[OpenSIPS-Users] Setting opensips for maximum performance
Bogdan-Andrei Iancu
bogdan at voice-system.ro
Mon Feb 22 14:49:10 CET 2010
Jan,
First of all, be sure you are running the latest 1.6 version - there
were some mem leaks fixed - just to be sure you are not facing some old
issues.
Now, about the memory shortage, see
http://www.opensips.org/Resources/DocsTsMem
Regards,
Bogdan
Jan Rozhon wrote:
> Already did -
>
> Feb 21 03:36:31 chieftec /usr/sbin/opensips[3429]:
> ERROR:registrar:update_contacts: failed to insert contact
> Feb 21 03:36:31 chieftec /usr/sbin/opensips[3419]:
> ERROR:registrar:update_contacts: failed to insert contact
> Feb 21 03:36:31 chieftec /usr/sbin/opensips[3425]:
> ERROR:usrloc:new_ucontact: no more shm memory
> Feb 21 03:36:31 chieftec /usr/sbin/opensips[3405]:
> ERROR:usrloc:new_ucontact: no more shm memory
> Feb 21 03:36:31 chieftec /usr/sbin/opensips[3425]:
> ERROR:usrloc:mem_insert_ucontact: failed to create new contact
> Feb 21 03:36:31 chieftec /usr/sbin/opensips[3410]:
> ERROR:usrloc:mem_insert_ucontact: failed to create new contact
> Feb 21 03:36:31 chieftec /usr/sbin/opensips[3409]:
> ERROR:usrloc:mem_insert_urecord: creating urecord failed
> Feb 21 03:36:31 chieftec /usr/sbin/opensips[3403]:
> ERROR:usrloc:insert_urecord: inserting record failed
> Feb 21 03:36:31 chieftec /usr/sbin/opensips[3402]:
> ERROR:usrloc:mem_insert_urecord: creating urecord failed
> Feb 21 03:36:31 chieftec /usr/sbin/opensips[3417]:
> ERROR:registrar:insert_contacts: failed to insert new record structure
> Feb 21 03:36:31 chieftec /usr/sbin/opensips[3421]:
> ERROR:usrloc:mem_insert_urecord: creating urecord failed
> Feb 21 03:36:31 chieftec /usr/sbin/opensips[3401]:
> ERROR:usrloc:new_urecord: no more share memory
>
> These errors keep occuring - however increasing the shared memory (from
> 2048 to 3072) didnt change the performance (same percentage of failed calls)
>
>
> Dne 22.2.2010 10:05, Bogdan-Andrei Iancu napsal(a):
>
>> If you received a 500 reply from opensips, you may check opensips logs
>> for errors - maybe opensips is running out of memory or some other
>> internal error.
>>
>> Regards,
>> Bogdan
>>
>> Jan Rozhon wrote:
>>
>>
>>> Hi Bogdan,
>>>
>>> I also thought, that the problem may be in SIPp, however most error I
>>> get in SIPp are 500 Server Error Occured, so It directed me to
>>> Opensips, moreover I tried to increase the load on a single VM and the
>>> problems didnt occure until I reached 100% CPU utilization on SIPp VM.
>>>
>>> Disabling the authentication is not an option for me, because I need
>>> it in my thesis, but I will try it to see, if it is not the
>>> bottleneck.
>>>
>>> Thanks
>>> Jan
>>>
>>> 2010/2/22 Bogdan-Andrei Iancu<bogdan at voice-system.ro>:
>>>
>>>
>>>
>>>> Hi Jan,
>>>>
>>>> Jan Rozhon wrote:
>>>>
>>>>
>>>>
>>>>> Hi Bogdan,
>>>>>
>>>>> thank you for your advice, but no help so far. I ran a test again using
>>>>> a load of 280 calls per second (2800 simultaneous calls) and watched
>>>>> receive buffer errors using netstat -su, but only 2930 errors occured
>>>>> out of almost 3 000 000 packets received. So if I understand it well,
>>>>> the problem is not caused by udp buffer size, because despite the low
>>>>> number of udp datagrams discarded more than 60 000 calls were not
>>>>> succesful (aproximately 25% of total calls).
