Re: [HACKERS] Automatic free space map filling

Simon Riggs <simon@2ndquadrant.com>

From: Simon Riggs <simon@2ndquadrant.com>
To: ITAGAKI Takahiro <itagaki.takahiro@lab.ntt.co.jp>
Cc: pgsql-patches@postgresql.org
Date: 2006-03-10T15:41:28Z
Lists: pgsql-hackers
On Thu, 2006-03-09 at 15:53 +0900, ITAGAKI Takahiro wrote:
> "Zeugswetter Andreas DCP SD" <ZeugswetterA@spardat.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