[Spce-user] Rtpenginehardware sizing question

[Andreas Granig]

Hi,

Are you sure kernel mode for rtpengine is enabled and working? Check the
logs after rtpengine startup to see if it logs a warning that kernel
mode is disabled.

Andreas

On 05/24/2016 11:57 AM, John Nash wrote:
> Thank you I will check it out. I know such questions are not easy to
> answer so I am also doing some experiments with my customer's VOIP
> traffic. I am running around  600 concurrent on a stand alone server
> (CPU: Intel(R) Xeon(R) CPU E5-2430 v2 @ 2.50GHz RAM:32 GB) but when I
> checked CPU using top commands I got worried as CU usage and load
> average seem to be quite high.
> 
> top - 10:47:10 up 3 days,  8:59,  2 users,  load average: 3.44, 2.99, 3.43
> Tasks: 453 total,   1 running, 452 sleeping,   0 stopped,   0 zombie
> Cpu(s):  1.5%us,  2.7%sy,  0.0%ni, 94.7%id,  0.0%wa,  0.0%hi,  1.1%si,
>  0.0%st
> Mem:  32842468k total,   886396k used, 31956072k free,    98204k buffers
> Swap:  1048572k total,        0k used,  1048572k free,   388460k cached
> 
>   PID USER      PR  NI  VIRT  RES  SHR S %CPU %MEM    TIME+  COMMAND    
>                                                                        
>                                              
>  3238 root      20   0 2163m  36m 1196 S 146.1  0.1   3919:05 rtpengine
>                                                                        
>                                               
>     1 root      20   0 17128 1220  984 S  0.0  0.0   0:02.50 init      
>                                                                        
>                                               
>     2 root      20   0     0    0    0 S  0.0  0.0   0:00.01 kthreadd  
>                                                                        
>                                               
>     3 root      RT   0     0    0    0 S  0.0  0.0   0:00.00 migration/0
>     
> 
> On Tue, May 24, 2016 at 3:22 PM, Andreas Granig <agranig at sipwise.com
> <mailto:agranig at sipwise.com>> wrote:
> 
>     Hi,
> 
>     There's been a talk at Kamailio World last week, see here:
> 
>     https://www.youtube.com/watch?v=izwsE1XIc3Y
> 
>     That might give you some insights into server dimensioning, tuning and
>     scaling.
> 
>     Andreas
> 
>     On 05/23/2016 11:58 AM, John Nash wrote:
>     > I need to test rtpengine with kernel module (10000 concurrent sessions
>     > (IPv4 only) or more if possible. I need to arrange hardware for it but
>     > not sure on what kind of CPU i should use, how much RAM it should have
>     > and most critical what kind of LAN card should  I have ?...one 1 Gbps
>     > LAN card or multiple?....If multiple then would I need to configure
>     > somthing at Linux level so that CPU can utilize all lan card
>     efficiently?
>     >
>     > I know I am asking vague questions but opinions as per others
>     > experiences will be very beneficial for me.
>     >
>     >
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