[Freeswitch-users] Session recording performance

Brandon Armstead brandon at cryy.com
Thu Sep 21 15:28:32 UTC 2017


Your positive GSO / TSO / all are the same?  Same Kernel?  Same
hardware?  replica?  What happens if you docker your test on 1 same
physical host?

On Thu, Sep 21, 2017 at 8:25 AM, Stanislav Sinyagin <ssinyagin at gmail.com> wrote:
> but the other box is doing the same TX job, and it's doing fine.
> I'm trying different timers now.
>
>
>
> On Thu, Sep 21, 2017 at 5:02 PM, Brandon Armstead <brandon at cryy.com> wrote:
>> Any leads maybe under ethtool -S [interface] , possible some kind of
>> checksum / network "interference" , possibly the tx side is doing more
>> work?
>>
>> https://www.kernel.org/doc/Documentation/networking/checksum-offloads.txt
>>
>> On Thu, Sep 21, 2017 at 7:49 AM, Stanislav Sinyagin <ssinyagin at gmail.com> wrote:
>>> I actually mentioned it in the thread. Yes, after switching the roles
>>> of the boxes, the problem switches too. It's only the call origination
>>> box that is producing the jitter on outbound RTP. I also verified it
>>> with packet capture on both sides. The RTP leaves the box with jitter
>>> already.
>>>
>>> I'm still analyzing it, trying to find the reason for the jitter.
>>>
>>>
>>>
>>> On Thu, Sep 21, 2017 at 4:08 PM, Mundkowsky, Robert <rmundkowsky at ets.org> wrote:
>>>> Just curious, have you tried switching the boxes and seeing if you get same situation?
>>>>
>>>> Robert
>>>>
>>>> -----Original Message-----
>>>> From: FreeSWITCH-users [mailto:freeswitch-users-bounces at lists.freeswitch.org] On Behalf Of Stanislav Sinyagin
>>>> Sent: Thursday, September 21, 2017 8:31 AM
>>>> To: FreeSWITCH Users Help <freeswitch-users at lists.freeswitch.org>
>>>> Subject: Re: [Freeswitch-users] Session recording performance
>>>>
>>>> but the interesting thing is, that it's the device that originates the SIP call is producing a significantly higher jitter than the one receiving the call.
>>>>
>>>> The originating command looks like this here, with a SIP address as destination, and a number in local XML dialplan as transfer
>>>> application:
>>>> https://na01.safelinks.protection.outlook.com/?url=https%3A%2F%2Ffreeswitch.org%2Fconfluence%2Fdisplay%2FFREESWITCH%2FOriginate%2BExample&data=02%7C01%7Crmundkowsky%40ets.org%7Ca687846ba37f40ba852608d500ed0775%7C0ba6e9b760b34fae92f37e6ddd9e9b65%7C0%7C0%7C636415940392006303&sdata=M5OEPvRrB9JkM5fodeKscJakpsvZn42LhZs2jQle9Ro%3D&reserved=0
>>>>
>>>>
>>>>
>>>> On Thu, Sep 21, 2017 at 7:46 AM, Stanislav Sinyagin <ssinyagin at gmail.com> wrote:
>>>>> with jitterbuffer, it now works as expected. So, the sending party was
>>>>> generating extra jitter.
>>>>>
>>>>> I am playing the same audio file in both directions, and then compare
>>>>> the recorded audio with the original by Sevana AQuA software. This
>>>>> allows me to detect packet loss in a heterogeneous environment where
>>>>> the voice goes through RTP proxies and TDM.
>>>>>
>>>>>
>>>>>
>>>>>
>>>>> On Thu, Sep 21, 2017 at 3:43 AM, jungle Boogie <jungleboogie0 at gmail.com> wrote:
>>>>>> What occurs if you send identical audio for the same duration? IOW,
>>>>>> play the sound file for each call.
>>>>>>
>>>>>>
>>>>>> _____________________________________________________________________
>>>>>> ____ Professional FreeSWITCH Consulting Services:
>>>>>> consulting at freeswitch.org
>>>>>> https://na01.safelinks.protection.outlook.com/?url=http%3A%2F%2Fwww.f
>>>>>> reeswitchsolutions.com&data=02%7C01%7Crmundkowsky%40ets.org%7Ca687846
>>>>>> ba37f40ba852608d500ed0775%7C0ba6e9b760b34fae92f37e6ddd9e9b65%7C0%7C0%
>>>>>> 7C636415940392006303&sdata=nGh9In%2FvTyg37f7nJph6TXJFaz2nMMjZ0NXzIZr3
>>>>>> hWg%3D&reserved=0
>>>>>>
>>>>>> Official FreeSWITCH Sites
>>>>>> https://na01.safelinks.protection.outlook.com/?url=http%3A%2F%2Fwww.f
