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<p class="MsoNormal"><span style="color:#1F497D">I have about 460 destination sets. In each set I could have from 1 address up to 6.
<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D">When I took that initial memory log, Kamailio had been restarted shortly beforehand. I just took another one after the system had decayed so Kamailio was responding to Invites with “SIP/2.0 500 No error (2/SL).”
(exhibiting the issue after a few days) and the log is about 400Mb! I’ll attach a small snippet.
<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D">Seems to be going on and on about the dispatcher module.
<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D">-Tim<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D"><o:p> </o:p></span></p>
<div>
<div style="border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0in 0in 0in">
<p class="MsoNormal"><b><span style="font-size:10.0pt;font-family:"Tahoma","sans-serif";color:windowtext">From:</span></b><span style="font-size:10.0pt;font-family:"Tahoma","sans-serif";color:windowtext"> Daniel-Constantin Mierla [mailto:miconda@gmail.com]
<br>
<b>Sent:</b> Thursday, August 28, 2014 5:03 AM<br>
<b>To:</b> Heenan, Timothy Steven; Kamailio (SER) - Users Mailing List<br>
<b>Subject:</b> Re: [SR-Users] Kamailio 4.0.4 slow memory leak<o:p></o:p></span></p>
</div>
</div>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal" style="margin-bottom:12.0pt">Looking at the logs, there are 1336 URIs, which seems ok given your numbers, because the module keeps also the previous set of records (needed because at reload time there can be kamailio worker processes using
the records -- perhaps we can improve a bit here, I will review the current reload code a bit, since it was a contribution from another developer quite long time ago).<br>
<br>
Some more questions:<br>
- how many destination sets (groups) do you have? Can you estimate the minimum and maximum addresses in a set?<br>
- when did you take the memory log? In other words, for how long was kamailio running? Did you wait enough to notice the steady increase of memory usage?<br>
<br>
Cheers,<br>
Daniel<o:p></o:p></p>
<div>
<p class="MsoNormal">On 28/08/14 01:56, Heenan, Timothy Steven wrote:<o:p></o:p></p>
</div>
<blockquote style="margin-top:5.0pt;margin-bottom:5.0pt">
<p class="MsoNormal"><span style="color:#1F497D">Thank you for the help. </span><o:p></o:p></p>
<p class="MsoNormal"><span style="color:#1F497D"> </span><o:p></o:p></p>
<p class="MsoNormal"><span style="color:#1F497D">For dispatcher, I’m using a database that contains about 700 records.
</span><o:p></o:p></p>
<p class="MsoNormal"><span style="color:#1F497D"> </span><o:p></o:p></p>
<p class="MsoNormal"><span style="color:#1F497D">A reload is performed via cronjob every 5 minutes. The command being used is:</span><o:p></o:p></p>
<p class="MsoNormal"><span style="color:#1F497D"> </span><o:p></o:p></p>
<p class="MsoNormal"><span style="color:#1F497D">kamctl dispatcher reload</span><o:p></o:p></p>
<p class="MsoNormal"><span style="color:#1F497D"> </span><o:p></o:p></p>
<p class="MsoNormal"><span style="color:#1F497D">Thanks,</span><o:p></o:p></p>
<p class="MsoNormal"><span style="color:#1F497D">-Tim</span><o:p></o:p></p>
<p class="MsoNormal"><span style="color:#1F497D"> </span><o:p></o:p></p>
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<p class="MsoNormal"><b><span style="font-size:10.0pt;font-family:"Tahoma","sans-serif";color:windowtext">From:</span></b><span style="font-size:10.0pt;font-family:"Tahoma","sans-serif";color:windowtext"> Daniel-Constantin Mierla [<a href="mailto:miconda@gmail.com">mailto:miconda@gmail.com</a>]
<br>
<b>Sent:</b> Wednesday, August 27, 2014 5:22 PM<br>
<b>To:</b> Heenan, Timothy Steven; Kamailio (SER) - Users Mailing List<br>
