[Freeswitch-users] Virtual Migration Detected! Syncing Clock

[Anthony Minessale]

Try a multi-core xeon platform.


On Mon, Oct 25, 2010 at 5:42 PM, Pedja Delic <pedja at emazu.com> wrote:
> Hello,
> I faced this problem 2 times during test up to 20 concurrent calls:
> 2010-10-24 23:20:31.552414 [CRIT] switch_time.c:755 Virtual Migration
> Detected! Syncing Clock
> 2010-10-24 23:20:47.988228 [CRIT] switch_time.c:755 Virtual Migration
> Detected! Syncing Clock
> 2010-10-24 23:20:52.744154 [CRIT] switch_time.c:755 Virtual Migration
> Detected! Syncing Clock
> 2010-10-24 23:20:56.027521 [CRIT] switch_time.c:755 Virtual Migration
> Detected! Syncing Clock
> 2010-10-24 23:20:59.964199 [CRIT] switch_time.c:755 Virtual Migration
> Detected! Syncing Clock
> 2010-10-24 23:21:05.092063 [CRIT] switch_time.c:755 Virtual Migration
> Detected! Syncing Clock
> 2010-10-24 23:21:10.620075 [WARNING] switch_scheduler.c:114 Task was
> executed late by 2 seconds 1 heartbeat (core)
>
> The 1st time the whole server went into frozen state. I was able to
> ping network interface but couldn't get response from any service from
> the server. Reboot did the job and server worked fine until error
> occurred the 2nd time when only Freeswitch crashed.
> Frequently, during the day, server is faced randomly with high load on
> memory and cpu with up to 20 concurrent calls. Is it possible that high
> cpu load and lack of resource i.e. memory can cause this problem?
> Freeswitch consumes  up to 55% of RAM.
>
> Here is box info:
> OS: CentOS 5.5 64 bit
> CPU: AMD Opteron 1216HE
> RAM: 2GB
> FreeSWITCH version: 1.0.head (git-8726104 2010-09-15 19-46-23 -0500)
> Can anyone drop some light one this issue? Also i want to ask what is
> the recommended configuration for 1000 concurrent calls.
>
> Pedja
>
>
>
>
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-- 
Anthony Minessale II

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