[Freeswitch-users] Virtualized Freeswitch?

Brian Foster bdfoster at endigotech.com
Tue Feb 21 00:07:11 MSK 2012


MC,

Good catch, I just grounded my sleek check for making me look like a fool...
On Feb 20, 2012 3:44 PM, "Andrew Cassidy" <andrew at cassidywebservices.co.uk>
wrote:

> I'm crazy enough to run FreeSWITCH on the Rackspace cloud. They allow you
> to build your own kernel, so I have a custom one with 1kHz interrupt timer.
> Seems to work fine.
>
> On 20 February 2012 20:37, Peter Olsson <peter.olsson at visionutveckling.se>wrote:
>
>> I agree, this shouldn't be any problems.
>>
>> The log lines indicate that the monotonic clock in the OpenVZ container
>> goes backwards by the time it's logged. I haven't used OpenVZ much though,
>> so I'm not really sure what could be the reason for this.
>>
>> /Peter
>>
>> ________________________________________
>> Från: freeswitch-users-bounces at lists.freeswitch.org [
>> freeswitch-users-bounces at lists.freeswitch.org] f&#246;r Tim Nelson [
>> tnelson at rockbochs.com]
>> Skickat: den 20 februari 2012 16:48
>> Till: freeswitch-users at lists.freeswitch.org
>> Ämne: [Freeswitch-users] Virtualized Freeswitch?
>>
>> Greetings all-
>>
>> I'm quite experienced with Asterisk, and specifically, usage in a
>> virtualized environment. It works great with a bit of tuning. I'm starting
>> to work more with Freeswitch, and as such, I'm looking to implement it in a
>> virtualized environment. My initial installation was onto a CentOS 6 OpenVZ
>> container. However, the logs are showing this (many times):
>>
>> 2012-02-20 18:43:51.846882 [WARNING] switch_scheduler.c:114 Task was
>> executed late by 280 seconds 1 heartbeat (core)
>> 2012-02-20 18:43:51.846882 [WARNING] switch_scheduler.c:114 Task was
>> executed late by 260 seconds 2 check_ip (core)
>> 2012-02-20 18:46:21.496538 [CRIT] switch_time.c:798 Virtual Migration
>> Detected! Syncing Clock
>> 2012-02-20 18:46:21.496538 [CRIT] switch_time.c:810 If you see this
>> message many times try setting the param enable-clock-nanosleep to true in
>> switch.conf.xml or consider a nicer machine to run me on. I AM *FREE*
>> afterall.
>>
>> I completely understand the issue with realtime applications such as VoIP
>> in a virtualized environment with limited timing facilities. However,
>> OpenVZ makes use of a shared kernel which in my prior experience, does not
>> have the issues associated with fully virtualized technologies like VMWare,
>> KVM, Xen, Hyper-V, etc. Am I incorrect or is this issue specific to
>> Freeswitch (but apparently not so in use with Asterisk) ?
>>
>> There are a couple of wiki entries [1][2] which seem to indicate others
>> are using Freeswitch with OpenVZ with success. Am I mistaken?
>>
>> Looking for some pointers if you can lend some insight into this issue.
>> Maybe the errors are harmless? I have not actually pushed any traffic
>> through this installation yet, due to the errors.
>>
>> Thanks!
>>
>> --Tim
>>
>> [1] http://wiki.freeswitch.org/wiki/FreeSWITCH_in_OpenVZ
>> [2] http://wiki.freeswitch.org/index.php?title=Virtualization&redirect=no
>>
>> _________________________________________________________________________
>> Professional FreeSWITCH Consulting Services:
>> consulting at freeswitch.org
>> http://www.freeswitchsolutions.com
>>
>> 
>> 
>>
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>> http://www.freeswitch.org
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>>
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>>
>>
>> _________________________________________________________________________
>> Professional FreeSWITCH Consulting Services:
>> consulting at freeswitch.org
>> http://www.freeswitchsolutions.com
>>
>> 
>> 
>>
>> Official FreeSWITCH Sites
>> http://www.freeswitch.org
>> http://wiki.freeswitch.org
>> http://www.cluecon.com
>>
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>> http://lists.freeswitch.org/mailman/listinfo/freeswitch-users
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>>
>
>
>
> --
> Andrew Cassidy BSc (Hons) MBCS
> Managing Director; Cassidy Web Services Ltd
> T: 03300 100 960 F: 03300 100 961
> E: andrew at cassidywebservices.co.uk
> W: www.cassidywebservices.co.uk
>
>
> _________________________________________________________________________
> Professional FreeSWITCH Consulting Services:
> consulting at freeswitch.org
> http://www.freeswitchsolutions.com
>
> 
> 
>
> Official FreeSWITCH Sites
> http://www.freeswitch.org
> http://wiki.freeswitch.org
> http://www.cluecon.com
>
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>
>
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