[SR-Users] Out of memory in UB 210: OOM killed process 12261 (kamailio) score 0 vm:1614768kB, rss:280200kB, swap:131408kB

Daniel-Constantin Mierla miconda at gmail.com
Wed Oct 12 15:30:23 CEST 2016


Hello,

ok, so that was...

Maybe it would be good to add a note to the docs of the module about
this issue so people become aware of it. I guess the other http_*
modules are affected. Pull requests or other suggestions are welcome, of
course!

Cheers,
Daniel


On 12/10/16 15:04, Jurijs Ivolga wrote:
> Hi Daniel,
>
> Thank you a lot, it looks that issue is solved, after updating libcurl.
>
> I was using following manual for updating libcurl, in case if somebody
> will have same issue.
>
> https://www.digitalocean.com/community/questions/how-to-upgrade-curl-in-centos6
>
> With kind regards,
>
> Jurijs
>
> On Tue, Oct 11, 2016 at 2:43 PM, Jurijs Ivolga
> <jurijs.ivolga at gmail.com <mailto:jurijs.ivolga at gmail.com>> wrote:
>
>     Hi Daniel,
>
>     You are correct we are using heavily http_query.
>
>     I found following bug report:
>
>     https://bugs.centos.org/view.php?id=9391
>     <https://bugs.centos.org/view.php?id=9391>
>
>     I will try to update to libcurl 7.44 and check if this help.
>
>     Thank you a lot Daniel!
>
>     With kind regards,
>
>     Jurijs
>
>     On Tue, Oct 11, 2016 at 10:55 AM, Daniel-Constantin Mierla
>     <miconda at gmail.com <mailto:miconda at gmail.com>> wrote:
>
>         Hello,
>
>         from the logs, it seems to be related to curl library, I see
>         many reports like:
>
>         ==16459== 189,318 bytes in 167 blocks are possibly lost in
>         loss record 681 of 683
>         ==16459==    at 0x4C26FEF: calloc (vg_replace_malloc.c:711)
>         ==16459==    by 0x104BB699: ??? (in /usr/lib64/libnsspem.so)
>         ==16459==    by 0x104AA537: ??? (in /usr/lib64/libnsspem.so)
>         ==16459==    by 0x104AB81E: ??? (in /usr/lib64/libnsspem.so)
>         ==16459==    by 0x104B0B88: ??? (in /usr/lib64/libnsspem.so)
>         ==16459==    by 0x104B77E1: ??? (in /usr/lib64/libnsspem.so)
>         ==16459==    by 0xB71ABC9: ??? (in /usr/lib64/libnss3.so)
>         ==16459==    by 0xB71AE62: PK11_CreateGenericObject (in
>         /usr/lib64/libnss3.so)
>         ==16459==    by 0xA0674DF: ??? (in /usr/lib64/libcurl.so.4.1.1)
>         ==16459==    by 0xA067666: ??? (in /usr/lib64/libcurl.so.4.1.1)
>         ==16459==    by 0xA069141: ??? (in /usr/lib64/libcurl.so.4.1.1)
>         ==16459==    by 0xA0601C4: Curl_ssl_connect (in
>         /usr/lib64/libcurl.so.4.1.1)
>
>         That's like almost 200KB lost in this report.
>
>         From the list of the modules, I see you have utils and I guess
>         you use http query function from there, is it?
>
>         Cheers,
>         Daniel
>
>
>         On 10/10/16 12:06, Jurijs Ivolga wrote:
>>         Hi Daniel,
>>
>>         I left valgrind running for little while, not sure if this
>>         will be enough.
>>
>>         Please find attached log file.
>>
>>         Thank you a lot for your help!
>>
>>         With kind regards,
>>
>>         Jurijs
>>
>>         On Fri, Oct 7, 2016 at 7:15 PM, Daniel-Constantin Mierla
>>         <miconda at gmail.com <mailto:miconda at gmail.com>> wrote:
>>
>>             Hello,
>>
>>             that's the way it was done for older versions of kamailio.
>>
>>             In master and 4.4 the memory debugging is turned on and
>>             it is reflected by the presence of DBG_SR_MEMORY in the
>>             output of 'kamailio -v'.
>>
>>             Anyhow, what you reported is not a leak inside kamailio
>>             memory manager, but a leak of using system memory, so it
>>             is not affected by DBG_SR_MEMORY and cannot be
>>             troubleshooted using the mechanisms for pkg and shm managers.
>>
>>             Cheers,
>>             Daniel
>>
>>
>
>         -- 
>         Daniel-Constantin Mierla
>         http://twitter.com/#!/miconda <http://twitter.com/#%21/miconda> - http://www.linkedin.com/in/miconda
>         <http://www.linkedin.com/in/miconda>
>         Kamailio Advanced Training, Berlin, Oct 24-26, 2016 - http://www.asipto.com
>
-- 
Daniel-Constantin Mierla
http://twitter.com/#!/miconda - http://www.linkedin.com/in/miconda
Kamailio Advanced Training, Berlin, Oct 24-26, 2016 - http://www.asipto.com
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