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

[Guillermo Ruiz Camauer]

What codec are you using?  Have you turned down/off logging?  Is there any
swapping going on?

Guillermo


On Tue, Jun 24, 2014 at 4:42 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
>> 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
>>
>>
>>
>>
>>
>>
>>
>> _________________________________________________________________________
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>> http://www.freeswitchsolutions.com
>>
>> 
>> 
>>
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>
>
> --
> Guillermo Ruiz Camauer
>



-- 
Guillermo Ruiz Camauer
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