[Kamailio-Users] TCP supervisor process in Kamailio

[Pascal Maugeri]

On Wed, Jul 8, 2009 at 11:30 AM, Daniel-Constantin Mierla <miconda at gmail.com
> wrote:

>
>
> 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.
>

Could you point me to the right documentation in order to achieve this ?

Thanks in advance
-pascal




>
> 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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>>
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>>
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>
> --
> Daniel-Constantin Mierla
> http://www.asipto.com/
>
>
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