On Tue, Dec 22, 2009 at 6:30 AM, Heikki Linnakangas
<heikki.linnakan...@enterprisedb.com> wrote:
> I think we can just use load_external_function() to load the library and
> call WalReceiverMain from AuxiliaryProcessMain(). Ie. hard-code the
> library name. Walreceiver is quite tightly coupled with the rest of the
> backend anyway, so I don't think we need to come up with a pluggable API
> at the moment.

Please? I am really interested in replacing walsender and walreceiver
with something which uses a communication bus like spread instead of a
single point to point connection.

ISTM if we start with something tightly coupled it'll be hard to
decouple later. Whereas if we start with a limited interface we'll
learn just how much information is really required by the modules and
will have fewer surprises later when we find suprising
interdependencies.


-- 
greg

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