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Re: [HACKERS] Avahi support for Postgresql

From: tomas(at)tuxteam(dot)de
To: Mathias Hasselmann <mathias(at)openismus(dot)com>
Cc: pgsql-patches(at)postgresql(dot)org, pgsql-hackers(at)postgresql(dot)org,Murray Cumming <murrayc(at)openismus(dot)com>
Subject: Re: [HACKERS] Avahi support for Postgresql
Date: 2008-04-01 12:02:14
Message-ID: 20080401120213.GA18336@www.trapp.net (view raw or flat)
Thread:
Lists: pgsql-hackerspgsql-patches
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On Tue, Apr 01, 2008 at 09:35:56AM +0200, Mathias Hasselmann wrote:
> Am Samstag, den 29.03.2008, 12:25 +0000 schrieb tomas(at)tuxteam(dot)de:
> [...]
> > Sorry for a dumb question, but I couldn't figure that out from your
> > references [1]..[4]: does that mean that the PostgreSQL server would
> > "advertise itself" on the local net? Or what is the purpose of liking-in
> > libavahi into the postmaster?
> 
> Yes, that's the purpose.
> 
> > Surely one wouldn't want this in a data center? 
> 
> Yes, this feature definitely targets small-office use, personal use, DB
> developers [...]
> Still you can tell Avahi to explicitly announce at a certain, non-local
> domain, but this feature is not implemented by the patch. Maybe database
> developers in large network environments could make use of such
> announcements. It would be trivial to add.

Personally, I'be rather scared than delighted ;-)

> > Is there a possiblity to disable that at run time?
> 
> The feature is disabled by default. As long as you do not specify a
> zeroconf_name in your configuration file, nothing happens. This is the
> same behavior as established by the Bonjour code.

Thanks, good to know.

Isn't there a less-intrusive option to linking a lib into each and every
possible server, like a config file in which to put what is to be announced?

Regards
- -- tomás
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