Re: Why pgAdmin III guru suggests VACUUM in 8.1 - Mailing list pgsql-general

From Andrus
Subject Re: Why pgAdmin III guru suggests VACUUM in 8.1
Date
Msg-id dlvpuh$7fi$1@news.hub.org
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In response to Why pgAdmin III guru suggests VACUUM in 8.1  ("Andrus Moor" <eetasoft@online.ee>)
Responses Re: Why pgAdmin III guru suggests VACUUM in 8.1  ("Jim C. Nasby" <jnasby@pervasive.com>)
Re: Why pgAdmin III guru suggests VACUUM in 8.1  ("Matthew T. O'Connor" <matthew@zeut.net>)
List pgsql-general
Jim,

> Keep in mind that if analyze has never been run on a table the database
> will assume 1000 rows, which is definately off from 122 rows.

autovacuum processes this tabele regularly.
I believed that autovacuum can update the row count to be real.

> You might want to ask on the pgAdmin list. Though I'd recommend against
> calling the guru 'stupid' over there. :)

I'm creating application which upsizes existing data to new postgres 8.1
database.

Will I need to run VACUUM ANALYZE after upsizing ?

Must I enable statitics collection for this database ?

Andrus.




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