[OpenSER-Devel] Memory dump for OpenSER 1.3.1 which slowly leaks memory

[Julian Yap]

Thanks for the clarification and your suggestion.

On Thu, May 8, 2008 at 1:02 AM, Daniel-Constantin Mierla
<miconda at gmail.com> wrote:
> Hello,
>
>
>  On 05/06/08 13:19, Julian Yap wrote:
>
> > On Mon, May 5, 2008 at 10:25 PM, Henning Westerholt
> > <henning.westerholt at 1und1.de> wrote:
> >
> >
> > > On Saturday 03 May 2008, Julian Yap wrote:
> > >  > I'm currently running OpenSER 1.3.1.
> > >  >
> > >  > It seems to slowly leaks memory.
> > >  >
> > >  > I've recompiled it as per for debug support in the memory manager:
> > >  > http://www.openser.org/dokuwiki/doku.php/troubleshooting:memory
> > >  >
> > >  > Here is the memory manager dump of the memory status:
> > >  > http://julianyap.com/download/openser1.3.1_memory_dump20080502.txt
> > >  >
> > >  > Any suggestions would be very welcome.
> > >
> > >  Hi Julian,
> > >
> > >  can you give a little more details about your problem? Why do you think
> it
> > >  leaks memory? Do you get memory allocation errors in the logs?
> > >
> > >  Cheers,
> > >
> > >  Henning
> > >
> > >
> >
> > Henning,
> >
> > I don't get any memory allocation errors.
> >
> > I've recently updated to OpenSER 1.3 branch SVN r4107 but the 'leak'
> > still remains.
> >
> > On a 4GB box, free memory just seems to deplete.
> >
> >
>
>  openser allocates at start up the big chunk of memory it is going to use
> (by default 1MB for private use of each process and 32MB for shared memory).
> Its code should not eat more from the system memory at runtime. See here a
> picture that may help to understand.
>  http://www.asipto.com/pub/openser-devel-guide/#c04memory
>
>  The leak is in the system memory, so it is related to a library/application
> used by openser. As you seem to run perl, that might be the source, I don't
> know actually how it handles memory allocation in its applications. Double
> check your Perl scripts that you run within openser and see if there is
> something that can eat memory. openser in memory debug mode does not help
> you here.
>
>  Cheers,
>  Daniel
>
>
>
> >
> >
> >
> > I have a cron job which restarts OpenSER every night but it seems like
> > not all the memory is free'd up.  Eventually the box needs to be
> > rebooted.  In the past, running out of memory has led to oom-killer
> > killing OpenSER.
> >
> > For example, I have this cron job:
> > */5 * * * * root echo "`date` `free | grep 'buffers/cache'`" >>
> > /var/log/free_memory.log
> >
> > Memory just depletes.  Here's where OpenSER was restarted around midnight:
> > Sun May  4 23:10:01 HST 2008 -/+ buffers/cache:    2014972    2095204
> > Sun May  4 23:15:01 HST 2008 -/+ buffers/cache:    2027184    2082992
> > Sun May  4 23:20:01 HST 2008 -/+ buffers/cache:    2027604    2082572
> > Sun May  4 23:25:01 HST 2008 -/+ buffers/cache:    2038064    2072112
> > Sun May  4 23:30:01 HST 2008 -/+ buffers/cache:    2037868    2072308
> > Sun May  4 23:35:01 HST 2008 -/+ buffers/cache:    2053184    2056992
> > Sun May  4 23:40:01 HST 2008 -/+ buffers/cache:    2055216    2054960
> > Sun May  4 23:45:01 HST 2008 -/+ buffers/cache:    2075612    2034564
> > Sun May  4 23:50:01 HST 2008 -/+ buffers/cache:    2103232    2006944
> > Sun May  4 23:55:01 HST 2008 -/+ buffers/cache:    2114384    1995792
> > Mon May  5 00:00:01 HST 2008 -/+ buffers/cache:    2117320    1992856
> > Mon May  5 00:05:01 HST 2008 -/+ buffers/cache:     860304    3249872
> > Mon May  5 00:10:01 HST 2008 -/+ buffers/cache:     861208    3248968
> > Mon May  5 00:15:01 HST 2008 -/+ buffers/cache:     868968    3241208
> >
> > Here's where I just restarted OpenSER:
> > Mon May  5 23:30:01 HST 2008 -/+ buffers/cache:    2041740    2068436
> > Mon May  5 23:35:01 HST 2008 -/+ buffers/cache:    2049572    2060604
> > Mon May  5 23:40:01 HST 2008 -/+ buffers/cache:    2054856    2055320
> > Mon May  5 23:45:01 HST 2008 -/+ buffers/cache:    2065316    2044860
> > Mon May  5 23:50:01 HST 2008 -/+ buffers/cache:    2062248    2047928
> > Mon May  5 23:55:01 HST 2008 -/+ buffers/cache:    2076148    2034028
> > Tue May  6 00:00:01 HST 2008 -/+ buffers/cache:    2087256    2022920
> > Tue May  6 00:05:01 HST 2008 -/+ buffers/cache:    2091300    2018876
> > Tue May  6 00:10:01 HST 2008 -/+ buffers/cache:    2093244    2016932
> > Tue May  6 00:15:01 HST 2008 -/+ buffers/cache:    1382632    2727544
> >
> > Thanks,
> > Julian
> >
> >
> > _______________________________________________
> > Devel mailing list
> > Devel at lists.openser.org
> > http://lists.openser.org/cgi-bin/mailman/listinfo/devel
> >
> >
> >
>
>  --
>  http://www.asipto.com
>
>