Re: [PERFORM] Vacuum and FSM page size

2008-01-27 Thread Thomas Lozza
, 2008 10:48 To: Thomas Lozza Cc: pgsql-performance@postgresql.org Subject: Re: [PERFORM] Vacuum and FSM page size On Jan 23, 2008 12:29 PM, Thomas Lozza <[EMAIL PROTECTED]> wrote: > Auto vacuum is enabled. Here are the settings: > > autovacuum = true > autova

[PERFORM] Vacuum and FSM page size

2008-01-23 Thread Thomas Lozza
hi We have an installation of Postgres 8.1.2 (32bit on Solaris 9) with a DB size of about 250GB on disk. The DB is subject to fair amount of inserts, deletes and updates per day. Running VACUUM VERBOSE tells me that I should allocate around 20M pages to FSM (max_fsm_pages)! This looks like a rea