[SR-Users] TCP stack is not doing load distribution among children for SIP

Daniel-Constantin Mierla miconda at gmail.com
Wed Mar 8 07:30:38 CET 2017



On 08/03/2017 01:36, Juha Heinanen wrote:
> Daniel-Constantin Mierla writes:
>
>> So, I expect kamailio wil reuse the connection between kamailio1 and
>> kamailio2. The tcp manager process selects the least loaded tcp worker
>> when a new connection is accepted, and the worker start consuming the
>> packets on it until there is nothing to be read on it. The reason behind
>> this approach is that a proxy is typically sending back a 100 trying or
>> some other provisional response while handling the request. If the
>> connection is very busy, so there are always packets to read, then
>> practically the selected tcp workers keeps processing the traffic and
>> never release the tcp connection back to the tcp manager.
> So, for example, if k2 is a presence server and k1 is forwarding
> subscribes/publish requests to it, only one process at k2 would be
> processing them since the tcp connection between k1 and k2 is reused?
>
Those were the observations described by the one opening this thread and
then I responded with why I think it happens so, but as I wrote, I
haven't really checked the source code yet.

Cheers,
Daniel

-- 
Daniel-Constantin Mierla
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