[Asterisk-Users] Asterisk's MultiProcessor Ability

Matthew Boehm mboehm at cytelcom.com
Thu May 26 09:46:32 MST 2005


Anything special you had to compile with to get a better balanced system?

-Matthew

Gary Lawrence wrote:
> I use a Dual Xeon hyper threaded, top shows it as 4 cpus and the load
> seems to be pretty well balanced.
> 
> Sincerely;
> 
> Gary Lawrence
> ITcom.Net
> 866.4ITcom1
> 866.448.2661
> 
> -----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 12:40 PM
> 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
> distributed 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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