[Kamailio-Users] TCP supervisor process in Kamailio

[Daniel-Constantin Mierla]

On 07/08/2009 09:17 AM, Pascal Maugeri wrote:
> Thanks for the suggestion Jiri. So far I have been monitoring sr and I 
> know that the TCP async implementation might resolve some problems 
> we're facing with kamailio.
>
> But I'm a bit conservative and I want to do several verifications of 
> sr before doing the "switch". So for now we stick to kamailio.
>
> Does this TCP supervisor process priority sounds familiar to you for 
> tuning kamailio ?
this is good in any case, if you have high tcp load, as the dispatching 
of the connections is done with priority. Then are a bunch of worker 
processes dealing with tcp traffic.

Cheers,
Daniel

>
> Regards,
> Pascal
>
> On Wed, Jul 8, 2009 at 12:25 AM, Jiri Kuthan <jiri at iptel.org 
> <mailto:jiri at iptel.org>> wrote:
>
>     if you are concerned about TCP performance (Which may be a justified
>     concern -- from any possible viewpoint TCP is not easy for SIP),
>     I suggest you consider the sip-router core. There has been (and I
>     think
>     still will be) tremendous effort put in it.
>
>     -jiri
>
>     Pascal Maugeri wrote:
>
>         Hi
>
>         I recently read the following in order to optimize OpenSER in
>         handling
>         TCP connections:
>
>         "First, the TCP supervisor process must be given an elevated
>         priority
>         level in order to prevent anomalous behavior due to the Linux
>         scheduler."
>
>         First of all, as this is quite old paper (it refers to OpenSER
>         1.2),
>         I'm wondering if such a tuning is still needed for Kamailio
>         1.5 branch
>         ? If yes, how can I do this ?
>
>         Regards,
>         Pascal
>
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-- 
Daniel-Constantin Mierla
http://www.asipto.com/