Hi,
I have a kamailio 4.4.5 (x86_64/linux), running as a proxy in front of
asterisk, handling udp/tcp/tls registration, using udp towards asterisk.
Over time memory is consumed and the Passive Open TCP sessions is
increasing until we run out of memory and a restart is needed.
Sep 11 06:25:03 ERROR: <core> [mem/f_malloc.c:415]: fm_search_defrag():
fm_search_defrag(0x7f9d55184000, 34120); Free fragment not found!
Sep 11 06:25:03 ERROR: <core> [mem/f_malloc.c:498]: fm_malloc():
fm_malloc(0x7f9d55184000, 34120) called from tls: tls_init.c:
ser_malloc(275), module: tls; Free fragment not found!
This image contains graphs that show the behaviour:
https://imgur.com/68PvmyA
Should it behave like this?
Is there a knob to twist to change behaviour?
tcp / tls stuff from kamailio.cfg:
enable_tls=yes
tcp_max_connections=8196
tls_max_connections=8196
tcp_no_connect=yes # Don't try to connect - drop if there is no session
tcp_connection_lifetime=3605
modparam("tcpops", "closed_event", 1)
modparam("usrloc", "handle_lost_tcp", 1)
modparam("usrloc", "close_expired_tcp", 1)
in the registrar route I have:
tcp_keepalive_enable("60", "5", "5");
/niklas
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