Re: Autovacuum on by default?

Matthew T. O'Connor wrote:
> Bruce Momjian wrote:
> >Matthew T. O'Connor wrote:
> >  
> >>Any chance we can make this change before release?  I think it's very 
> >>important to be able to look through the logs and *know* that you tables 
> >>are getting vacuumed or not.
> >>    
> >
> >Agreed.  I just IM'ed Alvaro and he says pg_stat_activity should now
> >show exactly what autovacuum is doing (and if it doesn't, let's fix it).
> >I think that is the best solution to the monitoring problem, rather than
> >throwing lines in the server logs.
> 
> I'm not sure I agree with this.  I can use the pg_stat_activity table to 
> see if autovacuum is doing something right now, but what I want to be 
> able to do is look through my logs and see that table_foo hasn't been 
> vacuumed since last week, or that table_bar has been vacuumed 7 times 
> today.  Can I do that just with the stat system alone?

Actually Larry just reminded us that you can use pg_stat_all_tables to
see that information.  However I'm testing it and it doesn't seem to
work for all tables ... strange.  I'll have a look.

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