Re: Adding epoll support to Kannel

Epoll can lead to more efficient code.
Fewer CPU cycles per SMS.
And, in my opinion, why not?
Il 14/nov/2014 22:39 "Andreas Fink" <[email protected]> ha scritto:

> the question to ask is "what kind of problem are we trying to solve"?
>
> I could imagine having a SMPP driver which has one thread reading all the
> incoming packets by sitting on a single poll call dealing with all the
> connections in parallel. This reduces the amount of threads but it also
> increases the workload per thread up to the extent that multi core CPU's
> would be not so efficiently used. It depends a lot on the environment you
> are in as well. So far I have not see any performance issues with Kannel
> and its threading model.
>
> Also epoll is not supported on my favourite operating system and seems to
> exist only under Linux.
>
> Am 14.11.2014 um 22:27 schrieb Porter, Kelvin R. <[email protected]
> >:
>
> Hi,
>
> Epoll generally adds a lot of complexity.  Generally, using epoll implies
> thread-pooling, use of semaphores, etc.  Is this consideration being driven
> by profiling indicating that the processes are somehow being thread-bound?
> Or some other consideration?
>
> Regards,
>
> Kelvin R. Porter
>
> -----Original Message-----
> From: devel [mailto:[email protected] <[email protected]>]
> On Behalf Of Donald Jackson
> Sent: Friday, November 14, 2014 3:21 PM
> To: kannel_dev_mailinglist
> Subject: Adding epoll support to Kannel
>
> Hi all,
>
> Do any of you have any comments or concerns about potentially adding epoll
> support to Kannel ?
>
> I think long term this could be used for better connection management
> rather than the 'connection per thread' approach we currently make use of
> (mostly).
>
> Cheers,
> Donald
>
>
>
>
>
> Andreas Fink
>
> CEO DataCell ehf
> CEO Backbone ehf
>
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