Re: [HACKERS] 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
Subject: Re: [HACKERS] Automatic free space map filling
Date: 2006-03-10 15:41:28
Message-ID: 1142005289.16417.23.camel@localhost.localdomain
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On Thu, 2006-03-09 at 15:53 +0900, ITAGAKI Takahiro 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.
>
> This patch is incomplete, so please discuss in the thread on HACKERS.

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.

Thanks,

Best Regards, Simon Riggs

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