<b>Subject:</b> Re: [SR-Users] Kamailio 4.0.4 slow memory leak</span><o:p></o:p></p>
</div>
</div>
<p class="MsoNormal"> <o:p></o:p></p>
<p class="MsoNormal" style="margin-bottom:12.0pt">The logs suggest some leaks in dispatcher module -- it allocates shared memory only for caching routing records. Few more questions I need to get the answers in order to troubleshoot further.<br>
<br>
How many records do you have in dispatcher table? Is it in database or the text file?<br>
<br>
How ofter do you reload? What is the command you use for reload?<br>
<br>
Cheers,<br>
Daniel<o:p></o:p></p>
<div>
<p class="MsoNormal">On 26/08/14 22:42, Heenan, Timothy Steven wrote:<o:p></o:p></p>
</div>
<blockquote style="margin-top:5.0pt;margin-bottom:5.0pt">
<p class="MsoNormal"><span style="color:#1F497D">I have attached is the output of “kamcmd cfg.set_now_int core mem_dump_shm 1” to this email. I had to restart Kamailio to load ctl and ctl_rpc, so let me know if I need to do another one after some time passes
and calls are processed. </span><o:p></o:p></p>
<p class="MsoNormal"><span style="color:#1F497D"> </span><o:p></o:p></p>
<p class="MsoNormal"><span style="color:#1F497D">Also, here is the output of “kamctl mi get_statistics shmem:”</span><o:p></o:p></p>
<p class="MsoNormal"><span style="color:#1F497D"> </span><o:p></o:p></p>
<p class="MsoNormal"><span style="color:#1F497D">shmem:fragments = 398</span><o:p></o:p></p>
<p class="MsoNormal"><span style="color:#1F497D">shmem:free_size = 259170720</span><o:p></o:p></p>
<p class="MsoNormal"><span style="color:#1F497D">shmem:max_used_size = 9265184</span><o:p></o:p></p>
<p class="MsoNormal"><span style="color:#1F497D">shmem:real_used_size = 9264736</span><o:p></o:p></p>
<p class="MsoNormal"><span style="color:#1F497D">shmem:total_size = 268435456</span><o:p></o:p></p>
<p class="MsoNormal"><span style="color:#1F497D">shmem:used_size = 8559768</span><o:p></o:p></p>
<p class="MsoNormal"> <o:p></o:p></p>
<p class="MsoNormal"><span style="color:#1F497D">Thanks!</span><o:p></o:p></p>
<p class="MsoNormal"><span style="color:#1F497D">-Tim</span><o:p></o:p></p>
<p class="MsoNormal"><span style="color:#1F497D"> </span><o:p></o:p></p>
<div>
<div style="border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0in 0in 0in">
<p class="MsoNormal"><b><span style="font-size:10.0pt;font-family:"Tahoma","sans-serif";color:windowtext">From:</span></b><span style="font-size:10.0pt;font-family:"Tahoma","sans-serif";color:windowtext"> Daniel-Constantin Mierla [<a href="mailto:miconda@gmail.com">mailto:miconda@gmail.com</a>]
<br>
<b>Sent:</b> Tuesday, August 26, 2014 10:46 AM<br>
<b>To:</b> Heenan, Timothy Steven; Kamailio (SER) - Users Mailing List<br>
<b>Subject:</b> Re: [SR-Users] Kamailio 4.0.4 slow memory leak</span><o:p></o:p></p>
</div>
</div>
<p class="MsoNormal"> <o:p></o:p></p>
<p class="MsoNormal" style="margin-bottom:12.0pt">It is not needed to see the memory operations logs. Just to dump the chunks in memory.<br>
<br>
You would need ctl and ctl_rpc modules (iirc -- they should be in the default config file), then run:<br>
<br>
kamcmd cfg.set_now_int core mem_dump_shm 1<br>
<br>
Extract the logs of the dump from the shared memory and send them over.<br>
<br>
Send also the output for:<br>
<br>
kamctl mi get_statistics shmem:<br>
<br>
Cheers,<br>
Daniel<o:p></o:p></p>
<div>
<p class="MsoNormal">On 26/08/14 17:34, Heenan, Timothy Steven wrote:<o:p></o:p></p>
</div>
<blockquote style="margin-top:5.0pt;margin-bottom:5.0pt">
<p class="MsoNormal"><span style="color:#1F497D">Thank you. </span><o:p></o:p></p>
<p class="MsoNormal"><span style="color:#1F497D"> </span><o:p></o:p></p>
<p class="MsoNormal"><span style="color:#1F497D">I have recompiled with MEMDBG, however I am not observing any additional output in my log files.
