[Freeswitch-users] Problems with RTP delay at around 300 concurrent calls

Guillermo Ruiz Camauer grcamauer at gmail.com
Fri Jun 27 19:37:32 MSD 2014 

Ali,


What benefits and or consecuences does setting rtp-timer-name to none
and rtp-timeout-sec to zero bring about?

Thanks,

Guillermo


On Fri, Jun 27, 2014 at 9:09 AM, Ali Pey <alipey at gmail.com> wrote:

> Hi David,
>
> Yes, we have done more than 1000 concurrent calls. Here are a few things
> we needed to do:
>
> 1) Add the following to /etc/security/limits.conf
> *         hard    nofile      65536
> *         soft    nofile      65536
> root      hard    nofile      65536
> root      soft    nofile      65536
>
> freeswitch hard stack 10240
> freeswitch soft stack 244
>
> freeswitch hard nproc unlimited
> freeswitch soft nproc unlimited
>
>
> 2) Add the followings to /etc/init.d/freeswitch
>         ulimit -c unlimited
>         ulimit -d unlimited
>         ulimit -f unlimited
>         ulimit -i unlimited
>         ulimit -n 999999
>         ulimit -q unlimited
>         ulimit -u unlimited
>         ulimit -v unlimited
>         ulimit -x unlimited
>         ulimit -s 240
>         ulimit -l unlimited
>
> 3) Set rtp-timer-name to none and rtp-timeout-sec to zero in your sip
> profile.
>
>
> Regards,
> Ali Pey
>
>
> On Tue, Jun 24, 2014 at 3:42 PM, Guillermo Ruiz Camauer <
> grcamauer at gmail.com> wrote:
>
>> Have you tried spreading the calls over more than 1 SIP profile?  Each
>> SIP profile gets its own thread.
>>
>> Also, is this all within your LAN?  No firewalls/filters?  Are you sure
>> you are linking at 1Gbps, full duplex?
>>
>> Guillermo
>>
>>
>> On Sat, Jun 7, 2014 at 2:22 PM, D D <tru083 at yahoo.com> wrote:
>>
>>> Hi,
>>>
>>> I would like to put 500 - 1000 calls into a FS system.
>>>
>>> I have a Dell R900 server with these properties:
>>>    8 processors at 2.40GHz
>>>    8GB RAM
>>>    Gigabit ethernet
>>>
>>>  I use sipp to send RTP streams.
>>>
>>> I use the FS settings recommended here:
>>>
>>> https://wiki.freeswitch.org/wiki/Performance_testing_and_configurations
>>> <https://contactmonkey.com/api/tracker?cm_session=c6e7bb42-d00d-46cc-bfdd-e3072b818af8&cm_type=link&cm_link=7e360a1f-cf3a-4b18-86e3-239b2604c34b&cm_destination=https://wiki.freeswitch.org/wiki/Performance_testing_and_configurations>
>>>  including the in-memory core.db.
>>>
>>> I also have used the "-rp" and "-nosql" settings on the FS command-line,
>>> and
>>> also used the "chrt" command to increase the priority to real-time.
>>>
>>> In all cases, at around 300 concurrent calls, the RTP inter-packet delay
>>> becomes
>>> unacceptably high.  The voice quality is severely impacted.
>>>
>>> During the test, the CPU is not overloaded.  It is using only about 1.5
>>> of the 8 processors.
>>>
>>> Are these results expected?
>>>
>>> Has anyone gone higher than 300 concurrent calls?
>>>
>>> Is there anything else that I can do with configuration to improve
>>> throughput?
>>>
>>> Thanks,
>>> David
>>>
>>>
>>>
>>>
>>>
>>>
>>>
>>> _________________________________________________________________________
>>> Professional FreeSWITCH Consulting Services:
>>> consulting at freeswitch.org
>>> http://www.freeswitchsolutions.com
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>>>
>>> 
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>>> 
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>>>
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>>> http://www.freeswitch.org
>>> <https://contactmonkey.com/api/tracker?cm_session=c6e7bb42-d00d-46cc-bfdd-e3072b818af8&cm_type=link&cm_link=5987c3ed-e2f0-4a49-9f65-5119a1e789cc&cm_destination=http://www.freeswitch.org>
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>>> http://wiki.freeswitch.org
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>>> http://www.cluecon.com
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>>>
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>>> http://www.freeswitch.org
>>> <https://contactmonkey.com/api/tracker?cm_session=c6e7bb42-d00d-46cc-bfdd-e3072b818af8&cm_type=link&cm_link=7683450b-96d4-415b-98ca-902b24c7ecf4&cm_destination=http://www.freeswitch.org>
>>>
>>>
>>
>>
>> --
>> Guillermo Ruiz Camauer
>>
>> _________________________________________________________________________
>> Professional FreeSWITCH Consulting Services:
>> consulting at freeswitch.org
>> http://www.freeswitchsolutions.com
>> <https://contactmonkey.com/api/tracker?cm_session=c6e7bb42-d00d-46cc-bfdd-e3072b818af8&cm_type=link&cm_link=6d9408cf-5e17-425f-91af-681541157fed&cm_destination=http://www.freeswitchsolutions.com>
>>
>> 
>>
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>> 
>> <https://contactmonkey.com/api/tracker?cm_session=c6e7bb42-d00d-46cc-bfdd-e3072b818af8&cm_type=link&cm_link=9c4e1c68-ca53-4d9f-bace-47639a4b089c&cm_destination=>
>>
>> Official FreeSWITCH Sites
>>
>> <https://contactmonkey.com/api/tracker?cm_session=c6e7bb42-d00d-46cc-bfdd-e3072b818af8&cm_type=link&cm_link=a7b59abd-d326-4b72-a317-a0b74899f408&cm_destination=http://www.freeswitch.org>
>> http://www.freeswitch.org
>> <https://contactmonkey.com/api/tracker?cm_session=c6e7bb42-d00d-46cc-bfdd-e3072b818af8&cm_type=link&cm_link=ebfb92df-32ea-46ce-910a-17e617c75c76&cm_destination=http://www.freeswitch.org>
>>
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>> http://wiki.freeswitch.org
>> <https://contactmonkey.com/api/tracker?cm_session=c6e7bb42-d00d-46cc-bfdd-e3072b818af8&cm_type=link&cm_link=49697cec-f092-4b8d-a2bd-63fc18c1895a&cm_destination=http://wiki.freeswitch.org>
>>
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>>
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>> http://www.freeswitch.org
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>>
>>
>
> _________________________________________________________________________
> Professional FreeSWITCH Consulting Services:
> consulting at freeswitch.org
> http://www.freeswitchsolutions.com
>
> 
> 
>
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>
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>


-- 
Guillermo Ruiz Camauer
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