Hi,
I am trying to run a load test of 1000 messages/sec with 3gpp-SMS
#### Kamailio details
> Kamailio version : 5.7.4 (downloaded from deb repo)
> Ruuning under Ubuntu 18.04.6 LT
> PKG Mem 32 MB
> SHM Mem 1024 MB
When I run the load for around half an hour the PKG mem usgae keeps on
increasing and finally after the mentioned (half an hour) time Kamailio start
putting Error Logs that : **_could not allocate private memory from pkg pool_**
I referred to https://www.kamailio.org/wiki/tutorials/troubleshooting/memory,
and when I use **kamcmd pkg.stats** I see blow out put for the udp receivers :
```
{
entry: 1
pid: 11070
rank: 1
used: 3652840
free: 0
real_used: 16777216
total_size: 16777216
total_frags: 0
desc: udp receiver child=0 sock=192.168.136.151:5060
}
{
entry: 2
pid: 11071
rank: 2
used: 3652840
free: 0
real_used: 16777216
total_size: 16777216
total_frags: 0
desc: udp receiver child=1 sock=192.168.136.151:5060
}
{
entry: 3
pid: 11072
rank: 3
used: 3652912
free: 0
real_used: 16777216
total_size: 16777216
total_frags: 0
desc: udp receiver child=2 sock=192.168.136.151:5060
}
```
On further enabling **memdbg** for individual packets, I could see that for
each message processing :
204 Malloc operations , 184 free operations .
_Seems to be a memory leak condition_ . Am i missing something here ?
On matching the allocated and freed address, I could find below source files
where address is allocated but not freed :
```
May 6 15:23:48 stgn-haud-vm-ub-kamailio01 /usr/sbin/kamailio[14646]: INFO:
<core> [core/mem/f_malloc.c:450]: fm_malloc(): fm_malloc(0x7fc29f1fb010, 48)
called from core: core/route.c: route_add(124)
May 6 15:23:48 stgn-haud-vm-ub-kamailio01 /usr/sbin/kamailio[14646]: INFO:
<core> [core/mem/f_malloc.c:540]: fm_malloc(): fm_malloc(0x7fc29f1fb010, 48)
returns address 0x7fc29f2a4188
May 6 15:23:48 stgn-haud-vm-ub-kamailio01 /usr/sbin/kamailio[14646]: INFO:
<core> [core/mem/f_malloc.c:450]: fm_malloc(): fm_malloc(0x7fc29f1fb010, 48)
called from core: core/route.c: route_add(124)
May 6 15:23:48 stgn-haud-vm-ub-kamailio01 /usr/sbin/kamailio[14646]: INFO:
<core> [core/mem/f_malloc.c:540]: fm_malloc(): fm_malloc(0x7fc29f1fb010, 48)
returns address 0x7fc29f2a4200
May 6 15:23:48 stgn-haud-vm-ub-kamailio01 /usr/sbin/kamailio[14646]: INFO:
<core> [core/mem/f_malloc.c:450]: fm_malloc(): fm_malloc(0x7fc29f1fb010, 48)
called from core: core/route.c: route_add(124)
May 6 15:23:48 stgn-haud-vm-ub-kamailio01 /usr/sbin/kamailio[14646]: INFO:
<core> [core/mem/f_malloc.c:540]: fm_malloc(): fm_malloc(0x7fc29f1fb010, 48)
returns address 0x7fc29f2a4278
May 6 15:23:48 stgn-haud-vm-ub-kamailio01 /usr/sbin/kamailio[14646]: INFO:
<core> [core/mem/f_malloc.c:450]: fm_malloc(): fm_malloc(0x7fc29f1fb010, 48)
called from core: core/route.c: route_add(124)
May 6 15:23:48 stgn-haud-vm-ub-kamailio01 /usr/sbin/kamailio[14646]: INFO:
<core> [core/mem/f_malloc.c:540]: fm_malloc(): fm_malloc(0x7fc29f1fb010, 48)
returns address 0x7fc29f2a42f0
```
```
May 6 15:23:48 stgn-haud-vm-ub-kamailio01 /usr/sbin/kamailio[14646]: INFO:
<core> [core/mem/f_malloc.c:540]: fm_malloc(): fm_malloc(0x7fc29f1fb010, 64)
returns address 0x7fc29f2a44f8
May 6 15:23:48 stgn-haud-vm-ub-kamailio01 /usr/sbin/kamailio[14646]: INFO:
<core> [core/mem/f_malloc.c:450]: fm_malloc(): fm_malloc(0x7fc29f1fb010, 64)
called from core: core/parser/msg_parser.c: parse_heade
May 6 15:23:48 stgn-haud-vm-ub-kamailio01 /usr/sbin/kamailio[14646]: INFO:
<core> [core/mem/f_malloc.c:540]: fm_malloc(): fm_malloc(0x7fc29f1fb010, 64)
returns address 0x7fc29f2b2df8
May 6 15:23:48 stgn-haud-vm-ub-kamailio01 /usr/sbin/kamailio[14646]: INFO:
<core> [core/mem/f_malloc.c:450]: fm_malloc(): fm_malloc(0x7fc29f1fb010, 64)
called from core: core/parser/msg_parser.c: parse_heade
```
Need guidance support here how to avoid this memory leak condition and how to
get more details to aid further investigation.
Thank you!
Regards
Paresh Panda
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