Today I gave 3.2.0.17 a spin (previously I've been running squid-3.1.19), and while it used to work in general, I found it to run out of filedscriptors. Same users, same config, still: 2012/05/04 09:59:16| comm_open: socket failure: (24) Too many open files 2012/05/04 09:59:16| comm_open: socket failure: (24) Too many open files 2012/05/04 09:59:20| WARNING! Your cache is running out of filedescriptors 2012/05/04 09:59:33| DiskThreadsDiskFile::openDone: (24) Too many open files 2012/05/04 09:59:33| /squid-cache/14/1C/00005389 I'm running squid like this: cd /tmp echo 128 > /proc/sys/kernel/msgmni ulimit -n 8192 -c unlimited exec 2>&1 exec /usr/sbin/squid -NsYC -- Ralf Hildebrandt Charite Universitätsmedizin Berlin ralf.hildebrandt@xxxxxxxxxx Campus Benjamin Franklin http://www.charite.de Hindenburgdamm 30, 12203 Berlin Geschäftsbereich IT, Abt. Netzwerk fon: +49-30-450.570.155