[Freeswitch-users] Memory leak in mod_nibblebill or in ODBC core?
Vlasis Hatzistavrou (KTI)
vhatz at kinetix.gr
Tue Apr 20 17:29:22 PDT 2010
Hello all,
A quick question since the topic of lost sip dialogs was touched: in
cases of such dialogs, I assume that FS keeps the reserved memory for
the SIP dialog. But what happens when many lost SIP dialogs start to
accumulate over time? Does FS have any internal time-out for too old
dialogs to declare them dead and release the reserved memory?
Best regards,
Vlasis Hatzistavrou
Monastiriou 9 & Enotikon
54627
Thessaloniki
Greece
Tel.: +302310556134
Fax: +302310556134 (ext. 0)
GSM: +306977835653
e-mail: vhatz at kinetixtele.com
http://www.kinetixtele.com
Anthony Minessale wrote:
> yes its a function of the sofia-sip project, but did you wait before
> you stopped it?
> We have people sending non stop 200+calls a second complaining about
> no leaks.
> So if you have some real problem it's going to be your network
> conditions and interop with your
> providers causing an edge case with the SIP stack itself who has it's
> own list and irc channel.
>
>
>
> On Mon, Apr 19, 2010 at 11:45 AM, Sergey Okhapkin
> <sos at sokhapkin.dyndns.org <mailto:sos at sokhapkin.dyndns.org>> wrote:
>
> It's possible that some BYE or ACK could be lost, but shouldn't
> sip dialogs be
> destroyed automatically after a timeout?
>
> On Monday 19 April 2010, Anthony Minessale wrote:
> > welll you are losing sip dialogs somewhere.
> > It's not a leak its loss of sip dialogs most likely a side effect of
> > topology problems.
> >
> >
> > On Mon, Apr 19, 2010 at 11:03 AM, Sergey Okhapkin
> >
> > <sos at sokhapkin.dyndns.org <mailto:sos at sokhapkin.dyndns.org>>wrote:
> > > The command was exactly as you suggested, FS was started with
> "-nonat
> > > -vg" command line options, after few hours run (about 5K calls
> processed)
> > > FS was shut down gracefully.
> > >
> > > On Monday 19 April 2010, Anthony Minessale wrote:
> > > > This is invalid.
> > > >
> > > > Those places are where sip calls are created and they are most
> > > > definitely not leaking.
> > > > If anything, it suggests dialogs that are up still and not yet
> > > > destroyed
> > >
> > > at
> > >
> > > > the termination of the program.
> > > > If this location in the code was a leak it would be gigs not
> megs
> > >
> > > missing.
> > >
> > > > Did you do the exact command I said (especially -vg param to
> FS) and
> > > > then
> > >
> > > a
> > >
> > > > full clean shutdown all the way back to the shell?
> > > >
> > > > Are you maybe not getting the BYE to your calls creating
> open dialogs?
> > > > You may want to turn on the sip trace.
> > > >
> > > >
> > > > On Mon, Apr 19, 2010 at 10:29 AM, Sergey Okhapkin
> > > >
> > > > <sos at sokhapkin.dyndns.org
> <mailto:sos at sokhapkin.dyndns.org>>wrote:
> > > > > Valgrind doesn't show leaks in mod_nibblebill, most of the
> leaked
> > >
> > > memory
> > >
> > > > > was
> > > > > in mod_sofia:
> > > > >
> > > > > ==12476== 53,064 bytes in 67 blocks are definitely lost in
> loss
> > > > > record 138 of
> > > > > 141
> > > > > ==12476== at 0x4026378: malloc (in /usr/lib/valgrind/x86-
> > > > > linux/vgpreload_memcheck.so)
> > > > > ==12476== by 0x6A0DC8F: sofia_handle_sip_i_invite
> (sofia.c:6538)
> > > > > ==12476==
> > > > > ==12476==
> > > > > ==12476== 92,664 bytes in 117 blocks are definitely lost
> in loss
> > > > > record 139 of
> > > > > 141
> > > > > ==12476== at 0x4026378: malloc (in /usr/lib/valgrind/x86-
> > > > > linux/vgpreload_memcheck.so)
> > > > > ==12476== by 0x6A2F76F: sofia_glue_do_invite
> (sofia_glue.c:1874)
> > > > > ==12476==
> > > > >
> > > > > BTW, do I understand FS code correct that channel private
> data are
> > >
> > > always
> > >
> > > > > handled by sqlite, even if I enable core ODBC?
> > > > >
> > > > > On Monday 19 April 2010, Anthony Minessale wrote:
> > > > > > 300M is tiny. try having 2000 channels up you can soar
> into a gig
> > > > > > of
> > > > >
> > > > > usage.
> > > > >
> > > > > > That valgrind report only showed 100k leaked which means
> it was all
> > > > > > accounted for and torn down in the end.
> > > > > >
> > > > > > If you can find a specific leak in the nibble bill
> module with
> > >
> > > valgrind
> > >
> > > > > we
> > > > >
> > > > > > will gladly fix it and you
> > > > > > can gladly thank us for giving you a way to make money
> by the
> > > > > > second.
> > > > > >
> > > > > > valgrind --tool=memcheck --log-file=vg.log --leak-check=full
> > > > > > --leak-resolution=high --show-reachable=yes
> > > > > > /usr/local/freeswitch/bin/freeswitch -vg
> > > > > >
> > > > > >
> > > > > >
> > > > > > On Sun, Apr 18, 2010 at 11:48 AM, Sergey Okhapkin
> > > > > >
> > > > > > <sos at sokhapkin.dyndns.org
> <mailto:sos at sokhapkin.dyndns.org>>wrote:
> > > > > > > Which valgrind options should I specify? I did run
> > > > > > >
> > > > > > > valgrind --tool=memcheck --log-file=vg.log
> --leak-check=full
> > >
> > > --leak-
> > >
> > > > > > > resolution=high --show-reachable=yes ./freeswitch
> -nonat -vg
> > > > > > >
> > > > > > > 100K leaked is nothing compared to FS process RSS of
> 300M...
> > > > > > >
> > > > > > > On Sunday 18 April 2010, Anthony Minessale wrote:
> > > > > > > > Also thatb suggests you leaked a whopping 100k
> > > > > > > >
> > > > > > > > On Apr 18, 2010 11:35 AM, "Anthony Minessale" <
> > > > > > >
> > > > > > > anthony.minessale at gmail.com
> <mailto:anthony.minessale at gmail.com>>
> > > > > > >
> > > > > > > > wrote:
> > > > > > > >
> > > > > > > > That's not very useful you need a full report with
> extended
> > > > > > > > checking.
> > > > > > > >
> > > > > > > > > On Apr 18, 2010 7:34 AM, "Sergey Okhapkin" <
> > > > >
> > > > > sos at sokhapkin.dyndns.org <mailto:sos at sokhapkin.dyndns.org>>
> > > > >
> > > > > > > > wrote:
> > > > > > > > > According to v...
> > > > > > > > >
> > > > > > > > >
> > > > > > > > >
> > > > > > > > >
> > > > > > > > >
> > > > > > > > > On Saturday 17 April 2010, Michael Jerris wrote:
> > > > > > > > > That is a completely incorrect statement. Usi...
> > > > > > >
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> --
> Anthony Minessale II
>
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