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<p class="MsoNormal"><span style="color:windowtext">Thanks, Daniel. That seems to be the logical explanation. I’ll apply the patch and see how it goes.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:windowtext"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="color:windowtext">Looking back, that code was based on a bit of code from modules/purple/mapping.c which also does not free the result, in a few places, in the case of 0 rows in the result. We don’t use “purple” but it’s probably
worth fixing that one up too.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:windowtext"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="color:windowtext"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="color:windowtext">Cheers<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:windowtext"><o:p> </o:p></span></p>
<div>
<div style="border:none;border-top:solid #E1E1E1 1.0pt;padding:3.0pt 0cm 0cm 0cm">
<p class="MsoNormal"><b><span lang="EN-US" style="color:windowtext;mso-fareast-language:EN-GB">From:</span></b><span lang="EN-US" style="color:windowtext;mso-fareast-language:EN-GB"> Daniel-Constantin Mierla [mailto:miconda@gmail.com]
<br>
<b>Sent:</b> 19 September 2016 20:04<br>
<b>To:</b> Phil Lavin <phil.lavin@cloudcall.com>; Kamailio (SER) - Users Mailing List <sr-users@lists.sip-router.org><br>
<b>Subject:</b> Re: [SR-Users] OOM Errors<o:p></o:p></span></p>
</div>
</div>
<p class="MsoNormal"><o:p> </o:p></p>
<p>Hello,<span style="font-size:12.0pt;mso-fareast-language:EN-GB"><o:p></o:p></span></p>
<p>yes, the db related allocated chunks look to be quite high in number. That can be possible if there are db results with lots of records, but in this case there are more related to column structure than row structure.<o:p></o:p></p>
<p>Tracing back in the history of commits, I noticed a place where db result is not freed if no row is returned by query, in the presence module, patch done by you. It was not backported to 4.3, iirc, but if you did it in your branch, try with the latest patch
pushed few minutes ago in master and 4.4.<o:p></o:p></p>
<p>Cheers,<br>
Daniel<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<div>
<p class="MsoNormal">On 19/09/16 20:20, Phil Lavin wrote:<o:p></o:p></p>
</div>
<blockquote style="margin-top:5.0pt;margin-bottom:5.0pt">
<p class="MsoNormal"><span style="color:windowtext">Nevermind – I found this in the docs.</span><o:p></o:p></p>
<p class="MsoNormal"><span style="color:windowtext"> </span><o:p></o:p></p>
<p class="MsoNormal">kamcmd cfg.set_now_int core mem_dump_pkg 17645<o:p></o:p></p>
<p class="MsoNormal">kamcmd cfg.set_now_int core mem_dump_pkg 1<o:p></o:p></p>
<p class="MsoNormal"><span style="color:windowtext"> </span><o:p></o:p></p>
<p class="MsoNormal"><span style="color:windowtext">There were 27526 allocations. I have taken and parsed the output, summing the memory usage, grouping it by file/function. Parsed output is at
<a href="https://gist.github.com/phil-lavin/d2607a4eed36065e01ed42c43a0d27ad">https://gist.github.com/phil-lavin/d2607a4eed36065e01ed42c43a0d27ad</a></span><o:p></o:p></p>
<p class="MsoNormal"><span style="color:windowtext"> </span><o:p></o:p></p>
<p class="MsoNormal"><span style="color:windowtext">Do any of those stick out to you as being far higher than they should be? My feeling is that it’s related to the db_* stuff.</span><o:p></o:p></p>
