<div dir="ltr"><div>Hi All,</div><div><br></div><div>I am using a Debian10 with syslog-ng 3.19.</div><div><br></div><div>I have a simple configuration formed by a log to a file and a log to the console "usertty(*)". Please check the attached file.<br></div><div><br></div><div><b>After some time the logging to the console stops, but the logging to the file keeps working.</b></div><div><br></div><div>I used strace to debug this. (strace -p <syslog-ng-pid> -yy -f -s 256 -e trace=write) <span style="font-family:monospace"><br></span></div><div><b><span style="font-family:monospace">root@localhost:~# w root<br> 12:50:41 up 3:16, 5 users, load average: 0.21, 0.35, 0.37<br>USER TTY FROM LOGIN@ IDLE JCPU PCPU WHAT<br>root ttyS0 - 09:36 45:18 0.02s 0.02s -bash<br>root pts/1 10.0.2.2 09:40 1.00s 0.26s 0.00s w root<br>root pts/4 10.0.2.2 09:56 24:08 3.03s 2.84s strace -p 23429 -yy -f -s 256 -e trace=write<br>root pts/5 10.0.2.2 10:26 22:01 0.01s 0.01s tail -f /var/log/apps.log<br>root pts/0 10.0.2.2 12:31 19:25 21.77s 0.00s sleep 60<br><br>root@localhost:~# strace -p 23429 -yy -f -s 256 -e trace=write<br><br>[pid 24379] write(26</dev/ttyS0<char 4:64>>, "2021 Feb 19 12:31:16 localhost 8389:Usm INFO {Orchestrator.cpp:1329} attr_id=10931 moid=8398\n", 107) = 107<br>[pid 24379] write(26</dev/pts/1<char 136:1>>, "2021 Feb 19 12:31:16 localhost 8389:Usm INFO {Orchestrator.cpp:1329} attr_id=10931 moid=8398\n", 107) = 107<br>[pid 24379] write(26</dev/pts/4<char 136:4>>, "2021 Feb 19 12:31:16 localhost 8389:Usm INFO {Orchestrator.cpp:1329} attr_id=10931 moid=8398\n", 1072021 Feb 19 12:31:16 localhost 8389:Usm INFO {Orchestrator.cpp:1329} attr_id=10931 moid=8398<br>[pid 24379] write(26</dev/pts/4<char 136:4>>, "2021 Feb 19 12:31:16 localhost 8389:Usm INFO {Orchestrator.cpp:1329} attr_id=10931 moid=8398\n", 1072021 Feb 19 12:31:16 localhost 8389:Usm INFO {Orchestrator.cpp:1329} attr_id=10931 moid=8398<br>[pid 24379] write(26</dev/pts/5<char 136:5>>, "2021 Feb 19 12:31:16 localhost 8389:Usm INFO {Orchestrator.cpp:1329} attr_id=10931 moid=8398\n", 107) = 107<br>[pid 24379] write(26</dev/pts/0<char 136:0>>, "2021 Feb 19 12:31:16 localhost 8389:Usm INFO {Orchestrator.cpp:1329} attr_id=10931 moid=8398\n", 107) = 107<br>[pid 24379] write(23<pipe:[1957563]>, "<190>1 2021-02-19T12:31:16.855+00:00 localhost usm 6802 - - 8389:Usm INFO {Orchestrator.cpp:1329} attr_id=10931 moid=8398\n", 136) = 136<br>[pid 24379] write(23<pipe:[1957563]>, "<190>1 2021-02-19T12:31:16.885+00:00 localhost usm 6802 - - 8395:Usm INFO {Orchestrator.cpp:1329} attr_id=10931 moid=8398\n", 136) = 136<br>[pid 23703] write(1</var/log/apps.log>, "<190>1 2021-02-19T12:31:16.855+00:00 localhost usm 6802 - - 8389:Usm INFO {Orchestrator.cpp:1329} attr_id=10931 moid=8398\n", 136) = 136<br>[pid 23703] write(1</var/log/apps.log>, "<190>1 2021-02-19T12:31:16.885+00:00 localhost usm 6802 - - 8395:Usm INFO {Orchestrator.cpp:1329} attr_id=10931 moid=8398\n", 136) = 136</span></b><br><br>
<font size="2">After some time I stop seeing writes to the console's, and only see writes to the apps.log file.
</font><br><b><br><span style="font-family:monospace">[pid 24379] write(23<pipe:[1957563]>, "<190>1 2021-02-19T12:31:21.334+00:00 localhost dbf 7884 - - 8159:Dbf INFO {transaction_context.cpp:20} dtor of TransCtxt, tid: 120\n", 145) = 145<br>[pid 23703] write(1</var/log/apps.log>, "<190>1 2021-02-19T12:31:21.334+00:00 localhost dbf 7884 - - 8159:Dbf INFO {transaction_context.cpp:20} dtor of TransCtxt, tid: 120\n", 145) = 145</span></b></div><div></div><div><span style="font-family:monospace"><br></span></div><div><span style="font-family:monospace"><br></span></div><div><span style="font-family:monospace"><span style="font-family:arial,sans-serif">It seems that due to the high amount of messages the logging to the console is discarded.</span><br></span></div><div></div><div>Can you help me to solve this, <br></div><div>Thanks in advance,</div><div>Alex<br></div><div><br></div><div><br></div><div><br></div></div>