[Users] Help on probably memory leak

Marcello Lupo mlist at itspecialist.it
Sun Jun 10 13:03:23 CEST 2007


Hi to all,
the problem of memory leak happened again yesterday evening after one 
day and half.
I think the problem is related to the wrong REGISTER message i talked 
about in my previous message.
I got now the memory allocation debug for each process.
 From what i can understand there is some problem in the pkg memory been 
exausted.

I put the logs at this link.

http://82.193.22.211/memory_allocation_log.tar.bz2 (938945 bytes)

Inside the archive you can found:

1229152 2007-06-10 11:57 process_27550_log.txt
1492973 2007-06-10 11:57 process_27560_log.txt
1169865 2007-06-10 11:57 process_27561_log.txt
1494209 2007-06-10 11:58 process_27564_log.txt
1488361 2007-06-10 11:58 process_27566_log.txt
1488745 2007-06-10 11:59 process_27568_log.txt
1499227 2007-06-10 11:59 process_27570_log.txt
1175089 2007-06-10 12:00 process_27571_log.txt
1175089 2007-06-10 12:00 process_27573_log.txt
1175089 2007-06-10 12:01 process_27575_log.txt
1175089 2007-06-10 12:01 process_27577_log.txt
1175089 2007-06-10 12:02 process_27579_log.txt
1173214 2007-06-10 12:02 process_27581_log.txt
1175450 2007-06-10 12:02 process_27583_log.txt
1175450 2007-06-10 12:03 process_27586_log.txt
1175450 2007-06-10 12:03 process_27587_log.txt
1175450 2007-06-10 12:04 process_27589_log.txt
1175450 2007-06-10 12:04 process_27591_log.txt
1170081 2007-06-10 12:04 process_27593_log.txt

Each file contain the memory allocation log of the named process on the 
restart of the proxy.

I used some grep on the process 27560  log and found that on 4165 
occurrence of the alloc term the most are used from:

# grep alloc process_27560_log.txt |wc
  4165   37485  476890
# grep alloc process_27560_log.txt |grep route_struct |wc
   1193   10737  139052
# grep alloc process_27560_log.txt |grep cfg.lex |wc
    915    8235   98820
# grep alloc process_27560_log.txt |grep route.c|wc
    896    8064  100334
# grep alloc process_27560_log.txt |grep items.c|wc
    651    5859   76818
# grep alloc process_27560_log.txt |grep avpops_parse|wc
    245    2205   30923

All the rest have very few utilizations.
As i explained before i'm not a coder so if someone can help me it will 
very helpfull.
Thanks,
Bye,
Marcello

Marcello Lupo wrote:
> Hi to all,
> i made some other investigation on my logs.
> I found that from one day before the problem of out of memory has been
> raised in my logs i found this wrong registrations started to come to
> the proxy every 15 seconds from one client.
>
> REGISTER sip:voip.domain.com:5060 SIP/2.0
> Via: SIP/2.0/UDP 
> 123.123.123.123:1375;branch=z9hG4bK00E0F55649500000BF2F00001098
> From: <sip:voip.domain.com>;tag=00E0F55649500000BF2F00001AB7
> To: <sip:voip.domain.com>
> Call-ID: 00E0F55649500000AE6C00000408 at 123.123.123.123
> CSeq: 59185 REGISTER
> Contact: <sip:123.123.123.123:5060>
> Expires: 3600
> Max-Forwards: 70
> Content-Length:     0
>
> In my configuration as route that handle REGISTER requests i made an 
> avp_db_load to check if the username registering
> is a valid user and make some avp_check on the preferences that are 
> loaded.
>
> Is it possible that having the empty username in From/To is causing 
> some memory leak?
> Remember i'm using version 1.2.0 .
> Thanks,
> Bye,
> Marcello
>
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>





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