[Asterisk-Users] Asterisk's MultiProcessor Ability

[Wiley Siler]

Good questions I have always wondered about since I have a DP box for my
* server.

Isn't that only true in the event that no transcoding is happening?
Won't processor usage increase pretty drastically if transcoding occurs
a lot?
How about if the users have music on hold a lot or use a lot of MeetMe
rooms?  Will that increase that processor use as well?

Also. Does the presence of a second processor help with IRQ request
issues?  (sorry if that question is really dumb)

Thanks,
Wiley
 

-----Original Message-----
From: asterisk-users-bounces at lists.digium.com
[mailto:asterisk-users-bounces at lists.digium.com] On Behalf Of William
Boehlke
Sent: Wednesday, May 25, 2005 10:33 AM
To: 'Asterisk Users Mailing List - Non-Commercial Discussion'
Subject: RE: [Asterisk-Users] Asterisk's MultiProcessor Ability

Telephony doesn't use a lot of processor. We think one of the principal
arguments for a second one is that you have another processor in the
unlikely event that your primary fails. 

William Boehlke
Signate
 

-----Original Message-----
From: asterisk-users-bounces at lists.digium.com
[mailto:asterisk-users-bounces at lists.digium.com] On Behalf Of Matthew
Boehm
Sent: Wednesday, May 25, 2005 9:40 AM
To: asterisk-users at lists.digium.com
Subject: [Asterisk-Users] Asterisk's MultiProcessor Ability

We have asterisk running on a quad processor dell. The kernel has been
compiled with SMP.

However, asterisk seems to only use 1 processor. 3 of the 4 always stay
at 100% idle.

Is it pointless to have a multi-proc machine? I was going to buy a new
dual 3.6Ghz Xeon server but if nothing will take advantage of the other
proc...

Perhaps my conception of multi-proc/threaded is warped. If asterisk is
the only thing using CPU, I would expect the load to be dristributed
amounst the processors. Instead of 1 proc falling to 20% idle (80% using
on that 1 proc), I should see all 4 procs fall to 80% idle (20% used on
each). Is this wrong?

What about the g729 library from digium? Is that multi-proc aware?

-Matthew

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Matthew Boehm, IT Director                    Cypress Telecommunications
mboehm at cytelcom.com                   3838 N. Sam Houston Parkway E #400
T: 832-200-8640 x3044                                  Houston, TX 77032

My girlfriend was recently diagnosed with multiple personality disorder;
When she called yesterday, my CallerID box exploded.
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