</span><o:p></o:p></p>
<p class="MsoNormal"><span style="color:#1F497D">I think I have something set incorrectly in kamailio.cfg.
</span><o:p></o:p></p>
<p class="MsoNormal"><span style="color:#1F497D"> </span><o:p></o:p></p>
<p class="MsoNormal"><span style="color:#1F497D">Here are my log settings from Kamailio.cfg</span><o:p></o:p></p>
<p class="MsoNormal"><span style="color:#1F497D"> </span><o:p></o:p></p>
<p class="MsoNormal"><span style="color:#1F497D">debug=3</span><o:p></o:p></p>
<p class="MsoNormal"><span style="color:#1F497D">log_stderror=no</span><o:p></o:p></p>
<p class="MsoNormal"><span style="color:#1F497D">log_facility=LOG_LOCAL0</span><o:p></o:p></p>
<p class="MsoNormal"><span style="color:#1F497D">memdbg=2</span><o:p></o:p></p>
<p class="MsoNormal"><span style="color:#1F497D">memlog=2</span><o:p></o:p></p>
<p class="MsoNormal"><span style="color:#1F497D">…</span><o:p></o:p></p>
<p class="MsoNormal"><span style="color:#1F497D">modparam("debugger", "cfgtrace", 1)</span><o:p></o:p></p>
<p class="MsoNormal"><span style="color:#1F497D">modparam("debugger", "log_level", 2)</span><o:p></o:p></p>
<p class="MsoNormal"><span style="color:#1F497D">modparam("debugger", "cfgpkgcheck", 1)</span><o:p></o:p></p>
<p class="MsoNormal"><span style="color:#1F497D">modparam("debugger", "mod_level", "core=2")</span><o:p></o:p></p>
<p class="MsoNormal"><span style="color:#1F497D">modparam("debugger", "mod_level", "tm=2")</span><o:p></o:p></p>
<p class="MsoNormal"><span style="color:#1F497D">modparam("debugger", "mod_level", "dispatcher=2")</span><o:p></o:p></p>
<p class="MsoNormal"><span style="color:#1F497D">modparam("debugger", "mod_level", "siptrace=2")</span><o:p></o:p></p>
<p class="MsoNormal"><span style="color:#1F497D"> </span><o:p></o:p></p>
<div>
<div style="border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0in 0in 0in">
<p class="MsoNormal"><b><span style="font-size:10.0pt;font-family:"Tahoma","sans-serif";color:windowtext">From:</span></b><span style="font-size:10.0pt;font-family:"Tahoma","sans-serif";color:windowtext"> Daniel-Constantin Mierla [<a href="mailto:miconda@gmail.com">mailto:miconda@gmail.com</a>]
<br>
<b>Sent:</b> Tuesday, August 26, 2014 3:54 AM<br>
<b>To:</b> Heenan, Timothy Steven; Kamailio (SER) - Users Mailing List<br>
<b>Subject:</b> Re: [SR-Users] Kamailio 4.0.4 slow memory leak</span><o:p></o:p></p>
</div>
</div>
<p class="MsoNormal"> <o:p></o:p></p>
<p class="MsoNormal" style="margin-bottom:12.0pt">Hello,<br>
<br>
I quickly looked over the modules that use shared memory and I couldn't spot a commit related to any leak.<br>
<br>
Have you had the chance to compile with MEMDBG?<br>
<br>
Cheers,<br>
Daniel<o:p></o:p></p>
<div>
<p class="MsoNormal">On 19/08/14 19:14, Heenan, Timothy Steven wrote:<o:p></o:p></p>
</div>
<blockquote style="margin-top:5.0pt;margin-bottom:5.0pt">
<p class="MsoNormal"><span style="color:#1F497D">Do you think any of these modules possibly causing this issue?
