Re: Proxy performance

[Bruce Ferrell <bferrell@baywinds.org>]

you might want to get the systat package and install that for this type 
of measurement.  It will allow you to see things like context switching 
and interrupt activity

K R wrote:
> Hi all,
>
> I am running GK 2.0.7 (static compiled) in proxy mode on a P4 2.0 Ghz, 
> 512MB RAM, 2 x 7200RPM IDE disks software RAID1 and Intel 82559 ethernet 
> card with CPU cycle saver mode turned on, stock Redhat 9.0. At about 10 
> G.723 concurrent calls, vmstat showed:
>
>   procs                                       memory      swap          
> io     system      cpu
> r  b  w   swpd   free   buff          cache   si   so    bi   bo  
> in        cs    us sy id
> 1  0  0    804   8240 126200  75672    0    0     0     2 1195  1998  1  
> 2 96
> 0  0  0    804   8240 126200  75672    0    0     0     2 1284  2155  1  
> 3 96
> 1  0  0    804   8240 126200  75672    0    0     0     2 1293  2138  2  
> 3 94
> 0  0  0    804   8240 126200  75672    0    0     0     2 1258  2174  3  
> 4 93
> 0  0  0    804   8240 126200  75672    0    0     0     6 1137  1985  4  
> 4 92
> 0  0  0    804   8240 126200  75672    0    0     0     2 1095  1817  3  
> 3 94
> 1  0  0    804   8240 126200  75672    0    0     0     2 1086  1804  2  
> 3 95
>
> Load average was 0.15.  At this condition, calls started to get choppy 
> and crackling. Voice quality is acceptable at load averages < 0.10. 
> Bandwidth is not an issue as testing was conducted locally.  Are there 
> any tuning tips to improve the performance of GNUGK in proxy mode and 
> the voice quality?
>
> TIA.
>
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