[Freeswitch-users] Does freeswitch forks his processes?

[Nathan Neulinger]

"Run as" != "Start as"

If you insist on not starting FS as root to let it change user, like most other daemons/services, you'll have to jump 
through a bunch of extra steps using file system capabilities to give it the ability to set scheduler parameters/etc 
that are restricted to root normally.

-- Nathan

On 02/02/2016 09:10 AM, Peter Steinbach wrote:
> I've just stumpled over this:
>  >Is FreeSWITCH starting with root permissions? It needs this in order to use the FIFO scheduler and access realtime
> threads. If not started as root, this would explain your CPS limitations.
>
> We like to run Freeswitch as a non privileged user, due to security concerns. So there are drawbacks here compared to
> running FS as root? Can we somehow quantify the differences?
>
> Best regards
> Peter
>
>
> On 02/02/16 13:58, Bote Man wrote:
>>
>> Is FreeSWITCH starting with root permissions? It needs this in order to use the FIFO scheduler and access realtime
>> threads. If not started as root, this would explain your CPS limitations. There are also limits that can be set in the
>> config files.
>>
>> After it starts it drops privileges to those specified on the command line with –u and –g switches.
>>
>> FreeSWITCH uses multi-threading. I do not know about htop, but maybe it is showing the multiple threads?
>>
>> top –H shows each thread.
>>
>> ---
>>
>> Bote
>>
>> FreeSWITCH Docs Janitor
>>
>> http://freeswitch.org/confluence
>>
>> *From:*Vladislav Ivanov
>> *Sent:* Tuesday, 02 February, 2016 07:09
>> *Subject:* [Freeswitch-users] Does freeswitch forks his processes?
>>
>> Hey guys,
>>
>> I have a question about freeswitch process/threading usage.
>> So far that I haven't noticed freeswitch to fork himself, I have only 1 freeswitch instance.
>> http://i.imgur.com/bdbYOwp.png
>>
>> But then I found screenshot of htop with freeswitch and noticed that there is multiple freeswitch processes being run:
>> http://i.imgur.com/VNpl55z.jpg
>>
>> I'm having issues with "loading" the freeswitch after 50 cps in any cpu/ram configuration.
>> Be it physical or virtual environment I cant pass the 50 cps mark.
>> I have strange issue with CPU usage on same CPS:
>>
>> http://i.imgur.com/8BdQWVL.png
>> http://i.imgur.com/mWRnoGr.png
>>
>> I timeload test freeswitch with 50cps for 5+ hours, and seems like there is some kind of leak somewhere.
>> I have tested configuration on:
>> Debian 8
>> 2 core/8 gb ram
>> 4 core/8 gb ram (graphs are from here)
>> 8 core/32 gb ram
>>
>> and in all the tests I were not able to send more than 50 cps without CPU dropping to 0 with all system starting to
>> respond really laggy.
>>
>> Test is:
>> sipp -> freeswitch -> sipp
>>
>> Just 1 dialpeer with bridge action. No gateways. Just simple dialplan and 1 profile...
>> Any advice?
>>
>> Thank you all
>>
>>
>>
>>
>>
>> _________________________________________________________________________
>> 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
>>
>> FreeSWITCH-users mailing list
>> FreeSWITCH-users at lists.freeswitch.org
>> http://lists.freeswitch.org/mailman/listinfo/freeswitch-users
>> UNSUBSCRIBE:http://lists.freeswitch.org/mailman/options/freeswitch-users
>> http://www.freeswitch.org
>
>
> --
> With kind regards
> Peter Steinbach
>
> Telefaks Services GmbH
> mailto:lists  (att) telefaks.de
> Internet:www.telefaks.de
>
>
>
> _________________________________________________________________________
> 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
>
> FreeSWITCH-users mailing list
> FreeSWITCH-users at lists.freeswitch.org
> http://lists.freeswitch.org/mailman/listinfo/freeswitch-users
> UNSUBSCRIBE:http://lists.freeswitch.org/mailman/options/freeswitch-users
> http://www.freeswitch.org
>

-- 
------------------------------------------------------------
Nathan Neulinger                       nneul at mst.edu
Missouri S&T Information Technology    (573) 612-1412
System Administrator - Architect