[syslog-ng] Do stats cause memory leak

[Czanik, Péter]

Hi,

On Mon, Jun 5, 2017 at 7:33 PM, Scheidler, Balázs <
balazs.scheidler at balabit.com> wrote:

> I'll check if that dependency can be removed.
>

That would be great! Until now at least the core syslog-ng compiled on
older platforms. So, even if many of the dependencies for some of the news
features were not available, at least the core could be kept up-to-date.

Bye,

Peter Czanik (CzP) <peter.czanik at balabit.com>
Balabit / syslog-ng upstream
https://www.balabit.com/blog/author/peterczanik/
https://twitter.com/PCzanik





>
>
> On Jun 4, 2017 9:04 AM, "Czanik, Péter" <peter.czanik at balabit.com> wrote:
>
> SLES 11 is also affected: https://github.com/balabit/sys
> log-ng/issues/1403#issuecomment-290195851
>
> Both SLES 11 and RHEL 6 are ancient but still used at many places.
> Actually about a year ago both still had more installations than SLES 12 or
> RHEL 7.
>
> Bye,
>
> Peter Czanik (CzP) <peter.czanik at balabit.com>
> Balabit / syslog-ng upstream
> https://www.balabit.com/blog/author/peterczanik/
> https://twitter.com/PCzanik
>
> On Sun, Jun 4, 2017 at 1:07 AM, Evan Rempel <erempel at uvic.ca> wrote:
>
>> So it looks like the latest git head no longer compiles on Redhat 6. It
>> is using g_atomic_pointer_and which requires glib2 2.30+ and Redhat 6 only
>> has glib2 2.28
>>
>> Looks like I will not be able to test this :-( nor get this issue fixed
>> in our infrastructure.
>>
>> Evan.
>>
>>
>> On 06/03/2017 02:08 PM, Scheidler, Balázs wrote:
>>
>> My guess that it is related to #1517 instead, albeit stats counters were
>> worked on recently. If #1517 does not fix this, please report it again.
>>
>>
>> --
>> Bazsi
>>
>> On Wed, May 31, 2017 at 9:02 AM, Fekete, Róbert <
>> robert.fekete at balabit.com> wrote:
>>
>>> There is also this issue that might be related (don't know if it is
>>> solved by the above PR or not): https://github.com/balab
>>> it/syslog-ng/issues/1494
>>>
>>> On Wed, May 31, 2017 at 8:28 AM, Czanik, Péter <peter.czanik at balabit.com
>>> > wrote:
>>>
>>>> Hi,
>>>>
>>>> https://github.com/balabit/syslog-ng/pull/1505 seems to address memory
>>>> problems. If you use my git head packages, I can add this patch for you and
>>>> see if it resolves your problems.
>>>>
>>>> Bye,
>>>>
>>>> Peter Czanik (CzP) <peter.czanik at balabit.com>
>>>> Balabit / syslog-ng upstream
>>>> https://www.balabit.com/blog/author/peterczanik/
>>>> https://twitter.com/PCzanik
>>>>
>>>> On Wed, May 31, 2017 at 4:28 AM, Evan Rempel <erempel at uvic.ca> wrote:
>>>>
>>>>> We are running git head download post 3.9.1 and the memory footprint
>>>>> seems to continually grow.
>>>>>
>>>>> Looking at the statistics for queued messages I found none, but
>>>>> discovered that we have nearly 22,000
>>>>> statistic sets for a total of 68195 tracked statistics.
>>>>> % /usr/local/sbin/syslog-ng-ctl stats | wc -l
>>>>> 68195
>>>>>
>>>>> It it possible that all of these statistics take up a non-trivial
>>>>> amount of RAM?
>>>>>
>>>>> USER       PID %CPU %MEM    VSZ   RSS TTY      STAT START   TIME
>>>>> COMMAND
>>>>> root      1489 79.2 61.5 12134140 <%281%29%20213%204140> 10139760
>>>>> <%281%29%20013%209760> ?   Ssl  Apr24 41581:22
>>>>> /usr/local/sbin/syslog-ng
>>>>>
>>>>> That is a 12GB footprint after 1 month of uptime.
>>>>>
>>>>> Evan.
>>>>
>>>>
>>
>> ____________________________________________________________
>> __________________
>> Member info: https://lists.balabit.hu/mailman/listinfo/syslog-ng
>> Documentation: http://www.balabit.com/support
>> /documentation/?product=syslog-ng
>> FAQ: http://www.balabit.com/wiki/syslog-ng-faq
>>
>>
>>
>
> ____________________________________________________________
> __________________
> Member info: https://lists.balabit.hu/mailman/listinfo/syslog-ng
> Documentation: http://www.balabit.com/support/documentation/?product=
> syslog-ng
> FAQ: http://www.balabit.com/wiki/syslog-ng-faq
>
>
>
>
> ____________________________________________________________
> __________________
> Member info: https://lists.balabit.hu/mailman/listinfo/syslog-ng
> Documentation: http://www.balabit.com/support/documentation/?
> product=syslog-ng
> FAQ: http://www.balabit.com/wiki/syslog-ng-faq
>
>
>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.balabit.hu/pipermail/syslog-ng/attachments/20170606/9670df6e/attachment-0001.html>