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Re: [PATCHES] Automatic free space map filling

From: Simon Riggs <simon(at)2ndquadrant(dot)com>
To: ITAGAKI Takahiro <itagaki(dot)takahiro(at)lab(dot)ntt(dot)co(dot)jp>
Cc: pgsql-patches(at)postgresql(dot)org, pgsql-hackers(at)postgresql(dot)org
Subject: Re: [PATCHES] Automatic free space map filling
Date: 2006-03-14 08:55:40
Message-ID: 1142326540.11178.38.camel@localhost.localdomain (view raw or flat)
Thread:
Lists: pgsql-hackerspgsql-patches
On Mon, 2006-03-13 at 17:38 +0900, ITAGAKI Takahiro wrote:
> Simon Riggs <simon(at)2ndquadrant(dot)com> wrote:
> 
> > > "Zeugswetter Andreas DCP SD" <ZeugswetterA(at)spardat(dot)at> wrote:
> > > > Ok, we cannot reuse a dead tuple. Maybe we can reuse the space of a dead
> > > > tuple by reducing the tuple to it's header info.
> > > 
> > > Attached patch realizes the concept of his idea. The dead tuples will be
> > > reduced to their headers are done by bgwriter.
> > 
> > I'm interested in this patch but you need to say more about it. I get
> > the general idea but it would be useful if you could give a full
> > description of what this patch is trying to do and why.
> 
> OK, I try to explain the patch. Excuse me for a long writing.

OK. I'll take a look at this, thanks.

Best Regards, Simon Riggs


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