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Re: Ability to listen on two unix sockets

From: Honza Horak <hhorak(at)redhat(dot)com>
To: Andres Freund <andres(at)2ndquadrant(dot)com>
Cc: pgsql-hackers(at)postgresql(dot)org, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, Florian Pflug <fgp(at)phlo(dot)org>
Subject: Re: Ability to listen on two unix sockets
Date: 2012-06-06 15:21:00
Message-ID: 4FCF755C.8050606@redhat.com (view raw or flat)
Thread:
Lists: pgsql-hackers
On 06/06/2012 04:50 PM, Andres Freund wrote:
> On Wednesday, June 06, 2012 04:38:42 PM Tom Lane wrote:
>> Florian Pflug<fgp(at)phlo(dot)org>  writes:
>
>>> If we're going to have this at all, we should go all the way and
>>> support an arbitrary number of sockets.
>>
>> Well, that's what I wanted to discuss before Honza starts coding.
>> It's not obvious that there are any use-cases for more than two.
>> It's also not clear whether there is any value in supporting run-time
>> rather than build-time configuration of the socket locations.  The
>> Fedora use-case has no need of that, but if people can point to other
>> cases where it would be sensible, we can write the patch that way.
> I had the need to make pg available from multiple chroots via unix sockets.
> The same might come up more frequently with the availability of filesystem
> namespaces...

It seems you were not alone with such need:
http://archives.postgresql.org/pgsql-novice/2006-09/msg00172.php

Honza


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