[Asterisk-Users] 1.2.6 doesn't use mpg123?

[Matt]

On 4/3/06, Matt Roth <mroth at imminc.com> wrote:
> Matt wrote:
>
> >>Right now we have seventy calls waiting in queues (all with native MOH)
> >>and 120 calls connected to agents.  The box is jumping between 50%-60%
> >>idle.  "ps auxm" shows 241 threads for Asterisk, but none of them take
> >>more than 0.8% CPU.
> >>
> >>Personally, I wouldn't mind seeing an option that allowed native MOH to
> >>pull from a single thread for each class.  It would probably yield lower
> >>CPU utilization, but I'm not sure how difficult it would be to
> >>implement.  If enough people are interested in this feature, it should
> >>be submitted through Mantis as a feature request.
> >>
> >>
> >
> >Wow ... that's some pretty heavy call utilitization... ok good to
> >know.    With 6 calls on hold I'm seeing about 0.2% CPU used.  It just
> >seems like opening a new thread for every MOH instance will use more
> >disk i/o as well.
> >
> Matt,
>
> I was considering moving the MOH files to a RAM disk at boot and then
> playing them from there to handle that problem.  I'm not sure it's
> necessary, though.  Currently, QueueMetrics is showing 100 callers in
> queue, but iostat is showing almost no read activity on the disk.  My
> guess is that Linux is already caching the files to memory.  Of course,
> this is entirely dependent on the amout of memory in the system.
>
> Matthew Roth
> InterMedia Marketing Solutions
> Software Engineer and Systems Developer
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Ooooooooooooooo!  Good point!  Even though 100 instances of the same
mp3/wav/etc may be opened... linux really only has it opened 'once'. 
Forgot about that :) Good point!