<div dir="ltr"><div>You have turned off CDR, but what about logging? Logging at certain levels gets pretty taxing at these call rates.</div><div>Have you implemented all the hints from <a href="https://wiki.freeswitch.org/wiki/Performance_Tuning">https://wiki.freeswitch.org/wiki/Performance_Tuning</a> and <a href="https://wiki.freeswitch.org/wiki/Performance_testing_and_configurations">https://wiki.freeswitch.org/wiki/Performance_testing_and_configurations</a> ?</div>
<div> </div><div>Guillermo</div></div><div class="gmail_extra"><br><br><div class="gmail_quote">On Tue, Oct 22, 2013 at 3:41 PM, Deon Vermeulen <span dir="ltr"><<a href="mailto:vermeulen.deon@gmail.com" target="_blank">vermeulen.deon@gmail.com</a>></span> wrote:<br>
<blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">My 2cents is to move to bare metal.<br>
We ran a Guest on Commercial Licensed ESX and without real load (>50%) started seeing bad behavior.<br>
We moved to Bare Metal just over 3weeks ago and since then no more strange behavior.<br>
<br>
I've setup OpenVZ for LAB environment and so far no issues with almost the same load when using Commercial Licensed ESX.<br>
<br>
<br>
Kind Regards<br>
<br>
Sent from my iPhone<br>
<div class="HOEnZb"><div class="h5"><br>
> On Oct 22, 2013, at 19:28, "Miha" <<a href="mailto:miha@softnet.si">miha@softnet.si</a>> wrote:<br>
><br>
> Hi,<br>
><br>
><br>
> I would be also interested in this as i am experiancing<br>
> same issue, poor audio quality and media dropping.<br>
><br>
> Br,<br>
><br>
> Miha<br>
><br>
> On Tue, 22 Oct 2013 16:03:29 +0200<br>
> Grant Bagdasarian <<a href="mailto:GB@cm.nl">GB@cm.nl</a>> wrote:<br>
>> Yes, it does!<br>
>><br>
>> I also found this:<br>
> <a href="https://wiki.freeswitch.org/wiki/Misc._Dialplan_Tools_echo" target="_blank">https://wiki.freeswitch.org/wiki/Misc._Dialplan_Tools_echo</a><br>
>><br>
>> Echo application for FS.<br>
>> Going to see if that works first. If not, I'll setup a<br>
>> Sipp in server mode.<br>
>><br>
>> From: <a href="mailto:freeswitch-users-bounces@lists.freeswitch.org">freeswitch-users-bounces@lists.freeswitch.org</a><br>
>> [mailto:<a href="mailto:freeswitch-users-bounces@lists.freeswitch.org">freeswitch-users-bounces@lists.freeswitch.org</a>] On<br>
>> Behalf Of Ali Pey<br>
>> Sent: Tuesday, October 22, 2013 3:50 PM<br>
>> To: FreeSWITCH Users Help<br>
>> Subject: Re: [Freeswitch-users] Audio quality issues<br>
>><br>
>> You can make calls from sipp that also terminates on sipp<br>
>> and then play a wave file in sipp.<br>
>><br>
>> Change your dial plan in FS to route the calls to an<br>
>> instant of sipp that can terminate the calls.<br>
>><br>
>> Does this make sense?<br>
>><br>
>> On Tue, Oct 22, 2013 at 9:22 AM, Grant Bagdasarian<br>
>> <<a href="mailto:GB@cm.nl">GB@cm.nl</a><mailto:<a href="mailto:GB@cm.nl">GB@cm.nl</a>>> wrote:<br>
>> A while back I used iotop to measure the disk access, and<br>
>> FS was hardly using any io during tests.<br>
>><br>
>> How do I simulate two way audio?<br>
>> I know I can make Sipp send an RTP stream using a pcap<br>
>> file, but how do I make FS sent RTP back which is not<br>
>> read from disk? Does FS have an echo application?<br>
>> Or is it enough for Sipp to send the media?<br>
>><br>
>> From:<br>
> <a href="mailto:freeswitch-users-bounces@lists.freeswitch.org">freeswitch-users-bounces@lists.freeswitch.org</a><mailto:<a href="mailto:freeswitch-users-bounces@lists.freeswitch.org">freeswitch-users-bounces@lists.freeswitch.org</a>><br>
> [mailto:<a href="mailto:freeswitch-users-bounces@lists.freeswitch.org">freeswitch-users-bounces@lists.freeswitch.org</a><mailto:<a href="mailto:freeswitch-users-bounces@lists.freeswitch.org">freeswitch-users-bounces@lists.freeswitch.org</a>>]<br>
>> On Behalf Of Ali Pey<br>
>> Sent: Tuesday, October 22, 2013 2:25 PM<br>
>><br>
>> To: FreeSWITCH Users Help<br>
>> Subject: Re: [Freeswitch-users] Audio quality issues<br>
>><br>
>> I think the problem here is that you are playing a file<br>
>> for every call for the duration of the call. The<br>
>> bottleneck seems to be the disk access. If there were to<br>
>> be two way audio path, FS would only proxy the media<br>
>> which would be quite faster as there would be no file<br>
>> reading and playing involved. Attempt a test case with<br>
>> fewer or no file play and only media proxy and test<br>
>> again.<br>
>><br>
>><br>
>> On Tue, Oct 22, 2013 at 6:01 AM, Grant Bagdasarian<br>
>> <<a href="mailto:GB@cm.nl">GB@cm.nl</a><mailto:<a href="mailto:GB@cm.nl">GB@cm.nl</a>>> wrote:<br>
>> The network shouldn't be an issue, since we have at least<br>
>> 1Gbps lines. The tests stay within the network.<br>
>><br>
>> I forgot to mention the calls are being distributed<br>
>> across two machines by a Kamailio instance.<br>
>> So for a total of 800 concurrent calls generated by Sipp,<br>
