Re: reindex/vacuum locking/performance? - Mailing list pgsql-performance

On Sun, Oct 05, 2003 at 12:14:24PM +0100, Matt Clark wrote:
> more info on how it clobbers shared_buffers?

Vacuum is like a seqscan.  It touches everything on a table.  So it
doesn't clobber them, but that's the latest data.  It's unlikely your
buffers are big enough to hold your database, unless your database is
small.  So you'll end up expiring potentially useful data in the
buffer.

A

--
----
Andrew Sullivan                         204-4141 Yonge Street
Afilias Canada                        Toronto, Ontario Canada
<andrew@libertyrms.info>                              M2P 2A8
                                         +1 416 646 3304 x110