>>>>>> reeswitch.org&data=02%7C01%7Crmundkowsky%40ets.org%7Ca687846ba37f40ba
>>>>>> 852608d500ed0775%7C0ba6e9b760b34fae92f37e6ddd9e9b65%7C0%7C0%7C6364159
>>>>>> 40392006303&sdata=wFbEKkGrG49JjArYiD7D1mo6icJFqaxinnS3%2F5xq6hs%3D&re
>>>>>> served=0
>>>>>> https://na01.safelinks.protection.outlook.com/?url=http%3A%2F%2Fconfl
>>>>>> uence.freeswitch.org&data=02%7C01%7Crmundkowsky%40ets.org%7Ca687846ba
>>>>>> 37f40ba852608d500ed0775%7C0ba6e9b760b34fae92f37e6ddd9e9b65%7C0%7C0%7C
>>>>>> 636415940392006303&sdata=ehMZuD9vMm325yuExibRBY6G9ysSDmvqoBQaXcHXFww%
>>>>>> 3D&reserved=0
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>>>>>> luecon.com&data=02%7C01%7Crmundkowsky%40ets.org%7Ca687846ba37f40ba852
>>>>>> 608d500ed0775%7C0ba6e9b760b34fae92f37e6ddd9e9b65%7C0%7C0%7C6364159403
>>>>>> 92006303&sdata=J2p7ztQidG%2FLf4c6prqao3hhOnrmHHl2pxlwod3LNKM%3D&reser
>>>>>> ved=0
>>>>>>
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>>>>>> served=0
>>>>
>>>> _________________________________________________________________________
>>>> Professional FreeSWITCH Consulting Services:
>>>> consulting at freeswitch.org
>>>> https://na01.safelinks.protection.outlook.com/?url=http%3A%2F%2Fwww.freeswitchsolutions.com&data=02%7C01%7Crmundkowsky%40ets.org%7Ca687846ba37f40ba852608d500ed0775%7C0ba6e9b760b34fae92f37e6ddd9e9b65%7C0%7C0%7C636415940392006303&sdata=nGh9In%2FvTyg37f7nJph6TXJFaz2nMMjZ0NXzIZr3hWg%3D&reserved=0
>>>>
>>>> Official FreeSWITCH Sites
>>>> https://na01.safelinks.protection.outlook.com/?url=http%3A%2F%2Fwww.freeswitch.org&data=02%7C01%7Crmundkowsky%40ets.org%7Ca687846ba37f40ba852608d500ed0775%7C0ba6e9b760b34fae92f37e6ddd9e9b65%7C0%7C0%7C636415940392006303&sdata=wFbEKkGrG49JjArYiD7D1mo6icJFqaxinnS3%2F5xq6hs%3D&reserved=0
>>>> https://na01.safelinks.protection.outlook.com/?url=http%3A%2F%2Fconfluence.freeswitch.org&data=02%7C01%7Crmundkowsky%40ets.org%7Ca687846ba37f40ba852608d500ed0775%7C0ba6e9b760b34fae92f37e6ddd9e9b65%7C0%7C0%7C636415940392006303&sdata=ehMZuD9vMm325yuExibRBY6G9ysSDmvqoBQaXcHXFww%3D&reserved=0
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>>>>
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>>>>
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>>>>
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>>>>
>>>>
>>>> Thank you for your compliance.
>>>>
>>>> ________________________________
>>>> _________________________________________________________________________
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>>>> http://www.freeswitchsolutions.com
>>>>
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>>>>
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>>>
>>> _________________________________________________________________________
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>>> http://www.freeswitchsolutions.com
>>>
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>>>
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>>
>>
>>
>> --
>> Sincerely,
>> Brandon Armstead
>> CTO / CRYY.com
>>
>> _________________________________________________________________________
>> Professional FreeSWITCH Consulting Services:
>> consulting at freeswitch.org
>> http://www.freeswitchsolutions.com
>>
>> Official FreeSWITCH Sites
>> http://www.freeswitch.org
>> http://confluence.freeswitch.org
>> http://www.cluecon.com
>>
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>
> _________________________________________________________________________
> Professional FreeSWITCH Consulting Services:
> consulting at freeswitch.org
> http://www.freeswitchsolutions.com
>
> Official FreeSWITCH Sites
> http://www.freeswitch.org
> http://confluence.freeswitch.org
> http://www.cluecon.com
>
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-- 
Sincerely,
Brandon Armstead
CTO / CRYY.com



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