</span><o:p></o:p></p>
<p class="MsoNormal"><span style="color:#1F497D"> </span><o:p></o:p></p>
<p class="MsoNormal"><span style="color:#1F497D">-Tim</span><o:p></o:p></p>
<p class="MsoNormal"><span style="color:#1F497D"> </span><o:p></o:p></p>
<div>
<div style="border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0in 0in 0in">
<p class="MsoNormal"><b><span style="font-size:10.0pt;font-family:"Tahoma","sans-serif";color:windowtext">From:</span></b><span style="font-size:10.0pt;font-family:"Tahoma","sans-serif";color:windowtext">
<a href="mailto:sr-users-bounces@lists.sip-router.org">sr-users-bounces@lists.sip-router.org</a> [<a href="mailto:sr-users-bounces@lists.sip-router.org">mailto:sr-users-bounces@lists.sip-router.org</a>]
<b>On Behalf Of </b>Heenan, Timothy Steven<br>
<b>Sent:</b> Tuesday, August 12, 2014 2:37 PM<br>
<b>To:</b> '<a href="mailto:miconda@gmail.com">miconda@gmail.com</a>'; Kamailio (SER) - Users Mailing List<br>
<b>Subject:</b> Re: [SR-Users] Kamailio 4.0.4 slow memory leak</span><o:p></o:p></p>
</div>
</div>
<p class="MsoNormal"> <o:p></o:p></p>
<p class="MsoNormal"><span style="color:#1F497D">Hi Daniel, </span><o:p></o:p></p>
<p class="MsoNormal"><span style="color:#1F497D"> </span><o:p></o:p></p>
<p class="MsoNormal"><span style="color:#1F497D">Here’s a list of the modules I’m running:</span><o:p></o:p></p>
<p class="MsoNormal"><span style="color:#1F497D"> </span><o:p></o:p></p>
<p class="MsoNormal"><span style="color:#1F497D">mi_fifo</span><o:p></o:p></p>
<p class="MsoNormal"><span style="color:#1F497D">db_mysql</span><o:p></o:p></p>
<p class="MsoNormal"><span style="color:#1F497D">sl</span><o:p></o:p></p>
<p class="MsoNormal"><span style="color:#1F497D">kex</span><o:p></o:p></p>
<p class="MsoNormal"><span style="color:#1F497D">tm</span><o:p></o:p></p>
<p class="MsoNormal"><span style="color:#1F497D">tmx</span><o:p></o:p></p>
<p class="MsoNormal"><span style="color:#1F497D">rr</span><o:p></o:p></p>
<p class="MsoNormal"><span style="color:#1F497D">xlog</span><o:p></o:p></p>
<p class="MsoNormal"><span style="color:#1F497D">maxfwd</span><o:p></o:p></p>
<p class="MsoNormal"><span style="color:#1F497D">usrloc</span><o:p></o:p></p>
<p class="MsoNormal"><span style="color:#1F497D">registrar</span><o:p></o:p></p>
<p class="MsoNormal"><span style="color:#1F497D">textops</span><o:p></o:p></p>
<p class="MsoNormal"><span style="color:#1F497D">pv</span><o:p></o:p></p>
<p class="MsoNormal"><span style="color:#1F497D">acc</span><o:p></o:p></p>
<p class="MsoNormal"><span style="color:#1F497D">permissions</span><o:p></o:p></p>
<p class="MsoNormal"><span style="color:#1F497D">siputils</span><o:p></o:p></p>
<p class="MsoNormal"><span style="color:#1F497D">auth</span><o:p></o:p></p>
<p class="MsoNormal"><span style="color:#1F497D">lcr</span><o:p></o:p></p>
<p class="MsoNormal"><span style="color:#1F497D">dispatcher</span><o:p></o:p></p>
<p class="MsoNormal"><span style="color:#1F497D">sanity</span><o:p></o:p></p>
<p class="MsoNormal"><span style="color:#1F497D">debugger</span><o:p></o:p></p>
<p class="MsoNormal"><span style="color:#1F497D">siptrace</span><o:p></o:p></p>
<p class="MsoNormal"><span style="color:#1F497D"> </span><o:p></o:p></p>
<p class="MsoNormal"><span style="color:#1F497D">We’re setting the memory allocation to 256 ( -m 256 –M 64 ).</span><o:p></o:p></p>
<p class="MsoNormal"><span style="color:#1F497D"> </span><o:p></o:p></p>
<p class="MsoNormal"><span style="color:#1F497D">I’ll see about recompiling with MEMDBG=1.
