[Freeswitch-users] FS on a VM only uses one cpu?

[Giovanni Maruzzelli]

On Wed, Oct 14, 2020 at 11:35 AM David Villasmil <
david.villasmil.work at gmail.com> wrote:

> Thanks for replying. I’m not using mod_callcenter at all. I’m simply
> playing back a file. I wonder if this is cpu bounding. I guess I can test
> this by doing echo instead.
>
>
to eliminate cpu load from reading/decoding file, use moh (read just one
time, then broadcast samples to all calls, no cpu, I believe less than echo
in case of many concurrent calls)

-giovanni

I also added another profile, since I read on a thread it might help (also
> read that’s not true), but that’s not it. All of my metal boxes work just
> fine at ~3000 channels, so I’m thinking it’s related somehow to the
> underlying VM.
>
> Thanks again.
>
> On Wed, 14 Oct 2020 at 07:29, Shaun Stokes <shaun at sysconfig.cloud> wrote:
>
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>> Hi David,
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>> We also use FS on a RAM Disk, it works great with 100's of concurrent
>> calls on all the databases except for the call centre module which quickly
>> becomes CPU bound.
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>> Were you using the call centre module in your test? If so, I'd suggest
>> moving it to an external RDBMS such as PGSQL (could be
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>> running on the same VM).
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>> FS is multi-threaded but there are certain processes which FS creates a
>> dedicated child process for (one thread) such as SQLite (one process per
>> database). If you can find out which FS process is using 100% CPU on one
>> thread then you should be able to identify
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>> the bottleneck.
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>> Similar issue here:
>> https://lists.freeswitch.org/pipermail/freeswitch-users/2012-October/088895.html
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>> Thanks,
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>> Shaun
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>> ------------------------------
>>
>>
>> *From:* FreeSWITCH-users <freeswitch-users-bounces at lists.freeswitch.org>
>> on behalf of David Villasmil <david.villasmil.work at gmail.com>
>>
>>
>> *Sent:* 14 October 2020 00:14
>>
>>
>> *To:* FreeSWITCH Users Help <freeswitch-users at lists.freeswitch.org>
>>
>>
>> *Subject:* Re: [Freeswitch-users] FS on a VM only uses one cpu?
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>> BTW sqlite is on a ram disk.
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>> Regards,
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>> David Villasmil
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>> email: david.villasmil.work at gmail.com
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>> phone: +34669448337
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>> On Tue, Oct 13, 2020 at 11:13 PM David Villasmil <
>> david.villasmil.work at gmail.com> wrote:
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>> Hello all,
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>> I compiled 1.10 on a debian-buster VM, and from htop it looks it's only
>> utilizing one CPU.
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>> Anyone seen this?
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>> [image: Screenshot 2020-10-13 at 23.11.13.png]
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>> I'm just running test calls, fs receives and playback a wav file. This is
>> at 700 channels.
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>> Regards,
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>> David Villasmil
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>> email: david.villasmil.work at gmail.com
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>> phone: +34669448337
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>
> --
> Regards,
>
> David Villasmil
> email: david.villasmil.work at gmail.com
> phone: +34669448337
> _________________________________________________________________________
>
> The FreeSWITCH project is sponsored by SignalWire https://signalwire.com
> Enhance your FreeSWITCH install with disruptive priced SMS and PSTN
> services.
> Build your next product on our scalable cloud platform.
>
> Join our online community to chat in real time
> https://signalwire.community
>
> Professional FreeSWITCH Services
> sales at freeswitch.com
> https://freeswitch.com
>
> Official FreeSWITCH Sites
> https://freeswitch.com/oss
> https://freeswitch.org/confluence
> https://cluecon.com
>
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-- 
Sincerely,

Giovanni Maruzzelli
OpenTelecom.IT
cell: +39 347 266 56 18
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