<p class="MsoNormal"><span style="color:windowtext"> </span><o:p></o:p></p>
<p class="MsoNormal"><span style="color:windowtext"> </span><o:p></o:p></p>
<p class="MsoNormal"><span style="color:windowtext">Cheers</span><o:p></o:p></p>
<p class="MsoNormal"><span style="color:windowtext"> </span><o:p></o:p></p>
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<p class="MsoNormal"><b><span lang="EN-US" style="color:windowtext;mso-fareast-language:EN-GB">From:</span></b><span lang="EN-US" style="color:windowtext;mso-fareast-language:EN-GB"> sr-users [<a href="mailto:sr-users-bounces@lists.sip-router.org">mailto:sr-users-bounces@lists.sip-router.org</a>]
<b>On Behalf Of </b>Phil Lavin<br>
<b>Sent:</b> 19 September 2016 18:15<br>
<b>To:</b> <a href="mailto:miconda@gmail.com">miconda@gmail.com</a>; Kamailio (SER) - Users Mailing List
<a href="mailto:sr-users@lists.sip-router.org"><sr-users@lists.sip-router.org></a><br>
<b>Subject:</b> Re: [SR-Users] OOM Errors</span><o:p></o:p></p>
</div>
</div>
<p class="MsoNormal"> <o:p></o:p></p>
<p class="MsoNormal"><span style="color:windowtext">4.3</span><o:p></o:p></p>
<p class="MsoNormal"><span style="color:windowtext"> </span><o:p></o:p></p>
<p class="MsoNormal"><span style="color:windowtext"> </span><o:p></o:p></p>
<div>
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<p class="MsoNormal"><b><span lang="EN-US" style="color:windowtext;mso-fareast-language:EN-GB">From:</span></b><span lang="EN-US" style="color:windowtext;mso-fareast-language:EN-GB"> Daniel-Constantin Mierla [<a href="mailto:miconda@gmail.com">mailto:miconda@gmail.com</a>]
<br>
<b>Sent:</b> 19 September 2016 17:47<br>
<b>To:</b> Phil Lavin <<a href="mailto:phil.lavin@cloudcall.com">phil.lavin@cloudcall.com</a>>; Kamailio (SER) - Users Mailing List <<a href="mailto:sr-users@lists.sip-router.org">sr-users@lists.sip-router.org</a>><br>
<b>Subject:</b> Re: [SR-Users] OOM Errors</span><o:p></o:p></p>
</div>
</div>
<p class="MsoNormal"> <o:p></o:p></p>
<p>The rpc command is in 4.4, what version are you using?<o:p></o:p></p>
<p>Cheers,<br>
Daniel<o:p></o:p></p>
<p class="MsoNormal"> <o:p></o:p></p>
<div>
<p class="MsoNormal">On 19/09/16 18:11, Phil Lavin wrote:<o:p></o:p></p>
</div>
<blockquote style="margin-top:5.0pt;margin-bottom:5.0pt">
<p class="MsoNormal"><span style="color:windowtext">Having adding some graphing, I see this memory issue on another production Kamailio server. A few of the processes are using significantly more pkg memory than others. What I assume is happening is that memory
is leaking and will eventually start hitting OOM errors. See <a href="https://gist.github.com/phil-lavin/27f63b472ace53dc956125a47d210bc9">
https://gist.github.com/phil-lavin/27f63b472ace53dc956125a47d210bc9</a> for pkg memory stats output.</span><o:p></o:p></p>
<p class="MsoNormal"><span style="color:windowtext"> </span><o:p></o:p></p>
<p class="MsoNormal"><span style="color:windowtext">When was corex.pkg_summary added? I’m getting not found error:</span><o:p></o:p></p>
<p class="MsoNormal"><span style="color:windowtext"> </span><o:p></o:p></p>
<p class="MsoNormal">error: 500 - command corex.pkg_summary not found<o:p></o:p></p>
<p class="MsoNormal"><span style="color:windowtext"> </span><o:p></o:p></p>
<p class="MsoNormal"><span style="color:windowtext"> </span><o:p></o:p></p>
<div>
<div style="border:none;border-top:solid #E1E1E1 1.0pt;padding:3.0pt 0cm 0cm 0cm">
