On Wed, Aug 22, 2012 at 02:43:09PM -0400, Ron Vachiyer wrote: > Quick question about filedescriptors. On Centos6, cyrus 2.3.16 seems to be able to open 4096 FDs ; > > master[27121]: retrying with 4096 (current max) > > ulimit -a says 1024; > > open files (-n) 1024 > > I am looking to increase this, and have found some documentation saying to increse file-max in /proc. However, file-max already has a much larger number; > > cat /proc/sys/fs/file-max > 1201105 > > The only way I have found so far is to add a ulimit -n 8192 in /etc/rc.d/init.d/cyrus-imapd > > > Is there a more generic/cleaner way to do this? > > Thanks, > > Ron > > Hi Ron, I do not know if this is applicable to Centos6, but Redhat 6 shipped with this file: /etc/security/limits.d/90-nproc.conf # Default limit for number of user's processes to prevent # accidental fork bombs. # See rhbz #432903 for reasoning. * soft nproc 65535 except the limit was 1024. Argh! We bumped it here and we were good. Note, do NOT remove the file or a patch/update will re-create it with the expected negative consequences for a busy system. Regards, Ken ---- Cyrus Home Page: http://www.cyrusimap.org/ List Archives/Info: http://lists.andrew.cmu.edu/pipermail/info-cyrus/ To Unsubscribe: https://lists.andrew.cmu.edu/mailman/listinfo/info-cyrus