From: | Martín Marqués <martin(at)bugs(dot)unl(dot)edu(dot)ar> |
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To: | Bruce Momjian <pgman(at)candle(dot)pha(dot)pa(dot)us> |
Cc: | pgsql-general(at)postgresql(dot)org |
Subject: | Re: vacuum and 24/7 uptime |
Date: | 2001-07-12 19:34:35 |
Message-ID: | 01071216343500.08941@bugs |
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Lists: | pgsql-general pgsql-jdbc |
On Mié 11 Jul 2001 20:49, Bruce Momjian wrote:
> > On Mi? 11 Jul 2001 13:46, Ryan Mahoney wrote:
> > > Hi Mark, This is being worked on now. I believe the 7.2 release will
> > > have enable you to run a vacuum with no downtime.
> >
> > AFAIK, if UNDO is implemented, no vacuum will be needed to free space.
> >
> > It would be great if UNDO would clean indexes.
>
> UNDO is for rolling back aborted transactions. I have not heard it used
> to eliminate vacuum.
I most have read badly, but I'm almost sure that I heard that UNDO was gonna
solve the overload that vacuum does on big DB.
Which is, in that case, the real status of the future of UNDO?
Saludos.... :-)
--
Cualquiera administra un NT.
Ese es el problema, que cualquiera administre.
-----------------------------------------------------------------
Martin Marques | mmarques(at)unl(dot)edu(dot)ar
Programador, Administrador | Centro de Telematica
Universidad Nacional
del Litoral
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