<p class="MsoNormal"><b><span lang="EN-US" style="color:windowtext;mso-fareast-language:EN-GB">From:</span></b><span lang="EN-US" style="color:windowtext;mso-fareast-language:EN-GB"> sr-users [<a href="mailto:sr-users-bounces@lists.sip-router.org">mailto:sr-users-bounces@lists.sip-router.org</a>]
<b>On Behalf Of </b>Phil Lavin<br>
<b>Sent:</b> 19 September 2016 14:36<br>
<b>To:</b> <a href="mailto:miconda@gmail.com">miconda@gmail.com</a>; Kamailio (SER) - Users Mailing List
<a href="mailto:sr-users@lists.sip-router.org"><sr-users@lists.sip-router.org></a><br>
<b>Subject:</b> Re: [SR-Users] OOM Errors</span><o:p></o:p></p>
</div>
</div>
<p class="MsoNormal"> <o:p></o:p></p>
<p class="MsoNormal"><span style="color:windowtext">Thanks, Daniel.</span><o:p></o:p></p>
<p class="MsoNormal"><span style="color:windowtext"> </span><o:p></o:p></p>
<p class="MsoNormal"><span style="color:windowtext">Kamailio has been restarted now so there’s not much of any use in the pkg memory output.</span><o:p></o:p></p>
<p class="MsoNormal"><span style="color:windowtext"> </span><o:p></o:p></p>
<p class="MsoNormal"><span style="color:windowtext">I’m going to add some monitoring/graphing on this and see if there’s an upward trend in usage.</span><o:p></o:p></p>
<p class="MsoNormal"><span style="color:windowtext"> </span><o:p></o:p></p>
<p class="MsoNormal"><span style="color:windowtext"> </span><o:p></o:p></p>
<div>
<div style="border:none;border-top:solid #E1E1E1 1.0pt;padding:3.0pt 0cm 0cm 0cm">
<p class="MsoNormal"><b><span lang="EN-US" style="color:windowtext;mso-fareast-language:EN-GB">From:</span></b><span lang="EN-US" style="color:windowtext;mso-fareast-language:EN-GB"> sr-users [<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> 19 September 2016 13:41<br>
<b>To:</b> Kamailio (SER) - Users Mailing List <<a href="mailto:sr-users@lists.sip-router.org">sr-users@lists.sip-router.org</a>><br>
<b>Subject:</b> Re: [SR-Users] OOM Errors</span><o:p></o:p></p>
</div>
</div>
<p class="MsoNormal"> <o:p></o:p></p>
<p>Hello,<o:p></o:p></p>
<p>it seems that the pkg is out of free space, not shm. You can check it with:<o:p></o:p></p>
<p>kamcmd pkg.stats<o:p></o:p></p>
<p>and look for the same pid that printed the log messages.<o:p></o:p></p>
<p>To troubleshoot, it is good to print the pkg summary, see:<o:p></o:p></p>
<p> - <a href="https://www.kamailio.org/docs/modules/stable/modules/corex.html#corex.rpc.pkg_summary">
https://www.kamailio.org/docs/modules/stable/modules/corex.html#corex.rpc.pkg_summary</a><o:p></o:p></p>
<p>Then get the log messages from syslog printed by the command and send them over here.<o:p></o:p></p>
<p>Cheers,<br>
Daniel<o:p></o:p></p>
<p class="MsoNormal"> <o:p></o:p></p>
<div>
<p class="MsoNormal">On 19/09/16 14:02, Phil Lavin wrote:<o:p></o:p></p>
</div>
<blockquote style="margin-top:5.0pt;margin-bottom:5.0pt">
<p class="MsoNormal">Hi all,<o:p></o:p></p>
<p class="MsoNormal"> <o:p></o:p></p>
<p class="MsoNormal">Kamailio stopped performing some functions earlier today, citing OOM errors. An excerpt from the log is below.<o:p></o:p></p>
<p class="MsoNormal"> <o:p></o:p></p>
<p class="MsoNormal">SHM usage, at the time, looked fine. Also see below for that output.<o:p></o:p></p>
<p class="MsoNormal"> <o:p></o:p></p>
<p class="MsoNormal">A restart of Kamailio resolved the issue. Is this SHM related or OS memory manager related?<o:p></o:p></p>
