| From: | nconway(at)klamath(dot)dyndns(dot)org (Neil Conway) |
|---|---|
| To: | Bruce Momjian <pgman(at)candle(dot)pha(dot)pa(dot)us> |
| Cc: | Manfred Koizar <mkoi-pg(at)aon(dot)at>, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, PostgreSQL-development <pgsql-hackers(at)postgreSQL(dot)org> |
| Subject: | Re: [PATCHES] Reduce heap tuple header size |
| Date: | 2002-06-28 23:50:26 |
| Message-ID: | 20020628235026.GB7050@klamath.dyndns.org |
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| Lists: | pgsql-hackers pgsql-patches |
On Fri, Jun 28, 2002 at 07:32:00PM -0400, Bruce Momjian wrote:
> OK, we need to vote on this patch. It reduces the tuple header by 4
> bytes (11% decrease).
>
> If we apply it, we will not be able to easily use pg_upgrade for 7.3
> because the on-disk table format will change.
I vote for apply it now -- if there are no other on-disk format changes
made by late August and pg_upgrade is actually a valid, production-quality
upgrade mechanism (which I'm not prepared to assume), consider
reverting it.
Cheers,
Neil
--
Neil Conway <neilconway(at)rogers(dot)com>
PGP Key ID: DB3C29FC
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