[OpenSIPS-Users] multiple sub interfaces - opensips crashes

[Bogdan-Andrei Iancu]

Hi OpenSIPer,

With 600 interfaces (btw , have actually listed the 600 sockets into the 
cfg or pointed the socket to the interface?) with 2 workers per socket 
-> 1200 workers / processes. That means 1200 connections to your DB 
server, which may be a bottle neck (by default, mysql accepts around 100 
simultaneous connections).

I suspect your mysql server cannot cope with the 1200 conn, preventing 
OpenSIPS to properly start.

Regards,

Bogdan-Andrei Iancu

OpenSIPS Founder and Developer
   https://www.opensips-solutions.com
OpenSIPS Bootcamp 2020 online
   https://opensips.org/training/OpenSIPS_eBootcamp_2020/

On 11/2/20 1:23 AM, M S wrote:
> Hi all,
> I have a machine with 600 subinterfaces. when I start opensips with 2 
> udp workers per interface, it doesn't start and keeps restarting.
> First error message was about too many connections to Mysql which I 
> fixed by increasing max_connections, but now I am getting:
>
> ERROR:db_mysql:db_mysql_new_connection: initial connect failed
> ERROR:core:db_do_init: could not add connection to the pool
> ERROR:sql_cacher:child_init: Cannot connect to SQL DB from child
> ERROR:core:init_mod_child: failed to initializing module sql_cacher, 
> rank 683
> ERROR:core:send_status_code: write(-1) failed (-1): 32, Broken pipe
> ERROR:core:udp_start_processes: failed to send -1 status code
> ERROR:db_mysql:db_mysql_connect: driver error(2002): Can't connect to 
> local MySQL server through socket '/var/lib/mysql/mysql.sock' (11)
>
> and:
>
> ERROR:core:send_status_code: write(-1) failed (-1): 32, Broken pipe
> ERROR:core:udp_start_processes: failed to send -1 status code
>
> Any ideas how I can fix this?
> Also, can I just limit number of opensips forked processes, to run 
> just a certain number process instead of x numbers per interface? I 
> tried using auto_scaling but it did not help. in my opensips.conf, I 
> have:
> socket=udp:*:5060
> and adding an autoscaling profile in front of it seems to limit the 
> processes per interface again, not all...
>
> Any help is appreciated.
>
> Thanks!
>
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