>> each machine has 400 active calls.<br>
>> CPU load reaches about 70% per machine.<br>
>><br>
>> At this point both FS machines are virtualized, since the<br>
>> performance gain wasn't that much compared to physical.<br>
>> The VM host shows it is using ~3/4 of its CPU resources.<br>
>><br>
>> Htop shows that the normal priority threads(green) and<br>
>> the kernel threads(red) are about the same length.<br>
>><br>
>> Also, FS is running on Ubuntu Server 12.04 x64.<br>
>><br>
>> From:<br>
> <a href="mailto:freeswitch-users-bounces@lists.freeswitch.org">freeswitch-users-bounces@lists.freeswitch.org</a><mailto:<a href="mailto:freeswitch-users-bounces@lists.freeswitch.org">freeswitch-users-bounces@lists.freeswitch.org</a>><br>
> [mailto:<a href="mailto:freeswitch-users-bounces@lists.freeswitch.org">freeswitch-users-bounces@lists.freeswitch.org</a><mailto:<a href="mailto:freeswitch-users-bounces@lists.freeswitch.org">freeswitch-users-bounces@lists.freeswitch.org</a>>]<br>
>> On Behalf Of Stanislav Sinyagin<br>
>> Sent: Tuesday, October 22, 2013 11:11 AM<br>
>> To: FreeSWITCH Users Help<br>
>> Subject: Re: [Freeswitch-users] Audio quality issues<br>
>><br>
>> 800 calls at 64kbps is 51Mbps.<br>
>> Could there be a network issue, like a 100Mbps line<br>
>> between the endpoints?<br>
>><br>
>> How heavy is your CPU load? "htop" command would be<br>
>> helpful in this.<br>
>><br>
>><br>
>> ________________________________<br>
>> From: Grant Bagdasarian <<a href="mailto:GB@cm.nl">GB@cm.nl</a><mailto:<a href="mailto:GB@cm.nl">GB@cm.nl</a>>><br>
>> To: "FreeSWITCH Users Help<br>
> (<a href="mailto:freeswitch-users@lists.freeswitch.org">freeswitch-users@lists.freeswitch.org</a><mailto:<a href="mailto:freeswitch-users@lists.freeswitch.org">freeswitch-users@lists.freeswitch.org</a>>)"<br>
> <<a href="mailto:freeswitch-users@lists.freeswitch.org">freeswitch-users@lists.freeswitch.org</a><mailto:<a href="mailto:freeswitch-users@lists.freeswitch.org">freeswitch-users@lists.freeswitch.org</a>>><br>
>> Sent: Tuesday, October 22, 2013 10:14 AM<br>
>> Subject: [Freeswitch-users] Audio quality issues<br>
>><br>
>> Hello,<br>
>><br>
>> I was wondering what the maximum concurrent calls for FS<br>
>> before audio quality becomes an issue? I assume the specs<br>
>> of the machine would also affect this.<br>
>> We are currently running FS on a Six Core (12 Threads)<br>
>> Intel E5-2430 CPU and get about 800 concurrent calls at<br>
>> 10-20 CPS. The audio quality at these rates is still<br>
>> fair, but we do notice some quality issue's.<br>
>> Going above these numbers screws up the audio quality:<br>
>> choppy sound, audio drops etc. We aren't doing any heavy<br>
>> media processing, just simply playing a file (G711-Alaw)<br>
>> which lasts about 2 minutes during the load test.<br>
>> These numbers are for one way audio, where Sipp doesn't<br>
>> echo the RTP back. These numbers get lower once Sipp<br>
>> echo's the RTP.<br>
>><br>
>> I've tried FS on a physical box and also on a virtual box<br>
>> (ESXi 5.1), but the performance gain on physical vs<br>
>> virtual isn't that much.<br>
>><br>
>> I disabled all the modules we don't need, like CDR's,<br>
>> conferencing, etc.<br>
>><br>
>> Are there any parameters(config files)/modules that can<br>
>> affect the quality of the audio stream?<br>
>><br>
>> Regards,<br>
>><br>
>> Grant<br>
> _________________________________________________________________________<br>
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>> <a href="http://www.freeswitchsolutions.com" target="_blank">http://www.freeswitchsolutions.com</a><br>
>><br>
>> FreeSWITCH-powered IP PBX: The CudaTel Communication<br>
>> Server<br>
>> <a href="http://www.cudatel.com" target="_blank">http://www.cudatel.com</a><br>
>><br>
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>><br>
>> [cid:~WRD000.jpg]<br>
> _________________________________________________________________________<br>
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>> <a href="http://www.freeswitchsolutions.com" target="_blank">http://www.freeswitchsolutions.com</a><br>
>><br>
>> FreeSWITCH-powered IP PBX: The CudaTel Communication<br>
>> Server<br>
>> <a href="http://www.cudatel.com" target="_blank">http://www.cudatel.com</a><br>
>><br>
>> Official FreeSWITCH Sites<br>
>> <a href="http://www.freeswitch.org" target="_blank">http://www.freeswitch.org</a><br>
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>><br>
>> [cid:~WRD000.jpg]<br>
><br>
><br>
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><br>
> FreeSWITCH-powered IP PBX: The CudaTel Communication Server<br>
> <a href="http://www.cudatel.com" target="_blank">http://www.cudatel.com</a><br>
><br>
> Official FreeSWITCH Sites<br>
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</div></div></blockquote></div><br><br clear="all"><br>-- <br>Guillermo Ruiz Camauer<br>
</div>