Re: Using the 8.2 autovacuum values with 8.1
Jim Nasby <jim@nasby.net>
From: "Jim C. Nasby" <jim@nasby.net>
To: Csaba Nagy <nagy@ecircle-ag.com>
Cc: Mark Stosberg <mark@summersault.com>, postgres performance list <pgsql-performance@postgresql.org>
Date: 2007-02-23T17:37:36Z
Lists: pgsql-performance
On Fri, Feb 23, 2007 at 10:13:31AM +0100, Csaba Nagy wrote: > You likely don't need the nightly full vacuum run... we also do here a > nightly vacuum beside autovacuum, but not a full one, only for tables > which are big enough that we don't want autovacuum to touch them in high > business time but they have enough change that we want a vacuum on them > frequent enough. I discover them by checking the stats, for example: Something else I like doing is a periodic vacuumdb -av and capture the output. It's a good way to keep an eye on FSM utilization. Once you've got vacuuming under control you can probably just do that once a month or so. -- Jim Nasby jim@nasby.net EnterpriseDB http://enterprisedb.com 512.569.9461 (cell)