[SR-Users] potential memory leak

[Daniel-Constantin Mierla]

Hello,

what version are you running? Is it after the commit:

http://git.sip-router.org/cgi-bin/gitweb.cgi/sip-router/?a=commit;h=341f810dca0cc0596e22f2ac1bca86de0b8d142d 
?

Cheers,
Daniel

On 9/30/13 3:59 PM, Dragos Oancea wrote:
> 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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-- 
Daniel-Constantin Mierla - http://www.asipto.com
http://twitter.com/#!/miconda - http://www.linkedin.com/in/miconda
Kamailio Advanced Trainings - Berlin, Nov 25-28; Miami, Nov 18-20, 2013
   - more details about Kamailio trainings at http://www.asipto.com -

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