That's what I suspected. Thanks Bruno.
-----Original Message-----
From: Bruno Wolff III [mailto:bruno@wolff.to]
Sent: Monday, December 15, 2003 1:38 PM
To: Matt Gordon
Cc: pgsql-general@postgresql.org
Subject: Re: [GENERAL] VACUUM ANALYZE -vs- ANALYZE on an insert-only
table.
On Thu, Dec 11, 2003 at 15:26:56 -0800,
Matt Gordon <m.gordon@f5.com> wrote:
> If I have a table that I only use for INSERTs and queries (no UPDATEs or DELETEs), is it enough to just run ANALYZE
onthe table instead of VACUUM ANALYZE? In other words, is running a VACUUM on a table useful if all that you're doing
isINSERTing into it? My understanding of VACUUM is that it cleans up stale tuples that are left after UPDATEs and
DELETEs.
>
You only need to vacuum if you do updates, deletes or when you need to
handle wrap around of transaction IDs (about every 10^9 transactions).