Hello Henning,

Thank you for your quick response.

The increase happens in the core module (create-avp). See bellow:

[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 <------------------

}

[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

}

These reports above are shown after the end of calls (4000)

where the outgoing INVITE is not answered. In normal calls the issue

does not occur and the reports are shown below: