2013/2/15 Olivier <[email protected]> > Hello, > > On a production system, I'm seeing this: > [Feb 13 16:47:00] WARNING[14742] res_agi.c: Unable to create toast pipe: > Too many open files > [Feb 13 16:47:00] WARNING[9283] acl.c: Cannot create socket > [Feb 13 16:47:00] WARNING[9283] rtp.c: Unable to allocate RTCP socket: Too > many open files > [Feb 13 16:47:00] WARNING[14732] acl.c: Cannot create socket > [Feb 13 16:47:00] WARNING[14732] channel.c: Channel allocation failed: > Can't create alert pipe! Try increasing max file descriptors with ulimit -n > [Feb 13 16:47:00] WARNING[14732] chan_sip.c: Unable to allocate AST > channel structure for SIP channel > [Feb 13 16:47:00] WARNING[14732] app_dial.c: Unable to create channel of > type 'SIP' (cause 0 - Unknown) > [Feb 13 16:47:00] ERROR[14732] rtp.c: Unable to allocate socket: Too many > open files > > > Typing ulimit -a, shows : > # ulimit -a > core file size (blocks, -c) 0 > data seg size (kbytes, -d) unlimited > scheduling priority (-e) 0 > file size (blocks, -f) unlimited > pending signals (-i) 16382 > max locked memory (kbytes, -l) 64 > max memory size (kbytes, -m) unlimited > open files (-n) 1024 > pipe size (512 bytes, -p) 8 > POSIX message queues (bytes, -q) 819200 > real-time priority (-r) 0 > stack size (kbytes, -s) 8192 > cpu time (seconds, -t) unlimited > max user processes (-u) unlimited > virtual memory (kbytes, -v) unlimited > file locks (-x) unlimited > > > So it seems that increasing this open files limit from 1024 to 2048 could > work around the above issue. > > Strangely, I can't find much online doc on ulimit and its usage. > My main source is http://ss64.com/bash/ulimit.html > and I also found this > http://lists.digium.com/pipermail/asterisk-dev/2006-October/024091.htmlwhere > I could read > > >* And what does 'ulimit -n' say for your Asterisk process?* > > > > 1. How can I specificially read "ulimit -n" for asterisk, for instance > when asterisk is run by an asterisk user which has no login or shell ? > Finally, it seems this command is enough : su asterisk --shell /bin/sh --command "ulimit -n"
> 2. Is there an easy and safe way to increase the number of files opened by > asterisk ? > Replace the question above by this one "Is there an easy and safe way to artificially increase the number of files opened by asterisk ?" > > > Regards > > > > > >
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