Hi Henning, Thank you for that. I was not sure what direction to take traces in, so possible network issues with clients using TCP is a good indicator. We'll look into that.
On Mon, 29 Apr 2024 at 22:20, Henning Westerholt <h...@gilawa.com> wrote: > Hello, > > > > if Kamailio can’t send out messages due to network issues I would expect > some spikes in private and/or shared memory usage. > > > > Have you investigated e.g., with some traces to get more information about > the possible causes of this issues? > > > > Besides that, with the given information I can only recommend the usual > update to the latest stable version (e.g. 5.8.1) as the 5.2.x release > series is long end of life. > > > > Cheers, > > > > Henning > > > > -- > > Henning Westerholt – https://skalatan.de/blog/ > > Kamailio services – https://gilawa.com > > > > *From:* David Cunningham via sr-users <sr-users@lists.kamailio.org> > *Sent:* Freitag, 26. April 2024 02:27 > *To:* Kamailio (SER) - Users Mailing List <sr-users@lists.kamailio.org> > *Cc:* David Cunningham <dcunning...@voisonics.com> > *Subject:* [SR-Users] Sudden TCP errors and shared memory spikes > > > > Hello, > > > > We have a production Kamailio 5.2.7 server which has suddenly started > reporting spikes in the shared memory use. When looking into this, we > noticed that at the same time as the memory spikes Kamailio also logs a > huge amount of errors like the following. > > > > Can anyone help with an explanation for what's going on? The xx.xx.52.202 > address is the Kamailio server itself. We record historical numbers of > network connections for the server overall, and that doesn't show any > increase in the number of TCP connections, either at the time of the spikes > or as a general trend. > > > > Thanks in advance! > > > > Apr 26 09:23:16 vpbx11 /sbin/kamailio[44272]: ERROR: <core> > [core/tcp_main.c:2703]: tcpconn_1st_send(): connect xx.xx.52.202:42726 > failed (RST) Connection refused > Apr 26 09:23:16 vpbx11 /sbin/kamailio[44272]: ERROR: <core> > [core/tcp_main.c:2711]: tcpconn_1st_send(): xx.xx.52.202:42726: connect & > send for 0x14bbf44c9f40 failed: Connection refused (111) > Apr 26 09:23:16 vpbx11 /sbin/kamailio[44272]: ERROR: tm > [../../core/forward.h:293]: msg_send_buffer(): tcp_send failed > Apr 26 09:23:16 vpbx11 /sbin/kamailio[44272]: WARNING: <core> > [core/tcp_main.c:1149]: tcp_do_connect(): xx.xx.52.202:42726: could not > find corresponding listening socket for xx.xx.52.202, using default... > > > > -- > > David Cunningham, Voisonics Limited > http://voisonics.com/ > USA: +1 213 221 1092 > New Zealand: +64 (0)28 2558 3782 > -- David Cunningham, Voisonics Limited http://voisonics.com/ USA: +1 213 221 1092 New Zealand: +64 (0)28 2558 3782
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