Hi, Could you provide an extract of the strace output for one process that fails ?
Use -D setting in cyrus.conf and add following line in imapd.conf : debug_command: /usr/bin/strace -tt -s 200 -o /tmp/strace.cyrus.%s.%d -p %2$d <&- 2>&1 & Sébastien 2013/9/12 Rudolf Gabler <r...@usm.lmu.de> > Hi, > > I examined my mysql problem a little more and got the following: > > the following log (2) shows, I preforked 7 imapd -s childs (by > /etc/cyrus.conf) and while one of the processes still reads from the local > mysql server (see process 32711), newly forked imapd childs are loosing > this ability (see process 9881). From this time on nearly all newly created > childs can't connect to the mysql server (even then when the "good ones" = > 32711 are terminated). > > In a very rapid process ( because childs with connection errors are > terminated see log 1) new childs are forked and forked (in my case 1 > fork/second the next 2 minutes - as well imaps as https processes) until > without restarting the master process some childs are forked, which are > again able to connect to the mysql server. But the forking process goes on > and tries to reach the number of preforked childs. This fills the logs > because only any then and now a "good" process is created. > > But only if I restart the master any child is working. The default max > connection limit is set to the default (150) for the mysql server. This is > still a testing environment with only one user connected by one open mailer. > > > Many regards, > > Rudi Gabler > > > > >
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