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Re: [HACKERS] Automatic free space map filling

From: ITAGAKI Takahiro <itagaki(dot)takahiro(at)lab(dot)ntt(dot)co(dot)jp>
To: pgsql-patches(at)postgresql(dot)org
Subject: Re: [HACKERS] Automatic free space map filling
Date: 2006-03-09 06:53:28
Message-ID: 20060309152716.4C48.ITAGAKI.TAKAHIRO@lab.ntt.co.jp (view raw or flat)
Thread:
Lists: pgsql-hackerspgsql-patches
"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.

---
ITAGAKI Takahiro
NTT Cyber Space Laboratories


Attachment: bgvacuum-0309.patch.txt
Description: application/octet-stream (32.5 KB)

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