[SR-Users] Kamailio troubleshooting

[Sergey Safarov]

Thanks you Daniel
We removed perl code calls from kamailio configs and issue is resolved.
Very help full your suggestion.

Sergey

ср, 18 июл. 2018 г. в 14:37, Daniel-Constantin Mierla <miconda at gmail.com>:

> Hello,
>
> On 18.07.18 06:41, Sergey Safarov wrote:
>
> One my server with perl external script time to time is stopping
> processing SIP messages. Perl script make calls to kamailio database on
> mysql.
>
> I have found this in logs
>
> DEBUG: <core> [core/io_wait.h:380]: io_watch_add(): DBG:
> io_watch_add(0x56427eb40c40, 495, 2, 0x7f1a9f9ba408), fd_no=33
> DEBUG: <core> [core/io_wait.h:602]: io_watch_del(): DBG: io_watch_del
> (0x56427eb40c40, 495, -1, 0x0) fd_no=34 called
> DEBUG: <core> [core/tcp_main.c:4196]: handle_tcpconn_ev(): sending to
> child, events 1
> DEBUG: <core> [core/tcp_main.c:3871]: send2child(): WARNING: no free tcp
> receiver, connection passed to the least busy one (56)
> DEBUG: <core> [core/tcp_main.c:3875]: send2child(): selected tcp worker 4
> 20(24) for activity on [tcp:0.0.0.0:81], 0x7f1a9f9ba408
>
> And no next messages.
>
> How get info what is load on "tcp receiver". This host in dev mode and
> handles not more 5 devices.
>
> this messages are printed when all tcp workers are assigned to handle
> traffic on a tcp connection. They are harmless if there is a lot of traffic
> on many tcp connections, but if you say the traffic is low, then the tcp
> workers are blocked in some operations, likely the database query.
>
> You can use benchmark module or play with latency* core parameters in
> order to detect what action in config takes very long time to execute.
>
> You can also increase the value for tcp_children global parameter.
>
> Cheers,
> Daniel
>
> --
> Daniel-Constantin Mierla -- www.asipto.comwww.twitter.com/miconda -- www.linkedin.com/in/miconda
> Kamailio World Conference -- www.kamailioworld.com
>
>
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