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

[Klaus Darilion]

Bogdan-Andrei Iancu schrieb:
> Hi Henning,
> 
> Thanks for the hint.
> 
> So, your openser processes should use as private memory:
>     (8/*udp*/ + 1/*timer*/ + 1/*attendant*/ + 1/*fifo*/) * 1 = 11M
> 
> So, overall, all openser processes will use 11 + 128 = 139M plus memory 
> requested directly from the OS.
> 
> looking at your numbers:
> 
> <quote>
> 
> # ps -C openser -o vsz,rss
>   VSZ  RSS
> 234124 12636
> 369940 159392
> 369940 158840
> 369940 158860
> 370340 159220
> 369804 158696
> 370068 158932
> 370204 159048
> 370464 159344
> 234124 20904
> 234124 9484
> 234128 7952
> 234124 7948
> 234124 7880
> 234124 7880
> 234124 7880
> 234124 7880
> 234124 7880
> 234124 7880
> 234124 7880
> 234124 8332
> 
> </quote>
> 
> it is clearly that you have 8 workers (2 - 9) - the rest of the 
> processes have a similar VSZ and RSS, so no more mem is required form 
> the system.
> 
> For the workers, I guess there are some script function (from some 
> modules) that are directly requesting memory (and not via openser mem 
> manager). Looking at your list:
> 
> <quote>
> 
> loadmodule "mysql.so"
> loadmodule "sl.so"
> loadmodule "tm.so"
> loadmodule "usrloc.so"
> loadmodule "auth.so"
> loadmodule "auth_db.so"
> loadmodule "maxfwd.so"
> loadmodule "mi_fifo.so"
> loadmodule "nathelper.so"
> loadmodule "perl.so"
> loadmodule "registrar.so"
> loadmodule "rr.so"
> loadmodule "textops.so"
> loadmodule "uri.so"
> 
> </quote>
> 
> there are none of the modules that use libxml2 or expat, but I see you 
> are using perl - there were some past problems with mem leaks due this 
> module, so you may try to take out the module and see if the leak is 
> still present.


what about mysql? It uses the mysql library which probably will use OS 
memory allocator and not openser's memory allocator.

regards
klaus