<p class="MsoNormal"> <o:p></o:p></p>
<p class="MsoNormal"><span style="font-family:"Courier New",serif">root@ua-proxy-01:~# kamctl stats shmem</span><o:p></o:p></p>
<p class="MsoNormal"><span style="font-family:"Courier New",serif">shmem:fragments = 910</span><o:p></o:p></p>
<p class="MsoNormal"><span style="font-family:"Courier New",serif">shmem:free_size = 104131224</span><o:p></o:p></p>
<p class="MsoNormal"><span style="font-family:"Courier New",serif">shmem:max_used_size = 51590800</span><o:p></o:p></p>
<p class="MsoNormal"><span style="font-family:"Courier New",serif">shmem:real_used_size = 30086504</span><o:p></o:p></p>
<p class="MsoNormal"><span style="font-family:"Courier New",serif">shmem:total_size = 134217728</span><o:p></o:p></p>
<p class="MsoNormal"><span style="font-family:"Courier New",serif">shmem:used_size = 19558800</span><o:p></o:p></p>
<p class="MsoNormal"><span style="font-family:"Courier New",serif"> </span><o:p></o:p></p>
<p class="MsoNormal"><span style="font-family:"Courier New",serif">Sep 19 11:35:56 ua-proxy-01 /sbin/kamailio[20218]: ERROR: <core> [data_lump.c:161]: insert_new_lump_before(): out of memory</span><o:p></o:p></p>
<p class="MsoNormal"><span style="font-family:"Courier New",serif">Sep 19 11:40:10 ua-proxy-01 /sbin/kamailio[20218]: ERROR: <core> [msg_translator.c:2390]: build_res_buf_from_sip_req(): out of memory; needs 423</span><o:p></o:p></p>
<p class="MsoNormal"><span style="font-family:"Courier New",serif">Sep 19 11:40:16 ua-proxy-01 /sbin/kamailio[20218]: ERROR: <core> [msg_translator.c:2390]: build_res_buf_from_sip_req(): out of memory; needs 453</span><o:p></o:p></p>
<p class="MsoNormal"><span style="font-family:"Courier New",serif">Sep 19 11:42:46 ua-proxy-01 /sbin/kamailio[20218]: ERROR: <core> [data_lump.c:136]: insert_new_lump_after(): out of memory</span><o:p></o:p></p>
<p class="MsoNormal"><span style="font-family:"Courier New",serif">Sep 19 11:42:46 ua-proxy-01 /sbin/kamailio[20218]: ERROR: <core> [ut.c:163]: as_asciiz(): Out of memory</span><o:p></o:p></p>
<p class="MsoNormal"><span style="font-family:"Courier New",serif">Sep 19 11:42:57 ua-proxy-01 /sbin/kamailio[20218]: ERROR: <core> [ut.c:163]: as_asciiz(): Out of memory</span><o:p></o:p></p>
<p class="MsoNormal"><span style="font-family:"Courier New",serif">Sep 19 11:43:12 ua-proxy-01 /sbin/kamailio[20218]: ERROR: <core> [data_lump.c:361]: anchor_lump(): out of memory</span><o:p></o:p></p>
<p class="MsoNormal"><span style="font-family:"Courier New",serif">Sep 19 11:43:12 ua-proxy-01 /sbin/kamailio[20218]: ERROR: <core> [data_lump.c:361]: anchor_lump(): out of memory</span><o:p></o:p></p>
<p class="MsoNormal"><span style="font-family:"Courier New",serif">Sep 19 11:43:12 ua-proxy-01 /sbin/kamailio[20218]: ERROR: <core> [data_lump.c:306]: del_lump(): out of memory</span><o:p></o:p></p>
<p class="MsoNormal"><span style="font-family:"Courier New",serif">Sep 19 11:43:12 ua-proxy-01 /sbin/kamailio[20218]: ERROR: <core> [data_lump.c:306]: del_lump(): out of memory</span><o:p></o:p></p>
<p class="MsoNormal"><span style="font-family:"Courier New",serif">Sep 19 11:43:12 ua-proxy-01 /sbin/kamailio[20218]: ERROR: <core> [msg_translator.c:326]: received_builder(): out of memory</span><o:p></o:p></p>
<p class="MsoNormal"><span style="font-family:"Courier New",serif">Sep 19 11:43:12 ua-proxy-01 /sbin/kamailio[20218]: ERROR: <core> [msg_translator.c:326]: received_builder(): out of memory</span><o:p></o:p></p>
