Re: Autovacuum on by default? - Mailing list pgsql-hackers

From Alvaro Herrera
Subject Re: Autovacuum on by default?
Date
Msg-id 20060824174850.GC20829@alvh.no-ip.org
Whole thread Raw
In response to Re: Autovacuum on by default?  (Tom Lane <tgl@sss.pgh.pa.us>)
Responses Re: Autovacuum on by default?
List pgsql-hackers
Tom Lane wrote:
> "Jim C. Nasby" <jnasby@pervasive.com> writes:
> > On Thu, Aug 24, 2006 at 09:58:10AM -0400, Tom Lane wrote:
> >> Alvaro Herrera <alvherre@commandprompt.com> writes:
> >>> I think there is a reasonable case for saying that a manual vacuum could
> >>> hint pgstat to create the entry instead.
> >> 
> >> The problem with that is that a simple "VACUUM;" would force pgstat to
> >> populate its entire hashtable.
> 
> > Maybe a good compromise would be only populating info for tables that
> > had dead tuples... that would eliminate any static tables, and most DBAs
> > should know that those tables are static.
> 
> Hm, that definitely seems like an idea.  Does the current pgstat message
> from vacuum tell how many rows it deleted?

Hum, no.

-- 
Alvaro Herrera                                http://www.CommandPrompt.com/
The PostgreSQL Company - Command Prompt, Inc.


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