Re: Ability to listen on two unix sockets

From: Peter Eisentraut <peter_e(at)gmx(dot)net>
To: Robert Haas <robertmhaas(at)gmail(dot)com>
Cc: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, Alvaro Herrera <alvherre(at)commandprompt(dot)com>, Florian Pflug <fgp(at)phlo(dot)org>, Honza Horak <hhorak(at)redhat(dot)com>, Pg Hackers <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: Ability to listen on two unix sockets
Date: 2012-06-11 21:47:09
Message-ID: 1339451229.11971.3.camel@vanquo.pezone.net
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On sön, 2012-06-10 at 17:24 -0400, Robert Haas wrote:
> >> and also affects the naming of any UNIX sockets created.
> >
> > Why would that matter? If you configure M ports and N Unix socket
> > locations, you get M*N actual sockets created.
>
> ...I *seriously* doubt that this is the behavior anyone wants.
> Creating M sockets per directory seems patently silly.

How else would it work?

If I say, syntax aside, listen on "ports" 5432 and 5433, and use socket
directories /tmp and /var/run/postgresql, then a libpq-using client
would expect to be able to connect using

-h /tmp -p 5432
-h /tmp -p 5433
-h /var/run/postgresql -p 5432
-h /var/run/postgresql -p 5433

So you do need to create M*N sockets.

I don't really see a problem with that.

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