (.*) off the end would be useful. There is an implicit .* on the start and end of all regex patterns unless you explicitly add teh ^ and $ anchors. Removing it allows the regex library to stop trying to match this pattern when the bit you actually care about has been identified. Instead of continuing through the other 0-64KB of possible URL length character...by...character. > refresh_pattern -i > ^http:\/\/.*\.avg\.com\/softw\/.*\/update\/(.*\.bin) 43200 100% > 129600 override-expire ignore-reload ignore-private override-lastmod > What matters more is how many patterns you have, what library is being used, and how long the traffic URLs are. Each pattern gets applied 1-2 times per request. Squids provided GNUregex is really very slow, almost any other available is faster these days. > > Thanks > > El 17/04/15 a las 13:16, Sebastian Goicochea escribió: >> Hello, >> >> I have migrated from Squid 2.7 to Squid 3.5 given the fact that I need >> some of the new functions that newer versions have. >> The problem I'm having is that squid proccess is using 100% of CPU all >> the time. Cache.log informed squid was low on file descriptors, but >> that's already solved. >> >> Now I see a lot of these in cache.log: >> >> 2015/04/17 13:01:07 kid1| Starting new store_id helpers... >> 2015/04/17 13:01:07 kid1| helperOpenServers: Starting 1/30 'jesred' >> processes >> 2015/04/17 13:01:08 kid1| Starting new store_id helpers... >> 2015/04/17 13:01:08 kid1| helperOpenServers: Starting 1/30 'jesred' >> processes >> >> It always says 1/30, is it only using one rewriter? Most of the CPU >> time is idle time, so maybe squid is waiting for something, but I >> don't know what. That means it is starting 1 *more*, out of a maximum of 30. If you find these occuring often, increase the idle= helper parameter to something lke 2,3,5 etc. Amos _______________________________________________ squid-users mailing list squid-users@xxxxxxxxxxxxxxxxxxxxx http://lists.squid-cache.org/listinfo/squid-users
