[SR-Users] UAC reg_random_delay issue

Daniel-Constantin Mierla miconda at gmail.com
Wed Aug 16 08:22:11 CEST 2017


Hello,

I asked about reg_timer_interval parameter.

Cheers,
Daniel


On 16.08.17 01:32, Ivo Vastert wrote:
> Hi,
>
> We are currently using 60:
>
> modparam("uac", "reg_random_delay", 60)
>
> On Tuesday, August 15, 2017, Daniel-Constantin Mierla
> <miconda at gmail.com <mailto:miconda at gmail.com>> wrote:
>
>     Hello,
>
>     what is the value for reg_timer_interval parameter?
>
>     Cheers,
>     Daniel
>
>
>     On 15.08.17 12:54, Ivo Vastert wrote:
>>     Hi,
>>
>>     I'm using the UAC module in Kamailio to setup about 500 outbound
>>     registration towards a single host.
>>     The issue I'm currently experiencing is that when we start
>>     Kamailio all this 500 registrations are initiated at once towards
>>     the host which can't handle all the requests at the same time.
>>
>>     Therefor I tried to spread the registrations using the
>>     reg_random_delay function:
>>     modparam("uac", "reg_random_delay", 60)
>>
>>     I would expect that this would spread the registrations over
>>     about a minute but in reality the registrations are spread as follow:
>>
>>     Starttime / Registrations
>>     21:59:14151
>>     21:59:15166
>>     21:59:16127
>>     21:59:1860
>>     21:59:2235
>>
>>     So Kamailio is started at 21:59:14 and initiates 151 registrations,
>>     1 second after start another 166
>>     2 seconds after start another 127
>>     4 seconds after start another 60
>>     8 seconds after start the last 35
>>
>>     In reality it looks like some increment is applied instead of
>>     calculating a random starting offset for each outbound registration?
>>     Is there any solutions to this issue available?
>>
>>     Best regards,
>>
>>     Ivo Vastert
>>
>>
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>
>     -- 
>     Daniel-Constantin Mierla
>     www.twitter.com/miconda <http://www.twitter.com/miconda> -- www.linkedin.com/in/miconda <http://www.linkedin.com/in/miconda>
>     Kamailio Advanced Training - www.asipto.com <http://www.asipto.com>
>     Kamailio World Conference - www.kamailioworld.com <http://www.kamailioworld.com>
>

-- 
Daniel-Constantin Mierla
www.twitter.com/miconda -- www.linkedin.com/in/miconda
Kamailio Advanced Training - www.asipto.com
Kamailio World Conference - www.kamailioworld.com

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