[asterisk-users] Big difference in CPU utilization with MeetMe

Kevin Ragsdale KevinR at rocketgaming.com
Thu May 8 08:04:14 CDT 2008


Julian,

Thanks for the information.  We'll wait for a new version, then.

Kevin

-----Original Message-----
From: asterisk-users-bounces at lists.digium.com [mailto:asterisk-users-bounces at lists.digium.com] On Behalf Of Julian Yap
Sent: Wednesday, May 07, 2008 5:53 PM
To: Asterisk Users Mailing List - Non-Commercial Discussion
Subject: Re: [asterisk-users] Big difference in CPU utilization with MeetMe

There is a bug in 1.4.19.1 with IAX.  That's your issue.


On Wed, May 7, 2008 at 12:38 PM, Kevin Ragsdale <KevinR at rocketgaming.com> wrote:
>
>
> Hello everyone,
>
> We are building a new * server based on a Supermicro motherboard with a 2.8
> Xeon processor and a TE220B card.  We're using the PBX In a Flash
> distribution.  What we've found is that with a 4 user MeetMe conference, the
> CPU usage is consistently around 16%.  This in comparison to our existing
> PSTN gateway * box running 1.09 (it hosts our conferences and terminates our
> T1s).  With 23 users and processing all PSTN phone calls, CPU usage averaged
> from 3-8%.  This is an older Supermicro, with a 2.4 Xeon processor.  In both
> cases, the connections are via IAX trunks from our main PBX here, and in two
> remote locations.  We use g711 u-law only  - no other codecs are used.  If
> we connect the same number of users through a PRI connection directly to the
> new server, the CPU is 1% or less, so obviously we've pooched something.
>
> We saw this same behavior when we split off the users to a 1.4x based PBX,
> and we thought it was the server hardware in the new machine, which was an
> older Dell 2650.  But now we're not so sure.  I know this is kind of vague,
> but can anyone suggest what might be happening?
>
> New Server
> CentOS 5, Kernel version 2.6.18-53.1.14.el5
> Asterisk 1.4.19.1, and the SVN Zaptel drivers for the TE220B problems posted
> recently
> 2.8 Xeon, Hyperthreading disabled, 4GB RAM, 3Ware 9550SX RAID
>
> Old Server
> Fedora, Kernel version 2.4.22-1.2199.nptl
> Asterisk 1.0.9
> 2.4 Xeon, Hyperthreading off, 1GB RAM
>
> Thanks for the help,
>
> Kevin



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