Re: Where to find information on the new HOT tables?

From: Bruce Momjian <bruce(at)momjian(dot)us>
To: Chris Hoover <revoohc(at)gmail(dot)com>
Cc: Alvaro Herrera <alvherre(at)commandprompt(dot)com>, Dimitri Fontaine <dfontaine(at)hi-media(dot)com>, pgsql-admin(at)postgresql(dot)org
Subject: Re: Where to find information on the new HOT tables?
Date: 2008-02-08 16:01:42
Message-ID: 200802081601.m18G1gn01904@momjian.us
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Chris Hoover wrote:
> On Feb 7, 2008 6:48 PM, Alvaro Herrera <alvherre(at)commandprompt(dot)com> wrote:
>
> > Bruce Momjian escribi?:
> > > Dimitri Fontaine wrote:
> >
> > > > What about Alvaro's concern about manual vacuuming policies editing
> > wrt to
> > > > HOT?
> > >
> > > I think most people will be using autovacuum, and those who aren't will
> > > have to realize that HOT makes vacuuming less needed.
> >
> > Hmm, and how will they realize it, if they don't understand how HOT
> > comes into the equation?
> >
>
> How about just adding a "for more information look here link" pointing
> to http://developer.postgresql.org/cvsweb.cgi/pgsql/src/backend/access/heap/README.HOT?rev=1.2
>
>
> That is the link Alvaro sent me in the first part of the thread. It was a
> very good read explaining how HOT works along with the caveats.

Sure, we could do that, but it is very technical. I would say 99% of
users don't need to know those details.

--
Bruce Momjian <bruce(at)momjian(dot)us> http://momjian.us
EnterpriseDB http://postgres.enterprisedb.com

+ If your life is a hard drive, Christ can be your backup. +

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