[Asterisk-Users] zttest

[Damian Funnell]

Hi Waldo, it really depends on who you ask - Digium say that anything 
less than 99.99% is going to result in problems, but ours regularly runs 
at around 99.98% and we don't have any problems.

One of our boxes was running at around 99.96% and we had major issues 
with the voice quality packing up from time to time.  We disabled hyper 
threading and put the TDM400P on its own IRQ and the results came back 
up over 99.98% (haven't had any problems since).

Do you have issues with your * box?  If so then I would start worrying 
about zttest output (and thinking about disabling hyper threading on 
those dual Xeons), otherwise have a smile and a beer and pity us poor 
fools who have had problems due to poor results.

Cheers,
Damian.

FFF Managed Technology Ltd
60 Cook St
P.O. 6368 Wellesley St
Auckland
t +64 9 356 2911
f +64 9 358 9070
m +64 21 415 297
w www.fff.co.nz



Waldo Rubinstein wrote:

> I was browsing the applications developed in zaptel and came across  
> zttest.
>
> After I run it, I get the following:
>
> Opened pseudo zap interface, measuring accuracy...
> 99.975586% 99.987793% 99.987793% 99.987793% 99.987793% 100.000000%  
> 99.987793%
> 99.987793% 99.987793% 99.987793% 99.987793% 99.987793% 99.987793%  
> 99.987793% 99.975586%
> 99.987793% 99.987793% 99.987793% 99.987793% 99.987793% 99.987793%  
> 99.987793% 99.987793%
> 99.987793% 99.987793% 99.987793% 99.987793% 99.987793% 99.987793%  
> 99.987793% 99.987793%
> 99.987793% 99.987793% 99.987793% 99.987793% 99.987793% 99.987793%  
> 99.987793% 99.987793%
> 99.987793% 99.987793% 99.987793% 99.987793% 99.987793% 99.987793%  
> 99.987793% 99.987793%
> 100.000000% 99.987793% 99.987793% 99.987793% 99.987793% 99.987793%  
> 99.987793% 99.987793%
> 99.987793% 99.987793%
> --- Results after 57 passes ---
> Best: 100.000000 -- Worst: 99.975586 -- Average: 99.987793
>
> What does this mean? Should I have expected to get 100% across the  
> board?
>
> This is from a TE410P running on Debian 2.6.11-1-686-smp on a dual  
> Xeon 2.4GHz server.
>
> Thanks,
> Waldo
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