Hello
We've put Kamailio on a machine with a SIP-Proxy role, we replaced another SIP proxy implementation. We started with the default 4Mb of PKG Memory and 1024 Mb of Shared Memory but we had messages like these in the logs: 2013-09-26 13:48:26,939 ERROR: app_perl [kamailioxs.xs:371]: pv_sprintf(): pv_sprintf: Memory exhausted! 2013-09-26 13:48:50,267 ERROR: app_perl [kamailioxs.xs:371]: pv_sprintf(): pv_sprintf: Memory exhausted! 2013-09-26 13:48:51,822 ERROR: <core> [data_lump.c:197]: insert_subst_lump_after(): ERROR: insert_new_lump_after: out of memory 2013-09-26 13:48:51,823 ERROR: <core> [parser/contact/contact.c:194]: parse_contacts(): parse_contacts(): No memory left 2013-09-26 13:48:51,823 ERROR: memcached [../../parser/../ut.h:736]: pkg_str_dup(): could not allocate private memory from available pool 2013-09-26 13:48:51,823 ERROR: <core> [data_lump.c:373]: anchor_lump(): ERROR: anchor_lump: out of memory 2013-09-26 13:48:51,823 ERROR: <core> [dset.c:525]: rewrite_uri(): No memory left to rewrite r-uri 2013-09-26 13:48:51,823 ERROR: <core> [action.c:810]: do_action(): ERROR: do_action: memory allocation failure 2013-09-26 13:48:51,823 ERROR: <core> [msg_translator.c:2164]: build_res_buf_from_sip_req(): ERROR: build_res_buf_from_sip_req: out of memory ; needs 357 2013-09-26 13:48:51,823 ERROR: <core> [msg_translator.c:2164]: build_res_buf_from_sip_req(): ERROR: build_res_buf_from_sip_req: out of memory ; needs 376 Then we started kamailio like below, with 1024Mb of private memory (per process) : /opt/kamailio/sbin/kamailio -f /opt/kamailio/etc/kamailio//kamailio.cfg -w /opt/kamailio/core_dir/corefiles -P /opt/kamailio/var/run//kamailio.pid -m 1024 -M 1024 -u kamailio -g kamailio Then after about 4 days we realized that we have a steady increase of used memory ( in the output of free command the '-/+ buffers/cache:' row ), and we simply restarted the kamailio process. The machine has 12 Gb of RAM , we run with children=32 . 1gb of memory per process x 32 child processes means that we are over the physical capacity of the machine. The question is , are we in any danger of running out of memory on this box where we only run kamailio ? We don't want to reach the point where the kernel starts killing processes. Shall we suspect some memory leak in the app_perl module ? (we do some http queries over SSL from a perl script) Thank you. Regards, Dragos Oancea
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