>>>>>
>>>>>
>>>>>
>>>>>
>>>> In sipp, what are the the cps and max parallel call you are using ?
>>>> Also, what kind of failures does the sipp report (missing 200ok ?
>>>> missing BYE? etc).
>>>>
>>>>
>>>>
>>>>> Then I checked the database setting - I am using MySQL with "0"
>>>>> parameter (no database persistency), so I dont know how else I can make
>>>>> it run faster (I cannot use separate computer for the database).
>>>>>
>>>>>
>>>>>
>>>>>
>>>> so no DB persistence for usrloc, but you mentioned using auth - is this
>>>> correct? as auth is doing real time DB queries maybe you should try
>>>> disabling the auth also to see how this affects the performance.
>>>>
>>>>
>>>>
>>>>> As an opensips newbie, I dont have a clue, where the real problem could
>>>>> be, so any further help would be appreciated.
>>>>>
>>>>> Thanks, Jan
>>>>>
>>>>> Dne 19.2.2010 14:56, Bogdan-Andrei Iancu napsal(a):
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>> Hi Jan,
>>>>>>
>>>>>> You need to see where the bottleneck is. If it is not the CPU, it must
>>>>>> be some I/O blocking opensips. For example the DB may be too slow
>>>>>> blocking opesips processes -> no process to read traffic from network ->
>>>>>> traffic discarded, package lost.
>>>>>>
>>>>>> So, you should first look with netstat at the UDP sock, to see if the
>>>>>> in-buffer is full or not (if full, the kernel will discard packages).
>>>>>>
>>>>>> Regarding the timeouts (for calls, for retransmissions) see the TM module:
>>>>>> http://www.opensips.org/html/docs/modules/1.6.x/tm.html#id228443
>>>>>>
>>>>>> Regards,
>>>>>> Bogdan
>>>>>>
>>>>>> Jan Rozhon wrote:
>>>>>>
>>>>>>
>>>>>>
>>>>>>
>>>>>>
>>>>>>> Hello,
>>>>>>>
>>>>>>> as a part of my diploma thesis I'm trying to do some performance testing
>>>>>>> of opensips running on low cost machine with 4GB of RAM and dual-core
>>>>>>> AMD Athlon processor. As a generator of SIP traffic I use SIPp v3.1
>>>>>>> running on 4 virtual computers as UAC and two computers as UAS all
>>>>>>> connected just by gigabit ports of a single switch. My proublem is, that
>>>>>>> as soon as I reach the load of 200 calls per second (2000 simultaneous
>>>>>>> calls) many of those calls (aroud 50%) don't finish succesfully. CPU
>>>>>>> utilization of opensips machine is around 40% and memory around 25%, so
>>>>>>> the opensips has still a lot of free resources, but it doesn't use them.
>>>>>>> Could you please advise me, how to change default configuration script
>>>>>>> and opensips settings to achieve better results?
>>>>>>>
>>>>>>> Right now, the only changes I made is :
>>>>>>> -enabling registrar/proxy authentication;
>>>>>>> -disabled tcp, since all the traffic is carried by udp;
>>>>>>> -set shared memory to 2048 MB;
>>>>>>> -set number of children to 16
>>>>>>> -limit debug level to 1
>>>>>>>
>>>>>>> PS. How can I increase the time, after which opensips retransmits SIP
>>>>>>> messages?
>>>>>>>
>>>>>>> Thanks in advance,
>>>>>>> Jan
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>> _______________________________________________
>>>>>>> Users mailing list
>>>>>>> Users at lists.opensips.org
>>>>>>> http://lists.opensips.org/cgi-bin/mailman/listinfo/users
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>
>>>>>>
>>
>>
>
>
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>
--
Bogdan-Andrei Iancu
www.voice-system.ro
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