4 Jan
2025
4 Jan
'25
1:30 p.m.
Hello Alex,
indeed, this is easier to analyse with the usual system management tools.
Small addition, for TCP and TLS there is actually a distributor or main process inside
Kamailio:
$ kamcmd ps |grep tcp |grep main
18439 tcp main process
$ netstat -nap |grep 5060 | grep 18439
tcp 0 0 116.203.XXX.XXX:5060 0.0.0.0:* LISTEN
18439/kamailio
tcp 0 0 116.203.XXX.XXX:5060 0.0.0.0:* LISTEN
18439/kamailio
tcp 0 0 127.0.0.1:5060 0.0.0.0:* LISTEN
18439/kamailio
tcp6 0 0 2a01:4f8:XXXX:XXXX::5060 :::* LISTEN
18439/kamailio
Cheers,
Henning
-----Original Message-----
From: Alex Balashov via sr-users <sr-users(a)lists.kamailio.org>
Sent: Samstag, 4. Januar 2025 18:01
To: Kamailio (SER) - Users Mailing List <sr-users(a)lists.kamailio.org>
Cc: Alex Balashov <abalashov(a)evaristesys.com>
Subject: [SR-Users] Re: children monitoring
It's hard for children to introspect on and report their own busy status, and
there's no distributor/supervisor process that has that kind of awareness
about the children[1].
`ss -nl` (or `netstat` equivalent) will show you, in the RecvQ column, the
number of packets (UDP) or connections (TCP) that are stacked up and going
unreplied by any child. This figure should be 0 or substantially 0 if things are
going well.
-- Alex
[1] Notwithstanding the recent 6.x change that optionally adds such a
process.
On Jan 4, 2025, at 2:31 am, Sergey Safarov via
sr-users <sr-
users(a)lists.kamailio.org> wrote:
If TCP children are busy,
Please correct me if I am wrong if the remote IP is not responding via TCP
protocol, this leads to a timeout and this child is busy.
If many remote endpoints are not reachable via
TCP this can lead to the case
when half or more children are by timeout operations.
I think required to monitor how many children are busy.
Is it possible to get such info using kamcmd utility, statistics module, or
xprom module.
Sergey
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--
Alex Balashov
Principal Consultant
Evariste Systems LLC
Web: https://evaristesys.com
Tel: +1-706-510-6800
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