</span><o:p></o:p></p>
<p class="MsoNormal"><span style="color:#1F497D"> </span><o:p></o:p></p>
<p class="MsoNormal"><span style="color:#1F497D">Regards, </span><o:p></o:p></p>
<p class="MsoNormal"><span style="color:#1F497D">- Tim</span><o:p></o:p></p>
<p class="MsoNormal"><span style="color:#1F497D"> </span><o:p></o:p></p>
<div>
<div style="border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0in 0in 0in">
<p class="MsoNormal"><b><span style="font-size:10.0pt;font-family:"Tahoma","sans-serif";color:windowtext">From:</span></b><span style="font-size:10.0pt;font-family:"Tahoma","sans-serif";color:windowtext">
<a href="mailto:sr-users-bounces@lists.sip-router.org">sr-users-bounces@lists.sip-router.org</a> [<a href="mailto:sr-users-bounces@lists.sip-router.org">mailto:sr-users-bounces@lists.sip-router.org</a>]
<b>On Behalf Of </b>Daniel-Constantin Mierla<br>
<b>Sent:</b> Tuesday, August 12, 2014 4:17 AM<br>
<b>To:</b> Kamailio (SER) - Users Mailing List<br>
<b>Subject:</b> Re: [SR-Users] Kamailio 4.0.4 slow memory leak</span><o:p></o:p></p>
</div>
</div>
<p class="MsoNormal"> <o:p></o:p></p>
<p class="MsoNormal" style="margin-bottom:12.0pt">Hello,<br>
<br>
can you give the list of loaded modules? How much memory did you allocate (-m parameter value)?<br>
<br>
It will narrow down searches to see if there was anything similar fixed since 4.0.4.<br>
<br>
To troubleshoot easier, would be good to recompile with MEMDBG=1, then the details of chunks in memory can be dumped and analysed.<br>
<br>
Cheers,<br>
Daniel<o:p></o:p></p>
<div>
<p class="MsoNormal">On 12/08/14 01:40, Heenan, Timothy Steven wrote:<o:p></o:p></p>
</div>
<blockquote style="margin-top:5.0pt;margin-bottom:5.0pt">
<p class="MsoNormal">Greetings, <o:p></o:p></p>
<p class="MsoNormal"> <o:p></o:p></p>
<p class="MsoNormal">I’m running into a slow memory leak on my kamailio 4.0.4 SIP proxies. I’m observing a steady increase in the memory consumption until there is no more left. Kamailio then starts repeating this in the logs:<o:p></o:p></p>
<p class="MsoNormal"> <o:p></o:p></p>
<p class="MsoNormal">ERROR: dispatcher [dispatch.c:279]: add_dest2list(): no more memory.<o:p></o:p></p>
<p class="MsoNormal"> <o:p></o:p></p>
<p class="MsoNormal">What would be the best way to debug this kind of a memory leak? The proxy does not handle any registrations but does route a fair amount of calls.
<o:p></o:p></p>
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<pre>-- <o:p></o:p></pre>
<pre>Daniel-Constantin Mierla<o:p></o:p></pre>
<pre><a href="http://twitter.com/#%21/miconda">http://twitter.com/#!/miconda</a> - <a href="http://www.linkedin.com/in/miconda">http://www.linkedin.com/in/miconda</a><o:p></o:p></pre>
<pre>Next Kamailio Advanced Trainings 2014 - <a href="http://www.asipto.com">http://www.asipto.com</a><o:p></o:p></pre>
<pre>Sep 22-25, Berlin, Germany ::: Oct 15-17, San Francisco, USA<o:p></o:p></pre>
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<pre>-- <o:p></o:p></pre>
<pre>Daniel-Constantin Mierla<o:p></o:p></pre>
<pre><a href="http://twitter.com/#!/miconda">http://twitter.com/#!/miconda</a> - <a href="http://www.linkedin.com/in/miconda">http://www.linkedin.com/in/miconda</a><o:p></o:p></pre>
<pre>Next Kamailio Advanced Trainings 2014 - <a href="http://www.asipto.com">http://www.asipto.com</a><o:p></o:p></pre>
<pre>Sep 22-25, Berlin, Germany ::: Oct 15-17, San Francisco, USA<o:p></o:p></pre>
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