<p class="MsoNormal"><span style="font-family:"Courier New",serif">Sep 19 11:43:12 ua-proxy-01 /sbin/kamailio[20218]: ERROR: <core> [msg_translator.c:326]: received_builder(): out of memory</span><o:p></o:p></p>
<p class="MsoNormal"><span style="font-family:"Courier New",serif">Sep 19 11:43:16 ua-proxy-01 /sbin/kamailio[20218]: ERROR: <core> [data_lump.c:136]: insert_new_lump_after(): out of memory</span><o:p></o:p></p>
<p class="MsoNormal"><span style="font-family:"Courier New",serif">Sep 19 11:43:16 ua-proxy-01 /sbin/kamailio[20218]: ERROR: <core> [ut.c:163]: as_asciiz(): Out of memory</span><o:p></o:p></p>
<p class="MsoNormal"><span style="font-family:"Courier New",serif">Sep 19 11:44:18 ua-proxy-01 /sbin/kamailio[20218]: ERROR: <core> [data_lump.c:161]: insert_new_lump_before(): out of memory</span><o:p></o:p></p>
<p class="MsoNormal"><span style="font-family:"Courier New",serif">Sep 19 11:45:07 ua-proxy-01 /sbin/kamailio[20218]: ERROR: <core> [ut.c:163]: as_asciiz(): Out of memory</span><o:p></o:p></p>
<p class="MsoNormal"><span style="font-family:"Courier New",serif">Sep 19 11:45:30 ua-proxy-01 /sbin/kamailio[20218]: ERROR: acc [acc_extra.c:267]: extra2strar(): extra2strar: out of memory.</span><o:p></o:p></p>
<p class="MsoNormal"><span style="font-family:"Courier New",serif">Sep 19 11:45:43 ua-proxy-01 /sbin/kamailio[20218]: ERROR: <core> [data_lump.c:186]: insert_subst_lump_after(): out of memory</span><o:p></o:p></p>
<p class="MsoNormal"><span style="font-family:"Courier New",serif">Sep 19 11:45:52 ua-proxy-01 /sbin/kamailio[20218]: ERROR: <core> [data_lump.c:161]: insert_new_lump_before(): out of memory</span><o:p></o:p></p>
<p class="MsoNormal"><span style="font-family:"Courier New",serif"> </span><o:p></o:p></p>
<p class="MsoNormal" style="margin-bottom:12.0pt"><span style="font-size:12.0pt"><br>
<br>
<br>
</span><o:p></o:p></p>
<pre>_______________________________________________<o:p></o:p></pre>
<pre>SIP Express Router (SER) and Kamailio (OpenSER) - sr-users mailing list<o:p></o:p></pre>
<pre><a href="mailto:sr-users@lists.sip-router.org">sr-users@lists.sip-router.org</a><o:p></o:p></pre>
<pre><a href="http://lists.sip-router.org/cgi-bin/mailman/listinfo/sr-users">http://lists.sip-router.org/cgi-bin/mailman/listinfo/sr-users</a><o:p></o:p></pre>
</blockquote>
<p class="MsoNormal" style="margin-bottom:12.0pt"><span style="font-size:12.0pt"> </span><o:p></o:p></p>
<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>Kamailio Advanced Training, Berlin, Oct 24-26, 2016 - <a href="http://www.asipto.com">http://www.asipto.com</a><o:p></o:p></pre>
</blockquote>
<p class="MsoNormal" style="margin-bottom:12.0pt"><span style="font-size:12.0pt"> </span><o:p></o:p></p>
<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>Kamailio Advanced Training, Berlin, Oct 24-26, 2016 - <a href="http://www.asipto.com">http://www.asipto.com</a><o:p></o:p></pre>
</blockquote>
<p class="MsoNormal"><span style="font-size:12.0pt;font-family:"Times New Roman",serif;mso-fareast-language:EN-GB"><br>
<br>
<o:p></o:p></span></p>
<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>Kamailio Advanced Training, Berlin, Oct 24-26, 2016 - <a href="http://www.asipto.com">http://www.asipto.com</a><o:p></o:p></pre>
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