[zeromq-dev] pubsub and trie handling on recv

[Benoit Chesneau]

ok i missed that sorry :/ will try to find the related discussion. Thanks!
On Wed 8 Jul 2015 at 20:34 Pieter Hintjens <ph at imatix.com> wrote:

> Since libzmq 3.2 the filtering is done at the publisher side.
>
> On Wed, Jul 8, 2015 at 7:35 PM, Benoit Chesneau <bchesneau at gmail.com>
> wrote:
> > Hi,
> >
> > If I am not wrong all messages published to a pub socket are sent to the
> sub
> > one letting it checking if the message match the expected topic or not
> and
> > then drop it if needed.
> >
> > My question is why doing it on the subscribed socket instead on doing
> inside
> > the pub socket before sending it? I can see why it can be done to reduce
> the
> > complexity and increase the number of sent message but is it really more
> > performant than checking first if the message can be sent to this
> particular
> > subscription?
> >
> >  More generally I am curious to understand how this choice was done.
> >
> > - benoît
> >
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