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

[Jurijs Ivolga]

Hi Daniel,

You are correct we are using heavily http_query.

I found following bug report:

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> 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> 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 Mierlahttp://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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