18 Jul
2024
18 Jul
'24
3:51 a.m.
Hello,
indeed the previous commit was destroying a single avp, I pushed a new
one to destroy all of them with that name. I am wondering if all avps,
no matter the name should be destroyed.
Anyhow, could you fetch the latest git master version and try your
scenario again?
Cheers,
Daniel
On 16.07.24 16:11, Vanderlei Torres Batistela wrote:
Hello Daniel,
I tried with git master branch and it works only for a simple
event-route script where avp(msg) is not modified as below:
# event route
event_route[network:msg] {
xlog("L_INFO", " Event_Route \n");
if (is_incoming()) {
xlog("L_INFO", "Received message '$mb' \n");
$avp(msg) = $mb;
xinfo("avp(msg) = $avp(msg)");
} else {
xlog("L_INFO", "Sending message '$mb' \n");
$avp(msg) = $mb;
xinfo("avp(msg) = $avp(msg)");
}
}
Then I tried it using this script as an example to set the message to
send out:
# event route
event_route[network:msg] {
xlog("L_INFO", " Event_Route \n");
if (is_incoming()) {
xlog("L_INFO", "Received message '$mb' \n");
$avp(msg) = $mb;
xinfo("avp(msg) = $avp(msg)");
} else {
xlog("L_INFO", "Sending message '$mb' \n");
$avp(msg) = $mb;
xinfo("var(x)= $var(x)");
$var(x)="a=3gOoBTC" + "\r" + "\n";
$avp(msg) = $(avp(msg){s.replace,$var(x),});
avp_print();
}
}
Examining the attached log I saw that for each INVITE retransmission
(handled by another processor-pid) the avp (msg) is not freed and is
accumulated.
So I modified the script to delete the avp(msg) before using it and
that fixed the issue.
2) Delete avp(msg) before using it
# event route
event_route[network:msg] {
xlog("L_INFO", " Event_Route \n");
if (is_incoming()) {
xlog("L_INFO", "Received message '$mb' \n");
$avp(msg) = $mb;
xinfo("avp(msg) = $avp(msg)");
} else {
xlog("L_INFO", "Sending message '$mb' \n");
$(avp(msg)[*]) = $null;
<----------------------------------------------
$avp(msg) = $mb;
xinfo("var(x)= $var(x)");
$var(x)="a=3gOoBTC" + "\r" + "\n";
$avp(msg) = $(avp(msg){s.replace,$var(x),});
avp_print();
}
}
This workaround also fixed the issue in the original 5.8.2 version.
Regards,
Vanderlei
------------------------------------------------------------------------
*De:* Daniel-Constantin Mierla <miconda(a)gmail.com>
*Enviado:* quarta-feira, 10 de julho de 2024 07:05
*Para:* Kamailio (SER) - Users Mailing List <sr-users(a)lists.kamailio.org>
*Cc:* Vanderlei Torres Batistela <v.batistela(a)hotmail.com>
*Assunto:* Re: [SR-Users] Possible Kamailio memmory leak - version 5.8.2
Hello,
I couldn't spot any error message in the log file that you attached,
have you taken it when you encountered the problem?
Anyhow, I am not familiar with the implementation of the
event_route[network:msg], but the shm info indicates the leak to be
related to avp, so I pushed a patch to destroy the nio_msg_avp avp
after event route execution. Can you try with git master branch and
see if works ok?
Cheers,
Daniel
On 02.07.24 16:24, Vanderlei Torres Batistela via sr-users wrote:
Hello all,
I am using a very simple scritp with corex module enabled .
Normal calls works fine, but a scenario where INVITE does not
receive response and the call is released with SIP 408 (request
timeout) leads to memmory leak. I verified it making a lot of
calls with this scenario and printing the shared memory (using
kamcmd core.shmmem) . Its ocurred with modparam("corex",
"nio_intercept", 1).
If I modify to modparam("corex", "nio_intercept", 0) the
memmory
leak does not ocurr anymore.
The problem also occurs in another scenario where the SIP Cancel
message is not responded to.
My script has this event route
# event route
event_route[network:msg] {
xlog("L_INFO", "Dentro do Event_Route \n");
if (is_incoming()) {
xlog("L_INFO", "Received message '$mb' \n");
$avp(msg) = $mb;
xinfo("avp(msg) = $avp(msg)");
} else {
xlog("L_INFO", "Sending message '$mb' \n");
$avp(msg) = $mb;
};
}
Test done wtih 4000 calls:
[root@labcom070 kamailio]# kamctl stats shmem
{
"jsonrpc": "2.0",
"result": [
"shmem:fragments = 900",
"shmem:free_size = 6180368",
"shmem:max_used_size = 66980272",
"shmem:real_used_size = 60928496",
"shmem:total_size = 67108864",
"shmem:used_size = 54884944"
],
"id": 393115
}
[root@labcom070 kamailio]# kamcmd mod.stats all shm
Module: core
{
create_avp(178): 52257504
counters_prefork_init(211): 53760
cfg_clone_str(132): 112
cfg_shmize(221): 832
main_loop(1381): 16
init_pt(104): 16
init_pt(103): 16
init_pt(102): 6224
cfg_register_ctx(47): 96
init_tcp(5197): 8192
init_tcp(5191): 32768
init_tcp(5182): 16
init_tcp(5175): 16
init_tcp(5167): 16
init_tcp(5161): 16
init_tcp(5149): 16
init_avps(92): 16
init_avps(91): 16
init_dst_blocklist(435): 16384
init_dst_blocklist(427): 16
timer_alloc(494): 96
init_dns_cache(368): 16
init_dns_cache(359): 16384
init_dns_cache(351): 16
init_dns_cache(343): 16
init_timer(264): 16
init_timer(263): 16384
init_timer(262): 16
init_timer(261): 16
init_timer(250): 16
init_timer(218): 16
init_timer(207): 278544
init_timer(206): 16
init_timer(194): 16
cfg_child_cb_new(832): 64
sr_cfg_init(371): 16
sr_cfg_init(364): 16
sr_cfg_init(356): 16
sr_cfg_init(344): 16
sr_cfg_init(332): 16
ksr_shutdown_phase_init(123): 16
rpc_hash_add(118): 16
qm_shm_lock_init(1463): 16
Total: 52687808
}
I attached my kamailio script used and a log with one call
using the command "kamcmd corex.shm_summary" with
modparam("corex", "nio_intercept", 1)
and modparam("corex", "nio_intercept", 0)
Regards,
Vanderlei
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twitter.com/miconda -- linkedin.com/in/miconda
Kamailio Consultancy, Training and Development Services -- asipto.com