[SR-Users] Fwd: pv_buffer_size config value actually ignored?

[Enrico Bandiera]

Hi, could it be caused by this?

https://github.com/kamailio/kamailio/blob/master/src/modules/xlog/xlog.c#L65

I tried to increment it, recompiled kamailio and the error doesn't show up
anymore

Thanks,
Enrico



Il giorno mer 13 feb 2019 alle ore 17:29 Enrico Bandiera <
enrico.bandiera at cloud.timenet.it> ha scritto:

> Hello Daniel, here are the logs:
>
> 29(46) ERROR: <core> [core/pvapi.c:1457]: pv_printf(): no more space for
> spec value - printed:7 token:5131 buffer:4096
> 29(46) ERROR: <core> [core/pvapi.c:1467]: pv_printf(): buffer overflow --
> increase the buffer size...
> 29(46) ERROR: <core> [core/pvapi.c:1457]: pv_printf(): no more space for
> spec value - printed:7 token:5129 buffer:4096
> 29(46) ERROR: <core> [core/pvapi.c:1467]: pv_printf(): buffer overflow --
> increase the buffer size...
>
> Thanks,
> Enrico
>
>
> Il giorno mer 13 feb 2019 alle ore 09:45 Daniel-Constantin Mierla <
> miconda at gmail.com> ha scritto:
>
>> Hello,
>>
>> I pushed a patch to print more details about printed size, current token
>> size and overall output buffer size in those error log messages -- the
>> commit:
>>
>>   *
>> https://github.com/kamailio/kamailio/commit/44e48809a608d4de46d61198137cd669c6a4763f
>>
>> Can you try with this patch and send again here on mailing list the error
>> log messages?
>>
>> Cheers,
>> Daniel
>> On 13.02.19 09:20, Enrico Bandiera wrote:
>>
>>
>>
>> ---------- Forwarded message ---------
>> From: Enrico Bandiera <enrico.bandiera at cloud.timenet.it>
>> Date: mer 13 feb 2019 alle ore 09:18
>> Subject: Re: [SR-Users] pv_buffer_size config value actually ignored?
>> To: Daniel-Constantin Mierla <miconda at gmail.com>
>>
>>
>> Hello Daniel, yes we do use that $avp for a log line which is actually a
>> big json, the $avp is composed by multiple jansson_append calls and at the
>> end an xlog() calls prints it
>> Could it also be that I'm miscalculating because of the encoding? 4K utf8
>> characters could be more than 4K (but I don't think there are so many
>> multibytes characters to let it reach the 8K limit)
>>
>> Il giorno mer 13 feb 2019 alle ore 09:15 Daniel-Constantin Mierla <
>> miconda at gmail.com> ha scritto:
>>
>>> Hello,
>>>
>>> where do you use that avp, because for the avp value itself, that buffer
>>> is not used -- avp values are stored in shared memory.
>>>
>>> Do you use that avp in xlog() or other functions parameters?
>>>
>>> Cheers,
>>> Daniel
>>> On 13.02.19 09:10, Enrico Bandiera wrote:
>>>
>>> Hi, I'm having some strange issues with a somewhat big $avp value, when
>>> it reaches a size of about 4K I get this error:
>>>
>>> 29(47) ERROR: <core> [core/pvapi.c:1452]: pv_printf(): no more space for
>>> spec value
>>> 29(47) ERROR: <core> [core/pvapi.c:1461]: pv_printf(): buffer overflow –
>>> increase the buffer size...
>>>
>>> In the docs I read that the default pv_buffer_size is 8K, I still tried
>>> to enforce it to something bigger and checked the logs to be sure it was
>>> set:
>>>
>>> 0(384) DEBUG: <core> [core/pvapi.c:2062]: pv_init_buffer(): PV print
>>> buffer initialized to [40][16384]
>>>
>>> But still when reaching the 4K size inside the $avp that error comes
>>> out, is there any limit I'm not aware of?
>>>
>>> Thanks,
>>> Enrico.
>>>
>>> _______________________________________________
>>> Kamailio (SER) - Users Mailing Listsr-users at lists.kamailio.orghttps://lists.kamailio.org/cgi-bin/mailman/listinfo/sr-users
>>>
>>> --
>>> Daniel-Constantin Mierla -- www.asipto.comwww.twitter.com/miconda -- www.linkedin.com/in/miconda
>>> Kamailio World Conference - May 6-8, 2019 -- www.kamailioworld.com
>>> Kamailio Advanced Training - Mar 4-6, 2019 in Berlin; Mar 25-27, 2019, in Washington, DC, USA -- www.asipto.com
>>>
>>>
>> _______________________________________________
>> Kamailio (SER) - Users Mailing Listsr-users at lists.kamailio.orghttps://lists.kamailio.org/cgi-bin/mailman/listinfo/sr-users
>>
>> --
>> Daniel-Constantin Mierla -- www.asipto.comwww.twitter.com/miconda -- www.linkedin.com/in/miconda
>> Kamailio World Conference - May 6-8, 2019 -- www.kamailioworld.com
>> Kamailio Advanced Training - Mar 4-6, 2019 in Berlin; Mar 25-27, 2019, in Washington, DC, USA -- www.asipto.com
>>
>>
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