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Re: [HACKERS] [PATCH] Provide 8-byte transaction IDs to user level

From: Darcy Buskermolen <darcyb(at)commandprompt(dot)com>
To: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
Cc: pgsql-patches(at)postgresql(dot)org, Bruce Momjian <bruce(at)momjian(dot)us>, Marko Kreen <markokr(at)gmail(dot)com>, pgsql-hackers(at)postgresql(dot)org, Jan Wieck <JanWieck(at)yahoo(dot)com>
Subject: Re: [HACKERS] [PATCH] Provide 8-byte transaction IDs to user level
Date: 2006-07-26 21:27:17
Message-ID: 200607261427.19317.darcyb@commandprompt.com (view raw or flat)
Thread:
Lists: pgsql-hackerspgsql-patches
On Wednesday 26 July 2006 14:03, Tom Lane wrote:
> Darcy Buskermolen <darcyb(at)commandprompt(dot)com> writes:
> >> The question though is if we did that, would Slony actually use it?
> >
> > If it made sence to do it, then yes we would do it. The problem ends up
> > being Slony is designed to work across a multitude of versions of PG, and
> > unless this was backported to at least 7.4, it would take a while (ie
> > when we stopped supporting versions older than it was ported into) 
> > before we would make use of it.
>
> [ shrug... ]  That's not happening; for one thing the change requires a
> layout change in pg_control and we have no mechanism to do that without
> initdb.

I'll take a bit more of a look through the patch and see if it is a real boot 
to use it on those platforms that support it, and that we have a suitable way 
around it on those that don't.   But at this point I wouldn't hold my breath 
on that

>
> 			regards, tom lane

-- 
Darcy Buskermolen
CommandPrompt, Inc.		
Sales/Support: +1.503.667.4564 || 24x7/Emergency: +1.800.492.2240
http://www.commandprompt.com


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