5.1.5 of course
On 3 September 2018 at 14:11, Dmitri Savolainen <savolainen(a)erinaco.ru>
wrote:
Hi all.
i encountered in my 4.1.5 kamailio server some inconstant issue.
I have 2 listen address:
addr1 for incoming SIP requests and as source addr for remote
registration (via UAC module)
addr2 for incoming SIP requests only
uac config for regs:
modparam("uac", "reg_keep_callid", 1)
modparam("uac", "reg_random_delay", 120)
modparam("uac", "reg_retry_interval", 300)
modparam("uac", "reg_timer_interval", 40)
i have response time checking tool, that send OPTIONS every second,
which immedeately replied by sl_send_reply("200") without any processing.
Usualy respose time <1ms.
Sometimes (2-3 per day) addr1 stop to response for these OPTIONS (timeout
5sec), while addr2 continue responding with time
<1ms. In kamailio.log
at this moment bunch of messages like
ERROR: uac [uac_reg.c:1034]: uac_reg_tm_callback(): got sip response 403
while registering
ERROR: uac [uac_reg.c:1034]: uac_reg_tm_callback(): got sip response 408
while registering
That is normal: some remotes are broken.
The problem is:
1. usually these messages appearing is not the reason of problem, but all
problems are while these messages in log
2. it may be on OFF peak / ON peak day period
3. in my test installation i have much more remote failure registration (X
10), and the problem is not manifested more often (but i can catch it 2-3
per day)
I think adding more workers for addr1 may help (now 8 worker and 16 CPUs).
But it is interesting to understand the source of this issue
--
Savolainen Dmitri